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//
// --------------------------------------------------------------------
// GEANT 4 class header file
//
// 
// G4UTorus
//
// Class description:
//
// Wrapper class for UTorus to make use of UTorus from USolids module.

// History:
// 19.08.15 Guilherme Lima, FNAL
// --------------------------------------------------------------------
#ifndef G4UTORUS_HH
#define G4UTORUS_HH

#include "G4UAdapter.hh"

#if ( defined(G4GEOM_USE_USOLIDS) || defined(G4GEOM_USE_PARTIAL_USOLIDS) )

#include <volumes/UnplacedTorus2.h>

#include "G4Polyhedron.hh"

class G4UTorus : public G4UAdapter<vecgeom::UnplacedTorus2>
{
  using Shape_t = vecgeom::UnplacedTorus2;
  using Base_t  = G4UAdapter<vecgeom::UnplacedTorus2>;

  public:  // with description

    G4UTorus(const G4String& pName,
                   G4double rmin, G4double rmax, G4double rtor,
                   G4double sphi, G4double dphi);
      // Constructs a torus with name and geometrical parameters

   ~G4UTorus();

    void ComputeDimensions(G4VPVParameterisation* p,
                           const G4int n,
                           const G4VPhysicalVolume* pRep);

    G4VSolid* Clone() const;

    G4double GetRmin() const;
    G4double GetRmax() const;
    G4double GetRtor() const;
    G4double GetSPhi() const;
    G4double GetDPhi() const;
    G4double GetSinStartPhi() const;
    G4double GetCosStartPhi() const;
    G4double GetSinEndPhi  () const;
    G4double GetCosEndPhi  () const;

    void SetRmin(G4double arg);
    void SetRmax(G4double arg);
    void SetRtor(G4double arg);
    void SetSPhi(G4double arg);
    void SetDPhi(G4double arg);

    void SetAllParameters(G4double arg1, G4double arg2,
                          G4double arg3, G4double arg4, G4double arg5);

    inline G4GeometryType GetEntityType() const;

    void BoundingLimits(G4ThreeVector& pMin, G4ThreeVector& pMax) const;

    G4bool CalculateExtent(const EAxis pAxis,
                           const G4VoxelLimits& pVoxelLimit,
                           const G4AffineTransform& pTransform,
                                 G4double& pmin, G4double& pmax) const;

    G4Polyhedron* CreatePolyhedron() const;

  public:  // without description

    G4UTorus(__void__&);
      // Fake default constructor for usage restricted to direct object
      // persistency for clients requiring preallocation of memory for
      // persistifiable objects.

    G4UTorus(const G4UTorus& rhs);
    G4UTorus& operator=(const G4UTorus& rhs);
      // Copy constructor and assignment operator.
};

// --------------------------------------------------------------------
// Inline methods
// --------------------------------------------------------------------

inline G4GeometryType G4UTorus::GetEntityType() const
{
  return "G4Torus";
}

#endif  // G4GEOM_USE_USOLIDS

#endif
