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//
///////////////////////////////////////////////////////////////////////////////
// File: CCalEcalOrganization.cc
// Description: Defines numbering schema for the Electromagnetic Calorimeter
///////////////////////////////////////////////////////////////////////////////
#include "CCalEcalOrganization.hh"
#include "G4VPhysicalVolume.hh"
#include "G4Step.hh"
#include "G4StepPoint.hh"
#include "G4TouchableHistory.hh"

CCalEcalOrganization::~CCalEcalOrganization(){
  G4cout << " Deleting CCalEcalOrganization" << G4endl;
}


unsigned int CCalEcalOrganization::GetUnitID(const G4Step* aStep) const {

  G4TouchableHistory* theTouchable = 
    (G4TouchableHistory*)( aStep->GetPreStepPoint()->GetTouchable() );

  int idl=0, idn=0;
  int level = theTouchable->GetHistoryDepth();  
  int idx = theTouchable->GetReplicaNumber( 0 ) - 1;
  if ( level > 0 ) {
    idl = theTouchable->GetReplicaNumber( 1 ) - 1;
    if ( level > 1 ) {
      idn = theTouchable->GetReplicaNumber( 2 );
    }
  }

  unsigned int idunit = idn*4096 + idl*64 + idx;

  return idunit;
}
