2020-05-11 13:50:02 +08:00
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// 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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2022-06-28 10:38:58 +08:00
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using System;
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2020-05-11 13:50:02 +08:00
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using osu.Game.Rulesets.Difficulty.Preprocessing;
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using osu.Game.Rulesets.Difficulty.Skills;
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2021-02-06 12:06:16 +08:00
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using osu.Game.Rulesets.Mods;
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2022-06-23 17:10:30 +08:00
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using osu.Game.Rulesets.Taiko.Difficulty.Preprocessing;
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2022-06-28 10:38:58 +08:00
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using osu.Game.Rulesets.Taiko.Difficulty.Evaluators;
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2020-05-11 13:50:02 +08:00
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namespace osu.Game.Rulesets.Taiko.Difficulty.Skills
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{
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2020-08-23 01:34:16 +08:00
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/// <summary>
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/// Calculates the colour coefficient of taiko difficulty.
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/// </summary>
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2021-08-17 06:14:29 +08:00
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public class Colour : StrainDecaySkill
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{
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protected override double SkillMultiplier => 1;
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2020-05-22 19:50:21 +08:00
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protected override double StrainDecayBase => 0.4;
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2022-06-28 10:38:58 +08:00
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/// <summary>
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/// Applies a speed bonus dependent on the time since the last hit.
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/// </summary>
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/// <param name="interval">The interval between the current and previous note hit using the same key.</param>
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private static double speedBonus(double interval)
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{
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return Math.Pow(0.4, interval / 1000);
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}
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2021-02-06 12:06:16 +08:00
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public Colour(Mod[] mods)
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: base(mods)
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{
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}
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2020-08-13 00:35:56 +08:00
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protected override double StrainValueOf(DifficultyHitObject current)
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{
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double difficulty = ColourEvaluator.EvaluateDifficultyOf(current);
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2022-07-01 14:27:23 +08:00
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return difficulty;
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}
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2022-06-25 22:42:56 +08:00
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2022-07-01 14:27:23 +08:00
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// TODO: Remove befor pr
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public string GetDebugString(DifficultyHitObject current)
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{
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double difficulty = ColourEvaluator.EvaluateDifficultyOf(current);
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difficulty *= speedBonus(current.DeltaTime);
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TaikoDifficultyHitObject? taikoCurrent = (TaikoDifficultyHitObject)current;
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TaikoDifficultyHitObjectColour? colour = taikoCurrent?.Colour;
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if (taikoCurrent != null && colour != null)
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{
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ColourEncoding[] payload = colour.Encoding.Payload;
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string payloadDisplay = "";
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for (int i = 0; i < payload.Length; ++i)
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{
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payloadDisplay += $"({payload[i].MonoRunLength}|{payload[i].EncodingRunLength})";
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}
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2022-07-01 14:27:23 +08:00
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return $"{current.StartTime},{difficulty},{CurrentStrain},{colour.RepetitionInterval},{colour.Encoding.RunLength},{payloadDisplay}";
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}
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else
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{
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return $"{current.StartTime},{difficulty},{CurrentStrain},0,0,0";
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}
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2020-08-19 01:44:41 +08:00
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}
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2020-05-11 13:50:02 +08:00
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}
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}
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