Make certain biomes more rare

[ocean kite]

I have made a datapack that generates small islands not too far apart from each other on a vast ocean using this tool right here https://snowcapped.jacobsjo.eu/, as well as other ones. Now I want to make certain biomes, that are spawning too much, more rare like mushroom fields and all frozen oceans but whenever I try to either make them rarer using the same tool or even completely deleting them from the pool they still generate the same way they did before. Do I need to change something else on my files so that certain biomes are more rare?

[wary hedge]

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[ocean kite]

Also here's the datapack if anyone wants to have a look 🤷‍♂️

[wary hedge]

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Requested by joaquim.

[dense onyx]

If things are reversing or generating the same way as before, you're probably either not copying the result over correctly, or aren't successfully changing what you think you're changing.

Making biomes more rare is as simple as reducing the range they can appear at within one or more parameters, which on Snowcapped, just means having it appear in fewer squares, as well as typically making them appear at the more extreme ends of those parameter ranges, further from 0.

In vanilla, for example, Mushroom Fields biomes appear only where Continentalness is at the extreme negative, which for the way Minecraft terrain is designed, corresponds to where deeper oceans dip back up above sea level to make islands. But not all biomes are made rare this way. Pale Gardens for example appear only in two squares on one layout, that layout then only appears in 2-3 squares on two slices, and those slices only appear in six squares of the dimension as a whole (aka, they appear only in very specific temperature and humidity values, where terrain is very inland and fairly average erosion, where weirdness is relatively high or low, but not extremely high or low)

The other potential cause of your issue is that you're trying to make a biome layout that uses parameters which your noise_settings don't really support. To make biomes conform to terrain, the continentaless, erosion, depth, and weirdness parameters are tied to density functions in the noise_settings that also get referenced by the terrain to help create it. If you have set those to constants and/or not baked them into your terrain correctly, those parameters may not be creating usable noise maps for your biome layout, which is what Snowcapped assumes and uses

[wary hedge]

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[ocean kite]

I'm using the default minecraft noise_settings. The only thing I've changed is the "noise" and the "dimension" (with snowscapped). I've also tried changing some other values on the "noise" folder and I can see stuff changing in the Datapack Map website (https://map.jacobsjo.eu/?mc_version=1_21_1) so I'm still unsure why me changing the biomes with Snowcapped isn't updating

It's either what you mentioned that the noise_settings aren't compatible with the Snowcapped file or I have no clue 😭

[dense onyx]

What are you doing with the output from Snowcapped?

[ocean kite]

Placing the file in my dimension folder and replacing the current overworld.json I have

[dense onyx]

And you're starting a new world to test the changes?

[ocean kite]

I'm using this website to see the changes https://snowcapped.jacobsjo.eu/

[dense onyx]

Yes, I know what snowcapped is

[ocean kite]

Ops wrong website mb

[dense onyx]

But you're testing it in-game, right? Which is what's making you think it's not working

[ocean kite]

https://map.jacobsjo.eu/?mc_version=1_21_1 I'm using this one

and the map is not changing so that's why I'm saying it's not working

[dense onyx]

Why are you not testing it in-game?

[ocean kite]

😭 Lowkey good question

I just thought it was faster to check if the map does change on the website

[dense onyx]

It might be, but it also might be less accurate or reliable

[ocean kite]

Hmm alright I guess I'll put it in the game and check if the biomes do spawn less

[ocean kite]

I just tested in game and it's still spawning a lot 100%