[MCPE-15044] Redstone lamps do not turn off immediately when unpowered Created: 07/Jun/16 Updated: 02/Jan/25 |
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| Status: | Reopened |
| Project: | Minecraft (Bedrock codebase) |
| Component/s: | None |
| Affects Version/s: | 1.17.30.22 Beta, 1.17.11 Hotfix, 1.14.25.1 Beta, 1.14.1 Hotfix, 0.15.0 Beta build 1, 0.15.0, 0.15.4, 0.15.6, 0.15.90.7, 0.15.10, 0.15.90.8, 0.16.1, 0.17.0.1, 0.16.2, 1.0.0.0, 1.0.0.1, 1.0.2, 1.0.3, 1.0.4.0, 1.0.4.1, 1.0.4.11, 1.0.5.13, 1.0.6.0, 1.0.5.54, 1.1.0.0, 1.0.7.0, 1.1.0.9, 1.1.0.55, 1.1.1.0, 1.1.3.1, 1.1.3.52, 1.2.9.1, 1.2.10.1, 1.7.0.9 Beta, 1.9.0, 1.12.0, 1.16.101 Hotfix, 1.16.201 Hotfix, 1.16.210, 1.18.31, 1.19.0, 1.20.30, 1.21.51 Hotfix |
| Fix Version/s: | None |
| Type: | Bug | ||
| Reporter: | [MCPE Helper] Dylan K. Taylor | ||
| Resolution: | Unresolved | Votes: | 24 |
| Labels: | redstone, redstone_lamp | ||
| Attachments: |
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| Issue Links: |
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| Confirmation Status: | Confirmed | ||||||||||||||||||||||||||||
| Platform: | Multiple | ||||||||||||||||||||||||||||
| CHK: | |||||||||||||||||||||||||||||
| ADO: | 51530 | ||||||||||||||||||||||||||||
| Description |
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When turning off power to a redstone lamp, there is a delay of a fraction of a second before the lamp actually goes dark. This is most noticeable in clock circuits involving redstone lamps, which no longer work correctly. The attached video demonstrates the issue. The piston in the video demonstrates that the clock circuit is indeed working correctly, however the redstone lamp does not turn off quickly enough to produce the expected flashing effect. I'm also experiencing frequent crashes when I open a world and look at a clock circuit containing a redstone lamp like the one in the video. Edit by SuperGeniusZeb: By using observers, you can clearly see that this behavior is in fact a functional delay, and not just a visual one. Hook up an observer to a redstone wire, and have that wire hooked up to a redstone lamp. Make another observer observe that lamp, and power the wire. Both observers will output a signal simultaneously. Now unpower the wire. Notice how the observer that is observing the redstone wire activates before the observer observing the lamp does. Also, I can't repro the crash mentioned in the original description, so I assume that was a separate bug that has long since been fixed. |
| Comments |
| Comment by [Mod] tryashtar [ 18/May/22 ] |
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Here's a comparison with java edition: https://streamable.com/qnjavb |
| Comment by [Mod] tryashtar [ 21/Aug/21 ] |
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Still an issue |
| Comment by [Mojang] Mega_Spud (Jay Wells) [ 20/Aug/21 ] |
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Thank you for your report! Is this still an issue in the latest version? If so, please add a comment or update the affected version field. To make your bug report as effective as possible, please try and include the following steps to reproduce the problem:
If your ticket does not look like the example given here, then it's likely to be closed as incomplete. This ticket will automatically reopen when you reply. Quick Links: |
| Comment by Douglas F Correa [ 17/Mar/21 ] |
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Affects 1.16.210. Just checked on Java & although it exhibits similar behavior, it is still possible to flicker it with a 2 redstone tick clock. On Bedrock, the fastest clock that flickers the redstone lantern is a 3-RT clock.Β |
| Comment by Douglas F Correa [ 01/Dec/20 ] |
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Same thing with JE. |
| Comment by MaladjustedPlatypus [ 01/Nov/17 ] |
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Affects 1.2.5.15 (1.2.5 Beta Build 3). |
| Comment by Zeb [ 25/Feb/17 ] |
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By using observers, you can clearly see that this behavior is in fact a functional delay, and not just a visual one. Hook up an observer to a redstone wire, and have that wire hooked up to a redstone lamp. Make another observer observe that lamp, and power the wire. Both observers will output a signal simultaneously. Now unpower the wire. Notice how the observer that is observing the redstone wire activates before the observer observing the lamp does. |
| Comment by Zeb [ 10/Oct/16 ] |
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Affects 0.15.10 & 0.15.90.8 (0.16.0 beta build 5). |
| Comment by Zeb [ 16/Sep/16 ] |
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Affects 0.16.0 Beta Build 4 (AKA 0.15.90.7). |
| Comment by Zeb [ 27/Aug/16 ] |
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Confirmed for 0.15.6. (Tested on Windows 10.) |
| Comment by Zeb [ 08/Aug/16 ] |
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Confirmed for 0.15.4. (Tested on Windows 10.) |
| Comment by AMAN4700 [ 08/Aug/16 ] |
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Please respond and add the current version if you can reproduce this issue. |
| Comment by Zeb [ 25/Jun/16 ] |
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Confirmed for 0.15.0. (Tested in Windows 10.) |