Minecraft Data Packs / World Generation

Rainbeau's Realistic Caves

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Rainbeau_Flambe's Avatar Rainbeau_Flambe
Level 58 : Grandmaster Terraformer
Rainbeau's Realistic Caves

Caves that are Actually Caves Instead of Gaping Hellmouths

(A Data Pack for Minecraft 1.19, 1.19.1 & 1.19.2)

OK, sure, I like the new cave biomes. But... 1.19's cave *generation*? Not a fan. I've grown very tired of finding huge holes in the landscape. And the fact that some of those holes open into cave systems so absurdly large that I can literally see from the world's surface all the way down to deepslate is beyond ridiculous.

This data pack is my attempt to fix that problem. It removes (or at least makes very rare) the overly-large cave entrances and cathedral-sized chambers you so often find in vanilla 1.19 worlds. You'll still find lush caves, and dripstone caves, and deep dark caves, but the cave systems they're a part of will be smaller than in vanilla 1.19. You won't likely come across any caverns 100 blocks across and 50 blocks high. You won't find yourself inside anything that looks like an entire mountain has been hollowed out. And cave entrances at the world's surface will look more like actual cave entrances and less like giant maws.

To be clear, this pack does not add anything. Nor does it alter how caves actually look. The caves you come across will look exactly like the small or medium caves that you'd find in a vanilla world. But you won't find huge caverns, or at least will come across them much less often.

COMPATIBILITY: This data pack ought to be compatible with pretty much any world generation data pack you care to use, unless that pack itself makes significant changes to cave generation. I can say with certainty that it is compatible with both "Terralith" and "William Wythers' Overhauled Overworld," though if you're using it with "Terralith," you'll want to make sure that this pack loads after that one.

-- Rainbeau Flambe (Darryl Burgdorf)
CompatibilityMinecraft 1.18
toMinecraft 1.19

2 Update Logs

Update #2 : by Rainbeau_Flambe 08/24/2022 8:28:01 pmAug 24th, 2022

Revised for amplified and large biomes worlds, as well as the basic overworld

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12/05/2023 7:46 pm
Level 1 : New System
BR43D3NM4N's Avatar
I love the data pack, it gets rid of the gaping holes in the world. However, it does make some above ground terrain features like hills either flat and blocky or extremely jagged and out of place (I am not using this pack with data packs). Is there any way you could fix this problem please? Preferably across all versions?
Thank you!
08/30/2023 11:32 pm
Level 4 : Apprentice Explorer
Xorjt's Avatar
For anyone visiting for an update for 1.20, I found a super easy fix to get this working.

In the zip, open "pack.mcmeta" and change the version from 10, to 15. That's it.
07/01/2023 11:08 pm
Level 4 : Apprentice Explorer
Xorjt's Avatar
Any chance this will be updated to 1.20+?
06/21/2023 4:34 pm
Level 1 : New Miner
KremaliYumurta35's Avatar
You are awesome dude this is what I am searching for a long time!! Thank you so much!!!
04/30/2023 8:00 pm
Level 1 : New Explorer
Vico's Avatar
Oh thank you SO MUCH for this datapack! I was searching (and even trying myself) for something like this, to remove such high porosity of the overworld that i, being a city builder, don't like.

If I may, can i do some questions and suggestions?

First, could you post this (and your other) datapacks on Modrinth? I'm a newbie in this website, and didnt find myself yet here, meanwhile Modrinth have a more simplistic UI and notifiies when mod/pack updates are posted.

Also, could you do a datapack to smooth the overworld terrain, at least for non-mountains/hills biomes?
12/05/2023 7:47 pm
Level 1 : New System
BR43D3NM4N's Avatar
I'm having the same problem with the terrain not being smooth. Hopefully it will be fixed in the future.
10/24/2022 10:30 pmhistory
Level 1 : New Crafter
Serentropic's Avatar
Love this! I've been rolling WWOO worlds for a couple weeks and they're beautiful, but the big caves always feel like a scar on the otherwise natural looking landscape. This goes a really long way to reducing the swiss cheese effect.

I'll echo some other comments mentioning that a similar pack to reduce/remove noise caves and ravines would be tremendous (wouldn't mind removing mineshafts either, lol). Maybe 1% of current generation? I don't hate caves, it's just that they're so common they feel more like a burden than a feature most of the time.

In any case, I really appreciate having this!
10/18/2022 1:42 am
Level 49 : Master Explorer
Eugene2000's Avatar
Marvelous work! It works so perfectly!

Yet I have to say that I have the same wish with Shinseiryu78 too, I wish to make the caves generate less, so I can seek and encounter with them amusingly, rather than seeing them ruining everything on the surface.

And I’ve been learning about datapacks, I figured it out how to reduce the carver caves, and before 1.18.2 it’s easy to shut down The whole generation of noise caves, but after 1.18.2… I swear I’ve tried everything, but I couldn’t make it!

Would you make a datapack to reduce those noise caves? I can endure some huge holes, but I can’t accept them messing all the ground!
09/17/2022 7:57 am
Level 1 : New Miner
shinseiryu78's Avatar
Hi good data pack. but I wish there were a lot less caves and ravines, is that something that is possible with datapacks?
09/17/2022 8:48 am
Level 58 : Grandmaster Terraformer
Rainbeau_Flambe's Avatar
The short answer is, yes. What you're looking for could absolutely be done with a data pack.

My primary goal with "Realistic Caves" was to try to eliminate the huge holes in terrain and the mountain-sized caverns that appear in "Caves & Cliffs" worlds that weren't seen in 1.16 world generation. So that was what I focused on. I didn't really mess with how *frequently* caves generate, nor did I make any alterations to ravines.

But a data pack could indeed do those things. In fact, if you really wanted to, you could create a data pack that effectively removed caves and ravines completely, leaving a mostly solid underworld.

Data packs, obviously, don't allow as much flexibility as actual mods do, but their capabilities have been expanded a lot since their original introduction. :)
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