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/*
Assimp2Json
Copyright (c) 2011, Alexander C. Gessler
Licensed under a 3-clause BSD license. See the LICENSE file for more information.
*/
#ifndef INCLUDED_MESH_SPLITTER
#define INCLUDED_MESH_SPLITTER
// ----------------------------------------------------------------------------
// Note: this is largely based on assimp's SplitLargeMeshes_Vertex process.
// it is refactored and the coding style is slightly improved, though.
// ----------------------------------------------------------------------------
#include <vector>
struct aiScene;
struct aiMesh;
struct aiNode;
// ---------------------------------------------------------------------------
/** Splits meshes of unique vertices into meshes with no more vertices than
* a given, configurable threshold value.
*/
class MeshSplitter {
public:
unsigned int LIMIT;
void SetLimit(unsigned int l) {
LIMIT = l;
}
unsigned int GetLimit() const {
return LIMIT;
}
// -------------------------------------------------------------------
/** Executes the post processing step on the given imported data.
* At the moment a process is not supposed to fail.
* @param pScene The imported data to work at.
*/
void Execute(aiScene *pScene);
private:
void UpdateNode(aiNode *pcNode, const std::vector<std::pair<aiMesh *, unsigned int>> &source_mesh_map);
void SplitMesh(unsigned int index, aiMesh *mesh, std::vector<std::pair<aiMesh *, unsigned int>> &source_mesh_map);
};
#endif // INCLUDED_MESH_SPLITTER
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