//
// ********************************************************************
// * DISCLAIMER                                                       *
// *                                                                  *
// * The following disclaimer summarizes all the specific disclaimers *
// * of contributors to this software. The specific disclaimers,which *
// * govern, are listed with their locations in:                      *
// *   http://cern.ch/geant4/license                                  *
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// * work  make  any representation or  warranty, express or implied, *
// * regarding  this  software system or assume any liability for its *
// * use.                                                             *
// *                                                                  *
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// * GEANT4 collaboration.                                            *
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//
//
// $Id: G4NavigationLevelRep.icc,v 1.12 2004/06/11 14:17:21 gcosmo Exp $
// GEANT4 tag $Name: geant4-06-02 $
//
//  1 October 1997 J.Apostolakis Initial version. 
//                        
// ----------------------------------------------------------------------

#if defined G4GEOM_ALLOC_EXPORT
  extern G4DLLEXPORT G4Allocator<G4NavigationLevelRep> aNavigLevelRepAllocator;
#else
  extern G4DLLIMPORT G4Allocator<G4NavigationLevelRep> aNavigLevelRepAllocator;
#endif

// Constructors
//--------------

inline
G4NavigationLevelRep::G4NavigationLevelRep( G4VPhysicalVolume* pPhysVol,
                                      const G4AffineTransform& afTransform,
                                            EVolume            volTp,
                                            G4int              repNo )
   :  sTransform(afTransform),
      sPhysicalVolumePtr(pPhysVol),
      sReplicaNo(repNo),
      sVolumeType(volTp),
      fCountRef(1) 
{
}

inline
G4NavigationLevelRep::G4NavigationLevelRep()
   :  sTransform(),
      sPhysicalVolumePtr(0),
      sReplicaNo(-1),
      sVolumeType(kReplica),
      fCountRef(1) 
{
}

inline
G4NavigationLevelRep::G4NavigationLevelRep( G4VPhysicalVolume* pPhysVol,
                                      const G4AffineTransform& levelAbove,
                                      const G4AffineTransform& relativeCurrent,
                                            EVolume            volTp,
                                            G4int              repNo )
   :  sPhysicalVolumePtr(pPhysVol),
      sReplicaNo(repNo),
      sVolumeType(volTp),
      fCountRef(1) 
{
  sTransform.InverseProduct( levelAbove, relativeCurrent );
}

inline
G4NavigationLevelRep::G4NavigationLevelRep( G4NavigationLevelRep& right )
   :  sTransform(right.sTransform), 
      sPhysicalVolumePtr(right.sPhysicalVolumePtr),
      sReplicaNo(right.sReplicaNo),
      sVolumeType(right.sVolumeType),
      fCountRef(1) 
{
}

// Destructor
//--------------

inline
G4NavigationLevelRep::~G4NavigationLevelRep()
{
#ifdef DEBUG_NAVIG_LEVEL
  if(fCountRef>0)
  {
    G4cerr << "ERROR! - A G4NavigationLevelRep is being deleted that has"
           << G4endl << " positive reference count (fCountRef > 0) !"
           << G4endl;
    G4Exception("G4NavigationLevelRep::~G4NavigationLevelRep()",
                "MemoryCorruption", FatalException,
                "Deletion of data-level object with positive reference count.");
  } 
#endif
}

// Operators
// --------------

inline
G4NavigationLevelRep& 
G4NavigationLevelRep::operator=( const G4NavigationLevelRep &right )
{ 
  if ( &right != this )
  {
    sTransform =  right.sTransform;  
    sPhysicalVolumePtr = right.sPhysicalVolumePtr;
    sVolumeType = right.sVolumeType;
    sReplicaNo =  right.sReplicaNo;
    fCountRef = right.fCountRef;
  }
  return *this;
} 

// Accessors
// --------------

inline
G4VPhysicalVolume*
G4NavigationLevelRep::GetPhysicalVolume()
{ 
  return sPhysicalVolumePtr; 
}

inline
const G4AffineTransform&
G4NavigationLevelRep::GetTransform() const 
{ 
  return sTransform; 
} 

inline
const G4AffineTransform*
G4NavigationLevelRep::GetTransformPtr() const 
{ 
  return &sTransform; 
} 

inline
EVolume G4NavigationLevelRep::GetVolumeType() const 
{ 
  return sVolumeType; 
}

inline
G4int G4NavigationLevelRep::GetReplicaNo() const 
{ 
  return sReplicaNo; 
}

inline
void G4NavigationLevelRep::AddAReference() 
{
  fCountRef++; 
}

inline
G4bool G4NavigationLevelRep::RemoveAReference() 
{
  return( --fCountRef <= 0 ); 
}

// There is no provision that this class is subclassed.
// If it is subclassed & new data members are added then the
// following "new" & "delete" will fail and give errors. 
//
inline
void* G4NavigationLevelRep::operator new(size_t)
{
  return (void *) aNavigLevelRepAllocator.MallocSingle();
}

inline
void G4NavigationLevelRep::operator delete(void *aLevelRep)
{
  aNavigLevelRepAllocator.FreeSingle((G4NavigationLevelRep *) aLevelRep);
}