if ( room != 0 ) {
	//set width and height to draw the art
	var tile_width = room_width div CELL_WIDTH;
	var tile_height = room_height div CELL_HEIGHT;

	//set room tileset layer
	var dungeon_floor = layer_create(-100);
	var layer_id = layer_get_id(dungeon_floor);
	var dungeon_tilemap = layer_tilemap_create(dungeon_floor, 0, 0, t_dungeon, 16, 16);
	var tileset_map_id = layer_tilemap_get_id(layer_id);

	//get the game floor grid from global mask and get the current floor from the o_game
	var game_floor = global.floor_grid_tracker[global.current_room];

	for (var yy = 1; yy < tile_height; yy++) {
		for (var xx = 2; xx < tile_width-2; xx++) {

			switch (ds_grid_get(game_floor, xx, yy)) {

				case FLOOR:
					tilemap_set(tileset_map_id, FLOOR, xx, yy);
					break;

				case WALL_FILL:
					tilemap_set(tileset_map_id, WALL_FILL, xx, yy);
					break;

				default:
					tilemap_set(tileset_map_id, VOID, xx, yy);
					break;
			}
		}
	}
}

show_debug_message("Layer ID: " + string(layer_id));