Templatised SurfaceMesh class on vertex type.
Replaced 'SurfaceVertex' with PositionMaterial and PositionMaterialNormal classes. Different surface extractors can now work with different vertex types.
This commit is contained in:
David Williams
150
library/PolyVoxCore/include/CubicSurfaceExtractorWithNormals.inl
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150
library/PolyVoxCore/include/CubicSurfaceExtractorWithNormals.inl
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/*******************************************************************************
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Copyright (c) 2005-2009 David Williams
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source
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distribution.
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*******************************************************************************/
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#include "Array.h"
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#include "MaterialDensityPair.h"
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#include "SurfaceMesh.h"
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#include "PolyVoxImpl/MarchingCubesTables.h"
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#include "SurfaceVertex.h"
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namespace PolyVox
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{
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template <typename VoxelType>
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CubicSurfaceExtractorWithNormals<VoxelType>::CubicSurfaceExtractorWithNormals(Volume<VoxelType>* volData, Region region, SurfaceMesh<PositionMaterialNormal>* result)
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:m_volData(volData)
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,m_sampVolume(volData)
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,m_regSizeInVoxels(region)
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,m_meshCurrent(result)
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{
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m_regSizeInVoxels.cropTo(m_volData->getEnclosingRegion());
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m_regSizeInCells = m_regSizeInVoxels;
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m_regSizeInCells.setUpperCorner(m_regSizeInCells.getUpperCorner() - Vector3DInt16(1,1,1));
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m_meshCurrent->clear();
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}
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template <typename VoxelType>
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void CubicSurfaceExtractorWithNormals<VoxelType>::execute()
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{
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for(uint16_t z = m_regSizeInVoxels.getLowerCorner().getZ(); z < m_regSizeInVoxels.getUpperCorner().getZ(); z++)
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{
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for(uint16_t y = m_regSizeInVoxels.getLowerCorner().getY(); y < m_regSizeInVoxels.getUpperCorner().getY(); y++)
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{
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for(uint16_t x = m_regSizeInVoxels.getLowerCorner().getX(); x < m_regSizeInVoxels.getUpperCorner().getX(); x++)
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{
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uint16_t regX = x - m_regSizeInVoxels.getLowerCorner().getX();
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uint16_t regY = y - m_regSizeInVoxels.getLowerCorner().getY();
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uint16_t regZ = z - m_regSizeInVoxels.getLowerCorner().getZ();
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int currentVoxel = m_volData->getVoxelAt(x,y,z).getDensity() >= VoxelType::getThreshold();
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int plusXVoxel = m_volData->getVoxelAt(x+1,y,z).getDensity() >= VoxelType::getThreshold();
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if(currentVoxel > plusXVoxel)
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{
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int material = m_volData->getVoxelAt(x,y,z).getMaterial();
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uint32_t v0 = m_meshCurrent->addVertex(PositionMaterialNormal(Vector3DFloat(regX + 0.5f, regY - 0.5f, regZ - 0.5f), Vector3DFloat(1.0f, 0.0f, 0.0f), material));
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uint32_t v1 = m_meshCurrent->addVertex(PositionMaterialNormal(Vector3DFloat(regX + 0.5f, regY - 0.5f, regZ + 0.5f), Vector3DFloat(1.0f, 0.0f, 0.0f), material));
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uint32_t v2 = m_meshCurrent->addVertex(PositionMaterialNormal(Vector3DFloat(regX + 0.5f, regY + 0.5f, regZ - 0.5f), Vector3DFloat(1.0f, 0.0f, 0.0f), material));
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uint32_t v3 = m_meshCurrent->addVertex(PositionMaterialNormal(Vector3DFloat(regX + 0.5f, regY + 0.5f, regZ + 0.5f), Vector3DFloat(1.0f, 0.0f, 0.0f), material));
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m_meshCurrent->addTriangleCubic(v0,v2,v1);
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m_meshCurrent->addTriangleCubic(v1,v2,v3);
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}
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if(currentVoxel < plusXVoxel)
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{
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int material = m_volData->getVoxelAt(x+1,y,z).getMaterial();
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uint32_t v0 = m_meshCurrent->addVertex(PositionMaterialNormal(Vector3DFloat(regX + 0.5f, regY - 0.5f, regZ - 0.5f), Vector3DFloat(-1.0f, 0.0f, 0.0f), material));
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uint32_t v1 = m_meshCurrent->addVertex(PositionMaterialNormal(Vector3DFloat(regX + 0.5f, regY - 0.5f, regZ + 0.5f), Vector3DFloat(-1.0f, 0.0f, 0.0f), material));
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uint32_t v2 = m_meshCurrent->addVertex(PositionMaterialNormal(Vector3DFloat(regX + 0.5f, regY + 0.5f, regZ - 0.5f), Vector3DFloat(-1.0f, 0.0f, 0.0f), material));
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uint32_t v3 = m_meshCurrent->addVertex(PositionMaterialNormal(Vector3DFloat(regX + 0.5f, regY + 0.5f, regZ + 0.5f), Vector3DFloat(-1.0f, 0.0f, 0.0f), material));
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m_meshCurrent->addTriangleCubic(v0,v1,v2);
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m_meshCurrent->addTriangleCubic(v1,v3,v2);
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}
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int plusYVoxel = m_volData->getVoxelAt(x,y+1,z).getDensity() >= VoxelType::getThreshold();
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if(currentVoxel > plusYVoxel)
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{
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int material = m_volData->getVoxelAt(x,y,z).getMaterial();
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uint32_t v0 = m_meshCurrent->addVertex(PositionMaterialNormal(Vector3DFloat(regX - 0.5f, regY + 0.5f, regZ - 0.5f), Vector3DFloat(0.0f, 1.0f, 0.0f), material));
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uint32_t v1 = m_meshCurrent->addVertex(PositionMaterialNormal(Vector3DFloat(regX - 0.5f, regY + 0.5f, regZ + 0.5f), Vector3DFloat(0.0f, 1.0f, 0.0f), material));
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uint32_t v2 = m_meshCurrent->addVertex(PositionMaterialNormal(Vector3DFloat(regX + 0.5f, regY + 0.5f, regZ - 0.5f), Vector3DFloat(0.0f, 1.0f, 0.0f), material));
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uint32_t v3 = m_meshCurrent->addVertex(PositionMaterialNormal(Vector3DFloat(regX + 0.5f, regY + 0.5f, regZ + 0.5f), Vector3DFloat(0.0f, 1.0f, 0.0f), material));
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m_meshCurrent->addTriangleCubic(v0,v1,v2);
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m_meshCurrent->addTriangleCubic(v1,v3,v2);
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}
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if(currentVoxel < plusYVoxel)
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{
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int material = m_volData->getVoxelAt(x,y+1,z).getMaterial();
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uint32_t v0 = m_meshCurrent->addVertex(PositionMaterialNormal(Vector3DFloat(regX - 0.5f, regY + 0.5f, regZ - 0.5f), Vector3DFloat(0.0f, -1.0f, 0.0f), material));
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uint32_t v1 = m_meshCurrent->addVertex(PositionMaterialNormal(Vector3DFloat(regX - 0.5f, regY + 0.5f, regZ + 0.5f), Vector3DFloat(0.0f, -1.0f, 0.0f), material));
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uint32_t v2 = m_meshCurrent->addVertex(PositionMaterialNormal(Vector3DFloat(regX + 0.5f, regY + 0.5f, regZ - 0.5f), Vector3DFloat(0.0f, -1.0f, 0.0f), material));
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uint32_t v3 = m_meshCurrent->addVertex(PositionMaterialNormal(Vector3DFloat(regX + 0.5f, regY + 0.5f, regZ + 0.5f), Vector3DFloat(0.0f, -1.0f, 0.0f), material));
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m_meshCurrent->addTriangleCubic(v0,v2,v1);
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m_meshCurrent->addTriangleCubic(v1,v2,v3);
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}
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int plusZVoxel = m_volData->getVoxelAt(x,y,z+1).getDensity() >= VoxelType::getThreshold();
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if(currentVoxel > plusZVoxel)
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{
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int material = m_volData->getVoxelAt(x,y,z).getMaterial();
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uint32_t v0 = m_meshCurrent->addVertex(PositionMaterialNormal(Vector3DFloat(regX - 0.5f, regY - 0.5f, regZ + 0.5f), Vector3DFloat(0.0f, 0.0f, 1.0f), material));
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uint32_t v1 = m_meshCurrent->addVertex(PositionMaterialNormal(Vector3DFloat(regX - 0.5f, regY + 0.5f, regZ + 0.5f), Vector3DFloat(0.0f, 0.0f, 1.0f), material));
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uint32_t v2 = m_meshCurrent->addVertex(PositionMaterialNormal(Vector3DFloat(regX + 0.5f, regY - 0.5f, regZ + 0.5f), Vector3DFloat(0.0f, 0.0f, 1.0f), material));
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uint32_t v3 = m_meshCurrent->addVertex(PositionMaterialNormal(Vector3DFloat(regX + 0.5f, regY + 0.5f, regZ + 0.5f), Vector3DFloat(0.0f, 0.0f, 1.0f), material));
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m_meshCurrent->addTriangleCubic(v0,v2,v1);
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m_meshCurrent->addTriangleCubic(v1,v2,v3);
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}
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if(currentVoxel < plusZVoxel)
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{
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int material = m_volData->getVoxelAt(x,y,z+1).getMaterial();
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uint32_t v0 = m_meshCurrent->addVertex(PositionMaterialNormal(Vector3DFloat(regX - 0.5f, regY - 0.5f, regZ + 0.5f), Vector3DFloat(0.0f, 0.0f, -1.0f), material));
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uint32_t v1 = m_meshCurrent->addVertex(PositionMaterialNormal(Vector3DFloat(regX - 0.5f, regY + 0.5f, regZ + 0.5f), Vector3DFloat(0.0f, 0.0f, -1.0f), material));
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uint32_t v2 = m_meshCurrent->addVertex(PositionMaterialNormal(Vector3DFloat(regX + 0.5f, regY - 0.5f, regZ + 0.5f), Vector3DFloat(0.0f, 0.0f, -1.0f), material));
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uint32_t v3 = m_meshCurrent->addVertex(PositionMaterialNormal(Vector3DFloat(regX + 0.5f, regY + 0.5f, regZ + 0.5f), Vector3DFloat(0.0f, 0.0f, -1.0f), material));
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m_meshCurrent->addTriangleCubic(v0,v1,v2);
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m_meshCurrent->addTriangleCubic(v1,v3,v2);
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}
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}
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}
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}
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m_meshCurrent->m_Region = m_regSizeInVoxels;
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m_meshCurrent->m_vecLodRecords.clear();
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LodRecord lodRecord;
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lodRecord.beginIndex = 0;
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lodRecord.endIndex = m_meshCurrent->getNoOfIndices();
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m_meshCurrent->m_vecLodRecords.push_back(lodRecord);
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}
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}
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