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