Count CPs

assets.h

@@ -62,6 +62,9 @@ LCR_MAP_BLOCK(LCR_BLOCK_RAMP_CURVED_PLAT,3,5,6,LCR_BLOCK_MATERIAL_CONCRETE,LCR_B
 
 LCR_MAP_BLOCK(LCR_BLOCK_CHECKPOINT_0,3,1,4,LCR_BLOCK_MATERIAL_CONCRETE,0),
 
+LCR_MAP_BLOCK(LCR_BLOCK_CHECKPOINT_0,3,1,8,LCR_BLOCK_MATERIAL_CONCRETE,0),
+LCR_MAP_BLOCK(LCR_BLOCK_FINISH,2,1,10,LCR_BLOCK_MATERIAL_CONCRETE,0),
+
 /*
 LCR_MAP_BLOCK(LCR_BLOCK_FULL,2,1,9,LCR_BLOCK_MATERIAL_CONCRETE,0),
 LCR_MAP_BLOCK(LCR_BLOCK_CUBOID_FILL,2,5,1,0,0),

game.h

@@ -123,6 +123,7 @@ struct
   uint32_t nextRacingTickTime;
   uint8_t controlMode;
   uint8_t debugDraw;
+  uint8_t checkpointsTaken;
 } LCR_game;
 
 void LCR_drawPixelXYUnsafe(unsigned int x, unsigned int y,
@@ -162,6 +163,14 @@ static inline void LCR_drawPixelXYSafe(unsigned int x, unsigned int y,
     LCR_drawPixelXYUnsafe(x,y,color);
 }
 
+void LCR_gameResetRun(void)
+{
+  LCR_LOG0("resetting run");
+  LCR_game.checkpointsTaken = 0;
+  LCR_mapReset();
+  LCR_rendererUnmarkCPs();
+}
+
 void LCR_gameInit(void)
 {
   LCR_LOG0("initializing");
@@ -178,6 +187,8 @@ void LCR_gameInit(void)
 
   LCR_game.controlMode = LCR_CONTROL_MODE_FREECAM;
   LCR_game.debugDraw = 0;
+
+  LCR_gameResetRun();
 }
 
 void LCR_gameEnd(void)
@@ -234,15 +245,30 @@ if ((LCR_racing.tick % 32) == 0)
     carTransform[2] = (carTransform[2] + (LCR_GAME_UNIT * LCR_MAP_SIZE_BLOCKS)
       / 2) / LCR_GAME_UNIT;
 
-    int blockIndex = LCR_mapGetBlockAt(carTransform[0],carTransform[1],carTransform[2]);
+    int blockIndex =
+      LCR_mapGetBlockAt(carTransform[0],carTransform[1],carTransform[2]);
 
-    if (blockIndex >= 0 && LCR_currentMap.blocks[blockIndex * LCR_BLOCK_SIZE] ==
-      LCR_BLOCK_CHECKPOINT_0)
+    if (blockIndex >= 0)
     {
-      LCR_currentMap.blocks[blockIndex * LCR_BLOCK_SIZE] =
-        LCR_BLOCK_CHECKPOINT_1;
-      LCR_rendererMarkTakenCP(
-        carTransform[0],carTransform[1],carTransform[2]);
+      if (LCR_currentMap.blocks[blockIndex * LCR_BLOCK_SIZE] ==
+        LCR_BLOCK_CHECKPOINT_0)
+      {
+        LCR_LOG1("CP taken");
+
+        LCR_currentMap.blocks[blockIndex * LCR_BLOCK_SIZE] =
+          LCR_BLOCK_CHECKPOINT_1;
+        LCR_rendererMarkTakenCP(
+          carTransform[0],carTransform[1],carTransform[2]);
+        LCR_game.checkpointsTaken++;
+      }
+      else if (LCR_game.checkpointsTaken == LCR_currentMap.checkpointCount &&
+        LCR_currentMap.blocks[blockIndex * LCR_BLOCK_SIZE] == LCR_BLOCK_FINISH)
+      {
+        LCR_LOG1("finished");
+
+// TODO
+
+      }
     }
 
     LCR_game.nextRacingTickTime += LCR_RACING_TICK_MS; 

map.h

@@ -130,7 +130,7 @@ struct
   uint8_t startPos[4]; ///< Initial position and rotation.
 
   uint8_t environment;
-
+  uint8_t checkpointCount;
   // TODO: name, desc? possibly as a single '\n' separated string?
 } LCR_currentMap;
 
@@ -309,6 +309,18 @@ uint8_t _LCR_mapAddBlock(const uint8_t block[LCR_BLOCK_SIZE])
   return 1;
 }
 
+/**
+  Resets the map to start a run (including e.g. unmarking checkpoints etc.).
+*/
+void LCR_mapReset(void)
+{
+  LCR_LOG0("resetting map");
+
+  for (int i = 0; i < LCR_currentMap.blockCount; ++i)
+    if (LCR_currentMap.blocks[i * LCR_BLOCK_SIZE] == LCR_BLOCK_CHECKPOINT_1)
+      LCR_currentMap.blocks[i * LCR_BLOCK_SIZE] = LCR_BLOCK_CHECKPOINT_0;
+}
+
 /**
   Loads and preprocesses given map. Returns 1 on success, otherwise 0.
 */
@@ -319,6 +331,7 @@ uint8_t LCR_mapLoad(const uint8_t *map)
   for (int i = 0; i < 4; ++i)
     LCR_currentMap.startPos[i] = 0;
 
+  LCR_currentMap.checkpointCount = 0;
   LCR_currentMap.blockCount = 0;
 
   if (map[0] != LCR_MAP_MAGIC_NUMBER1 || map[1] != LCR_MAP_MAGIC_NUMBER2)
@@ -392,6 +405,9 @@ uint8_t LCR_mapLoad(const uint8_t *map)
         LCR_currentMap.startPos[3] = LCR_mapBlockGetTransform(map) & 0x60;
         break;
 
+      case LCR_BLOCK_CHECKPOINT_0:
+        LCR_currentMap.checkpointCount++;
+        // fall through
       default:
         if (!_LCR_mapAddBlock(map)) // normal block
           return 0;
@@ -409,6 +425,8 @@ uint8_t LCR_mapLoad(const uint8_t *map)
 
   LCR_LOG2("map loaded")
 
+  LCR_mapReset();
+
   return 1;
 }
 

renderer.h

@@ -804,6 +804,20 @@ void _LCR_rendererComputeLOD(void)
   }
 }
 
+/**
+  Unmarks all checkpoints that were marked with LCR_rendererMarkTakenCP.
+*/
+void LCR_rendererUnmarkCPs(void)
+{
+  for (int i = 0; i < LCR_renderer.mapModel.triangleCount; ++i)
+    if ((LCR_renderer.mapTriangleData[i] & 0x0f) == LCR_RENDERER_MAT_CP1)
+      LCR_renderer.mapTriangleData[i] = (LCR_renderer.mapTriangleData[i] & 0xf0)
+        | LCR_RENDERER_MAT_CP0;
+}
+
+/**
+  Marks checkpoint as taken, i.e. changes how a checkpoint will be drawn.
+*/
 void LCR_rendererMarkTakenCP(int x, int y, int z)
 {
   for (int i = 0; i < LCR_renderer.mapModel.triangleCount; ++i)