#define dataReader_cxx
#include "dataReader.h"
#include "TH2.h"
#include "TStyle.h"
#include "TCanvas.h"

void dataReader::Loop()
{
//   In a ROOT session, you can do:
//      Root > .L dataReader.C
//      Root > dataReader t
//      Root > t.GetEntry(12); // Fill t data members with entry number 12
//      Root > t.Show();       // Show values of entry 12
//      Root > t.Show(16);     // Read and show values of entry 16
//      Root > t.Loop();       // Loop on all entries
//

//     This is the loop skeleton where:
//    jentry is the global entry number in the chain
//    ientry is the entry number in the current Tree
//  Note that the argument to GetEntry must be:
//    jentry for TChain::GetEntry
//    ientry for TTree::GetEntry and TBranch::GetEntry
//
//       To read only selected branches, Insert statements like:
// METHOD1:
//    fChain->SetBranchStatus("*",0);  // disable all branches
//    fChain->SetBranchStatus("branchname",1);  // activate branchname
// METHOD2: replace line
//    fChain->GetEntry(jentry);       //read all branches
//by  b_branchname->GetEntry(ientry); //read only this branch
   if (fChain == 0) return;

   Long64_t nentries = fChain->GetEntriesFast();

   Long64_t nbytes = 0, nb = 0;
   for (Long64_t jentry=0; jentry<nentries;jentry++) {
      Long64_t ientry = LoadTree(jentry);
      if (ientry < 0) break;
      nb = fChain->GetEntry(jentry);   nbytes += nb;
      // if (Cut(ientry) < 0) continue;
   }
}

data_t* dataReader::readEvent() {
  Long64_t nentries = fChain->GetEntriesFast();
  data_t* returnData;

  if(lastEvent<nentries) {

	returnData = new data_t;

	Long64_t nb = fChain->GetEntry(lastEvent);
	lastEvent++;
	returnData->trigger = trigger;
	returnData->runtime = runtime;
	returnData->nchan = nchan;
	returnData->mc_intercept_x = mc_intercept_x;
	returnData->mc_slope_x = mc_slope_x;
	returnData->mc_intercept_z = mc_intercept_z;
	returnData->mc_slope_z = mc_slope_z;
	for(int i=0; i< 128; i++) {
	  returnData->nslice[i] = nslice[i];
	  returnData->chan[i] = chan[i];
	  for(int j=0; j< 128; j++) {
		returnData->charge[i][j] = charge[i][j];
		returnData->time[i][j] = time[i][j];
	  }
	}
	return returnData;
  }
  else {
	return NULL;
  }

}