priorityUpdater.h

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/*******************************************************************************
** Copyright (c) 2014 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/


#pragma once

#include <vrfGuiCore/vrfGuiCore.h>
#include <vrvCore/DtUniqueID.h>
#include <vrvCore/DtTickable.h>

#include <vrvUtil/signalslib.h>

namespace makVrv
{
   class DtSceneObject;
   class DtSceneObjectAgent;
   class DtDe;
   class DtModel;
}

namespace makVrf
{
   class DT_DLL_VRFGUICORE DtPriorityUpdater : public makVrv::DtTickable
   {
   public:
      DtPriorityUpdater(makVrv::DtDe& de, makVrv::DtUniqueID id);

      virtual ~DtPriorityUpdater();

      virtual void setPriority(unsigned int);

      virtual void setSceneObject(makVrv::DtSceneObject*);

   protected:
      virtual void update( DtTime tNow );

      virtual bool needsUpdate( DtTime tNow );

      virtual void slot_sceneObjectToBeDeleted( const makVrv::DtUniqueID& id );

      virtual void updatePriorityForModel(makVrv::DtModel*);

   protected:
      makVrv::DtDe& myDe;
      makVrv::DtUniqueID myUniqueID;
      makVrv::DtSceneObject* mySceneObject;
      unsigned int myPriority;
      unsigned int myLastMaxPriority;
      unsigned int myLastSceneObjectSize;

      static unsigned int theMaxPriority;

      boost::signals2::connection mySceneObjectConnection;
   };
}