X3DLightNode.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 __X3DLIGHTNODE_H__
#define __X3DLIGHTNODE_H__

#include "X3DChildNode.h"
#include "H3DDisplayListObject.h"
#include "H3DRenderStateObject.h"
#include "SFFloat.h"
#include "SFColor.h"

namespace H3D {

  class H3DAPI_API X3DLightNode : 
    public X3DChildNode,
    public H3DDisplayListObject,
    public H3DRenderStateObject {
  public:
     
    X3DLightNode( Inst< SFNode >  _metadata         = 0,
                  Inst< SFFloat>  _ambientIntensity = 0,
                  Inst< SFColor>  _color            = 0,
                  Inst< SFFloat>  _intensity        = 0,
                  Inst< SFBool >  _on               = 0 );

    virtual void enableGraphicsState();

    virtual void disableGraphicsState();
  
    auto_ptr< SFFloat >  ambientIntensity;

    auto_ptr< SFColor >  color;

    auto_ptr< SFFloat >  intensity;

    auto_ptr< SFBool  >  on;

    static H3DNodeDatabase database;

  protected:
    GLuint light_index;
    GLint max_lights;
    static GLuint global_light_index;
  };
}

#endif

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