// Copyright CERN and copyright holders of ALICE O2. This software is

// distributed under the terms of the GNU General Public License v3 (GPL

// Version 3), copied verbatim in the file "COPYING".

//

// See http://alice-o2.web.cern.ch/license for full licensing information.

//

// In applying this license CERN does not waive the privileges and immunities

// granted to it by virtue of its status as an Intergovernmental Organization

// or submit itself to any jurisdiction.

///

/// \file DataReaderTPC.cxx

/// \brief TPC Detector-specific reading from file(s)

/// \author julian.myrcha@cern.ch

/// \author p.nowakowski@cern.ch

#include "EventVisualisationDetectors/DataReaderTPC.h"

#include <TTree.h>

#include <TVector2.h>

#include <TError.h>

#include "DataFormatsTPC/TrackTPC.h"

namespace o2

{

namespace event_visualisation

{

DataReaderTPC::DataReaderTPC() = default;

void DataReaderTPC::open()

{

TString clusterFile = "tpc-native-clusters.root";

TString trackFile = "tpctracks.root";

this->mTracFile = TFile::Open(trackFile);

this->mClusFile = TFile::Open(clusterFile);

TTree* trec = static_cast<TTree*>(this->mTracFile->Get("tpcrec"));

std::vector<tpc::TrackTPC>* trackBuffer = nullptr;

trec->SetBranchAddress("TPCTracks", &trackBuffer);

trec->GetEntry(0);

mMaxEv = trackBuffer->size();

}

TObject* DataReaderTPC::getEventData(int no)

{

/// FIXME: Redesign the data reader class

TList* list = new TList();

list->Add(this->mTracFile);

list->Add(this->mClusFile);

TVector2* v = new TVector2(no, 0);

list->Add(v);

return list;

}

} // namespace event_visualisation

} // namespace o2