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//
// $Id: G4MassGeometrySampler.hh,v 1.3 2002/10/22 13:25:55 dressel Exp $
// GEANT4 tag $Name: geant4-05-00 $
//
// ----------------------------------------------------------------------
// Class G4MassGeometrySampler
//
// Class description:
// This class inherits from G4VSampler. It is used for scoring and 
// importance smpling in the tracking (mass) geometry.
// See also the description in G4VSampler.hh.
//
// Author: Michael Dressel (Michael.Dressel@cern.ch)
// ----------------------------------------------------------------------
#ifndef G4MassGeometrySampler_hh
#define G4MassGeometrySampler_hh G4MassGeometrySampler_hh

#include "G4VSampler.hh"
#include "globals.hh"
#include "G4VSamplerConfigurator.hh"

class G4MImportanceConfigurator;
class G4MScoreConfigurator;
class G4WeightCutOffConfigurator;
class G4VGCellFinder;

class G4MassGeometrySampler : public G4VSampler{

public:  
 
  explicit G4MassGeometrySampler(const G4String &particlename);
  virtual ~G4MassGeometrySampler();

  virtual void PrepareScoring(G4VScorer *Scorer);
  virtual void PrepareImportanceSampling(G4VIStore *istore,
					 const G4VImportanceAlgorithm 
					 *ialg);
  virtual void PrepareWeightRoulett(G4double wsurvive, 
				    G4double wlimit,
				    G4double isource);
  
  virtual void Configure();

  virtual void ClearSampling();
  virtual G4bool IsConfigured() const;
    
private:

  G4MassGeometrySampler(const G4MassGeometrySampler &);
  G4MassGeometrySampler &
  operator=(const G4MassGeometrySampler &);

private:
  G4String fParticleName;
  G4MImportanceConfigurator *fMImportanceConfigurator;
  G4MScoreConfigurator *fMScoreConfigurator;
  G4VGCellFinder *fGCellFinder;
  G4WeightCutOffConfigurator *fWeightCutOffConfigurator;
  G4VIStore *fIStore;
  G4bool fIsConfigured;
  G4Configurators fConfigurators;
};
  
#endif