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//
// This example is provided by the Geant4-DNA collaboration
// Any report or published results obtained using the Geant4-DNA software
// shall cite the following Geant4-DNA collaboration publications:
// Med. Phys. 45 (2018) e722-e739
// Phys. Med. 31 (2015) 861-874
// Med. Phys. 37 (2010) 4692-4708
// Int. J. Model. Simul. Sci. Comput. 1 (2010) 157–178
//
// The Geant4-DNA web site is available at http://geant4-dna.org
//
/// \file medical/dna/slowing/include/DetectorConstruction.hh
/// \brief Definition of the DetectorConstruction class

#ifndef DetectorConstruction_h
#define DetectorConstruction_h 1

#include "G4Box.hh"
#include "G4LogicalVolume.hh"
#include "G4PVPlacement.hh"
#include "G4VUserDetectorConstruction.hh"
#include "G4VisAttributes.hh"

class DetectorMessenger;

class DetectorConstruction : public G4VUserDetectorConstruction
{
  public:
    DetectorConstruction();
    virtual ~DetectorConstruction();
    virtual G4VPhysicalVolume* Construct();

    void SetMaterial(G4String);
    void SetTrackingCut(G4double);
    void PrintParameters() const;

    inline G4double GetAbsorMass() const { return fLogicWorld->GetMass(); }

    inline G4Material* GetAbsorMaterial() const { return fWaterMaterial; }

  private:
    G4Material* fWaterMaterial;
    G4LogicalVolume* fLogicWorld;
    void DefineMaterials();
    G4VPhysicalVolume* ConstructDetector();

    DetectorMessenger* fDetectorMessenger;
    G4double fTrackingCut;
};

#endif
