public SBNode(batchEnum _name, SpriteSortMode _sort, BlendState _blend)
{
spriteBatch = new SpriteBatch(Game1.GameInstance.GraphicsDevice);
batchName = _name;
sort = _sort;
blend = _blend;
spriteListHead = null;
}
public void addDisplayObject(DisplayObject _sprite)
{
Debug.Assert(_sprite != null);
SpriteNode node = new SpriteNode(_sprite);
if (spriteListHead == null)
{
spriteListHead = node;
node.next = null;
node.prev = null;
}
else
{
node.next = spriteListHead;
spriteListHead.prev = node;
spriteListHead = node;
}
}
protected virtual void Initialize()
{
this.next = null;
this.prev = null;
}
protected virtual void Initialize()
{
this.next = null;
this.prev = null;
}
public void removeDisplayObject(DisplayObject _sprite)
{
SpriteNode node = findSpriteNode(_sprite);
if (node.prev != null)
{ // middle or last node
node.prev.next = node.next;
}
else
{ // first
spriteListHead = node.next;
}
if (node.next != null)
{ // middle node
node.next.prev = node.prev;
}
}
