hi so i’m wanting to try out some of the minecraft mods you recommended a while back, and im curious if you could clarify how you reduce the weight of the nether biomes? i see that the weight is listed as 14 in the config file, and using a calculator to reduce 14 by 75% gives me 13.895, which i’ll round down to 13 since idk if the configuration would be able to use decimals. is that accurate or should i decrease it more?
WELL... it's a bit more complex than just the weight, I've found out. What you're probably trying to do is reduce the frequency of how often you see Regions Unexplored's nether biomes. So, QUICK ANSWER,
Lower the "weight" of biomes in Terrablender's config.
Lower the "region size" in the Terrablender's config, too
If you want more careful control over Regions Unexplored specifically, go into its subfolder in your configs folder, and toggle "custom regions."
I will explain what these terms mean deeper into this post.
To do that, I'll have to teach you a little bit about worldgen. Minecraft was one of the noteworthy reasons I was quiet for so many months, and learning about how to adjust this has been one of the major things I've been learning about.
(the rest under a cut because I am aware Minecraft is VERY out of nowhere as a subject on either of my blogs lol)
Vanilla Minecraft's new worldgen is fantastic, especially with the updates they made in the last few updates. However. It is VERY difficult to code an API for adding your own biomes to this complicated system, if you're just a simple modder or datapacker.
Enter: the Library Mod.
Library mods provide utilities that help modders standardize their projects, so that coders don't need to "re-invent the wheel" every time they want to add something to Minecraft. By using a library, your project will also have better compatibility with other projects, generally reducing how many bugs and crashes people experience.
There are MANY Library Mods that inject biomes into modded Minecraft, and most of them work a bit differently. Unfortunately, to make you an expert, I'd have to understand and teach you about the specific library, but thankfully for this post I don't have to do that.
The two most popular are Terrablender and Blueprint.
They work in a similar way, but I'm still learning Blueprint so I'll speak with more authority on Terrablender.
Terrablender works by dreaming of an alternate world, JUST like your world's seed*, but ONLY with the biomes that are being fed to Terrablender. For the sake of understanding, imagine that NO vanilla biomes are in its library.
(*= a world seed is a game save's unique identifier. For those who don't know a lot about Minecraft, you can actually input a specific "seed" and the terrain and structures will generate the same way each time!)
So if there is a part of your world defined as "COLD" and "SNOWY", Vanilla Minecraft might imagine a Snowy Plains will be in that spot. But Terrablender thinks of what's in its library, and imagines that exact same spot as Ice Cream Plains.
WEIGHT is how often Terrablender will think of a biome in comparison to OTHER biomes in its library. As an example;
Ice Cream Plains has a weight of 10
Powder Snowbanks has a weight of 5
Frosted Fens has a weight of 5
All of these biomes are snowy, and could therefore spawn in a spot that is defined as "snowy"
Imagine these weights are the amount of marbles each biome is tossing into a hat. 5 + 5 + 10 = 20 marbles in the hat. Terrablender can only put 1 biome in a single space, so it reaches into the hat and grabs 1 of those 20 marbles.
10 of those 20 marbles, half of them, are Ice Cream Plains biomes. So there's a 50% chance Ice Cream Plains will be chosen!
So, ok, we understand how Terrablender's weight works. But we haven't talked about how its dreamy alternate world actually APPEARS in our game.
That's where REGIONS come in.
REGIONS are where Terrablender's alternate world is going to be laid OVER the vanilla world. So, if we revisit the snowy place where a biome will be, it COMPLETELY depends on if it is in a TERRABLENDER region or a VANILLA region.
Like this, basically.
So if you set the Weight of Ice Cream Plains to something ridiculously high like 7000, but made Regions much more scarce, it wouldn't matter. Likewise, even if the Weight was only 1 but you have MASSIVE Regions, you will still be buried in non-vanilla biomes.
Blueprint works in a similar way, but has a more sophisticated "slice" system instead of "regions." I am still learning this one, so I don't want to explain it here in case I'm misunderstanding something.
Knowing this, it should be much easier for you to adjust your Nether biomes. Your overworld biomes, too. There's a LOT more to know (multinoise points are WILD), but these are the basics.
