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// $Id: ExN03SteppingAction.cc,v 1.1 2007/05/26 00:18:28 tkoi Exp $
// GEANT4 tag $Name: geant4-09-03-cand-01 $
//
// 

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#include "ExN03SteppingAction.hh"

#include "ExN03DetectorConstruction.hh"
#include "ExN03EventAction.hh"

#include "G4Step.hh"

////#include "G4RunManager.hh"

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ExN03SteppingAction::ExN03SteppingAction(ExN03DetectorConstruction* det,
                                         ExN03EventAction* evt)
:detector(det), eventaction(evt)					 
{ }

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ExN03SteppingAction::~ExN03SteppingAction()
{ }

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void ExN03SteppingAction::UserSteppingAction(const G4Step* aStep)
{
  // get volume of the current step
  G4VPhysicalVolume* volume 
  = aStep->GetPreStepPoint()->GetTouchableHandle()->GetVolume();
  
  // collect energy and track length step by step
  G4double edep = aStep->GetTotalEnergyDeposit();
  
  G4double stepl = 0.;
  if (aStep->GetTrack()->GetDefinition()->GetPDGCharge() != 0.)
    stepl = aStep->GetStepLength();
      
  if (volume == detector->GetAbsorber()) eventaction->AddAbs(edep,stepl);
  if (volume == detector->GetGap())      eventaction->AddGap(edep,stepl);
  
  //example of saving random number seed of this event, under condition
  //// if (condition) G4RunManager::GetRunManager()->rndmSaveThisEvent(); 
}

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