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//
// $Id: G4LogicalBorderSurface.cc,v 1.17 2008/08/19 15:31:52 gcosmo Exp $
// GEANT4 tag $Name: geant4-09-03 $
//
// --------------------------------------------------------------------
// G4LogicalBorderSurface Implementation
// --------------------------------------------------------------------
//
// A Logical Surface class for surfaces defined by the boundary
// of two physical volumes.
//
// Created:     1997-06-26
// Author:      John Apostolakis (John.Apostolakis@cern.ch)
//
// ----------------------------------------------------------------------

#include "G4LogicalBorderSurface.hh"
#include "G4VPhysicalVolume.hh"

G4LogicalBorderSurfaceTable G4LogicalBorderSurface::theBorderSurfaceTable;

//
// Constructor & destructor
//

G4LogicalBorderSurface::G4LogicalBorderSurface(const G4String& name,
                                               G4VPhysicalVolume* vol1, 
                                               G4VPhysicalVolume* vol2,
                                               G4SurfaceProperty* surfaceProperty)
  : G4LogicalSurface(name, surfaceProperty),
    Volume1(vol1), Volume2(vol2)
{
  // Store in the table of Surfaces
  //
  theBorderSurfaceTable.push_back(this);
}

G4LogicalBorderSurface::
G4LogicalBorderSurface(const G4LogicalBorderSurface& right)
  : G4LogicalSurface(right.GetName(), right.GetSurfaceProperty())
{
  SetTransitionRadiationSurface(right.GetTransitionRadiationSurface());
  Volume1 = right.Volume1;
  Volume2 = right.Volume2;
  theBorderSurfaceTable = right.theBorderSurfaceTable;
}

G4LogicalBorderSurface::~G4LogicalBorderSurface()
{
}

//
// Operators
//

const G4LogicalBorderSurface&
G4LogicalBorderSurface::operator=(const G4LogicalBorderSurface &right)
{
  if (&right == this) return *this;
  if (&right)
  {
    SetSurfaceProperty(right.GetSurfaceProperty());
    SetName(right.GetName());
    SetTransitionRadiationSurface(right.GetTransitionRadiationSurface());
    Volume1 = right.Volume1;
    Volume2 = right.Volume2;
    theBorderSurfaceTable = right.theBorderSurfaceTable;
  }
  return *this;
}

G4int
G4LogicalBorderSurface::operator==(const G4LogicalBorderSurface &right) const
{
  return (this == (G4LogicalBorderSurface *) &right);
}

G4int
G4LogicalBorderSurface::operator!=(const G4LogicalBorderSurface &right) const
{
  return (this != (G4LogicalBorderSurface *) &right);
}

//
// Methods
//

const G4LogicalBorderSurfaceTable* G4LogicalBorderSurface::GetSurfaceTable()
{
  return &theBorderSurfaceTable;
}

size_t G4LogicalBorderSurface::GetNumberOfBorderSurfaces()
{
  return theBorderSurfaceTable.size();
}

G4LogicalBorderSurface*
G4LogicalBorderSurface::GetSurface(const G4VPhysicalVolume* vol1,
                                   const G4VPhysicalVolume* vol2)
{
  for (size_t i=0; i<theBorderSurfaceTable.size(); i++)
  {
    if( (theBorderSurfaceTable[i]->GetVolume1() == vol1) &&
        (theBorderSurfaceTable[i]->GetVolume2() == vol2) )
      return theBorderSurfaceTable[i];
  }
  return NULL;
}

// Dump info for known surfaces
//
void G4LogicalBorderSurface::DumpInfo()
{
  G4cout << "***** Surface Table : Nb of Surfaces = "
         << GetNumberOfBorderSurfaces() << " *****" << G4endl;

  for (size_t i=0; i<theBorderSurfaceTable.size(); i++)
  {
    G4LogicalBorderSurface* pBorderSurface = theBorderSurfaceTable[i];
    G4cout << pBorderSurface->GetName() << " : " << G4endl
           << " Border of volumes "
           << pBorderSurface->GetVolume1()->GetName() << " and " 
           << pBorderSurface->GetVolume2()->GetName()
           << G4endl;
  }
  G4cout << G4endl;
}

void G4LogicalBorderSurface::CleanSurfaceTable()
{
  G4LogicalBorderSurfaceTable::iterator pos;
  for(pos=theBorderSurfaceTable.begin();
      pos!=theBorderSurfaceTable.end(); pos++)
  {
    if (*pos) delete *pos;
  }
  theBorderSurfaceTable.clear();
}