polyvox/include/VolumeIterator.h
2008-02-09 17:49:34 +00:00

132 lines
4.7 KiB
C++

/******************************************************************************
This file is part of a voxel plugin for OGRE
Copyright (C) 2006 David Williams
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
******************************************************************************/
#ifndef __VolumeIterator_H__
#define __VolumeIterator_H__
#include "boost/cstdint.hpp"
#include "TypeDef.h"
namespace Ogre
{
class Volume;
class VOXEL_SCENE_MANAGER_API VolumeIterator
{
public:
VolumeIterator(Volume& volume);
~VolumeIterator();
void setVoxel(boost::uint8_t value);
boost::uint8_t getVoxel(void);
boost::uint8_t getVoxelAt(const boost::uint16_t xPosition, const boost::uint16_t yPosition, const boost::uint16_t zPosition) const;
void setVoxelAt(const boost::uint16_t xPosition, const boost::uint16_t yPosition, const boost::uint16_t zPosition, const boost::uint8_t value);
float getAveragedVoxelAt(const boost::uint16_t xPosition, const boost::uint16_t yPosition, const boost::uint16_t zPosition, boost::uint16_t size) const;
//FIXME - this shouldn't return float vector
Vector3DFloat getCentralDifferenceGradient(void) const;
Vector3DFloat getAveragedCentralDifferenceGradient(void) const;
Vector3DFloat getSobelGradient(void) const;
boost::uint16_t getPosX(void);
boost::uint16_t getPosY(void);
boost::uint16_t getPosZ(void);
void setPosition(boost::uint16_t xPos, boost::uint16_t yPos, boost::uint16_t zPos);
void setValidRegion(boost::uint16_t xFirst, boost::uint16_t yFirst, boost::uint16_t zFirst, boost::uint16_t xLast, boost::uint16_t yLast, boost::uint16_t zLast);
void moveForwardInRegion(void);
bool isValidForRegion(void);
boost::uint8_t peekVoxel1nx1ny1nz(void) const;
boost::uint8_t peekVoxel1nx1ny0pz(void) const;
boost::uint8_t peekVoxel1nx1ny1pz(void) const;
boost::uint8_t peekVoxel1nx0py1nz(void) const;
boost::uint8_t peekVoxel1nx0py0pz(void) const;
boost::uint8_t peekVoxel1nx0py1pz(void) const;
boost::uint8_t peekVoxel1nx1py1nz(void) const;
boost::uint8_t peekVoxel1nx1py0pz(void) const;
boost::uint8_t peekVoxel1nx1py1pz(void) const;
boost::uint8_t peekVoxel0px1ny1nz(void) const;
boost::uint8_t peekVoxel0px1ny0pz(void) const;
boost::uint8_t peekVoxel0px1ny1pz(void) const;
boost::uint8_t peekVoxel0px0py1nz(void) const;
boost::uint8_t peekVoxel0px0py0pz(void) const;
boost::uint8_t peekVoxel0px0py1pz(void) const;
boost::uint8_t peekVoxel0px1py1nz(void) const;
boost::uint8_t peekVoxel0px1py0pz(void) const;
boost::uint8_t peekVoxel0px1py1pz(void) const;
boost::uint8_t peekVoxel1px1ny1nz(void) const;
boost::uint8_t peekVoxel1px1ny0pz(void) const;
boost::uint8_t peekVoxel1px1ny1pz(void) const;
boost::uint8_t peekVoxel1px0py1nz(void) const;
boost::uint8_t peekVoxel1px0py0pz(void) const;
boost::uint8_t peekVoxel1px0py1pz(void) const;
boost::uint8_t peekVoxel1px1py1nz(void) const;
boost::uint8_t peekVoxel1px1py0pz(void) const;
boost::uint8_t peekVoxel1px1py1pz(void) const;
private:
//The current volume
Volume& mVolume;
//The current position in the volume
boost::uint16_t mXPosInVolume;
boost::uint16_t mYPosInVolume;
boost::uint16_t mZPosInVolume;
//The position of the current block
boost::uint16_t mXBlock;
boost::uint16_t mYBlock;
boost::uint16_t mZBlock;
//The offset into the current block
boost::uint16_t mXPosInBlock;
boost::uint16_t mYPosInBlock;
boost::uint16_t mZPosInBlock;
//Other current position information
boost::uint8_t* mCurrentVoxel;
boost::uint32_t mBlockIndexInVolume;
boost::uint32_t mVoxelIndexInBlock;
boost::uint16_t mXRegionFirst;
boost::uint16_t mYRegionFirst;
boost::uint16_t mZRegionFirst;
boost::uint16_t mXRegionLast;
boost::uint16_t mYRegionLast;
boost::uint16_t mZRegionLast;
boost::uint16_t mXRegionFirstBlock;
boost::uint16_t mYRegionFirstBlock;
boost::uint16_t mZRegionFirstBlock;
boost::uint16_t mXRegionLastBlock;
boost::uint16_t mYRegionLastBlock;
boost::uint16_t mZRegionLastBlock;
bool mIsValidForRegion;
};
}
#endif