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/// \file OpNoviceSteppingAction.cc
/// \brief Implementation of the OpNoviceSteppingAction class

#include "OpNoviceSteppingAction.hh"

#include "G4Step.hh"
#include "G4Track.hh"
#include "G4OpticalPhoton.hh"

#include "G4Event.hh"
#include "G4RunManager.hh"

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OpNoviceSteppingAction::OpNoviceSteppingAction()
: G4UserSteppingAction()
{ 
  fScintillationCounter = 0;
  fCerenkovCounter      = 0;
  fEventNumber = -1;
}

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OpNoviceSteppingAction::~OpNoviceSteppingAction()
{ ; }

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void OpNoviceSteppingAction::UserSteppingAction(const G4Step* step)
{
  G4int eventNumber = G4RunManager::GetRunManager()->
                                              GetCurrentEvent()->GetEventID();

  if (eventNumber != fEventNumber) {
     fEventNumber = eventNumber;
     fScintillationCounter = 0;
     fCerenkovCounter = 0;
  }

  G4Track* track = step->GetTrack();

  G4String ParticleName = track->GetDynamicParticle()->
                                 GetParticleDefinition()->GetParticleName();

  if (ParticleName == "opticalphoton") return;

  const std::vector<const G4Track*>* secondaries =
                                            step->GetSecondaryInCurrentStep();

  if (secondaries->size()>0) {
     for(unsigned int i=0; i<secondaries->size(); ++i) {
        if (secondaries->at(i)->GetParentID()>0) {
           if(secondaries->at(i)->GetDynamicParticle()->GetParticleDefinition()
               == G4OpticalPhoton::OpticalPhotonDefinition()){
              if (secondaries->at(i)->GetCreatorProcess()->GetProcessName()
               == "Scintillation")fScintillationCounter++;
              if (secondaries->at(i)->GetCreatorProcess()->GetProcessName()
               == "Cerenkov")fCerenkovCounter++;
           }
        }
     }
  }
}

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