Cortex  10.0.0-a4
MeshVertexReorderOp.h
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34 
35 #ifndef IECORE_MESHVERTEXREORDEROP_H
36 #define IECORE_MESHVERTEXREORDEROP_H
37 
38 #include <set>
39 #include <vector>
40 #include <map>
41 
42 #include "IECore/Export.h"
43 #include "IECore/SimpleTypedParameter.h"
44 #include "IECore/TypedPrimitiveOp.h"
45 
46 namespace IECore
47 {
48 
51 class IECORE_API MeshVertexReorderOp : public MeshPrimitiveOp
52 {
53  public:
54 
56  ~MeshVertexReorderOp() override;
57 
58  IE_CORE_DECLARERUNTIMETYPED( MeshVertexReorderOp, MeshPrimitiveOp );
59 
60  V3iParameter * startingVerticesParameter();
61  const V3iParameter * startingVerticesParameter() const;
62 
63  protected:
64 
65  void modifyTypedPrimitive( MeshPrimitive * mesh, const CompoundObject * operands ) override;
66 
67  private :
68 
69  V3iParameterPtr m_startingVerticesParameter;
70 
71  struct ReorderFn;
72  struct HandleErrors;
73 
74  typedef int FaceId;
75  typedef int EdgeId;
76  typedef int VertexId;
77 
78  typedef std::pair< VertexId, VertexId > Edge;
79 
80  typedef std::vector< FaceId > FaceList;
81  typedef std::set< FaceId > FaceSet;
82  typedef std::vector< Edge > EdgeList;
83  typedef std::vector<VertexId> VertexList;
84 
85  typedef std::map< FaceId, EdgeList > FaceToEdgesMap;
86  typedef std::map< FaceId, VertexList > FaceToVerticesMap;
87  typedef std::map< VertexId, FaceSet > VertexToFacesMap;
88  typedef std::map< Edge, FaceList > EdgeToConnectedFacesMap;
89 
90  FaceToEdgesMap m_faceToEdgesMap;
91  FaceToVerticesMap m_faceToVerticesMap;
92  EdgeToConnectedFacesMap m_edgeToConnectedFacesMap;
93  VertexToFacesMap m_vertexToFacesMap;
94  VertexList m_faceVaryingOffsets;
95  int m_numFaces;
96  int m_numVerts;
97 
98  void buildInternalTopology( const MeshPrimitive * mesh );
99 
100  int faceDirection( FaceId face, Edge edge );
101 
102  void visitFace(
103  const MeshPrimitive * mesh,
104  FaceId currentFace,
105  Edge currentEdge,
106  std::vector<VertexId> &vertexMap,
107  std::vector<VertexId> &vertexRemap,
108  std::vector<int> &newVerticesPerFace,
109  std::vector<VertexId> &newVertexIds,
110  std::vector<int> &faceVaryingRemap,
111  std::vector<int> &faceRemap,
112  int &nextVertex
113  );
114 
115 };
116 
117 IE_CORE_DECLAREPTR( MeshVertexReorderOp );
118 
119 } // namespace IECore
120 
121 #endif // IECORE_MESHVERTEXREORDEROP_H
122 
Definition: TypedParameter.h:48
Definition: MeshPrimitive.h:56
Definition: MeshVertexReorderOp.h:51
Definition: CompoundObject.h:46
This namespace contains all components of the core library.
Definition: AddSmoothSkinningInfluencesOp.h:43