private void ResolveNeighbors(Vector2D tilesetOffset)
{
for (int x = 0; x < Width; x++)
{
for (int y = 0; y < Height; y++)
{
if (!TileMap[x, y].Initialized && TileMap[x, y].Enabled && TileMap[x, y].TileMapOffset == tilesetOffset)
{
RoomTileRaw tile = TileMap[x, y];
byte primaryNeighbors =
(byte)(
((this[x, y + 1].CanBlend(tile) ? 1 : 0) << 3) +
((this[x + 1, y].CanBlend(tile) ? 1 : 0) << 2) +
((this[x, y - 1].CanBlend(tile) ? 1 : 0) << 1) +
((this[x - 1, y].CanBlend(tile) ? 1 : 0)));
byte secondaryNeighbors =
(byte)(
((this[x - 1, y + 1].CanBlend(tile) ? 1 : 0) << 3) +
((this[x + 1, y + 1].CanBlend(tile) ? 1 : 0) << 2) +
((this[x + 1, y - 1].CanBlend(tile) ? 1 : 0) << 1) +
((this[x - 1, y - 1].CanBlend(tile) ? 1 : 0)));
tile.Neighbors = (byte)(primaryNeighbors + (secondaryNeighbors << 4));
tile.Initialized = true;
TileMap[x, y] = tile;
}
}
}
}
public override void Update()
{
foreach (RoomBuilder rb in WatchedComponents)
{
if (rb.Build && (rb.Width != rb.Map.GetLength(0) || rb.Height != rb.Map.GetLength(1)))
{
rb.Refresh = true;
}
if (rb.Refresh)
{
bool[,] old = rb.Map;
rb.Map = new bool[rb.Width, rb.Height];
for (int i = 0; i < Math.Min(old.GetLength(0), rb.Width); i++)
{
for (int j = 0; j < Math.Min(old.GetLength(1), rb.Height); j++)
{
rb.Map[i, j] = old[i, j];
}
}
rb.Refresh = false;
}
if (rb.Build)
{
Width = rb.Width;
Height = rb.Height;
TileMap = new RoomTileRaw[Width, Height];
for (int i = 0; i < Width; i++)
{
for (int j = 0; j < Height; j++)
{
TileMap[i, j] = new RoomTileRaw(rb.Map[i, j]);
}
}
Current = rb;
Random = new Random(rb.RandomSeed);
ResolveNeighbors();
if (rb.OutputSprites)
{
List <Sprite> sprites = BuildSprites();
Renderable renderable = rb.Owner.Components.Get <Renderable>();
if (renderable == null)
{
return;
}
if (rb.Overwrite)
{
renderable.Sprites = sprites;
}
else
{
renderable.Sprites.AddRange(sprites);
}
}
rb.Build = false;
}
}
}
public bool CanBlend(RoomTileRaw other)
{
return((this.Enabled && other.Enabled) && (this.OutOfBounds || other.OutOfBounds || this.TileMapOffset == other.TileMapOffset));
}
private RoomTileRaw this[int x, int y] => (x >= 0 && y >= 0 && x < Width && y < Height) ? TileMap[x, y] : RoomTileRaw.CreateOutOfBounds();
