coverPointNavInterface.h

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/*******************************************************************************
** Copyright (c) 2019 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/


#pragma once

#include "vrfobjcore/vrfobjcoreDefines.h"
#include "vrfobjcore/vrfObjectNavInterface.h"
#include "matrix/vlVector.h"

class DtVrfObject;
class DtNavArea;
class DtString;
struct DtInputNavTag;



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

public:
   static DtVrfObjectNavInterface* create(DtSharedVrfObjectReference vrfObject);

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

public:

   virtual ~DtCoverPointNavInterface();

   virtual void postObjectInit();

   virtual void tick();

   virtual DtNavArea* navArea();

protected:

   virtual void changingNavArea(DtNavArea* newNavArea);

   static void verticesChangedCallback(const DtVrfObject* obj, void* usr);
   virtual void processVerticesChanged(const DtVrfObject* obj);

   bool createCoverPoint();

   bool coverPointCreationComplete();

   void removeCoverPoint();

   bool adjustToNearestVertexLinkPoint(const DtString&, const double, const double, const DtVector&, DtVector&) const;

protected:
   DtNavArea* myNavArea;
   DtNavArea* myNewNavArea;
   bool myUpdatePointsRequired;
   bool myChangingNavArea;
   bool myCreationInProgress;
   unsigned myCoverPointIndex;

};