circleVisualHandler.h

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/******************************************************************************
** Copyright (c) 2023 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/

//\file CircleVisualHandler.h
//\ingroup vrfGuiCore
//\brief Contains makVrv::CircleVisualHandler class. A simple handler
//\that creates ellipse agent used to
//\draw an ellipse based around the selected entity's location.
#pragma once

#include <vrvCore/DtUniqueID.h>
#include <vrvCore/DtModelSetEnums.h>

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

namespace makVrv
{
   class DtDe;
   class DtBaseConnection;
   class DtStateListener;
   class DtOverlayEllipseArcModelAgent;
   class DtEllipsoidArcModelAgent;
   class DtSceneObjectAgent;
}

class Circle;

namespace makVrf
{
   class DtAttachableUpdaterWithLevelOrientationAgent;
}

namespace makVrfUnitStatusExample
{
   class CircleVisualHandler
   {
   public:
      CircleVisualHandler(makVrv::DtDe&, makVrv::DtUniqueID id);
      virtual ~CircleVisualHandler();

      //\brief Called to update the circle with latest position
      virtual void update(const DtVector & geoc);

      //Will depend on the model set in use. 
      //The model set is an interger value that describes the current observer model set.
      //0-4 will correspond to 3D versions so we will want to use the 3D version of the ellipse
      //otherwise we use the 2D version
      virtual void update2D(makVrv::DtModelSetId modelSet);
      virtual void update3D(makVrv::DtModelSetId modelSet); 
      static std::string handlerType();
      virtual void init();

   protected:
      makVrv::DtDe& myDe;
      makVrv::DtUniqueID   myUniqueId;
      //This is the base scene object
      makVrv::DtSceneObjectAgent * mySceneObject; 
      //This is the agent we attach to the scene object to actually draw the object in the scene 
      //Whether we use 2D or 3D will depend on what model set we are using
      makVrv::DtOverlayEllipseArcModelAgent* my2DEllipseAgent;
      makVrv::DtEllipsoidArcModelAgent*      my3DEllipseAgent;      
      //Need to make sure we recreate 3dEllipse agent if we switch observer modes
      makVrv::DtModelSetId                   my3DModelSet; 
      makVrv::DtBaseConnection*              mySimulation;

      makVrf::DtAttachableUpdaterWithLevelOrientationAgent* myLevelAgent;
   };

   class CircleVisualHandlerCreator
   {
   public:
      virtual ~CircleVisualHandlerCreator();

      virtual CircleVisualHandler* create(makVrv::DtDe&, makVrv::DtUniqueID);
   };
}