Minecraft Data Packs / World Generation

Caveworld: Custom Cave Overworld Generation with Biomes! (1.20.2)

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JABrules's Avatar JABrules
Level 33 : Artisan Princess
11
(In case you didn't figure it out, this is for new worlds only - DO NOT ADD THIS TO AN EXISTING WORLD!!!)

Ever tried playing vanilla Minecraft's "Cave World" world type? ...It kinda sucks, right? This datapack replaces the overworld with a custom-made cave world that generates a lot more like regular overworld caves! It even features a bunch of simple custom biomes to add a little variety to the world!

The new cave world is 256 blocks tall, and split into three layers: the bottom layer spans from y-64 to 0, the main layer spans from y0 to 128, and the top layer spans from y128 to y192. The layers are usually separated by a few layers of stone, but you will occasionally find holes in them. Each layer has its own biome generation, so you won't usually have the same biome in all 3 layers in one spot. Some biomes can spawn on multiple layers (eg. the scorched caves can be found in the main and upper layers), but some biomes only spawn on one layer, so you'll need to explore them all if you want to find every biome!

This datapack also includes some loot table changes and custom recipes to improve the overall experience and make as many items obtainable as possible. Zombies now drop sticks as well as their regular drops, and 9 sticks can be crafted into one wooden plank, allowing you to obtain wood if you haven't found a biome with wood yet. The junk and treasure pools for fishing now have some biome dependent items, such as different saplings, sniffer eggs, or even the occasional armour trim!

Additionally, this datapack comes with a small feature that should help with exploring - Spectral arrows now create a light block where they land! You can use them to light up dark areas ahead of you, or save yourself the trouble of towering up all the time to light up cave walls! You can craft glow berries into glowstone dust in this datapack, so if you want to mess around with spectral arrows, try exploring the upper layer to find the lush caves.

Currently, the only vanilla structures that spawn are mineshafts, ancient cities, strongholds and witch huts, however I will try to add more structures in the future. There's also one brand new structure that spawns as well, complete with a very useful custom item! See if you can find it!

The nether is currently unchanged, and I don't think I will be changing it anytime soon.

I do plan to work on this datapack more, so if you have any feedback, please feel free to share!
CompatibilityMinecraft 1.20
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3 Update Logs

v1.3 : by JABrules 09/22/2023 11:01:20 amSep 22nd, 2023

v1.3:
  • Added in a new biome, the Marshland Caves. This biome is covered in mud with a packed mud ceiling. Patches of moss will generate frequently, with bamboo growing on top. Shallow pools of water will sometimes generate, and mangrove trees will occasionally appear. This biome generates on the middle and bottom layers.
  • Added in a new biome, the Thermal Caves. This biome is covered in blackstone, with lava deltas generating on the floor, similar to the Basalt Deltas biome in the Nether. Lava can also generate flowing down from the ceiling. Magma Cubes frequently spawn here, along with the occasional Blaze.
  • Diamond ore can now generate in the Frozen Caves and Frosted Caves at any Y level, though they only generate buried. Take a peek through the giant ice blobs, and you just might find some!
  • Emerald ore now generates in the top layer of all biomes.
  • Sugar cane can now occasionally generate in the Spring Caves.
  • Peaceful mobs will now despawn after 20 minutes of existing in the world. This change was made to prevent peaceful mobs spawning in your spawn chunks and clogging up the very limited peaceful mob cap. If a player enters a 6-block radius with a peaceful mob, that mob will be tagged and will no longer despawn. (Note that this change will NOT apply retroactively; if you're upgrading from an older world, currently existing peaceful mobs will not despawn.)
  • Villagers and Zombie Villagers will now use biome variants depending on the biome they spawn in.
  • Updated diamond ore generation to match the increased frequency in 1.20.2.
  • Light blocks created by spectral arrows will now emit particle effects.
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1
02/22/2024 6:00 pm
Level 15 : Journeyman Crafter
arthaiser
arthaiser's Avatar
here again just to say again that this is really a cool game type, i havent been able to play a lot, but i came back to the world i started and im establishing myself this time, the start is rough, but is very rewarding when you eventually have claimed a zone and can retreat back to it. looking forward to the 1.21 version of it, since i actually started playing again when they announced the crafter but now seems like is the time is really going to be added and i cant wait to play with it in the caves



thanks again for your work
1
02/26/2024 10:06 am
Level 33 : Artisan Princess
JABrules
JABrules's Avatar
Nice to hear you're still having fun with it! I'm currently doing a survival playthrough with the new 1.21 version I'm working on, and it's been pretty fun so far. I'll probably release the update to the pack once 1.20.5 drops. Just as a heads up though, the pack will require the 1.21 experiments going forward, so if your world doesn't have them enabled you might be forced to make a new one (I think. I haven't looked into it much honestly.)
1
02/18/2024 7:55 am
Level 1 : New Miner
fri0980m
fri0980m's Avatar
THIS IS AMAZING!!! KEEP UP THE GOOD WORK!!!
1
02/04/2024 12:07 pm
Level 41 : Master Wolf
ItzOrangey
ItzOrangey's Avatar
Just to let you know 9minecraft reuploaded this on you: (Link removed)
1
01/11/2024 5:30 am
Level 1 : New Miner
BoullouD
BoullouD's Avatar
Where i can find cocoa beans?
1
01/11/2024 11:07 am
Level 33 : Artisan Princess
JABrules
JABrules's Avatar
If you're lucky you might find them on a jungle tree in the Hot Spring Caves, but otherwise they're currently unobtainable (i forgor lol). I'll add them to the hot spring caves fishing loot table next update
1
01/11/2024 11:13 am
Level 1 : New Miner
BoullouD
BoullouD's Avatar
yeah i try to fishing to catch) cocoa beans can spawn on trees if I grow them myself?
1
01/12/2024 10:27 am
Level 33 : Artisan Princess
JABrules
JABrules's Avatar
Unfortunately they only grow on naturally generated jungle trees.
1
12/05/2023 9:54 pm
Level 15 : Journeyman Button Pusher
Jerhom
Jerhom's Avatar
Stuffing this into my 1.20.1 world and praying to god nothing bad happens
1
12/05/2023 9:55 pm
Level 15 : Journeyman Button Pusher
Jerhom
Jerhom's Avatar
Fr though, hopefully mojang doesnt update the pack version in 1.21 so i can use this then, thank you for the hard work
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