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Bartłomiej Dach
e7225399a2
RFC. This closes https://github.com/ppy/osu/issues/31186. To explain why: The issue occurs on https://osu.ppy.sh/beatmapsets/594828#osu/1258033, specifically on the slider at time 128604. The failure site is https://github.com/ppy/osu/blob/fa0d2f4af22fb9319e2a8773bf635368d86360be/osu.Game.Rulesets.Osu/Edit/Blueprints/Sliders/SliderCircleOverlay.cs#L65-L66 wherein `LastRepeat` is `null`, even though the slider's `RepeatCount` is 1 and thus `SpanCount` is 2. In this case, `SliderEventGenerator` is given a non-zero `tickDistance` but a zero `length`. The former is clamped to the latter: https://github.com/ppy/osu/blob/fa0d2f4af22fb9319e2a8773bf635368d86360be/osu.Game/Rulesets/Objects/SliderEventGenerator.cs#L34 Because of this, a whole block of code pertaining to tick generation gets turned off, because of zero tick spacing - however, that block also includes within it *repeat* generation, for seemingly very little reason whatsoever: https://github.com/ppy/osu/blob/fa0d2f4af22fb9319e2a8773bf635368d86360be/osu.Game/Rulesets/Objects/SliderEventGenerator.cs#L47-L77 While a zero tick distance would indeed cause `generateTicks()` to loop forever, it should have absolutely no effect on repeats. While this *is* ultimately an aspire-tier bug caused by people pushing things to limits, I do believe that in this case a fix is warranted because of how hard the current behaviour violates invariants. I do not like the possibility of having a slider with multiple spans and no repeats.
e7225399a2
·
2024-12-27 12:38:31 +01:00
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