TG4StackPopper.h

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#ifndef TG4_STACK_POPPER_H
#define TG4_STACK_POPPER_H
 
//------------------------------------------------
// The Geant4 Virtual Monte Carlo package
// Copyright (C) 2007 - 2014 Ivana Hrivnacova
// All rights reserved.
//
// For the licensing terms see geant4_vmc/LICENSE.
// Contact: root-vmc@cern.ch
//-------------------------------------------------

 
#include <G4VProcess.hh>
 
class TVirtualMCStack;
 
class G4Track;

 
enum TG4StackPopperProcessType
{
  fStackPopper = 601
};

 
class TG4StackPopper : public G4VProcess
{
 public:
  TG4StackPopper(const G4String& processName = "stackPopper");
  virtual ~TG4StackPopper();
 
  // static access method
  static TG4StackPopper* Instance();
 
  // methods
  virtual G4bool IsApplicable(
    const G4ParticleDefinition& /*particleDefinition*/);
 
  virtual G4double PostStepGetPhysicalInteractionLength(const G4Track& track,
    G4double previousStepSize, G4ForceCondition* condition);
 
  virtual G4VParticleChange* PostStepDoIt(
    const G4Track& track, const G4Step& step);
 
  // No operation in AlongStepDoIt and AtRestDoIt
 
  virtual G4double AlongStepGetPhysicalInteractionLength(
    const G4Track& /*track*/, G4double /*previousStepSize*/,
    G4double /*currentMinimumStep*/, G4double& /*proposedSafety*/,
    G4GPILSelection* /*selection*/)
  {
    return -1.0;
  }
 
  virtual G4double AtRestGetPhysicalInteractionLength(
    const G4Track& /*track*/, G4ForceCondition* /*condition*/)
  {
    return -1.0;
  }
 
  virtual G4VParticleChange* AlongStepDoIt(
    const G4Track& /*track*/, const G4Step& /*step*/)
  {
    return 0;
  }
 
  virtual G4VParticleChange* AtRestDoIt(
    const G4Track& /*track*/, const G4Step& /*step*/)
  {
    return 0;
  }
 
  void Notify();
  void Reset();
  void SetMCStack(TVirtualMCStack* mcStack);
  void SetDoExclusiveStep(G4TrackStatus trackStatus);
 
  G4bool HasPoppedTracks() const;
 
 private:
  TG4StackPopper(const TG4StackPopper& right);
  TG4StackPopper& operator=(const TG4StackPopper& right);

  static G4ThreadLocal TG4StackPopper* fgInstance;

  TVirtualMCStack* fMCStack;

  G4int fNofDoneTracks;

  G4bool fDoExclusiveStep;

  G4TrackStatus fTrackStatus;
};
 
// inline methods
 
inline TG4StackPopper* TG4StackPopper::Instance()
{
  return fgInstance;
}
 
inline G4bool TG4StackPopper::IsApplicable(
  const G4ParticleDefinition& /*particleDefinition*/)
{
  return true;
}
 
inline void TG4StackPopper::SetMCStack(TVirtualMCStack* mcStack)
{
  fMCStack = mcStack;
}
 
#endif // TG4_STACK_POPPER_H