simulations/wavepid/include/OMSimTrackingAction.hh

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#pragma once
 
#include "G4UserTrackingAction.hh"
#include "G4Track.hh"
#include <unordered_map>
#include <string>
 
class OMSimTrackingAction : public G4UserTrackingAction
{
public:
    OMSimTrackingAction();
    virtual ~OMSimTrackingAction();
 
    virtual void PreUserTrackingAction(const G4Track* track) override;
    virtual void PostUserTrackingAction(const G4Track* track) override;
 
    std::string GetParticleType(G4int trackID) const;
 
    std::string GetCreatorProcess(G4int trackID) const;
 
    static OMSimTrackingAction& GetInstance();
 
    static bool HasInstance() { return instance != nullptr; }
 
private:
    std::unordered_map<G4int, std::string> m_trackIDToParticleTypeMap;
    std::unordered_map<G4int, std::string> m_trackIDToCreatorProcessMap;
 
    static thread_local OMSimTrackingAction* instance;  
};