#ifndef _InternalRayCaster_H__
#define _InternalRayCaster_H__

#include "RayCaster.h"
#include "Containers.h"
#include <string>
//


namespace GtpVisibilityPreprocessor {


class Intersectable;
class VssRay;
class KdTree;
class Ray;
class SimpleRayContainer;
class AxisAlignedBox3;
class Vector3;
struct VssRayContainer;
class Preprocessor;
struct SimpleRay;


/** This class provides an interface for ray casting.
*/
class InternalRayCaster: public RayCaster
{
public:
	/** Default constructor initialising e.g., KD tree
	*/
	InternalRayCaster(const Preprocessor &preprocessor);
	virtual ~InternalRayCaster();

	int Type() const { return INTERNAL_RAYCASTER; }

	virtual int CastRay(
						const SimpleRay &simpleRay,
						VssRayContainer &vssRays,
						const AxisAlignedBox3 &box,
						const bool castDoubleRay,
						const bool pruneInvalidRays = true
						);

	 virtual void CastRays16(SimpleRayContainer &rays, 
							 VssRayContainer &vssRays,
							 const AxisAlignedBox3 &sbox,
							 const bool castDoubleRay,
							 const bool pruneInvalidRays = true
							 );

	virtual int
	CastGlobalRay(
				  const SimpleRay &simpleRay,
				  VssRayContainer &vssRays,
				  const AxisAlignedBox3 &box,
				  const bool pruneInvalidRays
				  );

protected:

	//KdTree *mKdTree;
};


}

#endif