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2025-01-22 16:18:30 +01:00
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//
// Copyright (c) 2009-2010 Mikko Mononen memon@inside.org
//
// 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 CHUNKYTRIMESH_H
#define CHUNKYTRIMESH_H
struct rcChunkyTriMeshNode
{
float bmin[2];
float bmax[2];
int i;
int n;
};
struct rcChunkyTriMesh
{
inline rcChunkyTriMesh() : nodes(0), nnodes(0), tris(0), ntris(0), maxTrisPerChunk(0) {};
inline ~rcChunkyTriMesh() { delete [] nodes; delete [] tris; }
rcChunkyTriMeshNode* nodes;
int nnodes;
int* tris;
int ntris;
int maxTrisPerChunk;
private:
// Explicitly disabled copy constructor and copy assignment operator.
rcChunkyTriMesh(const rcChunkyTriMesh&);
rcChunkyTriMesh& operator=(const rcChunkyTriMesh&);
};
/// Creates partitioned triangle mesh (AABB tree),
/// where each node contains at max trisPerChunk triangles.
bool rcCreateChunkyTriMesh(const float* verts, const int* tris, int ntris,
int trisPerChunk, rcChunkyTriMesh* cm);
/// Returns the chunk indices which overlap the input rectable.
int rcGetChunksOverlappingRect(const rcChunkyTriMesh* cm, float bmin[2], float bmax[2], int* ids, const int maxIds);
/// Returns the chunk indices which overlap the input segment.
int rcGetChunksOverlappingSegment(const rcChunkyTriMesh* cm, float p[2], float q[2], int* ids, const int maxIds);
#endif // CHUNKYTRIMESH_H

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//
// Copyright (c) 2009-2010 Mikko Mononen memon@inside.org
//
// 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 MESHLOADER_OBJ
#define MESHLOADER_OBJ
#include <string>
class rcMeshLoaderObj
{
public:
rcMeshLoaderObj();
~rcMeshLoaderObj();
bool load(const std::string& fileName);
const float* getVerts() const { return m_verts; }
const float* getNormals() const { return m_normals; }
const int* getTris() const { return m_tris; }
int getVertCount() const { return m_vertCount; }
int getTriCount() const { return m_triCount; }
const std::string& getFileName() const { return m_filename; }
private:
// Explicitly disabled copy constructor and copy assignment operator.
rcMeshLoaderObj(const rcMeshLoaderObj&);
rcMeshLoaderObj& operator=(const rcMeshLoaderObj&);
void addVertex(float x, float y, float z, int& cap);
void addTriangle(int a, int b, int c, int& cap);
std::string m_filename;
float m_scale;
float* m_verts;
int* m_tris;
float* m_normals;
int m_vertCount;
int m_triCount;
};
#endif // MESHLOADER_OBJ