76 lines
2.6 KiB
C++
76 lines
2.6 KiB
C++
#pragma region License
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/******************************************************************************
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This file is part of the PolyVox library
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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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#pragma endregion
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#ifndef __PolyVox_SurfaceExtractor_H__
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#define __PolyVox_SurfaceExtractor_H__
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#pragma region Headers
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#include "PolyVoxForwardDeclarations.h"
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#include "VolumeSampler.h"
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#include "PolyVoxImpl/TypeDef.h"
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#include "PolyVoxImpl/CPlusPlusZeroXSupport.h"
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#pragma endregion
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namespace PolyVox
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{
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class POLYVOXCORE_API SurfaceExtractor
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{
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public:
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SurfaceExtractor(Volume<uint8_t>& volData);
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uint8_t getLodLevel(void);
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void setLodLevel(uint8_t uLodLevel);
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POLYVOX_SHARED_PTR<IndexedSurfacePatch> extractSurfaceForRegion(Region region);
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private:
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uint8_t m_uLodLevel;
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uint8_t m_uStepSize;
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Volume<uint8_t> m_volData;
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VolumeSampler<uint8_t> m_sampVolume;
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uint8_t* m_pPreviousBitmask;
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uint8_t* m_pCurrentBitmask;
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int32_t* m_pPreviousVertexIndicesX;
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int32_t* m_pPreviousVertexIndicesY;
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int32_t* m_pPreviousVertexIndicesZ;
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int32_t* m_pCurrentVertexIndicesX;
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int32_t* m_pCurrentVertexIndicesY;
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int32_t* m_pCurrentVertexIndicesZ;
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uint32_t getIndex(uint32_t x, uint32_t y, uint32_t regionWidth);
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//void extractSurfaceForRegionLevel0(Volume<uint8_t>* volumeData, Region region, IndexedSurfacePatch* singleMaterialPatch);
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void extractSurfaceImpl(Region region, IndexedSurfacePatch* singleMaterialPatch);
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uint32_t computeBitmaskForSlice(const Region& regSlice, const Vector3DFloat& offset);
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void generateIndicesForSlice(const Region& regSlice, IndexedSurfacePatch* singleMaterialPatch, const Vector3DFloat& offset);
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void generateVerticesForSlice(Region& regSlice, const Vector3DFloat& offset, IndexedSurfacePatch* singleMaterialPatch);
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};
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}
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#endif
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