DtIndirectGeoComputeBoundCallback.h

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/******************************************************************************
** Copyright (c) 2018 VT-MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#pragma once

#include <vrvCore/DtDe.h>

#include <vrvUtil/DtVirtualBaseClass.h>

#include <osg/Drawable>
#include <osg/ComputeBoundsVisitor>

namespace makVrv
{
   class DtCellIndirectGeo;

   class DtIndirectGeoComputeBoundCallback : public osg::Drawable::ComputeBoundingBoxCallback
   {
   public:
      DtIndirectGeoComputeBoundCallback(DtCellIndirectGeo* provider);

      DtIndirectGeoComputeBoundCallback(const DtIndirectGeoComputeBoundCallback& rhs, const osg::CopyOp& copyop);
   
      DtIndirectGeoComputeBoundCallback &operator=(const DtIndirectGeoComputeBoundCallback &other);
   
   private:
      //Default constructor not implemetned
      DtIndirectGeoComputeBoundCallback();

   public:
      virtual osg::BoundingBox computeBound(const osg::Drawable& drawable) const;
  
   protected:
      const DtCellIndirectGeo* myProvider;
   
   };

   class DtIndirectGeoComputeBoundCallbackCreator : public DtVirtualBaseClass
   {
   public:
      DtIndirectGeoComputeBoundCallbackCreator(DtDe &de);

      virtual ~DtIndirectGeoComputeBoundCallbackCreator();

   private:
      DtIndirectGeoComputeBoundCallbackCreator(const DtIndirectGeoComputeBoundCallbackCreator &other);
      DtIndirectGeoComputeBoundCallbackCreator &operator=(const DtIndirectGeoComputeBoundCallbackCreator &other);

   public:
      virtual osg::Drawable::ComputeBoundingBoxCallback* create(DtCellIndirectGeo* provider) const;

      static DtIndirectGeoComputeBoundCallbackCreator& instance(DtDe& de);

      static const std::string& theClassName();

   protected:
      DtDe& myDe;
   };
}