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// $Id: Run.cc 68058 2013-03-13 14:47:43Z gcosmo $
// edited by gpaterno (june 2016)
//
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#include "Run.hh"

#include "G4RunManager.hh"
#include "G4Event.hh"

#include "G4SDManager.hh"
#include "G4HCofThisEvent.hh"
#include "G4THitsMap.hh"
#include "G4SystemOfUnits.hh"

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Run::Run():
G4Run(), 
fCollID_dose(-1),
fGoodEvents(0),
fSumDose(0.)
{
	G4cout << "### Run instantiated ###" << G4endl;
}

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Run::~Run(){}

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void Run::RecordEvent(const G4Event* event)
{
    //Dose hits collection ID 
	if (fCollID_dose < 0) {
   		fCollID_dose = G4SDManager::GetSDMpointer()->GetCollectionID("multisd/dose");
   		G4cout << "fCollID: " << fCollID_dose << G4endl;   
   	}
                
  	//get all Hits Collections of this Event
  	G4HCofThisEvent* HCE = event->GetHCofThisEvent();
  	if (!HCE) return;
    
	//get the hits Collection, which is basically a map: (hit,dose*), with ID = fCollID_dose
  	G4THitsMap<G4double>* evtMap = static_cast<G4THitsMap<G4double>*>(HCE->GetHC(fCollID_dose));
    
	//map iterator
  	std::map<G4int,G4double*>::iterator itr;
  
  	//Dose deposit 
  	G4double dose = 0.;
               
  	for (itr = evtMap->GetMap()->begin(); itr != evtMap->GetMap()->end(); itr++) {
    	dose = *(itr->second);
  		fSumDose += dose;
  		if (dose > 0.) fGoodEvents ++;   //gpaterno
   	}

	//call base method
  	G4Run::RecordEvent(event);      
}  

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void Run::Merge(const G4Run* aRun)
{
	//accumulate variables from each instance (one for thread) of Run
	const Run* localRun = static_cast<const Run*>(aRun);
  	fGoodEvents += localRun->fGoodEvents;
  	fSumDose    += localRun->fSumDose;

	//call base method (to pass accumulated variables to the master thread)
  	G4Run::Merge(aRun); 
} 

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