/*
-----------------------------------------------------------------------------
This source file is part of the GameTools Project
http://www.gametools.org

Author: Martin Szydlowski
-----------------------------------------------------------------------------
*/

#ifndef _KdTreeSceneManager_H__
#define _KdTreeSceneManager_H__

#include <OgreSceneManager.h>
#include "OgreKdTree.h"

namespace Ogre
{
	class KdTreeSceneNode;
	class WireBoundingBox;
	typedef std::list < WireBoundingBox * > WBBList;

	class KdTreeSceneManager : public SceneManager
	{
	public:
		KdTreeSceneManager(const String& name);
		//KdTreeSceneManager(const String& name, int maxdepth);
		~KdTreeSceneManager(void);

		virtual const String& getTypeName(void) const;
		virtual SceneNode* createSceneNode(void);
		virtual SceneNode* createSceneNode(const String& name);
		void init( int maxdepth );
		void walkTree(KdTree * node, Camera *cam);

		virtual void _findVisibleObjects(Camera *cam, bool onlyShadowCasters);

		virtual void setShowBoxes(bool showboxes);
		virtual bool getShowBoxes(void) const;

		virtual void _updateNode(KdTreeSceneNode *node); // TODO: 

		virtual bool setOption(const String& strKey, const void* pValue);
		virtual bool getOption(const String& strKey, void* pDestValue);

		virtual void clearScene()
		{
			// DEBUG must happen before scene is cleared
			// might be a solution to detach problem
			//if (mKdTree)
			//	mKdTree->dump();
			
			OGRE_DELETE(mKdTree);

			SceneManager::clearScene();
		}
	protected:

		int mMaxDepth;

		KdTree *mKdTree;

		bool mShowBoxes;

		KdTree::BuildMethod mBuildMethod;
#ifdef KDTREE_DEBUG
		int mHighlighLevel;
		bool mShowAllBoxes;
#endif
	};



	/// Factory for KdTreeSceneManager
	class KdTreeSceneManagerFactory : public SceneManagerFactory
	{
	protected:
		void initMetaData(void) const;
	public:
		KdTreeSceneManagerFactory(void) {};
		~KdTreeSceneManagerFactory(void) {};
		/// Factory type name
		static const String FACTORY_TYPE_NAME;
		SceneManager* createInstance(const String& instanceName);
		void destroyInstance(SceneManager* instance);
	};

} // namespace Ogre

#endif // _KdTreeSceneManager_H__