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//
// G4USphere
//
// Class description:
//
// Wrapper class for G4Sphere to make use of VecGeom Sphere.

// 13.09.13 G.Cosmo, CERN/PH
// --------------------------------------------------------------------
#ifndef G4USPHERE_HH
#define G4USPHERE_HH

#include "G4UAdapter.hh"

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

#include <volumes/UnplacedSphere.h>

#include "G4Polyhedron.hh"

class G4USphere : public G4UAdapter<vecgeom::UnplacedSphere>
{
  using Shape_t = vecgeom::UnplacedSphere;
  using Base_t  = G4UAdapter<vecgeom::UnplacedSphere>;

  public:  // with description

    G4USphere(const G4String& pName,
                    G4double pRmin, G4double pRmax,
                    G4double pSPhi, G4double pDPhi,
                    G4double pSTheta, G4double pDTheta);
      // Constructs a sphere or sphere shell section
      // with the given name and dimensions
       
   ~G4USphere();

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

    G4VSolid* Clone() const;

    G4double GetInnerRadius    () const;
    G4double GetOuterRadius    () const;
    G4double GetStartPhiAngle  () const;
    G4double GetDeltaPhiAngle  () const;
    G4double GetStartThetaAngle() const;
    G4double GetDeltaThetaAngle() const;
    G4double GetSinStartPhi    () const;
    G4double GetCosStartPhi    () const;
    G4double GetSinEndPhi      () const;
    G4double GetCosEndPhi      () const;
    G4double GetSinStartTheta  () const;
    G4double GetCosStartTheta  () const;
    G4double GetSinEndTheta    () const;
    G4double GetCosEndTheta    () const;

    void SetInnerRadius    (G4double newRMin);
    void SetOuterRadius    (G4double newRmax);
    void SetStartPhiAngle  (G4double newSphi, G4bool trig=true);
    void SetDeltaPhiAngle  (G4double newDphi);
    void SetStartThetaAngle(G4double newSTheta);
    void SetDeltaThetaAngle(G4double newDTheta);

    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
   
    G4USphere(__void__&);
      //
      // Fake default constructor for usage restricted to direct object
      // persistency for clients requiring preallocation of memory for
      // persistifiable objects.

    G4USphere(const G4USphere& rhs);
    G4USphere& operator=(const G4USphere& rhs); 
      // Copy constructor and assignment operator.
};

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

inline G4GeometryType G4USphere::GetEntityType() const
{
  return "G4Sphere";
}

#endif  // G4GEOM_USE_USOLIDS

#endif
