MaterialStepRecorder.h

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/*
  Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
*/

// MaterialStepRecorder.h, (c) ATLAS Detector software
 
#ifndef MaterialStepRecorder_H
#define MaterialStepRecorder_H

 
#include <vector>
 
#include "StoreGate/StoreGateSvc.h"
#include "GaudiKernel/ServiceHandle.h"
 
#include "AthenaBaseComps/AthMessaging.h"
 
#include "G4UserEventAction.hh"
#include "G4UserRunAction.hh"
#include "G4UserSteppingAction.hh"
 
#include "TrkGeometry/MaterialStepCollection.h"
#include "TrkGeometry/ElementTable.h"
#include "TrkGeometry/Material.h"
#include "TrkValInterfaces/IPositionMomentumWriter.h"
 
 
namespace G4UA
{
 
  class MaterialStepRecorder: public AthMessaging, public G4UserEventAction,
                              public G4UserRunAction, public G4UserSteppingAction
  {
 
  public:
    MaterialStepRecorder();
    virtual void BeginOfEventAction(const G4Event*) override;
    virtual void EndOfEventAction(const G4Event*) override;
    virtual void BeginOfRunAction(const G4Run*) override;
    virtual void UserSteppingAction(const G4Step*) override;
  private:

    ServiceHandle<StoreGateSvc> m_evtStore;
 
    Trk::MaterialStepCollection*    m_matStepCollection; //FIXME convert to a WriteHandle
    std::string                     m_matStepCollectionName; //FIXME should be passed in via a Config struct rather than hardcoded.
 
    bool                            m_recordComposition; //FIXME should be passed in via a Config struct rather than hardcoded.
 
    size_t                          m_totalSteps;
    size_t                          m_eventID;
 
    Trk::ElementTable*              m_elementTable;  //FIXME convert to a WriteHandle
    std::string                     m_elementTableName;
 
    Trk::ElementTable*              m_runElementTable;
 
  }; // class MaterialStepRecorder
 
} // namespace G4UA
 
#endif