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1.3: singleplayer hacks
disabled by default
1 parent e1f7bcc commit df2616c

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9 files changed

+373
-19
lines changed

9 files changed

+373
-19
lines changed

‎README.md‎

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@@ -17,6 +17,14 @@ Download latest version from releases and launch it.
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Select version you want to wrap and click 'Install'
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**SINGLEPLAYER HACKS**
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- Teleport hack (useful for checking farlands!)
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Works all the way from 0.27 to Release 1.0, havent tested other versions but propably it works too.
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You need to add -Dretrowrapper.hack=true to Java arguments in your launcher.
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**HOW TO USE (manual)**
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Download retrowrapper-1.2.jar from releases.

‎src/com/zero/retrowrapper/emulator/EmulatorConfig.java‎

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@@ -1,12 +1,19 @@
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package com.zero.retrowrapper.emulator;
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import java.applet.Applet;
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import java.lang.reflect.Field;
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import java.util.Random;
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public class EmulatorConfig
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{
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private static EmulatorConfig instance;
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public Field minecraftField;
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public Applet applet;
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private int port;
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public String mobClass;
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public EmulatorConfig()
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{

‎src/com/zero/retrowrapper/hack/HackThread.java‎

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package com.zero.retrowrapper.hack;
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import java.awt.Dimension;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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import java.lang.reflect.Field;
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import javax.swing.JButton;
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import javax.swing.JFrame;
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import javax.swing.JLabel;
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import javax.swing.JOptionPane;
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import javax.swing.JTextField;
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import javax.swing.UIManager;
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import javax.swing.WindowConstants;
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import com.zero.retrowrapper.emulator.EmulatorConfig;
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import com.zero.retrowrapper.injector.RetroTweakInjectorTarget;
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public class HackThread extends Thread implements Runnable
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{
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public JFrame frame;
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public JLabel label;
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@Override
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public void run()
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{
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final RetroPlayer player = new RetroPlayer(this);
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try
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{
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UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
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}catch (Exception e)
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{
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e.printStackTrace();
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}
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frame = new JFrame("Retrowrapper");
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Dimension dim = new Dimension(654, 310);
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frame.setPreferredSize(dim);
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frame.setMinimumSize(dim);
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frame.setLayout(null);
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frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
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frame.setResizable(false);
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frame.setLocationRelativeTo(null);
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label = new JLabel("<html>Position:<br>&nbsp&nbsp&nbsp;x: null<br>&nbsp&nbsp&nbsp;y: null<br>&nbsp&nbsp&nbsp;z: null</html>");
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label.setBounds(30, 10, 500, 80);
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frame.add(label);
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JLabel xl = new JLabel("x:");
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xl.setBounds(30, 103, 50, 20);
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frame.add(xl);
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JLabel yl = new JLabel("y:");
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yl.setBounds(30, 135, 50, 20);
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frame.add(yl);
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JLabel zl = new JLabel("z:");
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zl.setBounds(30, 167, 50, 20);
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frame.add(zl);
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final JTextField x = new JTextField();
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x.setBounds(50, 100, 200, 30);
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frame.add(x);
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final JTextField y = new JTextField();
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y.setBounds(50, 132, 200, 30);
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frame.add(y);
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final JTextField z = new JTextField();
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z.setBounds(50, 164, 200, 30);
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frame.add(z);
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JButton b = new JButton("Teleport");
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b.setBounds(50, 202, 200, 40);
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b.addActionListener(new ActionListener()
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{
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@Override
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public void actionPerformed(ActionEvent e)
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{
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try
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{
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float dx = Float.valueOf(x.getText().replaceAll(",", "").replaceAll(" ", ""));
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float dy = Float.valueOf(y.getText().replaceAll(",", "").replaceAll(" ", ""));
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float dz = Float.valueOf(z.getText().replaceAll(",", "").replaceAll(" ", ""));
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player.teleport(dx, dy, dz);
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}catch(Exception ee)
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{
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JOptionPane.showMessageDialog(null, "Exception occured!\n"+ee.getClass().getName()+"\n"+ee.getMessage());
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}
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}
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});
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frame.add(b);
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frame.setVisible(true);
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try
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{
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EmulatorConfig config = EmulatorConfig.getInstance();
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config.minecraftField.setAccessible(true);
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player.minecraft = config.minecraftField.get(config.applet);
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Class<?> mcClass = getMostSuper(player.minecraft.getClass());
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System.out.println("Minecraft class: "+mcClass.getName());
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System.out.println("Mob class: "+config.mobClass);
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player.playerObj = null;
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Class<?> mobClass = RetroTweakInjectorTarget.getaClass(config.mobClass);
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while(player.playerObj == null)
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{
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for(Field f : mcClass.getDeclaredFields())
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{
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if(mobClass.isAssignableFrom(f.getType()) || f.getType().equals(mobClass))
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{
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player.playerField = f;
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player.playerObj = f.get(player.minecraft);
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break;
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}
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}
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Thread.sleep(1000);
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}
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System.out.println("Player class: "+player.playerObj.getClass().getName());
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player.entityClass = getMostSuper(mobClass);
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System.out.println("Entity class: "+player.entityClass.getName());
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player.setAABB();
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if(player.aabb != null)
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{
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while(true)
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{
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player.tick();
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Thread.sleep(100);
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}
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}
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}catch(Exception e)
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{
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e.printStackTrace();
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}
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}
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private Class<?> getMostSuper(Class<?> mobClass)
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{
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while(true)
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{
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if(!mobClass.getSuperclass().equals(Object.class))
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{
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mobClass = mobClass.getSuperclass();
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}else
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{
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break;
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}
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}
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return mobClass;
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}
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}

‎src/com/zero/retrowrapper/hack/RetroPlayer.java‎

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package com.zero.retrowrapper.hack;
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import java.lang.reflect.Field;
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import java.lang.reflect.Modifier;
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public class RetroPlayer
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{
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public Field x, y, z, x2, y2, z2;
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public double ax, ay, az;
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public Object aabb;
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public Class<?> entityClass;
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public Object playerObj;
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public HackThread thread;
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public Field playerField;
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public Object minecraft;
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private boolean modeFloat;
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public RetroPlayer(HackThread thread)
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{
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this.thread = thread;
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}
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public void tick() throws IllegalArgumentException, IllegalAccessException, InterruptedException
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{
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try
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{
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playerObj = playerField.get(minecraft);
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if(playerObj != null)
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{
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setAABB();
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ax = getVariable(x2, aabb) - getX();
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ay = getVariable(y2, aabb) - getY();
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az = getVariable(z2, aabb) - getZ();
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thread.label.setText("<html>Position:<br>&nbsp&nbsp&nbsp;x: "+Math.floor(getX()*10)/10+"<br>&nbsp&nbsp&nbsp;y: "+Math.floor(getY()*10)/10+"<br>&nbsp&nbsp&nbsp;z: "+Math.floor(getZ()*10)/10+"</html>");
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}
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}catch(Exception e)
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{
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e.printStackTrace();
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Thread.sleep(1000);
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}
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}
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public void setAABB() throws IllegalArgumentException, IllegalAccessException
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{
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boolean flag2 = false;
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for(Field f : entityClass.getDeclaredFields())
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{
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if(!flag2)
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{
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if(f.getType().getName().equals("float"))
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{
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flag2 = true;
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}
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}else
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{
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if(!f.getType().isPrimitive())
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{
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aabb = f.get(playerObj);
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break;
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}
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}
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}
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if(aabb != null)
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{
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int doubleCount = 0;
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label:
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for(Field f : aabb.getClass().getDeclaredFields())
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{
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if(Modifier.isPublic(f.getModifiers()) && (f.getType().getName().equals("double") || f.getType().getName().equals("float")))
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{
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if(f.getType().getName().equals("float"))
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{
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modeFloat = true;
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}
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switch(doubleCount)
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{
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case 0:
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x = f;
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break;
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case 1:
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y = f;
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break;
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case 2:
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z = f;
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break;
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case 3:
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x2 = f;
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break;
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case 4:
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y2 = f;
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break;
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case 5:
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z2 = f;
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break;
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default:
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break label;
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}
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doubleCount++;
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}
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}
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}
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}
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private double getX() throws IllegalArgumentException, IllegalAccessException
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{
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return getVariable(x, aabb);
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}
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private double getY() throws IllegalArgumentException, IllegalAccessException
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{
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return getVariable(y, aabb);
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}
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private double getZ() throws IllegalArgumentException, IllegalAccessException
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{
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return getVariable(z, aabb);
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}
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private double getVariable(Field f, Object o) throws IllegalArgumentException, IllegalAccessException
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{
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if(modeFloat)
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{
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return ((Float)f.getFloat(o)).doubleValue();
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}else
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{
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return f.getDouble(o);
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}
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}
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public void teleport(double dx, double dy, double dz) throws IllegalArgumentException, IllegalAccessException
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{
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if(modeFloat)
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{
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x.set(aabb, (float)dx);
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y.set(aabb, (float)dy);
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z.set(aabb, (float)dz);
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x2.set(aabb, (float)(dx+ax));
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y2.set(aabb, (float)(dy+ay));
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z2.set(aabb, (float)(dz+az));
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}else
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{
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x.set(aabb, dx);
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y.set(aabb, dy);
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z.set(aabb, dz);
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x2.set(aabb, dx+ax);
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y2.set(aabb, dy+ay);
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z2.set(aabb, dz+az);
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}
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}
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}

‎src/com/zero/retrowrapper/injector/LauncherFake.java‎

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Original file line numberDiff line numberDiff line change
@@ -19,7 +19,7 @@ public LauncherFake(Map<String, String> params, Applet applet)
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{
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this.params = params;
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}
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@Override
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public void appletResize(int width, int height) {}
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