3Dモデルファイルの入出力

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#include "rx_model.h"
 

void ReadOBJ(const string filename, rxPolygons &polys, Vec3 cen, Vec3 ext)
{
    if(!polys.vertices.empty()){
        polys.vertices.clear();
        polys.normals.clear();
        polys.faces.clear();
        polys.materials.clear();
        polys.open = 0;
    }
    rxOBJ obj;
    if(obj.Read(filename, polys.vertices, polys.normals, polys.faces, polys.materials, true)){
        cout << filename << " have been read." << endl;
 
        if(polys.normals.empty()){
            CalVertexNormals(polys);
        }
 
        cout << " the number of vertex   : " << polys.vertices.size() << endl;
        cout << " the number of normal   : " << polys.normals.size() << endl;
        cout << " the number of polygon  : " << polys.faces.size() << endl;
        cout << " the number of material : " << polys.materials.size() << endl;
 
        FitVertices(cen, ext, polys.vertices);
 
                if(!polys.materials.empty()){
            rxMTL::iterator iter = polys.materials.begin();
            for(; iter != polys.materials.end(); ++iter){
                if(iter->second.tex_file.empty()) continue;
 
                cout << iter->first << " : " << iter->second.tex_file;
                LoadGLTexture(iter->second.tex_file, iter->second.tex_name, true, false);
 
                cout << " : " << iter->second.tex_name << endl;
            }
        }
 
        polys.open = 1;
    }
}
 

void SaveOBJ(const string filename, rxPolygons &polys)
{
    rxOBJ obj;
    if(obj.Save(filename, polys.vertices, polys.normals, polys.faces, polys.materials)){
        cout << filename << " have been saved." << endl;
    }
}