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Refactoring CubicSurfaceExtractor to free functions rather than just wrapping a class.

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This commit is contained in:
David Williams
2015-12-17 22:57:41 +00:00
parent 43bb832c46
commit 9e600c0bcb
2 changed files with 67 additions and 99 deletions
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27
include/PolyVox/CubicSurfaceExtractor.h
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@ -225,31 +225,8 @@ namespace PolyVox
public:
CubicSurfaceExtractor(VolumeType* volData, Region region, MeshType* result, IsQuadNeeded isQuadNeeded = IsQuadNeeded(), bool bMergeQuads = true);
void execute();
private:
IsQuadNeeded m_funcIsQuadNeededCallback;
//The volume data and a sampler to access it.
VolumeType* m_volData;
//Information about the region we are currently processing
Region m_regSizeInVoxels;
//The surface patch we are currently filling.
MeshType* m_meshCurrent;
//Used to avoid creating duplicate vertices.
Array<3, IndexAndMaterial<VolumeType> > m_previousSliceVertices;
Array<3, IndexAndMaterial<VolumeType> > m_currentSliceVertices;
//During extraction we create a number of different lists of quads. All the
//quads in a given list are in the same plane and facing in the same direction.
std::vector< std::list<Quad> > m_vecQuads[NoOfFaces];
//Controls whether quad merging should be performed. This might be undesirable
//is the user needs per-vertex attributes, or to perform per vertex lighting.
bool m_bMergeQuads;
};
// This version of the function performs the extraction into a user-provided mesh rather than allocating a mesh automatically.
@ -269,7 +246,7 @@ namespace PolyVox
void extractCubicMeshCustom(VolumeType* volData, Region region, MeshType* result, IsQuadNeeded isQuadNeeded = IsQuadNeeded(), bool bMergeQuads = true)
{
CubicSurfaceExtractor<VolumeType, MeshType, IsQuadNeeded> extractor(volData, region, result, isQuadNeeded, bMergeQuads);
extractor.execute();
//extractor.execute();
}
/// The CubicSurfaceExtractor creates a mesh in which each voxel appears to be rendered as a cube