//
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//
// This is the *BASIC* version of IORT, a Geant4-based application
//
// Main Authors: G.Russo(a,b), C.Casarino*(c), G.C. Candiano(c), G.A.P. Cirrone(d), F.Romano(d)
// Contributor Authors: S.Guatelli(e)
// Past Authors: G.Arnetta(c), S.E.Mazzaglia(d)
//    
//   (a) Fondazione Istituto San Raffaele G.Giglio, Cefalù, Italy
//   (b) IBFM-CNR , Segrate (Milano), Italy
//   (c) LATO (Laboratorio di Tecnologie Oncologiche), Cefalù, Italy
//   (d) Laboratori Nazionali del Sud of the INFN, Catania, Italy
//   (e) University of Wollongong, Australia
//
//   *Corresponding author, email to carlo.casarino@polooncologicocefalu.it
//////////////////////////////////////////////////////////////////////////////////////////////
#ifndef IORTPrimaryGeneratorAction_h
#define IORTPrimaryGeneratorAction_h 1

#include "G4VUserPrimaryGeneratorAction.hh"
#include "globals.hh"

class G4ParticleGun;
class G4Event;

class IORTPrimaryGeneratorMessenger;
class IORTPrimaryGeneratorAction : public G4VUserPrimaryGeneratorAction
{
public:
  IORTPrimaryGeneratorAction();    
  ~IORTPrimaryGeneratorAction();
  
public:
  // Methods to change the parameters of primary particle generation 
  // interactively
  void SetsigmaEnergy(G4double);
  void SetmeanKineticEnergy(G4double);
  void GeneratePrimaries(G4Event*);
  void SetXposition(G4double);
  void SetYposition(G4double);
  void SetZposition(G4double);
  void SetsigmaY(G4double);
  void SetsigmaZ(G4double);
  // void SetsigmaMomentumY(G4double);
  // void SetsigmaMomentumZ(G4double);
  void SetTheta(G4double); // aggiunto
  G4double GetmeanKineticEnergy(void);
  G4ParticleGun *GetParticleGun(void){return particleGun;}
    
private:
  void SetDefaultPrimaryParticle();
  G4double meanKineticEnergy;
  G4double sigmaEnergy;
  G4double X0;
  G4double Y0;
  G4double Z0;
  G4double sigmaY;
  G4double sigmaZ;
  //  G4double sigmaMomentumY;
  //  G4double sigmaMomentumZ;
  G4double Theta;  // aggiunto

private:
  G4ParticleGun*    		          particleGun;
  IORTPrimaryGeneratorMessenger* gunMessenger; 
};

#endif