#ifndef __KDINTERSECTABLE_H
#define __KDINTERSECTABLE_H

#include "AxisAlignedBox3.h"
#include "Intersectable.h"


namespace GtpVisibilityPreprocessor {

struct VssRayContainer;
class KdNode;

/**
	Wrapper for Kd nodes for use in a PVS.
*/
class KdIntersectable: public Intersectable
{
public:
	KdIntersectable(KdNode *node);

	/** Returns 'mesh' associated with this instance. 
	*/
	KdNode *GetNode() const;

	/** See get.
	*/
	void SetNode(KdNode *node);


	//-- inherited functions from Intersectable

	AxisAlignedBox3 GetBox() const;
	
	int CastRay(Ray &ray);
	
	bool IsConvex() const;
	bool IsWatertight() const;
	float IntersectionComplexity();
  
	int NumberOfFaces() const;
	int Type() const;

	int GetRandomSurfacePoint(GtpVisibilityPreprocessor::Vector3 &point, 
							  GtpVisibilityPreprocessor::Vector3 &normal);

	int GetRandomVisibleSurfacePoint(GtpVisibilityPreprocessor::Vector3 &point,
									 GtpVisibilityPreprocessor::Vector3 &normal,
									 const GtpVisibilityPreprocessor::Vector3 &viewpoint,
									 const int maxTries);
  
	ostream &Describe(ostream &s);
	

	/** Pointer to kd leaf object that was hit during ray casting.
	*/
	Intersectable *mHitObject;

protected:
	
	KdNode *mNode;
};


}

#endif