include/vrvOsg/DtSkyDrawable.h

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/****************************************************************************** 
** Copyright (c) 2008 MAK Technologies, Inc. 
** All rights reserved. 
******************************************************************************/ 
/****************************************************************************** 
** $RCSfile: DtSkyDrawable.h,v $ $Revision: 1.15 $ $State: Exp $ 
******************************************************************************/ 


#ifndef DtSkyDrawable_H_
#define DtSkyDrawable_H_

#include <vrvOsg/vrvOsg.h>
#include <vrvUtil/DtVirtualBaseClass.h>
#include <osg/Drawable>

namespace SilverLining
{
   class Atmosphere;
}

namespace makVrv
{
   class DtSilverliningGroup;

   class DT_DLL_VRVOSG DtSkyDrawable : public osg::Drawable
   {

   public:

      friend class DtSkyDrawableCreator;

      DtSkyDrawable(const DtSkyDrawable& copy, const osg::CopyOp& copyop);

      virtual ~DtSkyDrawable();

      META_Object(vrvOsg,DtSkyDrawable)

      
      void setGeocentricMode(bool mode);

      virtual void drawImplementation(osg::RenderInfo& renderInfo) const;

      void setFogBlend(osg::Vec4f rgbA,float density);

      const osg::Vec4f& fogColor() const;

      float fogDensity() const;

      virtual void releaseGLObjects(osg::State* state=0) const;

      void setSkyBoxSize(double size);

   protected:

      DtSkyDrawable(DtSilverliningGroup* parent = 0); 

   protected:

      DtSilverliningGroup* myParent;
      bool myGeocentricFlag;
      osg::Vec4f myFogColor;
      float myFogDensity;
      double myBoxSize;
   };

   class DT_DLL_VRVOSG DtSkyDrawableCreator : public DtVirtualBaseClass
   {
   public:

      static DtSkyDrawableCreator& instance(DtDe& de);

      static void registerInstance(DtDe& de, DtSkyDrawableCreator* anInstance);     

      virtual DtSkyDrawable* create(DtSilverliningGroup* parent);
   };

}

#endif