#include "OgreOcclusionCullingTerrainSceneTraverser.h"
//#include <windows.h>

namespace Ogre {
	//-----------------------------------------------------------------------
	void OcclusionCullingTerrainSceneTraverser::traverseNode( Camera *cam, SceneNode *node )
	{
		mNumTraversedNodes ++;
		
		if(node->numAttachedObjects() > 0)
		{
			renderSceneNode(cam, node);
		}

		// internal node: add children to priority queue for further processing
		Node::ChildNodeIterator it = node->getChildIterator();
					
		while (it.hasMoreElements())			
		{ 
			SceneNode* sceneChild = static_cast<SceneNode*>(it.getNext());
			mDistanceQueue->push(sceneChild);
		}
	}
/*	//-----------------------------------------------------------------------
	void OcclusionCullingTerrainSceneTraverser::renderSceneNode( Camera *cam, SceneNode *node )
	{
		setRenderingMode(MODE_RENDER);
		
		//HACK (too slow)
		mSceneManager->_renderSceneNode(cam, node);
		//MessageBox( NULL, "myplugin registered", "this is my plugin", MB_OK | MB_ICONERROR | MB_TASKMODAL);
	}
	//-----------------------------------------------------------------------
	bool OcclusionCullingTerrainSceneTraverser::isLeaf( SceneNode *node )
	{
		return (node->numChildren() == 0);
	}
	//-----------------------------------------------------------------------
	void OcclusionCullingTerrainSceneTraverser::pullUpVisibility( SceneNode *node )
	{
		while(node && !node->isNodeVisible())
		{
			node->setNodeVisible(true);
			node = static_cast<SceneNode *>(node->getParent());
		}
	}
	//-----------------------------------------------------------------------
	void OcclusionCullingTerrainSceneTraverser::renderBoundingBox( SceneNode *node )
	{
		// Render two halfes of the bounding box (using triangle fans)
		for(int half = 0; half < 2; half ++)
		{
			SolidHalfBoundingBox *box = getSolidHalfBoundingBox(half);
			
			box->setupBoundingBox(node->_getWorldAABB());

			static RenderOperation ro;
			mSceneManager->useRenderableViewProjMode(box);
			box->getRenderOperation(ro);
			ro.srcRenderable = box; 
			mRenderSystem->_render(ro);

			//mSceneManager->renderSingleObject(getSolidHalfBoundingBox(half), 
			//	getSolidHalfBoundingBox(half)->getTechnique()->getPass(0), false);
		}
	}*/
}