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Bug
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Resolution: Unresolved
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None
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Minecraft 1.12, Minecraft 1.12.1 Pre-Release 1, Minecraft 1.12.1, Minecraft 1.13-pre7, Minecraft 1.13, Minecraft 18w31a, Minecraft 18w32a, 1.14.4, 19w40a, 19w46b, 1.15.2, 20w20b, 1.16 Pre-release 2, 1.16.2, 1.16.3, 1.16.4, 20w45a, 20w51a, 21w03a, 21w05b, 21w06a, 21w07a, 21w14a, 21w15a, 1.17 Release Candidate 1, 1.17.1, 21w37a, 21w38a, 21w39a, 21w41a, 21w42a, 1.18 Release Candidate 1, 1.18.1, 1.18.2, 22w11a, 22w13a, 22w14a, 22w17a, 22w19a, 1.19, 1.19.1 Pre-release 2, 1.19.2, 1.19.3, 1.19.4, 1.20 Release Candidate 1, 1.20, 1.20.1, 23w31a, 23w33a, 1.20.2 Pre-release 2, 23w44a, 24w12a
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None
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Confirmed
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World generation
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Low
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Platform
The Bug
When terrain is being generated, sometimes snow will generate under trees instead of on top of them.
This happens because the snow is placed first in an 8x8 section of a chunk. When the rest of the chunk is decorated, a tree can generate in another 8x8 section that projects into the previously-decorated 8x8 section. Result: snow is placed under the portion of the tree that projects over the older section and not on top of it. The borders of the misplaced snow are always aligned with the middle of the chunk.
A similar effect can be seen in ice spikes biomes. Some patches of compressed ice are generated flush with the ground. Sometimes these generate partially covered in snow even though compressed ice is usually snow-free.
A suggested fix: add a sanity check for snow cover in newly-generated chunks, and adjust it as needed. (Move it to the tops of newly-generated trees, or remove it from newly-generated ice spikes.)
Steps to Reproduce
- Locate and enter a biome that generates both snow and trees, for example, a "snowy_taiga".
- Fly over the trees within this biome and take note as to whether or not if snow is sometimes able to generate below trees.
Observed Behavior
Snow sometimes generates below trees instead of on top of them.
Expected Behavior
Snow would always generate on top of trees instead of below them.
- is duplicated by
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MC-120242 Snow sometimes only covers half of trees in snowy forest biomes
- Resolved
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MC-133795 Chunks aren't being decorated properly
- Resolved
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MC-199691 Snow layers generate incorrectly when a tree overlaps chunk(s) on snowy biomes
- Resolved
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MC-204612 Snow layers on trees are not generated properly sometimes
- Resolved
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MC-237557 Snow generation error on tree
- Resolved
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MC-242854 Chunk boundaries sometimes prevent trees from generating with snow.
- Resolved
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MC-264678 Snow and ice not generating properly.
- Resolved
- relates to
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MC-133795 Chunks aren't being decorated properly
- Resolved