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

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

#ifndef _OgreBvHierarchyCamera_H_
#define _OgreBvHierarchyCamera_H_

#include <OgreCamera.h>

#define BVHCAMPTR_CAST(cam) (static_cast<BvHierarchyCamera *>(cam))

namespace Ogre
{

class BvHierarchyCamera : public Camera
{
public:
	enum NodeVisibility
	{
		BVHNV_NONE,
		BVHNV_PART,
		BVHNV_FULL
	};

	// default constructor
	BvHierarchyCamera(const String& name, SceneManager *sm);
	// default destructor
	~BvHierarchyCamera();

	// regular visibility, like isVisible
	NodeVisibility getVisibilitySimple(const AxisAlignedBox& box ) const;
	// enhanced visibility
	NodeVisibility getVisibilityEnhanced(const AxisAlignedBox& box) const;

	// statistical info
	mutable unsigned int mNumVisQueries;
};

} // namespace Ogre

#endif // _OgreBvHierarchyCamera_H_