DtFxParticleSystemPositionUpdater.h

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/*******************************************************************************
** Copyright (c) 2021 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/

#pragma once


#include <vrvFx/vrvFx.h>

#include <matrix/vlVector.h>

// Linux needs these includes
#include <osg/MatrixTransform>
#include <osg/NodeVisitor>

namespace makVrv
{
   class DtOsgParticleSystemEffect;
   class DtFxParticleSystem;
   class DtOsgArticulatedModel;
   class DtOsgSceneConnector;
   class DtSceneObject;

   class DT_DLL_VRVFX DtFxParticleSystemPositionUpdater : public osg::MatrixTransform
   {
   public:
      DtFxParticleSystemPositionUpdater(DtDe& de, DtFxParticleSystem* system, DtOsgSceneConnector* connector);
      virtual ~DtFxParticleSystemPositionUpdater();
      virtual void traverse(osg::NodeVisitor& nv);
      virtual void setSystem(DtFxParticleSystem* system);
      virtual void setArtPart(int artPart);
      virtual void setOffset(DtVector offset);
      virtual void setStartEmit(bool autoEmit);
      bool startEmit();
      virtual void setLifetime(double seconds);

   private:
       DtFxParticleSystemPositionUpdater(const DtFxParticleSystemPositionUpdater &other);
       DtFxParticleSystemPositionUpdater &operator=(const DtFxParticleSystemPositionUpdater &other);

   protected:
      virtual void lookupArticulatedModel();

      DtVector computeWorldOffset();

   protected:
      DtDe& myDe;
      DtFxParticleSystem* mySystem;
      DtOsgSceneConnector* myConnector;
      DtOsgArticulatedModel* myArticulatedModel;
      const DtSceneObject* mySceneObject;
      bool myStartEmitting;
      int myArtPart;
      DtVector myOffset;
      bool myInitted;
      bool myPartMissing;

      double myCreatedSimulationTime;
      double myLifetime;
   };
}