// $Id: BrGeantData.h,v 1.2 1998/04/06 21:12:08 videbaek Exp $
//
// $Log: BrGeantData.h,v $
// Revision 1.2  1998/04/06 21:12:08  videbaek
// Clean up and additions for Win95
//
// Revision 1.1.1.1  1998/03/04 21:33:10  brahmlib
// Brat geant
//
//
#ifndef _BRGEANTDATA_H
#define _BRGEANTDATA_H

///////////////////////////////////////////////////////////////////////
//                                                                   //
//    BrGeantData                                                    //
//                                                                   //
//    BRAHMS simulated raw data class                                //
//                                                                   //
//    BrGeantData handles geant raw data in stream i/o format        //
//                                                                   //
//    Author  : KrisHagel                                            //
//    Created : Nov 97                                               //
//    Version : 1.0                                                  //
//    Changed : 31/12/97 F.Videbaek
//                                                                   //
///////////////////////////////////////////////////////////////////////


#include "TObject.h"

#include "fstream.h"
#include "stdio.h"

const int MAXGVOLU = 50 ;


class BrGeantHit;  
class BrGeantTrack;  
class BrEvent;  


struct GeantVolume {
   int shape;
   int Npar;
   char Name[4];
   float pos[3];
   float rotang[3][3];
   float param[12];
   int Active;
   };

class BrGeantData : public TObject {

public:
    BrGeantData(); 
    BrGeantData(Char_t *filename);

    virtual ~BrGeantData() { if(fFilePointer) {
      fFilePointer->close();
    delete fFilePointer;}}

    virtual Bool_t    Open(Char_t *fname);
    virtual Bool_t    Close();
    virtual BrEvent   *GetNextEvent();
    virtual Bool_t    ReadStreamHeader();

    Bool_t  GetrHeader()               { return rHeader; }
    void    SetrHeader( Bool_t rHead ) { rHeader = rHead; }

private:
    Bool_t rHeader;                 //! Header read mark                                 
    Int_t  fEventCounter;           //! Event counter                                 
    Char_t fFileName[256];          //! File name for ASCII file containing raw hits
    ifstream *fFilePointer;         // File pointer to STREAM file
    Int_t       fNumberOfVolumes;   // Number of GEANT volumes
    GeantVolume fVolume[MAXGVOLU];  // Geant Volumes in STREAM file


public:

ClassDef(BrGeantData,0) // Interface to STREAM files

};
#endif