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//
//
// --------------------------------------------------------------------
// GEANT 4 class header file
//
// Class Description:
//    Extends G4Track properties with information needed for the
//    channeling biasing operator.
//
// ------------------ G4ChannelingTrackData ------------------
//
// Author: M.Verderi (LLR), E. Bagli (INFN) April 2016
//
// --------------------------------------------------------------------

#ifndef G4ChannelingTrackData_hh
#define G4ChannelingTrackData_hh

class G4Channeling;
#include "G4VAuxiliaryTrackInformation.hh"
#include "G4ThreeVector.hh"

class G4ChannelingTrackData : public G4VAuxiliaryTrackInformation {
    friend class G4Channeling;
    
public:
    G4ChannelingTrackData();
    ~G4ChannelingTrackData();
    
    void Print() const;
    
private:
    const G4Channeling* fChannelingProcess;
    
public:
    void Reset(){
        fChannelingProcess = nullptr;
        fNuD = fElD = 1.;
        fPosCh = fMomCh = fDBL;
    }
    
public:
    G4double GetDensity() {return (fNuD + fElD) * 0.5;}
    
    void SetNuD(G4double aDouble) {fNuD = aDouble;};
    G4double GetNuD() {return fNuD;};
    
    void SetElD(G4double aDouble) {fElD = aDouble;};
    G4double GetElD() {return fElD;};

    void SetEFX(G4double aDouble) {fEFX = aDouble;};
    G4double GetEFX() {return fEFX;};

    void SetEFY(G4double aDouble) {fEFY = aDouble;};
    G4double GetEFY() {return fEFY;};
    
    G4ThreeVector GetMomCh() {return fMomCh;}
    void SetMomCh(G4ThreeVector a3vec) {fMomCh = a3vec;}
    
    G4ThreeVector GetPosCh() {return fPosCh;}
    void SetPosCh(G4ThreeVector a3vec) {fPosCh = a3vec;}
    
private:
    // ----------
    // DBL_MAX vector for reset
    // ----------
    G4ThreeVector fDBL;

    // ----------
    // Positiona and momentum in the crystal reference frame
    // ----------
    G4ThreeVector fMomCh;
    G4ThreeVector fPosCh;

    G4double fNuD;
    G4double fElD;

    G4double fEFX;
    G4double fEFY;
};

#endif