//
// ********************************************************************
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//
//
// $Id: G4PrimaryTransformer.hh,v 1.6 2001/07/18 01:25:44 asaim Exp $
// GEANT4 tag $Name: geant4-05-00 $
//

#ifndef G4PromaryTransformer_h 
#define G4PromaryTransformer_h 1

#include "G4TrackVector.hh"
#include "G4ParticleTable.hh"
#include "globals.hh"
class G4Event;
class G4PrimaryVertex;
#include "G4PrimaryParticle.hh"

// class description:
//
//  This class is exclusively used by G4EventManager for the conversion
// from G4PrimaryVertex/G4PrimaryParticle to G4DynamicParticle/G4Track.
//

class G4PrimaryTransformer
{
  public:
    G4PrimaryTransformer();
    ~G4PrimaryTransformer();
    
    G4TrackVector* GimmePrimaries(G4Event* anEvent, G4int trackIDCounter=0);

  private:
    G4TrackVector TV;
    G4ParticleTable* particleTable;
    G4int verboseLevel;
    G4int trackID;

  public:
    inline void SetVerboseLevel(G4int vl)
    { verboseLevel = vl; };

  private:
    void GenerateTracks(G4PrimaryVertex* primaryVertex);
    void GenerateSingleTrack(G4PrimaryParticle* primaryParticle,
              G4double x0,G4double y0,G4double z0,G4double t0,G4double wv);
    void SetDecayProducts(G4PrimaryParticle* mother,
                            G4DynamicParticle* motherDP);
    inline G4ParticleDefinition* GetDefinition(G4PrimaryParticle*pp)
    { 
      G4ParticleDefinition* partDef = pp->GetG4code();
      if(!partDef) partDef = particleTable->FindParticle(pp->GetPDGcode());
      return partDef;
    };
};

#endif