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// $Id: G4HadronElasticPhysicsLHEP.cc,v 1.2 2010/06/03 14:28:32 vnivanch Exp $
// GEANT4 tag $Name: geant4-09-04-beta-01 $
//
//---------------------------------------------------------------------------
//
// ClassName:   G4HadronElasticPhysicsLHEP
//
// Author: 3 June 2010 V. Ivanchenko
//
// Modified:
//
//----------------------------------------------------------------------------
//
// LHEP x-sectios and sampling

#include "G4HadronElasticPhysicsLHEP.hh"

#include "G4HadronicProcess.hh"
#include "G4HadronElasticProcess.hh"
#include "G4HadronicInteraction.hh"
#include "G4LElastic.hh"

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

#include "G4MesonConstructor.hh"
#include "G4BaryonConstructor.hh"
#include "G4IonConstructor.hh"
#include "G4Neutron.hh"

G4HadronElasticPhysicsLHEP::G4HadronElasticPhysicsLHEP(G4int ver)
  : G4VPhysicsConstructor("hElasticLHEP"), verbose(ver), 
    wasActivated(false)
{
  if(verbose > 1) { 
    G4cout << "### G4HadronElasticPhysicsLHEP: " << GetPhysicsName() 
	   << G4endl; 
  }
}

G4HadronElasticPhysicsLHEP::~G4HadronElasticPhysicsLHEP()
{}

void G4HadronElasticPhysicsLHEP::ConstructParticle()
{
// G4cout << "G4HadronElasticPhysicsLHEP::ConstructParticle" << G4endl;
  G4MesonConstructor pMesonConstructor;
  pMesonConstructor.ConstructParticle();

  G4BaryonConstructor pBaryonConstructor;
  pBaryonConstructor.ConstructParticle();

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

void G4HadronElasticPhysicsLHEP::ConstructProcess()
{
  if(wasActivated) return;
  wasActivated = true;

  if(verbose > 1) {
    G4cout << "### HadronElasticPhysicsLHEP Construct Processes" 
	   << G4endl;
  }
  G4HadronicProcess* hel = 0;
  G4HadronicInteraction* model = new G4LElastic();

  theParticleIterator->reset();
  while( (*theParticleIterator)() )
  {
    G4ParticleDefinition* particle = theParticleIterator->value();
    G4ProcessManager* pmanager = particle->GetProcessManager();
    G4String pname = particle->GetParticleName();
    if(pname == "anti_lambda"  ||
       pname == "anti_neutron" ||
       pname == "anti_omega-"  || 
       pname == "anti_proton"  || 
       pname == "anti_sigma-"  || 
       pname == "anti_sigma+"  || 
       pname == "anti_xi-"  || 
       pname == "anti_xi0"  || 
       pname == "kaon-"     || 
       pname == "kaon+"     || 
       pname == "kaon0S"    || 
       pname == "kaon0L"    || 
       pname == "lambda"    || 
       pname == "omega-"    || 
       pname == "sigma-"    || 
       pname == "sigma+"    || 
       pname == "xi-"       || 
       pname == "neutron"   || 
       pname == "proton"    || 
       pname == "pi+"       || 
       pname == "pi-"       || 
       pname == "alpha"     ||
       pname == "deuteron"  ||
       pname == "triton") {
      
      hel = new G4HadronElasticProcess("hElasticLHEP");
      hel->RegisterMe(model);
      pmanager->AddDiscreteProcess(hel);
      if(verbose > 1) {
	G4cout << "### HadronElasticPhysicsLHEP added for " 
	       << particle->GetParticleName() << G4endl;
      }
    }
  }
}