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Work on MeshDecimator.

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This commit is contained in:
David Williams
2011-01-02 15:28:02 +00:00
parent 6b78768ba0
commit fff36662a5
2 changed files with 94 additions and 248 deletions
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19
library/PolyVoxCore/include/MeshDecimator.h
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@ -39,13 +39,6 @@ namespace PolyVox
NF_NO_OF_FLAGS
};
enum Stages
{
STAGE_FACE,
STAGE_EDGE,
NO_OF_STAGES
};
struct VertexMetadata
{
bool hasDuplicate;
@ -54,6 +47,8 @@ namespace PolyVox
int noOfDifferentNormals;
Vector3DFloat normal;
std::bitset<NF_NO_OF_FLAGS> m_bNormalFlags;
bool isOnRegionEdge;
bool isOnMaterialEdge;
};
template <typename VertexType>
@ -68,8 +63,6 @@ namespace PolyVox
void fillVertexMetadata(std::vector<VertexMetadata>& vecVertexMetadata);
int countZeros(void);
SurfaceMesh<VertexType>* m_pInputMesh;
//SurfaceMesh<PositionMaterial>* pMeshOutput;
@ -79,6 +72,10 @@ namespace PolyVox
bool isSubsetCubic(std::bitset<NF_NO_OF_FLAGS> a, std::bitset<NF_NO_OF_FLAGS> b);
bool canCollapseEdge(uint32_t uSrc, uint32_t uDest);
bool canCollapseNormalEdge(uint32_t uSrc, uint32_t uDest);
bool canCollapseRegionEdge(uint32_t uSrc, uint32_t uDest);
bool canCollapseMaterialEdge(uint32_t uSrc, uint32_t uDest);
bool collapseCausesFaceFlip(uint32_t uSrc, uint32_t uDest);
//Data structures used during decimation
std::vector<uint8_t> m_vecNoOfNeighboursUsingMaterial;
@ -91,16 +88,12 @@ namespace PolyVox
vector<int> vecOfTriCts;
vector<Vector3DFloat> vecOfTriNormals;
int m_NoOfZeros;
//vector<int> noOfDifferentNormals;
vector<VertexMetadata> m_vecInitialVertexMetadata;
vector<VertexMetadata> m_vecCurrentVertexMetadata;
float fMinDotProductForCollapse;
uint8_t m_uStage;
};
}