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  1. Minecraft: Java Edition
  2. MC-174100

Ladder trapdoor climbing is hardcoded and cannot be influenced using 'climbable' block tag

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    • Icon: Bug Bug
    • Resolution: Invalid
    • None
    • 20w10a
    • None
    • Confirmed
    • (Unassigned)

      The bug

      A trapdoor with a ladder below is considered climbable. This is hardcoded and cannot be influenced using the climbable block tag.

      See also MC-129299

      How to reproduce

      1. Download the attached datapack MC-174100.zip which removes ladders from the list of climbable blocks
      2. Place a trapdoor with a ladder below, both attached on the same side
      3. Open the trapdoor and try to climb it
        You can climb on the trapdoor

      Code analysis

      20w10a, Mojang names

      Ladders are hardcoded in net.minecraft.world.entity.LivingEntity.trapdoorUsableAsLadder(BlockPos, BlockState)

        1. MC-174100.zip
          1 kB

            Unassigned Unassigned
            marcono1234 Marcono1234
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              Created:
              Updated:
              Resolved:
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