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Code Issues Releases Wiki Activity

Nerf slider aim for plays with dropped slider ends

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This commit is contained in:
apollo-dw 2021-11-10 00:59:28 +00:00
parent baa5285b59
commit fe2f143e8a
4 changed files with 19 additions and 5 deletions
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1
osu.Game.Rulesets.Osu/Difficulty/OsuDifficultyAttributes.cs
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@ -10,6 +10,7 @@ namespace osu.Game.Rulesets.Osu.Difficulty
public double AimStrain { get; set; }
public double SpeedStrain { get; set; }
public double FlashlightRating { get; set; }
public double SliderFactor { get; set; }
public double ApproachRate { get; set; }
public double OverallDifficulty { get; set; }
public double DrainRate { get; set; }

11
osu.Game.Rulesets.Osu/Difficulty/OsuDifficultyCalculator.cs
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@ -34,8 +34,11 @@ namespace osu.Game.Rulesets.Osu.Difficulty
return new OsuDifficultyAttributes { Mods = mods, Skills = skills };
double aimRating = Math.Sqrt(skills[0].DifficultyValue()) * difficulty_multiplier;
double speedRating = Math.Sqrt(skills[1].DifficultyValue()) * difficulty_multiplier;
double flashlightRating = Math.Sqrt(skills[2].DifficultyValue()) * difficulty_multiplier;
double aimRatingNoSliders = Math.Sqrt(skills[1].DifficultyValue()) * difficulty_multiplier;
double speedRating = Math.Sqrt(skills[2].DifficultyValue()) * difficulty_multiplier;
double flashlightRating = Math.Sqrt(skills[3].DifficultyValue()) * difficulty_multiplier;
double sliderFactor = aimRating / aimRatingNoSliders;
if (mods.Any(h => h is OsuModRelax))
speedRating = 0.0;
@ -74,6 +77,7 @@ namespace osu.Game.Rulesets.Osu.Difficulty
AimStrain = aimRating,
SpeedStrain = speedRating,
FlashlightRating = flashlightRating,
SliderFactor = sliderFactor,
ApproachRate = preempt > 1200 ? (1800 - preempt) / 120 : (1200 - preempt) / 150 + 5,
OverallDifficulty = (80 - hitWindowGreat) / 6,
DrainRate = drainRate,
@ -108,7 +112,8 @@ namespace osu.Game.Rulesets.Osu.Difficulty
return new Skill[]
{
new Aim(mods),
new Aim(mods, true),
new Aim(mods, false),
new Speed(mods, hitWindowGreat),
new Flashlight(mods)
};

4
osu.Game.Rulesets.Osu/Difficulty/OsuPerformanceCalculator.cs
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@ -125,6 +125,10 @@ namespace osu.Game.Rulesets.Osu.Difficulty
aimValue *= 1.0 + 0.04 * (12.0 - Attributes.ApproachRate);
}
// Estimate the number of sliderends dropped
double estimateSliderEndsDropped = Math.Min(Attributes.SliderCount, Math.Min(countOk + countMeh + countMiss, Attributes.MaxCombo - scoreMaxCombo));
aimValue *= 1 - (((1 - Attributes.SliderFactor) * estimateSliderEndsDropped) / Attributes.SliderCount);
aimValue *= accuracy;
// It is important to also consider accuracy difficulty when doing that.
aimValue *= 0.98 + Math.Pow(Attributes.OverallDifficulty, 2) / 2500;

8
osu.Game.Rulesets.Osu/Difficulty/Skills/Aim.cs
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@ -14,9 +14,10 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Skills
/// </summary>
public class Aim : OsuStrainSkill
{
public Aim(Mod[] mods)
public Aim(Mod[] mods, bool withSliders)
: base(mods)
{
this.withSliders = withSliders;
}
protected override int HistoryLength => 2;
@ -31,6 +32,8 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Skills
private double skillMultiplier => 23.25;
private double strainDecayBase => 0.15;
private bool withSliders = true;
private double strainValueOf(DifficultyHitObject current)
{
if (current.BaseObject is Spinner || Previous.Count <= 1 || Previous[0].BaseObject is Spinner)
@ -135,7 +138,8 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Skills
aimStrain += Math.Max(acuteAngleBonus * acute_angle_multiplier, wideAngleBonus * wide_angle_multiplier + velocityChangeBonus * velocity_change_multiplier);
// Add in additional slider velocity bonus.
aimStrain += sliderBonus * slider_multiplier;
if (withSliders)
aimStrain += sliderBonus * slider_multiplier;
return aimStrain;
}