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Initial checkin of new surface extractor.

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This commit is contained in:
David Williams
2009-05-20 22:24:25 +00:00
parent 85829e004f
commit c1737416a6
3 changed files with 602 additions and 1 deletions
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61
library/PolyVoxCore/include/SurfaceExtractor.h Normal file
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#pragma region License
/******************************************************************************
This file is part of the PolyVox library
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.
******************************************************************************/
#pragma endregion
#ifndef __PolyVox_SurfaceExtractor_H__
#define __PolyVox_SurfaceExtractor_H__
#pragma region Headers
#include "PolyVoxForwardDeclarations.h"
#include "VolumeIterator.h"
#include "PolyVoxImpl/TypeDef.h"
#include "PolyVoxImpl/CPlusPlusZeroXSupport.h"
#pragma endregion
namespace PolyVox
{
class POLYVOXCORE_API SurfaceExtractor
{
public:
SurfaceExtractor(Volume<uint8_t>& volData);
uint8_t getLodLevel(void);
void setLodLevel(uint8_t uLodLevel);
void extractSurfaceForRegion(Region region, IndexedSurfacePatch* singleMaterialPatch);
private:
uint8_t m_uLodLevel;
Volume<uint8_t> m_volData;
VolumeIterator<uint8_t> m_iterVolume;
uint32_t getIndex(uint32_t x, uint32_t y, uint32_t regionWidth);
void extractFastSurfaceImpl(Volume<uint8_t>* volumeData, Region region, IndexedSurfacePatch* singleMaterialPatch);
uint32_t computeRoughBitmaskForSlice(VolumeIterator<uint8_t>& volIter, const Region& regSlice, const Vector3DFloat& offset, uint8_t *bitmask, uint8_t *previousBitmask);
void generateRoughIndicesForSlice(VolumeIterator<uint8_t>& volIter, const Region& regSlice, IndexedSurfacePatch* singleMaterialPatch, const Vector3DFloat& offset, uint8_t* bitmask0, uint8_t* bitmask1, int32_t vertexIndicesX0[],int32_t vertexIndicesY0[],int32_t vertexIndicesZ0[], int32_t vertexIndicesX1[],int32_t vertexIndicesY1[],int32_t vertexIndicesZ1[]);
void generateRoughVerticesForSlice(VolumeIterator<uint8_t>& volIter, Region& regSlice, const Vector3DFloat& offset, uint8_t* bitmask, IndexedSurfacePatch* singleMaterialPatch,int32_t vertexIndicesX[],int32_t vertexIndicesY[],int32_t vertexIndicesZ[]);
};
}
#endif