//
// ********************************************************************
// * DISCLAIMER                                                       *
// *                                                                  *
// * The following disclaimer summarizes all the specific disclaimers *
// * of contributors to this software. The specific disclaimers,which *
// * govern, are listed with their locations in:                      *
// *   http://cern.ch/geant4/license                                  *
// *                                                                  *
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// * institutes,nor the agencies providing financial support for this *
// * work  make  any representation or  warranty, express or implied, *
// * regarding  this  software system or assume any liability for its *
// * use.                                                             *
// *                                                                  *
// * This  code  implementation is the  intellectual property  of the *
// * GEANT4 collaboration.                                            *
// * By copying,  distributing  or modifying the Program (or any work *
// * based  on  the Program)  you indicate  your  acceptance of  this *
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//
//
// $Id: Em2PhysicsList.cc,v 1.7 2001/10/25 15:12:07 maire Exp $
// GEANT4 tag $Name: geant4-04-01 $
//
// 

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#include "Em2PhysicsList.hh"
#include "Em2PhysicsListMessenger.hh"

#include "G4ParticleDefinition.hh"
#include "G4ParticleWithCuts.hh"
#include "G4ProcessManager.hh"
#include "G4ParticleTypes.hh"
#include "G4ParticleTable.hh"
#include "G4Material.hh"
#include "G4ios.hh"

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Em2PhysicsList::Em2PhysicsList()
: G4VUserPhysicsList()
{
  currentDefaultCut = defaultCutValue = 1.0*mm;
  cutForGamma       = defaultCutValue;
  cutForElectron    = defaultCutValue;
  cutForProton      = defaultCutValue;
  
  pMessenger = new Em2PhysicsListMessenger(this);

  SetVerboseLevel(1);
}

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Em2PhysicsList::~Em2PhysicsList()
{delete pMessenger;}

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void Em2PhysicsList::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. 

  ConstructBosons();
  ConstructLeptons();
  ConstructMesons();
  ConstructBarions();
}

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void Em2PhysicsList::ConstructBosons()
{
  // pseudo-particles
  G4Geantino::GeantinoDefinition();
  G4ChargedGeantino::ChargedGeantinoDefinition();
  
  // gamma
  G4Gamma::GammaDefinition();
  
  // optical photon
  G4OpticalPhoton::OpticalPhotonDefinition();
}
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void Em2PhysicsList::ConstructLeptons()
{
  // leptons
  G4Electron::ElectronDefinition();
  G4Positron::PositronDefinition();
  G4MuonPlus::MuonPlusDefinition();
  G4MuonMinus::MuonMinusDefinition();

  G4NeutrinoE::NeutrinoEDefinition();
  G4AntiNeutrinoE::AntiNeutrinoEDefinition();
  G4NeutrinoMu::NeutrinoMuDefinition();
  G4AntiNeutrinoMu::AntiNeutrinoMuDefinition();  
}
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void Em2PhysicsList::ConstructMesons()
{
 //  mesons
  G4PionPlus::PionPlusDefinition();
  G4PionMinus::PionMinusDefinition();
  G4PionZero::PionZeroDefinition();
  G4Eta::EtaDefinition();
  G4EtaPrime::EtaPrimeDefinition();
  G4KaonPlus::KaonPlusDefinition();
  G4KaonMinus::KaonMinusDefinition();
  G4KaonZero::KaonZeroDefinition();
  G4AntiKaonZero::AntiKaonZeroDefinition();
  G4KaonZeroLong::KaonZeroLongDefinition();
  G4KaonZeroShort::KaonZeroShortDefinition();
}

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void Em2PhysicsList::ConstructBarions()
{
//  barions
  G4Proton::ProtonDefinition();
  G4AntiProton::AntiProtonDefinition();
  G4Neutron::NeutronDefinition();
  G4AntiNeutron::AntiNeutronDefinition();
}


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void Em2PhysicsList::ConstructProcess()
{
  AddTransportation();
  ConstructEM();
  ConstructGeneral();
}

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#include "G4ComptonScattering.hh"
#include "G4GammaConversion.hh"
#include "G4PhotoElectricEffect.hh"

#include "G4MultipleScattering.hh"

#include "G4eIonisation.hh"
#include "G4eBremsstrahlung.hh"
#include "G4eplusAnnihilation.hh"

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

#include "G4hIonisation.hh"

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void Em2PhysicsList::ConstructEM()
{
  theParticleIterator->reset();
  while( (*theParticleIterator)() ){
    G4ParticleDefinition* particle = theParticleIterator->value();
    G4ProcessManager* pmanager = particle->GetProcessManager();
    G4String particleName = particle->GetParticleName();
     
    if (particleName == "gamma") {
      // gamma         
      pmanager->AddDiscreteProcess(new G4PhotoElectricEffect);
      pmanager->AddDiscreteProcess(new G4ComptonScattering);
      pmanager->AddDiscreteProcess(new G4GammaConversion);
      
    } else if (particleName == "e-") {
      //electron
      pmanager->AddProcess(new G4MultipleScattering, -1, 1,1);
      pmanager->AddProcess(new G4eIonisation,        -1, 2,2);
      pmanager->AddProcess(new G4eBremsstrahlung,    -1,-1,3);
	    
    } else if (particleName == "e+") {
      //positron
      pmanager->AddProcess(new G4MultipleScattering, -1, 1,1);
      pmanager->AddProcess(new G4eIonisation,        -1, 2,2);
      pmanager->AddProcess(new G4eBremsstrahlung,    -1,-1,3);
      pmanager->AddProcess(new G4eplusAnnihilation,   0,-1,4);
      
    } else if( particleName == "mu+" || 
               particleName == "mu-"    ) {
      //muon  
      pmanager->AddProcess(new G4MultipleScattering,-1, 1,1);
      pmanager->AddProcess(new G4MuIonisation,      -1, 2,2);
      pmanager->AddProcess(new G4MuBremsstrahlung,  -1,-1,3);
      pmanager->AddProcess(new G4MuPairProduction,  -1,-1,4);       
     
    } else if ((!particle->IsShortLived()) &&
	       (particle->GetPDGCharge() != 0.0) && 
	       (particle->GetParticleName() != "chargedgeantino")) {
      //all others charged particles except geantino
      pmanager->AddProcess(new G4MultipleScattering,-1,1,1);
      pmanager->AddProcess(new G4hIonisation,       -1,2,2);                  
    }
  }
}

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#include "G4Decay.hh"

void Em2PhysicsList::ConstructGeneral()
{
  // Add Decay Process
  G4Decay* theDecayProcess = new G4Decay();
  theParticleIterator->reset();
  while ((*theParticleIterator)()){
      G4ParticleDefinition* particle = theParticleIterator->value();
      G4ProcessManager* pmanager = particle->GetProcessManager();
      if (theDecayProcess->IsApplicable(*particle)) { 
        pmanager ->AddProcess(theDecayProcess);
        // set ordering for PostStepDoIt and AtRestDoIt
        pmanager ->SetProcessOrdering(theDecayProcess, idxPostStep);
        pmanager ->SetProcessOrdering(theDecayProcess, idxAtRest);
      }
  }
}
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void Em2PhysicsList::SetCuts()
{
  // reactualise cutValues
  if (currentDefaultCut != defaultCutValue)
    {
     if(cutForGamma    == currentDefaultCut) cutForGamma    = defaultCutValue;
     if(cutForElectron == currentDefaultCut) cutForElectron = defaultCutValue;
     if(cutForProton   == currentDefaultCut) cutForProton   = defaultCutValue;
     currentDefaultCut = defaultCutValue;
    }
     
  if (verboseLevel >0){
    G4cout << "Em2PhysicsList::SetCuts:";
    G4cout << "CutLength : " << G4BestUnit(defaultCutValue,"Length") << G4endl;
  }  

  // set cut values for gamma at first and for e- second and next for e+,
  // because some processes for e+/e- need cut values for gamma
  SetCutValue(cutForGamma, "gamma");
  SetCutValue(cutForElectron, "e-");
  SetCutValue(cutForElectron, "e+");   
  
  // set cut values for proton and anti_proton before all other hadrons
  // because some processes for hadrons need cut values for proton/anti_proton
  SetCutValue(cutForProton, "proton");
  SetCutValue(cutForProton, "anti_proton");
     
  SetCutValueForOthers(defaultCutValue);
  
  if (verboseLevel>0) DumpCutValuesTable();
}

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void Em2PhysicsList::SetCutForGamma(G4double cut)
{
  ResetCuts();
  cutForGamma = cut;
}

void Em2PhysicsList::SetCutForElectron(G4double cut)
{
  ResetCuts();
  cutForElectron = cut;
}

void Em2PhysicsList::SetCutForProton(G4double cut)
{
  ResetCuts();
  cutForProton = cut;
}

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