//-----------------------------------------------------------------------------
//Oct 18, 2003 RLC: EMT data block includes EMTD, CSPD
//-----------------------------------------------------------------------------
#ifndef TEmtDataBlock_hh
#define TEmtDataBlock_hh


#include "Stntuple/data/TEmtTdcHeader.hh"
#include "Stntuple/data/TEmtTdcWord.hh"

#include <Stntuple/base/TStnArrayI.hh>
#include <Stntuple/data/TTdcModule.hh>

#include <Stntuple/obj/TStnDataBlock.hh>

class TEmtDataBlock : public TStnDataBlock {

  friend Int_t StntupleInitEmtDataBlock(TStnDataBlock* block, 
					AbsEvent*      event, 
					int            mode);
public:
  enum { kEmtTdcs = 12 };
//-----------------------------------------------------------------------------
//  data members: 
//-----------------------------------------------------------------------------
protected:
  Int_t          fNEmtdHits;		// total number of EMTD hit data words 
  TTdcModule     fEmtTdc[kEmtTdcs];	// EMTD TDC's (transient)
  TStnArrayI     fEmtd;			// EMTD buffer
//-----------------------------------------------------------------------------
//  functions
//-----------------------------------------------------------------------------
public:
  TEmtDataBlock();
  virtual ~TEmtDataBlock();
					// ****** init methods
  Int_t         InitTdcChannels();
					// ****** accessors

  TTdcModule&     EmtTdc(Int_t i)       { return fEmtTdc[i]; }
  Int_t           NEmtdHits    () const { return fNEmtdHits; }

  TStnArrayI&     GetEmtd      () { return fEmtd; }

  Int_t           ReadCalibrations(int run_number);

  // i is the TDC number
  TEmtTdcHeader&  GetEmtTdcHeader(Int_t i);

  // i is the TDC number. j=hit number
  TEmtTdcWord&    GetEmtTdcWord(Int_t i, Int_t j);

  // get eta and phi indicies from header and word
  // this returns 0->23 in phi even in the plug region with 48 towers
  // since those towers are ganged by 2
  static Int_t    GetEtaPhi(TEmtTdcHeader& h, TEmtTdcWord& w, 
			    Int_t& phi, Int_t& eta);

  // get data for eta and phi indicies
  // user must check return value to see if the hit was present
  // this returns 0->23 in phi even in the plug region with 48 towers
  // since those towers are ganged by 2
  Int_t    GetDataEtaPhi(TEmtTdcHeader& h, TEmtTdcWord& w, 
				Int_t phi, Int_t eta);

					// ****** overloaded functions of 
					// TObject

  void          Clear(Option_t* opt="");
  void          Print(Option_t* opt="") const;
//-----------------------------------------------------------------------------
// schema evolution : for V1 - 10 words, V2 - 12 words
//-----------------------------------------------------------------------------
  ClassDef(TEmtDataBlock,2)	// EMT data
};

#endif