mapworldobject.java

Massively Multiplayer Space Trading and Combat game. This is an online strategy game, not a 3D space

/*
 * MapWorldObject.java
 *
 * Copyright (C) 2000 Jason M. Hanley
 * Released under the GNU General Public License (GPL)
 * See license.txt for additional information.
 *
 * Created on July 30, 2000, 10:18 PM
 */
 
package fate.world;

import java.util.*;
import java.io.*;

import fate.*;
import fate.util.*;

/** 
 * Simple map to contain {@link WorldObject} objects.
 * @author  [e-mail]
 * @version 0.1.0
 */
public class MapWorldObject extends HashMap implements Serializable {

  /** Creates new MapWorldObject */
  public MapWorldObject() {
    super();
  }
  
  /** Adds a new WorldObject object */
  public int put( WorldObject wo ) {
    // If the object does not yet have an id
    if (wo.id == -1) {
      int lastID = FateServer.universe.getNextID();
      wo.id = lastID;
      put( new Integer( lastID ), wo );
    } else {
      put( new Integer( wo.id ), wo );
    }
    return wo.id;
  }
  
  /** Updates an existing WorldObject object */
  public void update( WorldObject wo ) {
    put( new Integer( wo.id ), wo );
  }
  
  /** Retrieves a WorldObject object */
  public WorldObject get( int id ) {
    WorldObject wo = null;

    wo = (WorldObject) get( new Integer( id ) );
    if (wo == null)
      Debug.trace( "Error: ID " + Integer.toString( id ) + " not found in MapWorldObject.get()" );
    
    return wo;
  }

  /** Retrieves a WorldObject object */
  public WorldObject remove( int id ) {
    return (WorldObject) remove( new Integer( id ) );
  }
}