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// $Id: G4EmExtraPhysics.cc,v 1.1 2006/10/31 11:35:02 gunter Exp $
// GEANT4 tag $Name: geant4-08-02 $
//
//---------------------------------------------------------------------------
//
// ClassName:   G4EmExtraPhysics
//
// Author: 2002 J.P. Wellisch
//
// Modified:
// 10.11.2005 V.Ivanchenko edit to provide a standard
// 19.06.2006 V.Ivanchenko add mu-nuclear process
//
//----------------------------------------------------------------------------
//

#include "G4EmExtraPhysics.hh"

#include "G4SynchrotronRadiation.hh"

#include "G4ParticleDefinition.hh"
#include "G4ParticleTable.hh"
#include "G4Gamma.hh"
#include "G4Electron.hh"
#include "G4Positron.hh"
#include "G4ProcessManager.hh"

G4EmExtraPhysics::G4EmExtraPhysics(const G4String& name): G4VPhysicsConstructor(name),
  wasActivated(false), synchOn(false),
  gammNucOn(true), muNucOn(false), theElectronSynch(0), thePositronSynch(0),
  theGNPhysics(0),theMuNuc1(0),theMuNuc2(0)
{
  theMessenger = new G4EmMessenger(this);
}

G4EmExtraPhysics::~G4EmExtraPhysics()
{
  delete theMessenger;
  if(theElectronSynch) delete theElectronSynch;
  if(thePositronSynch) delete thePositronSynch;
  if(theGNPhysics)     delete theGNPhysics;
  if(theMuNuc1)        delete theMuNuc1;
  if(theMuNuc2)        delete theMuNuc2;
}

void G4EmExtraPhysics::Synch(G4String & newState)
{
  if(newState == "on") synchOn = true;
  else                 synchOn = false;
}

void G4EmExtraPhysics::GammaNuclear(G4String & newState)
{
  if(newState == "on") gammNucOn = true;
  else                 gammNucOn = false;
}

void G4EmExtraPhysics::MuonNuclear(G4String & newState)
{
  if(newState == "on") muNucOn = true;
  else                 muNucOn = false;
}

void G4EmExtraPhysics::ConstructParticle()
{
  G4Gamma::Gamma();
  G4Electron::Electron();
  G4Positron::Positron();
}

void G4EmExtraPhysics::ConstructProcess()
{
  G4ProcessManager * pManager = 0;
  wasActivated = true;

  if(synchOn) {
    pManager = G4Electron::Electron()->GetProcessManager();
    theElectronSynch = new G4SynchrotronRadiation();
    pManager->AddDiscreteProcess(theElectronSynch);

    pManager = G4Positron::Positron()->GetProcessManager();
    thePositronSynch = new G4SynchrotronRadiation();
    pManager->AddDiscreteProcess(thePositronSynch);
  }
  if (gammNucOn) {
    theGNPhysics = new G4ElectroNuclearBuilder();
    theGNPhysics->Build();
  }
  if(muNucOn) {
    pManager  = G4MuonPlus::MuonPlus()->GetProcessManager();
    theMuNuc1 = new G4MuNuclearInteraction("muNucl");
    pManager->AddDiscreteProcess(theMuNuc1);

    pManager  = G4MuonMinus::MuonMinus()->GetProcessManager();
    theMuNuc2 = new G4MuNuclearInteraction("muNucl");
    pManager->AddDiscreteProcess(theMuNuc2);
  }
}