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// $Id: WLSTrajectory.hh 90240 2015-05-21 09:08:13Z gcosmo $
//
/// \file optical/wls/include/WLSTrajectory.hh
/// \brief Definition of the WLSTrajectory class
//

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#ifndef WLSTrajectory_h_seen
#define WLSTrajectory_h_seen 1

#include <vector>
#include <stdlib.h>

#include "globals.hh"

#include "G4ios.hh"
#include "G4Step.hh"
#include "G4Track.hh"
#include "G4Allocator.hh"
#include "G4VTrajectory.hh"
#include "G4ParticleDefinition.hh"
#include "G4TrajectoryPoint.hh"

typedef std::vector<G4VTrajectoryPoint*> WLSTrajectoryPointContainer;

class WLSTrajectory : public G4VTrajectory
{

//--------
   public: // without description
//--------

// Constructor/Destructor

     WLSTrajectory();
     WLSTrajectory(const G4Track* );
     WLSTrajectory(WLSTrajectory &);
     virtual ~WLSTrajectory();

// Operators

     inline void* operator new(size_t);
     inline void  operator delete(void*);
     inline int operator == (const WLSTrajectory& right) const
     { return (this==&right); }

// Get/Set functions

     inline virtual G4int GetTrackID() const { return fTrackID; }
     inline virtual G4int GetParentID() const { return fParentID; }
     inline virtual G4String GetParticleName() const { return fParticleName; }
     inline virtual G4double GetCharge() const { return fPDGCharge; }
     inline virtual G4int GetPDGEncoding() const { return fPDGEncoding; }
     inline virtual G4ThreeVector GetInitialMomentum() const 
                                                    {return fInitialMomentum;}

// Other member functions

     virtual void ShowTrajectory(std::ostream& os=G4cout) const;
     virtual void AppendStep(const G4Step* aStep);
     virtual void MergeTrajectory(G4VTrajectory* secondTrajectory);

     G4ParticleDefinition* GetParticleDefinition();

     virtual int GetPointEntries() const
     { return fpPointsContainer->size(); }
     virtual G4VTrajectoryPoint* GetPoint(G4int i) const
     { return (*fpPointsContainer)[i]; }

    virtual const std::map<G4String,G4AttDef>* GetAttDefs() const;
    virtual std::vector<G4AttValue>* CreateAttValues() const;

//---------
   private:
//---------

// Member data

     WLSTrajectoryPointContainer* fpPointsContainer;

     G4int fTrackID;
     G4int fParentID;
     G4double fPDGCharge;
     G4int    fPDGEncoding;
     G4String fParticleName;
     G4ThreeVector fInitialMomentum;

     G4ParticleDefinition* fParticleDefinition;

};

extern G4ThreadLocal G4Allocator<WLSTrajectory>* WLSTrajectoryAllocator;

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

inline void WLSTrajectory::operator delete(void* aTrajectory) {
    WLSTrajectoryAllocator->FreeSingle((WLSTrajectory*)aTrajectory);
}

#endif
