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// $Id: G4MScoreProcess.hh,v 1.3 2002/04/10 13:14:16 dressel Exp $
// GEANT4 tag $Name: geant4-04-01 $
//
// ----------------------------------------------------------------------
// Class G4MScoreProcess
//
// Class description:
//
// Used internally by scoring in the "mass" world.
// This is a forced post step process messaging a "scorer" 
// derived from G4VPScorer.

// Author: Michael Dressel (Michael.Dressel@cern.ch)
// ----------------------------------------------------------------------
#ifndef G4MScoreProcess_hh 
#define G4MScoreProcess_hh G4MScoreProcess_hh 

#include "G4VProcess.hh"

class G4VPScorer;

class G4MScoreProcess : public G4VProcess
{

public:  // with description

  G4MScoreProcess(G4VPScorer &aScorer,
		  const G4String &aName = "MScoreProcess");
    // take reference to scorer and coppy particle name and
    // create a G4ParticleChange

  virtual ~G4MScoreProcess();
    // delete the G4ParticleChange

  virtual G4double 
  PostStepGetPhysicalInteractionLength(const G4Track& aTrack,
				       G4double   previousStepSize,
				       G4ForceCondition* condition);
    // make processed being forced

  virtual G4VParticleChange * PostStepDoIt(const G4Track&, const G4Step&);
    // message "scorer" with  G4Step and a G4PStep from the "mass" 
    // geometry

public:  // without description

  // no operation in  AtRestDoIt and  AlongStepDoIt

  G4double 
  AlongStepGetPhysicalInteractionLength(const G4Track&,
					G4double  ,
					G4double  ,
					G4double& ,
					G4GPILSelection*) {return -1.0;}
  
  G4double 
  AtRestGetPhysicalInteractionLength(const G4Track&,
				     G4ForceCondition*) {return -1.0;}
  
  G4VParticleChange* AtRestDoIt(const G4Track&,
	                        const G4Step&) {return 0;}
  G4VParticleChange* AlongStepDoIt(const G4Track&,
				   const G4Step&) {return 0;}
  
private:

  G4MScoreProcess(const G4MScoreProcess &);
  G4MScoreProcess &operator=(const G4MScoreProcess &);

private:

  G4VPScorer &fScorer;  
};

#endif