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IDProjectCategoryView StatusDate SubmittedLast Update
0000839Zandronum[All Projects] Bugpublic2012-05-06 22:432018-09-30 22:57
Reporterunknownna 
Assigned ToTorr Samaho 
PrioritynormalSeverityminorReproducibilitysometimes
StatusclosedResolutionfixed 
PlatformOSOS Version
Product Version1.0-beta 
Target VersionFixed in Version2.0 
Summary0000839: Some players end up skipping a lot online even though cl_ticsperupdate is 1
DescriptionI noticed this a few times, but I didn't report it until now. It appears to me that some players in-game will skip much more than others. It looks like they teleport small distances all the time when moving.

IIRC, this didn't happen in 98d, or perhaps I simply didn't notice it due cl_ticsperupdate not being available back then.
Steps To ReproduceI recorded a short demo of it (120415-2135) during the testing marathon that took place earlier today. You'll need the files below in order to view it. Press your bound "spynext" button two times to spy on Qent. When he's at the skull pillars, he'll lag noticeably. You can also observe this as a demo spectator.
Additional Information'http://sickedwick.net/wads/pkst2_v4.zip [^]'
'http://sickedwick.net/wads/pkst2_v4_hotfix3.zip [^]'
'http://sickedwick.net/wads/skullspree4a.zip [^]'
'http://sickedwick.net/wads/decapst_97b.zip [^]'
'http://tiny.cc/stdata118 [^]'
Attached Files? file icon 2012.05.06_18.53.38_pkst2_v4pk3.pkst2_v4_hotfix3pk3.skullspree4a.decapst_97b.cld [^] (157,094 bytes) 2012-05-06 22:43

- Relationships
related to 0001222closedTorr Samaho Players who jitter due to a bad connection can void collision detection 

-  Notes
User avatar (0003572)
TIHan (reporter)
2012-05-06 22:51

I think I brought this up to Torr at one point, and it looks like ping fluctuations and packet loss will cause this. The question will be is how do we handle it?
User avatar (0003600)
unknownna (updater)
2012-05-08 17:40
edited on: 2012-05-08 17:42

Visually, it looks like you're missing 35% percent of all packets from one player only, so something feels a bit buggy here. And I'm pretty sure that Qent didn't lag locally and/or felt that he lost a lot of packets. My ping is 156 in the demo and Qent's is 126.

I also noticed this as a spectator on a 98e duel server even before this, but I just thought that one of the clients were lagging normally. But IIRC, the other client started to lag after a changemap map change and the client that lagged earlier didn't lag anymore.

User avatar (0003601)
TIHan (reporter)
2012-05-08 20:17

These types of issues have definitely been in ST for a while as far as I'm concerned. I think we should address the issue. Personally I've looked into it, but I haven't figured out the exact cause of the issue. Packet loss has a factor in this, but I don't think that is the prime cause; it seems ping has an affect against it. I do not know why though.
User avatar (0006374)
Watermelon (developer)
2013-06-08 05:06

I have a solution to handle this, but it will require a whole fundamental change to our unlagged.

Therefore I will tackle this after 1.1 is out.
User avatar (0007000)
Watermelon (developer)
2013-08-12 15:55

Torr has taken care of this with an upcoming tic buffer.
User avatar (0012540)
unknownna (updater)
2015-06-06 13:36

I just stumbled upon this old report of mine. I'd say that this is fixed now with the tic buffer indeed.

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- Issue History
Date Modified Username Field Change
2012-05-06 22:43 unknownna New Issue
2012-05-06 22:43 unknownna File Added: 2012.05.06_18.53.38_pkst2_v4pk3.pkst2_v4_hotfix3pk3.skullspree4a.decapst_97b.cld
2012-05-06 22:51 TIHan Note Added: 0003572
2012-05-07 00:56 TIHan Status new => acknowledged
2012-05-08 17:40 unknownna Note Added: 0003600
2012-05-08 17:41 unknownna Note Edited: 0003600 View Revisions
2012-05-08 17:41 unknownna Note Edited: 0003600 View Revisions
2012-05-08 17:42 unknownna Note Edited: 0003600 View Revisions
2012-05-08 20:17 TIHan Note Added: 0003601
2012-06-09 13:22 Torr Samaho Category General => Bug
2013-06-08 05:06 Watermelon Note Added: 0006374
2013-06-08 08:55 Dusk Assigned To => Watermelon
2013-08-12 15:55 Watermelon Note Added: 0007000
2013-08-12 15:55 Watermelon Assigned To Watermelon =>
2013-08-12 15:55 Watermelon Status acknowledged => confirmed
2013-08-12 19:29 Dusk Relationship added related to 0001222
2015-06-06 13:36 unknownna Note Added: 0012540
2015-06-06 13:36 unknownna Assigned To => Torr Samaho
2015-06-06 13:36 unknownna Status confirmed => resolved
2015-06-06 13:36 unknownna Resolution open => fixed
2015-06-06 13:36 unknownna Fixed in Version => 2.0
2018-09-30 22:57 Blzut3 Status resolved => closed






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