Added main menu.

src/dawn/rpg/world/map.c

@@ -104,18 +104,8 @@ tile_t mapTileGetByPosition(
   const uint16_t y,
   const uint8_t layer
 ) {
-  assertTrue(
-    x < map->width,
-    "X position must be less than map width."
-  );
-  assertTrue(
-    y < map->height,
-    "Y position must be less than map height."
-  );
-  assertTrue(
-    layer < map->layers,
-    "Layer must be less than map layers."
-  );
+  if(x >= map->width || y >= map->height) return TILE_NULL;
+  if(layer >= map->layers) return TILE_NULL;
 
   return map->tiles[
     (layer * map->width * map->height) +