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osu-lazer/osu.Game.Rulesets.Taiko/Scoring/TaikoScoreProcessor.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;
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using System.Collections.Generic;
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using osu.Game.Rulesets.Judgements;
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using osu.Game.Rulesets.Scoring;
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using osu.Game.Rulesets.Taiko.Objects;
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using osu.Game.Scoring;
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namespace osu.Game.Rulesets.Taiko.Scoring
{
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public partial class TaikoScoreProcessor : ScoreProcessor
{
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private const double combo_base = 4;
public TaikoScoreProcessor()
: base(new TaikoRuleset())
{
}
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protected override double ComputeTotalScore(double comboProgress, double accuracyProgress, double bonusPortion)
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{
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return 250000 * comboProgress
+ 750000 * Math.Pow(Accuracy.Value, 3.6) * accuracyProgress
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+ bonusPortion;
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}
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protected override double GetBonusScoreChange(JudgementResult result) => base.GetBonusScoreChange(result) * strongScaleValue(result);
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protected override double GetComboScoreChange(JudgementResult result)
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{
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return GetBaseScoreForResult(result.Type)
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* Math.Min(Math.Max(0.5, Math.Log(result.ComboAfterJudgement, combo_base)), Math.Log(400, combo_base))
* strongScaleValue(result);
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}
public override ScoreRank RankFromScore(double accuracy, IReadOnlyDictionary<HitResult, int> results)
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{
ScoreRank rank = base.RankFromScore(accuracy, results);
switch (rank)
{
case ScoreRank.S:
case ScoreRank.X:
if (results.GetValueOrDefault(HitResult.Miss) > 0)
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rank = ScoreRank.A;
break;
}
return rank;
}
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public override int GetBaseScoreForResult(HitResult result)
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{
switch (result)
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{
case HitResult.Ok:
return 150;
}
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return base.GetBaseScoreForResult(result);
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}
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private double strongScaleValue(JudgementResult result)
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{
if (result.HitObject is StrongNestedHitObject strong)
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return strong.Parent is DrumRollTick ? 3 : 7;
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return 1;
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}
}
}