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// $Id: ExN05CalorimeterSD.cc,v 1.8 2006/11/20 18:39:37 asaim Exp $
// GEANT4 tag $Name: geant4-09-03-cand-01 $
//

#include "ExN05CalorimeterSD.hh"
#include "ExN05CalorimeterHit.hh"

#include "G4VPhysicalVolume.hh"
#include "G4LogicalVolume.hh"
#include "G4Track.hh"
#include "G4ParticleDefinition.hh"
#include "G4SDManager.hh"
#include "G4ios.hh"

ExN05CalorimeterSD::ExN05CalorimeterSD( G4String name,
                                        G4int nCells,
                                        G4String colName )
  : G4VSensitiveDetector(name),
    numberOfCells(nCells),
    HCID(-1)
{
  G4String HCname;
  collectionName.insert(HCname=colName);
  CellID = new G4int[numberOfCells];
}

ExN05CalorimeterSD::~ExN05CalorimeterSD()
{
  delete [] CellID;
}

void ExN05CalorimeterSD::Initialize(G4HCofThisEvent*)
{
  CalCollection = new ExN05CalorimeterHitsCollection
                      (SensitiveDetectorName,collectionName[0]); 
  for(G4int j=0;j<numberOfCells;j++)
  {
    CellID[j] = -1;
  }
}

G4bool ExN05CalorimeterSD::ProcessHits(G4Step* aStep, G4TouchableHistory*)
{
  G4double edep = aStep->GetTotalEnergyDeposit();
  if(edep<=0.) return false;

  G4TouchableHistory* hist = (G4TouchableHistory*)(aStep->GetPreStepPoint()->GetTouchable());
  const G4VPhysicalVolume* physVol = hist->GetVolume();
  G4int copyID = hist->GetReplicaNumber();

  if(CellID[copyID]==-1)
  {
    ExN05CalorimeterHit* calHit =
      new ExN05CalorimeterHit(physVol->GetLogicalVolume());
    calHit->SetEdep( edep );
    G4AffineTransform aTrans = hist->GetHistory()->GetTopTransform();
    aTrans.Invert();
    calHit->SetPos(aTrans.NetTranslation());
    calHit->SetRot(aTrans.NetRotation());
    G4int icell = CalCollection->insert( calHit );
    CellID[copyID] = icell - 1;
    if(verboseLevel>0)
    { G4cout << " New Calorimeter Hit on CellID " << copyID << G4endl; }
  }
  else
  { 
    (*CalCollection)[CellID[copyID]]->AddEdep( edep );
    if(verboseLevel>0)
    { G4cout << " Energy added to CellID " << copyID << G4endl; }
  }

  return true;
}

void ExN05CalorimeterSD::EndOfEvent(G4HCofThisEvent*HCE)
{
  if(HCID<0)
  { HCID = G4SDManager::GetSDMpointer()->GetCollectionID(collectionName[0]); }
  HCE->AddHitsCollection( HCID, CalCollection );
}

void ExN05CalorimeterSD::clear()
{
} 

void ExN05CalorimeterSD::DrawAll()
{
} 

void ExN05CalorimeterSD::PrintAll()
{
}