include/vrfmodel/surfEntFolwCtl.h

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/*******************************************************************************
** Copyright (c) 2007 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/
/*******************************************************************************
** $RCSfile: surfEntFolwCtl.h,v $ $Revision: 1.21 $ $State: Exp $
*******************************************************************************/




#ifndef DtSurfEntFollowEntityController_H_
#define DtSurfEntFollowEntityController_H_

#include "vrfmodel/surfEntMvToCtl.h"

class DtSimManager;
class DtSimMessage;



#include "vrfmodel/vrfmodelDefines.h"
class DT_DLL_vrfmodel DtSurfaceEntityFollowEntityController : 
   public DtSurfaceEntityMoveToController
{

public:

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

   virtual ~DtSurfaceEntityFollowEntityController();

   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);

   virtual void registerTaskMsgCallbacks();

   virtual bool setupControlPoint();

   virtual void tick();

   virtual void matchFollowedEntity();

   virtual double findDesiredSpeed();

   virtual void setupGoalVector(const DtVector & goalPosition);

   virtual bool passedGoal();

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

   virtual void doMoving (double desiredSpeed);

protected:
   DtSurfaceEntityFollowEntityController();

   DtSurfaceEntityFollowEntityController(
      const DtSurfaceEntityFollowEntityController & orig);

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

protected:

   DtVrfObject* myEntityPointer;

};
#endif