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osu-lazer/osu.Game.Rulesets.Mania/Scoring/ManiaScoreProcessor.cs

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// 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.
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using System;
using System.Collections.Generic;
using System.Linq;
using osu.Game.Beatmaps;
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using osu.Game.Rulesets.Judgements;
using osu.Game.Rulesets.Mania.Objects;
using osu.Game.Rulesets.Objects;
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using osu.Game.Rulesets.Scoring;
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namespace osu.Game.Rulesets.Mania.Scoring
{
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public partial class ManiaScoreProcessor : ScoreProcessor
{
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private const double combo_base = 4;
public ManiaScoreProcessor()
: base(new ManiaRuleset())
{
}
protected override IEnumerable<HitObject> EnumerateHitObjects(IBeatmap beatmap)
=> base.EnumerateHitObjects(beatmap).Order(JudgementOrderComparer.DEFAULT);
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protected override double ComputeTotalScore(double comboProgress, double accuracyProgress, double bonusPortion)
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{
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return 150000 * comboProgress
+ 850000 * Math.Pow(Accuracy.Value, 2 + 2 * Accuracy.Value) * accuracyProgress
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+ bonusPortion;
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}
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protected override double GetComboScoreChange(JudgementResult result)
{
return getBaseComboScoreForResult(result.Type) * Math.Min(Math.Max(0.5, Math.Log(result.ComboAfterJudgement, combo_base)), Math.Log(400, combo_base));
}
public override int GetBaseScoreForResult(HitResult result)
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{
switch (result)
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{
case HitResult.Perfect:
return 305;
}
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return base.GetBaseScoreForResult(result);
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}
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private int getBaseComboScoreForResult(HitResult result)
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{
switch (result)
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{
case HitResult.Perfect:
return 300;
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}
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return GetBaseScoreForResult(result);
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}
private class JudgementOrderComparer : IComparer<HitObject>
{
public static readonly JudgementOrderComparer DEFAULT = new JudgementOrderComparer();
public int Compare(HitObject? x, HitObject? y)
{
if (ReferenceEquals(x, y)) return 0;
if (ReferenceEquals(x, null)) return -1;
if (ReferenceEquals(y, null)) return 1;
int result = x.GetEndTime().CompareTo(y.GetEndTime());
if (result != 0)
return result;
// due to the way input is handled in mania, notes take precedence over ticks in judging order.
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if (x is Note && y is not Note) return -1;
if (x is not Note && y is Note) return 1;
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return x is ManiaHitObject maniaX && y is ManiaHitObject maniaY
? maniaX.Column.CompareTo(maniaY.Column)
: 0;
}
}
}
}