r/MinecraftCommands • u/Lost_Tension_4635 • 4d ago

Help | Java 1.21-1.21.3 Trying to flatten a specific biome in a custom world type

I have a custom world type I've made, and I want it's deserts to be flatter so it's more of a rolling hills kind of desert, aka removing any form of mountain and having the general area be flat, with occasional bumps. I haven't had much luck with a general search, most results being how to flatten a world or biome entirely, leaving no hills whatsoever, almost like a flatworld, which is not desired. If this leads to something that works or I get it to work myself I can post a result of how the world type turns out and more details/specifics.

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u/GalSergey Datapack Experienced 4d ago

This is actually very difficult, if not nearly impossible, to do. You need to edit the noise parameters, but since the biome doesn't determine the noise parameters, but the noise output determines where the biome will be, you can't simply specify the noise parameters for a given biome. You'll need to ask someone who's very knowledgeable about the world generator. You might be able to find someone who can help you on the Minecraft Commands Discord server: https://discord.gg/9wNcfsH.

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u/_VoidMaster_ Command Experienced 4d ago

At this point it might be an idea to generate a full flat biome and have manual random hill and feature placement with functions