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/// \file RE01TrackInformation.hh
/// \brief Definition of the RE01TrackInformation class

#ifndef RE01TrackInformation_h
#define RE01TrackInformation_h 1

#include "G4Allocator.hh"
#include "G4ParticleDefinition.hh"
#include "G4ThreeVector.hh"
#include "G4Track.hh"
#include "G4VUserTrackInformation.hh"
#include "globals.hh"

class RE01TrackInformation : public G4VUserTrackInformation
{
  public:
    RE01TrackInformation();
    RE01TrackInformation(const G4Track* aTrack);
    RE01TrackInformation(const RE01TrackInformation* aTrackInfo);
    virtual ~RE01TrackInformation();

    inline void* operator new(size_t);
    inline void operator delete(void* aTrackInfo);

    RE01TrackInformation& operator=(const RE01TrackInformation& right);

    void SetSourceTrackInformation(const G4Track* aTrack);
    virtual void Print() const;

  public:
    inline G4int GetTrackingStatus() const { return fTrackingStatus; }
    inline void SetTrackingStatus(G4int i) { fTrackingStatus = i; }
    inline G4int GetSourceTrackID() const { return fSourceTrackID; }
    inline void SetSuspendedStepID(G4int i) { fSuspendedStepID = i; }
    inline G4int GetSuspendedStepID() const { return fSuspendedStepID; }

  private:
    // Information of the primary track at the primary vertex
    G4int fOriginalTrackID;  // Track ID of primary particle
    G4ParticleDefinition* fParticleDefinition;
    G4ThreeVector fOriginalPosition;
    G4ThreeVector fOriginalMomentum;
    G4double fOriginalEnergy;
    G4double fOriginalTime;

    G4int fTrackingStatus;
    // trackingStatus = 1 : primary or secondary track which has not yet reached
    //                      to calorimeter
    //                = 0 : track which or ancester of which has reached to
    //                      calorimeter
    //                = 2 : track or its ancester had reached to calorimeter
    //                      and then escaped from it
    // Information of the track which reached to the calorimeter boundary at the
    // boundary surface.
    // This information is valid only for trackingStatus = 0 or 2
    G4int fSourceTrackID;
    G4ParticleDefinition* fSourceDefinition;
    G4ThreeVector fSourcePosition;
    G4ThreeVector fSourceMomentum;
    G4double fSourceEnergy;
    G4double fSourceTime;
    G4int fSuspendedStepID;
};

extern G4ThreadLocal G4Allocator<RE01TrackInformation>* aTrackInformationAllocator;

inline void* RE01TrackInformation::operator new(size_t)
{
  if (!aTrackInformationAllocator)
    aTrackInformationAllocator = new G4Allocator<RE01TrackInformation>;
  return (void*)aTrackInformationAllocator->MallocSingle();
}

inline void RE01TrackInformation::operator delete(void* aTrackInfo)
{
  aTrackInformationAllocator->FreeSingle((RE01TrackInformation*)aTrackInfo);
}

#endif