//-------------------------------------------------------------------------
// Author:      Oliver Merle (Oliver.Merle@exp2.physik.uni-giessen.de)
// Changes:     Mustafa Schmidt (Mustafa.A.Schmidt@physik.uni-giessen.de)
// Date:        30.11.2015
// Description: Information of photons
//-------------------------------------------------------------------------

#ifndef PNDDISCSENSORMCPOINT_HH
#define PNDDISCSENSORMCPOINT_HH


// Fairroot / PROOT headers
#include "FairMCPoint.h"

// cpp headers
#include <math.h>



class PndDiscSensorMCPoint : public FairMCPoint
{
public:
    PndDiscSensorMCPoint();
    
    PndDiscSensorMCPoint(Int_t track_id,        // base
                           //Int_t event_id,      // in FairMCEventHeader
                           Int_t det_id,          // base
                           Int_t volume_id,       // -- use some kind of volume identifier here (or just sensor copy number?)
                           Double_t const & internal_reflection_angle,   // may be 0.0 if none registered (e.g. not created in radiator)
                           TVector3 const & pos_in,       // base
                           TVector3 const & mom_in,       // base
                           Double_t const & total_tof,    // base
                           Double_t const & total_length, // base
                           Double_t const & energy_loss,  // base
                           Double_t const & track_start_time  // global time of track creation
                           );

    virtual ~PndDiscSensorMCPoint();

    virtual void Print(const Option_t* opt = 0) const; /// FairMCPoint forces the implementation
    const Double_t & GetTotalReflectionAngle() {return internal_reflection_angle;}
     Double_t ComputeWavelenght() { return 1.239841939E-6/sqrt(fPx*fPx+fPy*fPy+fPz*fPz); }
     Double_t ComputeTrackTof()  { return fTime-track_start_time; }

    Int_t volume_id;
    Double_t internal_reflection_angle;
    Double_t track_start_time;
    Int_t my_track_id;

    TVector3 photon_entering_pos;      // position of photon entering optics
    TVector3 photon_entering_momentum; // momentum vector of photon entering optics

    ClassDef(PndDiscSensorMCPoint,4)
};


#endif // PNDDISCSENSORMCPOINT_HH