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//
// 080721 Add ClearHistories() method by T. Koi
//
// P. Arce, June-2014 Conversion neutron_hp to particle_hp
//
#ifndef G4ParticleHPContEnergyAngular_h
#define G4ParticleHPContEnergyAngular_h 1

#include "G4ios.hh"
#include <fstream>
#include "globals.hh"
#include "G4VParticleHPEnergyAngular.hh"
#include "G4ParticleHPContAngularPar.hh"
#include "G4InterpolationManager.hh"
#include "G4Cache.hh"
class G4ParticleDefinition;

// we will need one of these per product.

class G4ParticleHPContEnergyAngular : public G4VParticleHPEnergyAngular
{
  public:
  
  G4ParticleHPContEnergyAngular(G4ParticleDefinition* proj)
    : theProjectile(proj)
  {
    theAngular = 0;
    currentMeanEnergy.Put( -2 );
    theTargetCode = -1.0;
    theAngularRep = -1;
    nEnergy = -1;
    theInterpolation = -1;
  }
  
  ~G4ParticleHPContEnergyAngular()
  {
    if(theAngular!=0) delete [] theAngular;
  }
  
  public:
  
  void Init(std::istream & aDataFile)
  {
    aDataFile >> theTargetCode >> theAngularRep >> theInterpolation >> nEnergy;
    theAngular = new G4ParticleHPContAngularPar[nEnergy];
    theManager.Init(aDataFile);
    for(G4int i=0; i<nEnergy; i++)
    {
      theAngular[i].Init(aDataFile, theProjectile);
      theAngular[i].SetInterpolation(theInterpolation);
#ifndef PHP_AS_HP
      if( i != 0 ) {
	theAngular[i].PrepareTableInterpolation(&(theAngular[i-1]));
      } else {
	theAngular[i].PrepareTableInterpolation((G4ParticleHPContAngularPar*)0);
      }
#endif
    }

  }
G4double MeanEnergyOfThisInteraction();
G4ReactionProduct * Sample(G4double anEnergy, G4double massCode, G4double mass);
  
  private:
  
  G4double theTargetCode;
  G4int theAngularRep;
  G4int nEnergy;
  
  G4int theInterpolation;

  G4InterpolationManager theManager; // knows the interpolation between stores
  G4ParticleHPContAngularPar * theAngular;
  
  G4Cache<G4double> currentMeanEnergy;

  G4ParticleDefinition* theProjectile;

   public:
      void ClearHistories(); 
  
};
#endif
