include/vrfmodel/gndFollwCtl.h

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/*******************************************************************************
** Copyright (c) 2003 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/
/*******************************************************************************
** $RCSfile: gndFollwCtl.h,v $ $Revision: 1.31 $ $State: Exp $
*******************************************************************************/




#ifndef DtGroundFollowEntityController_H_
#define DtGroundFollowEntityController_H_


#include "vrfmodel/gndMvToDestinationCntlr.h"

#include <vlutil/vlString.h>
#include <matrix/vlVector.h>

class DtSimManager;
class DtSimMessage;
class DtStringOutputPort;


#include "vrfmodel/vrfmodelDefines.h"
class DT_DLL_vrfmodel DtGroundFollowEntityController : public DtGroundMoveToDestinationControllerComponent
{

public:

   DtGroundFollowEntityController(const DtString& name, 
      DtVrfObject* owner,
      DtSimManager* simManager, 
      DtComponentDescriptor* desc = 0,
      DtReaderWriterRegistry* parentRegistry = 0);

   virtual ~DtGroundFollowEntityController();

   virtual DtString type() const;


   static void followEntityCallback(DtSimMessage* msg, void* usrData);

   virtual void processFollowEntityTask(DtSimMessage* msg);

   virtual const DtString& entityToFollow();
   virtual void setEntityToFollow(const DtString& entity);

   virtual const DtVector& offsetVector() const;
   virtual void setOffsetVector(const DtVector& offsets);

   static DtSimComponent * creator(const DtString& name, 
      DtVrfObject* owner,
      DtSimManager* simManager, 
      DtComponentDescriptor* desc = 0,
      DtReaderWriterRegistry* parentRegistry = 0);

   virtual void registerTaskMsgCallbacks();

   virtual bool setupDestination();

   virtual bool passedDestination();

   virtual double findDesiredSpeed();

   virtual double findDesiredHeading();
   
   virtual void setupDestinationVector() const;

   virtual DtAutoTransmissionGear determineGearSetting();
  
   virtual void stop();

protected:
   DtGroundFollowEntityController();

   DtGroundFollowEntityController(const DtGroundFollowEntityController & 
      orig);

   const DtGroundFollowEntityController & operator=(const 
      DtGroundFollowEntityController & orig);

   bool createPorts();

protected:

   DtVrfObject* myEntityPointer;
   DtStringOutputPort * myFollowEntityOutputPort;
};

#endif