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/// \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
