#ifndef _HAIR_VR_VOXEL_PRIMITIVE_base_H_
#define _HAIR_VR_VOXEL_PRIMITIVE_base_H_

// Shave and a Haircut
// (c) 2019 Epic Games
// US Patent 6720962

/**********************************************************************
 *<
	FILE:			shaveVrayVoxelPrimBase.h 

	DESCRIPTION:	Generic base class for all voxel primitive classes

	CREATED BY:		Vladimir Dubovoy <vladimir@3dgears.com>

	HISTORY:		created  12-05-2010 ( as part of 3ds Max + VRay hair shaders)
					
 *>
 **********************************************************************/

#include "utils.h"
#include "box.h"
#include "rayserver.h"
#include "vrayplugins.h"
#include "rayserver.h"
#include "geometryclasses.h"

#include "hairAPIvrayutil.h"
#include "assert.h"

class shaveVrayVoxelPrimBase  {
public:
	shaveVrayVoxelPrimBase(IHairVoxel* vox, VR::VRayCore* vray)
	{
		assert(vox);
		_voxel() = vox;

		vrayCore = vray;

		if(vray)
		{
			const VR::VRayFrameData& vrfd = vray->getFrameData();
			_sceneOffset() = vrfd.sceneOffset;
		}
	}
	virtual ~shaveVrayVoxelPrimBase(){}

	inline IHairVoxel* GetVoxel() const {return voxel();}

protected:

	VR::VRayCore* vrayCore;
	
	//const member access
	inline const VR::TracePoint&  sceneOffset() const {return m_sceneOffset;}
	inline IHairVoxel*	voxel()	const {return m_voxel;}
	
	//member access
	inline VR::TracePoint& _sceneOffset() {return m_sceneOffset;}
public:
	inline IHairVoxel*&	   _voxel(){return m_voxel;}

private:

	IHairVoxel*	  m_voxel;
	//got form VRayFrameData::sceneOffset - it should be added to shaded points rc.rayresult.wpoint
	//
	//In versions of the V-Ray SDK prior to 1.90.00, wpoint was directly in world space. 
	//In versions 1.90.00 and later, the actual world-space coordinates can be obtained 
	//by adding VRayFrameData::sceneOffset to the wpoint. 
	VR::TracePoint  m_sceneOffset ;

};

#endif	//end of_HAIR_VR_VOXEL_PRIMITIVE_H_