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Remove abusable 0.66 threshold by averaging

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apollo 2022-01-04 16:30:08 +00:00 committed by GitHub
commit 391110ca5a
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3 changed files with 11 additions and 11 deletions

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@ -25,10 +25,10 @@ namespace osu.Game.Rulesets.Osu.Difficulty
public double SliderFactor { get; set; }
[JsonProperty("aim_difficult_strain_count")]
public int AimDifficultStrainCount { get; set; }
public double AimDifficultStrainCount { get; set; }
[JsonProperty("speed_difficult_strain_count")]
public int SpeedDifficultStrainCount { get; set; }
public double SpeedDifficultStrainCount { get; set; }
[JsonProperty("approach_rate")]
public double ApproachRate { get; set; }

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@ -40,8 +40,8 @@ namespace osu.Game.Rulesets.Osu.Difficulty
double sliderFactor = aimRating > 0 ? aimRatingNoSliders / aimRating : 1;
int aimDifficultyStrainCount = ((OsuStrainSkill)skills[0]).CountDifficultStrains(clockRate);
int speedDifficultyStrainCount = ((OsuStrainSkill)skills[2]).CountDifficultStrains(clockRate);
double aimDifficultyStrainCount = ((OsuStrainSkill)skills[0]).CountDifficultStrains(clockRate);
double speedDifficultyStrainCount = ((OsuStrainSkill)skills[2]).CountDifficultStrains(clockRate);
if (mods.Any(h => h is OsuModRelax))
speedRating = 0.0;

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@ -59,15 +59,15 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Skills
}
/// <summary>
/// Returns the number of difficult strains.
/// A strain is considered difficult if it's higher than 66% of the highest strain.
/// Returns the number of strains above a threshold averaged as the threshold varies.
/// The result is scaled by clock rate as it affects the total number of strains.
/// </summary>
public int CountDifficultStrains(double clockRate)
public double CountDifficultStrains(double clockRate)
{
List<double> strains = GetCurrentStrainPeaks().OrderByDescending(d => d).ToList();
// Total number of strains in a map can vary by clockrate, and this needs to be corrected for.
return (int)(strains.Count(s => s > strains[0] * 0.66) * clockRate);
List<double> strains = GetCurrentStrainPeaks().ToList();
// This is the average value of strains.Count(s => s > p * strains.Max()) for p between 0 and 1.
double realtimeCount = strains.Sum() / strains.Max();
return clockRate * realtimeCount;
}
}
}