104 lines
3.2 KiB
C++
104 lines
3.2 KiB
C++
/*******************************************************************************
|
|
Copyright (c) 2005-2009 David Williams
|
|
|
|
This software is provided 'as-is', without any express or implied
|
|
warranty. In no event will the authors be held liable for any damages
|
|
arising from the use of this software.
|
|
|
|
Permission is granted to anyone to use this software for any purpose,
|
|
including commercial applications, and to alter it and redistribute it
|
|
freely, subject to the following restrictions:
|
|
|
|
1. The origin of this software must not be misrepresented; you must not
|
|
claim that you wrote the original software. If you use this software
|
|
in a product, an acknowledgment in the product documentation would be
|
|
appreciated but is not required.
|
|
|
|
2. Altered source versions must be plainly marked as such, and must not be
|
|
misrepresented as being the original software.
|
|
|
|
3. This notice may not be removed or altered from any source
|
|
distribution.
|
|
*******************************************************************************/
|
|
|
|
#ifndef __PolyVox_Mesh_H__
|
|
#define __PolyVox_Mesh_H__
|
|
|
|
#include "Impl/TypeDef.h"
|
|
|
|
#include "PolyVox/PolyVoxForwardDeclarations.h"
|
|
#include "PolyVox/Region.h"
|
|
#include "PolyVox/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
|
|
{
|
|
template <typename _VertexType, typename _IndexType>
|
|
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;
|
|
POLYVOX_DEPRECATED const std::vector<VertexType>& getVertices(void) const;
|
|
|
|
uint32_t getNoOfIndices(void) const;
|
|
IndexType getIndex(uint32_t index) const;
|
|
const IndexType* getRawIndexData(void);
|
|
POLYVOX_DEPRECATED const std::vector<IndexType>& getIndices(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 "PolyVox/Mesh.inl"
|
|
|
|
#endif /* __Mesh_H__ */
|