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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.expression;
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.clickable.targetable.Targetable;
27  import net.sf.magicproject.event.context.ContextEventListener;
28  import net.sf.magicproject.token.IdConst;
29  import net.sf.magicproject.tools.MToolKit;
30  
31  /***
32   * @author <a href="mailto:fabdouglas@users.sourceforge.net">Fabrice Daugan </a>
33   * @since 0.91 the pre-empted value of ALL, is ONE.
34   */
35  public class IntValue extends Expression {
36  
37  	/***
38  	 * Creates a new instance of IntValue <br>
39  	 * <ul>
40  	 * Structure of InputStream : Data[size]
41  	 * <li>int 16 value [2]</li>
42  	 * </ul>
43  	 * 
44  	 * @param inputFile
45  	 *          file containing this action
46  	 * @throws IOException
47  	 *           if error occurred during the reading process from the specified
48  	 *           input stream
49  	 */
50  	public IntValue(InputStream inputFile) throws IOException {
51  		super();
52  		value = MToolKit.getConstant(MToolKit.readInt16(inputFile));
53  	}
54  
55  	/***
56  	 * Creates a new instance of IntValue with a specified value.
57  	 * 
58  	 * @param value
59  	 *          integer value of this expression
60  	 */
61  	public IntValue(int value) {
62  		super();
63  		this.value = value;
64  	}
65  
66  	@Override
67  	public int getPreemptionValue(Ability ability, Targetable tested,
68  			ContextEventListener context) {
69  		if (value == IdConst.ALL) {
70  			return 1;
71  		}
72  		return super.getPreemptionValue(ability, tested, context);
73  	}
74  
75  	@Override
76  	public int getValue(Ability ability, Targetable tested,
77  			ContextEventListener context) {
78  		return value;
79  	}
80  
81  	@Override
82  	public String toString() {
83  		return String.valueOf(value);
84  	}
85  
86  	@Override
87  	public boolean isConstant() {
88  		return true;
89  	}
90  
91  	/***
92  	 * The integer value of this expression
93  	 */
94  	public int value;
95  
96  }