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/// \file StepMaxProcess.cc
/// \brief Implementation of the StepMaxProcess class

#include "StepMaxProcess.hh"

#include "HistoManager.hh"
#include "StepMaxMessenger.hh"

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

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

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

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

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

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

  if (fApplyMaxStep2) {
    G4AnalysisManager* analysisManager = G4AnalysisManager::Instance();
    G4int ih = 10;
    if (analysisManager->GetH1Activation(ih))
      fMaxStep2 = analysisManager->GetH1Width(ih) * analysisManager->GetH1Unit(ih);
    return fMaxStep2;
  }
  else
    return fMaxStep1;
}

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

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