HoudiniGeo.h

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/*
  Copyright (C) 2009 Jon Macey

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
#ifndef __HOUDINI_GEO_H__
#define __HOUDINI_GEO_H__
// must include types.h first for ngl::Real and GLEW if required
#include "Types.h"
#include "AbstractMesh.h"
#include <map>

namespace ngl
{

//----------------------------------------------------------------------------------------------------------------------
//----------------------------------------------------------------------------------------------------------------------
class NGL_DLLEXPORT HouDictionaryEntry
{
  public :
    //----------------------------------------------------------------------------------------------------------------------
    //----------------------------------------------------------------------------------------------------------------------
    std::string m_name;
    //----------------------------------------------------------------------------------------------------------------------
    //----------------------------------------------------------------------------------------------------------------------
    int m_size;
    //----------------------------------------------------------------------------------------------------------------------
    //----------------------------------------------------------------------------------------------------------------------
    std::string m_type;
    //----------------------------------------------------------------------------------------------------------------------
    //----------------------------------------------------------------------------------------------------------------------
    int m_relIndex;
    //----------------------------------------------------------------------------------------------------------------------
    //----------------------------------------------------------------------------------------------------------------------
    HouDictionaryEntry(
                       std::string _name,
                       int _size,
                       std::string _type,
                       int _relIndex
                      ):
                        m_name(_name),
                        m_size(_size),
                        m_type(_type),
                        m_relIndex(_relIndex){;}
    //----------------------------------------------------------------------------------------------------------------------
    //----------------------------------------------------------------------------------------------------------------------
    inline void print(){
      std::cerr<<m_name<<" "<<m_size<<" "<<m_type<<" "<<m_relIndex<<std::endl;
    }
 };
//----------------------------------------------------------------------------------------------------------------------


//----------------------------------------------------------------------------------------------------------------------
//----------------------------------------------------------------------------------------------------------------------

class NGL_DLLEXPORT HoudiniGeo : public AbstractMesh
{
public:


    //----------------------------------------------------------------------------------------------------------------------
    //----------------------------------------------------------------------------------------------------------------------
    HoudiniGeo(){;}

    //----------------------------------------------------------------------------------------------------------------------
    //----------------------------------------------------------------------------------------------------------------------
    HoudiniGeo(
               const std::string& _fName
              );

    //----------------------------------------------------------------------------------------------------------------------
    //----------------------------------------------------------------------------------------------------------------------
    HoudiniGeo(
               const std::string& _fName,
               const std::string& _texName
              );
    //----------------------------------------------------------------------------------------------------------------------
    //----------------------------------------------------------------------------------------------------------------------
    void drawDebugPoints();

protected :
    //----------------------------------------------------------------------------------------------------------------------
    //----------------------------------------------------------------------------------------------------------------------
    int m_nPointAttrib;
    //----------------------------------------------------------------------------------------------------------------------
    //----------------------------------------------------------------------------------------------------------------------
    int m_nVertAttrib;
    //----------------------------------------------------------------------------------------------------------------------
    //----------------------------------------------------------------------------------------------------------------------
    int m_normalTokenIndex;
    //----------------------------------------------------------------------------------------------------------------------
    //----------------------------------------------------------------------------------------------------------------------
    int m_uvTokenIndex;
    //----------------------------------------------------------------------------------------------------------------------
    //----------------------------------------------------------------------------------------------------------------------
    std::map <std::string,HouDictionaryEntry *> m_dictionary;
    //----------------------------------------------------------------------------------------------------------------------
    //----------------------------------------------------------------------------------------------------------------------
    bool loadHeader(
                    std::ifstream& _stream
                   );
    //----------------------------------------------------------------------------------------------------------------------
    //----------------------------------------------------------------------------------------------------------------------
    void loadPointAttribDictionary(
                                    std::ifstream& _stream
                                  );


    //----------------------------------------------------------------------------------------------------------------------
    //----------------------------------------------------------------------------------------------------------------------
    bool load(
              const std::string &_fName,
              bool _calcBB=true
             );
    //----------------------------------------------------------------------------------------------------------------------
    //----------------------------------------------------------------------------------------------------------------------
    void loadPoints(
                    std::ifstream& _stream
                   );

};

}// end namespace
#endif // HOUDINIGEO_H
//----------------------------------------------------------------------------------------------------------------------