Merge 67560f1d4d into be05f2a1c2

Account for rate changing mods when disabling the "Ready" button

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

@@ -52,6 +52,14 @@ namespace osu.Game.Rulesets.Osu.Difficulty
         [JsonProperty("speed_difficult_strain_count")]
         public double SpeedDifficultStrainCount { get; set; }
 
+        // DEV ATTRIBUTE - DO NOT STORE
+        [JsonProperty("aim_relevant_object_count")]
+        public double AimRelevantObjectCount { get; set; }
+
+        // DEV ATTRIBUTE - DO NOTE STORE
+        [JsonProperty("speed_relevant_object_count")]
+        public double SpeedRelevantObjectCount { get; set; }
+
         /// <summary>
         /// The perceived approach rate inclusive of rate-adjusting mods (DT/HT/etc).
         /// </summary>

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

@@ -46,24 +46,41 @@ namespace osu.Game.Rulesets.Osu.Difficulty
             if (mods.Any(h => h is OsuModFlashlight))
                 flashlightRating = Math.Sqrt(skills[3].DifficultyValue()) * difficulty_multiplier;
 
-            double sliderFactor = aimRating > 0 ? aimRatingNoSliders / aimRating : 1;
-
             double aimDifficultyStrainCount = ((OsuStrainSkill)skills[0]).CountTopWeightedStrains();
             double speedDifficultyStrainCount = ((OsuStrainSkill)skills[2]).CountTopWeightedStrains();
 
             if (mods.Any(m => m is OsuModTouchDevice))
             {
                 aimRating = Math.Pow(aimRating, 0.8);
+                aimRatingNoSliders = Math.Pow(aimRatingNoSliders, 0.8);
                 flashlightRating = Math.Pow(flashlightRating, 0.8);
             }
 
             if (mods.Any(h => h is OsuModRelax))
             {
                 aimRating *= 0.9;
+                aimRatingNoSliders *= 0.9;
                 speedRating = 0.0;
                 flashlightRating *= 0.7;
             }
 
+
+            double aimRelevantObjectCount = ((OsuStrainSkill)skills[0]).CountRelevantObjects();
+            double aimNoSlidersRelevantObjectCount = ((OsuStrainSkill)skills[1]).CountRelevantObjects();
+            double speedRelevantObjectCount = ((OsuStrainSkill)skills[2]).CountRelevantObjects();
+
+            double aimLengthBonus = (aimRelevantObjectCount < 25 ? 0.8 + aimRelevantObjectCount / 150.0 : 0.9 + Math.Min(1.5, aimRelevantObjectCount / 375.0) +
+                     (aimRelevantObjectCount > 562.5 ? Math.Log10(aimRelevantObjectCount / 562.5) : 0));
+            aimRating *= Math.Cbrt(aimLengthBonus);
+            double aimNoSlidersLengthBonus = (aimNoSlidersRelevantObjectCount < 25 ? 0.8 + aimNoSlidersRelevantObjectCount / 150.0 : 0.9 + aimNoSlidersRelevantObjectCount / 375.0);
+            aimRatingNoSliders *= Math.Cbrt(aimNoSlidersLengthBonus);
+
+            double speedLengthBonus = 0.9 + 0.5 * Math.Min(1.0, speedRelevantObjectCount / 500.0) +
+                     (speedRelevantObjectCount > 500 ? Math.Log10(speedRelevantObjectCount / 500.0) * 0.3 : 0.0);
+            speedRating *= Math.Cbrt(speedLengthBonus);
+
+            double sliderFactor = aimRating > 0 ? aimRatingNoSliders / aimRating : 1;
+
             double baseAimPerformance = OsuStrainSkill.DifficultyToPerformance(aimRating);
             double baseSpeedPerformance = OsuStrainSkill.DifficultyToPerformance(speedRating);
             double baseFlashlightPerformance = 0.0;
@@ -79,7 +96,7 @@ namespace osu.Game.Rulesets.Osu.Difficulty
                 );
 
             double starRating = basePerformance > 0.00001
-                ? Math.Cbrt(OsuPerformanceCalculator.PERFORMANCE_BASE_MULTIPLIER) * 0.027 * (Math.Cbrt(100000 / Math.Pow(2, 1 / 1.1) * basePerformance) + 4)
+                ? Math.Cbrt(OsuPerformanceCalculator.PERFORMANCE_BASE_MULTIPLIER) * 0.026 * (Math.Cbrt(100000 / Math.Pow(2, 1 / 1.1) * basePerformance) + 4)
                 : 0;
 
             double preempt = IBeatmapDifficultyInfo.DifficultyRange(beatmap.Difficulty.ApproachRate, 1800, 1200, 450) / clockRate;
@@ -105,6 +122,8 @@ namespace osu.Game.Rulesets.Osu.Difficulty
                 SliderFactor = sliderFactor,
                 AimDifficultStrainCount = aimDifficultyStrainCount,
                 SpeedDifficultStrainCount = speedDifficultyStrainCount,
+                AimRelevantObjectCount = aimRelevantObjectCount,
+                SpeedRelevantObjectCount = speedRelevantObjectCount,
                 ApproachRate = preempt > 1200 ? (1800 - preempt) / 120 : (1200 - preempt) / 150 + 5,
                 OverallDifficulty = (80 - hitWindowGreat) / 6,
                 DrainRate = drainRate,

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

@@ -14,7 +14,7 @@ namespace osu.Game.Rulesets.Osu.Difficulty
 {
     public class OsuPerformanceCalculator : PerformanceCalculator
     {
-        public const double PERFORMANCE_BASE_MULTIPLIER = 1.15; // This is being adjusted to keep the final pp value scaled around what it used to be when changing things.
+        public const double PERFORMANCE_BASE_MULTIPLIER = 1.152; // This is being adjusted to keep the final pp value scaled around what it used to be when changing things.
 
         private bool usingClassicSliderAccuracy;
 
@@ -137,10 +137,6 @@ namespace osu.Game.Rulesets.Osu.Difficulty
         {
             double aimValue = OsuStrainSkill.DifficultyToPerformance(attributes.AimDifficulty);
 
-            double lengthBonus = 0.95 + 0.4 * Math.Min(1.0, totalHits / 2000.0) +
-                                 (totalHits > 2000 ? Math.Log10(totalHits / 2000.0) * 0.5 : 0.0);
-            aimValue *= lengthBonus;
-
             if (effectiveMissCount > 0)
                 aimValue *= calculateMissPenalty(effectiveMissCount, attributes.AimDifficultStrainCount);
 
@@ -153,7 +149,7 @@ namespace osu.Game.Rulesets.Osu.Difficulty
             if (score.Mods.Any(h => h is OsuModRelax))
                 approachRateFactor = 0.0;
 
-            aimValue *= 1.0 + approachRateFactor * lengthBonus; // Buff for longer maps with high AR.
+            aimValue *= 1.0 + approachRateFactor;
 
             if (score.Mods.Any(m => m is OsuModBlinds))
                 aimValue *= 1.3 + (totalHits * (0.0016 / (1 + 2 * effectiveMissCount)) * Math.Pow(accuracy, 16)) * (1 - 0.003 * attributes.DrainRate * attributes.DrainRate);
@@ -201,10 +197,6 @@ namespace osu.Game.Rulesets.Osu.Difficulty
 
             double speedValue = OsuStrainSkill.DifficultyToPerformance(attributes.SpeedDifficulty);
 
-            double lengthBonus = 0.95 + 0.4 * Math.Min(1.0, totalHits / 2000.0) +
-                                 (totalHits > 2000 ? Math.Log10(totalHits / 2000.0) * 0.5 : 0.0);
-            speedValue *= lengthBonus;
-
             if (effectiveMissCount > 0)
                 speedValue *= calculateMissPenalty(effectiveMissCount, attributes.SpeedDifficultStrainCount);
 
@@ -212,7 +204,7 @@ namespace osu.Game.Rulesets.Osu.Difficulty
             if (attributes.ApproachRate > 10.33)
                 approachRateFactor = 0.3 * (attributes.ApproachRate - 10.33);
 
-            speedValue *= 1.0 + approachRateFactor * lengthBonus; // Buff for longer maps with high AR.
+            speedValue *= 1.0 + approachRateFactor;
 
             if (score.Mods.Any(m => m is OsuModBlinds))
             {

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

@@ -57,6 +57,22 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Skills
             return difficulty;
         }
 
+        /// <summary>
+        /// Returns the number of relevant objects weighted against the top strain.
+        /// </summary>
+        public double CountRelevantObjects()
+        {
+            double consistentTopStrain = DifficultyValue() / 10; // What would the top strain be if all strain values were identical
+            if (consistentTopStrain == 0)
+                return 0.0;
+
+            //Being consistently difficult for 1000 notes should be worth more than being consistently difficult for 100.
+            double totalStrains = ObjectStrains.Count;
+            double lengthFactor = 0.74 * Math.Pow(0.9987, totalStrains);
+            //// Use a weighted sum of all strains. Constants are arbitrary and give nice values
+            return ObjectStrains.Sum(s => (1.1 - lengthFactor)/ (1 + Math.Exp(-10 * (s / consistentTopStrain - 0.88 - lengthFactor / 4.0))));
+        }
+
         public static double DifficultyToPerformance(double difficulty) => Math.Pow(5.0 * Math.Max(1.0, difficulty / 0.0675) - 4.0, 3.0) / 100000.0;
     }
 }

osu.Game.Rulesets.Taiko/Difficulty/TaikoLegacyScoreSimulator.cs

@@ -144,6 +144,13 @@ namespace osu.Game.Rulesets.Taiko.Difficulty
                     foreach (var nested in hitObject.NestedHitObjects)
                         simulateHit(nested, ref attributes);
                     return;
+
+                case StrongNestedHitObject:
+                    // we never need to deal with these directly.
+                    // the only thing strong hits do in terms of scoring is double their object's score increase,
+                    // which is already handled at the parent object level via the `strongable.IsStrong` check lower down in this method.
+                    // not handling these here can lead to them falsely being counted as combo-increasing when handling strong drum rolls!
+                    return;
             }
 
             if (hitObject is DrumRollTick tick)

osu.Game.Tests/Visual/Playlists/TestScenePlaylistsRoomSubScreen.cs

@@ -5,25 +5,64 @@ using System;
 using System.Linq;
 using NUnit.Framework;
 using osu.Framework.Allocation;
+using osu.Framework.Audio;
+using osu.Framework.Extensions;
+using osu.Framework.Platform;
 using osu.Framework.Screens;
 using osu.Framework.Testing;
+using osu.Game.Beatmaps;
 using osu.Game.Graphics.UserInterface;
 using osu.Game.Online.API;
 using osu.Game.Online.API.Requests.Responses;
 using osu.Game.Online.Rooms;
 using osu.Game.Online.Rooms.RoomStatuses;
+using osu.Game.Rulesets;
+using osu.Game.Rulesets.Osu.Mods;
+using osu.Game.Scoring;
 using osu.Game.Screens.OnlinePlay.Playlists;
+using osu.Game.Tests.Resources;
 using osu.Game.Tests.Visual.OnlinePlay;
 
 namespace osu.Game.Tests.Visual.Playlists
 {
     public partial class TestScenePlaylistsRoomSubScreen : OnlinePlayTestScene
     {
+        private const double track_length = 10000;
+
         [Resolved]
         private IAPIProvider api { get; set; } = null!;
 
         protected new TestRoomManager RoomManager => (TestRoomManager)base.RoomManager;
 
+        private BeatmapManager beatmaps = null!;
+        private RulesetStore rulesets = null!;
+        private BeatmapSetInfo? importedSet;
+
+        [BackgroundDependencyLoader]
+        private void load(GameHost host, AudioManager audio)
+        {
+            Dependencies.Cache(rulesets = new RealmRulesetStore(Realm));
+            Dependencies.Cache(beatmaps = new BeatmapManager(LocalStorage, Realm, null, audio, Resources, host, Beatmap.Default));
+            Dependencies.Cache(new ScoreManager(rulesets, () => beatmaps, LocalStorage, Realm, API));
+            Dependencies.Cache(Realm);
+
+            beatmaps.Import(TestResources.GetQuickTestBeatmapForImport()).WaitSafely();
+
+            Realm.Write(r =>
+            {
+                foreach (var set in r.All<BeatmapSetInfo>())
+                {
+                    foreach (var b in set.Beatmaps)
+                    {
+                        // These will all have a virtual track length of 1000, see WorkingBeatmap.GetVirtualTrack().
+                        b.Length = track_length - 1000;
+                    }
+                }
+            });
+
+            importedSet = beatmaps.GetAllUsableBeatmapSets().First();
+        }
+
         [Test]
         public void TestStatusUpdateOnEnter()
         {
@@ -69,5 +108,42 @@ namespace osu.Game.Tests.Visual.Playlists
             AddAssert("close button present", () => roomScreen.ChildrenOfType<DangerousRoundedButton>().Any());
             AddUntilStep("wait for close button to disappear", () => !roomScreen.ChildrenOfType<DangerousRoundedButton>().Any());
         }
+
+        [TestCase(120_000, true)] // Definitely enough time.
+        [TestCase(45_000, true)] // Enough time.
+        [TestCase(35_000, false)] // Not enough time to complete beatmap after lenience.
+        [TestCase(20_000, false)] // Not enough time.
+        [TestCase(5_000, false)] // Not enough time to complete beatmap before lenience.
+        [TestCase(37_500, true, 2)] // Enough time to complete beatmap after mods are applied.
+        public void TestReadyButtonEnablementPeriod(int offsetMs, bool enabled, double rate = 1)
+        {
+            Room room = null!;
+            PlaylistsRoomSubScreen roomScreen = null!;
+
+            AddStep("create room", () =>
+            {
+                RoomManager.AddRoom(room = new Room
+                {
+                    Name = @"Test Room",
+                    Host = api.LocalUser.Value,
+                    Category = RoomCategory.Normal,
+                    StartDate = DateTimeOffset.Now,
+                    EndDate = DateTimeOffset.Now.AddMilliseconds(offsetMs),
+                    Playlist =
+                    [
+                        new PlaylistItem(importedSet!.Beatmaps[0])
+                        {
+                            RequiredMods = rate == 1
+                                ? []
+                                : [new APIMod(new OsuModDoubleTime { SpeedChange = { Value = rate } })]
+                        }
+                    ]
+                });
+            });
+
+            AddStep("push screen", () => LoadScreen(roomScreen = new PlaylistsRoomSubScreen(room)));
+            AddUntilStep("wait for screen load", () => roomScreen.IsCurrentScreen());
+            AddUntilStep("ready button enabled", () => roomScreen.ChildrenOfType<PlaylistsReadyButton>().SingleOrDefault()?.Enabled.Value, () => Is.EqualTo(enabled));
+        }
     }
 }

osu.Game/Screens/OnlinePlay/Playlists/PlaylistsReadyButton.cs

@@ -2,6 +2,7 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System;
+using System.Collections.Generic;
 using System.ComponentModel;
 using System.Linq;
 using osu.Framework.Allocation;
@@ -10,7 +11,9 @@ using osu.Framework.Localisation;
 using osu.Game.Beatmaps;
 using osu.Game.Graphics;
 using osu.Game.Online.Rooms;
+using osu.Game.Rulesets.Mods;
 using osu.Game.Screens.OnlinePlay.Components;
+using osu.Game.Utils;
 
 namespace osu.Game.Screens.OnlinePlay.Playlists
 {
@@ -19,6 +22,9 @@ namespace osu.Game.Screens.OnlinePlay.Playlists
         [Resolved]
         private IBindable<WorkingBeatmap> gameBeatmap { get; set; } = null!;
 
+        [Resolved]
+        private IBindable<IReadOnlyList<Mod>> mods { get; set; } = null!;
+
         private readonly Room room;
 
         public PlaylistsReadyButton(Room room)
@@ -63,14 +69,14 @@ namespace osu.Game.Screens.OnlinePlay.Playlists
         {
             base.Update();
 
-            Enabled.Value = hasRemainingAttempts && enoughTimeLeft;
+            Enabled.Value = hasRemainingAttempts && enoughTimeLeft();
         }
 
         public override LocalisableString TooltipText
         {
             get
             {
-                if (!enoughTimeLeft)
+                if (!enoughTimeLeft())
                     return "No time left!";
 
                 if (!hasRemainingAttempts)
@@ -80,9 +86,17 @@ namespace osu.Game.Screens.OnlinePlay.Playlists
             }
         }
 
-        private bool enoughTimeLeft =>
-            // This should probably consider the length of the currently selected item, rather than a constant 30 seconds.
-            room.EndDate != null && DateTimeOffset.UtcNow.AddSeconds(30).AddMilliseconds(gameBeatmap.Value.Track.Length) < room.EndDate;
+        private bool enoughTimeLeft()
+        {
+            double rate = ModUtils.CalculateRateWithMods(mods.Value);
+
+            // We want to avoid users not being able to submit scores if they chose to not skip,
+            // so track length is chosen over playable length.
+            double trackLength = Math.Round(gameBeatmap.Value.Track.Length / rate);
+
+            // Additional 30 second delay added to account for load and/or submit time.
+            return room.EndDate != null && DateTimeOffset.UtcNow.AddSeconds(30).AddMilliseconds(trackLength) < room.EndDate;
+        }
 
         protected override void Dispose(bool isDisposing)
         {

osu.Game/Screens/Select/BeatmapInfoWedge.cs

@@ -401,7 +401,6 @@ namespace osu.Game.Screens.Select
                 if (beatmap == null || bpmLabelContainer == null)
                     return;
 
-                // this doesn't consider mods which apply variable rates, yet.
                 double rate = ModUtils.CalculateRateWithMods(mods.Value);
 
                 int bpmMax = FormatUtils.RoundBPM(beatmap.ControlPointInfo.BPMMaximum, rate);

osu.Game/Utils/ModUtils.cs

@@ -286,6 +286,7 @@ namespace osu.Game.Utils
         {
             double rate = 1;
 
+            // TODO: This doesn't consider mods which apply variable rates, yet.
             foreach (var mod in mods.OfType<IApplicableToRate>())
                 rate = mod.ApplyToRate(0, rate);