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Code Issues Releases Wiki Activity

Move to extension method and throw on non-legacy ruleset

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Dean Herbert 2023-09-15 17:38:34 +09:00
parent 4ecc4632aa
commit 0031da76ff
4 changed files with 44 additions and 27 deletions
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1
osu.Game.Rulesets.Mania/Beatmaps/Patterns/Legacy/DistanceObjectPatternGenerator.cs
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@ -13,6 +13,7 @@ using osu.Game.Beatmaps;
using osu.Game.Beatmaps.ControlPoints;
using osu.Game.Rulesets.Mania.Objects;
using osu.Game.Rulesets.Objects;
using osu.Game.Rulesets.Objects.Legacy;
using osu.Game.Rulesets.Objects.Types;
using osu.Game.Utils;

1
osu.Game.Rulesets.Taiko/Beatmaps/TaikoBeatmapConverter.cs
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@ -14,6 +14,7 @@ using JetBrains.Annotations;
using osu.Game.Audio;
using osu.Game.Beatmaps.ControlPoints;
using osu.Game.Beatmaps.Formats;
using osu.Game.Rulesets.Objects.Legacy;
namespace osu.Game.Rulesets.Taiko.Beatmaps
{

42
osu.Game/Rulesets/Objects/Legacy/LegacyRulesetExtensions.cs Normal file
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@ -0,0 +1,42 @@
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using System;
using osu.Game.Beatmaps.ControlPoints;
using osu.Game.Rulesets.Objects.Types;
namespace osu.Game.Rulesets.Objects.Legacy
{
public static class LegacyRulesetExtensions
{
/// <summary>
/// Introduces floating-point errors to post-multiplied beat length for legacy rulesets that depend on it.
/// You should definitely not use this unless you know exactly what you're doing.
/// </summary>
public static double GetPrecisionAdjustedBeatLength(this IHasSliderVelocity hasSliderVelocity, TimingControlPoint timingControlPoint, string rulesetShortName)
{
double sliderVelocityAsBeatLength = -100 / hasSliderVelocity.SliderVelocityMultiplier;
// Note: In stable, the division occurs on floats, but with compiler optimisations turned on actually seems to occur on doubles via some .NET black magic (possibly inlining?).
double bpmMultiplier;
switch (rulesetShortName)
{
case "taiko":
case "mania":
bpmMultiplier = sliderVelocityAsBeatLength < 0 ? Math.Clamp((float)-sliderVelocityAsBeatLength, 10, 10000) / 100.0 : 1;
break;
case "osu":
case "fruits":
bpmMultiplier = sliderVelocityAsBeatLength < 0 ? Math.Clamp((float)-sliderVelocityAsBeatLength, 10, 1000) / 100.0 : 1;
break;
default:
throw new ArgumentException("Must be a legacy ruleset", nameof(rulesetShortName));
}
return timingControlPoint.BeatLength * bpmMultiplier;
}
}
}

27
osu.Game/Rulesets/Objects/Types/IHasSliderVelocity.cs
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@ -1,9 +1,7 @@
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using System;
using osu.Framework.Bindables;
using osu.Game.Beatmaps.ControlPoints;
namespace osu.Game.Rulesets.Objects.Types
{
@ -18,30 +16,5 @@ namespace osu.Game.Rulesets.Objects.Types
double SliderVelocityMultiplier { get; set; }
BindableNumber<double> SliderVelocityMultiplierBindable { get; }
/// <summary>
/// Introduces floating-point errors to post-multiplied beat length for rulesets that depend on it.
/// </summary>
public double GetPrecisionAdjustedBeatLength(TimingControlPoint timingControlPoint, string rulesetShortName)
{
double sliderVelocityAsBeatLength = -100 / SliderVelocityMultiplier;
// Note: In stable, the division occurs on floats, but with compiler optimisations turned on actually seems to occur on doubles via some .NET black magic (possibly inlining?).
double bpmMultiplier;
switch (rulesetShortName)
{
case "taiko":
case "mania":
bpmMultiplier = sliderVelocityAsBeatLength < 0 ? Math.Clamp((float)-sliderVelocityAsBeatLength, 10, 10000) / 100.0 : 1;
break;
default:
bpmMultiplier = sliderVelocityAsBeatLength < 0 ? Math.Clamp((float)-sliderVelocityAsBeatLength, 10, 1000) / 100.0 : 1;
break;
}
return timingControlPoint.BeatLength * bpmMultiplier;
}
}
}