public void Render()
{
IGraphicsService graphicsService = GameService.GetService <IGraphicsService>();
Node currentNode = StartNode;
while (currentNode != null)
{
if (!graphicsService.IsDrawing)
{
graphicsService.SetActiveEffect(currentNode.ActiveEffect);
graphicsService.SetDepthState(currentNode.DepthState);
graphicsService.StartDrawing();
}
Node nextNode = currentNode.PopAndRender();
if (
nextNode != null &&
(
nextNode.ActiveEffect != currentNode.ActiveEffect ||
nextNode.DepthState != currentNode.DepthState ||
nextNode.Target != currentNode.Target
)
)
{
graphicsService.EndDrawing();
}
currentNode = nextNode;
}
graphicsService.EndDrawing();
}