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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,93 @@ | ||
| package com.mtbs3d.minecrift.utils; | ||
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| import java.lang.reflect.Field; | ||
| import java.lang.reflect.Method; | ||
| import java.nio.ByteBuffer; | ||
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| import org.lwjgl.LWJGLUtil; | ||
| import org.lwjgl.opengl.Display; | ||
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| import com.google.common.base.Throwables; | ||
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| /** | ||
| * This is super dirty hacks into LWJGL core code. | ||
| * Do not look unless you want your eyeballs to implode. | ||
| */ | ||
| public class InputInjector { | ||
| private static boolean supported = true; | ||
| //private static Method putMouseEvent; | ||
| private static Method putKeyboardEvent; | ||
| private static Object keyboard; | ||
| private static Object mouse; | ||
| private static Class keyboardClass; | ||
| private static Class mouseClass; | ||
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| private static void lazyLoad() { | ||
| if (supported && (keyboard == null || mouse == null)) { | ||
| try { | ||
| Object displayImpl = getFieldValue(Display.class, "display_impl", null); | ||
| switch (LWJGLUtil.getPlatform()) { | ||
| case LWJGLUtil.PLATFORM_WINDOWS: | ||
| keyboard = getFieldValue(Class.forName("org.lwjgl.opengl.WindowsDisplay"), "keyboard", displayImpl); | ||
| mouse = getFieldValue(Class.forName("org.lwjgl.opengl.WindowsDisplay"), "mouse", displayImpl); | ||
| keyboardClass = Class.forName("org.lwjgl.opengl.WindowsKeyboard"); | ||
| mouseClass = Class.forName("org.lwjgl.opengl.WindowsMouse"); | ||
| break; | ||
| case LWJGLUtil.PLATFORM_LINUX: | ||
| keyboard = getFieldValue(Class.forName("org.lwjgl.opengl.LinuxDisplay"), "keyboard", displayImpl); | ||
| mouse = getFieldValue(Class.forName("org.lwjgl.opengl.LinuxDisplay"), "mouse", displayImpl); | ||
| keyboardClass = Class.forName("org.lwjgl.opengl.LinuxKeyboard"); | ||
| mouseClass = Class.forName("org.lwjgl.opengl.LinuxMouse"); | ||
| break; | ||
| default: | ||
| supported = false; | ||
| System.out.println("InputInjector is not supported on this platform"); | ||
| return; | ||
| } | ||
| } catch (Exception e) { | ||
| Throwables.propagate(e); | ||
| } | ||
| } | ||
| } | ||
|
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| private static Object getFieldValue(Class clazz, String name, Object obj) throws ReflectiveOperationException { | ||
| Field field = clazz.getDeclaredField(name); | ||
| field.setAccessible(true); | ||
| return field.get(obj); | ||
| } | ||
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| private static void putKeyboardEvent(int keycode, boolean state, int ch) throws ReflectiveOperationException { | ||
| lazyLoad(); | ||
| boolean windows = LWJGLUtil.getPlatform() == LWJGLUtil.PLATFORM_WINDOWS; | ||
| if (putKeyboardEvent == null) { | ||
| putKeyboardEvent = keyboardClass.getDeclaredMethod(windows ? "putEvent" : "putKeyboardEvent", Integer.TYPE, Byte.TYPE, Integer.TYPE, Long.TYPE, Boolean.TYPE); | ||
| putKeyboardEvent.setAccessible(true); | ||
| } | ||
| putKeyboardEvent.invoke(keyboard, keycode, state ? (byte)1 : (byte)0, ch, windows ? System.nanoTime() / 1000000 : System.nanoTime(), false); | ||
| } | ||
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| public static void pressKey(int code, char ch) { | ||
| try { | ||
| putKeyboardEvent(code, true, ch); | ||
| } catch (Exception e) { | ||
| Throwables.propagate(e); | ||
| } | ||
| } | ||
|
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| public static void releaseKey(int code, char ch) { | ||
| try { | ||
| putKeyboardEvent(code, false, ch); | ||
| } catch (Exception e) { | ||
| Throwables.propagate(e); | ||
| } | ||
| } | ||
|
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| public static void typeKey(int code, char ch) { | ||
| pressKey(code, ch); | ||
| releaseKey(code, ch); | ||
| } | ||
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| public static boolean isSupported() { | ||
| return supported; | ||
| } | ||
| } |