RMGIsotopeFilterScheme.hh

// Copyright (C) 2024 Manuel Huber <https://orcid.org/0009-0000-5212-2999>
//
// This program is free software: you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License as published by the Free
// Software Foundation, either version 3 of the License, or (at your option) any
// later version.
//
// This program is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
// FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
// details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
#ifndef _RMG_ISOTOPE_FILTER_SCHEME_HH_
#define _RMG_ISOTOPE_FILTER_SCHEME_HH_
 
#include <optional>
#include <set>
 
#include "G4AnalysisManager.hh"
#include "G4GenericMessenger.hh"
#include "G4VUserEventInformation.hh"
 
#include "RMGVOutputScheme.hh"

class RMGIsotopeFilterEventInformation : public G4VUserEventInformation {
 
  public:
 
    RMGIsotopeFilterEventInformation() = default;
    void Print() const override {}
};
 
class G4Event;
class RMGIsotopeFilterScheme : public RMGVOutputScheme {
 
  public:
 
    RMGIsotopeFilterScheme();

    bool ShouldDiscardEvent(const G4Event*) override;
    std::optional<bool> StackingActionNewStage(int stage) override;
    std::optional<G4ClassificationOfNewTrack> StackingActionClassify(const G4Track*, int stage) override;
    void TrackingActionPre(const G4Track*) override;

    void AddIsotope(int a, int z) { fIsotopes.insert({a, z}); }
 
  private:
 
    std::unique_ptr<G4GenericMessenger> fMessenger;
    void DefineCommands();
 
    std::set<std::pair<int, int>> fIsotopes;
 
    bool fDiscardWaitingTracksUnlessIsotopeProduced = false;
};
 
#endif
 
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