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//
//  Gorad (Geant4 Open-source Radiation Analysis and Design)
//
//  Author : Makoto Asai (SLAC National Accelerator Laboratory)
//
//  Development of Gorad is funded by NASA Johnson Space Center (JSC)
//  under the contract NNJ15HK11B.
//
// ********************************************************************
//
// GRParallelWorldPhysics.cc
//   Utility class that adds GRParallelWorldBiasingProcess to the
//   process managers of particles
//
// History
//   September 8th, 2020 : first implementation
//
// ********************************************************************

#include "GRParallelWorldPhysics.hh"

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

#include "G4TransportationManager.hh"
#include "GRParallelWorldBiasingProcess.hh"

// factory
#include "G4PhysicsConstructorFactory.hh"
//
G4_DECLARE_PHYSCONSTR_FACTORY(GRParallelWorldPhysics);

GRParallelWorldPhysics::GRParallelWorldPhysics(const G4String& name, G4bool layeredMass)
   :  G4VPhysicsConstructor(name), fLayeredMass(layeredMass)
{;}

GRParallelWorldPhysics::~GRParallelWorldPhysics()
{;}

void GRParallelWorldPhysics::ConstructParticle()
{;}

void GRParallelWorldPhysics::ConstructProcess()
{
  // Make sure the parallel world registered
  G4TransportationManager::GetTransportationManager()
   ->GetParallelWorld(namePhysics);

  // Add parallel world process
  GRParallelWorldBiasingProcess* theParallelWorldProcess
      = new GRParallelWorldBiasingProcess(namePhysics);
  theParallelWorldProcess->SetParallelWorld(namePhysics);
  theParallelWorldProcess->SetLayeredMaterialFlag(fLayeredMass);

  auto myParticleIterator=GetParticleIterator();
  myParticleIterator->reset();
  while( (*myParticleIterator)() ){
    G4ParticleDefinition* particle = myParticleIterator->value();
    G4ProcessManager* pmanager = particle->GetProcessManager();
    pmanager->AddProcess(theParallelWorldProcess);
    if(theParallelWorldProcess->IsAtRestRequired(particle))
    {pmanager->SetProcessOrdering(theParallelWorldProcess, idxAtRest, 9900);}
    pmanager->SetProcessOrderingToSecond(theParallelWorldProcess, idxAlongStep);
    pmanager->SetProcessOrdering(theParallelWorldProcess, idxPostStep, 9900);
  }
}