void vertex(double x, double y, double z)
    {
        list<double> nmc = list<double>();
        nmc.push_back(2);
        nmc.push_back(x);
        nmc.push_back(y);
        nmc.push_back(z);
        nmc.push_back(0);
        nmc.push_back(0);
        nmc.push_back(0);
        nmc.push_back(0);
        nmc.push_back(0);
        nmc.push_back(0);
        nmc.push_back(0);
        model_calls.push_back(nmc);
    }

    void draw(double x, double y, double z, int texId)
    {
        bind_texture(texId);
        list<list<double> >::iterator mit;
        list<double>::iterator pit;
        for (mit = model_calls.begin(); mit != model_calls.end(); mit++)
        {
            pit = (*mit).begin();
            switch (int(*pit++))
            {
                case 0:  d3d_primitive_begin(*pit++); break;
                case 1:  d3d_primitive_end(); break;
                case 2:  d3d_vertex(*pit++, *pit++, *pit++); break;
                case 3:  d3d_vertex_color(*pit++, *pit++, *pit++, *pit++, *pit++); break;
                case 4:  d3d_vertex_texture(*pit++, *pit++, *pit++, *pit++, *pit++); break;
                case 5:  d3d_vertex_texture_color(*pit++, *pit++, *pit++, *pit++, *pit++, *pit++, *pit++); break;
                case 10: d3d_draw_block(*pit++, *pit++, *pit++, *pit++, *pit++, *pit++, texId, *pit++, *pit++); break;
                case 11: d3d_draw_cylinder(*pit++, *pit++, *pit++, *pit++, *pit++, *pit++, texId, *pit++, *pit++, *pit++, *pit++); break;
                case 12: d3d_draw_cone(*pit++, *pit++, *pit++, *pit++, *pit++, *pit++, texId, *pit++, *pit++, *pit++, *pit++); break;
                case 13: d3d_draw_ellipsoid(*pit++, *pit++, *pit++, *pit++, *pit++, *pit++, texId, *pit++, *pit++, *pit++); break;
                case 14: d3d_draw_wall(*pit++, *pit++, *pit++, *pit++, *pit++, *pit++, texId, *pit++, *pit++); break;
                case 15: d3d_draw_floor(*pit++, *pit++, *pit++, *pit++, *pit++, *pit++, texId, *pit++, *pit++); break;
            }
        }
    }