/**
 *
 *  Definition of classes to be stored in the root tree.
 *  Function CompareXYZ sorts objects by the variable XYZ that MUST be
 *  present in the data members of the root tree class of the branch.
 *
 *  $Date: 2008-06-04 13:57:24 $
 *  $Revision: 1.1 $
 *
 *
 *  \author P. Demin - UCL, Louvain-la-Neuve
 *
 */

#include "classes/DelphesClasses.h"

#include "classes/DelphesFactory.h"
#include "classes/SortableObject.h"

CompBase *GenParticle::fgCompare = 0;
CompBase *Photon::fgCompare = CompPT<Photon>::Instance();
CompBase *Electron::fgCompare = CompPT<Electron>::Instance();
CompBase *Muon::fgCompare = CompPT<Muon>::Instance();
CompBase *TauJet::fgCompare = CompPT<TauJet>::Instance();
CompBase *Jet::fgCompare = CompPT<Jet>::Instance();
CompBase *Track::fgCompare = CompPT<Track>::Instance();
CompBase *Tower::fgCompare = CompE<Tower>::Instance();
CompBase *Candidate::fgCompare = 0;

//------------------------------------------------------------------------------

Candidate::Candidate() :
  PID(0), Status(0), M1(0), M2(0), D1(0), D2(0),
  Charge(0), Mass(0.0), BTag(0), Eem(0.0), Ehad(0.0),
  Momentum(0.0, 0.0, 0.0, 0.0),
  Position(0.0, 0.0, 0.0, 0.0),
  Mother(0),
  fFactory(0),
  fArray(0)
{
}

//------------------------------------------------------------------------------

void Candidate::AddCandidate(Candidate *object)
{
  if(!fArray) fArray = fFactory->NewArray();
  fArray->Add(object);
}

//------------------------------------------------------------------------------

TObject *Candidate::Clone(const char *newname) const
{
  Candidate *object = fFactory->NewCandidate();
  Copy(*object);
  return object;
}

//------------------------------------------------------------------------------

void Candidate::Copy(TObject &obj) const
{
  Candidate &object = static_cast<Candidate &>(obj);

  object.PID = PID;
  object.Status = Status;
  object.M1 = M1;
  object.M2 = M2;
  object.D1 = D1;
  object.D2 = D2;
  object.Charge = Charge;
  object.Mass = Mass;
  object.BTag = BTag;
  object.Eem = Eem;
  object.Ehad = Ehad;
  object.Momentum = Momentum;
  object.Position = Position;

  object.fFactory = fFactory;
  object.fArray = 0;

  const Candidate *candidateOld;
  Candidate *candidateNew;

  if(fArray && fArray->GetEntriesFast() > 0)
  {
    TIter itArray(fArray);
    object.fArray = fFactory->NewArray();

    while((candidateOld = static_cast<Candidate *>(itArray.Next())))
    {
      candidateNew = static_cast<Candidate *>(candidateOld->Clone());
      object.fArray->Add(candidateNew);
    }
  }
}

//------------------------------------------------------------------------------

void Candidate::Clear(Option_t* option)
{
  SetUniqueID(0);
  PID = 0;
  Status = 0;
  M1 = 0; M2 = 0; D1 = 0; D2 = 0;
  Charge = 0;
  Mass = 0.0;
  BTag = 0;
  Eem = 0.0;
  Ehad = 0.0;
  Momentum.SetXYZT(0.0, 0.0, 0.0, 0.0);
  Position.SetXYZT(0.0, 0.0, 0.0, 0.0);
  Mother = 0;
  fArray = 0;
}