/// <summary>
/// Gets all tiles that are not null in given tilemaps.
/// </summary>
/// <param name="tilemaps"></param>
/// <returns></returns>
public static HashSet <Vector3Int> GetUsedTiles(IEnumerable <Tilemap> tilemaps)
{
return(RoomTemplateLoaderGrid2D.GetUsedTiles(tilemaps));
}
