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Merge pull request #2538 from smoogipoo/fix-diffcalc-timerates

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Fix performance calculation not considering time-adjustment mods
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Dean Herbert 2018-05-14 15:35:22 +09:00 committed by GitHub
commit 1045199a17
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3 changed files with 37 additions and 5 deletions
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25
osu.Game.Rulesets.Osu/Scoring/OsuPerformanceCalculator.cs
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@ -18,7 +18,17 @@ namespace osu.Game.Rulesets.Osu.Scoring
private readonly int beatmapMaxCombo;
private Mod[] mods;
/// <summary>
/// Approach rate adjusted by mods.
/// </summary>
private double realApproachRate;
/// <summary>
/// Overall difficulty adjusted by mods.
/// </summary>
private double realOverallDifficulty;
private double accuracy;
private int scoreMaxCombo;
private int count300;
@ -58,8 +68,12 @@ namespace osu.Game.Rulesets.Osu.Scoring
ar = Math.Min(10, ar * 1.4);
if (mods.Any(m => m is OsuModEasy))
ar = Math.Max(0, ar / 2);
double preEmpt = BeatmapDifficulty.DifficultyRange(ar, 1800, 1200, 450);
double preEmpt = BeatmapDifficulty.DifficultyRange(ar, 1800, 1200, 450) / TimeRate;
double hitWindow300 = (Beatmap.HitObjects.First().HitWindows.Great / 2 - 0.5) / TimeRate;
realApproachRate = preEmpt > 1200 ? (1800 - preEmpt) / 120 : (1200 - preEmpt) / 150 + 5;
realOverallDifficulty = (80 - 0.5 - hitWindow300) / 6;
// Custom multipliers for NoFail and SpunOut.
double multiplier = 1.12f; // This is being adjusted to keep the final pp value scaled around what it used to be when changing things
@ -85,6 +99,9 @@ namespace osu.Game.Rulesets.Osu.Scoring
categoryRatings.Add("Aim", aimValue);
categoryRatings.Add("Speed", speedValue);
categoryRatings.Add("Accuracy", accuracyValue);
categoryRatings.Add("OD", realOverallDifficulty);
categoryRatings.Add("AR", realApproachRate);
categoryRatings.Add("Max Combo", beatmapMaxCombo);
}
return totalValue;
@ -133,7 +150,7 @@ namespace osu.Game.Rulesets.Osu.Scoring
// Scale the aim value with accuracy _slightly_
aimValue *= 0.5f + accuracy / 2.0f;
// It is important to also consider accuracy difficulty when doing that
aimValue *= 0.98f + Math.Pow(Beatmap.BeatmapInfo.BaseDifficulty.OverallDifficulty, 2) / 2500;
aimValue *= 0.98f + Math.Pow(realOverallDifficulty, 2) / 2500;
return aimValue;
}
@ -159,7 +176,7 @@ namespace osu.Game.Rulesets.Osu.Scoring
// Scale the speed value with accuracy _slightly_
speedValue *= 0.5f + accuracy / 2.0f;
// It is important to also consider accuracy difficulty when doing that
speedValue *= 0.98f + Math.Pow(Beatmap.BeatmapInfo.BaseDifficulty.OverallDifficulty, 2) / 2500;
speedValue *= 0.98f + Math.Pow(realOverallDifficulty, 2) / 2500;
return speedValue;
}
@ -181,7 +198,7 @@ namespace osu.Game.Rulesets.Osu.Scoring
// Lots of arbitrary values from testing.
// Considering to use derivation from perfect accuracy in a probabilistic manner - assume normal distribution
double accuracyValue = Math.Pow(1.52163f, Beatmap.BeatmapInfo.BaseDifficulty.OverallDifficulty) * Math.Pow(betterAccuracyPercentage, 24) * 2.83f;
double accuracyValue = Math.Pow(1.52163f, realOverallDifficulty) * Math.Pow(betterAccuracyPercentage, 24) * 2.83f;
// Bonus for many hitcircles - it's harder to keep good accuracy up for longer
accuracyValue *= Math.Min(1.15f, Math.Pow(amountHitObjectsWithAccuracy / 1000.0f, 0.3f));

2
osu.Game/Beatmaps/DifficultyCalculator.cs
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@ -14,7 +14,7 @@ namespace osu.Game.Beatmaps
protected readonly IBeatmap Beatmap;
protected readonly Mod[] Mods;
protected double TimeRate = 1;
protected double TimeRate { get; private set; } = 1;
protected DifficultyCalculator(IBeatmap beatmap, Mod[] mods = null)
{

15
osu.Game/Rulesets/Scoring/PerformanceCalculator.cs
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@ -2,7 +2,11 @@
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using System.Collections.Generic;
using System.Linq;
using osu.Framework.Extensions.IEnumerableExtensions;
using osu.Framework.Timing;
using osu.Game.Beatmaps;
using osu.Game.Rulesets.Mods;
namespace osu.Game.Rulesets.Scoring
{
@ -14,6 +18,8 @@ namespace osu.Game.Rulesets.Scoring
protected readonly IBeatmap Beatmap;
protected readonly Score Score;
protected double TimeRate { get; private set; } = 1;
protected PerformanceCalculator(Ruleset ruleset, IBeatmap beatmap, Score score)
{
Score = score;
@ -22,6 +28,15 @@ namespace osu.Game.Rulesets.Scoring
var diffCalc = ruleset.CreateDifficultyCalculator(beatmap, score.Mods);
diffCalc.Calculate(attributes);
ApplyMods(score.Mods);
}
protected virtual void ApplyMods(Mod[] mods)
{
var clock = new StopwatchClock();
mods.OfType<IApplicableToClock>().ForEach(m => m.ApplyToClock(clock));
TimeRate = clock.Rate;
}
public abstract double Calculate(Dictionary<string, double> categoryDifficulty = null);