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Extract common helper for BPM rounding

This commit is contained in:
Bartłomiej Dach 2024-02-22 10:27:37 +01:00
parent 5a448ce02f
commit 81a9908c60
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3 changed files with 16 additions and 5 deletions

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@ -1,7 +1,6 @@
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence. // 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. // See the LICENCE file in the repository root for full licence text.
using System;
using System.Collections.Generic; using System.Collections.Generic;
using System.Linq; using System.Linq;
using System.Threading; using System.Threading;
@ -20,6 +19,7 @@ using osu.Game.Graphics.Sprites;
using osu.Game.Graphics.UserInterface; using osu.Game.Graphics.UserInterface;
using osu.Game.Rulesets; using osu.Game.Rulesets;
using osu.Game.Rulesets.Mods; using osu.Game.Rulesets.Mods;
using osu.Game.Utils;
using osuTK; using osuTK;
namespace osu.Game.Overlays.Mods namespace osu.Game.Overlays.Mods
@ -169,7 +169,7 @@ namespace osu.Game.Overlays.Mods
foreach (var mod in mods.Value.OfType<IApplicableToRate>()) foreach (var mod in mods.Value.OfType<IApplicableToRate>())
rate = mod.ApplyToRate(0, rate); rate = mod.ApplyToRate(0, rate);
bpmDisplay.Current.Value = (int)Math.Round(Math.Round(BeatmapInfo.Value.BPM) * rate); bpmDisplay.Current.Value = FormatUtils.RoundBPM(BeatmapInfo.Value.BPM, rate);
BeatmapDifficulty originalDifficulty = new BeatmapDifficulty(BeatmapInfo.Value.Difficulty); BeatmapDifficulty originalDifficulty = new BeatmapDifficulty(BeatmapInfo.Value.Difficulty);

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@ -31,6 +31,7 @@ using osu.Game.Rulesets.Mods;
using osu.Game.Rulesets.UI; using osu.Game.Rulesets.UI;
using osu.Game.Graphics.Containers; using osu.Game.Graphics.Containers;
using osu.Game.Resources.Localisation.Web; using osu.Game.Resources.Localisation.Web;
using osu.Game.Utils;
namespace osu.Game.Screens.Select namespace osu.Game.Screens.Select
{ {
@ -405,9 +406,9 @@ namespace osu.Game.Screens.Select
foreach (var mod in mods.Value.OfType<IApplicableToRate>()) foreach (var mod in mods.Value.OfType<IApplicableToRate>())
rate = mod.ApplyToRate(0, rate); rate = mod.ApplyToRate(0, rate);
int bpmMax = (int)Math.Round(Math.Round(beatmap.ControlPointInfo.BPMMaximum) * rate); int bpmMax = FormatUtils.RoundBPM(beatmap.ControlPointInfo.BPMMaximum, rate);
int bpmMin = (int)Math.Round(Math.Round(beatmap.ControlPointInfo.BPMMinimum) * rate); int bpmMin = FormatUtils.RoundBPM(beatmap.ControlPointInfo.BPMMinimum, rate);
int mostCommonBPM = (int)Math.Round(Math.Round(60000 / beatmap.GetMostCommonBeatLength()) * rate); int mostCommonBPM = FormatUtils.RoundBPM(60000 / beatmap.GetMostCommonBeatLength(), rate);
string labelText = bpmMin == bpmMax string labelText = bpmMin == bpmMax
? $"{bpmMin}" ? $"{bpmMin}"

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@ -49,5 +49,15 @@ namespace osu.Game.Utils
return precision; return precision;
} }
/// <summary>
/// Applies rounding to the given BPM value.
/// </summary>
/// <remarks>
/// Double-rounding is applied intentionally (see https://github.com/ppy/osu/pull/18345#issue-1243311382 for rationale).
/// </remarks>
/// <param name="baseBpm">The base BPM to round.</param>
/// <param name="rate">Rate adjustment, if applicable.</param>
public static int RoundBPM(double baseBpm, double rate = 1) => (int)Math.Round(Math.Round(baseBpm) * rate);
} }
} }