//
// ********************************************************************
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//
//
// $Id: G4NavigationLevel.icc,v 1.12 2002/07/23 08:50:35 gcosmo Exp $
// GEANT4 tag $Name: geant4-05-00 $
//
// 30.09.97 J.Apostolakis Initial version. 
//                        
// ********************************************************************

extern G4Allocator<G4NavigationLevel> aNavigationLevelAllocator;

inline
G4NavigationLevel::G4NavigationLevel( G4VPhysicalVolume* pPhysVol,
                                const G4AffineTransform& afTransform,
                                      EVolume            volTp,
                                      G4int              repNo )
{
  fLevelRep = new G4NavigationLevelRep( pPhysVol, afTransform, volTp, repNo );
}

inline
G4NavigationLevel::G4NavigationLevel( G4VPhysicalVolume* pPhysVol,
                                const G4AffineTransform& levelAbove,
                                const G4AffineTransform& relativeCurrent,
                                      EVolume            volTp,
                                      G4int              repNo )
{
  fLevelRep = new G4NavigationLevelRep( pPhysVol, 
                                        levelAbove, 
                                        relativeCurrent, 
                                        volTp, 
                                        repNo );
}

inline
G4NavigationLevel::G4NavigationLevel()
{
  fLevelRep = new G4NavigationLevelRep();
}

inline
G4NavigationLevel::G4NavigationLevel(const G4NavigationLevel& right)
  : fLevelRep( right.fLevelRep )
{
  fLevelRep->AddAReference(); 
}

inline
G4NavigationLevel::~G4NavigationLevel()
{
  if( fLevelRep->RemoveAReference() )
    delete fLevelRep; 
}

inline
G4NavigationLevel& G4NavigationLevel::operator=(const G4NavigationLevel &right)
{ 
  if ( &right == this ) return *this;

  // The order of these two statements is needed to handle "a=a"
  //
  right.fLevelRep->AddAReference(); 
  if( fLevelRep->RemoveAReference() )
    delete fLevelRep; 

  fLevelRep = right.fLevelRep;
  return *this;
} 

inline
G4VPhysicalVolume* G4NavigationLevel::GetPhysicalVolume() const 
{ 
  return fLevelRep->GetPhysicalVolume(); 
}

inline
const G4AffineTransform& G4NavigationLevel::GetTransform() const 
{ 
  return fLevelRep->GetTransform() ; 
} 

inline
const G4AffineTransform* G4NavigationLevel::GetPtrTransform() const 
{ 
  return fLevelRep->GetTransformPtr() ; 
} 

inline
EVolume G4NavigationLevel::GetVolumeType() const 
{ 
  return fLevelRep->GetVolumeType() ; 
}

inline
G4int G4NavigationLevel::GetReplicaNo() const 
{ 
  return fLevelRep->GetReplicaNo() ; 
}

// There is no provision in case this class is subclassed.
// If it is subclassed, this will fail and may not give errors!
//
inline
void* G4NavigationLevel::operator new(size_t)
{
  return (void *) aNavigationLevelAllocator.MallocSingle();
}

// Added for use by STL (used for pre-allocation).
//
inline
void* G4NavigationLevel::operator new(size_t,void *a)
{
  return a;
}

inline
void G4NavigationLevel::operator delete(void *aLevel)
{
  aNavigationLevelAllocator.FreeSingle((G4NavigationLevel *) aLevel);
}

// Added for use by STL (used for free-ing pre-allocated?).
//
#ifndef G4NOT_ISO_DELETES
inline
void G4NavigationLevel::operator delete(void *ptr, void *p)
{
}
#endif