//
// ********************************************************************
// * 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                                  *
// *                                                                  *
// * Neither the authors of this software system, nor their employing *
// * institutes,nor the agencies providing financial support for this *
// * work  make  any representation or  warranty, express or implied, *
// * regarding  this  software system or assume any liability for its *
// * use.                                                             *
// *                                                                  *
// * 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: G4NormalNavigation.icc,v 1.3 2004/03/10 18:21:15 gcosmo Exp $
// GEANT4 tag $Name: geant4-06-01 $
//
// 
// G4NormalNavigation Inline Implementation
//
// --------------------------------------------------------------------

// ********************************************************************
// LevelLocate
// ********************************************************************
//
inline
G4bool
G4NormalNavigation::LevelLocate( G4NavigationHistory& history,
                           const G4VPhysicalVolume* blockedVol,
                           const G4int,
                           const G4ThreeVector& globalPoint,
                           const G4ThreeVector* globalDirection,
                           const G4bool  pLocatedOnEdge, 
                                 G4ThreeVector &localPoint )
{
  G4VPhysicalVolume *targetPhysical, *samplePhysical;
  G4LogicalVolume *targetLogical;
  G4VSolid *sampleSolid;
  G4ThreeVector samplePoint;
  G4int targetNoDaughters;
  
  targetPhysical = history.GetTopVolume();
  targetLogical = targetPhysical->GetLogicalVolume();
  targetNoDaughters = targetLogical->GetNoDaughters();
  
  G4bool found = false;

  if (targetNoDaughters!=0)
  {
    //
    // Search daughters in volume
    //
    for ( register int sampleNo=targetNoDaughters-1; sampleNo>=0; sampleNo-- )
    {
      samplePhysical = targetLogical->GetDaughter(sampleNo);
      if ( samplePhysical!=blockedVol )
      {
        // Setup history
        //
        history.NewLevel(samplePhysical, kNormal, samplePhysical->GetCopyNo());
        sampleSolid = samplePhysical->GetLogicalVolume()->GetSolid();
        samplePoint = history.GetTopTransform().TransformPoint(globalPoint);
        if( G4AuxiliaryNavServices::
            CheckPointOnSurface(sampleSolid, samplePoint, globalDirection, 
                                history.GetTopTransform(), pLocatedOnEdge) )
        {
          // Enter this daughter
          //
          localPoint = samplePoint;
          found = true;
          break;
        }
        else
        {
          history.BackLevel();
        }
      }
    }
  }
  return found;
}

inline
G4int G4NormalNavigation::GetVerboseLevel()
{
  return fVerbose;
}

inline
void G4NormalNavigation::SetVerboseLevel(G4int level)
{
  fVerbose = level;
}

inline
void G4NormalNavigation::CheckMode(G4bool mode)
{
  fCheck = mode;
}