[英]Start Minecraft On Mac With Java
I am trying to make a java program that will launch minecraft in offline mode with whatever username i want so i can have usernames like Notch and deadmau5 and i am using this code to launch it on mac and windows (Currently Testing on mac): 我正在尝试制作一个Java程序,该程序将使用我想要的任何用户名以离线模式启动Minecraft,以便我可以拥有Notch和deadmau5之类的用户名,并且我正在使用此代码在Mac和Windows上启动它(当前在Mac上测试):
public void startMacMinecraft(String username) throws IOException,
InterruptedException {
System.out.println(defaultDirectory());
String sysUser = System.getProperty("user.name");
String commandString = "java -cp "
+ defaultDirectory()
+ "/minecraft/bin/minecraft.jar:"
+ defaultDirectory()
+ "/minecraft/bin/lwjgl.jar:"
+ defaultDirectory()
+ "/minecraft/bin/lwjgl_util.jar:"
+ defaultDirectory()
+ "/minecraft/bin/jinput.jar: -Djava.library.path="
+ defaultDirectory()
+ "/minecraft/bin/natives -Xmx1024M -Xms512M net.minecraft.client.Minecraft '"
+ username + "'";
CommandLine command = CommandLine.parse(commandString);
DefaultExecutor executor = new DefaultExecutor();
int exitValue = executor.execute(command);
System.out.println(exitValue);
System.out.println("\nTry Two:\n");
String javaExe = System.getProperty("java.home") + "/bin/java";
}
public void startWinMinecraft(String username) throws IOException,
InterruptedException {
String sysUser = System.getProperty("user.name");
String commandString = "Java -Xms512m -Xmx1024m -cp \"%APPDATA%\\.minecraft\\bin\\*\" -Djava.library.path=\"%APPDATA%\\.minecraft\\bin\\natives net.minecraft.client.Minecraft \""
+ username + "\"";
CommandLine command = CommandLine.parse(commandString);
DefaultExecutor executor = new DefaultExecutor();
int exitValue = executor.execute(command);
System.out.println(exitValue);
}
private static String defaultDirectory() {
String OS = System.getProperty("os.name").toUpperCase();
if (OS.contains("WIN"))
return System.getenv("APPDATA");
else if (OS.contains("MAC"))
return System.getProperty("user.home") + "/Library/Application "
+ "Support";
else if (OS.contains("NUX"))
return System.getProperty("user.home");
return System.getProperty("user.dir");
}
Which i am trying to adapt from this applescript which i have run before and got from https://gaming.stackexchange.com/questions/46608/how-can-i-run-minecraft-in-offline-mode-on-os-x-and-still-have-my-name that i will paste right here: 我正在尝试从之前运行过并从https://gaming.stackexchange.com/questions/46608/how-can-i-run-minecraft-in-offline-mode-on-os中获得的applescript改编-x-并且仍然有我的名字 ,我将在此处粘贴:
property user_name : "Player"
display dialog "Enter A User Name" default answer "" buttons {"Cancel", "Continue"} default button 2
set the user_name to text returned of the result
set UsrApp to (path to current user folder)
set UsrApp_unx to POSIX path of UsrApp
set MineScript to "java -cp " & UsrApp_unx & "Library/Application\\ Support/minecraft/bin/minecraft.jar:" & UsrApp_unx & "Library/Application\\ Support/minecraft/bin/lwjgl.jar:" & UsrApp_unx & "Library/Application\\ Support/minecraft/bin/lwjgl_util.jar:" & UsrApp_unx & "Library/Application\\ Support/minecraft/bin/jinput.jar: -Djava.library.path=" & UsrApp_unx & "Library/Application\\ Support/minecraft/bin/natives -Xmx1024M -Xms512M net.minecraft.client.Minecraft '" & user_name & "'"
do shell script MineScript
When i run the applescript it works perfectly fine but when i run my adapted version it gives me a class not found error: 当我运行applescript时,它工作得很好,但是当我运行修改后的版本时,它给了我一个类未找到错误:
Logging in as: Player
/Users/Connor/Library/Application Support
Exception in thread "main" java.lang.NoClassDefFoundError: Support/minecraft/bin/minecraft/jar:/Users/Connor/Library/Application
Caused by: java.lang.ClassNotFoundException: Support.minecraft.bin.minecraft.jar:.Users.Connor.Library.Application
at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
org.apache.commons.exec.ExecuteException: Process exited with an error: 1 (Exit value: 1)
at org.apache.commons.exec.DefaultExecutor.executeInternal(DefaultExecutor.java:377)
at org.apache.commons.exec.DefaultExecutor.execute(DefaultExecutor.java:160)
at org.apache.commons.exec.DefaultExecutor.execute(DefaultExecutor.java:147)
at info.connorbp.GUIApp.LoginPanel.startMacMinecraft(LoginPanel.java:137)
at info.connorbp.GUIApp.LoginPanel$1.actionPerformed(LoginPanel.java:82)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2028)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2351)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
at java.awt.Component.processMouseEvent(Component.java:6375)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
at java.awt.Component.processEvent(Component.java:6140)
at java.awt.Container.processEvent(Container.java:2083)
at java.awt.Component.dispatchEventImpl(Component.java:4737)
at java.awt.Container.dispatchEventImpl(Container.java:2141)
at java.awt.Component.dispatchEvent(Component.java:4565)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4619)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4280)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4210)
at java.awt.Container.dispatchEventImpl(Container.java:2127)
at java.awt.Window.dispatchEventImpl(Window.java:2482)
at java.awt.Component.dispatchEvent(Component.java:4565)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:684)
at java.awt.EventQueue.access$000(EventQueue.java:85)
at java.awt.EventQueue$1.run(EventQueue.java:643)
at java.awt.EventQueue$1.run(EventQueue.java:641)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:98)
at java.awt.EventQueue$2.run(EventQueue.java:657)
at java.awt.EventQueue$2.run(EventQueue.java:655)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:654)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:296)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:211)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:196)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:188)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
does anyone know what i am doing wrong or how to fix it? 有谁知道我在做什么错或如何解决?
EDIT: 编辑:
Even stranger yet, I went into the events area of the applescript area and found the exact command the applescript was running: 甚至更陌生的是,我进入了applescript区域的events区域,发现applescript正在运行的确切命令:
java -cp /Users/Connor/Library/Application\\ Support/minecraft/bin/minecraft.jar:/Users/Connor/Library/Application\\ Support/minecraft/bin/lwjgl.jar:/Users/Connor/Library/Application\\ Support/minecraft/bin/lwjgl_util.jar:/Users/Connor/Library/Application\\ Support/minecraft/bin/jinput.jar: -Djava.library.path=/Users/Connor/Library/Application\\ Support/minecraft/bin/natives -Xmx1024M -Xms512M net.minecraft.client.Minecraft 'username'
and even when a tried running the script that came directly from the applescript i got another java.lang.NoClassDefFoundError error, even though i took the command directly from the applescript that is working. 即使我尝试运行直接来自applescript的脚本,我仍然遇到另一个java.lang.NoClassDefFoundError错误,即使我直接从正在运行的applescript中获取了命令。
In the default launcher, whatever username you provide gets used for offline mode, so writing a separate launcher is pointless. 在默认启动器中,您提供的任何用户名都会用于离线模式,因此编写单独的启动器是没有意义的。
In any case, decompiling the launcher should give us a pretty good idea of how to launch the game. 无论如何,反编译启动器都应该使我们对如何启动游戏有一个很好的了解。
There is a lot of code so I recommend decompiling it yourself. 有很多代码,所以我建议您自己对其进行反编译。 For mac, JD-GUI does an alright job.
对于Mac,JD-GUI做得很好。 For windows, I can't recommend a decompiler, but thats what google is for :)
对于Windows,我不推荐使用反编译器,但这就是google的目的:)
After you get the launcher source code, have a peek at public void login(String userName, String password)
in net.minecraft.LauncherFrame. 获取启动器源代码后,请查看net.minecraft.LauncherFrame中的
public void login(String userName, String password)
。 Also relevant is net.minecraft.Launcher. 同样相关的是net.minecraft.Launcher。
Reading through that should give you a pretty good idea of how to launch minecraft. 通读该书,您应该对如何启动《我的世界》有一个很好的了解。
Oops, forgot about this question. 糟糕,忘记了这个问题。 I was actually just missing some of the code that was needed in order to launch minecraft.
实际上,我只是缺少启动Minecraft所需的一些代码。
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