misode

Custom data pack structures in 1.18.2

This guide will showcase how to create a data pack that adds a custom structure to the world. There is also a data pack download of this complete example.

Always leave the world and rejoin to apply the new changes!

⚠️ This guide has moved ⚠️

Updates for both 1.18.2 and 1.19 can be found at https://misode.github.io/guides/adding-custom-structures/

Pack.mcmeta

aynik

#!/usr/bin/env python3

import os
import sys
import types
import struct
import itertools
import functools
import collections

JDLogic

What is it

This task will migrate (remap) the project's source files to a new mapping version.

Warning:

Running this task with edit your project's source files. It does NOT make a backup. It is highly recommened that you commit any pending changes before doing this. (If you are not using version control, you should be.)

Before running the command

Source must be compilable

This process uses Srg2Source to remap the project's source files. Therefore, your project must be compilable for this process to work.

Drullkus

import com.mojang.datafixers.util.Function3;
import com.mojang.serialization.Codec;
import com.mojang.serialization.codecs.RecordCodecBuilder;
import net.minecraft.block.BlockState;

import java.util.List;

public class CodecExample {
    public static final Codec<CodecExample> CODEC = RecordCodecBuilder.create(
            instance -> instance.group(

williewillus

<?xml version="1.0" encoding="UTF-8"?>
<migrationMap>
  <name value="1.13.2 to 1.14" />
  <description value="1.13.2 to 1.14 MCP changes" />
  <entry oldName="net.minecraft.GameVersion" newName="net.minecraft.util.MinecraftVersion" type="class" />
  <entry oldName="net.minecraft.advancements.AdvancementList.Listener" newName="net.minecraft.advancements.AdvancementList.IListener" type="class" />
  <entry oldName="net.minecraft.advancements.RequirementsStrategy" newName="net.minecraft.advancements.IRequirementsStrategy" type="class" />
  <entry oldName="net.minecraft.advancements.criterion.AbstractCriterionInstance" newName="net.minecraft.advancements.criterion.CriterionInstance" type="class" />
  <entry oldName="net.minecraft.block.Block.EnumOffsetType" newName="net.minecraft.block.Block.OffsetType" type="class" />
  <entry oldName="net.minecraft.block.BlockAbstractBanner" newName="net.minecraft.block.AbstractBannerBlock" type="class" />