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Code Issues Releases Wiki Activity

Simplify FindSnap method

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This commit is contained in:
Justus Franklin Tumacder 2021-04-25 06:38:15 +08:00
parent bedabc1ddf
commit eaac4fe6c7
1 changed files with 9 additions and 40 deletions
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49
osu.Game.Rulesets.Mania/Utils/SnapFinder.cs
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@ -18,51 +18,20 @@ namespace osu.Game.Rulesets.Mania.Utils
this.beatmap = beatmap;
}
private readonly static int[] snaps = { 1, 2, 3, 4, 6, 8, 12, 16 };
public int FindSnap(HitObject hitObject)
{
TimingControlPoint currentTimingPoint = beatmap.ControlPointInfo.TimingPointAt(hitObject.StartTime);
double startTime = currentTimingPoint.Time;
double secondsPerFourCounts = currentTimingPoint.BeatLength * 4;
double snapResult = (hitObject.StartTime - currentTimingPoint.Time) % (currentTimingPoint.BeatLength * 4);
double offset = startTime % secondsPerFourCounts;
double snapResult = hitObject.StartTime % secondsPerFourCounts - offset;
foreach (var snap in snaps)
{
if (almostDivisibleBy(snapResult, currentTimingPoint.BeatLength / (double)snap))
return snap;
}
if (almostDivisibleBy(snapResult, secondsPerFourCounts / 4.0))
{
return 1;
}
else if (almostDivisibleBy(snapResult, secondsPerFourCounts / 8.0))
{
return 2;
}
else if (almostDivisibleBy(snapResult, secondsPerFourCounts / 12.0))
{
return 3;
}
else if (almostDivisibleBy(snapResult, secondsPerFourCounts / 16.0))
{
return 4;
}
else if (almostDivisibleBy(snapResult, secondsPerFourCounts / 24.0))
{
return 6;
}
else if (almostDivisibleBy(snapResult, secondsPerFourCounts / 32.0))
{
return 8;
}
else if (almostDivisibleBy(snapResult, secondsPerFourCounts / 48.0))
{
return 12;
}
else if (almostDivisibleBy(snapResult, secondsPerFourCounts / 64.0))
{
return 16;
}
else
{
return 0;
}
return 0;
}
private const double leniency_ms = 1.0;