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64 lines
2.5 KiB
C#
64 lines
2.5 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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using System;
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using Humanizer;
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using osu.Framework.Extensions.LocalisationExtensions;
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using osu.Framework.Localisation;
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namespace osu.Game.Utils
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{
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public static class FormatUtils
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{
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/// <summary>
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/// Turns the provided accuracy into a percentage with 2 decimal places.
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/// </summary>
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/// <param name="accuracy">The accuracy to be formatted.</param>
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/// <returns>formatted accuracy in percentage</returns>
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public static LocalisableString FormatAccuracy(this double accuracy)
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{
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// for the sake of display purposes, we don't want to show a user a "rounded up" percentage to the next whole number.
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// ie. a score which gets 89.99999% shouldn't ever show as 90%.
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// the reasoning for this is that cutoffs for grade increases are at whole numbers and displaying the required
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// percentile with a non-matching grade is confusing.
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accuracy = Math.Floor(accuracy * 10000) / 10000;
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return accuracy.ToLocalisableString("0.00%");
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}
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/// <summary>
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/// Formats the supplied rank/leaderboard position in a consistent, simplified way.
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/// </summary>
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/// <param name="rank">The rank/position to be formatted.</param>
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public static string FormatRank(this int rank) => rank.ToMetric(decimals: rank < 100_000 ? 1 : 0);
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/// <summary>
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/// Finds the number of digits after the decimal.
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/// </summary>
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/// <param name="d">The value to find the number of decimal digits for.</param>
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/// <returns>The number decimal digits.</returns>
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public static int FindPrecision(decimal d)
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{
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int precision = 0;
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while (d != Math.Round(d))
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{
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d *= 10;
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precision++;
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}
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return precision;
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}
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/// <summary>
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/// Applies rounding to the given BPM value.
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/// </summary>
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/// <remarks>
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/// Double-rounding is applied intentionally (see https://github.com/ppy/osu/pull/18345#issue-1243311382 for rationale).
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/// </remarks>
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/// <param name="baseBpm">The base BPM to round.</param>
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/// <param name="rate">Rate adjustment, if applicable.</param>
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public static int RoundBPM(double baseBpm, double rate = 1) => (int)Math.Round(Math.Round(baseBpm) * rate);
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}
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}
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