Merge pull request #19001 from stanriders/pp-balancing

osu! performance points balancing pass

osu.Game.Rulesets.Osu.Tests/OsuDifficultyCalculatorTest.cs

@@ -17,18 +17,18 @@ namespace osu.Game.Rulesets.Osu.Tests
     {
         protected override string ResourceAssembly => "osu.Game.Rulesets.Osu";
 
-        [TestCase(6.6369583000323935d, 206, "diffcalc-test")]
+        [TestCase(6.7115569159190587d, 206, "diffcalc-test")]
-        [TestCase(1.4476531024675374d, 45, "zero-length-sliders")]
+        [TestCase(1.4391311903612753d, 45, "zero-length-sliders")]
         public void Test(double expectedStarRating, int expectedMaxCombo, string name)
             => base.Test(expectedStarRating, expectedMaxCombo, name);
 
-        [TestCase(8.8816128335486386d, 206, "diffcalc-test")]
+        [TestCase(8.9757300665532966d, 206, "diffcalc-test")]
-        [TestCase(1.7540389962596916d, 45, "zero-length-sliders")]
+        [TestCase(1.7437232654020756d, 45, "zero-length-sliders")]
         public void TestClockRateAdjusted(double expectedStarRating, int expectedMaxCombo, string name)
             => Test(expectedStarRating, expectedMaxCombo, name, new OsuModDoubleTime());
 
-        [TestCase(6.6369583000323935d, 239, "diffcalc-test")]
+        [TestCase(6.7115569159190587d, 239, "diffcalc-test")]
-        [TestCase(1.4476531024675374d, 54, "zero-length-sliders")]
+        [TestCase(1.4391311903612753d, 54, "zero-length-sliders")]
         public void TestClassicMod(double expectedStarRating, int expectedMaxCombo, string name)
             => Test(expectedStarRating, expectedMaxCombo, name, new OsuModClassic());
 

osu.Game.Rulesets.Osu/Difficulty/Evaluators/AimEvaluator.cs

@@ -13,8 +13,8 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Evaluators
     public static class AimEvaluator
     {
         private const double wide_angle_multiplier = 1.5;
-        private const double acute_angle_multiplier = 2.0;
+        private const double acute_angle_multiplier = 1.95;
-        private const double slider_multiplier = 1.5;
+        private const double slider_multiplier = 1.35;
         private const double velocity_change_multiplier = 0.75;
 
         /// <summary>

osu.Game.Rulesets.Osu/Difficulty/OsuDifficultyCalculator.cs

@@ -46,7 +46,11 @@ namespace osu.Game.Rulesets.Osu.Difficulty
             double sliderFactor = aimRating > 0 ? aimRatingNoSliders / aimRating : 1;
 
             if (mods.Any(h => h is OsuModRelax))
+            {
+                aimRating *= 0.9;
                 speedRating = 0.0;
+                flashlightRating *= 0.7;
+            }
 
             double baseAimPerformance = Math.Pow(5 * Math.Max(1, aimRating / 0.0675) - 4, 3) / 100000;
             double baseSpeedPerformance = Math.Pow(5 * Math.Max(1, speedRating / 0.0675) - 4, 3) / 100000;
@@ -62,7 +66,7 @@ namespace osu.Game.Rulesets.Osu.Difficulty
                     Math.Pow(baseFlashlightPerformance, 1.1), 1.0 / 1.1
                 );
 
-            double starRating = basePerformance > 0.00001 ? Math.Cbrt(1.12) * 0.027 * (Math.Cbrt(100000 / Math.Pow(2, 1 / 1.1) * basePerformance) + 4) : 0;
+            double starRating = basePerformance > 0.00001 ? Math.Cbrt(OsuPerformanceCalculator.PERFORMANCE_BASE_MULTIPLIER) * 0.027 * (Math.Cbrt(100000 / Math.Pow(2, 1 / 1.1) * basePerformance) + 4) : 0;
 
             double preempt = IBeatmapDifficultyInfo.DifficultyRange(beatmap.Difficulty.ApproachRate, 1800, 1200, 450) / clockRate;
             double drainRate = beatmap.Difficulty.DrainRate;

osu.Game.Rulesets.Osu/Difficulty/OsuPerformanceCalculator.cs

@@ -15,6 +15,8 @@ namespace osu.Game.Rulesets.Osu.Difficulty
 {
     public class OsuPerformanceCalculator : PerformanceCalculator
     {
+        public const double PERFORMANCE_BASE_MULTIPLIER = 1.14; // This is being adjusted to keep the final pp value scaled around what it used to be when changing things.
+
         private double accuracy;
         private int scoreMaxCombo;
         private int countGreat;
@@ -41,7 +43,7 @@ namespace osu.Game.Rulesets.Osu.Difficulty
             countMiss = score.Statistics.GetValueOrDefault(HitResult.Miss);
             effectiveMissCount = calculateEffectiveMissCount(osuAttributes);
 
-            double multiplier = 1.12; // This is being adjusted to keep the final pp value scaled around what it used to be when changing things.
+            double multiplier = PERFORMANCE_BASE_MULTIPLIER;
 
             if (score.Mods.Any(m => m is OsuModNoFail))
                 multiplier *= Math.Max(0.90, 1.0 - 0.02 * effectiveMissCount);
@@ -51,10 +53,14 @@ namespace osu.Game.Rulesets.Osu.Difficulty
 
             if (score.Mods.Any(h => h is OsuModRelax))
             {
-                // As we're adding Oks and Mehs to an approximated number of combo breaks the result can be higher than total hits in specific scenarios (which breaks some calculations) so we need to clamp it.
+                // https://www.desmos.com/calculator/bc9eybdthb
-                effectiveMissCount = Math.Min(effectiveMissCount + countOk + countMeh, totalHits);
+                // we use OD13.3 as maximum since it's the value at which great hitwidow becomes 0
+                // this is well beyond currently maximum achievable OD which is 12.17 (DTx2 + DA with OD11)
+                double okMultiplier = Math.Max(0.0, osuAttributes.OverallDifficulty > 0.0 ? 1 - Math.Pow(osuAttributes.OverallDifficulty / 13.33, 1.8) : 1.0);
+                double mehMultiplier = Math.Max(0.0, osuAttributes.OverallDifficulty > 0.0 ? 1 - Math.Pow(osuAttributes.OverallDifficulty / 13.33, 5) : 1.0);
 
-                multiplier *= 0.6;
+                // As we're adding Oks and Mehs to an approximated number of combo breaks the result can be higher than total hits in specific scenarios (which breaks some calculations) so we need to clamp it.
+                effectiveMissCount = Math.Min(effectiveMissCount + countOk * okMultiplier + countMeh * mehMultiplier, totalHits);
             }
 
             double aimValue = computeAimValue(score, osuAttributes);
@@ -103,7 +109,10 @@ namespace osu.Game.Rulesets.Osu.Difficulty
             if (attributes.ApproachRate > 10.33)
                 approachRateFactor = 0.3 * (attributes.ApproachRate - 10.33);
             else if (attributes.ApproachRate < 8.0)
-                approachRateFactor = 0.1 * (8.0 - attributes.ApproachRate);
+                approachRateFactor = 0.05 * (8.0 - attributes.ApproachRate);
+
+            if (score.Mods.Any(h => h is OsuModRelax))
+                approachRateFactor = 0.0;
 
             aimValue *= 1.0 + approachRateFactor * lengthBonus; // Buff for longer maps with high AR.
 
@@ -134,6 +143,9 @@ namespace osu.Game.Rulesets.Osu.Difficulty
 
         private double computeSpeedValue(ScoreInfo score, OsuDifficultyAttributes attributes)
         {
+            if (score.Mods.Any(h => h is OsuModRelax))
+                return 0.0;
+
             double speedValue = Math.Pow(5.0 * Math.Max(1.0, attributes.SpeedDifficulty / 0.0675) - 4.0, 3.0) / 100000.0;
 
             double lengthBonus = 0.95 + 0.4 * Math.Min(1.0, totalHits / 2000.0) +
@@ -174,7 +186,7 @@ namespace osu.Game.Rulesets.Osu.Difficulty
             speedValue *= (0.95 + Math.Pow(attributes.OverallDifficulty, 2) / 750) * Math.Pow((accuracy + relevantAccuracy) / 2.0, (14.5 - Math.Max(attributes.OverallDifficulty, 8)) / 2);
 
             // Scale the speed value with # of 50s to punish doubletapping.
-            speedValue *= Math.Pow(0.98, countMeh < totalHits / 500.0 ? 0 : countMeh - totalHits / 500.0);
+            speedValue *= Math.Pow(0.99, countMeh < totalHits / 500.0 ? 0 : countMeh - totalHits / 500.0);
 
             return speedValue;
         }
@@ -266,6 +278,5 @@ namespace osu.Game.Rulesets.Osu.Difficulty
 
         private double getComboScalingFactor(OsuDifficultyAttributes attributes) => attributes.MaxCombo <= 0 ? 1.0 : Math.Min(Math.Pow(scoreMaxCombo, 0.8) / Math.Pow(attributes.MaxCombo, 0.8), 1.0);
         private int totalHits => countGreat + countOk + countMeh + countMiss;
-        private int totalSuccessfulHits => countGreat + countOk + countMeh;
     }
 }

osu.Game.Rulesets.Osu/Difficulty/Skills/Aim.cs

@@ -25,7 +25,7 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Skills
 
         private double currentStrain;
 
-        private double skillMultiplier => 23.25;
+        private double skillMultiplier => 23.55;
         private double strainDecayBase => 0.15;
 
         private double strainDecay(double ms) => Math.Pow(strainDecayBase, ms / 1000);