Detector.h

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// Copyright 2019-2020 CERN and copyright holders of ALICE O2.
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
// This software is distributed under the terms of the GNU General Public
// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
//
// 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.
 
 
#ifndef ALICEO2_FDD_DETECTOR_H_
#define ALICEO2_FDD_DETECTOR_H_
 
#include "SimulationDataFormat/BaseHits.h"
#include "DetectorsBase/Detector.h"
#include "DataFormatsFDD/Hit.h"
#include "FDDBase/Geometry.h"
#include <TVector3.h>
 
class FairModule;
class FairVolume;
class TGeoVolume;
 
namespace o2
{
namespace fdd
{
class Geometry;
class Hit;
class Detector : public o2::base::DetImpl<Detector>
{
 public:
  Detector(Bool_t Active);
 
  Detector() = default;
 
  ~Detector() override;
 
  void InitializeO2Detector() override;
  bool isMTSafe() const override { return true; }
 
  Bool_t ProcessHits(FairVolume* v = nullptr) override;
 
  void Register() override;
 
  o2::fdd::Hit* addHit(int trackID, unsigned short detID, const TVector3& Pos, double Time, double eLoss, int nPhot);
 
  std::vector<o2::fdd::Hit>* getHits(Int_t iColl)
  {
    if (iColl == 0) {
      return mHits;
    }
    return nullptr;
  }
 
  void Reset() override;
  void EndOfEvent() override { Reset(); }
 
  void CreateMaterials();
  void ConstructGeometry() override;
 
 private:
  Detector(const Detector& rhs);
 
  std::vector<o2::fdd::Hit>* mHits = nullptr;
  int mTrackRefLastTrackID = -1; 
 
  // state of the hit being built across steps in ProcessHits
  Float_t mElossAD = 0.; 
  Int_t mNPhotonsAD = 0; 
  TVector3 mHitPosAD;    
 
  Detector& operator=(const Detector&);
 
  Geometry* mGeometry = nullptr; 
 
  template <typename Det>
  friend class o2::base::DetImpl;
  ClassDefOverride(Detector, 1);
};
 
// Input and output function for standard C++ input/output.
std::ostream& operator<<(std::ostream& os, Detector& source);
std::istream& operator>>(std::istream& os, Detector& source);
 
} // namespace fdd
} // namespace o2
 
#ifdef USESHM
namespace o2
{
namespace base
{
template <>
struct UseShm<o2::fdd::Detector> {
  static constexpr bool value = true;
};
} // namespace base
} // namespace o2
#endif
#endif