public Polygon2D GetRoomTemplateOutline()
{
var tilemaps = RoomTemplateUtilsGrid2D.GetTilemaps(gameObject);
var outlineTilemaps = RoomTemplateUtilsGrid2D.GetTilemapsForOutline(tilemaps);
var usedTiles = RoomTemplateUtilsGrid2D.GetUsedTiles(outlineTilemaps);
if (usedTiles.Count == 0)
{
return(null);
}
var minX = usedTiles.Min(x => x.x);
var maxX = usedTiles.Max(x => x.x);
var minY = usedTiles.Min(x => x.y);
var maxY = usedTiles.Max(x => x.y) + PaddingTop;
var polygonPoints = new List <Vector2Int>()
{
new Vector2Int(minX, minY),
new Vector2Int(minX, maxY),
new Vector2Int(maxX, maxY),
new Vector2Int(maxX, minY),
};
return(new Polygon2D(polygonPoints));
}
/// <summary>
/// Gets all tiles that are not null in given tilemaps.
/// </summary>
/// <param name="tilemaps"></param>
/// <returns></returns>
public static HashSet <Vector2Int> GetUsedTiles(IEnumerable <Tilemap> tilemaps)
{
return(RoomTemplateUtilsGrid2D.GetUsedTiles(tilemaps));
}