private SpriteNode SplitNode(SpriteNode node, int width, int height)
{
node.used = true;
node.down = new SpriteNode(node.x, node.y + height, node.w, node.h - height);
node.right = new SpriteNode(node.x + width, node.y, node.w - width, height);
return(node);
}
private SpriteNode FindNode(SpriteNode node, int width, int height)
{
if (node.used)
{
return(FindNode(node.right, width, height) ?? FindNode(node.down, width, height));
}
if (width <= node.area.Width && height <= node.area.Height)
{
return(node);
}
return(null);
}
public SpriteMap(GraphicsDevice graphicsDevice, int mapSize = 1024)
{
this.graphicsDevice = graphicsDevice;
spriteCount = 0;
regions = new Rectangle[256];
regionIndices = new Dictionary <string, int>();
map = new Texture2D(graphicsDevice, mapSize, mapSize);
sheetData = new Color[mapSize * mapSize];
root = new SpriteNode(0, 0, mapSize, mapSize);
this.mapSize = mapSize;
}
