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  1. Minecraft: Java Edition
  2. MC-88847

Upside-down Stairs are messed up.

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Details

    • Bug
    • Status: Resolved
    • Resolution: Fixed
    • Minecraft 15w38a, Minecraft 15w38b, Minecraft 15w39b, Minecraft 15w39c
    • Minecraft 15w40a
    • None
    • Confirmed

    Description

      Stairs will auto align when in placed in a corner so that they look nicer with other stairs placed next to them. At 15w38a the alignment no longer works for stairs that are upside-down. When placing the block attempts to align with other stairs but does so in an incorrect fashion.

      After trying out old saves with corner upside-down stairs, I found that they too look out of place. So, as I understand it; it has to do with the rendering of the blockstate and not due to error in the placement code that chooses the blockstate.

      After further testing. I found that the selection box (the block out line that appears when cursor is pointed at the block) is also behaving funnily. So I tested the collision of the block by firing arrows at it to determine better where the block starts and stops. The rendering/collision is indeed off. Arrows would collide on portions of the block that were rendered as "air" and pass through portions rendered as "block". After trying this out I found out all the upside down stairs now have collision error.

      I found that any upside-down stairs (not just cornered ones) had collision errors.

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              grum [Mojang] Grum (Erik Broes)
              laige Laige
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              Dates

                Created:
                Updated:
                Resolved:
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