//
// ********************************************************************
// * License and Disclaimer                                           *
// *                                                                  *
// * The  Geant4 software  is  copyright of the Copyright Holders  of *
// * the Geant4 Collaboration.  It is provided  under  the terms  and *
// * conditions of the Geant4 Software License,  included in the file *
// * LICENSE and available at  http://cern.ch/geant4/license .  These *
// * include a list of copyright holders.                             *
// *                                                                  *
// * Neither the authors of this software system, nor their employing *
// * institutes,nor the agencies providing financial support for this *
// * work  make  any representation or  warranty, express or implied, *
// * regarding  this  software system or assume any liability for its *
// * use.  Please see the license in the file  LICENSE  and URL above *
// * for the full disclaimer and the limitation of liability.         *
// *                                                                  *
// * This  code  implementation is the result of  the  scientific and *
// * technical work of the GEANT4 collaboration.                      *
// * By using,  copying,  modifying or  distributing the software (or *
// * any work based  on the software)  you  agree  to acknowledge its *
// * use  in  resulting  scientific  publications,  and indicate your *
// * acceptance of all terms of the Geant4 Software license.          *
// ********************************************************************
//
/// \file Par01PionShowerModel.hh
/// \brief Definition of the Par01PionShowerModel class

//----------------------------------------------
// Parameterisation for pi+/pi- producing hits.
//----------------------------------------------
#ifndef Par01PionShowerModel_h
#define Par01PionShowerModel_h 1

#include "Par01EnergySpot.hh"

#include "G4Step.hh"
#include "G4TouchableHandle.hh"
#include "G4VFastSimulationModel.hh"

#include <vector>

class Par01PionShowerModel : public G4VFastSimulationModel
{
  public:
    //-------------------------
    // Constructor, destructor
    //-------------------------
    Par01PionShowerModel(G4String, G4Region*);
    Par01PionShowerModel(G4String);
    ~Par01PionShowerModel();

    //------------------------------
    // Virtual methods of the base
    // class to be coded by the user
    //------------------------------

    // -- IsApplicable
    virtual G4bool IsApplicable(const G4ParticleDefinition&);
    // -- ModelTrigger
    virtual G4bool ModelTrigger(const G4FastTrack&);
    // -- User method DoIt
    virtual void DoIt(const G4FastTrack&, G4FastStep&);

  private:
    void AssignSpotAndCallHit(const Par01EnergySpot& eSpot);
    void FillFakeStep(const Par01EnergySpot& eSpot);
    void Explode(const G4FastTrack&);
    void BuildDetectorResponse();

  private:
    G4Step* fFakeStep;
    G4StepPoint *fFakePreStepPoint, *fFakePostStepPoint;
    G4TouchableHandle fTouchableHandle;
    G4Navigator* fpNavigator;
    G4bool fNaviSetup;

    std::vector<Par01EnergySpot> feSpotList;
};
#endif