node.java

Vyger offers a D & D and Rogue-like environment in a graphical online roleplay game.

/*
 * Light And Shadow. A Persistent Universe based on Robert Jordan's Wheel of Time Books.
 * Copyright (C) 2001-2002 WOTLAS Team
 *
 * 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.
 */

package wotlas.libs.pathfinding;

import java.awt.Point;

/** a Node represents a cell in the matrix associated with a {@link AStar#mask mask}
 * it is used in the A* algorithm.
 *
 * @see wotlas.libs.pathfinding.AStar
 * @author Petrus
 */

public class Node
{
  /*------------------------------------------------------------------------------------*/

  /** coordonate
   */
  Point point;
  
  /** cost
   */
  int   g;
  
  /** distance to the goal (heuristic)
   */
  int   h;
  
  /** total : f=g+h
   */
  int   f;
  
  /** Node's parent
   */
  Node  parent;
 
 /*------------------------------------------------------------------------------------*/
 
  /**
   * Constructor
   */
  Node() {
    parent = null;
  }

}