mojira.dev
MC-305146

Light-emitting blocks cause inconsistent lighting on snow

Open
1

Placing any Light-emitting blocks next to snow creates strange patterns and seams.

'Nuff said.

Attachments

1.png 2.png 3.png image-20251220-052051.png image-20251221-211709.png image-20251221-212251.png

Comments 5

image-20251220-052051.png

Similar patterns also appear within 1.21.11 (comparison with 26.1 Snapshot 1).

I should specify that this bug affects layered snow. Not blocks.

image-20251221-211709.png

The artifacts seem to be more prominent with layered snow. Screenshot created on a superflat world with the preset minecraft:bedrock,2*minecraft:snow_block,minecraft:snow;minecraft:plains and at -18000 time, with gamerule advance_time set to false. The three snow blocks had layered snow on top of them too, but that may not be necessary to recreate the patterns shown

image-20251221-212251.png

All visual settings remain untouched except for FOV being set to 90 and FPS uncapped.

The behavior of the lighting with layered snow counting as a block after going from 7 to 8 layers is inconsistent, with the lighting of adjacent blocks (note the brightness levels) being updated only after the layered snow can be considered a full block at 8 layers.

Quake Ranger

(Unassigned)

Confirmed

Platform

Important

Lighting

26.1 Snapshot 1

Retrieved