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// $Id: G4ErrorPhysicsList.cc,v 1.3 2009/05/14 13:54:34 arce Exp $
// GEANT4 tag $Name: geant4-09-03 $
//
// ------------------------------------------------------------
//      GEANT 4 class implementation file 
// ------------------------------------------------------------

#include "globals.hh"

#include "G4ErrorPhysicsList.hh"
#include "G4ComptonScattering.hh"
#include "G4GammaConversion.hh"
#include "G4PhotoElectricEffect.hh"
 
#include "G4eIonisation.hh"
#include "G4eBremsstrahlung.hh"
#include "G4eplusAnnihilation.hh"

#include "G4MuIonisation.hh"
#include "G4MuBremsstrahlung.hh"
#include "G4MuPairProduction.hh"

#include "G4hIonisation.hh"

#include "G4MuIonisation.hh"
#include "G4MuBremsstrahlung.hh"
#include "G4MuPairProduction.hh"

#include "G4hIonisation.hh"

#include "G4ParticleDefinition.hh"
#include "G4ProcessManager.hh"
#include "G4ProcessVector.hh"
#include "G4ParticleTypes.hh"
#include "G4ParticleTable.hh"
#include "G4Material.hh"
#include "G4MaterialTable.hh"
#include "G4ios.hh"
#include "G4PhysicsTable.hh"
#include "G4Transportation.hh"

#include "G4ErrorEnergyLoss.hh"

//------------------------------------------------------------------------
G4ErrorPhysicsList::G4ErrorPhysicsList():  G4VUserPhysicsList()
{
  defaultCutValue = 1.0E+9*cm; // set big step so that AlongStep computes all the energy
}


//------------------------------------------------------------------------
G4ErrorPhysicsList::~G4ErrorPhysicsList()
{
}


//------------------------------------------------------------------------
void G4ErrorPhysicsList::ConstructParticle()
{
// In this method, static member functions should be called
  // for all particles which you want to use.
  // This ensures that objects of these particle types will be
  // created in the program. 
  //  gamma
  G4Gamma::GammaDefinition(); 
  //  e+/-
  G4Electron::ElectronDefinition();
  G4Positron::PositronDefinition();
  // mu+/-
  G4MuonPlus::MuonPlusDefinition();
  G4MuonMinus::MuonMinusDefinition();

  // pi+/-
  G4PionPlus::PionPlusDefinition();
  G4PionMinus::PionMinusDefinition();

  // proton
  G4Proton::ProtonDefinition();

}


//------------------------------------------------------------------------
void G4ErrorPhysicsList::ConstructProcess()
{
  G4Transportation* theTransportationProcess= new G4Transportation();

#ifdef G4VERBOSE
    if (verboseLevel >= 4){
      G4cout << "G4VUserPhysicsList::ConstructProcess()  "<< G4endl;
    }
#endif

  // loop over all particles in G4ParticleTable
  theParticleIterator->reset();
  while( (*theParticleIterator)() ){
    G4ParticleDefinition* particle = theParticleIterator->value();
    G4ProcessManager* pmanager = particle->GetProcessManager();
    if (!particle->IsShortLived()) {
      G4cout << particle << "G4ErrorPhysicsList:: particle process manager " << particle->GetParticleName() << " = " << particle->GetProcessManager() << G4endl;
      // Add transportation process for all particles other than  "shortlived"
      if ( pmanager == 0) {
        // Error !! no process manager
        G4String particleName = particle->GetParticleName();
        G4Exception("G4ErrorPhysicsList::ConstructProcess","No process manager",
                    RunMustBeAborted, particleName );
      } else {
        // add transportation with ordering = ( -1, "first", "first" )
        pmanager ->AddProcess(theTransportationProcess);
        pmanager ->SetProcessOrderingToFirst(theTransportationProcess, idxAlongStep);
        pmanager ->SetProcessOrderingToFirst(theTransportationProcess, idxPostStep);
      }
    } else {
      // shortlived particle case
    }
  }

  ConstructEM();
}


//------------------------------------------------------------------------
#include "G4eBremsstrahlung.hh"
#include "G4eIonisation.hh"

#include "G4eIonisation.hh"

#include "G4MuBremsstrahlung.hh"
#include "G4MuIonisation.hh"
#include "G4MuPairProduction.hh"

#include "G4PhysicsTable.hh"

#include "G4VEnergyLoss.hh"

#include "G4MuIonisation.hh"

#include "G4ErrorStepLengthLimitProcess.hh"
#include "G4ErrorMagFieldLimitProcess.hh"
#include "G4ErrorMessenger.hh"

void G4ErrorPhysicsList::ConstructEM()
{

  G4ErrorEnergyLoss* eLossProcess = new G4ErrorEnergyLoss;
  G4ErrorStepLengthLimitProcess* stepLengthLimitProcess = new G4ErrorStepLengthLimitProcess;
  G4ErrorMagFieldLimitProcess* magFieldLimitProcess = new G4ErrorMagFieldLimitProcess;
  new G4ErrorMessenger( stepLengthLimitProcess, magFieldLimitProcess, eLossProcess );

  theParticleIterator->reset();
  while( (*theParticleIterator)() ){
    G4ParticleDefinition* particle = theParticleIterator->value();
    G4ProcessManager* pmanager = particle->GetProcessManager();
    G4String particleName = particle->GetParticleName();
     
    if (particleName == "gamma") {
    // gamma
      pmanager->AddDiscreteProcess(new G4GammaConversion());
      pmanager->AddDiscreteProcess(new G4ComptonScattering());      
      pmanager->AddDiscreteProcess(new G4PhotoElectricEffect());

      //    } else if (particleName == "e-" || particleName == "e+"
      //               || particleName == "mu+" || particleName == "mu-" ) {
    }else if (!particle->IsShortLived() && particle->GetPDGCharge() != 0 ) {
  
      pmanager->AddContinuousProcess(eLossProcess,1);
      pmanager->AddDiscreteProcess( stepLengthLimitProcess, 2 ); 
      pmanager->AddDiscreteProcess( magFieldLimitProcess, 3 );     
      
    } else if ((!particle->IsShortLived()) &&
               (particle->GetPDGCharge() != 0.0) && 
               (particle->GetParticleName() != "chargedgeantino")) {
     // all others charged particles except geantino
      //   G4VProcess* aMultipleScattering = new G4MultipleScattering();
     G4VProcess* anIonisation        = new G4hIonisation();     
     ////G4VProcess*  theUserCuts = new G4UserSpecialCuts();
     
     //
     // add processes
     pmanager->AddProcess(anIonisation);
     //   pmanager->AddProcess(aMultipleScattering);    
     ////pmanager->AddProcess(theUserCuts);
     
     //
     // set ordering for AlongStepDoIt
     //   pmanager->SetProcessOrdering(aMultipleScattering, idxAlongStep,1);
     pmanager->SetProcessOrdering(anIonisation, idxAlongStep,1);
     
     //
     // set ordering for PostStepDoIt
     //   pmanager->SetProcessOrdering(aMultipleScattering, idxPostStep,1);
     pmanager->SetProcessOrdering(anIonisation, idxPostStep,1);
     ////pmanager->SetProcessOrdering(theUserCuts,     idxPostStep,2);
    }
  }
}


//------------------------------------------------------------------------
void G4ErrorPhysicsList::SetCuts()
{
  //  " G4VUserPhysicsList::SetCutsWithDefault" method sets 
  //   the default cut value or all particle types 
  SetCutsWithDefault(); 
  // if (verboseLevel>0) 
  //  DumpCutValuesTable();
}