#if !defined(__CLING__) || defined(__ROOTCLING__)

#include <Rtypes.h>

#include <TSystem.h>

#include <TMath.h>

#include <TString.h>

#include <TStopwatch.h>

#include <TGeoManager.h>

#include "FairRunSim.h"

#include "FairRuntimeDb.h"

#include "FairPrimaryGenerator.h"

#include "FairBoxGenerator.h"

#include "FairParRootFileIo.h"

#include "DetectorsPassive/Cave.h"

#include "Field/MagneticField.h"

#include "ITSBase/GeometryTGeo.h"

#include "ITSMFTBase/SegmentationAlpide.h"

#include "ITSSimulation/Detector.h"

#include "ITSSimulation/Detector.h"

#include "TPCSimulation/Detector.h"

#endif

double radii2Turbo(double rMin, double rMid, double rMax, double sensW)

{

// compute turbo angle from radii and sensor width

return TMath::ASin((rMax * rMax - rMin * rMin) / (2 * rMid * sensW)) * TMath::RadToDeg();

}

void run_sim(Int_t nEvents = 2, TString mcEngine = "TGeant3")

{

TString dir = getenv("VMCWORKDIR");

TString geom_dir = dir + "/Detectors/Geometry/";

gSystem->Setenv("GEOMPATH",geom_dir.Data());

TString tut_configdir = dir + "/Detectors/gconfig";

gSystem->Setenv("CONFIG_DIR",tut_configdir.Data());

// Output file name

char fileout[100];

sprintf(fileout, "AliceO2_%s.mc_%i_event.root", mcEngine.Data(), nEvents);

TString outFile = fileout;

// Parameter file name

char filepar[100];

sprintf(filepar, "AliceO2_%s.params_%i.root", mcEngine.Data(), nEvents);

TString parFile = filepar;

// In general, the following parts need not be touched

// Debug option

gDebug = 0;

// Timer

TStopwatch timer;

timer.Start();

// CDB manager

// o2::ccdb::Manager *cdbManager = o2::ccdb::Manager::Instance();

// cdbManager->setDefaultStorage("local://$ALICEO2/tpc/dirty/o2cdb");

// cdbManager->setRun(0);

// gSystem->Load("libAliceO2Base");

// gSystem->Load("libAliceO2its");

// Create simulation run

FairRunSim* run = new FairRunSim();

run->SetName(mcEngine); // Transport engine

run->SetOutputFile(outFile); // Output file

FairRuntimeDb* rtdb = run->GetRuntimeDb();

// Create media

run->SetMaterials("media.geo"); // Materials

// Create geometry

o2::passive::Cave* cave = new o2::passive::Cave("CAVE");

cave->SetGeometryFileName("cave.geo");

run->AddModule(cave);

// FairDetector* tpc = new O2tpc("TPCV2");

// tpc->SetGeometry();

// run->AddModule(tpc);

// TGeoGlobalMagField::Instance()->SetField(new o2::field::MagneticField("Maps","Maps", -1., -1., o2::field::MagneticField::k5kG));

o2::field::MagneticField field("field","field +5kG");

run->SetField(&field);

// ===| Add ITS |============================================================

o2::its::Detector* its = new o2::its::Detector(kTRUE);

run->AddModule(its);

// ===| Add TPC |============================================================

o2::tpc::Detector* tpc = new o2::tpc::Detector(kTRUE);

//tpc->SetGeoFileName("TPCGeometry.root");

run->AddModule(tpc);

// Create PrimaryGenerator

FairPrimaryGenerator* primGen = new FairPrimaryGenerator();

FairBoxGenerator* boxGen = new FairBoxGenerator(2212, 1); /*protons*/

//boxGen->SetThetaRange(0.0, 90.0);

boxGen->SetEtaRange(-0.9,0.9);

boxGen->SetPRange(100, 100.01);

boxGen->SetPhiRange(0., 360.);

boxGen->SetDebug(kTRUE);

primGen->AddGenerator(boxGen);

run->SetGenerator(primGen);

// store track trajectories

// run->SetStoreTraj(kTRUE);

// Initialize simulation run

run->Init();

// Runtime database

Bool_t kParameterMerged = kTRUE;

FairParRootFileIo* parOut = new FairParRootFileIo(kParameterMerged);

parOut->open(parFile.Data());

rtdb->setOutput(parOut);

rtdb->saveOutput();

rtdb->print();

// Start run

run->Run(nEvents);

// run->CreateGeometryFile("geofile_full.root");

// Finish

timer.Stop();

Double_t rtime = timer.RealTime();

Double_t ctime = timer.CpuTime();

std::cout << std::endl << std::endl;

std::cout << "Macro finished succesfully." << std::endl;

std::cout << "Output file is " << outFile << std::endl;

std::cout << "Parameter file is " << parFile << std::endl;

std::cout << "Real time " << rtime << " s, CPU time " << ctime << "s" << std::endl << std::endl;

delete run;

return;

}