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//
// $Id: G4VClusterModel.hh,v 1.4 2001/11/07 10:27:21 radoone Exp $
// GEANT4 tag $Name: geant4-04-01 $
//
// 
///////////////////////////////////////////////////////////////////////////
// 
// Base class for 'fast' parametrisation models describing  ionisation clusters
// created in some G4Envelope. 
// 
// History:
// 14.07.00 V. Grichine first version 
//


#ifndef G4VClusterModel_h
#define G4VClusterModel_h 1


#include "globals.hh"
#include "templates.hh"
#include "G4PAIonisation.hh"
#include "G4VFastSimulationModel.hh"
#include "G4Step.hh"
#include "G4TouchableHandle.hh"
#include "G4TouchableHistoryHandle.hh"
#include "g4std/vector"


class G4VClusterModel : public G4VFastSimulationModel
{
public:

   G4VClusterModel (const G4String& modelName,G4LogicalVolume* anEnvelope);
   virtual  ~G4VClusterModel ();

  // Pure virtual functions from base class

  virtual G4bool IsApplicable(const G4ParticleDefinition&) = 0 ;
 
  virtual G4bool ModelTrigger(const G4FastTrack &) = 0 ;
 
  virtual void DoIt(const G4FastTrack&, G4FastStep&) = 0 ;

protected:

  void BuildDetectorResponse();

  void AssignClusterHit(const G4ThreeVector& position, G4double energy) ;

  void FillFakeStep(const G4ThreeVector& position, G4double energy) ;

protected:

  G4Step*         fFakeStep ;
  G4StepPoint*    fFakePreStepPoint ; 
  G4StepPoint*    fFakePostStepPoint ; 

  G4TouchableHandle   fTouchable ;
  
  G4Navigator*    fNavigator ;
  G4bool          fNavigatorSetup ;

  G4std::vector<G4ThreeVector> fClusterPositionVector ; 
  G4std::vector<G4double>      fClusterEnergyVector ; 
};

#endif