Bottomless structures and floating villages in void? Check here.

[linzexin022]

Hello Youmiel,
I found a fabric mod that prevents structures (villages, ruined portals, etc) from being generated at the bottom of the world bottomlessly. Mabe you can find inspirations in codes of this mod. :)
Here's the link: https://www.curseforge.com/minecraft/mc-mods/structure-floater-fabric

[Youmiel]

The bottomless structrues are related to worldgen bugs in Minecraft(MC-128659). It affects all structures that would match the terrain surface in world generation.

Unfortunately, it seems that Mojang don't have the ability or motivation to fix this bug. And datapacks are not as powerful as mods, due to the limited extensiblity in Minecraft's code.

So, at least in my opinion, this bug cannot be solved by a datapack. If someone does have a workaround to solve this issue, please tell me or pr to this repository. I would greatly appreciate it.

[LittleCircleOO]

May be solved with this mod installed.

[Youmiel]

May be solved with this mod installed.

It seems that only mod could solve this issue. If anyone wants unbroken structure, just install this mod.

[Mzhuangshao]

在minecraft\worldgen\structure中，直接修改村庄的生成高度
去除"project_start_to_heightmap"字段，用"start_height"直接定义村庄在某个高度区间生成
相关实现

[Youmiel]

在minecraft\worldgen\structure中，直接修改村庄的生成高度 去除"project_start_to_heightmap"字段，用"start_height"直接定义村庄在某个高度区间生成 相关实现

请问这个start_height最早是什么版本加入的？我目前查到的是 22w11a (1.19快照)，1.18.2 往前似乎是依靠worldgen\configured_structure_feature 里 adapt_noise 这个布尔量控制是否使该结构贴合地形生成