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//
// G4UGenericTrap
//
// Class description:
//
// Wrapper class for G4GenericTrap to make use of VecGeom GenericTrap.

// 30.10.13 G.Cosmo, CERN
// --------------------------------------------------------------------
#ifndef G4UGENERICTRAP_HH
#define G4UGENERICTRAP_HH

#include "G4UAdapter.hh"

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

#include <VecGeom/volumes/UnplacedGenTrap.h>
#include "G4TwoVector.hh"

#include "G4Polyhedron.hh"

class G4UGenericTrap : public G4UAdapter<vecgeom::UnplacedGenTrap> 
{
  using Shape_t = vecgeom::UnplacedGenTrap;
  using Base_t  = G4UAdapter<vecgeom::UnplacedGenTrap>;

  public:  // with description

    G4UGenericTrap(const G4String& name, G4double halfZ,
                   const std::vector<G4TwoVector>& vertices);

   ~G4UGenericTrap();

    G4double    GetZHalfLength() const;
    G4int       GetNofVertices() const;
    G4TwoVector GetVertex(G4int index) const;
    const std::vector<G4TwoVector>& GetVertices() const;
    G4double    GetTwistAngle(G4int index) const;
    G4bool      IsTwisted() const;
    G4int       GetVisSubdivisions() const;
    void        SetVisSubdivisions(G4int subdiv);
    void        SetZHalfLength(G4double);
    void Initialise(const std::vector<G4TwoVector>& v);

    inline G4GeometryType GetEntityType() const;

  public:  // without description

    G4UGenericTrap(__void__&);
      // Fake default constructor for usage restricted to direct object
      // persistency for clients requiring preallocation of memory for
      // persistifiable objects.

    G4UGenericTrap( const G4UGenericTrap& source );
    G4UGenericTrap& operator=(const G4UGenericTrap& source);
      // Copy constructor and assignment operator.

    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;

  private:

    G4int fVisSubdivisions;
    std::vector<G4TwoVector> fVertices;

};

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

inline G4GeometryType G4UGenericTrap::GetEntityType() const
{
  return "G4GenericTrap";
}

#endif  // G4GEOM_USE_USOLIDS

#endif