Snow layer isn't supposed to appear on packed ice, but occasionally it happens during terrain generation.
Reproduction:
Not really possible to reproduce because it happens during terrain
generation.
I can give a location + seed where it happens (see attached screenshots):
Seed: 4768779715342538054
Coordinates: X -168, Y 72, Z 2317
Versions affected:
The same spot in 1.7.4 does not have packed ice at that location, so I suspect a change in the recent snapshots is causing this. It does seem very rare though, haven't found a second recreatable example of it. I've seen it on 2 other places when recreating this seed, but those spots did not generate a snow layer consistently.
I did not check other snapshots to see where this started occuring, only observed it in 14w04b.
Behavior:
It does seem like the game/terrain updates itself when you try removing the snow layer above any of the packed ice as the snow layers on the other packed ice will be removed as well. This only results in 1 snowball.
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migrated
kumasasa
Confirmed.
Hmm, did not check most of the more recent snapshots, but it seems like it doesn't happen anymore. I checked out the spot a few times in 1.7.5 and 14w10c. I couldn't find it listed among the resolved bugs. So it seems like it was resolved unknowingly?
Should I change it's status into resolved for now?
kumasasa
Still in 10c
confirmed for 14w32a
Should I consider this issue fixed? Snow layers still generates on packed ice in some rare spots, but unlike before clearing one snow layer no longer causes the snow layers on top of adjacent packed ice to pop off. However if generation of snow layers on top of packed ice is not intended, the issue could be left open, though I'd have to update the description. This is in version 1.8.3
15w44b