Day 34 complete.

handmade_tile.h

@@ -0,0 +1,40 @@
+#ifndef HANDMADE_TILE_H_SENTRY
+#define HANDMADE_TILE_H_SENTRY
+
+typedef struct tile_map_position {
+    U32 AbsTileX;
+    U32 AbsTileY;
+
+    /* NOTE: Tile-relative X and Y. */
+    F32 TileRelX;
+    F32 TileRelY;
+} tile_map_position;
+
+typedef struct tile_chunk_position {
+    U32 TileChunkX;
+    U32 TileChunkY;
+
+    U32 RelTileX;
+    U32 RelTileY;
+} tile_chunk_position;
+
+typedef struct tile_chunk {
+    U32 *Tiles;
+} tile_chunk;
+
+typedef struct tile_map {
+    U32 ChunkShift;
+    U32 ChunkMask;
+    U32 ChunkDim;
+
+    F32 TileSideInMeters;
+    S32 TileSideInPixels;
+    F32 MetersToPixels;
+
+    U32 TileChunkCountX;
+    U32 TileChunkCountY;
+
+    tile_chunk *TileChunks;
+} tile_map;
+
+#endif