#include "Stntuple/obj/TStnSiGeantIsect.hh"

#include <climits>
#include <iostream>
#include "TClass.h"

ClassImp(TStnSiGeantIsect)

// For now, do NOT use the default streamer
void TStnSiGeantIsect::Streamer(TBuffer &R__b) {
  if (R__b.IsReading()) {
    UInt_t R__s, R__c;
    Version_t R__v = R__b.ReadVersion(&R__s, &R__c);
    if (R__v < 3) {
      TStnSiGeantIsect::Class()->ReadBuffer(R__b, this);
    }
    else {
      if (R__v>=4) TObject::Streamer(R__b); // Need fUniqueID
      fDigiCode.Streamer(R__b);
      fEntryMomentum.Streamer(R__b);
      fExitMomentum.Streamer(R__b);
      fEntry.Streamer(R__b);
      fExit.Streamer(R__b);
      fActiveRegion.Streamer(R__b);
      R__b.ReadFastArray(&fDE,4);
      R__b.ReadFastArray(&fInitPhi,4);
    }
  }
  else {
    R__b.WriteVersion(TStnSiGeantIsect::IsA());
    TObject::Streamer(R__b);
    fDigiCode.Streamer(R__b);
    fEntryMomentum.Streamer(R__b);
    fExitMomentum.Streamer(R__b);
    fEntry.Streamer(R__b);
    fExit.Streamer(R__b);
    fActiveRegion.Streamer(R__b);
    R__b.WriteFastArray(&fDE,4);
    R__b.WriteFastArray(&fInitPhi,4);
  }
}


TStnSiGeantIsect::TStnSiGeantIsect()
  : fDigiCode(0),
    fEntryMomentum(0.0,0.0,0.0,0.0),
    fExitMomentum(0.0,0.0,0.0,0.0),
    fEntry(0.0,0.0,0.0),fExit(0.0,0.0,0.0),
    fDE(0.0),fRadLen(0.0),
    fPhiStrip(0.0),fZStrip(0.0),
    fInitPhi(0),fFinalPhi(0),
    fInitZ(0),fFinalZ(0)
{
  fActiveRegion.Init(8);
  SetUniqueID(UINT_MAX);  
}

  
TStnSiGeantIsect::~TStnSiGeantIsect()
{}

void TStnSiGeantIsect::Print(Option_t* opt) const{
  fDigiCode.Print(opt);
  std::cout << "OBSP# " << GetUniqueID() 
	    << ", Entry Momentum (" << fEntryMomentum.E()
	    << "," << fEntryMomentum.Px()
	    << "," << fEntryMomentum.Py()
	    << "," << fEntryMomentum.Pz() << ")"
	    << ", Exit Momentum (" << fExitMomentum.E()
	    << "," << fExitMomentum.Px()
	    << "," << fExitMomentum.Py()
	    << "," << fExitMomentum.Pz() << ")"
	    << ", Entry (" << fEntry.X()
	    << "," << fEntry.Y()
	    << "," << fEntry.Z() << ")"
	    << ", Exit (" << fExit.X()
	    << "," << fExit.Y()
	    << "," << fExit.Z() << ")"
	    << ", DE " << fDE
	    << ", RadLen " << fRadLen
	    << ", ActiveRegion " 
	    << fActiveRegion.GetBit(0) << fActiveRegion.GetBit(1) 
	    << fActiveRegion.GetBit(2) << fActiveRegion.GetBit(3) 
	    << fActiveRegion.GetBit(4) << fActiveRegion.GetBit(5) 
	    << fActiveRegion.GetBit(6) << fActiveRegion.GetBit(7)
	    << ", PhiStrip " << fPhiStrip
	    << ", ZStrip " << fZStrip
	    << ", InitPhi " << fInitPhi
	    << ", FinalPhi " << fFinalPhi
	    << ", InitZ " << fInitZ
	    << ", FinalZ " << fFinalZ
	    << std::endl;
}