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//
// $Id: ExN03EventAction.cc,v 1.29 2008/01/17 17:31:32 maire Exp $
// GEANT4 tag $Name: geant4-09-03-cand-01 $
//
// 

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#include "ExN03EventAction.hh"

#include "ExN03RunAction.hh"
#include "ExN03EventActionMessenger.hh"

#include "G4Event.hh"
#include "G4TrajectoryContainer.hh"
#include "G4VTrajectory.hh"
#include "G4VVisManager.hh"
#include "G4UnitsTable.hh"

#include "Randomize.hh"
#include <iomanip>

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ExN03EventAction::ExN03EventAction(ExN03RunAction* run)
:runAct(run),printModulo(1),eventMessenger(0)
{
  eventMessenger = new ExN03EventActionMessenger(this);
}

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ExN03EventAction::~ExN03EventAction()
{
  delete eventMessenger;
}

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void ExN03EventAction::BeginOfEventAction(const G4Event* evt)
{  
  G4int evtNb = evt->GetEventID();
  if (evtNb%printModulo == 0) { 
    G4cout << "\n---> Begin of event: " << evtNb << G4endl;
    CLHEP::HepRandom::showEngineStatus();
}
 
 // initialisation per event
 EnergyAbs = EnergyGap = 0.;
 TrackLAbs = TrackLGap = 0.;
}

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void ExN03EventAction::EndOfEventAction(const G4Event* evt)
{
  //accumulates statistic
  //
  runAct->fillPerEvent(EnergyAbs, EnergyGap, TrackLAbs, TrackLGap);
  
  //print per event (modulo n)
  //
  G4int evtNb = evt->GetEventID();
  if (evtNb%printModulo == 0) {
    G4cout << "---> End of event: " << evtNb << G4endl;	

    G4cout
       << "   Absorber: total energy: " << std::setw(7)
                                        << G4BestUnit(EnergyAbs,"Energy")
       << "       total track length: " << std::setw(7)
                                        << G4BestUnit(TrackLAbs,"Length")
       << G4endl
       << "        Gap: total energy: " << std::setw(7)
                                        << G4BestUnit(EnergyGap,"Energy")
       << "       total track length: " << std::setw(7)
                                        << G4BestUnit(TrackLGap,"Length")
       << G4endl;
	  
  }
}  

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