diff --git a/osu.Game.Rulesets.Mania.Tests/ManiaDifficultyCalculatorTest.cs b/osu.Game.Rulesets.Mania.Tests/ManiaDifficultyCalculatorTest.cs index 9e4db1f1c9..4ae6cb9c7c 100644 --- a/osu.Game.Rulesets.Mania.Tests/ManiaDifficultyCalculatorTest.cs +++ b/osu.Game.Rulesets.Mania.Tests/ManiaDifficultyCalculatorTest.cs @@ -16,11 +16,11 @@ namespace osu.Game.Rulesets.Mania.Tests { protected override string ResourceAssembly => "osu.Game.Rulesets.Mania"; - [TestCase(2.3449735700206298d, 242, "diffcalc-test")] + [TestCase(2.3493769750220914d, 242, "diffcalc-test")] public void Test(double expectedStarRating, int expectedMaxCombo, string name) => base.Test(expectedStarRating, expectedMaxCombo, name); - [TestCase(2.7879104989252959d, 242, "diffcalc-test")] + [TestCase(2.797245912537965d, 242, "diffcalc-test")] public void TestClockRateAdjusted(double expectedStarRating, int expectedMaxCombo, string name) => Test(expectedStarRating, expectedMaxCombo, name, new ManiaModDoubleTime()); diff --git a/osu.Game.Rulesets.Mania/Difficulty/Skills/Strain.cs b/osu.Game.Rulesets.Mania/Difficulty/Skills/Strain.cs index c2e532430c..2c7c84de97 100644 --- a/osu.Game.Rulesets.Mania/Difficulty/Skills/Strain.cs +++ b/osu.Game.Rulesets.Mania/Difficulty/Skills/Strain.cs @@ -21,7 +21,8 @@ namespace osu.Game.Rulesets.Mania.Difficulty.Skills protected override double SkillMultiplier => 1; protected override double StrainDecayBase => 1; - private readonly double[] holdEndTimes; + private readonly double[] startTimes; + private readonly double[] endTimes; private readonly double[] individualStrains; private double individualStrain; @@ -30,7 +31,8 @@ namespace osu.Game.Rulesets.Mania.Difficulty.Skills public Strain(Mod[] mods, int totalColumns) : base(mods) { - holdEndTimes = new double[totalColumns]; + startTimes = new double[totalColumns]; + endTimes = new double[totalColumns]; individualStrains = new double[totalColumns]; overallStrain = 1; } @@ -38,32 +40,27 @@ namespace osu.Game.Rulesets.Mania.Difficulty.Skills protected override double StrainValueOf(DifficultyHitObject current) { var maniaCurrent = (ManiaDifficultyHitObject)current; + double startTime = maniaCurrent.StartTime; double endTime = maniaCurrent.EndTime; int column = maniaCurrent.BaseObject.Column; - double closestEndTime = Math.Abs(endTime - maniaCurrent.LastObject.StartTime); // Lowest value we can assume with the current information - - double holdFactor = 1.0; // Factor to all additional strains in case something else is held - double holdAddition = 0; // Addition to the current note in case it's a hold and has to be released awkwardly bool isOverlapping = false; - // Fill up the holdEndTimes array - for (int i = 0; i < holdEndTimes.Length; ++i) + double closestEndTime = Math.Abs(endTime - startTime); // Lowest value we can assume with the current information + double holdFactor = 1.0; // Factor to all additional strains in case something else is held + double holdAddition = 0; // Addition to the current note in case it's a hold and has to be released awkwardly + + for (int i = 0; i < endTimes.Length; ++i) { // The current note is overlapped if a previous note or end is overlapping the current note body - isOverlapping |= Precision.DefinitelyBigger(holdEndTimes[i], maniaCurrent.StartTime, 1) && Precision.DefinitelyBigger(endTime, holdEndTimes[i], 1); + isOverlapping |= Precision.DefinitelyBigger(endTimes[i], startTime, 1) && Precision.DefinitelyBigger(endTime, endTimes[i], 1); // We give a slight bonus to everything if something is held meanwhile - if (Precision.DefinitelyBigger(holdEndTimes[i], endTime, 1)) + if (Precision.DefinitelyBigger(endTimes[i], endTime, 1)) holdFactor = 1.25; - closestEndTime = Math.Min(closestEndTime, Math.Abs(endTime - holdEndTimes[i])); - - // Decay individual strains - individualStrains[i] = applyDecay(individualStrains[i], current.DeltaTime, individual_decay_base); + closestEndTime = Math.Min(closestEndTime, Math.Abs(endTime - endTimes[i])); } - holdEndTimes[column] = endTime; - // The hold addition is given if there was an overlap, however it is only valid if there are no other note with a similar ending. // Releasing multiple notes is just as easy as releasing 1. Nerfs the hold addition by half if the closest release is release_threshold away. // holdAddition @@ -77,12 +74,22 @@ namespace osu.Game.Rulesets.Mania.Difficulty.Skills if (isOverlapping) holdAddition = 1 / (1 + Math.Exp(0.5 * (release_threshold - closestEndTime))); - // Increase individual strain in own column + // Decay and increase individualStrains in own column + individualStrains[column] = applyDecay(individualStrains[column], startTime - startTimes[column], individual_decay_base); individualStrains[column] += 2.0 * holdFactor; - individualStrain = individualStrains[column]; - overallStrain = applyDecay(overallStrain, current.DeltaTime, overall_decay_base) + (1 + holdAddition) * holdFactor; + // For notes at the same time (in a chord), the individualStrain should be the hardest individualStrain out of those columns + individualStrain = maniaCurrent.DeltaTime <= 1 ? Math.Max(individualStrain, individualStrains[column]) : individualStrains[column]; + // Decay and increase overallStrain + overallStrain = applyDecay(overallStrain, current.DeltaTime, overall_decay_base); + overallStrain += (1 + holdAddition) * holdFactor; + + // Update startTimes and endTimes arrays + startTimes[column] = startTime; + endTimes[column] = endTime; + + // By subtracting CurrentStrain, this skill effectively only considers the maximum strain of any one hitobject within each strain section. return individualStrain + overallStrain - CurrentStrain; }