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// -----------------------------------------------------------------------------
//
// File name:     G4eAdjointMultipleScattering
//
// Author:        Vladimir Ivanchenko
//
// Creation date: 10 March 2008
//
// -----------------------------------------------------------------------------

#include "G4eAdjointMultipleScattering.hh"

#include "G4DynamicParticle.hh"
#include "G4Electron.hh"
#include "G4MscStepLimitType.hh"
#include "G4UrbanAdjointMscModel.hh"
#include "G4VMultipleScattering.hh"

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4eAdjointMultipleScattering::G4eAdjointMultipleScattering(
  const G4String& processName)
  : G4VMultipleScattering(processName)
{}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4eAdjointMultipleScattering::~G4eAdjointMultipleScattering() {}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void G4eAdjointMultipleScattering::ProcessDescription(std::ostream& out) const
{
  out << "Inverse multiple scattering for e-.\n";
  StreamProcessInfo(out);
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
G4bool G4eAdjointMultipleScattering::IsApplicable(const G4ParticleDefinition& p)
{
  return (p.GetPDGCharge() != 0.0 && !p.IsShortLived());
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void G4eAdjointMultipleScattering::InitialiseProcess(
  const G4ParticleDefinition*)
{
  if(fIsInitialized)
  {
    return;
  }
  if(EmModel(0) == nullptr)
  {
    SetEmModel(new G4UrbanAdjointMscModel());
  }
  AddEmModel(1, EmModel(0));
  fIsInitialized = true;
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void G4eAdjointMultipleScattering::StreamProcessInfo(std::ostream& out) const
{
  out << "      RangeFactor= " << RangeFactor()
      << ", stepLimType: " << StepLimitType()
      << ", latDisp: " << LateralDisplasmentFlag();
  if(StepLimitType() == fUseDistanceToBoundary)
  {
    out << ", skin= " << Skin() << ", geomFactor= " << GeomFactor();
  }
  out << "\n";
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void G4eAdjointMultipleScattering::StartTracking(G4Track*)
{
  G4DynamicParticle* aDynPart = new G4DynamicParticle(
    G4Electron::Electron(), G4ThreeVector(0., 0., 1.), 1.);
  G4Track* tempTrack = new G4Track(aDynPart, 0., G4ThreeVector(0., 0., 0.));
  G4VMultipleScattering::StartTracking(tempTrack);
  delete tempTrack;
}