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//
/// \file medical/GammaTherapy/include/StepLimiter.hh
/// \brief Definition of the StepLimiter class
//
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#ifndef StepLimiter_h
#define StepLimiter_h 1

#include "globals.hh"
#include "G4VDiscreteProcess.hh"
#include "G4ParticleDefinition.hh"
#include "G4Step.hh"
#include "G4Track.hh"

class StepLimiterMessenger;

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class StepLimiter : public G4VDiscreteProcess
{
public:

  StepLimiter(const G4String& processName = "UserMaxStep");
  virtual ~StepLimiter();

  G4bool IsApplicable(const G4ParticleDefinition&);

  //G4double GetMaxStep() {return MaxChargedStep;};

  G4double PostStepGetPhysicalInteractionLength(const G4Track& track,
                                                G4double previousStepSize,
                                                G4ForceCondition* condition);

  G4VParticleChange* PostStepDoIt(const G4Track&, const G4Step&);

  G4double GetMeanFreePath(const G4Track&, G4double, G4ForceCondition*);

  inline void SetMaxStep(G4double);

private:

  StepLimiter & operator=(const StepLimiter &right);
  StepLimiter(const StepLimiter&);

  G4double fMaxChargedStep;

  StepLimiterMessenger* fMessenger;
};

inline void StepLimiter::SetMaxStep(G4double value) 
{
  fMaxChargedStep = value;
}

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#endif

