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//
// TETSteppingAction.hh
//
// Author: Haegin Han
// Reference: ICRP Publication 145. Ann. ICRP 49(3), 2020.
// Geant4 Contributors: J. Allison and S. Guatelli
//

#ifndef TETSteppingAction_h
#define TETSteppingAction_h 1

#include "G4UserSteppingAction.hh"
#include "globals.hh"
#include "G4ThreeVector.hh"
#include "G4Step.hh"
#include "G4RunManager.hh"
#include "G4UnitsTable.hh"

class G4LogicalVolume;

// *********************************************************************
// With very low probability, because of the internal bug of G4TET, the
// particles can be stuck in the vertices of tetrahedrons. This
// UserSteppingAction class was written to slightly move these stuck
// particles.
// -- UserSteppingAction: Slightly move the stuck particles.
// *********************************************************************

class TETSteppingAction : public G4UserSteppingAction
{
 public:
    explicit TETSteppingAction();
    virtual ~TETSteppingAction() = default;

    virtual void UserSteppingAction(const G4Step*) override;

 private:
    G4double fKCarTolerance;
    G4int    fStepCounter;
    G4bool   fCheckFlag;
};

#endif