89c48cdc27
Also initial work on a 'dynamic' mesh for simplification... but this probably won't be needed now.
109 lines
3.5 KiB
C++
109 lines
3.5 KiB
C++
#pragma region License
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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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#pragma endregion
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#ifndef __PolyVox_IndexedSurfacePatch_H__
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#define __PolyVox_IndexedSurfacePatch_H__
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#include <vector>
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#include <set>
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#include "PolyVoxImpl/CPlusPlusZeroXSupport.h"
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#include "PolyVoxForwardDeclarations.h"
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#include "Region.h"
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#include "SurfaceVertex.h"
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#include "PolyVoxImpl/TypeDef.h"
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namespace PolyVox
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{
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class LodRecord
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{
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public:
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int beginIndex;
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int endIndex; //Let's put it just past the end STL style
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};
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class POLYVOXCORE_API IndexedSurfacePatch
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{
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public:
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IndexedSurfacePatch();
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~IndexedSurfacePatch();
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const std::vector<uint32_t>& getIndices(void) const;
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uint32_t getNoOfIndices(void) const;
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uint32_t getNoOfNonUniformTrianges(void) const;
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uint32_t getNoOfUniformTrianges(void) const;
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uint32_t getNoOfVertices(void) const;
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std::vector<SurfaceVertex>& getRawVertexData(void); //FIXME - this should be removed
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const std::vector<SurfaceVertex>& getVertices(void) const;
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void addTriangle(uint32_t index0, uint32_t index1, uint32_t index2);
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uint32_t addVertex(const SurfaceVertex& vertex);
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void clear(void);
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const bool isEmpty(void) const;
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void smoothPositions(float fAmount, bool bIncludeGeometryEdgeVertices = false);
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void sumNearbyNormals(bool bNormaliseResult = true);
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POLYVOX_SHARED_PTR<IndexedSurfacePatch> extractSubset(std::set<uint8_t> setMaterials);
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void generateAveragedFaceNormals(bool bNormalise, bool bIncludeEdgeVertices = false);
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//Vector3DInt32 m_v3dRegionPosition; //FIXME - remove this?
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/*void growMaterialBoundary(void);
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int countMaterialBoundary(void);*/
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bool isSubset(std::bitset<4> a, std::bitset<4> b);
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void decimate(float fMinDotProductForCollapse = 0.999f);
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uint32_t performDecimationPass(float fMinDotProductForCollapse);
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int noOfDegenerateTris(void);
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void removeDegenerateTris(void);
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void makeProgressiveMesh(void);
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Region m_Region;
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int32_t m_iTimeStamp;
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int32_t m_iNoOfLod0Tris;
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public:
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std::vector<uint32_t> m_vecTriangleIndices;
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std::vector<SurfaceVertex> m_vecVertices;
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std::vector<LodRecord> m_vecLodRecords;
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//The set of materials which are in this mesh. Only those materials
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//which cover a whole triangle are counted. Materials which only
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//exist on a material boundary do not count.
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std::set<uint8_t> m_mapUsedMaterials;
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};
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}
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#endif /* __IndexedSurfacePatch_H__ */
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