feat: render to texture (#236)

* add textureCamera and cameralayers component

* update

* add camera_layer

---------

Co-authored-by: robtfm <[email protected]>

proto/decentraland/sdk/components/camera_layer.proto

@@ -0,0 +1,30 @@
+syntax = "proto3";
+
+package decentraland.sdk.components;
+
+import "decentraland/sdk/components/common/id.proto";
+import "decentraland/common/colors.proto";
+
+option (common.ecs_component_id) = 1210;
+
+message PBCameraLayer {
+    // layer to which these settings apply. must be > 0
+    // Layer 0 is the default "real world" layer viewed by the player and cannot be modified.
+    uint32 layer = 1;
+
+    // should the sun light affect this layer? default false
+    optional bool directional_light = 2;
+
+    // should this layer show player avatars? default false
+    optional bool show_avatars = 3;
+
+    // should this layer show the sky? default false
+    optional bool show_skybox = 4;
+
+    // should this layer show distance fog? default false
+    optional bool show_fog = 5;
+
+    // ambient light overrides for this layer. default -> use same as main camera
+    optional decentraland.common.Color3 ambient_color_override = 6;
+    optional float ambient_brightness_override = 7;
+}

proto/decentraland/sdk/components/camera_layers.proto

@@ -0,0 +1,11 @@
+syntax = "proto3";
+
+package decentraland.sdk.components;
+
+import "decentraland/sdk/components/common/id.proto";
+
+option (common.ecs_component_id) = 1208;
+
+message PBCameraLayers {
+    repeated uint32 layers = 1;
+}

proto/decentraland/sdk/components/global_light.proto

@@ -18,5 +18,5 @@ message PBGlobalLight {
   optional decentraland.common.Color3 ambient_color = 2;
   // ambient light intensity. the explorer default ambient brightness is multiplied by this non-physical quantity.
   // default 1
-  optional float ambient_brightness = 3;
+  optional float ambient_brightness = 3; 
 }

proto/decentraland/sdk/components/texture_camera.proto

@@ -0,0 +1,41 @@
+syntax = "proto3";
+
+package decentraland.sdk.components;
+
+import "decentraland/sdk/components/common/id.proto";
+import "decentraland/common/colors.proto";
+
+option (common.ecs_component_id) = 1207;
+
+message PBTextureCamera {
+    // rendered texture width
+    optional uint32 width = 1;
+    // rendered texture height
+    optional uint32 height = 2;
+    // which layer of entities to render. entity layers can be specified by adding PBCameraLayers to target entities.
+    // defaults to 0
+    optional uint32 layer = 3;
+
+    // default black
+    optional decentraland.common.Color4 clear_color = 6;
+    // default infinity
+    optional float far_plane = 7;
+
+    oneof mode {
+        Perspective perspective = 8;
+        Orthographic orthographic = 9;
+        /* Portal portal = 10; */ 
+    };
+}
+
+message Perspective {
+    // vertical field of view in radians
+    // defaults to pi/4 = 45 degrees
+    optional float field_of_view = 1;
+}
+
+message Orthographic {
+    // vertical extent of the visible range in meters
+    // defaults to 4m
+    optional float vertical_range = 1;
+}