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// $Id: G4QElasticPhysics.cc,v 1.2 2010/06/04 10:44:07 mkossov Exp $
// GEANT4 tag $Name: geant4-09-04-beta-01 $
//
//---------------------------------------------------------------------------
//
// ClassName:   G4QElasticPhysics
//
// Author: 3 Nov 2010 M. Kosov
//
// Modified:
//
//----------------------------------------------------------------------------
//

#include "G4QElasticPhysics.hh"

#include "G4UHadronElasticProcess.hh"
#include "G4HadronicInteraction.hh"
#include "G4HadronElastic.hh"
#include "G4QElastic.hh"

#include "G4VQCrossSection.hh"

#include "G4ParticleDefinition.hh"
#include "G4ProcessManager.hh"

#include "G4MesonConstructor.hh"
#include "G4BaryonConstructor.hh"
#include "G4IonConstructor.hh"

G4QElasticPhysics::G4QElasticPhysics(const G4String& name,  G4int ver)
  : G4VPhysicsConstructor(name), verbose(ver), wasActivated(false)
{
  if(verbose > 1) G4cout << "### QElasticPhysics is initialized" << G4endl;
  model = 0;
}

void G4QElasticPhysics::ConstructParticle()
{
  G4MesonConstructor pMesonConstructor;
  pMesonConstructor.ConstructParticle();

  G4BaryonConstructor pBaryonConstructor;
  pBaryonConstructor.ConstructParticle();

  //  Construct light ions
  G4IonConstructor pConstructor;
  pConstructor.ConstructParticle();  
}

void G4QElasticPhysics::ConstructProcess()
{
  if(wasActivated) return;
  wasActivated = true;

  process = new G4QElastic();

  theParticleIterator->reset();
  while( (*theParticleIterator)() )
  {
    G4ParticleDefinition* particle = theParticleIterator->value();
    G4String pname = particle->GetParticleName();
    G4ProcessManager* pmanager = particle->GetProcessManager();
    if(pname == "anti_neutron" ||
       pname == "anti_proton"  ||
       pname == "anti_lambda"  ||
       pname == "anti_sigma-"  ||
       pname == "anti_sigma0"  ||
       pname == "anti_sigma+"  ||
       pname == "anti_xi-"     ||
       pname == "anti_xi0"     ||
       pname == "anti_omega-"  || 
       pname == "pi-"          ||
       pname == "pi+"          ||
       pname == "kaon-"        ||
       pname == "kaon+"        ||
       pname == "kaon0S"       ||
       pname == "kaon0L"       ||
       pname == "lambda"       ||
       pname == "sigma-"       ||
       pname == "sigma0"       ||
       pname == "sigma+"       ||
       pname == "xi-"          ||
       pname == "xi0"          ||
       pname == "omega-"       )
    {
      pmanager->AddDiscreteProcess(process);
      if(verbose>0) G4cout<<"### G4QElastic process is added for particle="<<pname<<G4endl;
    }
  }
}