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[confirmed] Some Taiko drumrolls have one tick less than they should

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24
Mismagius
9,267 posts
Joined July 2008
Topic Starter
Mismagius
Explain the issue you are having:

Taiko Drumrolls (sliders) have one tick less than they should.
unsnapping
having it perfectly snapped

It requires mappers to unsnap the slider-ends to fix it (via .osu editing)
Rare case tho, since it almost never happens that people place a circle 1/4 after a drumroll.

Probably related to the milliseconds between sliderend and next hitcircle, because if you place a hitcircle 1/2 after a sliderend on a 250+bpm song, you also experience this issue.

Is it reproducible? If so, explain the steps to do so:

1. Open a Taiko-specific mapset
2. Place a slider
3. Place a circle 1/4 after the slider end (even 1/2 after sliderend, if map has above 250bpm)
4. SLIDER BROKEN

Include any relevant video or screenshots, and hardware information for hard crashes or lag issues:

See above.
Last edited by MillhioreF , edited 3 times in total.
Armin
osu! Alumni
2,454 posts
Joined May 2009
Armin
^ supporting blue dragon's problem, it needs to be confirmed by someone else too.
mancuso_JM_
osu! Alumni
4,615 posts
Joined October 2010
mancuso_JM_
yes, that's true and it's not the first map with this kind of problems
Supporting and Confirming!
MMzz
Elite Mapper
3,979 posts
Joined June 2009
MMzz
Yeah I've seen it happen a few times. I don't really think the unsnapping is necessary though. As a taiko player I didn't even notice the amount of slider ticks are on that slider in your mapset. (Nor do I really ever pay attention to the ticks in sliders unless i'm modding.) I think it's better to just wait for it to be fixed instead of unsnapping something.
Last edited by MMzz , edited 1 time in total.
MillhioreF
Pro Tester
5,004 posts
Joined July 2011
MillhioreF
possibly related: if a drumroll doesn't start on a white line, auto sometimes won't hit the start of it and it'll get 1 less hit on it than it's supposed to (I don't know the exact conditions)
[Luanny]
8,248 posts
Joined April 2011
[Luanny]
On previous versions of the map, sliders on taiko diff was kicksliders. When I noticed the bug, I changed it all to straight sliders and some got automatically fixed

I tried to change its form using curves or whatever, nothing seems to work
Loctav
Popcorn Fairy
4,496 posts
Joined February 2009
Loctav
Contributing to this thread after various tests:

The slider length self is not the issue, neither is the SV. It actually depends on the gap between slider end and next hitobject

It depends on the upcoming hitcircle. If the next hitobject is closer than 1/2 to the slider end in this case, it causes the bug. And because this 1/2 thing doesnt apply on every map, it's probably connected to the Milliseconds between slider end and next hitobject. (because Forgotten has 250bpm).

I was able to replicate this bug by putting a hitcircle 1/2 after sliderend on all maps that have at least 250bpm (Forgotten, dstrukt, various t+pazolite stuff)

Confirming this for now.
Kawayi Rika
osu! Alumni
3,635 posts
Joined December 2010
Kawayi Rika
Happend to this map again ~

So i wonder ~
MMzz
Elite Mapper
3,979 posts
Joined June 2009
MMzz
I think it happens on all BPMs loctav. http://osu.ppy.sh/s/42836 >136

EDIT: Lol me and rika linked the same map.
[Luanny]
8,248 posts
Joined April 2011
[Luanny]
Just adding:

Tried to place notes 1/4 after a slider on 200bpm

SPOILER

it bugs.
Kuro
836 posts
Joined July 2012
Kuro
I don't know if this is probably related but i'm having a similar problem with one of my beatmaps.
SPOILER
I'm assuming that the slider tick not on the slider is the missing one however even if you tried to hit it it'll say you missed it..
Last edited by Kuro , edited 1 time in total.
TheVileOne
osu! Alumni
8,431 posts
Joined March 2010
TheVileOne
Wont fixing this basically mean that all maps with this problem in them will be worth more points?
[Luanny]
8,248 posts
Joined April 2011
[Luanny]
or less
aabc271
osu! Alumni
1,334 posts
Joined August 2009
aabc271

MMzz wrote:

I think it happens on all BPMs loctav. http://osu.ppy.sh/s/42836 >136

EDIT: Lol me and rika linked the same map.

I think it's better to just wait for it to be fixed instead of unsnapping something.
As the mapper of that taiko diff, I really wonder if this will be fixed soon
I talked to some mats & bats before, and they seemed to agree using unsnapped sliders before this is fixed
And I guess doing so can prevent the problem below ( But not the ranked ones with snapped sliders ) ?

TheVileOne wrote:

Wont fixing this basically mean that all maps with this problem in them will be worth more points?
I guess that's at least true for older maps. Score resets are possible, but players will probably be unhappy about that ? Or should we just leave it as it is ?

Edit :

[Luanny PhNyx] wrote:

or less
The score won't be less, as the bugged sliders have 1 hit fewer ?
[Luanny]
8,248 posts
Joined April 2011
[Luanny]
In the case of Forgotten, it had 1 tick missing so it gives less points
aabc271
osu! Alumni
1,334 posts
Joined August 2009
aabc271

[Luanny PhNyx] wrote:

In the case of Forgotten, it had 1 tick missing so it gives less points
Then when the bug is fixed, it should have 1 more tick, thus giving more points ?
Kuro
836 posts
Joined July 2012
Kuro

aabc271 wrote:

[Luanny PhNyx] wrote:

In the case of Forgotten, it had 1 tick missing so it gives less points
Then when the bug is fixed, it should have 1 more tick, thus giving more points ?
But then when it's fixed doesn't that mean other players will have an unfair advantage because they'll be able to get more points? I've got a song that has a few notes missing in it however when you look at the top 40 there are other players with a higher combo streak after a certain date so i'll never make the top 10 on that song.
Although the possibility of a score reset will _off a lot of players..
aabc271
osu! Alumni
1,334 posts
Joined August 2009
aabc271

Kuro wrote:

But then when it's fixed doesn't that mean other players will have an unfair advantage because they'll be able to get more points? I've got a song that has a few notes missing in it however when you look at the top 40 there are other players with a higher combo streak after a certain date so i'll never make the top 10 on that song.
Although the possibility of a score reset will _off a lot of players..
The fix of 1-tick-less-sliders will of course create unfair advantage, but I guess this is kind of unavoidable because the fact is that they can have one more hit ? Need more suggestions from others

And the problem with different total combo seems to be unrelated with 1-tick-less-sliders. It could be another issue. ( I guess you mean sth like this )

And yes, score reset will _off a lot of players for sure :<
MillhioreF
Pro Tester
5,004 posts
Joined July 2011
MillhioreF
This no longer happens in any maps I tested. Can someone link an example, or is this fixed?
Loctav
Popcorn Fairy
4,496 posts
Joined February 2009
Loctav
Still does happen. Let me provide an example .osz for you - http://puu.sh/3RqdE.osz

Please refer to p/1799245 for replicating. It's easy to replicate.
Let me edit the OP according to the new Tech Support Thread Format
Bara-
11,978 posts
Joined April 2013
Bara-
Still happens
I got told to extend the slider by 1/16 to fix it, but I'm not sure if that causes rankability issues
Happens in all 6 Taiko diffs of this map
Raiden
osu! Alumni
2,419 posts
Joined January 2013
Raiden
It doesn't. I had one map disqualified because of missing slider ticks, and extended them by 1/16. Now they are completely fine.
Bara-
11,978 posts
Joined April 2013
Bara-
I really don't think this is low priority, as it hinders ranking process and can cause DQs
BanchoBot
w00t p00t
34,832 posts
Here since the beginning
BanchoBot
Issue(s) in this thread have been addressed by the following changes:
  1. Fix SccoreV2 Taiko missing slider tick at end of sliders when the next object is 1/4 snapped to it. (smoogipooo)
The changes will be applied to builds newer than b20170129cuttingedge.

Please follow up in this thread if you believe more work needs to be done to fix the mentioned issues. If they have not yet been resolved, please provide any new details that may have arisen after this build.
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