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Add basic difficulty & performance calculation for Autopilot mod on osu! ruleset (#21211)

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* Set speed distance to 0

* Reduce speed & flashlight, remove aim

* Remove speed AR bonus

* cleanup autopilot mod check in `SpeedEvaluator`

* further decrease speed rating for extra hand availability

* Pass all mods to the speed evaluator, zero out distance bonus instead of distance

---------

Co-authored-by: tsunyoku <mbruhyo@gmail.com>
Co-authored-by: StanR <hi@stanr.info>
This commit is contained in:
James Wilson 2024-12-29 19:29:57 +00:00 committed by GitHub
parent 824497d82c
commit 988ed374ae
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
4 changed files with 21 additions and 2 deletions
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9
osu.Game.Rulesets.Osu/Difficulty/Evaluators/SpeedEvaluator.cs
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@ -2,9 +2,13 @@
// See the LICENCE file in the repository root for full licence text.
using System;
using System.Collections.Generic;
using System.Linq;
using osu.Game.Rulesets.Difficulty.Preprocessing;
using osu.Game.Rulesets.Difficulty.Utils;
using osu.Game.Rulesets.Mods;
using osu.Game.Rulesets.Osu.Difficulty.Preprocessing;
using osu.Game.Rulesets.Osu.Mods;
using osu.Game.Rulesets.Osu.Objects;
namespace osu.Game.Rulesets.Osu.Difficulty.Evaluators
@ -24,7 +28,7 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Evaluators
/// <item><description>and how easily they can be cheesed.</description></item>
/// </list>
/// </summary>
public static double EvaluateDifficultyOf(DifficultyHitObject current)
public static double EvaluateDifficultyOf(DifficultyHitObject current, IReadOnlyList<Mod> mods)
{
if (current.BaseObject is Spinner)
return 0;
@ -56,6 +60,9 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Evaluators
// Max distance bonus is 1 * `distance_multiplier` at single_spacing_threshold
double distanceBonus = Math.Pow(distance / single_spacing_threshold, 3.95) * distance_multiplier;
if (mods.OfType<OsuModAutopilot>().Any())
distanceBonus = 0;
// Base difficulty with all bonuses
double difficulty = (1 + speedBonus + distanceBonus) * 1000 / strainTime;

6
osu.Game.Rulesets.Osu/Difficulty/OsuDifficultyCalculator.cs
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@ -63,6 +63,12 @@ namespace osu.Game.Rulesets.Osu.Difficulty
speedRating = 0.0;
flashlightRating *= 0.7;
}
else if (mods.Any(h => h is OsuModAutopilot))
{
speedRating *= 0.5;
aimRating = 0.0;
flashlightRating *= 0.4;
}
double baseAimPerformance = OsuStrainSkill.DifficultyToPerformance(aimRating);
double baseSpeedPerformance = OsuStrainSkill.DifficultyToPerformance(speedRating);

6
osu.Game.Rulesets.Osu/Difficulty/OsuPerformanceCalculator.cs
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@ -135,6 +135,9 @@ namespace osu.Game.Rulesets.Osu.Difficulty
private double computeAimValue(ScoreInfo score, OsuDifficultyAttributes attributes)
{
if (score.Mods.Any(h => h is OsuModAutopilot))
return 0.0;
double aimDifficulty = attributes.AimDifficulty;
if (attributes.SliderCount > 0 && attributes.AimDifficultSliderCount > 0)
@ -211,6 +214,9 @@ namespace osu.Game.Rulesets.Osu.Difficulty
if (attributes.ApproachRate > 10.33)
approachRateFactor = 0.3 * (attributes.ApproachRate - 10.33);
if (score.Mods.Any(h => h is OsuModAutopilot))
approachRateFactor = 0.0;
speedValue *= 1.0 + approachRateFactor * lengthBonus; // Buff for longer maps with high AR.
if (score.Mods.Any(m => m is OsuModBlinds))

2
osu.Game.Rulesets.Osu/Difficulty/Skills/Speed.cs
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@ -35,7 +35,7 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Skills
protected override double StrainValueAt(DifficultyHitObject current)
{
currentStrain *= strainDecay(((OsuDifficultyHitObject)current).StrainTime);
currentStrain += SpeedEvaluator.EvaluateDifficultyOf(current) * skillMultiplier;
currentStrain += SpeedEvaluator.EvaluateDifficultyOf(current, Mods) * skillMultiplier;
currentRhythm = RhythmEvaluator.EvaluateDifficultyOf(current);