Add animation quality

constants.h

@@ -21,6 +21,8 @@
 
 #define LCR_MAP_SIZE_BLOCKS 64
 
+#define LCR_ANIMATE_CAR (LCR_SETTING_CAR_ANIMATION_SUBDIVIDE != 0)
+
 /** Maximum number of triangles of a block shape. */
 #define LCR_MAP_BLOCK_SHAPE_MAX_BYTES 80
 

renderer.h

@@ -71,7 +71,7 @@ struct
   int triUVs[6];
   uint8_t texSubsampleCount;
 
-#if LCR_SETTING_ANIMATE_CAR
+#if LCR_ANIMATE_CAR
   S3L_Unit wheelRotation;
   S3L_Unit wheelTurn;
   S3L_Unit wheelRotationCenters[4];
@@ -735,7 +735,7 @@ uint8_t LCR_rendererInit(void)
   LCR_renderer.carModel = LCR_renderer.models + 8;
 
   S3L_model3DInit(
-#if LCR_SETTING_ANIMATE_CAR
+#if LCR_ANIMATE_CAR
     LCR_renderer.animatedCarVerts
 #else
     LCR_carVertices
@@ -744,7 +744,7 @@ uint8_t LCR_rendererInit(void)
     LCR_carTriangles,LCR_CAR_TRIANGLE_COUNT,
     LCR_renderer.carModel);
 
-#if LCR_SETTING_ANIMATE_CAR
+#if LCR_ANIMATE_CAR
   for (int i = 0; i < LCR_CAR_VERTEX_COUNT * 3; ++i)
     LCR_renderer.animatedCarVerts[i] = LCR_carVertices[i];
 
@@ -1209,9 +1209,12 @@ void LCR_drawLevelFloor(void)
 #endif
 }
 
+#if LCR_ANIMATE_CAR
 void _LCR_rendererAnimateCar(void)
 {
-  for (int i = 0; i < LCR_CAR_VERTEX_COUNT; ++i)
+  for (int i = LCR_renderer.frame % LCR_SETTING_CAR_ANIMATION_SUBDIVIDE;
+    i < LCR_CAR_VERTEX_COUNT; i += LCR_SETTING_CAR_ANIMATION_SUBDIVIDE)
+  {
     if (LCR_carVertexTypes[i] > 0)
     {
       S3L_Unit s = S3L_sin(-1 * LCR_renderer.wheelRotation),
@@ -1253,6 +1256,8 @@ void _LCR_rendererAnimateCar(void)
       }
     }
   }
+}
+#endif
 
 void LCR_rendererDraw(void)
 {
@@ -1261,14 +1266,16 @@ void LCR_rendererDraw(void)
 
   _LCR_rendererLoadMapChunks(); // TODO: call only once in a while?
 
-  LCR_rendererDrawSky(2,
+  LCR_rendererDrawSky(1,
     LCR_renderer.scene.camera.transform.rotation.y,
     -4 * LCR_renderer.scene.camera.transform.rotation.x);
  
+#if LCR_ANIMATE_CAR 
 LCR_renderer.wheelRotation += 5;
 LCR_renderer.wheelTurn = S3L_sin(LCR_renderer.frame * 4);
 
   _LCR_rendererAnimateCar();
+#endif
 
   LCR_drawLevelFloor();
   LCR_rendererDrawLOD();

settings.h

@@ -92,8 +92,12 @@
   #define LCR_SETTING_FLOOR_PARTICLE_SIZE 32
 #endif
 
-#ifndef LCR_SETTING_ANIMATE_CAR
-  #define LCR_SETTING_ANIMATE_CAR 1
+#ifndef LCR_SETTING_CAR_ANIMATION_SUBDIVIDE
+  /** How many frames will be used to complete whole animation of the car model.
+      0 turns off car animation completely (may be faster and smaller), 1 turns
+      on highest quality animation, higher values lower animation quality and
+      may increase performance. */
+  #define LCR_SETTING_CAR_ANIMATION_SUBDIVIDE 4
 #endif
 
 #endif // guard