vrfObjectNavInterface.h

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/*******************************************************************************
** Copyright (c) 2015 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/


#pragma once

#include "vrfobjcore/vrfobjcoreDefines.h"
#include "vrfobjcore/vrfObjectReference.h"
#include "vrfutil/factoryTemplate.h"
#include <readerWriter/noArgumentCallbackList.h>

class DtNavArea;

class DT_DLL_vrfobjcore DtVrfObjectNavInterface
{
private:
   DtVrfObjectNavInterface();
   DtVrfObjectNavInterface(const DtVrfObjectNavInterface& orig);
   DtVrfObjectNavInterface& operator=(const DtVrfObjectNavInterface& orig);

public:
   //static DtVrfObjectNavInterface* create(DtVrfObject* vrfObject);

   virtual bool ableToNavigate() const;

protected:
   DtVrfObjectNavInterface(DtSharedVrfObjectReference vrfObject);
   virtual bool init();

public:

   virtual void postObjectInit() {};

   virtual void tick();
   virtual void firstTick();

   virtual ~DtVrfObjectNavInterface() = 0;

   virtual void addNavAreaChangedCallback(DtNoArgumentCallbackList::DtCallbackFunctionType callback, void* usr) const;
   virtual void removeNavAreaChangedCallback(DtNoArgumentCallbackList::DtCallbackFunctionType callback, void* usr) const;
   virtual void invokeNavAreaChangedCallbacks();

   virtual void changingNavArea(DtNavArea* newNavArea);

protected:
   virtual bool isCollidableWhenDestroyed() const;

protected:
   DtSharedVrfObjectReference myVrfObject;
   bool myFirstTick;
   DtNavArea* myCurrentNavArea;

   mutable DtNoArgumentCallbackList myChangedNavAreaCallbackList;
};