00001 /******************************************************************************* 00002 Copyright (c) 2005-2009 David Williams 00003 00004 This software is provided 'as-is', without any express or implied 00005 warranty. In no event will the authors be held liable for any damages 00006 arising from the use of this software. 00007 00008 Permission is granted to anyone to use this software for any purpose, 00009 including commercial applications, and to alter it and redistribute it 00010 freely, subject to the following restrictions: 00011 00012 1. The origin of this software must not be misrepresented; you must not 00013 claim that you wrote the original software. If you use this software 00014 in a product, an acknowledgment in the product documentation would be 00015 appreciated but is not required. 00016 00017 2. Altered source versions must be plainly marked as such, and must not be 00018 misrepresented as being the original software. 00019 00020 3. This notice may not be removed or altered from any source 00021 distribution. 00022 *******************************************************************************/ 00023 00024 #ifndef __PolyVox_SurfaceMesh_H__ 00025 #define __PolyVox_SurfaceMesh_H__ 00026 00027 #include "PolyVoxImpl/TypeDef.h" 00028 00029 #include "PolyVoxCore/Region.h" 00030 #include "PolyVoxCore/VertexTypes.h" //Should probably do away with this on in the future... 00031 00032 #include <algorithm> 00033 #include <cstdlib> 00034 #include <list> 00035 #include <memory> 00036 #include <set> 00037 #include <vector> 00038 00039 namespace PolyVox 00040 { 00041 class LodRecord 00042 { 00043 public: 00044 int beginIndex; 00045 int endIndex; //Let's put it just past the end STL style 00046 }; 00047 00048 template <typename VertexType> 00049 class SurfaceMesh 00050 { 00051 public: 00052 SurfaceMesh(); 00053 ~SurfaceMesh(); 00054 00055 const std::vector<uint32_t>& getIndices(void) const; 00056 uint32_t getNoOfIndices(void) const; 00057 uint32_t getNoOfNonUniformTrianges(void) const; 00058 uint32_t getNoOfUniformTrianges(void) const; 00059 uint32_t getNoOfVertices(void) const; 00060 std::vector<VertexType>& getRawVertexData(void); //FIXME - this should be removed 00061 const std::vector<VertexType>& getVertices(void) const; 00062 00063 void addTriangle(uint32_t index0, uint32_t index1, uint32_t index2); 00064 void addTriangleCubic(uint32_t index0, uint32_t index1, uint32_t index2); 00065 uint32_t addVertex(const VertexType& vertex); 00066 void clear(void); 00067 bool isEmpty(void) const; 00068 00069 void scaleVertices(float amount); 00070 void translateVertices(const Vector3DFloat& amount); 00071 00072 //THESE FUNCTIONS TO BE REMOVED IN THE FUTURE. OR AT LEAST MOVED OUT OF THIS CLASS INTO FREE FUNCTIONS. 00073 //THEY ARE CAUSING PROBLEMS WITH THE SWIG BINDINGS. THE FUNCTIONS REGARDING NORMALS MAKE NO SENSE WHEN 00074 //A VERTEX MIGHT NOT HAVE NORMALS. THE EXTRACT SUBSET FUNCTION SHOULD MAYBE BE APPLICATION CODE, AT ANY 00075 //RATE THE STD::SET CAUSES PROBLEMS WITH SWIG. IF YOU UNCOMMENT ANY OF THESE FUNCTIONS, PLEASE POST ON 00076 //THE FORUM SO WE CAN KNOW THE FUNCTIONALITY IS STILL NEEDED IN SOME FORM. 00077 //void sumNearbyNormals(bool bNormaliseResult = true); 00078 //polyvox_shared_ptr< SurfaceMesh<VertexType> > extractSubset(std::set<uint8_t> setMaterials); 00079 //void generateAveragedFaceNormals(bool bNormalise, bool bIncludeEdgeVertices = false); 00080 00081 int noOfDegenerateTris(void); 00082 void removeDegenerateTris(void); 00083 void removeUnusedVertices(void); 00084 00085 Region m_Region; 00086 00087 int32_t m_iTimeStamp; 00088 00089 int32_t m_iNoOfLod0Tris; 00090 00091 public: 00092 std::vector<uint32_t> m_vecTriangleIndices; 00093 std::vector<VertexType> m_vecVertices; 00094 00095 std::vector<LodRecord> m_vecLodRecords; 00096 00097 //The set of materials which are in this mesh. Only those materials 00098 //which cover a whole triangle are counted. Materials which only 00099 //exist on a material boundary do not count. 00100 std::set<uint8_t> m_mapUsedMaterials; 00101 }; 00102 00103 template <typename VertexType> 00104 polyvox_shared_ptr< SurfaceMesh<VertexType> > extractSubset(SurfaceMesh<VertexType>& inputMesh, std::set<uint8_t> setMaterials); 00105 } 00106 00107 #include "PolyVoxCore/SurfaceMesh.inl" 00108 00109 #endif /* __SurfaceMesh_H__ */
1.7.1