org/jpc/luaextensions/InputDevices.java

   1 /*
   2     JPC-RR: A x86 PC Hardware Emulator
   3     Release 1
   4
   5     Copyright (C) 2007-2009 Isis Innovation Limited
   6     Copyright (C) 2009-2010 H. Ilari Liusvaara
   7
   8     This program is free software; you can redistribute it and/or modify
   9     it under the terms of the GNU General Public License version 2 as published by
  10     the Free Software Foundation.
  11
  12     This program is distributed in the hope that it will be useful,
  13     but WITHOUT ANY WARRANTY; without even the implied warranty of
  14     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15     GNU General Public License for more details.
  16
  17     You should have received a copy of the GNU General Public License along
  18     with this program; if not, write to the Free Software Foundation, Inc.,
  19     51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20
  21     Based on JPC x86 PC Hardware emulator,
  22     A project from the Physics Dept, The University of Oxford
  23
  24     Details about original JPC can be found at:
  25
  26     www-jpc.physics.ox.ac.uk
  27
  28 */
  29
  30 package org.jpc.luaextensions;
  31
  32 import mnj.lua.*;
  33
  34 import org.jpc.modules.Joystick;
  35 import org.jpc.emulator.peripheral.Keyboard;
  36
  37 import org.jpc.plugins.LuaPlugin;
  38
  39 //Locking this class is used for preventing termination and when terminating.
  40 public class InputDevices extends LuaPlugin.LuaResource
  41 {
  42     public void destroy()
  43     {
  44     }
  45
  46     private InputDevices(LuaPlugin plugin)
  47     {
  48         super(plugin);
  49     }
  50
  51     public static int luaCB_keypressed(Lua l, LuaPlugin plugin)
  52     {
  53         if(l.type(1) != Lua.TNUMBER) {
  54             l.error("Unexpected types to keypressed");
  55             return 0;
  56         }
  57         Keyboard key = (Keyboard)plugin.getComponent(Keyboard.class);
  58         if(key != null)
  59             l.pushBoolean(key.getKeyExecStatus((byte)l.checkNumber(1)));
  60         else
  61             l.pushBoolean(false);
  62         return 1;
  63     }
  64
  65     public static int luaCB_keypressed_edge(Lua l, LuaPlugin plugin)
  66     {
  67         if(l.type(1) != Lua.TNUMBER) {
  68             l.error("Unexpected types to keypressed");
  69             return 0;
  70         }
  71         Keyboard key = (Keyboard)plugin.getComponent(Keyboard.class);
  72         if(key != null)
  73             l.pushBoolean(key.getKeyStatus((byte)l.checkNumber(1)));
  74         else
  75             l.pushBoolean(false);
  76         return 1;
  77     }
  78
  79     public static int luaCB_keyboard_leds(Lua l, LuaPlugin plugin)
  80     {
  81         Keyboard key = (Keyboard)plugin.getComponent(Keyboard.class);
  82         if(key != null) {
  83             int status = key.getLEDStatus();
  84             if(status < 0) {
  85                 l.pushBoolean(false);
  86                 return 1;
  87             } else {
  88                 l.pushBoolean((status & 2) != 0);
  89                 l.pushBoolean((status & 4) != 0);
  90                 l.pushBoolean((status & 1) != 0);
  91                 return 3;
  92             }
  93         } else {
  94             l.pushNil();
  95             return 1;
  96         }
  97     }
  98
  99     public static int luaCB_joystick_state(Lua l, LuaPlugin plugin)
 100     {
 101         Joystick joy = (Joystick)plugin.getComponent(Joystick.class);
 102
 103         if(joy != null) {
 104             l.push(new Double(joy.axisHoldTime(0, false)));
 105             l.push(new Double(joy.axisHoldTime(1, false)));
 106             l.push(new Double(joy.axisHoldTime(2, false)));
 107             l.push(new Double(joy.axisHoldTime(3, false)));
 108             l.pushBoolean(joy.buttonState(0, false));
 109             l.pushBoolean(joy.buttonState(1, false));
 110             l.pushBoolean(joy.buttonState(2, false));
 111             l.pushBoolean(joy.buttonState(3, false));
 112             return 8;
 113         } else {
 114             l.pushNil();
 115             return 1;
 116         }
 117     }
 118
 119     public static int luaCB_mouse_state(Lua l, LuaPlugin plugin)
 120     {
 121         Keyboard kbd = (Keyboard)plugin.getComponent(Keyboard.class);
 122         if(kbd != null) {
 123             l.push(new Double(kbd.getMouseXPendingMotion()));
 124             l.push(new Double(kbd.getMouseYPendingMotion()));
 125             l.push(new Double(kbd.getMouseZPendingMotion()));
 126             int b = kbd.getMouseButtonStatus();
 127             l.pushBoolean((b & 1) != 0);
 128             l.pushBoolean((b & 2) != 0);
 129             l.pushBoolean((b & 4) != 0);
 130             l.pushBoolean((b & 8) != 0);
 131             l.pushBoolean((b & 16) != 0);
 132             return 8;
 133         } else {
 134             l.pushNil();
 135             return 1;
 136         }
 137     }
 138 }