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//
//  CRYGenerator
//
//  Created October, 2006
//
//  CRYGenerator is driver class to create and return primary
//  events
//

#ifndef CRYGenerator_h
#define CRYGenerator_h

#include "CRYParticle.h"
#include <vector>
#include <map>

#include "CRYPrimary.h"

class CRYUtils;
class CRYBinning;
class CRYPdf;
class CRYSetup;
class CRYWeightFunc;

class CRYGenerator {

public:
  CRYGenerator(CRYSetup *setup);

  //ways to generate an event
  //a single cosmic shower is returned
  //Ownership _IS_ returned 
  std::vector<CRYParticle*>* genEvent();
  void genEvent(std::vector<CRYParticle*> *retList);

  //Time that has been simulated by this instance
  double timeSimulated() {return _primary->timeSimulated();}

  //Pointer to the primary particle
  //Note that ownership is not transfered
  CRYParticle *primaryParticle() {return _primaryPart;}

  // which set of data tables was used 
  // the particles returned will be in a smaller box 
  // (as specified in the setup 
  double boxSizeUsed() {return _boxSize;}

private:
  CRYPrimary *_primary;
  CRYUtils *_utils;
  CRYBinning *_primaryBinning,*_secondaryBinning;
  CRYPdf *_nParticlesPDF;
  CRYPdf *_particleFractionsPDF;
  std::map<int,CRYParticle::CRYId> _idDict;
  std::map<CRYParticle::CRYId, CRYPdf*> _kePdfs,_latPdfs;
  std::map<CRYParticle::CRYId, CRYPdf*> _timePdfs,_cosThetaPdfs,_chargePdfs;
  std::map<CRYParticle::CRYId, bool> _tallyList;
  double _boxSize;
  double _subboxSize;
  int _maxParticles,_minParticles;
  CRYSetup *_setup;
  CRYWeightFunc *_primaryWeighting;
  CRYParticle *_primaryPart;
};

#endif