SteppingAction.hpp

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// This file is part of the Acts project.
//
// Copyright (C) 2017-2020 CERN for the benefit of the Acts project
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.

#pragma once

#include "Acts/Propagator/MaterialInteractor.hpp"
#include "ActsExamples/EventData/SimHit.hpp"

#include <vector>

#include <G4UserSteppingAction.hh>
#include <globals.hh>

namespace ActsExamples {

class SteppingAction final : public G4UserSteppingAction {
 public:
  static SteppingAction* instance();

  SteppingAction();
  ~SteppingAction() final override;

  void UserSteppingAction(const G4Step* step) final override;

  void clear();

  const std::vector<Acts::MaterialInteraction>& materialSteps() const {
    return m_materialSteps;
  }

  const ActsExamples::SimHitContainer::sequence_type& trackSteps() const {
    return m_trackSteps;
  }

 private:
  static SteppingAction* s_instance;

  std::vector<Acts::MaterialInteraction> m_materialSteps;
  ActsExamples::SimHitContainer::sequence_type m_trackSteps;
};

}  // namespace ActsExamples