/*
 * PVVMUD a 3D MUD
 * Copyright (C) 1998-1999  Programvareverkstedet (pvv@pvv.org)
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */
#ifndef _CROSSINDEX_H
#define _CROSSINDEX_H

class CCrossIndexItem {
  CCrossIndexItem * next;
  int indexA,indexB;
public:
  CCrossIndexItem(int indexA,int indexB);
  virtual ~CCrossIndexItem() {  if(next!=NULL) delete next;  }

  void setItem(int indexA,int indexB);
  int getIndexA() {return indexA;}
  int getIndexB() {return indexB;}

  void setNext(CCrossIndexItem *next) {this->next=next;}
  CCrossIndexItem * getNext() {return next;}
};
   
class CCrossIndex {
  CCrossIndexItem * first;
public:
  CCrossIndex() {  first=NULL;  }
  virtual ~CCrossIndex() {  if(first!=NULL) delete first;  }

  CCrossIndexItem * add(int indexA,int indexB);
  int getB(int indexA);
  int getA(int indexB);

};

#endif /* _CROSSINDEX_H */