source: GTP/trunk/Lib/Geom/shared/GTGeometry/src/libs/SimplificationMethod.h @ 981

#pragma once

#include <set>
#include <map>
#include <vector>
#include <list>
#include <iostream>
#include <qslim.h>
#include <GeoMeshSimplifier.h>

class SimplificationMethod
{
private:
        Geometry::Mesh  *mGeoMesh;
        void compute_pair_info(qslim::pair_info*);
        qslim::Model M0;
        qslim::array<qslim::vert_info> vinfo;
        qslim::Heap *heap;
        qslim::real proximity_limit;    // distance threshold squared
        int initialVertCount;
        int initialEdgeCount;
        int initialFaceCount;

        inline qslim::vert_info& vertex_info(qslim::Vertex *v){ return vinfo(v->validID()); }
        qslim::real pair_mesh_penalty(qslim::Model& M, qslim::Vertex *v1, qslim::Vertex *v2, qslim::Vec3& vnew);
        int predict_face(qslim::Face& F, qslim::Vertex *v1, qslim::Vertex *v2, qslim::Vec3& vnew, qslim::Vec3& f1, qslim::Vec3& f2, qslim::Vec3& f3);
        bool check_for_pair(qslim::Vertex *v0, qslim::Vertex *v1);
        qslim::pair_info *new_pair(qslim::Vertex *v0, qslim::Vertex *v1);
        void delete_pair(qslim::pair_info *pair);
        void do_contract(qslim::Model& m, qslim::pair_info *pair);
        bool decimate_quadric(qslim::Vertex *v, qslim::Mat4& Q);
        void decimate_contract(qslim::Model& m);
        qslim::real decimate_error(qslim::Vertex *v);
        qslim::real decimate_min_error();
        qslim::real decimate_max_error(qslim::Model& m);
        void decimate_init(qslim::Model& m, qslim::real limit);
        bool pair_is_valid(qslim::Vertex *u, qslim::Vertex *v);
        void simplifmethod_run(int,     Geometry::TIPOFUNC      upb=0);
        void simplifmethod_runv(int,    Geometry::TIPOFUNC      upb=0);
        void simplifmethod_init(void);

        //To map the mesh with de simplification method structure
        std::map<int,std::vector<int> > submeshmap; //submeshes which pertains each vertex
        std::map<int,std::vector<int> > vertexbuffermap; //vertices of the VertexBuffer that point at this vertex of the simplification method

        //simplification sequence of the simplification method
        std::vector<Geometry::MeshSimplificationSequence::Step> decim_data;
        std::string meshName;
        void WriteOBJ(void);
        unsigned int *first_index_submesh;
        //std::vector<qslim::pair_info *> pointers_to_remove;

        int indexMeshLeaves;
public:
        const Geometry::Mesh *objmesh;
        int number_of_triangles; //total number of triangles of all the submeshes
        SimplificationMethod(const Geometry::Mesh *m);
        void geomesh2simplifModel(void);
        Geometry::MeshSimplificationSequence *Decimate(float lod, int simpliftype,Geometry::TIPOFUNC    upb=0);
        void setMeshLeaves(int meshLeaves);

        //      Gets mesh simplified.
        Geometry::Mesh  *       GetMesh();
        
        ///Destructor
        ~SimplificationMethod();
};