/*
 * 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
 *
 */
#include <stdlib.h>
#include "mudtypes.h"
#include "crossindex.H"

CCrossIndexItem::CCrossIndexItem(int indexA,int indexB) {
  next = NULL;
  this->indexA = indexA;
  this->indexB = indexB;
}

CCrossIndexItem * CCrossIndex::add(int indexA,int indexB){
  CCrossIndexItem *newItem = new CCrossIndexItem(indexA,indexB);

  newItem->setNext(first);
  first=newItem;

  return newItem;

}

int CCrossIndex::getA(int indexB){
  CCrossIndexItem * currItem;

  currItem = first;

  while (currItem != NULL) {
    if (currItem->getIndexB() == indexB) return currItem->getIndexA();
    currItem = currItem->getNext();
  }

  return -1;
}

int CCrossIndex::getB(int indexA){
  CCrossIndexItem * currItem;

  currItem = first;

  while (currItem != NULL) {
    if (currItem->getIndexA() == indexA) return currItem->getIndexB();
    currItem = currItem->getNext();
  }

  return -1;
}