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MC-169698

Blocks within igloo basements can generate waterlogged when generating in close proximity to water

The Bug:

Blocks within igloo basements can generate waterlogged when generating in close proximity to water.

This issue can most commonly be seen with ladders in igloo basements, but also more rarely occurs with other blocks within the basements as well, such as iron bars.

Here is an example:

Version: 1.19.4

Seed: -2178309719778189280
Coordinates: /execute in minecraft:overworld run tp @s 318147.98 30.00 -1419.00 390.27 -66.60

Steps to Reproduce:

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

  2. Look at the blocks within the igloo closely.

  3. Take note as to whether or not blocks within igloo basements can generate waterlogged when generating in close proximity to water.

Observed Behavior:

Blocks can generate waterlogged.

Expected Behavior:

Blocks would not be able to generate waterlogged.

Linked issues

Attachments

Comments 19

TelepathicGrunt

Still present in 1.16.2 pre-release in seed: 1234567 at /tp 10579 62 2917

This bug has been around for a while but this is the only issue report I can find of it. But anyway, this seems to only happen when structures that generate from nbt files have their blocks replacing water that already exists in the world. The easiest case to find of this is Igloos generating in river biomes. Once one ladder gets waterlogged, the rest gets all waterlogged immediately upon generation which is quite a strange effect that would limit what people can do with customized structures.

It's might also possibly related to the bug where if you save a structure nbt file where you have non-waterlogged stairs surround a water source block, the stairs will become waterlogged when the nbt file is used in structure generation in worldgen (not by structure blocks)  

TelepathicGrunt

Still present in 1.16.2 full release

The provided seed and coordinates no longer work in 21w05b.

Can confirm that this is still an issue in 21w10a. Here's an example of where you can see this, since the current seed + coordinates no longer work.

Seed: 5872367957045336565
Coordinates: /execute in minecraft:overworld run tp @s 2354.80 36.00 -2890.92 290.59 -64.21

Can confirm in 1.17.1.

9 more comments

Kai, that's MC-140270.

Can confirm in 1.19.2.

Version: 1.19.2

Seed: -2178309719778189280
Coordinates: /execute in minecraft:overworld run tp @s 318147.98 30.00 -1419.00 390.27 -66.60

@Dhranios - Based on my understanding of this bug, that specific ticket you mentioned is actually the parent of this one... I believe this one should be closed as a duplicate thereof and the problem should be worked out for all structures, not igloos specifically 🙂 

 

Based on my comments on that ticket (MC-140270)...

 

Here is an example affecting 1.19.3

Seed: -9066070196958847497
Coords: /execute in minecraft:overworld run tp @s -13549.54 60.67 -8508.50 236.25 31.80{*}{*}

Can confirm in 1.20.1.

Can confirm in 24w19b.

Oval

Avoma

kingbdogz

Confirmed

Platform

Low

Structures, World generation

igloo

1.15.1, 1.15.2 Pre-Release 1, 1.15.2 Pre-release 2, 1.16.2 Pre-release 1, 1.16.2, ..., 1.19.4, 23w33a, 24w11a, 24w19b, 24w21b

1.21 Pre-Release 1

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