// This code implementation is the intellectual property of
// the GEANT4 collaboration.
//
// By copying, distributing or modifying the Program (or any work
// based on the Program) you indicate your acceptance of this statement,
// and all its terms.
//
// $Id: G4Transportation.icc,v 1.2 1999/12/15 14:53:50 gunter Exp $
// GEANT4 tag $Name: geant4-03-00 $
//

// 
//
//        Inline function implementation.
//
// =======================================================================
// Created:  9 June 1998, J. Apostolakis
// =======================================================================
//

inline void G4Transportation::SetPropagatorInField( G4PropagatorInField* pFieldPropagator)
{
   fFieldPropagator= pFieldPropagator;
}

inline G4PropagatorInField* G4Transportation::GetPropagatorInField()
{
   return fFieldPropagator;
}

inline G4bool G4Transportation::DoesGlobalFieldExist()
{
  G4TransportationManager* transportMgr;
  transportMgr= G4TransportationManager::GetTransportationManager();

  // fFieldExists= transportMgr->GetFieldManager()->DoesFieldExist();
  // return fFieldExists;
  return transportMgr->GetFieldManager()->DoesFieldExist();
}

inline void G4Transportation::SetTheOtherTouchableFree(G4VTouchable* value)
{
  if(value == fTouchable1){
     fIsTouchable2Free = true;
  }
  else if(value == fTouchable2){
     fIsTouchable1Free = true;
  }
}

inline G4VTouchable* G4Transportation::GetFreeTouchable(){
  if(fIsTouchable1Free){
    fIsTouchable1Free = false;
    return fTouchable1;
  } 
  else if(fIsTouchable2Free){
    fIsTouchable2Free = false;
    return fTouchable2;
  }
  else {
    return NULL;
  }
}