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#ifndef gen_Py8InterfaceBase_h
#define gen_Py8InterfaceBase_h
#include <vector>
#include <string>
#include "GeneratorInterface/Core/interface/ParameterCollector.h"
#include "GeneratorInterface/Pythia8Interface/interface/P8RndmEngine.h"
#include "GeneratorInterface/Core/interface/BaseHadronizer.h"
#include "HepMC/IO_AsciiParticles.h"
#include <Pythia8/Pythia.h>
#include <Pythia8Plugins/HepMC2.h>
//#include <Dire/Dire.h>
namespace Pythia8 {
class EvtGenDecays;
}
namespace CLHEP {
class HepRandomEngine;
}
namespace gen {
class Py8InterfaceBase : public BaseHadronizer {
public:
Py8InterfaceBase(edm::ParameterSet const& ps);
~Py8InterfaceBase() override {}
virtual bool generatePartonsAndHadronize() = 0;
bool decay() { return true; } // NOT used - let's call it "design imperfection"
bool readSettings(int); // common func
void makeTmpSLHA(const std::string&); //helper for above
virtual bool initializeForInternalPartons() = 0;
bool declareStableParticles(const std::vector<int>&); // common func
bool declareSpecialSettings(const std::vector<std::string>&); // common func
virtual void finalizeEvent() = 0;
virtual void statistics();
virtual const char* classname() const = 0;
void p8SetRandomEngine(CLHEP::HepRandomEngine* v) { p8RndmEngine_->setRandomEngine(v); }
P8RndmEngine& randomEngine() { return *p8RndmEngine_; }
protected:
std::unique_ptr<Pythia8::Pythia> fMasterGen;
std::unique_ptr<Pythia8::Pythia> fDecayer;
HepMC::Pythia8ToHepMC toHepMC;
// ParameterCollector fParameters;
edm::ParameterSet fParameters;
unsigned int pythiaPylistVerbosity;
bool pythiaHepMCVerbosity;
bool pythiaHepMCVerbosityParticles;
unsigned int maxEventsToPrint;
HepMC::IO_AsciiParticles* ascii_io;
// EvtGen plugin
//
bool useEvtGen;
std::shared_ptr<Pythia8::EvtGenDecays> evtgenDecays;
std::string evtgenDecFile;
std::string evtgenPdlFile;
std::vector<std::string> evtgenUserFiles;
std::string slhafile_;
private:
std::shared_ptr<P8RndmEngine> p8RndmEngine_;
};
} // namespace gen
#endif
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