DtTritonGroup.h

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/******************************************************************************
** Copyright (c) 2013 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#pragma once

#include <vrvTriton/vrvTriton.h>

#include <osg/Camera>
#include <osg/Group>

namespace osg { class NodeVisitor; }

namespace makVrv
{
   class DtDe;
   class DtOsgCullVisitorParameters;

   class DT_DLL_VRVTRITON DtTritonGroup : public osg::Group
   {
   public:
      enum TraversalState
      {
         TraverseAlways,
         TraverseNever,
         TraverseAboveDisplayRange,
         TraverseBelowDisplayRange
      };
      DtTritonGroup(DtDe& de, double displayRange);

      DtTritonGroup(const DtTritonGroup& obj,const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);

      virtual void traverse(osg::NodeVisitor& nv);

      virtual void setElevationRange(double newRange);

      virtual void setTraversalState( TraversalState state );

   protected:
      virtual void doDynamicWaterVisibility( double altitude, 
         const DtOsgCullVisitorParameters* cullParams ) const;

      virtual void resetFogState(osg::ref_ptr<osg::Camera> camera);

      virtual void setReflectionState(bool enabled);

   protected:
      double myDisplayRange;
      TraversalState myTraversalState; 
      DtDe& myDe;
      bool myDynamicWaterVisibility;
      bool myFirstTraversalFlag;
   };
}