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/// \file electromagnetic/TestEm12/src/StepMax.cc
/// \brief Implementation of the StepMax class
//
// $Id$
//
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#include "StepMax.hh"
#include "StepMaxMessenger.hh"

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StepMax::StepMax(const G4String& processName, G4ProcessType type)
 : G4VDiscreteProcess(processName,type),fMess(0)
{
  fMaxStep1 = fMaxStep2 = DBL_MAX;
  fApplyMaxStep2 = true;
  fMess = new StepMaxMessenger(this);
}

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StepMax::~StepMax() { delete fMess; }

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G4bool StepMax::IsApplicable(const G4ParticleDefinition& particle)
{
  return (particle.GetPDGCharge() != 0. && !particle.IsShortLived());
}

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void StepMax::SetMaxStep1(G4double step) {fMaxStep1 = step;}

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void StepMax::SetMaxStep2(G4double step) {fMaxStep2 = step;}

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void StepMax::ApplyMaxStep2(G4bool value) {fApplyMaxStep2 = value;}

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G4double StepMax::PostStepGetPhysicalInteractionLength( const G4Track&,
                                                   G4double,
                                                   G4ForceCondition* condition )
{
  // condition is set to "Not Forced"
  *condition = NotForced;

  if (fApplyMaxStep2 ) return fMaxStep2;
  else                return fMaxStep1;
}

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G4VParticleChange* StepMax::PostStepDoIt(const G4Track& aTrack, const G4Step&)
{
   // do nothing
   aParticleChange.Initialize(aTrack);
   return &aParticleChange;
}

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