Day 29 complete.

handmade.h

@@ -1,5 +1,5 @@
 #ifndef HANDMADE_H_SENTRY
-#define HANDMADE_H_SENTRY 
+#define HANDMADE_H_SENTRY
 
 #include "core.h"
 
@@ -106,8 +106,8 @@ typedef struct game_memory {
 
     U64 PermanentStorageSize;
     void *PermanentStorage; /*  WARNING: This memory is REQUIRED to be zero
-                                          initialized!!! (Done by the OS
-                                          layer.) */
+                                         initialized!!! (Done by the OS
+                                         layer.) */
 
     U64 TransientStorageSize;
     void *TransientStorage; /*  WARNING: This memory is REQUIRED to be zero
@@ -136,6 +136,25 @@ void UpdateAndRender(thread_context *Thread, game_memory *Memory,
  *
  */
 
+typedef struct tile_map {
+    S32 CountX;
+    S32 CountY;
+
+    F32 UpperLeftX;
+    F32 UpperLeftY;
+    F32 TileWidth;
+    F32 TileHeight;
+
+    U32 *Tiles;
+} tile_map;
+
+typedef struct world {
+    S32 TileMapCountX;
+    S32 TileMapCountY;
+
+    tile_map *TileMaps;
+} world;
+
 typedef struct game_state {
     F32 PlayerX;
     F32 PlayerY;