source: GTP/trunk/App/Demos/Illum/pathmap/MeshExploder.h @ 2197

#pragma once

struct Tri;

class MeshExploder
{
        LPDIRECT3DDEVICE9 device;

        LPD3DXMESH originalMesh;
        D3DXMATERIAL* originalMaterials;
        D3DXEFFECTINSTANCE* originalShaders;

        wchar_t** materialNames;

        unsigned int nPieces;
        LPD3DXMESH* fragmentMeshes;
        DWORD* fragmentAttribIndices;

public:
        LPD3DXMESH composedMesh;
        D3DXMATERIAL* composedMaterials;
        D3DXEFFECTINSTANCE* composedShaders;

        wchar_t** composedMaterialNames;

        MeshExploder(LPDIRECT3DDEVICE9 device,
                LPD3DXMESH originalMesh,
                D3DXMATERIAL* originalMaterials,
                wchar_t** materialNames,
                D3DXEFFECTINSTANCE* originalShaders,
                unsigned int nPieces);
        ~MeshExploder(void);

        //create #nPieces partial meshes
        //attributes are kept for every face
        void explode();

        //generate atlas for all fragment meshes
        //attributes are kept
        void generateAtlas(int atlasSize);

        //combine all fragment meshes into one
        //attributes are (original x fragmentIndex)
        //new material buffer
        void merge();

        void saveFragMeshes();
        void saveComposedMesh(LPCSTR name);

        void saveComposedMeshToOgreXML(LPCSTR name);

        static void clusterTrisKMeans(Tri* triArray, int nTris, int nClusters, int* clusterLenghts);
};