105 lines
3.5 KiB
C++
105 lines
3.5 KiB
C++
/*******************************************************************************
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* The MIT License (MIT)
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*
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* Copyright (c) 2015 David Williams and Matthew Williams
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*******************************************************************************/
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#ifndef __PolyVox_Mesh_H__
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#define __PolyVox_Mesh_H__
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#include "Impl/PlatformDefinitions.h"
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#include "Region.h"
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#include "Vertex.h" //Should probably do away with this on in the future...
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#include <algorithm>
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#include <cstdlib>
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#include <list>
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#include <memory>
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#include <set>
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#include <vector>
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namespace PolyVox
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{
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typedef uint32_t DefaultIndexType;
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template <typename _VertexType, typename _IndexType = DefaultIndexType>
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class Mesh
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{
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public:
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typedef _VertexType VertexType;
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typedef _IndexType IndexType;
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Mesh();
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~Mesh();
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IndexType getNoOfVertices(void) const;
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const VertexType& getVertex(IndexType index) const;
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const VertexType* getRawVertexData(void) const;
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POLYVOX_DEPRECATED const std::vector<VertexType>& getVertices(void) const;
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size_t getNoOfIndices(void) const;
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IndexType getIndex(uint32_t index) const;
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const IndexType* getRawIndexData(void) const;
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POLYVOX_DEPRECATED const std::vector<IndexType>& getIndices(void) const;
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const Vector3DInt32& getOffset(void) const;
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void setOffset(const Vector3DInt32& offset);
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IndexType addVertex(const VertexType& vertex);
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void addTriangle(IndexType index0, IndexType index1, IndexType index2);
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void clear(void);
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bool isEmpty(void) const;
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void removeUnusedVertices(void);
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private:
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std::vector<IndexType> m_vecIndices;
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std::vector<VertexType> m_vecVertices;
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Vector3DInt32 m_offset;
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};
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template <typename MeshType>
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Mesh< Vertex< typename MeshType::VertexType::DataType >, typename MeshType::IndexType > decodeMesh(const MeshType& encodedMesh)
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{
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Mesh< Vertex< typename MeshType::VertexType::DataType >, typename MeshType::IndexType > decodedMesh;
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for (typename MeshType::IndexType ct = 0; ct < encodedMesh.getNoOfVertices(); ct++)
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{
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decodedMesh.addVertex(decodeVertex(encodedMesh.getVertex(ct)));
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}
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POLYVOX_ASSERT(encodedMesh.getNoOfIndices() % 3 == 0, "The number of indices must always be a multiple of three.");
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for (uint32_t ct = 0; ct < encodedMesh.getNoOfIndices(); ct += 3)
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{
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decodedMesh.addTriangle(encodedMesh.getIndex(ct), encodedMesh.getIndex(ct + 1), encodedMesh.getIndex(ct + 2));
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}
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decodedMesh.setOffset(encodedMesh.getOffset());
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return decodedMesh;
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}
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}
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#include "Mesh.inl"
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#endif /* __Mesh_H__ */
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