Line data    Source code

       1              : /*
       2              :  * Copyright (c) 2009-2015:  G-CSC, Goethe University Frankfurt
       3              :  * Author: Sebastian Reiter
       4              :  * 
       5              :  * This file is part of UG4.
       6              :  * 
       7              :  * UG4 is free software: you can redistribute it and/or modify it under the
       8              :  * terms of the GNU Lesser General Public License version 3 (as published by the
       9              :  * Free Software Foundation) with the following additional attribution
      10              :  * requirements (according to LGPL/GPL v3 §7):
      11              :  * 
      12              :  * (1) The following notice must be displayed in the Appropriate Legal Notices
      13              :  * of covered and combined works: "Based on UG4 (www.ug4.org/license)".
      14              :  * 
      15              :  * (2) The following notice must be displayed at a prominent place in the
      16              :  * terminal output of covered works: "Based on UG4 (www.ug4.org/license)".
      17              :  * 
      18              :  * (3) The following bibliography is recommended for citation and must be
      19              :  * preserved in all covered files:
      20              :  * "Reiter, S., Vogel, A., Heppner, I., Rupp, M., and Wittum, G. A massively
      21              :  *   parallel geometric multigrid solver on hierarchically distributed grids.
      22              :  *   Computing and visualization in science 16, 4 (2013), 151-164"
      23              :  * "Vogel, A., Reiter, S., Rupp, M., Nägel, A., and Wittum, G. UG4 -- a novel
      24              :  *   flexible software system for simulating pde based models on high performance
      25              :  *   computers. Computing and visualization in science 16, 4 (2013), 165-179"
      26              :  * 
      27              :  * This program is distributed in the hope that it will be useful,
      28              :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      29              :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
      30              :  * GNU Lesser General Public License for more details.
      31              :  */
      32              : 
      33              : #ifndef __LIBMESH_LOADER_OBJ__
      34              : #define __LIBMESH_LOADER_OBJ__
      35              : 
      36              : #include <vector>
      37              : #include <string>
      38              : #include "../../math/ugmath.h"
      39              : 
      40              : namespace ug
      41              : {
      42              : 
      43              : /// \addtogroup ugbase_common_util
      44              : /// \{
      45              : 
      46              : class LoaderObj
      47              : {
      48              :         public:
      49              :                 class Object
      50              :                 {
      51              :                         public:
      52            0 :                                 Object() : m_iMaterialIndex(-1) {}
      53              : 
      54              :                                 std::string     m_strName;
      55              :                                 std::string     m_strMaterialName;
      56              :                                 int                     m_iMaterialIndex;
      57              :                                 std::vector<int>        m_vQuadList;
      58              :                                 std::vector<int>          m_vTriangleList;
      59              :                                 std::vector<int>        m_vQuadListTex;
      60              :                                 std::vector<int>          m_vTriangleListTex;
      61              :                                 std::vector<int>          m_vEdgeList;
      62              :                 };
      63              : 
      64            0 :                 class Material
      65              :                 {
      66              :                         public:
      67              :                                 std::string     m_strName;
      68              :                                 std::string     m_strTextureDiffuse;
      69              :                                 ug::vector4             m_vDiffuse;
      70              :                                 float                   m_fAlpha;
      71              :                 };
      72              : 
      73              :                 typedef std::vector<Object*>      ObjectVector;
      74              :                 typedef ObjectVector::iterator  ObjectIterator;
      75              :                 typedef std::vector<Material>     MaterialVector;
      76              : 
      77              :                 ~LoaderObj();
      78              :                 bool load_file(const char* strFilename, bool convertQuadsToTris = true);
      79              :                 void clear();
      80              : 
      81              :                 inline ObjectIterator objects_begin()   {return m_vObjects.begin();}
      82              :                 inline ObjectIterator objects_end()             {return m_vObjects.end();}
      83              :                 inline int num_objects() const  {return m_vObjects.size();}
      84              :                 inline const Object* get_object(int index) const {return m_vObjects[index];};
      85              : 
      86            0 :                 inline int num_materials() const {return m_vMaterials.size();}
      87            0 :                 inline const Material& get_material(int index) const {return m_vMaterials[index];}
      88              : 
      89              :                 inline std::vector<ug::vector3>::const_iterator points_begin()    {return m_vPoints.begin();}
      90              :                 inline std::vector<ug::vector3>::const_iterator points_end()      {return m_vPoints.end();}
      91            0 :                 inline const ug::vector3* point(int index) const                                {return &m_vPoints[index];}
      92            0 :                 inline int num_points()                                                                         {return m_vPoints.size();}
      93              : 
      94              :                 inline std::vector<ug::vector2>::const_iterator uv_begin()        {return m_vTexCoords.begin();}
      95              :                 inline std::vector<ug::vector2>::const_iterator uv_end()  {return m_vTexCoords.end();}
      96            0 :                 inline const ug::vector2* uv(int index) const                           {return &m_vTexCoords[index];}
      97              :                 inline int num_uvs()                                                                            {return m_vTexCoords.size();}
      98              : 
      99              :         protected:
     100              :                 int get_material_index_by_name(const char* name) const;
     101              : 
     102              :                 ObjectVector    m_vObjects;
     103              :                 MaterialVector  m_vMaterials;
     104              : 
     105              :                 std::vector<ug::vector3>  m_vPoints;
     106              :                 std::vector<ug::vector2>  m_vTexCoords;
     107              : };
     108              : 
     109              : // end group ugbase_common_util
     110              : /// \}
     111              : 
     112              : }
     113              : 
     114              : #endif