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  1. Minecraft: Java Edition
  2. MC-41631

Tall entities (enderman, ghast, large slime/magma cube) don't activate some tripwire from another sub-chunk

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    Details

    • Type: Bug
    • Status: Reopened
    • Resolution: Unresolved
    • Affects Version/s: Minecraft 1.6.4, Minecraft 1.7.2, Minecraft 1.7.3, Minecraft 14w31a, Minecraft 1.8.3, Minecraft 1.11.2, Minecraft 17w13b
    • Fix Version/s: None
    • Environment:

      Windows 7, Java 1.8 update 25,
      Windows XP, Java 1.7 update 45

    • Confirmation Status:
      Confirmed
    • Category:
      (Unassigned)

      Description

      The bug

      When an entity is inside a sub-chunk (which is marked with blue lines when you have F3+G enabled) and it touches tripwire from sub-chunk above, this tripwire won't activate if it is two blocks higher than the border of the sub-chunk (for example a ghast at y=207 (16*13-1) does not trigger tripwire at y=210 (16*13+2)), but triggers tripwire at y=209 and 208.
      Currently affects:

      • Ghast
      • Enderman
      • Slime and Magma Cube with Size:5 or bigger

      Also happens horisontally - in this case only 3 tripwire lines can be activated and it only affects slimes/magma cubes with Size:12 or bigger

      Steps to Reproduce

      1. Create a Superflat world with the preset

      3;207*minecraft:stone;0;

      2. Create a ghast cage (blocks around a 4x4x4 area to trap a spawned ghast) at ground level.
      3. Place a line of tripwire through the top of the inner area.
      4. Spawn a ghast inside.

        Attachments

        1. 2013-12-06_07.13.07.png
          2013-12-06_07.13.07.png
          42 kB
        2. 2015-03-11_23.40.58.png
          2015-03-11_23.40.58.png
          242 kB
        3. 2015-03-13_19.22.55.png
          2015-03-13_19.22.55.png
          173 kB
        4. 2015-03-14_10.30.33.png
          2015-03-14_10.30.33.png
          407 kB
        5. 2015-03-14_10.30.56.png
          2015-03-14_10.30.56.png
          225 kB
        6. 2017-04-02_20.36.25.png
          2017-04-02_20.36.25.png
          261 kB
        7. Ghast + Tripwire.zip
          167 kB
        8. Ghast Tripwire (world).zip
          209 kB
        9. Ghast Tripwire Sieve.zip
          186 kB

          Activity

            People

            • Assignee:
              Unassigned
              Reporter:
              mckenziemc Mark McKenzie
            • Votes:
              4 Vote for this issue
              Watchers:
              7 Start watching this issue

              Dates

              • Created:
                Updated:
                CHK: