/// <summary>
/// If the direction is also a floor, add the dir to the maskDir bits.
/// </summary>
/// <param name="tiles"></param>
/// <param name="maskDir"></param>
/// <param name="dir"></param>
/// <param name="x"></param>
/// <param name="y"></param>
private static void BitmaskDirection(TileType[][] tiles, ref MaskDirections maskDir, MaskDirections dir, int x, int y)
{
if (x >= tiles.Length || x < 0)
{
return;
}
if (y >= tiles[0].Length || y < 0)
{
return;
}
if ((tiles[x][y] & TileType.Floor) == TileType.Floor)
{
maskDir |= dir;
}
}
