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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   */
20  package net.sf.magicproject.action;
21  
22  import java.io.IOException;
23  import java.io.InputStream;
24  
25  import net.sf.magicproject.clickable.ability.Ability;
26  import net.sf.magicproject.event.context.ContextEventListener;
27  import net.sf.magicproject.token.MCommonVars;
28  
29  /***
30   * This action is used to modifiy a public register of play.
31   * 
32   * @author <a href="mailto:fabdouglas@users.sourceforge.net">Fabrice Daugan </a>
33   * @since 0.71
34   */
35  class ModifyStaticRegister extends ModifyRegister {
36  
37  	/***
38  	 * Create an instance of ModifyRegister by reading a file Offset's file must
39  	 * pointing on the first byte of this action <br>
40  	 * <ul>
41  	 * Structure of InputStream : Data[size]
42  	 * <li> [super]</li>
43  	 * </ul>
44  	 * 
45  	 * @param inputFile
46  	 *          file containing this action
47  	 * @throws IOException
48  	 *           if error occured during the reading process from the specified
49  	 *           input stream
50  	 */
51  	ModifyStaticRegister(InputStream inputFile) throws IOException {
52  		super(inputFile);
53  	}
54  
55  	@Override
56  	public final Actiontype getIdAction() {
57  		return Actiontype.MODIFY_STATIC_REGISTER;
58  	}
59  
60  	@Override
61  	public boolean play(ContextEventListener context, Ability ability) {
62  		int reg = index.getValue(ability, null, context);
63  		MCommonVars.registers[reg] = op.process(
64  				MCommonVars.registers[reg], getValue(ability, null, context));
65  		return true;
66  	}
67  
68  	@Override
69  	public String toString(Ability ability) {
70  		return "Modify play register";
71  	}
72  }