globalEnvironmentObjSR.h

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/*******************************************************************************
** Copyright (c) 2009 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/
/*******************************************************************************
** $RCSfile: globalEnvironmentObjSR.h,v $ $Revision: 1.1 $ $State: Exp $
*******************************************************************************/


#ifndef globalEnvironmentObjSR_h
#define globalEnvironmentObjSR_h

#include <vrfExtObjects/vrfExtObjectsDefines.h>
#include <vl/envProcessSR.h>

class DT_DLL_vrfExtObjects DtGlobalEnvironmentObjectRepository : public DtEnvironmentProcessRepository
{
public:
   DtGlobalEnvironmentObjectRepository();
   static DtEnvironmentProcessRepository* create();

   // Utility to compare this repository against a remote estimate
   // Returns True is an update should be sent; False otherwise
   virtual bool sendNeeded(const DtEnvironmentProcessRepository& asSeenByRemote);

   void setClock(DtClock* clock);
   DtClock* clock() const;

   double lastUpdateTime() const;
   void setLastUpdateTime(DtTime t);

protected:

   virtual bool sendRecordsNeeded(const DtEnvironmentProcessRepository& asSeenByRemote);
   virtual bool sendWeatherRecNeeded(DtTime dt, DtNetEnvironmentalRecord* rec, DtNetEnvironmentalRecord* recRemote);
   virtual bool sendNetRecNeeded(DtNetEnvironmentalRecord* rec1, DtNetEnvironmentalRecord* rec2);

protected:
   // Helpers for send-side dead reckoning (used to limit #updates sent)
   DtClock* myClock;
   DtTime myLastUpdateTime;
};

#endif