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Merge pull request #11857 from Syriiin/diffcalc/refactor/catch-clockrate-effects

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Refactor catch Movement skill to not require explicit clockrate usage
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Dan Balasescu 2021-06-03 17:29:27 +09:00 committed by GitHub
commit 15b43beef1
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GPG Key ID: 4AEE18F83AFDEB23
12 changed files with 27 additions and 18 deletions
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2
Templates/Rulesets/ruleset-empty/osu.Game.Rulesets.EmptyFreeform/EmptyFreeformDifficultyCalculator.cs
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@ -25,6 +25,6 @@ namespace osu.Game.Rulesets.EmptyFreeform
protected override IEnumerable<DifficultyHitObject> CreateDifficultyHitObjects(IBeatmap beatmap, double clockRate) => Enumerable.Empty<DifficultyHitObject>();
protected override Skill[] CreateSkills(IBeatmap beatmap, Mod[] mods) => new Skill[0];
protected override Skill[] CreateSkills(IBeatmap beatmap, Mod[] mods, double clockRate) => new Skill[0];
}
}

2
Templates/Rulesets/ruleset-example/osu.Game.Rulesets.Pippidon/PippidonDifficultyCalculator.cs
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@ -25,6 +25,6 @@ namespace osu.Game.Rulesets.Pippidon
protected override IEnumerable<DifficultyHitObject> CreateDifficultyHitObjects(IBeatmap beatmap, double clockRate) => Enumerable.Empty<DifficultyHitObject>();
protected override Skill[] CreateSkills(IBeatmap beatmap, Mod[] mods) => new Skill[0];
protected override Skill[] CreateSkills(IBeatmap beatmap, Mod[] mods, double clockRate) => new Skill[0];
}
}

2
Templates/Rulesets/ruleset-scrolling-empty/osu.Game.Rulesets.EmptyScrolling/EmptyScrollingDifficultyCalculator.cs
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@ -25,6 +25,6 @@ namespace osu.Game.Rulesets.EmptyScrolling
protected override IEnumerable<DifficultyHitObject> CreateDifficultyHitObjects(IBeatmap beatmap, double clockRate) => Enumerable.Empty<DifficultyHitObject>();
protected override Skill[] CreateSkills(IBeatmap beatmap, Mod[] mods) => new Skill[0];
protected override Skill[] CreateSkills(IBeatmap beatmap, Mod[] mods, double clockRate) => new Skill[0];
}
}

2
Templates/Rulesets/ruleset-scrolling-example/osu.Game.Rulesets.Pippidon/PippidonDifficultyCalculator.cs
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@ -25,6 +25,6 @@ namespace osu.Game.Rulesets.Pippidon
protected override IEnumerable<DifficultyHitObject> CreateDifficultyHitObjects(IBeatmap beatmap, double clockRate) => Enumerable.Empty<DifficultyHitObject>();
protected override Skill[] CreateSkills(IBeatmap beatmap, Mod[] mods) => new Skill[0];
protected override Skill[] CreateSkills(IBeatmap beatmap, Mod[] mods, double clockRate) => new Skill[0];
}
}

4
osu.Game.Rulesets.Catch/Difficulty/CatchDifficultyCalculator.cs
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@ -67,7 +67,7 @@ namespace osu.Game.Rulesets.Catch.Difficulty
}
}
protected override Skill[] CreateSkills(IBeatmap beatmap, Mod[] mods)
protected override Skill[] CreateSkills(IBeatmap beatmap, Mod[] mods, double clockRate)
{
halfCatcherWidth = Catcher.CalculateCatchWidth(beatmap.BeatmapInfo.BaseDifficulty) * 0.5f;
@ -76,7 +76,7 @@ namespace osu.Game.Rulesets.Catch.Difficulty
return new Skill[]
{
new Movement(mods, halfCatcherWidth),
new Movement(mods, halfCatcherWidth, clockRate),
};
}

3
osu.Game.Rulesets.Catch/Difficulty/Preprocessing/CatchDifficultyHitObject.cs
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@ -24,8 +24,6 @@ namespace osu.Game.Rulesets.Catch.Difficulty.Preprocessing
/// </summary>
public readonly double StrainTime;
public readonly double ClockRate;
public CatchDifficultyHitObject(HitObject hitObject, HitObject lastObject, double clockRate, float halfCatcherWidth)
: base(hitObject, lastObject, clockRate)
{
@ -37,7 +35,6 @@ namespace osu.Game.Rulesets.Catch.Difficulty.Preprocessing
// Every strain interval is hard capped at the equivalent of 375 BPM streaming speed as a safety measure
StrainTime = Math.Max(40, DeltaTime);
ClockRate = clockRate;
}
}
}

17
osu.Game.Rulesets.Catch/Difficulty/Skills/Movement.cs
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@ -28,10 +28,21 @@ namespace osu.Game.Rulesets.Catch.Difficulty.Skills
private float lastDistanceMoved;
private double lastStrainTime;
public Movement(Mod[] mods, float halfCatcherWidth)
/// <summary>
/// The speed multiplier applied to the player's catcher.
/// </summary>
private readonly double catcherSpeedMultiplier;
public Movement(Mod[] mods, float halfCatcherWidth, double clockRate)
: base(mods)
{
HalfCatcherWidth = halfCatcherWidth;
// In catch, clockrate adjustments do not only affect the timings of hitobjects,
// but also the speed of the player's catcher, which has an impact on difficulty
// TODO: Support variable clockrates caused by mods such as ModTimeRamp
// (perhaps by using IApplicableToRate within the CatchDifficultyHitObject constructor to set a catcher speed for each object before processing)
catcherSpeedMultiplier = clockRate;
}
protected override double StrainValueOf(DifficultyHitObject current)
@ -48,7 +59,7 @@ namespace osu.Game.Rulesets.Catch.Difficulty.Skills
float distanceMoved = playerPosition - lastPlayerPosition.Value;
double weightedStrainTime = catchCurrent.StrainTime + 13 + (3 / catchCurrent.ClockRate);
double weightedStrainTime = catchCurrent.StrainTime + 13 + (3 / catcherSpeedMultiplier);
double distanceAddition = (Math.Pow(Math.Abs(distanceMoved), 1.3) / 510);
double sqrtStrain = Math.Sqrt(weightedStrainTime);
@ -81,7 +92,7 @@ namespace osu.Game.Rulesets.Catch.Difficulty.Skills
playerPosition = catchCurrent.NormalizedPosition;
}
distanceAddition *= 1.0 + edgeDashBonus * ((20 - catchCurrent.LastObject.DistanceToHyperDash) / 20) * Math.Pow((Math.Min(catchCurrent.StrainTime * catchCurrent.ClockRate, 265) / 265), 1.5); // Edge Dashes are easier at lower ms values
distanceAddition *= 1.0 + edgeDashBonus * ((20 - catchCurrent.LastObject.DistanceToHyperDash) / 20) * Math.Pow((Math.Min(catchCurrent.StrainTime * catcherSpeedMultiplier, 265) / 265), 1.5); // Edge Dashes are easier at lower ms values
}
lastPlayerPosition = playerPosition;

2
osu.Game.Rulesets.Mania/Difficulty/ManiaDifficultyCalculator.cs
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@ -68,7 +68,7 @@ namespace osu.Game.Rulesets.Mania.Difficulty
// Sorting is done in CreateDifficultyHitObjects, since the full list of hitobjects is required.
protected override IEnumerable<DifficultyHitObject> SortObjects(IEnumerable<DifficultyHitObject> input) => input;
protected override Skill[] CreateSkills(IBeatmap beatmap, Mod[] mods) => new Skill[]
protected override Skill[] CreateSkills(IBeatmap beatmap, Mod[] mods, double clockRate) => new Skill[]
{
new Strain(mods, ((ManiaBeatmap)beatmap).TotalColumns)
};

2
osu.Game.Rulesets.Osu/Difficulty/OsuDifficultyCalculator.cs
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@ -79,7 +79,7 @@ namespace osu.Game.Rulesets.Osu.Difficulty
}
}
protected override Skill[] CreateSkills(IBeatmap beatmap, Mod[] mods) => new Skill[]
protected override Skill[] CreateSkills(IBeatmap beatmap, Mod[] mods, double clockRate) => new Skill[]
{
new Aim(mods),
new Speed(mods)

2
osu.Game.Rulesets.Taiko/Difficulty/TaikoDifficultyCalculator.cs
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@ -29,7 +29,7 @@ namespace osu.Game.Rulesets.Taiko.Difficulty
{
}
protected override Skill[] CreateSkills(IBeatmap beatmap, Mod[] mods) => new Skill[]
protected override Skill[] CreateSkills(IBeatmap beatmap, Mod[] mods, double clockRate) => new Skill[]
{
new Colour(mods),
new Rhythm(mods),

2
osu.Game.Tests/NonVisual/DifficultyAdjustmentModCombinationsTest.cs
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@ -217,7 +217,7 @@ namespace osu.Game.Tests.NonVisual
throw new NotImplementedException();
}
protected override Skill[] CreateSkills(IBeatmap beatmap, Mod[] mods)
protected override Skill[] CreateSkills(IBeatmap beatmap, Mod[] mods, double clockRate)
{
throw new NotImplementedException();
}

5
osu.Game/Rulesets/Difficulty/DifficultyCalculator.cs
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@ -59,7 +59,7 @@ namespace osu.Game.Rulesets.Difficulty
private DifficultyAttributes calculate(IBeatmap beatmap, Mod[] mods, double clockRate)
{
var skills = CreateSkills(beatmap, mods);
var skills = CreateSkills(beatmap, mods, clockRate);
if (!beatmap.HitObjects.Any())
return CreateDifficultyAttributes(beatmap, mods, skills, clockRate);
@ -180,7 +180,8 @@ namespace osu.Game.Rulesets.Difficulty
/// </summary>
/// <param name="beatmap">The <see cref="IBeatmap"/> whose difficulty will be calculated.</param>
/// <param name="mods">Mods to calculate difficulty with.</param>
/// <param name="clockRate">Clockrate to calculate difficulty with.</param>
/// <returns>The <see cref="Skill"/>s.</returns>
protected abstract Skill[] CreateSkills(IBeatmap beatmap, Mod[] mods);
protected abstract Skill[] CreateSkills(IBeatmap beatmap, Mod[] mods, double clockRate);
}
}