DtScribeBoxModelInstance.h

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/******************************************************************************
** Copyright (c) 2018 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#pragma once

#include <vrvOsg/vrvOsg.h>
#include <vrvOsg/DtOsgModelInstance.h>

#include <osg/Group>
#include <osg/Geode>

namespace makVrv
{
   class DtDe;
   class DtSceneObject;

   class DT_DLL_VRVOSG DtScribeBoxModelInstance : public DtOsgModelInstance
   {
   public:
      DtScribeBoxModelInstance(DtDe& de, const std::string& uniqueName);

      ~DtScribeBoxModelInstance();

      virtual void  addToConnector(DtOsgSceneConnector* connector);

      virtual bool removeFromConnector(DtOsgSceneConnector* connector);

      virtual void drawBox();

      virtual void setColor(const osg::Vec4& color);
      virtual void setLineWidth(double lineWidth);

      virtual void setParentSceneObject(const DtUniqueID& sceneObj);

      virtual void setVisible(bool isVisible) {}

      virtual void setOccluded(bool);

      virtual void setLineSmoothing(bool);

      virtual void slot_atcGlobalModelEnableChanged();

   protected:
      void setNodeCullAndBin(osg::Node* n, bool isTransparent);
      void updateScribeBoxSize();
      void updateLineSmoothing();
      void updateScribeBoxLineWidth();
      void updateScribeBoxColor();
      DtSceneObject* parentSceneObject();
      osg::Geometry* scribeBox(const osg::Vec3& center, float lengthX,
         float lengthY, float lengthZ);

      virtual void resetGeode();

   protected:

      osg::ref_ptr<osg::Group> myGroup;
      osg::ref_ptr<osg::Geode> myShapeGeode;
      osg::Vec4 myColor;
      double myLineWidth;
      std::string myUniqueName;
      DtUniqueID myParentSceneObject;
      bool myOccluded;
      bool myLineSmoothing;

      //  When the class is destructed, the scene object may or may not 
      // exist.  Using a separate connection variable makes it possible to
      // 'disconnect' even if the scene object has been deleted.
      boost::signalslib::connection myParentSceneObjectConnection;
      boost::signalslib::connection myBoundingVolumeConnection;
   };
}