mojira.dev
MC-238153

Caves and aquifers can generate with harshly flat ceilings

The Bug:

Caves and aquifers can generate with harshly flat ceilings.

Here is an example:

Version: 1.19.3

Seed: 1428380131082779128
Coordinates: /execute in minecraft:overworld run tp @s 47836.75 14.08 61752.81 -120.45 -7.50

Steps to Reproduce:

  1. Generate a world with the seed provided above and teleport to the given coordinates.

  2. Look closely at the ceiling of the cave/aquifer.

  3. Take note as to whether or not caves and aquifers can generate with harshly flat ceilings.

Observed Behavior:

Caves and aquifers can generate with harshly flat ceilings.

Expected Behavior:

Caves and aquifers would not be able to generate with harshly flat ceilings.

Linked issues

Attachments

Comments 10

Can confirm in 1.18 Pre-release 7.

Can confirm in 1.18 Pre-release 8.

@unknown because you're the reporter of this issue, you can update the affected versions yourself! Just click the Edit button in the top left corner of the report, and you should be able to enter versions in the Affected Version/s section. 🙂

Can confirm in 1.18.

Can confirm in 1.18.1 Release Candidate 1.

Can confirm in 1.18.1.

[media]

Version: 1.18.1

Seed: -2853169021812492922
Coordinates: /execute in minecraft:overworld run tp @s -69.97 28.66 1066.62 296.42 -11.33

Can confirm in 22w07a.

[media]

Version: 22w07a

Seed: -4000625268435938923
Coordinates: /execute in minecraft:overworld run tp @s 152 27 -987 -568 -15

Can confirm in 1.19.

Version: 1.19

Seed: 3032665062407875672
Coordinates: /execute in minecraft:overworld run tp @s 237.50 28.51 -1866.70 1134.89 -9.57

Confirmed in 1.20.1 using the same seed from the report

PTRN23

(Unassigned)

Confirmed

Gameplay

Normal

World generation

21w38a, 21w39a, 21w40a, 21w43a, 21w44a, ..., 1.19, 1.19.3, 1.20.1, 1.21.1, 24w36a

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