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// $Id$
//
/// \file field/field04/include/F04Trajectory.hh
/// \brief Definition of the F04Trajectory class
//

#ifndef F04Trajectory_h
#define F04Trajectory_h 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*> TrajectoryPointContainer;

class F04Trajectory : public G4VTrajectory
{

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

// Constructor/Destructor

     F04Trajectory();
     F04Trajectory(const G4Track* aTrack);
     F04Trajectory(F04Trajectory&);
     virtual ~F04Trajectory();

// Operators

     inline void* operator new(size_t);
     inline void  operator delete(void*);
     inline int operator == (const F04Trajectory& right) const
     { return (this==&right); }

// Get/Set functions

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

     TrajectoryPointContainer* fpPointsContainer;

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

};

extern G4ThreadLocal G4Allocator<F04Trajectory>* F04TrajectoryAllocator;

inline void* F04Trajectory::operator new(size_t) {
    if(!F04TrajectoryAllocator)
      F04TrajectoryAllocator = new G4Allocator<F04Trajectory>;
    return (void*) F04TrajectoryAllocator->MallocSingle();
}

inline void F04Trajectory::operator delete(void* aTrajectory) {
    F04TrajectoryAllocator->FreeSingle((F04Trajectory*)aTrajectory);
}

#endif
