public TileSet(Texture2D texture, Texture2D maskTexture, int graphicsTileSize)
{
this.sw = texture.Width / graphicsTileSize;
this.sh = texture.Height / graphicsTileSize;
tiles = new Tile[sw * sh];
this.gTileSize = graphicsTileSize;
this.texture = texture;
for (int y = 0; y < sh; y++)
{
for (int x = 0; x < sw; x++)
{
tiles[x + y * sw] = new Tile(new TextureSource(texture, new Rectangle(x * gTileSize, y * gTileSize, gTileSize, gTileSize)),
TileMask.FromTexture(maskTexture, x * TileSize, y * TileSize));
}
}
}
public static TileMask FromTexture(Texture2D texture, int sx, int sy)
{
TileMask mask = new TileMask();
Color[] colors = new Color[texture.Width * texture.Height];
texture.GetData <Color>(colors);
for (int y = sy; y < sy + mask.height; y++)
{
for (int x = sx; x < sx + mask.width; x++)
{
if (colors[x + y * texture.Width] == Color.Black)
{
mask.mask[(x - sx) + (y - sy) * mask.width] = 1;
}
}
}
return(mask);
}
public Tile(TextureSource source, TileMask mask)
{
this.source = source;
this.mask = mask;
}