// -*- mode: c++ -*-
//
// $Id: BrMultUtil.h,v 1.3 2002/02/10 18:48:52 sanders Exp $
//
#ifndef BRAT_BrMultUtil
#define BRAT_BrMultUtil

#ifndef ROOT_TString
#include "TString.h"
#endif
#ifndef BRAT_BrEventNode
#include "BrEventNode.h"
#endif

class BrMultUtil 
{
protected:
  TString fName;   

  Double_t fVertexAccLimit; 
  Double_t fSingleVertexLimit;
  Double_t fVtxTPM1cluster;       // TPM1 cluster vertex
  Double_t fVtxTPM1track;         // TPM1 track vertex
  Double_t fVtxBB;                // BB vertex
  Double_t fVtxZDC;              // ZDC vertex

  virtual Double_t TryFindVertex(BrEventNode* node); 
public:
  BrMultUtil();
  BrMultUtil(const TString& name); 
  virtual ~BrMultUtil () {}

  virtual void SetVertexAccLimit(Double_t z=200) { fVertexAccLimit = z; }
  virtual void SetSingleVertexLimit(Double_t z=100) {
    fSingleVertexLimit = z; }
  
  virtual Double_t FindVertex(BrEventNode* inNode, BrEventNode* outNode);
  virtual Double_t FindVertexAll(BrEventNode* inNode, BrEventNode* outNode,
				 Double_t& vtxTPM1cluster, Double_t& vtxTPM1track,
				 Double_t& vtxBB, Double_t& vtxZDC);

  ClassDef(BrMultUtil, 0) // Utility class for Mult Modules 
};

#endif