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  1. Minecraft: Java Edition
  2. MC-92630

Logs and leaves from 2 × 2 spruce trees do not cause block updates


    • Icon: Bug Bug
    • Resolution: Duplicate
    • None
    • Minecraft 1.8.8, Minecraft 15w46a, Minecraft 1.10.2, Minecraft 16w36a, Minecraft 16w43a, Minecraft 1.11.2, Minecraft 1.12, Minecraft 1.13.1, Minecraft 1.13.2, Minecraft 18w43c, Minecraft 18w45a, Minecraft 18w46a, Minecraft 19w12b, Minecraft 19w13b, Minecraft 19w14a, Minecraft 19w14b, Minecraft 1.14, Minecraft 1.14.1 Pre-Release 1
    • Confirmed
    • (Unassigned)

      The bug

      After growing into a 2 × 2 spruce tree, the generated leaves and logs don't interact with redstone components or update surrounding blocks.

      This behaviour is exclusive to 2 × 2 spruce trees. Every type of 1 × 1 tree and 2 × 2 jungle and dark oak trees are updated correctly.

      Note: This cannot be tested with observers because they are not only activated by block updates and therefor recognize this changed.

      Code analysis

      Based on 1.11.2 decompiled using MCP 9.35 rc1

      The method net.minecraft.block.BlockSapling.generateTree(World, BlockPos, IBlockState, Random) calls the constructor of the large spruce tree generator with false as value for notify.

            Unassigned Unassigned
            ilmango ilmango
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