TwoSidedMaterial.h

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//    Copyright 2004, SenseGraphics AB
//
//    This file is part of H3D API.
//
//    H3D API 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 2 of the License, or
//    (at your option) any later version.
//
//    H3D API 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 H3D API; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
//    A commercial license is also available. Please contact us at 
//    www.sensegraphics.com for more information.
//
//
//
#ifndef __TWOSIDEDMATERIAL_H__
#define __TWOSIDEDMATERIAL_H__

#include "X3DMaterialNode.h"
#include "SFFloat.h"
#include "SFColor.h"

namespace H3D {

  class H3DAPI_API TwoSidedMaterial : public X3DMaterialNode {
  public:

    TwoSidedMaterial( Inst< DisplayList > _displayList   = 0,
                      Inst< SFFloat >  _ambientIntensity = 0,
                      Inst< SFColor >  _diffuseColor     = 0,
                      Inst< SFColor >  _emissiveColor    = 0,
                      Inst< SFNode  >  _metadata         = 0,
                      Inst< SFFloat >  _shininess        = 0,
                      Inst< SFColor >  _specularColor    = 0,
                      Inst< SFFloat >  _transparency     = 0,
                      Inst< SFFloat >  _backAmbientIntensity = 0,
                      Inst< SFColor >  _backDiffuseColor     = 0,
                      Inst< SFColor >  _backEmissiveColor    = 0,
                      Inst< SFFloat >  _backShininess        = 0,
                      Inst< SFColor >  _backSpecularColor    = 0,
                      Inst< SFFloat >  _backTransparency     = 0,
                      Inst< SFBool  > _separateBackColor     = 0);

    virtual void render();

    virtual void preRender() {
      glPushAttrib( GL_COLOR_BUFFER_BIT | GL_LIGHTING_BIT );
    }

    virtual void postRender() {
      glPopAttrib();
    }
    
    virtual bool isTransparent() {
      return transparency->getValue() > 0 ||
        (separateBackColor->getValue() && backTransparency->getValue() > 0);
    }
    
    auto_ptr< SFFloat >  ambientIntensity;

    auto_ptr< SFColor >  diffuseColor;

    auto_ptr< SFColor >  emissiveColor;
    
    auto_ptr< SFFloat >  shininess;

    auto_ptr< SFColor >  specularColor;

    auto_ptr< SFFloat >  transparency;

    auto_ptr< SFFloat >  backAmbientIntensity;

    auto_ptr< SFColor >  backDiffuseColor;


    auto_ptr< SFColor >  backEmissiveColor;
    
    auto_ptr< SFFloat >  backShininess;


    auto_ptr< SFColor >  backSpecularColor;

    auto_ptr< SFFloat >  backTransparency;

    auto_ptr< SFBool >  separateBackColor;

    static H3DNodeDatabase database;
  };
}

#endif

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