/**************************************************************************
 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 *                                                                        *
 * Author: The ALICE Off-line Project.                                    *
 * Contributors are mentioned in the code where appropriate.              *
 *                                                                        *
 * Permission to use, copy, modify and distribute this software and its   *
 * documentation strictly for non-commercial purposes is hereby granted   *
 * without fee, provided that the above copyright notice appears in all   *
 * copies and that both the copyright notice and this permission notice   *
 * appear in the supporting documentation. The authors make no claims     *
 * about the suitability of this software for any purpose. It is          *
 * provided "as is" without express or implied warranty.                  *
 **************************************************************************/

/* $Id$ */

#include "TMevSimConverter.h"

ClassImp(TMevSimConverter)


///////////////////////////////////////////////////////////////////////////////////

Int_t TMevSimConverter::PDGFromId(Int_t id)  {

  //
  // Return PDG code and pseudo ENDF code from Geant3 code
  //
  if (id>0 && id<fNPDGCodes) return fPDGCode[id];
  else return -1;
}

///////////////////////////////////////////////////////////////////////////////////

Int_t TMevSimConverter::IdFromPDG(Int_t pdg) {


  for (Int_t i=0; i<fNPDGCodes; i++) {
    if (fPDGCode[i] == pdg) return i;
  }
  return -1;

}

///////////////////////////////////////////////////////////////////////////////////

void TMevSimConverter::DefineParticles()  {

  //
  // Load standard numbers for GEANT particles and PDG conversion
  fNPDGCodes = 0;

  fPDGCode[fNPDGCodes++]=-99;   //  0 = unused location
  fPDGCode[fNPDGCodes++]=22;    //  1 = photon
  fPDGCode[fNPDGCodes++]=-11;   //  2 = positron
  fPDGCode[fNPDGCodes++]=11;    //  3 = electron
  fPDGCode[fNPDGCodes++]=12;    //  4 = neutrino e
  fPDGCode[fNPDGCodes++]=-13;   //  5 = muon +
  fPDGCode[fNPDGCodes++]=13;    //  6 = muon -
  fPDGCode[fNPDGCodes++]=111;   //  7 = pi0
  fPDGCode[fNPDGCodes++]=211;   //  8 = pi+
  fPDGCode[fNPDGCodes++]=-211;  //  9 = pi-
  fPDGCode[fNPDGCodes++]=130;   // 10 = Kaon Long
  fPDGCode[fNPDGCodes++]=321;   // 11 = Kaon +
  fPDGCode[fNPDGCodes++]=-321;  // 12 = Kaon -
  fPDGCode[fNPDGCodes++]=2112;  // 13 = Neutron
  fPDGCode[fNPDGCodes++]=2212;  // 14 = Proton
  fPDGCode[fNPDGCodes++]=-2212; // 15 = Anti Proton
  fPDGCode[fNPDGCodes++]=310;   // 16 = Kaon Short
  fPDGCode[fNPDGCodes++]=221;   // 17 = Eta
  fPDGCode[fNPDGCodes++]=3122;  // 18 = Lambda
  fPDGCode[fNPDGCodes++]=3222;  // 19 = Sigma +
  fPDGCode[fNPDGCodes++]=3212;  // 20 = Sigma 0
  fPDGCode[fNPDGCodes++]=3112;  // 21 = Sigma -
  fPDGCode[fNPDGCodes++]=3322;  // 22 = Xi0
  fPDGCode[fNPDGCodes++]=3312;  // 23 = Xi-
  fPDGCode[fNPDGCodes++]=3334;  // 24 = Omega-
  fPDGCode[fNPDGCodes++]=-2112; // 25 = Anti Proton
  fPDGCode[fNPDGCodes++]=-3122; // 26 = Anti Proton
  fPDGCode[fNPDGCodes++]=-3222; // 27 = Anti Sigma -
  fPDGCode[fNPDGCodes++]=-3212; // 28 = Anti Sigma 0
  fPDGCode[fNPDGCodes++]=-3112; // 29 = Anti Sigma 0
  fPDGCode[fNPDGCodes++]=-3322; // 30 = Anti Xi 0
  fPDGCode[fNPDGCodes++]=-3312; // 31 = Anti Xi +
  fPDGCode[fNPDGCodes++]=-3334; // 32 = Anti Omega +
}