More progress on audio and rendering

tiles/tile.h

@@ -7,10 +7,9 @@
 
 #include "../util/util.h"
 #include "../items/item.h"
-//#include "../items/item.h"
 
-#define MAP_WIDTH 100
-#define MAP_HEIGHT 100
+#define MAP_WIDTH 1000
+#define MAP_HEIGHT 1000
 
 #define DISPLAY_MAP_WIDTH 60
 #define DISPLAY_MAP_HEIGHT 31
@@ -20,6 +19,25 @@
 #define DISPLAY_WIDTH DISPLAY_MAP_WIDTH * TILE_SIZE
 #define DISPLAY_HEIGHT DISPLAY_MAP_HEIGHT * TILE_SIZE
 
+typedef struct MiniRect {
+    int x;
+    int y;
+} MiniRect;
+
+#define MAX_TILES MAP_WIDTH * MAP_HEIGHT
+
+
+typedef struct {
+    MiniRect tiles[MAX_TILES];
+    int activeCount;
+} TileArray;
+
+extern TileArray neededUpdates;
+
+void remove_tile(TileArray *arr, int index);
+
+int add_tile(TileArray *arr, MiniRect t);
+
 extern SDL_Texture *tilesTexture;
 extern SDL_Texture *itemsTexture;
 extern SDL_Texture *backgroundTexture;
@@ -77,6 +95,7 @@ typedef struct TileTypeReg {
     bool itemMoves;
     bool allowedInItems[ItemSlotCount][ITEMREGISTRY_SIZE];
     bool outputLane[ItemSlotCount];
+    bool needsTicks;
 } TileTypeReg;
 
 typedef struct BackgroundTileType {
@@ -106,8 +125,8 @@ typedef struct Tile {
     int miscVal;
     ItemOnBelt items[ItemSlotCount];
     uint16_t audioCh;
-    int x;
-    int y;
+    MiniRect rect;
+    int neededUpdateIndex;
 } Tile;