#ifndef _IntelRayCaster_H__
#define _IntelRayCaster_H__

#include "RayCaster.h"
#include <vector>


namespace GtpVisibilityPreprocessor {


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


/** This class provides an interface for ray casting.
*/
class IntelRayCaster: public RayCaster
{
public:
	/** Default constructor initialising e.g., KD tree and BSP tree.
	*/
	IntelRayCaster(
		const Preprocessor &preprocessor,
		const string externKdTree);

	virtual ~IntelRayCaster();

	int Type() const { return INTEL_RAYCASTER; }

	virtual int CastRay(
		const Vector3 &viewPoint,
		const Vector3 &direction,
		const float probability,
        VssRayContainer &vssRays,
		const AxisAlignedBox3 &box,
		const bool castDoubleRay
		);

	 virtual void CastRays16(
		 const int i,
		 SimpleRayContainer &rays, 
		 VssRayContainer &vssRays,
		 const AxisAlignedBox3 &sbox,
		 const bool castDoubleRay
		 );
	 
protected:

	bool InitRayCast(const string externKdTree);
};


}

#endif