DtOsgMultiRibbon.h

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/******************************************************************************
** Copyright (c) 2020 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#pragma once

#include <vrvOsg/DtOsgRibbon.h>

#include <vrvUtil/DtVirtualBaseClass.h>

#include <vector>

namespace osg { class Node; class Group; }

namespace makVrv
{
   class DT_DLL_VRVOSG DtOsgMultiRibbon : public DtOsgRibbon
   {
   public:
      typedef std::vector<DtOsgRibbon*> RibbonSet;

      typedef std::vector<osg::ref_ptr<DtOsgRibbon> > RibbonRefPtrSet;

   protected:
      DtOsgMultiRibbon(DtDe& de);

      friend class DtOsgMultiRibbonCreator;

      virtual ~DtOsgMultiRibbon();
      
   private:
      DtOsgMultiRibbon() = delete;
      DtOsgMultiRibbon(const DtOsgMultiRibbon&) = delete;
      DtOsgMultiRibbon &operator=(const DtOsgMultiRibbon&) = delete;
      
   public:
      virtual osg::Node* node() override;

      virtual void setDroppedPointsPositionOffset(const osg::Vec3d& posOffset) override;

      virtual void update(double dt, double simTime) override;

      virtual void addRibbon(DtOsgRibbon* ribbon);

   protected:
      virtual void addParticle(osg::Vec3d const& left, osg::Vec3d const& right,
         double simTime) override;

      virtual float currentSegmentLength() override;

      virtual void cleanupOldSegments(double simTime);

      virtual void extendCurrentSegment(osg::Vec3d const& left,
         osg::Vec3d const& right, double simTime) override;

      virtual osg::Drawable* getDrawable() override;

   protected:

      RibbonRefPtrSet myRibbons;

      osg::ref_ptr<osg::Group> myNode;
   };

   //
   // Creator for DtOsgMultiRibbons
   //
   class DT_DLL_VRVOSG DtOsgMultiRibbonCreator : public DtVirtualBaseClass
   {
   public:
      DtOsgMultiRibbonCreator();

      virtual ~DtOsgMultiRibbonCreator();

      static DtOsgMultiRibbonCreator& instance(DtDe& de);

      static void registerInstance(DtDe& de, DtOsgMultiRibbonCreator* creator);

      virtual DtOsgMultiRibbon* create(DtDe& de);
   };
}