Added unsafe functions

Author: Smart6502

examples/clfps.cpp

@@ -366,9 +366,9 @@ int main()
             {
                 // Each Row
                 if (y <= nCeiling)
-                    pluto_unset_pix(x, y);
+                    pluto_unset_upix(x, y);
                 else if (y > nCeiling && y <= nFloor)
-                    pluto_set_cpix(x, y, nShade, nShade, nShade);
+                    pluto_set_ucpix(x, y, nShade, nShade, nShade);
                 else // Floor
                 {
                     // Shade floor based on distance
@@ -384,7 +384,7 @@ int main()
                     else
                         nShade = 15;
                     //screen[y*nScreenWidth + x] = nShade;
-                    pluto_set_cpix(x, y, nShade, nShade, nShade);
+                    pluto_set_ucpix(x, y, nShade, nShade, nShade);
                 }
             }
         }

examples/clfps_rgb.cpp

@@ -268,9 +268,9 @@ int main()
             for (int y = 0; y < n_screen_height; y++)
             {
                 if (y <= nCeiling)
-                    pluto_unset_pix(x, y);
+                    pluto_unset_upix(x, y);
                 else if (y > nCeiling && y <= nFloor)
-                    pluto_set_cpix(x, y, shades[shade_n][0], shades[shade_n][1], shades[shade_n][2]);
+                    pluto_set_ucpix(x, y, shades[shade_n][0], shades[shade_n][1], shades[shade_n][2]);
                 else
                 {
                     float b = 1.0f - (((float)y - n_screen_height / 2.0f) / ((float)n_screen_height / 2.0f));
@@ -285,7 +285,7 @@ int main()
                     else
                         shade_n = 15;
 
-                    pluto_set_cpix(x, y, shade_n, shade_n, shade_n);
+                    pluto_set_ucpix(x, y, shade_n, shade_n, shade_n);
                 }
             }
         }

src/drw.c

@@ -42,29 +42,53 @@ void pluto_set_pix(int x, int y)
 {
     if (PIX_OOB(x, y))
         return;
+
+    pluto_set_upix(x, y);
+}
+
+void pluto_set_upix(int x, int y)
+{
     _pluto_canvas.bitmap[(y >> 2) * _pluto_canvas.width + (x >> 1)] |= _pluto_pixmap[y % 4][x % 2];
 }
 
+void pluto_unset_pix(int x, int y)
+{
+    if (PIX_OOB(x, y))
+        return;
+
+    pluto_unset_upix(x, y);
+}
+
+void pluto_unset_upix(int x, int y)
+{
+    _pluto_canvas.bitmap[(y >> 2) * _pluto_canvas.width + (x >> 1)] &= ~_pluto_pixmap[y % 4][x % 2];
+}
+
 void pluto_set_pix_colour(int x, int y, uint8_t red, uint8_t green, uint8_t blue)
 {
     if (PIX_OOB(x, y))
         return;
+
+    pluto_set_upix_colour(x, y, red, green, blue);
+}
+
+void pluto_set_upix_colour(int x, int y, uint8_t red, uint8_t green, uint8_t blue)
+{
     _pluto_canvas.pix_colour[y * (_pluto_canvas.width << 1) + x] = (pluto_colour_t){red, green, blue};
 }
 
 void pluto_set_cpix(int x, int y, uint8_t red, uint8_t green, uint8_t blue)
 {
     if (PIX_OOB(x, y))
         return;
-    pluto_set_pix(x, y);
-    pluto_set_pix_colour(x, y, red, green, blue);
+
+    pluto_set_ucpix(x, y, red, green, blue);
 }
 
-void pluto_unset_pix(int x, int y)
+void pluto_set_ucpix(int x, int y, uint8_t red, uint8_t green, uint8_t blue)
 {
-    if (PIX_OOB(x, y))
-        return;
-    _pluto_canvas.bitmap[(y >> 2) * _pluto_canvas.width + (x >> 1)] &= ~_pluto_pixmap[y % 4][x % 2];
+    pluto_set_upix(x, y);
+    pluto_set_upix_colour(x, y, red, green, blue);
 }
 
-void pluto_sigwinch(int);
+void pluto_sigwinch(int);

src/pluto.h

@@ -85,7 +85,14 @@ extern void pluto_clear_buffers();
 extern void pluto_deinit();
 /* Free resources and restore states */
 
+/* Pixel functions where 'pix' is prefixed with 'u' are unsafe functions (without bounds checking) */
+
 extern void pluto_set_pix_colour(int x, int y, uint8_t red, uint8_t green, uint8_t blue);
+/* Set a pixel's colour to a 24-bit value
+ * Same as pluto_set_upix_colour()
+ */
+
+extern void pluto_set_upix_colour(int x, int y, uint8_t red, uint8_t green, uint8_t blue);
 /* Set a pixel's colour to a 24-bit value
  * The colours of the pixels in a block are averaged
  * 	- int x: x position from origin
@@ -96,18 +103,33 @@ extern void pluto_set_pix_colour(int x, int y, uint8_t red, uint8_t green, uint8
  */
 
 extern void pluto_set_cpix(int x, int y, uint8_t red, uint8_t green, uint8_t blue);
+/* Set a pixel, and it's colour to a 24-bit value
+ * Same as pluto_set_ucpix()
+ */
+
+extern void pluto_set_ucpix(int x, int y, uint8_t red, uint8_t green, uint8_t blue);
 /* Set a pixel, and it's colour to a 24-bit value
  * A wrapper for pluto_set_pix and pluto_set_pix_colour
  * Parameters are same as those for pluto_set_pix_colour
  */
 
 extern void pluto_set_pix(int x, int y);
+/* Set a pixel in the bitmap buffer:
+ * Same as pluto_set_upix()
+ */
+
+extern void pluto_set_upix(int x, int y);
 /* Set a pixel in the bitmap buffer:
  * 	- int x: x position from origin
  * 	- int y: y position from origin
  */
 
 extern void pluto_unset_pix(int x, int y);
+/* Unset a pixel in the bitmap buffer:
+ * Same as pluto_unset_upix()
+ */
+
+extern void pluto_unset_upix(int x, int y);
 /* Unset a pixel in the bitmap buffer:
  * 	- int x: x position from origin
  * 	- int y: y position from origin