//
// ********************************************************************
// * License and Disclaimer                                           *
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//
//  Gorad (Geant4 Open-source Radiation Analysis and Design)
//
//  Author : Makoto Asai (SLAC National Accelerator Laboratory)
//
//  Development of Gorad is funded by NASA Johnson Space Center (JSC)
//  under the contract NNJ15HK11B.
//
// ********************************************************************
//
// GRParallelWorldBiasingProcess.hh
//   Header file of a process that takes care of the geometry
//   importance biasing
//
// History
//   September 8th, 2020 : first implementation
//
// ********************************************************************

#ifndef GRParallelWorldBiasingProcess_h
#define GRParallelWorldBiasingProcess_h 1

#include "globals.hh"
class G4Step;
class G4Track;
class G4VParticleChange;
class G4ParticleChange;
class G4ParticleChangeForNothing;
#include "G4ParallelWorldProcess.hh"

// Class Description:

class GRParallelWorldBiasingProcess : public G4ParallelWorldProcess
{
public: 
  GRParallelWorldBiasingProcess(const G4String& processName = "ParaWorld",
                                     G4ProcessType theType = fParallel);
  virtual ~GRParallelWorldBiasingProcess();
  
  G4VParticleChange* PostStepDoIt(const G4Track&,const G4Step&);

private:
  G4ParticleChange* particleChange;
  G4ParticleChangeForNothing* emptyParticleChange;

};

#endif