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/// \file SAXSSensitiveDetectorHit.hh
/// \brief Definition of the SAXSSensitiveDetectorHit class

#ifndef SAXSSensitiveDetectorHit_h
#define SAXSSensitiveDetectorHit_h 1

#include "G4Allocator.hh"
#include "G4LogicalVolume.hh"
#include "G4RotationMatrix.hh"
#include "G4THitsCollection.hh"
#include "G4ThreeVector.hh"
#include "G4Transform3D.hh"
#include "G4VHit.hh"

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/// Sensitive Detector hit
///
/// It records:
/// - the spatial coordinate of the hit
/// - the time at which the hit occurred
/// - the type, ID, weight, momentum and energy of the impinging particle
/// - the ID of the impinging particle parent

class SAXSSensitiveDetectorHit : public G4VHit
{
  public:
    SAXSSensitiveDetectorHit();
    SAXSSensitiveDetectorHit(const SAXSSensitiveDetectorHit& right);
    virtual ~SAXSSensitiveDetectorHit() { ; }

    const SAXSSensitiveDetectorHit& operator=(const SAXSSensitiveDetectorHit& right);

    int operator==(const SAXSSensitiveDetectorHit& right) const;

    inline void* operator new(size_t);
    inline void operator delete(void* aHit);

    virtual void Draw();
    virtual void Print();

  private:
    G4int fTrackID;
    G4int fTrackIDP;
    G4double fTime;
    G4ThreeVector fPos;
    G4ThreeVector fMom;
    G4double fEnergy;
    G4int fType;
    G4double fWeight;

  public:
    inline void SetTrackID(G4int z) { fTrackID = z; }
    inline G4int GetTrackID() const { return fTrackID; }

    inline void SetTrackIDP(G4int z) { fTrackIDP = z; }
    inline G4int GetTrackIDP() const { return fTrackIDP; }

    inline void SetTime(G4double t) { fTime = t; }
    inline G4double GetTime() const { return fTime; }

    inline void SetPos(G4ThreeVector xyz) { fPos = xyz; }
    inline G4ThreeVector GetPos() const { return fPos; }

    inline void SetMom(G4ThreeVector xyz) { fMom = xyz; }
    inline G4ThreeVector GetMom() const { return fMom; }

    inline void SetEnergy(G4double energy) { fEnergy = energy; }
    inline G4double GetEnergy() const { return fEnergy; }

    inline void SetType(G4int type) { fType = type; }
    inline G4int GetType() const { return fType; }

    inline void SetWeight(G4double weight) { fWeight = weight; }
    inline G4double GetWeight() const { return fWeight; }
};

using SensitiveDetectorHitsCollection = G4THitsCollection<SAXSSensitiveDetectorHit>;

extern G4ThreadLocal G4Allocator<SAXSSensitiveDetectorHit>* hitAllocator;

inline void* SAXSSensitiveDetectorHit::operator new(size_t)
{
  if (!hitAllocator) {
    hitAllocator = new G4Allocator<SAXSSensitiveDetectorHit>;
  }
  return hitAllocator->MallocSingle();
}

inline void SAXSSensitiveDetectorHit::operator delete(void* aHit)
{
  if (!hitAllocator) {
    hitAllocator = new G4Allocator<SAXSSensitiveDetectorHit>;
  }
  hitAllocator->FreeSingle((SAXSSensitiveDetectorHit*)aHit);
}

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#endif