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//
// 080417 Add IsZAApplicable method (return false) by T. Koi
// 080428 Add bool onFlightDB by T. Koi
// 091118 Add Ignore and Enable On Flight Doppler Broadening methods by T. Koi
//
// P. Arce, June-2014 Conversion neutron_hp to particle_hp
//
#ifndef G4ParticleHPElasticData_h
#define G4ParticleHPElasticData_h 1

// Class Description
// Cross-section data set for a high precision (based on evaluated data
// libraries) description of neutron elastic scattering below 20 MeV;
// To be used in your physics list in case you need this physics.
// In this case you want to register an object of this class with
// the corresponding process.
// Class Description - End

#include "G4DynamicParticle.hh"
#include "G4Element.hh"
#include "G4ParticleDefinition.hh"
#include "G4PhysicsTable.hh"
#include "G4VCrossSectionDataSet.hh"

class G4ParticleHPElasticData : public G4VCrossSectionDataSet
{
  public:
    G4ParticleHPElasticData();

    ~G4ParticleHPElasticData() override;

    G4bool IsIsoApplicable(const G4DynamicParticle*, G4int /*Z*/, G4int /*A*/,
                           const G4Element* /*elm*/, const G4Material* /*mat*/) override;

    G4double GetIsoCrossSection(const G4DynamicParticle*, G4int /*Z*/, G4int /*A*/,
                                const G4Isotope* /*iso*/, const G4Element* /*elm*/,
                                const G4Material* /*mat*/) override;

    // G4bool IsApplicable(const G4DynamicParticle*, const G4Element*);

  public:
    // G4bool IsZAApplicable( const G4DynamicParticle* , G4double /*ZZ*/, G4double /*AA*/)
    //{ return false;}

    G4double GetCrossSection(const G4DynamicParticle*, const G4Element*, G4double aT);

    void BuildPhysicsTable(const G4ParticleDefinition&) override;
    void DumpPhysicsTable(const G4ParticleDefinition&) override;

    void SetVerboseLevel(G4int) override;
    G4int GetVerboseLevel() const;
    void CrossSectionDescription(std::ostream&) const override;

  private:
    G4PhysicsTable* theCrossSections;
    G4bool instanceOfWorker;

    G4double ke_cache;
    G4double xs_cache;
    const G4Element* element_cache;
    const G4Material* material_cache;
};

#endif