134 lines
4.0 KiB
C++
134 lines
4.0 KiB
C++
/******************************************************************************
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This file is part of a voxel plugin for OGRE
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Copyright (C) 2006 David Williams
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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******************************************************************************/
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#ifndef __VolumeIterator_H__
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#define __VolumeIterator_H__
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#include "OgrePrerequisites.h"
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#include "OgreSharedPtr.h"
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#include "TypeDef.h"
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namespace Ogre
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{
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class Volume;
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class VOXEL_SCENE_MANAGER_API VolumeIterator
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{
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public:
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VolumeIterator(Volume& volume);
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~VolumeIterator();
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void setVoxel(uchar value);
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uchar getVoxel(void);
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uchar getVoxelAt(const uint xPosition, const uint yPosition, const uint zPosition) const;
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void setVoxelAt(const uint xPosition, const uint yPosition, const uint zPosition, const uchar value);
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float getAveragedVoxelAt(const uint xPosition, const uint yPosition, const uint zPosition, uint size) const;
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//FIXME - this shouldn't return float vector
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Vector3 getCentralDifferenceGradient(void) const;
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Vector3 getAveragedCentralDifferenceGradient(void) const;
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Vector3 getSobelGradient(void) const;
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uint getPosX(void);
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uint getPosY(void);
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uint getPosZ(void);
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void setPosition(uint xPos, uint yPos, uint zPos);
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void setValidRegion(uint xFirst, uint yFirst, uint zFirst, uint xLast, uint yLast, uint zLast);
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void moveForwardInRegion(void);
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bool isValidForRegion(void);
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uchar peekVoxel1nx1ny1nz(void) const;
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uchar peekVoxel1nx1ny0pz(void) const;
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uchar peekVoxel1nx1ny1pz(void) const;
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uchar peekVoxel1nx0py1nz(void) const;
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uchar peekVoxel1nx0py0pz(void) const;
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uchar peekVoxel1nx0py1pz(void) const;
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uchar peekVoxel1nx1py1nz(void) const;
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uchar peekVoxel1nx1py0pz(void) const;
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uchar peekVoxel1nx1py1pz(void) const;
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uchar peekVoxel0px1ny1nz(void) const;
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uchar peekVoxel0px1ny0pz(void) const;
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uchar peekVoxel0px1ny1pz(void) const;
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uchar peekVoxel0px0py1nz(void) const;
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uchar peekVoxel0px0py0pz(void) const;
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uchar peekVoxel0px0py1pz(void) const;
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uchar peekVoxel0px1py1nz(void) const;
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uchar peekVoxel0px1py0pz(void) const;
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uchar peekVoxel0px1py1pz(void) const;
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uchar peekVoxel1px1ny1nz(void) const;
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uchar peekVoxel1px1ny0pz(void) const;
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uchar peekVoxel1px1ny1pz(void) const;
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uchar peekVoxel1px0py1nz(void) const;
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uchar peekVoxel1px0py0pz(void) const;
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uchar peekVoxel1px0py1pz(void) const;
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uchar peekVoxel1px1py1nz(void) const;
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uchar peekVoxel1px1py0pz(void) const;
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uchar peekVoxel1px1py1pz(void) const;
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private:
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//The current volume
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Volume& mVolume;
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//The current position in the volume
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uint mXPosInVolume;
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uint mYPosInVolume;
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uint mZPosInVolume;
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//The position of the current block
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uint mXBlock;
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uint mYBlock;
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uint mZBlock;
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//The offset into the current block
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uint mXPosInBlock;
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uint mYPosInBlock;
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uint mZPosInBlock;
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//Other current position information
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uchar* mCurrentVoxel;
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//SharedPtr<Block> mCurrentBlock;
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ulong mBlockIndexInVolume;
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ulong mVoxelIndexInBlock;
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uint mXRegionFirst;
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uint mYRegionFirst;
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uint mZRegionFirst;
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uint mXRegionLast;
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uint mYRegionLast;
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uint mZRegionLast;
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uint mXRegionFirstBlock;
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uint mYRegionFirstBlock;
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uint mZRegionFirstBlock;
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uint mXRegionLastBlock;
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uint mYRegionLastBlock;
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uint mZRegionLastBlock;
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bool mIsValidForRegion;
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};
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}
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#endif
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