TrackProcessorUserActionPassBack.h

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/*
  Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef ISF_GEANT4TOOLS_TRACKPROCESSORUSERACTIONPASSBACK_H
#define ISF_GEANT4TOOLS_TRACKPROCESSORUSERACTIONPASSBACK_H
 
#include "TrackProcessorUserActionBase.h"
 
#include "AthenaBaseComps/AthAlgTool.h"
#include "GaudiKernel/ServiceHandle.h"
 
#include "ISF_Interfaces/IGeoIDSvc.h"
#include "ISF_Interfaces/IParticleBroker.h"
 
#include <string>
 
// forward declarations
 
// Geant4
class G4LogicalVolume;
 
namespace ISF {
  class ISFParticle;
  class ITruthBinding;
}
 
#include "AtlasHepMC/GenParticle_fwd.h"
 
namespace G4UA{
 
  namespace iGeant4{
 
    class TrackProcessorUserActionPassBack: public G4UA::iGeant4::TrackProcessorUserActionBase
    {
 
    public:
 
      struct Config
      {
        ServiceHandle<ISF::IParticleBroker>  particleBroker=ServiceHandle<ISF::IParticleBroker>("","TrackProcessorUserActionPassBack");
        ServiceHandle<ISF::IGeoIDSvc>        geoIDSvc=ServiceHandle<ISF::IGeoIDSvc>("","TrackProcessorUserActionPassBack");
        double                              passBackEkinThreshold=0.05;
        bool                                killBoundaryParticlesBelowThreshold=false;
        unsigned int                        verboseLevel=0;
      };
 
      TrackProcessorUserActionPassBack(const Config& config);
    private:
      void ISFSteppingAction(const G4Step*, ISF::ISFParticle *curISP) override final;
 
      Config m_config;

      ISF::TruthBinding* newTruthBinding(const G4Track* aTrack, HepMC::GenParticlePtr currentGenParticle) const;
 
      ISF::ISFParticle* newISFParticle(G4Track* aTrack,
                                       const ISF::ISFParticle* parent,
                                       HepMC::GenParticlePtr currentGenParticle,
                                       AtlasDetDescr::AtlasRegion nextGeoID);

      void returnParticleToISF( G4Track *aTrack,
                                const ISF::ISFParticle *parentISP,
                                HepMC::GenParticlePtr currentGenParticle,
                                AtlasDetDescr::AtlasRegion nextGeoID );
 
      ISF::IParticleBroker *m_particleBrokerQuick{}; 
      ISF::IGeoIDSvc *m_geoIDSvcQuick{}; 
 
    }; // class TrackProcessorUserActionPassBack
 
  }// iGeant4
 
}// G4UA
 
#endif // ISF_GEANT4TOOLS_TRACKPROCESSORUSERACTIONPASSBACK_H