Hit.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_PHOS_HIT_H
#define ALICEO2_PHOS_HIT_H
 
#include "SimulationDataFormat/BaseHits.h"
#include "CommonUtils/ShmAllocator.h"
 
namespace o2
{
namespace phos
{
class Hit : public o2::BasicXYZEHit<float>
{
 public:
  Hit() = default;
 
  Hit(Int_t trackID, Int_t detID, const math_utils::Point3D<float>& pos, const math_utils::Vector3D<float>& mom, Double_t totE, Double_t tof,
      Double_t eLoss)
    : o2::BasicXYZEHit<float>(pos.X(), pos.Y(), pos.Z(), tof, eLoss, trackID, detID),
      mPvector(mom),
      mInitialEnergy(totE)
  {
  }
 
  Hit& operator=(const Hit& hit) = default;
 
  Bool_t operator==(const Hit& rhs) const;
 
  Bool_t operator<(const Hit& rhs) const;
 
  Hit& operator+=(const Hit& rhs);
 
  Hit operator+(const Hit& rhs) const;
 
  ~Hit() = default;
 
  Double_t getInitialEnergy() const { return mInitialEnergy; }
 
  void addEnergyLoss(Double_t eloss) { SetEnergyLoss(GetEnergyLoss() + eloss); }
 
  void PrintStream(std::ostream& stream) const;
 
 private:
  math_utils::Vector3D<float> mPvector; // Momentum Vector
  Double32_t mInitialEnergy;            // Energy of the parent particle that entered the PHOS front surface
 
  ClassDefNV(Hit, 1);
};
 
std::ostream& operator<<(std::ostream& stream, const Hit& point);
} // namespace phos
} // namespace o2
 
#ifdef USESHM
namespace std
{
template <>
class allocator<o2::phos::Hit> : public o2::utils::ShmAllocator<o2::phos::Hit>
{
};
} // namespace std
#endif
 
#endif /* Hit_h */