SteppingAction.cc

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#include "SteppingAction.hh"
 
#include "DetectorConstruction.hh"
#include "EventAction.hh"
 
#include <G4LogicalVolume.hh>
#include <G4RunManager.hh>
#include <G4Step.hh>
#include <G4TouchableHandle.hh>
#include <G4VPhysicalVolume.hh>
 
SteppingAction::SteppingAction(EventAction* eventAction) : fEventAction(eventAction) {}
 
void SteppingAction::UserSteppingAction(const G4Step* step) {
  // Retrieve the scoring volume pointer on first call.
  if (fScoringVolume == nullptr) {
    const auto* detectorConstruction = dynamic_cast<const B1::DetectorConstruction*>(
        G4RunManager::GetRunManager()->GetUserDetectorConstruction());
    if (detectorConstruction != nullptr) {
      fScoringVolume = detectorConstruction->GetScoringVolume();
    }
  }
 
  // Collect energy deposited only inside shape2.
  G4VPhysicalVolume* pv = step->GetPreStepPoint()->GetTouchableHandle()->GetVolume();
  if (pv == nullptr) {
    return;
  }
 
  G4LogicalVolume* volume = pv->GetLogicalVolume();
  if (volume != fScoringVolume) {
    return;
  }
 
  fEventAction->AddEdep(step->GetTotalEnergyDeposit());
}