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1   /*
2    *   Magic-Project is a turn based strategy simulator
3    *   Copyright (C) 2003-2007 Fabrice Daugan
4    *
5    *   This program is free software; you can redistribute it and/or modify it 
6    * under the terms of the GNU General Public License as published by the Free 
7    * Software Foundation; either version 2 of the License, or (at your option) any
8    * later version.
9    *
10   *   This program is distributed in the hope that it will be useful, but WITHOUT 
11   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
12   * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more 
13   * details.
14   *
15   *   You should have received a copy of the GNU General Public License along  
16   * with this program; if not, write to the Free Software Foundation, Inc., 
17   * 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
18   */
19  package net.sf.magicproject.test;
20  
21  import java.io.IOException;
22  import java.io.InputStream;
23  import java.util.List;
24  
25  import net.sf.magicproject.clickable.ability.Ability;
26  import net.sf.magicproject.clickable.targetable.card.MCard;
27  import net.sf.magicproject.clickable.targetable.player.Player;
28  import net.sf.magicproject.event.MEventListener;
29  import net.sf.magicproject.event.ModifiedController;
30  import net.sf.magicproject.event.context.ContextEventListener;
31  import net.sf.magicproject.expression.Expression;
32  import net.sf.magicproject.expression.ExpressionFactory;
33  import net.sf.magicproject.stack.StackManager;
34  import net.sf.magicproject.token.IdZones;
35  
36  /***
37   * @author <a href="mailto:fabdouglas@users.sourceforge.net">Fabrice Daugan </a>
38   * @since 0.60
39   */
40  class IsController extends TestCard {
41  
42  	/***
43  	 * Create an instance of IsController by reading a file. Offset's file must
44  	 * pointing on the first byte of this test <br>
45  	 * <ul>
46  	 * Structure of InputStream : Data[size]
47  	 * <li>one [TestOn]</li>
48  	 * <li>other [Expression]</li>
49  	 * </ul>
50  	 * 
51  	 * @param inputFile
52  	 *          is the file containing this event
53  	 * @throws IOException
54  	 *           if error occurred during the reading process from the specified
55  	 *           input stream
56  	 */
57  	IsController(InputStream inputFile) throws IOException {
58  		super(inputFile);
59  		other = ExpressionFactory.readNextExpression(inputFile);
60  	}
61  
62  	@Override
63  	protected boolean testCard(Ability ability, MCard tested) {
64  		return on.getCard(ability, tested).getController() == StackManager.PLAYERS[other
65  				.getValue(ability, tested, null)];
66  	}
67  
68  	@Override
69  	public void extractTriggeredEvents(List<MEventListener> res, MCard source,
70  			Test globalTest) {
71  		res.add(new ModifiedController(IdZones.PLAY, globalTest, source));
72  	}
73  
74  	@Override
75  	public Player getOptimizedController(Ability ability,
76  			ContextEventListener context) {
77  		if (on == TestOn.TESTED && other.isConstant()) {
78  			return StackManager.PLAYERS[other.getValue(ability, null, context)];
79  		}
80  		return null;
81  	}
82  
83  	/***
84  	 * Is the player code to match during each test
85  	 */
86  	protected Expression other;
87  }