DtHeightMapDrawable.h

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/******************************************************************************
** Copyright (c) 2020 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#pragma once

#include <vrvOsg/vrvOsg.h>

#include <vrvCore/DtVirtualBaseClassCreator.h>

#include <osg/Drawable>

namespace makVrv
{
   class DtHeightMapManager;
   class DtHeightMapSuperManager;

   class DtHeightMapDrawable;

   typedef DtVirtualBaseClassCreator<DtHeightMapDrawable, DtHeightMapSuperManager*> DtHeightMapDrawableCreator;

   template <>
   inline const char* creatorTypeName<DtHeightMapDrawable>(void) { return "DtHeightMapDrawableCreator"; }

   class DT_DLL_VRVOSG DtHeightMapDrawable : public osg::Drawable
   {
   public:
      friend DtHeightMapDrawableCreator;

      virtual ~DtHeightMapDrawable();

   protected:
      DtHeightMapDrawable(makVrv::DtDe& de, DtHeightMapSuperManager* manager);

   private:
      DtHeightMapDrawable() = delete;

      DtHeightMapDrawable(const DtHeightMapDrawable &other) = delete;

      DtHeightMapDrawable &operator=(const DtHeightMapDrawable &other) = delete;

   public:

      virtual bool isSameKindAs(const Object* obj) const;

      virtual Object* cloneType() const;

      virtual Object* clone(const osg::CopyOp& copyop) const;

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

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

      virtual DtHeightMapManager *getOrCreateHeightMapManager(osg::RenderInfo& renderInfo);

   protected:

      virtual void cleanup(void);

      virtual void flushInvalidCameras();

   protected:

      makVrv::DtDe& myDe;

      DtHeightMapSuperManager* myHeightMapSuperManager;

      typedef std::map< osg::GraphicsContext*, void* > ContextToHandleMap;
   };
}