navInterfaceManager.h

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


#pragma once

#include "vrfobjcore/vrfobjcoreDefines.h"
#include "vrfobjcore/vrfObjectNavInterface.h"
#include "vrfobjcore/simObjectReference.h"
#include <readerWriter/noArgumentCallbackList.h>
#include <vrfNavigation/navBot.h>

class DtNavArea;
class DtSimulationServices;

struct DtNavPathEvalFunction
{
   DtNavPathEvalFunction(DtNavBot::NavBotPathLocationEvalFcn f, void* u) : fcn(f), userData(u) {};

   DtNavBot::NavBotPathLocationEvalFcn fcn;
   void* userData;
};

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

public:
   
   DtNavInterfaceManager(DtLocalObject* vrfObject);
   DtNavInterfaceManager(DtSimObjectReference vrfObject);
   
   virtual ~DtNavInterfaceManager();

   DtVrfObjectNavInterface* primaryNavInterface();
   const DtVrfObjectNavInterface* primaryNavInterface() const;

   virtual bool init();

   virtual bool postObjectInit();

   virtual void tick();

   virtual bool updateNavInterfaces(bool removingPrimaryArea = false);

   virtual void setNavigationEnabled(bool);
   bool navigationEnabled() const;

   DtNavPathEvalFunction navigationPathEvalFunction() const;
   void setNavigationPathEvalFunction(const DtNavPathEvalFunction& eval);

protected:
   static void areaAboutToBeRemovedCallback(DtNavArea*, void* usr);
   virtual void processAreaAboutToBeRemoved(DtNavArea*);

protected:
   DtLocalObject* myVrfObject;
   DtSimObjectReference mySimObjectReference;

   DtNavArea* myPrimaryNavArea;
   DtVrfObjectNavInterface* myPrimaryNavInterface;

   std::vector<DtNavArea*> mySecondaryNavAreas;
   std::map<DtNavArea*, DtVrfObjectNavInterface*> mySecondaryNavInterfaces;

   bool myNavigationEnabled;
   DtNavPathEvalFunction myNavigationPathEval;

   DtString myNavProfile;
   bool myNeedsPostObjectInit;
   DtSimulationServices* mySimulationServices;
};