Source code: jdstar/Input.java
1 /*
2 * Copyright (C) 1999-2001 Max Gilead <gilead@linart.pl>
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version 2
7 * of the License, or (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17 */
18 package jdstar;
19
20 import huf.data.LinkedList;
21 import huf.data.Iterator;
22 import java.awt.event.KeyListener;
23 import java.awt.event.KeyEvent;
24
25 /**
26 * This class is responsible for delivering player input to all requesting classes.
27 */
28 public class Input
29 implements KeyListener
30 {
31 private int keyTOGGLE = KeyEvent.VK_SPACE;
32 private int keyLEFT = KeyEvent.VK_NUMPAD4;
33 private int keyDOWN = KeyEvent.VK_NUMPAD2;
34 private int keyRIGHT = KeyEvent.VK_NUMPAD6;
35 private int keyUP = KeyEvent.VK_NUMPAD8;
36
37 boolean playerActive = true;
38 private int keyDownCode = 0;
39
40 public void keyPressed(KeyEvent evt)
41 {
42 int keyCode = evt.getKeyCode();
43 keyDownCode = keyCode;
44 if (keyCode == keyTOGGLE)
45 {
46 playerActive = playerActive ? false : true;
47 fireEvent(new InputEvent(playerActive ? InputEvent.SELECT_PLAYER : InputEvent.SELECT_BUDDY));
48 return;
49 }
50 if (keyCode == keyLEFT)
51 {
52 fireEvent(new InputEvent(InputEvent.LEFT));
53 return;
54 }
55 if (keyCode == keyDOWN)
56 {
57 fireEvent(new InputEvent(InputEvent.UP)); // !!!
58 return;
59 }
60 if (keyCode == keyRIGHT)
61 {
62 fireEvent(new InputEvent(InputEvent.RIGHT));
63 return;
64 }
65 if (keyCode == keyUP)
66 {
67 fireEvent(new InputEvent(InputEvent.DOWN)); // !!!
68 return;
69 }
70 }
71 public void keyReleased(KeyEvent evt)
72 {
73 if (evt.getKeyCode() == keyDownCode)
74 fireEvent(new InputEvent(InputEvent.IDLE));
75 }
76 public void keyTyped(KeyEvent evt) {} // ignored
77
78 private LinkedList listeners = new LinkedList();
79 public void addInputListener(InputListener listener)
80 {
81 listeners.add(listener);
82 }
83
84 private void fireEvent(InputEvent evt)
85 {
86 Iterator i = listeners.iterator();
87 while(i.hasNext())
88 ((InputListener)i.next()).inputEvent(evt);
89 }
90 }
91