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  1. Minecraft: Java Edition
  2. MC-63669

Comparator Timing Issue

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    Details

    • Type: Bug
    • Status: Resolved
    • Resolution: Fixed
    • Affects Version/s: Minecraft 1.7.10, Minecraft 1.8.8, Minecraft 1.12.1, 1.14.4
    • Fix Version/s: 1.15 Pre-release 1
    • Labels:
      None
    • Environment:
      Windows 7, Java Version 8 Update 51
    • Confirmation Status:
      Community Consensus

      Description

      A comparator should always have a 1 tick delay no matter what's powering it.

      Comparators that appear to be activated, but actually aren't, will in some cases have a delay of 0.5 ticks. This happens when they are powered by another comparator or a repeater. However, the delay is 1 tick when powered by a block or a redstone.

      To reproduce this bug:
      1. Set a comparator to subtraction mode.
      2. Power rear input.
      3. Power side input with the same signal strength as you used on the rear input.
      4. Turn rear input off.
      5. Turn side input off. The comparator should now look activated while receiving no input.
      6. When this comparator gets powered by a repeater or another comparator, the delay will be 0.5 ticks.

        Attachments

        1. Buggy Timing.png
          Buggy Timing.png
          374 kB
        2. Correct Timing.png
          Correct Timing.png
          517 kB
        3. Example.png
          Example.png
          145 kB

          Activity

            People

            • Assignee:
              slicedlime [Mojang] slicedlime
              Reporter:
              Powsi Tord Aksel Thørring
            • Votes:
              7 Vote for this issue
              Watchers:
              8 Start watching this issue

              Dates

              • Created:
                Updated:
                Resolved:
                CHK: