Merge branch 'master' into preset-td-autoplay

osu.Game.Rulesets.Osu.Tests/Editor/TestScenePathControlPointVisualiser.cs

@@ -30,23 +30,6 @@ namespace osu.Game.Rulesets.Osu.Tests.Editor
             slider.ApplyDefaults(new ControlPointInfo(), new BeatmapDifficulty());
         });
 
-        [Test]
-        public void TestAddOverlappingControlPoints()
-        {
-            createVisualiser(true);
-
-            addControlPointStep(new Vector2(200));
-            addControlPointStep(new Vector2(300));
-            addControlPointStep(new Vector2(300));
-            addControlPointStep(new Vector2(500, 300));
-
-            AddAssert("last connection displayed", () =>
-            {
-                var lastConnection = visualiser.Connections.Last(c => c.ControlPoint.Position == new Vector2(300));
-                return lastConnection.DrawWidth > 50;
-            });
-        }
-
         [Test]
         public void TestPerfectCurveTooManyPoints()
         {
@@ -194,24 +177,6 @@ namespace osu.Game.Rulesets.Osu.Tests.Editor
                 addAssertPointPositionChanged(points, i);
         }
 
-        [Test]
-        public void TestStackingUpdatesConnectionPosition()
-        {
-            createVisualiser(true);
-
-            Vector2 connectionPosition;
-            addControlPointStep(connectionPosition = new Vector2(300));
-            addControlPointStep(new Vector2(600));
-
-            // Apply a big number in stacking so the person running the test can clearly see if it fails
-            AddStep("apply stacking", () => slider.StackHeightBindable.Value += 10);
-
-            AddAssert($"Connection at {connectionPosition} changed",
-                () => visualiser.Connections[0].Position,
-                () => !Is.EqualTo(connectionPosition)
-            );
-        }
-
         private void addAssertPointPositionChanged(Vector2[] points, int index)
         {
             AddAssert($"Point at {points.ElementAt(index)} changed",

osu.Game.Rulesets.Osu/Edit/Blueprints/Sliders/Components/PathControlPointConnection.cs

@@ -4,10 +4,7 @@
 #nullable disable
 
 using osu.Framework.Bindables;
-using osu.Framework.Graphics;
-using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Lines;
-using osu.Game.Rulesets.Objects;
 using osu.Game.Rulesets.Objects.Types;
 using osu.Game.Rulesets.Osu.Objects;
 using osuTK;
@@ -15,36 +12,21 @@ using osuTK;
 namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components
 {
     /// <summary>
-    /// A visualisation of the line between two <see cref="PathControlPointPiece{T}"/>s.
+    /// A visualisation of the lines between <see cref="PathControlPointPiece{T}"/>s.
     /// </summary>
-    /// <typeparam name="T">The type of <see cref="OsuHitObject"/> which this <see cref="PathControlPointConnectionPiece{T}"/> visualises.</typeparam>
-    public partial class PathControlPointConnectionPiece<T> : CompositeDrawable where T : OsuHitObject, IHasPath
+    /// <typeparam name="T">The type of <see cref="OsuHitObject"/> which this <see cref="PathControlPointConnection{T}"/> visualises.</typeparam>
+    public partial class PathControlPointConnection<T> : SmoothPath where T : OsuHitObject, IHasPath
     {
-        public readonly PathControlPoint ControlPoint;
-
-        private readonly Path path;
         private readonly T hitObject;
-        public int ControlPointIndex { get; set; }
 
         private IBindable<Vector2> hitObjectPosition;
         private IBindable<int> pathVersion;
         private IBindable<int> stackHeight;
 
-        public PathControlPointConnectionPiece(T hitObject, int controlPointIndex)
+        public PathControlPointConnection(T hitObject)
         {
             this.hitObject = hitObject;
-            ControlPointIndex = controlPointIndex;
-
-            Origin = Anchor.Centre;
-            AutoSizeAxes = Axes.Both;
-
-            ControlPoint = hitObject.Path.ControlPoints[controlPointIndex];
-
-            InternalChild = path = new SmoothPath
-            {
-                Anchor = Anchor.Centre,
-                PathRadius = 1
-            };
+            PathRadius = 1;
         }
 
         protected override void LoadComplete()
@@ -68,18 +50,14 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components
         /// </summary>
         private void updateConnectingPath()
         {
-            Position = hitObject.StackedPosition + ControlPoint.Position;
+            Position = hitObject.StackedPosition;
 
-            path.ClearVertices();
+            ClearVertices();
 
-            int nextIndex = ControlPointIndex + 1;
-            if (nextIndex == 0 || nextIndex >= hitObject.Path.ControlPoints.Count)
-                return;
+            foreach (var controlPoint in hitObject.Path.ControlPoints)
+                AddVertex(controlPoint.Position);
 
-            path.AddVertex(Vector2.Zero);
-            path.AddVertex(hitObject.Path.ControlPoints[nextIndex].Position - ControlPoint.Position);
-
-            path.OriginPosition = path.PositionInBoundingBox(Vector2.Zero);
+            OriginPosition = PositionInBoundingBox(Vector2.Zero);
         }
     }
 }

osu.Game.Rulesets.Osu/Edit/Blueprints/Sliders/Components/PathControlPointVisualiser.cs

@@ -37,7 +37,6 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components
         public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => true; // allow context menu to appear outside of the playfield.
 
         internal readonly Container<PathControlPointPiece<T>> Pieces;
-        internal readonly Container<PathControlPointConnectionPiece<T>> Connections;
 
         private readonly IBindableList<PathControlPoint> controlPoints = new BindableList<PathControlPoint>();
         private readonly T hitObject;
@@ -63,7 +62,7 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components
 
             InternalChildren = new Drawable[]
             {
-                Connections = new Container<PathControlPointConnectionPiece<T>> { RelativeSizeAxes = Axes.Both },
+                new PathControlPointConnection<T>(hitObject),
                 Pieces = new Container<PathControlPointPiece<T>> { RelativeSizeAxes = Axes.Both }
             };
         }
@@ -78,6 +77,9 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components
             controlPoints.BindTo(hitObject.Path.ControlPoints);
         }
 
+        // Generally all the control points are within the visible area all the time.
+        public override bool UpdateSubTreeMasking(Drawable source, RectangleF maskingBounds) => true;
+
         /// <summary>
         /// Handles correction of invalid path types.
         /// </summary>
@@ -185,17 +187,6 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components
                 case NotifyCollectionChangedAction.Add:
                     Debug.Assert(e.NewItems != null);
 
-                    // If inserting in the path (not appending),
-                    // update indices of existing connections after insert location
-                    if (e.NewStartingIndex < Pieces.Count)
-                    {
-                        foreach (var connection in Connections)
-                        {
-                            if (connection.ControlPointIndex >= e.NewStartingIndex)
-                                connection.ControlPointIndex += e.NewItems.Count;
-                        }
-                    }
-
                     for (int i = 0; i < e.NewItems.Count; i++)
                     {
                         var point = (PathControlPoint)e.NewItems[i];
@@ -209,8 +200,6 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components
                             d.DragInProgress = DragInProgress;
                             d.DragEnded = DragEnded;
                         }));
-
-                        Connections.Add(new PathControlPointConnectionPiece<T>(hitObject, e.NewStartingIndex + i));
                     }
 
                     break;
@@ -222,19 +211,6 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components
                     {
                         foreach (var piece in Pieces.Where(p => p.ControlPoint == point).ToArray())
                             piece.RemoveAndDisposeImmediately();
-                        foreach (var connection in Connections.Where(c => c.ControlPoint == point).ToArray())
-                            connection.RemoveAndDisposeImmediately();
-                    }
-
-                    // If removing before the end of the path,
-                    // update indices of connections after remove location
-                    if (e.OldStartingIndex < Pieces.Count)
-                    {
-                        foreach (var connection in Connections)
-                        {
-                            if (connection.ControlPointIndex >= e.OldStartingIndex)
-                                connection.ControlPointIndex -= e.OldItems.Count;
-                        }
                     }
 
                     break;

osu.Game.Tests/Scores/IO/ImportScoreTest.cs

@@ -15,6 +15,7 @@ using osu.Game.Beatmaps;
 using osu.Game.Database;
 using osu.Game.IO.Archives;
 using osu.Game.Online.API;
+using osu.Game.Online.API.Requests;
 using osu.Game.Online.API.Requests.Responses;
 using osu.Game.Rulesets.Mods;
 using osu.Game.Rulesets.Osu;
@@ -23,6 +24,7 @@ using osu.Game.Rulesets.Scoring;
 using osu.Game.Scoring;
 using osu.Game.Tests.Beatmaps.IO;
 using osu.Game.Tests.Resources;
+using osu.Game.Users;
 
 namespace osu.Game.Tests.Scores.IO
 {
@@ -284,6 +286,196 @@ namespace osu.Game.Tests.Scores.IO
             }
         }
 
+        [Test]
+        public void TestUserLookedUpForOnlineScore()
+        {
+            using (HeadlessGameHost host = new CleanRunHeadlessGameHost())
+            {
+                try
+                {
+                    var osu = LoadOsuIntoHost(host, true);
+
+                    var api = (DummyAPIAccess)osu.API;
+                    api.HandleRequest = req =>
+                    {
+                        switch (req)
+                        {
+                            case GetUserRequest userRequest:
+                                userRequest.TriggerSuccess(new APIUser
+                                {
+                                    Username = "Test user",
+                                    CountryCode = CountryCode.JP,
+                                    Id = 1234
+                                });
+                                return true;
+
+                            default:
+                                return false;
+                        }
+                    };
+
+                    var beatmap = BeatmapImportHelper.LoadOszIntoOsu(osu, TestResources.GetQuickTestBeatmapForImport()).GetResultSafely();
+
+                    var toImport = new ScoreInfo
+                    {
+                        Rank = ScoreRank.B,
+                        TotalScore = 987654,
+                        Accuracy = 0.8,
+                        MaxCombo = 500,
+                        Combo = 250,
+                        User = new APIUser { Username = "Test user" },
+                        Date = DateTimeOffset.Now,
+                        OnlineID = 12345,
+                        Ruleset = new OsuRuleset().RulesetInfo,
+                        BeatmapInfo = beatmap.Beatmaps.First()
+                    };
+
+                    var imported = LoadScoreIntoOsu(osu, toImport);
+
+                    Assert.AreEqual(toImport.Rank, imported.Rank);
+                    Assert.AreEqual(toImport.TotalScore, imported.TotalScore);
+                    Assert.AreEqual(toImport.Accuracy, imported.Accuracy);
+                    Assert.AreEqual(toImport.MaxCombo, imported.MaxCombo);
+                    Assert.AreEqual(toImport.User.Username, imported.User.Username);
+                    Assert.AreEqual(toImport.Date, imported.Date);
+                    Assert.AreEqual(toImport.OnlineID, imported.OnlineID);
+                    Assert.AreEqual(toImport.User.Username, imported.RealmUser.Username);
+                    Assert.AreEqual(1234, imported.RealmUser.OnlineID);
+                }
+                finally
+                {
+                    host.Exit();
+                }
+            }
+        }
+
+        [Test]
+        public void TestUserLookedUpForLegacyOnlineScore()
+        {
+            using (HeadlessGameHost host = new CleanRunHeadlessGameHost())
+            {
+                try
+                {
+                    var osu = LoadOsuIntoHost(host, true);
+
+                    var api = (DummyAPIAccess)osu.API;
+                    api.HandleRequest = req =>
+                    {
+                        switch (req)
+                        {
+                            case GetUserRequest userRequest:
+                                userRequest.TriggerSuccess(new APIUser
+                                {
+                                    Username = "Test user",
+                                    CountryCode = CountryCode.JP,
+                                    Id = 1234
+                                });
+                                return true;
+
+                            default:
+                                return false;
+                        }
+                    };
+
+                    var beatmap = BeatmapImportHelper.LoadOszIntoOsu(osu, TestResources.GetQuickTestBeatmapForImport()).GetResultSafely();
+
+                    var toImport = new ScoreInfo
+                    {
+                        Rank = ScoreRank.B,
+                        TotalScore = 987654,
+                        Accuracy = 0.8,
+                        MaxCombo = 500,
+                        Combo = 250,
+                        User = new APIUser { Username = "Test user" },
+                        Date = DateTimeOffset.Now,
+                        LegacyOnlineID = 12345,
+                        Ruleset = new OsuRuleset().RulesetInfo,
+                        BeatmapInfo = beatmap.Beatmaps.First()
+                    };
+
+                    var imported = LoadScoreIntoOsu(osu, toImport);
+
+                    Assert.AreEqual(toImport.Rank, imported.Rank);
+                    Assert.AreEqual(toImport.TotalScore, imported.TotalScore);
+                    Assert.AreEqual(toImport.Accuracy, imported.Accuracy);
+                    Assert.AreEqual(toImport.MaxCombo, imported.MaxCombo);
+                    Assert.AreEqual(toImport.User.Username, imported.User.Username);
+                    Assert.AreEqual(toImport.Date, imported.Date);
+                    Assert.AreEqual(toImport.OnlineID, imported.OnlineID);
+                    Assert.AreEqual(toImport.User.Username, imported.RealmUser.Username);
+                    Assert.AreEqual(1234, imported.RealmUser.OnlineID);
+                }
+                finally
+                {
+                    host.Exit();
+                }
+            }
+        }
+
+        [Test]
+        public void TestUserNotLookedUpForOfflineScore()
+        {
+            using (HeadlessGameHost host = new CleanRunHeadlessGameHost())
+            {
+                try
+                {
+                    var osu = LoadOsuIntoHost(host, true);
+
+                    var api = (DummyAPIAccess)osu.API;
+                    api.HandleRequest = req =>
+                    {
+                        switch (req)
+                        {
+                            case GetUserRequest userRequest:
+                                userRequest.TriggerSuccess(new APIUser
+                                {
+                                    Username = "Test user",
+                                    CountryCode = CountryCode.JP,
+                                    Id = 1234
+                                });
+                                return true;
+
+                            default:
+                                return false;
+                        }
+                    };
+
+                    var beatmap = BeatmapImportHelper.LoadOszIntoOsu(osu, TestResources.GetQuickTestBeatmapForImport()).GetResultSafely();
+
+                    var toImport = new ScoreInfo
+                    {
+                        Rank = ScoreRank.B,
+                        TotalScore = 987654,
+                        Accuracy = 0.8,
+                        MaxCombo = 500,
+                        Combo = 250,
+                        User = new APIUser { Username = "Test user" },
+                        Date = DateTimeOffset.Now,
+                        OnlineID = -1,
+                        LegacyOnlineID = -1,
+                        Ruleset = new OsuRuleset().RulesetInfo,
+                        BeatmapInfo = beatmap.Beatmaps.First()
+                    };
+
+                    var imported = LoadScoreIntoOsu(osu, toImport);
+
+                    Assert.AreEqual(toImport.Rank, imported.Rank);
+                    Assert.AreEqual(toImport.TotalScore, imported.TotalScore);
+                    Assert.AreEqual(toImport.Accuracy, imported.Accuracy);
+                    Assert.AreEqual(toImport.MaxCombo, imported.MaxCombo);
+                    Assert.AreEqual(toImport.User.Username, imported.User.Username);
+                    Assert.AreEqual(toImport.Date, imported.Date);
+                    Assert.AreEqual(toImport.OnlineID, imported.OnlineID);
+                    Assert.AreEqual(toImport.User.Username, imported.RealmUser.Username);
+                    Assert.That(imported.RealmUser.OnlineID, Is.LessThanOrEqualTo(1));
+                }
+                finally
+                {
+                    host.Exit();
+                }
+            }
+        }
+
         public static ScoreInfo LoadScoreIntoOsu(OsuGameBase osu, ScoreInfo score, ArchiveReader archive = null)
         {
             // clone to avoid attaching the input score to realm.

osu.Game.Tests/Visual/Gameplay/TestSceneDrawableStoryboardSprite.cs

@@ -85,8 +85,8 @@ namespace osu.Game.Tests.Visual.Gameplay
 
                 if (scaleTransformProvided)
                 {
-                    sprite.TimelineGroup.Scale.Add(Easing.None, Time.Current, Time.Current + 1000, 1, 2);
-                    sprite.TimelineGroup.Scale.Add(Easing.None, Time.Current + 1000, Time.Current + 2000, 2, 1);
+                    sprite.Commands.AddScale(Easing.None, Time.Current, Time.Current + 1000, 1, 2);
+                    sprite.Commands.AddScale(Easing.None, Time.Current + 1000, Time.Current + 2000, 2, 1);
                 }
 
                 layer.Elements.Clear();
@@ -211,7 +211,8 @@ namespace osu.Game.Tests.Visual.Gameplay
             var layer = storyboard.GetLayer("Background");
 
             var sprite = new StoryboardSprite(lookupName, origin, initialPosition);
-            sprite.AddLoop(Time.Current, 100).Alpha.Add(Easing.None, 0, 10000, 1, 1);
+            var loop = sprite.AddLoopingGroup(Time.Current, 100);
+            loop.AddAlpha(Easing.None, 0, 10000, 1, 1);
 
             layer.Elements.Clear();
             layer.Add(sprite);

osu.Game.Tests/Visual/Gameplay/TestSceneLeadIn.cs

@@ -47,7 +47,7 @@ namespace osu.Game.Tests.Visual.Gameplay
 
             var sprite = new StoryboardSprite("unknown", Anchor.TopLeft, Vector2.Zero);
 
-            sprite.TimelineGroup.Alpha.Add(Easing.None, firstStoryboardEvent, firstStoryboardEvent + 500, 0, 1);
+            sprite.Commands.AddAlpha(Easing.None, firstStoryboardEvent, firstStoryboardEvent + 500, 0, 1);
 
             storyboard.GetLayer("Background").Add(sprite);
 
@@ -73,17 +73,17 @@ namespace osu.Game.Tests.Visual.Gameplay
             var sprite = new StoryboardSprite("unknown", Anchor.TopLeft, Vector2.Zero);
 
             // these should be ignored as we have an alpha visibility blocker proceeding this command.
-            sprite.TimelineGroup.Scale.Add(Easing.None, loop_start_time, -18000, 0, 1);
-            var loopGroup = sprite.AddLoop(loop_start_time, 50);
-            loopGroup.Scale.Add(Easing.None, loop_start_time, -18000, 0, 1);
+            sprite.Commands.AddScale(Easing.None, loop_start_time, -18000, 0, 1);
+            var loopGroup = sprite.AddLoopingGroup(loop_start_time, 50);
+            loopGroup.AddScale(Easing.None, loop_start_time, -18000, 0, 1);
 
-            var target = addEventToLoop ? loopGroup : sprite.TimelineGroup;
+            var target = addEventToLoop ? loopGroup : sprite.Commands;
             double loopRelativeOffset = addEventToLoop ? -loop_start_time : 0;
-            target.Alpha.Add(Easing.None, loopRelativeOffset + firstStoryboardEvent, loopRelativeOffset + firstStoryboardEvent + 500, 0, 1);
+            target.AddAlpha(Easing.None, loopRelativeOffset + firstStoryboardEvent, loopRelativeOffset + firstStoryboardEvent + 500, 0, 1);
 
             // these should be ignored due to being in the future.
-            sprite.TimelineGroup.Alpha.Add(Easing.None, 18000, 20000, 0, 1);
-            loopGroup.Alpha.Add(Easing.None, 38000, 40000, 0, 1);
+            sprite.Commands.AddAlpha(Easing.None, 18000, 20000, 0, 1);
+            loopGroup.AddAlpha(Easing.None, 38000, 40000, 0, 1);
 
             storyboard.GetLayer("Background").Add(sprite);
 

osu.Game.Tests/Visual/Gameplay/TestSceneStoryboardCommands.cs

@@ -0,0 +1,264 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using NUnit.Framework;
+using osu.Framework.Allocation;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Shapes;
+using osu.Framework.Graphics.Sprites;
+using osu.Framework.IO.Stores;
+using osu.Framework.Testing;
+using osu.Framework.Timing;
+using osu.Game.Graphics.Sprites;
+using osu.Game.Rulesets.Mods;
+using osu.Game.Storyboards;
+using osu.Game.Storyboards.Drawables;
+using osu.Game.Tests.Resources;
+using osuTK;
+
+namespace osu.Game.Tests.Visual.Gameplay
+{
+    public partial class TestSceneStoryboardCommands : OsuTestScene
+    {
+        [Cached(typeof(Storyboard))]
+        private TestStoryboard storyboard { get; set; } = new TestStoryboard
+        {
+            UseSkinSprites = false,
+            AlwaysProvideTexture = true,
+        };
+
+        private readonly ManualClock manualClock = new ManualClock { Rate = 1, IsRunning = true };
+        private int clockDirection;
+
+        private const string lookup_name = "hitcircleoverlay";
+        private const double clock_limit = 2500;
+
+        protected override Container<Drawable> Content => content;
+
+        private Container content = null!;
+        private SpriteText timelineText = null!;
+        private Box timelineMarker = null!;
+
+        [BackgroundDependencyLoader]
+        private void load()
+        {
+            base.Content.Children = new Drawable[]
+            {
+                content = new Container
+                {
+                    RelativeSizeAxes = Axes.Both,
+                },
+                timelineText = new OsuSpriteText
+                {
+                    Anchor = Anchor.BottomLeft,
+                    Origin = Anchor.BottomLeft,
+                    Margin = new MarginPadding { Bottom = 60 },
+                },
+                timelineMarker = new Box
+                {
+                    Anchor = Anchor.BottomLeft,
+                    Origin = Anchor.BottomCentre,
+                    RelativePositionAxes = Axes.X,
+                    Size = new Vector2(2, 50),
+                },
+            };
+        }
+
+        [SetUpSteps]
+        public void SetUpSteps()
+        {
+            AddStep("start clock", () => clockDirection = 1);
+            AddStep("pause clock", () => clockDirection = 0);
+            AddStep("set clock = 0", () => manualClock.CurrentTime = 0);
+        }
+
+        [Test]
+        public void TestNormalCommandPlayback()
+        {
+            AddStep("create storyboard", () => Child = createStoryboard(s =>
+            {
+                s.Commands.AddY(Easing.OutBounce, 500, 900, 100, 240);
+                s.Commands.AddY(Easing.OutQuint, 1100, 1500, 240, 100);
+            }));
+
+            assert(0, 100);
+            assert(500, 100);
+            assert(1000, 240);
+            assert(1500, 100);
+            assert(clock_limit, 100);
+            assert(1500, 100);
+            assert(1000, 240);
+            assert(500, 100);
+            assert(0, 100);
+
+            void assert(double time, double y)
+            {
+                AddStep($"set clock = {time}", () => manualClock.CurrentTime = time);
+                AddAssert($"sprite y = {y} at t = {time}", () => this.ChildrenOfType<DrawableStoryboardSprite>().Single().Y == y);
+            }
+        }
+
+        [Test]
+        public void TestLoopingCommandsPlayback()
+        {
+            AddStep("create storyboard", () => Child = createStoryboard(s =>
+            {
+                var loop = s.AddLoopingGroup(250, 1);
+                loop.AddY(Easing.OutBounce, 0, 400, 100, 240);
+                loop.AddY(Easing.OutQuint, 600, 1000, 240, 100);
+            }));
+
+            assert(0, 100);
+            assert(250, 100);
+            assert(850, 240);
+            assert(1250, 100);
+            assert(1850, 240);
+            assert(2250, 100);
+            assert(clock_limit, 100);
+            assert(2250, 100);
+            assert(1850, 240);
+            assert(1250, 100);
+            assert(850, 240);
+            assert(250, 100);
+            assert(0, 100);
+
+            void assert(double time, double y)
+            {
+                AddStep($"set clock = {time}", () => manualClock.CurrentTime = time);
+                AddAssert($"sprite y = {y} at t = {time}", () => this.ChildrenOfType<DrawableStoryboardSprite>().Single().Y == y);
+            }
+        }
+
+        [Test]
+        public void TestLoopManyTimes()
+        {
+            AddStep("create storyboard", () => Child = createStoryboard(s =>
+            {
+                var loop = s.AddLoopingGroup(500, 10000);
+                loop.AddY(Easing.OutBounce, 0, 60, 100, 240);
+                loop.AddY(Easing.OutQuint, 80, 120, 240, 100);
+            }));
+        }
+
+        [Test]
+        public void TestParameterTemporaryEffect()
+        {
+            AddStep("create storyboard", () => Child = createStoryboard(s =>
+            {
+                s.Commands.AddFlipV(Easing.None, 1000, 1500, true, false);
+            }));
+
+            AddAssert("sprite not flipped at t = 0", () => !this.ChildrenOfType<DrawableStoryboardSprite>().Single().FlipV);
+
+            AddStep("set clock = 1250", () => manualClock.CurrentTime = 1250);
+            AddAssert("sprite flipped at t = 1250", () => this.ChildrenOfType<DrawableStoryboardSprite>().Single().FlipV);
+
+            AddStep("set clock = 2000", () => manualClock.CurrentTime = 2000);
+            AddAssert("sprite not flipped at t = 2000", () => !this.ChildrenOfType<DrawableStoryboardSprite>().Single().FlipV);
+
+            AddStep("resume clock", () => clockDirection = 1);
+        }
+
+        [Test]
+        public void TestParameterPermanentEffect()
+        {
+            AddStep("create storyboard", () => Child = createStoryboard(s =>
+            {
+                s.Commands.AddFlipV(Easing.None, 1000, 1000, true, true);
+            }));
+
+            AddAssert("sprite flipped at t = 0", () => this.ChildrenOfType<DrawableStoryboardSprite>().Single().FlipV);
+
+            AddStep("set clock = 1250", () => manualClock.CurrentTime = 1250);
+            AddAssert("sprite flipped at t = 1250", () => this.ChildrenOfType<DrawableStoryboardSprite>().Single().FlipV);
+
+            AddStep("set clock = 2000", () => manualClock.CurrentTime = 2000);
+            AddAssert("sprite flipped at t = 2000", () => this.ChildrenOfType<DrawableStoryboardSprite>().Single().FlipV);
+
+            AddStep("resume clock", () => clockDirection = 1);
+        }
+
+        protected override void Update()
+        {
+            base.Update();
+
+            if (manualClock.CurrentTime > clock_limit || manualClock.CurrentTime < 0)
+                clockDirection = -clockDirection;
+
+            manualClock.CurrentTime += Time.Elapsed * clockDirection;
+            timelineText.Text = $"Time: {manualClock.CurrentTime:0}ms";
+            timelineMarker.X = (float)(manualClock.CurrentTime / clock_limit);
+        }
+
+        private DrawableStoryboard createStoryboard(Action<StoryboardSprite>? addCommands = null)
+        {
+            var layer = storyboard.GetLayer("Background");
+
+            var sprite = new StoryboardSprite(lookup_name, Anchor.Centre, new Vector2(320, 240));
+            sprite.Commands.AddScale(Easing.None, 0, clock_limit, 0.5f, 0.5f);
+            sprite.Commands.AddAlpha(Easing.None, 0, clock_limit, 1, 1);
+            addCommands?.Invoke(sprite);
+
+            layer.Elements.Clear();
+            layer.Add(sprite);
+
+            return storyboard.CreateDrawable().With(c => c.Clock = new FramedClock(manualClock));
+        }
+
+        private partial class TestStoryboard : Storyboard
+        {
+            public override DrawableStoryboard CreateDrawable(IReadOnlyList<Mod>? mods = null)
+            {
+                return new TestDrawableStoryboard(this, mods);
+            }
+
+            public bool AlwaysProvideTexture { get; set; }
+
+            public override string GetStoragePathFromStoryboardPath(string path) => AlwaysProvideTexture ? path : string.Empty;
+
+            private partial class TestDrawableStoryboard : DrawableStoryboard
+            {
+                private readonly bool alwaysProvideTexture;
+
+                public TestDrawableStoryboard(TestStoryboard storyboard, IReadOnlyList<Mod>? mods)
+                    : base(storyboard, mods)
+                {
+                    alwaysProvideTexture = storyboard.AlwaysProvideTexture;
+                }
+
+                protected override IResourceStore<byte[]> CreateResourceLookupStore() => alwaysProvideTexture
+                    ? new AlwaysReturnsTextureStore()
+                    : new ResourceStore<byte[]>();
+
+                internal class AlwaysReturnsTextureStore : IResourceStore<byte[]>
+                {
+                    private const string test_image = "Resources/Textures/test-image.png";
+
+                    private readonly DllResourceStore store;
+
+                    public AlwaysReturnsTextureStore()
+                    {
+                        store = TestResources.GetStore();
+                    }
+
+                    public void Dispose() => store.Dispose();
+
+                    public byte[] Get(string name) => store.Get(test_image);
+
+                    public Task<byte[]> GetAsync(string name, CancellationToken cancellationToken = new CancellationToken()) => store.GetAsync(test_image, cancellationToken);
+
+                    public Stream GetStream(string name) => store.GetStream(test_image);
+
+                    public IEnumerable<string> GetAvailableResources() => store.GetAvailableResources();
+                }
+            }
+        }
+    }
+}

osu.Game.Tests/Visual/Gameplay/TestSceneStoryboardWithIntro.cs

@@ -39,7 +39,7 @@ namespace osu.Game.Tests.Visual.Gameplay
         {
             var storyboard = new Storyboard();
             var sprite = new StoryboardSprite("unknown", Anchor.TopLeft, Vector2.Zero);
-            sprite.TimelineGroup.Alpha.Add(Easing.None, startTime, 0, 0, 1);
+            sprite.Commands.AddAlpha(Easing.None, startTime, 0, 0, 1);
             storyboard.GetLayer("Background").Add(sprite);
             return storyboard;
         }

osu.Game.Tests/Visual/Gameplay/TestSceneStoryboardWithOutro.cs

@@ -216,7 +216,7 @@ namespace osu.Game.Tests.Visual.Gameplay
         {
             var storyboard = new Storyboard();
             var sprite = new StoryboardSprite("unknown", Anchor.TopLeft, Vector2.Zero);
-            sprite.TimelineGroup.Alpha.Add(Easing.None, 0, duration, 1, 0);
+            sprite.Commands.AddAlpha(Easing.None, 0, duration, 1, 0);
             storyboard.GetLayer("Background").Add(sprite);
             return storyboard;
         }

osu.Game.Tests/Visual/Multiplayer/TestSceneMultiSpectatorScreen.cs

@@ -424,7 +424,7 @@ namespace osu.Game.Tests.Visual.Multiplayer
         public void TestIntroStoryboardElement() => testLeadIn(b =>
         {
             var sprite = new StoryboardSprite("unknown", Anchor.TopLeft, Vector2.Zero);
-            sprite.TimelineGroup.Alpha.Add(Easing.None, -2000, 0, 0, 1);
+            sprite.Commands.AddAlpha(Easing.None, -2000, 0, 0, 1);
             b.Storyboard.GetLayer("Background").Add(sprite);
         });
 

osu.Game.Tests/Visual/UserInterface/TestSceneNowPlayingOverlay.cs

@@ -5,6 +5,7 @@
 
 using NUnit.Framework;
 using osu.Framework.Allocation;
+using osu.Framework.Configuration;
 using osu.Framework.Graphics;
 using osu.Game.Beatmaps;
 using osu.Game.Overlays;
@@ -21,8 +22,10 @@ namespace osu.Game.Tests.Visual.UserInterface
         private NowPlayingOverlay nowPlayingOverlay;
 
         [BackgroundDependencyLoader]
-        private void load()
+        private void load(FrameworkConfigManager frameworkConfig)
         {
+            AddToggleStep("toggle unicode", v => frameworkConfig.SetValue(FrameworkSetting.ShowUnicode, v));
+
             nowPlayingOverlay = new NowPlayingOverlay
             {
                 Origin = Anchor.Centre,
@@ -50,9 +53,9 @@ namespace osu.Game.Tests.Visual.UserInterface
                 Metadata =
                 {
                     Artist = "very very very very very very very very very very verry long artist",
-                    ArtistUnicode = "very very very very very very very very very very verry long artist",
+                    ArtistUnicode = "very very very very very very very very very very verry long artist unicode",
                     Title = "very very very very very verry long title",
-                    TitleUnicode = "very very very very very verry long title",
+                    TitleUnicode = "very very very very very verry long title unicode",
                 }
             }));
 
@@ -61,9 +64,9 @@ namespace osu.Game.Tests.Visual.UserInterface
                 Metadata =
                 {
                     Artist = "very very very very very very very very very very verrry long artist",
-                    ArtistUnicode = "very very very very very very very very very very verrry long artist",
+                    ArtistUnicode = "not very long artist unicode",
                     Title = "very very very very very verrry long title",
-                    TitleUnicode = "very very very very very verrry long title",
+                    TitleUnicode = "not very long title unicode",
                 }
             }));
 

osu.Game/Beatmaps/Formats/LegacyStoryboardDecoder.cs

@@ -9,6 +9,7 @@ using osu.Framework.Graphics;
 using osu.Game.Beatmaps.Legacy;
 using osu.Game.IO;
 using osu.Game.Storyboards;
+using osu.Game.Storyboards.Commands;
 using osuTK;
 using osuTK.Graphics;
 
@@ -17,7 +18,7 @@ namespace osu.Game.Beatmaps.Formats
     public class LegacyStoryboardDecoder : LegacyDecoder<Storyboard>
     {
         private StoryboardSprite? storyboardSprite;
-        private CommandTimelineGroup? timelineGroup;
+        private StoryboardCommandGroup? currentCommandsGroup;
 
         private Storyboard storyboard = null!;
 
@@ -164,7 +165,7 @@ namespace osu.Game.Beatmaps.Formats
             else
             {
                 if (depth < 2)
-                    timelineGroup = storyboardSprite?.TimelineGroup;
+                    currentCommandsGroup = storyboardSprite?.Commands;
 
                 string commandType = split[0];
 
@@ -176,7 +177,7 @@ namespace osu.Game.Beatmaps.Formats
                         double startTime = split.Length > 2 ? Parsing.ParseDouble(split[2]) : double.MinValue;
                         double endTime = split.Length > 3 ? Parsing.ParseDouble(split[3]) : double.MaxValue;
                         int groupNumber = split.Length > 4 ? Parsing.ParseInt(split[4]) : 0;
-                        timelineGroup = storyboardSprite?.AddTrigger(triggerName, startTime, endTime, groupNumber);
+                        currentCommandsGroup = storyboardSprite?.AddTriggerGroup(triggerName, startTime, endTime, groupNumber);
                         break;
                     }
 
@@ -184,7 +185,7 @@ namespace osu.Game.Beatmaps.Formats
                     {
                         double startTime = Parsing.ParseDouble(split[1]);
                         int repeatCount = Parsing.ParseInt(split[2]);
-                        timelineGroup = storyboardSprite?.AddLoop(startTime, Math.Max(0, repeatCount - 1));
+                        currentCommandsGroup = storyboardSprite?.AddLoopingGroup(startTime, Math.Max(0, repeatCount - 1));
                         break;
                     }
 
@@ -203,7 +204,7 @@ namespace osu.Game.Beatmaps.Formats
                             {
                                 float startValue = Parsing.ParseFloat(split[4]);
                                 float endValue = split.Length > 5 ? Parsing.ParseFloat(split[5]) : startValue;
-                                timelineGroup?.Alpha.Add(easing, startTime, endTime, startValue, endValue);
+                                currentCommandsGroup?.AddAlpha(easing, startTime, endTime, startValue, endValue);
                                 break;
                             }
 
@@ -211,7 +212,7 @@ namespace osu.Game.Beatmaps.Formats
                             {
                                 float startValue = Parsing.ParseFloat(split[4]);
                                 float endValue = split.Length > 5 ? Parsing.ParseFloat(split[5]) : startValue;
-                                timelineGroup?.Scale.Add(easing, startTime, endTime, startValue, endValue);
+                                currentCommandsGroup?.AddScale(easing, startTime, endTime, startValue, endValue);
                                 break;
                             }
 
@@ -221,7 +222,7 @@ namespace osu.Game.Beatmaps.Formats
                                 float startY = Parsing.ParseFloat(split[5]);
                                 float endX = split.Length > 6 ? Parsing.ParseFloat(split[6]) : startX;
                                 float endY = split.Length > 7 ? Parsing.ParseFloat(split[7]) : startY;
-                                timelineGroup?.VectorScale.Add(easing, startTime, endTime, new Vector2(startX, startY), new Vector2(endX, endY));
+                                currentCommandsGroup?.AddVectorScale(easing, startTime, endTime, new Vector2(startX, startY), new Vector2(endX, endY));
                                 break;
                             }
 
@@ -229,7 +230,7 @@ namespace osu.Game.Beatmaps.Formats
                             {
                                 float startValue = Parsing.ParseFloat(split[4]);
                                 float endValue = split.Length > 5 ? Parsing.ParseFloat(split[5]) : startValue;
-                                timelineGroup?.Rotation.Add(easing, startTime, endTime, float.RadiansToDegrees(startValue), float.RadiansToDegrees(endValue));
+                                currentCommandsGroup?.AddRotation(easing, startTime, endTime, float.RadiansToDegrees(startValue), float.RadiansToDegrees(endValue));
                                 break;
                             }
 
@@ -239,8 +240,8 @@ namespace osu.Game.Beatmaps.Formats
                                 float startY = Parsing.ParseFloat(split[5]);
                                 float endX = split.Length > 6 ? Parsing.ParseFloat(split[6]) : startX;
                                 float endY = split.Length > 7 ? Parsing.ParseFloat(split[7]) : startY;
-                                timelineGroup?.X.Add(easing, startTime, endTime, startX, endX);
-                                timelineGroup?.Y.Add(easing, startTime, endTime, startY, endY);
+                                currentCommandsGroup?.AddX(easing, startTime, endTime, startX, endX);
+                                currentCommandsGroup?.AddY(easing, startTime, endTime, startY, endY);
                                 break;
                             }
 
@@ -248,7 +249,7 @@ namespace osu.Game.Beatmaps.Formats
                             {
                                 float startValue = Parsing.ParseFloat(split[4]);
                                 float endValue = split.Length > 5 ? Parsing.ParseFloat(split[5]) : startValue;
-                                timelineGroup?.X.Add(easing, startTime, endTime, startValue, endValue);
+                                currentCommandsGroup?.AddX(easing, startTime, endTime, startValue, endValue);
                                 break;
                             }
 
@@ -256,7 +257,7 @@ namespace osu.Game.Beatmaps.Formats
                             {
                                 float startValue = Parsing.ParseFloat(split[4]);
                                 float endValue = split.Length > 5 ? Parsing.ParseFloat(split[5]) : startValue;
-                                timelineGroup?.Y.Add(easing, startTime, endTime, startValue, endValue);
+                                currentCommandsGroup?.AddY(easing, startTime, endTime, startValue, endValue);
                                 break;
                             }
 
@@ -268,7 +269,7 @@ namespace osu.Game.Beatmaps.Formats
                                 float endRed = split.Length > 7 ? Parsing.ParseFloat(split[7]) : startRed;
                                 float endGreen = split.Length > 8 ? Parsing.ParseFloat(split[8]) : startGreen;
                                 float endBlue = split.Length > 9 ? Parsing.ParseFloat(split[9]) : startBlue;
-                                timelineGroup?.Colour.Add(easing, startTime, endTime,
+                                currentCommandsGroup?.AddColour(easing, startTime, endTime,
                                     new Color4(startRed / 255f, startGreen / 255f, startBlue / 255f, 1),
                                     new Color4(endRed / 255f, endGreen / 255f, endBlue / 255f, 1));
                                 break;
@@ -281,16 +282,16 @@ namespace osu.Game.Beatmaps.Formats
                                 switch (type)
                                 {
                                     case "A":
-                                        timelineGroup?.BlendingParameters.Add(easing, startTime, endTime, BlendingParameters.Additive,
+                                        currentCommandsGroup?.AddBlendingParameters(easing, startTime, endTime, BlendingParameters.Additive,
                                             startTime == endTime ? BlendingParameters.Additive : BlendingParameters.Inherit);
                                         break;
 
                                     case "H":
-                                        timelineGroup?.FlipH.Add(easing, startTime, endTime, true, startTime == endTime);
+                                        currentCommandsGroup?.AddFlipH(easing, startTime, endTime, true, startTime == endTime);
                                         break;
 
                                     case "V":
-                                        timelineGroup?.FlipV.Add(easing, startTime, endTime, true, startTime == endTime);
+                                        currentCommandsGroup?.AddFlipV(easing, startTime, endTime, true, startTime == endTime);
                                         break;
                                 }
 

osu.Game/Overlays/NowPlayingOverlay.cs

@@ -5,6 +5,7 @@ using System;
 using System.Threading;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
+using osu.Framework.Configuration;
 using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Extensions.ObjectExtensions;
 using osu.Framework.Graphics;
@@ -479,6 +480,11 @@ namespace osu.Game.Overlays
             private OsuSpriteText mainSpriteText = null!;
             private OsuSpriteText fillerSpriteText = null!;
 
+            private Bindable<bool> showUnicode = null!;
+
+            [Resolved]
+            private FrameworkConfigManager frameworkConfig { get; set; } = null!;
+
             private LocalisableString text;
 
             public LocalisableString Text
@@ -531,6 +537,9 @@ namespace osu.Game.Overlays
             {
                 base.LoadComplete();
 
+                showUnicode = frameworkConfig.GetBindable<bool>(FrameworkSetting.ShowUnicode);
+                showUnicode.BindValueChanged(_ => updateText());
+
                 updateFontAndText();
             }
 

osu.Game/Scoring/ScoreImporter.cs

@@ -127,6 +127,9 @@ namespace osu.Game.Scoring
             if (model.RealmUser.OnlineID == APIUser.SYSTEM_USER_ID)
                 return;
 
+            if (model.OnlineID < 0 && model.LegacyOnlineID <= 0)
+                return;
+
             string username = model.RealmUser.Username;
 
             if (usernameLookupCache.TryGetValue(username, out var existing))

osu.Game/Screens/Play/SoloSpectatorScreen.cs

@@ -16,6 +16,7 @@ using osu.Game.Configuration;
 using osu.Game.Graphics;
 using osu.Game.Graphics.Sprites;
 using osu.Game.Graphics.UserInterfaceV2;
+using osu.Game.Localisation;
 using osu.Game.Online.API;
 using osu.Game.Online.API.Requests;
 using osu.Game.Online.API.Requests.Responses;
@@ -138,7 +139,7 @@ namespace osu.Game.Screens.Play
                             },
                             automaticDownload = new SettingsCheckbox
                             {
-                                LabelText = "Automatically download beatmaps",
+                                LabelText = OnlineSettingsStrings.AutomaticallyDownloadMissingBeatmaps,
                                 Current = config.GetBindable<bool>(OsuSetting.AutomaticallyDownloadMissingBeatmaps),
                                 Anchor = Anchor.Centre,
                                 Origin = Anchor.Centre,

osu.Game/Storyboards/CommandLoop.cs

@@ -1,52 +0,0 @@
-// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
-// See the LICENCE file in the repository root for full licence text.
-
-using System;
-using System.Collections.Generic;
-
-namespace osu.Game.Storyboards
-{
-    public class CommandLoop : CommandTimelineGroup
-    {
-        public double LoopStartTime;
-
-        /// <summary>
-        /// The total number of times this loop is played back. Always greater than zero.
-        /// </summary>
-        public readonly int TotalIterations;
-
-        public override double StartTime => LoopStartTime + CommandsStartTime;
-
-        public override double EndTime =>
-            // In an ideal world, we would multiply the command duration by TotalIterations here.
-            // Unfortunately this would clash with how stable handled end times, and results in some storyboards playing outro
-            // sequences for minutes or hours.
-            StartTime + CommandsDuration;
-
-        /// <summary>
-        /// Construct a new command loop.
-        /// </summary>
-        /// <param name="startTime">The start time of the loop.</param>
-        /// <param name="repeatCount">The number of times the loop should repeat. Should be greater than zero. Zero means a single playback.</param>
-        public CommandLoop(double startTime, int repeatCount)
-        {
-            if (repeatCount < 0) throw new ArgumentException("Repeat count must be zero or above.", nameof(repeatCount));
-
-            LoopStartTime = startTime;
-            TotalIterations = repeatCount + 1;
-        }
-
-        public override IEnumerable<CommandTimeline<T>.TypedCommand> GetCommands<T>(CommandTimelineSelector<T> timelineSelector, double offset = 0)
-        {
-            for (int loop = 0; loop < TotalIterations; loop++)
-            {
-                double loopOffset = LoopStartTime + loop * CommandsDuration;
-                foreach (var command in base.GetCommands(timelineSelector, offset + loopOffset))
-                    yield return command;
-            }
-        }
-
-        public override string ToString()
-            => $"{LoopStartTime} x{TotalIterations}";
-    }
-}

osu.Game/Storyboards/CommandTimeline.cs

@@ -1,89 +0,0 @@
-// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
-// See the LICENCE file in the repository root for full licence text.
-
-#nullable disable
-
-using osu.Framework.Graphics;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-
-namespace osu.Game.Storyboards
-{
-    public class CommandTimeline<T> : ICommandTimeline
-    {
-        private readonly List<TypedCommand> commands = new List<TypedCommand>();
-
-        public IEnumerable<TypedCommand> Commands => commands.OrderBy(c => c.StartTime);
-
-        public bool HasCommands => commands.Count > 0;
-
-        public double StartTime { get; private set; } = double.MaxValue;
-        public double EndTime { get; private set; } = double.MinValue;
-
-        public T StartValue { get; private set; }
-        public T EndValue { get; private set; }
-
-        public void Add(Easing easing, double startTime, double endTime, T startValue, T endValue)
-        {
-            if (endTime < startTime)
-            {
-                endTime = startTime;
-            }
-
-            commands.Add(new TypedCommand { Easing = easing, StartTime = startTime, EndTime = endTime, StartValue = startValue, EndValue = endValue });
-
-            if (startTime < StartTime)
-            {
-                StartValue = startValue;
-                StartTime = startTime;
-            }
-
-            if (endTime > EndTime)
-            {
-                EndValue = endValue;
-                EndTime = endTime;
-            }
-        }
-
-        public override string ToString()
-            => $"{commands.Count} command(s)";
-
-        public class TypedCommand : ICommand
-        {
-            public Easing Easing { get; set; }
-            public double StartTime { get; set; }
-            public double EndTime { get; set; }
-            public double Duration => EndTime - StartTime;
-
-            public T StartValue;
-            public T EndValue;
-
-            public int CompareTo(ICommand other)
-            {
-                int result = StartTime.CompareTo(other.StartTime);
-                if (result != 0) return result;
-
-                return EndTime.CompareTo(other.EndTime);
-            }
-
-            public override string ToString()
-                => $"{StartTime} -> {EndTime}, {StartValue} -> {EndValue} {Easing}";
-        }
-    }
-
-    public interface ICommandTimeline
-    {
-        double StartTime { get; }
-        double EndTime { get; }
-        bool HasCommands { get; }
-    }
-
-    public interface ICommand : IComparable<ICommand>
-    {
-        Easing Easing { get; set; }
-        double StartTime { get; set; }
-        double EndTime { get; set; }
-        double Duration { get; }
-    }
-}

osu.Game/Storyboards/CommandTimelineGroup.cs

@@ -1,118 +0,0 @@
-// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
-// See the LICENCE file in the repository root for full licence text.
-
-using System;
-using osuTK;
-using osuTK.Graphics;
-using osu.Framework.Graphics;
-using System.Collections.Generic;
-using System.Linq;
-using Newtonsoft.Json;
-
-namespace osu.Game.Storyboards
-{
-    public delegate CommandTimeline<T> CommandTimelineSelector<T>(CommandTimelineGroup commandTimelineGroup);
-
-    public class CommandTimelineGroup
-    {
-        public CommandTimeline<float> X = new CommandTimeline<float>();
-        public CommandTimeline<float> Y = new CommandTimeline<float>();
-        public CommandTimeline<float> Scale = new CommandTimeline<float>();
-        public CommandTimeline<Vector2> VectorScale = new CommandTimeline<Vector2>();
-        public CommandTimeline<float> Rotation = new CommandTimeline<float>();
-        public CommandTimeline<Color4> Colour = new CommandTimeline<Color4>();
-        public CommandTimeline<float> Alpha = new CommandTimeline<float>();
-        public CommandTimeline<BlendingParameters> BlendingParameters = new CommandTimeline<BlendingParameters>();
-        public CommandTimeline<bool> FlipH = new CommandTimeline<bool>();
-        public CommandTimeline<bool> FlipV = new CommandTimeline<bool>();
-
-        private readonly ICommandTimeline[] timelines;
-
-        public CommandTimelineGroup()
-        {
-            timelines = new ICommandTimeline[]
-            {
-                X,
-                Y,
-                Scale,
-                VectorScale,
-                Rotation,
-                Colour,
-                Alpha,
-                BlendingParameters,
-                FlipH,
-                FlipV
-            };
-        }
-
-        [JsonIgnore]
-        public double CommandsStartTime
-        {
-            get
-            {
-                double min = double.MaxValue;
-
-                for (int i = 0; i < timelines.Length; i++)
-                    min = Math.Min(min, timelines[i].StartTime);
-
-                return min;
-            }
-        }
-
-        [JsonIgnore]
-        public double CommandsEndTime
-        {
-            get
-            {
-                double max = double.MinValue;
-
-                for (int i = 0; i < timelines.Length; i++)
-                    max = Math.Max(max, timelines[i].EndTime);
-
-                return max;
-            }
-        }
-
-        [JsonIgnore]
-        public double CommandsDuration => CommandsEndTime - CommandsStartTime;
-
-        [JsonIgnore]
-        public virtual double StartTime => CommandsStartTime;
-
-        [JsonIgnore]
-        public virtual double EndTime => CommandsEndTime;
-
-        [JsonIgnore]
-        public bool HasCommands
-        {
-            get
-            {
-                for (int i = 0; i < timelines.Length; i++)
-                {
-                    if (timelines[i].HasCommands)
-                        return true;
-                }
-
-                return false;
-            }
-        }
-
-        public virtual IEnumerable<CommandTimeline<T>.TypedCommand> GetCommands<T>(CommandTimelineSelector<T> timelineSelector, double offset = 0)
-        {
-            if (offset != 0)
-            {
-                return timelineSelector(this).Commands.Select(command =>
-                    new CommandTimeline<T>.TypedCommand
-                    {
-                        Easing = command.Easing,
-                        StartTime = offset + command.StartTime,
-                        EndTime = offset + command.EndTime,
-                        StartValue = command.StartValue,
-                        EndValue = command.EndValue,
-                    });
-            }
-
-            return timelineSelector(this).Commands;
-        }
-    }
-}

osu.Game/Storyboards/Commands/IStoryboardCommand.cs

@@ -0,0 +1,46 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Transforms;
+using osu.Game.Storyboards.Drawables;
+
+namespace osu.Game.Storyboards.Commands
+{
+    public interface IStoryboardCommand
+    {
+        /// <summary>
+        /// The start time of the storyboard command.
+        /// </summary>
+        double StartTime { get; }
+
+        /// <summary>
+        /// The end time of the storyboard command.
+        /// </summary>
+        double EndTime { get; }
+
+        /// <summary>
+        /// The name of the <see cref="Drawable"/> property affected by this storyboard command.
+        /// Used to apply initial property values based on the list of commands given in <see cref="StoryboardSprite"/>.
+        /// </summary>
+        string PropertyName { get; }
+
+        /// <summary>
+        /// Sets the value of the corresponding property in <see cref="Drawable"/> to the start value of this command.
+        /// </summary>
+        /// <remarks>
+        /// Parameter commands (e.g. <see cref="StoryboardFlipHCommand"/> / <see cref="StoryboardFlipVCommand"/> / <see cref="StoryboardBlendingParametersCommand"/>) only apply the start value if they have zero duration, i.e. take "permanent" effect regardless of time.
+        /// </remarks>
+        /// <param name="d">The target drawable.</param>
+        void ApplyInitialValue<TDrawable>(TDrawable d)
+            where TDrawable : Drawable, IFlippable, IVectorScalable;
+
+        /// <summary>
+        /// Applies the transforms described by this storyboard command to the target drawable.
+        /// </summary>
+        /// <param name="d">The target drawable.</param>
+        /// <returns>The sequence of transforms applied to the target drawable.</returns>
+        TransformSequence<TDrawable> ApplyTransforms<TDrawable>(TDrawable d)
+            where TDrawable : Drawable, IFlippable, IVectorScalable;
+    }
+}

osu.Game/Storyboards/Commands/StoryboardAlphaCommand.cs

@@ -0,0 +1,23 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Transforms;
+
+namespace osu.Game.Storyboards.Commands
+{
+    public class StoryboardAlphaCommand : StoryboardCommand<float>
+    {
+        public StoryboardAlphaCommand(Easing easing, double startTime, double endTime, float startValue, float endValue)
+            : base(easing, startTime, endTime, startValue, endValue)
+        {
+        }
+
+        public override string PropertyName => nameof(Drawable.Alpha);
+
+        public override void ApplyInitialValue<TDrawable>(TDrawable d) => d.Alpha = StartValue;
+
+        public override TransformSequence<TDrawable> ApplyTransforms<TDrawable>(TDrawable d)
+            => d.FadeTo(StartValue).Then().FadeTo(EndValue, Duration, Easing);
+    }
+}

osu.Game/Storyboards/Commands/StoryboardBlendingParametersCommand.cs

@@ -0,0 +1,28 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Transforms;
+
+namespace osu.Game.Storyboards.Commands
+{
+    public class StoryboardBlendingParametersCommand : StoryboardCommand<BlendingParameters>
+    {
+        public StoryboardBlendingParametersCommand(Easing easing, double startTime, double endTime, BlendingParameters startValue, BlendingParameters endValue)
+            : base(easing, startTime, endTime, startValue, endValue)
+        {
+        }
+
+        public override string PropertyName => nameof(Drawable.Blending);
+
+        public override void ApplyInitialValue<TDrawable>(TDrawable d)
+        {
+            if (StartTime == EndTime)
+                d.Blending = StartValue;
+        }
+
+        public override TransformSequence<TDrawable> ApplyTransforms<TDrawable>(TDrawable d)
+            => d.TransformTo(nameof(d.Blending), StartValue).Delay(Duration)
+                .TransformTo(nameof(d.Blending), EndValue);
+    }
+}

osu.Game/Storyboards/Commands/StoryboardColourCommand.cs

@@ -0,0 +1,24 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Transforms;
+using osuTK.Graphics;
+
+namespace osu.Game.Storyboards.Commands
+{
+    public class StoryboardColourCommand : StoryboardCommand<Color4>
+    {
+        public StoryboardColourCommand(Easing easing, double startTime, double endTime, Color4 startValue, Color4 endValue)
+            : base(easing, startTime, endTime, startValue, endValue)
+        {
+        }
+
+        public override string PropertyName => nameof(Drawable.Colour);
+
+        public override void ApplyInitialValue<TDrawable>(TDrawable d) => d.Colour = StartValue;
+
+        public override TransformSequence<TDrawable> ApplyTransforms<TDrawable>(TDrawable d)
+            => d.FadeColour(StartValue).Then().FadeColour(EndValue, Duration, Easing);
+    }
+}

osu.Game/Storyboards/Commands/StoryboardCommand.cs

@@ -0,0 +1,56 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Transforms;
+using osu.Game.Storyboards.Drawables;
+
+namespace osu.Game.Storyboards.Commands
+{
+    public abstract class StoryboardCommand<T> : IStoryboardCommand, IComparable<StoryboardCommand<T>>
+    {
+        public double StartTime { get; }
+        public double EndTime { get; }
+
+        public T StartValue { get; }
+        public T EndValue { get; }
+        public Easing Easing { get; }
+
+        public double Duration => EndTime - StartTime;
+
+        protected StoryboardCommand(Easing easing, double startTime, double endTime, T startValue, T endValue)
+        {
+            if (endTime < startTime)
+                endTime = startTime;
+
+            StartTime = startTime;
+            StartValue = startValue;
+            EndTime = endTime;
+            EndValue = endValue;
+            Easing = easing;
+        }
+
+        public abstract string PropertyName { get; }
+
+        public abstract void ApplyInitialValue<TDrawable>(TDrawable d)
+            where TDrawable : Drawable, IFlippable, IVectorScalable;
+
+        public abstract TransformSequence<TDrawable> ApplyTransforms<TDrawable>(TDrawable d)
+            where TDrawable : Drawable, IFlippable, IVectorScalable;
+
+        public int CompareTo(StoryboardCommand<T>? other)
+        {
+            if (other == null)
+                return 1;
+
+            int result = StartTime.CompareTo(other.StartTime);
+            if (result != 0)
+                return result;
+
+            return EndTime.CompareTo(other.EndTime);
+        }
+
+        public override string ToString() => $"{StartTime} -> {EndTime}, {StartValue} -> {EndValue} {Easing}";
+    }
+}

osu.Game/Storyboards/Commands/StoryboardCommandGroup.cs

@@ -0,0 +1,130 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System.Collections.Generic;
+using System.Linq;
+using Newtonsoft.Json;
+using osu.Framework.Graphics;
+using osu.Framework.Lists;
+using osuTK;
+using osuTK.Graphics;
+
+namespace osu.Game.Storyboards.Commands
+{
+    public class StoryboardCommandGroup
+    {
+        private readonly SortedList<StoryboardCommand<float>> x = new SortedList<StoryboardCommand<float>>();
+
+        public IReadOnlyList<StoryboardCommand<float>> X => x;
+
+        private readonly SortedList<StoryboardCommand<float>> y = new SortedList<StoryboardCommand<float>>();
+
+        public IReadOnlyList<StoryboardCommand<float>> Y => y;
+
+        private readonly SortedList<StoryboardCommand<float>> scale = new SortedList<StoryboardCommand<float>>();
+
+        public IReadOnlyList<StoryboardCommand<float>> Scale => scale;
+
+        private readonly SortedList<StoryboardCommand<Vector2>> vectorScale = new SortedList<StoryboardCommand<Vector2>>();
+
+        public IReadOnlyList<StoryboardCommand<Vector2>> VectorScale => vectorScale;
+
+        private readonly SortedList<StoryboardCommand<float>> rotation = new SortedList<StoryboardCommand<float>>();
+
+        public IReadOnlyList<StoryboardCommand<float>> Rotation => rotation;
+
+        private readonly SortedList<StoryboardCommand<Color4>> colour = new SortedList<StoryboardCommand<Color4>>();
+
+        public IReadOnlyList<StoryboardCommand<Color4>> Colour => colour;
+
+        private readonly SortedList<StoryboardCommand<float>> alpha = new SortedList<StoryboardCommand<float>>();
+
+        public IReadOnlyList<StoryboardCommand<float>> Alpha => alpha;
+
+        private readonly SortedList<StoryboardCommand<BlendingParameters>> blendingParameters = new SortedList<StoryboardCommand<BlendingParameters>>();
+
+        public IReadOnlyList<StoryboardCommand<BlendingParameters>> BlendingParameters => blendingParameters;
+
+        private readonly SortedList<StoryboardCommand<bool>> flipH = new SortedList<StoryboardCommand<bool>>();
+
+        public IReadOnlyList<StoryboardCommand<bool>> FlipH => flipH;
+
+        private readonly SortedList<StoryboardCommand<bool>> flipV = new SortedList<StoryboardCommand<bool>>();
+
+        public IReadOnlyList<StoryboardCommand<bool>> FlipV => flipV;
+
+        /// <summary>
+        /// Returns the earliest start time of the commands added to this group.
+        /// </summary>
+        [JsonIgnore]
+        public double StartTime { get; private set; } = double.MaxValue;
+
+        /// <summary>
+        /// Returns the latest end time of the commands added to this group.
+        /// </summary>
+        [JsonIgnore]
+        public double EndTime { get; private set; } = double.MinValue;
+
+        [JsonIgnore]
+        public double Duration => EndTime - StartTime;
+
+        [JsonIgnore]
+        public bool HasCommands { get; private set; }
+
+        private readonly IReadOnlyList<IStoryboardCommand>[] lists;
+
+        public IEnumerable<IStoryboardCommand> AllCommands => lists.SelectMany(g => g);
+
+        public StoryboardCommandGroup()
+        {
+            lists = new IReadOnlyList<IStoryboardCommand>[] { X, Y, Scale, VectorScale, Rotation, Colour, Alpha, BlendingParameters, FlipH, FlipV };
+        }
+
+        public void AddX(Easing easing, double startTime, double endTime, float startValue, float endValue)
+            => AddCommand(x, new StoryboardXCommand(easing, startTime, endTime, startValue, endValue));
+
+        public void AddY(Easing easing, double startTime, double endTime, float startValue, float endValue)
+            => AddCommand(y, new StoryboardYCommand(easing, startTime, endTime, startValue, endValue));
+
+        public void AddScale(Easing easing, double startTime, double endTime, float startValue, float endValue)
+            => AddCommand(scale, new StoryboardScaleCommand(easing, startTime, endTime, startValue, endValue));
+
+        public void AddVectorScale(Easing easing, double startTime, double endTime, Vector2 startValue, Vector2 endValue)
+            => AddCommand(vectorScale, new StoryboardVectorScaleCommand(easing, startTime, endTime, startValue, endValue));
+
+        public void AddRotation(Easing easing, double startTime, double endTime, float startValue, float endValue)
+            => AddCommand(rotation, new StoryboardRotationCommand(easing, startTime, endTime, startValue, endValue));
+
+        public void AddColour(Easing easing, double startTime, double endTime, Color4 startValue, Color4 endValue)
+            => AddCommand(colour, new StoryboardColourCommand(easing, startTime, endTime, startValue, endValue));
+
+        public void AddAlpha(Easing easing, double startTime, double endTime, float startValue, float endValue)
+            => AddCommand(alpha, new StoryboardAlphaCommand(easing, startTime, endTime, startValue, endValue));
+
+        public void AddBlendingParameters(Easing easing, double startTime, double endTime, BlendingParameters startValue, BlendingParameters endValue)
+            => AddCommand(blendingParameters, new StoryboardBlendingParametersCommand(easing, startTime, endTime, startValue, endValue));
+
+        public void AddFlipH(Easing easing, double startTime, double endTime, bool startValue, bool endValue)
+            => AddCommand(flipH, new StoryboardFlipHCommand(easing, startTime, endTime, startValue, endValue));
+
+        public void AddFlipV(Easing easing, double startTime, double endTime, bool startValue, bool endValue)
+            => AddCommand(flipV, new StoryboardFlipVCommand(easing, startTime, endTime, startValue, endValue));
+
+        /// <summary>
+        /// Adds the given storyboard <paramref name="command"/> to the target <paramref name="list"/>.
+        /// Can be overriden to apply custom effects to the given command before adding it to the list (e.g. looping or time offsets).
+        /// </summary>
+        /// <typeparam name="T">The value type of the target property affected by this storyboard command.</typeparam>
+        protected virtual void AddCommand<T>(ICollection<StoryboardCommand<T>> list, StoryboardCommand<T> command)
+        {
+            list.Add(command);
+            HasCommands = true;
+
+            if (command.StartTime < StartTime)
+                StartTime = command.StartTime;
+
+            if (command.EndTime > EndTime)
+                EndTime = command.EndTime;
+        }
+    }
+}

osu.Game/Storyboards/Commands/StoryboardFlipHCommand.cs

@@ -0,0 +1,29 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Transforms;
+using osu.Game.Storyboards.Drawables;
+
+namespace osu.Game.Storyboards.Commands
+{
+    public class StoryboardFlipHCommand : StoryboardCommand<bool>
+    {
+        public StoryboardFlipHCommand(Easing easing, double startTime, double endTime, bool startValue, bool endValue)
+            : base(easing, startTime, endTime, startValue, endValue)
+        {
+        }
+
+        public override string PropertyName => nameof(IFlippable.FlipH);
+
+        public override void ApplyInitialValue<TDrawable>(TDrawable d)
+        {
+            if (StartTime == EndTime)
+                d.FlipH = StartValue;
+        }
+
+        public override TransformSequence<TDrawable> ApplyTransforms<TDrawable>(TDrawable d)
+            => d.TransformTo(nameof(IFlippable.FlipH), StartValue).Delay(Duration)
+                .TransformTo(nameof(IFlippable.FlipH), EndValue);
+    }
+}

osu.Game/Storyboards/Commands/StoryboardFlipVCommand.cs

@@ -0,0 +1,29 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Transforms;
+using osu.Game.Storyboards.Drawables;
+
+namespace osu.Game.Storyboards.Commands
+{
+    public class StoryboardFlipVCommand : StoryboardCommand<bool>
+    {
+        public StoryboardFlipVCommand(Easing easing, double startTime, double endTime, bool startValue, bool endValue)
+            : base(easing, startTime, endTime, startValue, endValue)
+        {
+        }
+
+        public override string PropertyName => nameof(IFlippable.FlipV);
+
+        public override void ApplyInitialValue<TDrawable>(TDrawable d)
+        {
+            if (StartTime == EndTime)
+                d.FlipV = StartValue;
+        }
+
+        public override TransformSequence<TDrawable> ApplyTransforms<TDrawable>(TDrawable d)
+            => d.TransformTo(nameof(IFlippable.FlipV), StartValue).Delay(Duration)
+                .TransformTo(nameof(IFlippable.FlipV), EndValue);
+    }
+}

osu.Game/Storyboards/Commands/StoryboardLoopingGroup.cs

@@ -0,0 +1,66 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System;
+using System.Collections.Generic;
+using osu.Framework.Graphics.Transforms;
+
+namespace osu.Game.Storyboards.Commands
+{
+    public class StoryboardLoopingGroup : StoryboardCommandGroup
+    {
+        private readonly double loopStartTime;
+
+        /// <summary>
+        /// The total number of times this loop is played back. Always greater than zero.
+        /// </summary>
+        public readonly int TotalIterations;
+
+        /// <summary>
+        /// Construct a new command loop.
+        /// </summary>
+        /// <param name="startTime">The start time of the loop.</param>
+        /// <param name="repeatCount">The number of times the loop should repeat. Should be greater than zero. Zero means a single playback.</param>
+        public StoryboardLoopingGroup(double startTime, int repeatCount)
+        {
+            ArgumentOutOfRangeException.ThrowIfNegative(repeatCount);
+
+            loopStartTime = startTime;
+            TotalIterations = repeatCount + 1;
+        }
+
+        protected override void AddCommand<T>(ICollection<StoryboardCommand<T>> list, StoryboardCommand<T> command)
+            => base.AddCommand(list, new StoryboardLoopingCommand<T>(command, this));
+
+        public override string ToString() => $"{loopStartTime} x{TotalIterations}";
+
+        private class StoryboardLoopingCommand<T> : StoryboardCommand<T>
+        {
+            private readonly StoryboardCommand<T> command;
+            private readonly StoryboardLoopingGroup loopingGroup;
+
+            public StoryboardLoopingCommand(StoryboardCommand<T> command, StoryboardLoopingGroup loopingGroup)
+                // In an ideal world, we would multiply the command duration by TotalIterations in command end time.
+                // Unfortunately this would clash with how stable handled end times, and results in some storyboards playing outro
+                // sequences for minutes or hours.
+                : base(command.Easing, loopingGroup.loopStartTime + command.StartTime, loopingGroup.loopStartTime + command.EndTime, command.StartValue, command.EndValue)
+            {
+                this.command = command;
+                this.loopingGroup = loopingGroup;
+            }
+
+            public override string PropertyName => command.PropertyName;
+
+            public override void ApplyInitialValue<TDrawable>(TDrawable d) => command.ApplyInitialValue(d);
+
+            public override TransformSequence<TDrawable> ApplyTransforms<TDrawable>(TDrawable d)
+            {
+                if (loopingGroup.TotalIterations == 0)
+                    return command.ApplyTransforms(d);
+
+                double loopingGroupDuration = loopingGroup.Duration;
+                return command.ApplyTransforms(d).Loop(loopingGroupDuration - Duration, loopingGroup.TotalIterations);
+            }
+        }
+    }
+}

osu.Game/Storyboards/Commands/StoryboardRotationCommand.cs

@@ -0,0 +1,23 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Transforms;
+
+namespace osu.Game.Storyboards.Commands
+{
+    public class StoryboardRotationCommand : StoryboardCommand<float>
+    {
+        public StoryboardRotationCommand(Easing easing, double startTime, double endTime, float startValue, float endValue)
+            : base(easing, startTime, endTime, startValue, endValue)
+        {
+        }
+
+        public override string PropertyName => nameof(Drawable.Rotation);
+
+        public override void ApplyInitialValue<TDrawable>(TDrawable d) => d.Rotation = StartValue;
+
+        public override TransformSequence<TDrawable> ApplyTransforms<TDrawable>(TDrawable d)
+            => d.RotateTo(StartValue).Then().RotateTo(EndValue, Duration, Easing);
+    }
+}

osu.Game/Storyboards/Commands/StoryboardScaleCommand.cs

@@ -0,0 +1,24 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Transforms;
+using osuTK;
+
+namespace osu.Game.Storyboards.Commands
+{
+    public class StoryboardScaleCommand : StoryboardCommand<float>
+    {
+        public StoryboardScaleCommand(Easing easing, double startTime, double endTime, float startValue, float endValue)
+            : base(easing, startTime, endTime, startValue, endValue)
+        {
+        }
+
+        public override string PropertyName => nameof(Drawable.Scale);
+
+        public override void ApplyInitialValue<TDrawable>(TDrawable d) => d.Scale = new Vector2(StartValue);
+
+        public override TransformSequence<TDrawable> ApplyTransforms<TDrawable>(TDrawable d)
+            => d.ScaleTo(StartValue).Then().ScaleTo(EndValue, Duration, Easing);
+    }
+}

osu.Game/Storyboards/Commands/StoryboardTriggerGroup.cs

@@ -1,16 +1,16 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
-namespace osu.Game.Storyboards
+namespace osu.Game.Storyboards.Commands
 {
-    public class CommandTrigger : CommandTimelineGroup
+    public class StoryboardTriggerGroup : StoryboardCommandGroup
     {
         public string TriggerName;
         public double TriggerStartTime;
         public double TriggerEndTime;
         public int GroupNumber;
 
-        public CommandTrigger(string triggerName, double startTime, double endTime, int groupNumber)
+        public StoryboardTriggerGroup(string triggerName, double startTime, double endTime, int groupNumber)
         {
             TriggerName = triggerName;
             TriggerStartTime = startTime;

osu.Game/Storyboards/Commands/StoryboardVectorScaleCommand.cs

@@ -0,0 +1,26 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Transforms;
+using osu.Game.Storyboards.Drawables;
+using osuTK;
+
+namespace osu.Game.Storyboards.Commands
+{
+    public class StoryboardVectorScaleCommand : StoryboardCommand<Vector2>
+    {
+        public StoryboardVectorScaleCommand(Easing easing, double startTime, double endTime, Vector2 startValue, Vector2 endValue)
+            : base(easing, startTime, endTime, startValue, endValue)
+        {
+        }
+
+        public override string PropertyName => nameof(IVectorScalable.VectorScale);
+
+        public override void ApplyInitialValue<TDrawable>(TDrawable d) => d.VectorScale = StartValue;
+
+        public override TransformSequence<TDrawable> ApplyTransforms<TDrawable>(TDrawable d)
+            => d.TransformTo(nameof(d.VectorScale), StartValue).Then()
+                .TransformTo(nameof(d.VectorScale), EndValue, Duration, Easing);
+    }
+}

osu.Game/Storyboards/Commands/StoryboardXCommand.cs

@@ -0,0 +1,23 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Transforms;
+
+namespace osu.Game.Storyboards.Commands
+{
+    public class StoryboardXCommand : StoryboardCommand<float>
+    {
+        public StoryboardXCommand(Easing easing, double startTime, double endTime, float startValue, float endValue)
+            : base(easing, startTime, endTime, startValue, endValue)
+        {
+        }
+
+        public override string PropertyName => nameof(Drawable.X);
+
+        public override void ApplyInitialValue<TDrawable>(TDrawable d) => d.X = StartValue;
+
+        public override TransformSequence<TDrawable> ApplyTransforms<TDrawable>(TDrawable d)
+            => d.MoveToX(StartValue).Then().MoveToX(EndValue, Duration, Easing);
+    }
+}

osu.Game/Storyboards/Commands/StoryboardYCommand.cs

@@ -0,0 +1,23 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Transforms;
+
+namespace osu.Game.Storyboards.Commands
+{
+    public class StoryboardYCommand : StoryboardCommand<float>
+    {
+        public StoryboardYCommand(Easing easing, double startTime, double endTime, float startValue, float endValue)
+            : base(easing, startTime, endTime, startValue, endValue)
+        {
+        }
+
+        public override string PropertyName => nameof(Drawable.Y);
+
+        public override void ApplyInitialValue<TDrawable>(TDrawable d) => d.Y = StartValue;
+
+        public override TransformSequence<TDrawable> ApplyTransforms<TDrawable>(TDrawable d)
+            => d.MoveToY(StartValue).Then().MoveToY(EndValue, Duration, Easing);
+    }
+}

osu.Game/Storyboards/Drawables/DrawableStoryboardVideo.cs

@@ -1,11 +1,16 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using System;
+using System.IO;
+using System.Linq;
 using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Textures;
 using osu.Framework.Graphics.Video;
+using osu.Framework.Utils;
+using osuTK;
 
 namespace osu.Game.Storyboards.Drawables
 {
@@ -13,7 +18,7 @@ namespace osu.Game.Storyboards.Drawables
     {
         public readonly StoryboardVideo Video;
 
-        private Video? drawableVideo;
+        private DrawableVideo? drawableVideo;
 
         public override bool RemoveWhenNotAlive => false;
 
@@ -25,7 +30,7 @@ namespace osu.Game.Storyboards.Drawables
             // This allows scaling based on the video's absolute size.
             //
             // If not specified we take up the full available space.
-            bool useRelative = !video.TimelineGroup.Scale.HasCommands;
+            bool useRelative = !video.Commands.Scale.Any();
 
             RelativeSizeAxes = useRelative ? Axes.Both : Axes.None;
             AutoSizeAxes = useRelative ? Axes.None : Axes.Both;
@@ -42,7 +47,7 @@ namespace osu.Game.Storyboards.Drawables
             if (stream == null)
                 return;
 
-            InternalChild = drawableVideo = new Video(stream, false)
+            InternalChild = drawableVideo = new DrawableVideo(stream, false)
             {
                 RelativeSizeAxes = RelativeSizeAxes,
                 FillMode = FillMode.Fill,
@@ -70,5 +75,65 @@ namespace osu.Game.Storyboards.Drawables
                     drawableVideo.FadeOut(500);
             }
         }
+
+        private partial class DrawableVideo : Video, IFlippable, IVectorScalable
+        {
+            private bool flipH;
+
+            public bool FlipH
+            {
+                get => flipH;
+                set
+                {
+                    if (flipH == value)
+                        return;
+
+                    flipH = value;
+                    Invalidate(Invalidation.MiscGeometry);
+                }
+            }
+
+            private bool flipV;
+
+            public bool FlipV
+            {
+                get => flipV;
+                set
+                {
+                    if (flipV == value)
+                        return;
+
+                    flipV = value;
+                    Invalidate(Invalidation.MiscGeometry);
+                }
+            }
+
+            private Vector2 vectorScale = Vector2.One;
+
+            public Vector2 VectorScale
+            {
+                get => vectorScale;
+                set
+                {
+                    if (vectorScale == value)
+                        return;
+
+                    if (!Validation.IsFinite(value)) throw new ArgumentException($@"{nameof(VectorScale)} must be finite, but is {value}.");
+
+                    vectorScale = value;
+                    Invalidate(Invalidation.MiscGeometry);
+                }
+            }
+
+            protected override Vector2 DrawScale
+                => new Vector2(FlipH ? -base.DrawScale.X : base.DrawScale.X, FlipV ? -base.DrawScale.Y : base.DrawScale.Y) * VectorScale;
+
+            public override Anchor Origin => StoryboardExtensions.AdjustOrigin(base.Origin, VectorScale, FlipH, FlipV);
+
+            public DrawableVideo(Stream stream, bool startAtCurrentTime = true)
+                : base(stream, startAtCurrentTime)
+            {
+            }
+        }
     }
 }

osu.Game/Storyboards/Drawables/DrawablesExtensions.cs

@@ -1,30 +0,0 @@
-// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
-// See the LICENCE file in the repository root for full licence text.
-
-using osu.Framework.Graphics;
-using osu.Framework.Graphics.Transforms;
-
-namespace osu.Game.Storyboards.Drawables
-{
-    public static class DrawablesExtensions
-    {
-        /// <summary>
-        /// Adjusts <see cref="Drawable.Blending"/> after a delay.
-        /// </summary>
-        /// <returns>A <see cref="TransformSequence{T}"/> to which further transforms can be added.</returns>
-        public static TransformSequence<T> TransformBlendingMode<T>(this T drawable, BlendingParameters newValue, double delay = 0)
-            where T : Drawable
-            => drawable.TransformTo(drawable.PopulateTransform(new TransformBlendingParameters(), newValue, delay));
-    }
-
-    public class TransformBlendingParameters : Transform<BlendingParameters, Drawable>
-    {
-        private BlendingParameters valueAt(double time)
-            => time < EndTime ? StartValue : EndValue;
-
-        public override string TargetMember => nameof(Drawable.Blending);
-
-        protected override void Apply(Drawable d, double time) => d.Blending = valueAt(time);
-        protected override void ReadIntoStartValue(Drawable d) => StartValue = d.Blending;
-    }
-}

osu.Game/Storyboards/Drawables/IFlippable.cs

@@ -1,55 +1,13 @@
-// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
 using osu.Framework.Graphics;
-using osu.Framework.Graphics.Transforms;
 
 namespace osu.Game.Storyboards.Drawables
 {
-    internal interface IFlippable : ITransformable
+    public interface IFlippable : IDrawable
     {
         bool FlipH { get; set; }
         bool FlipV { get; set; }
     }
-
-    internal class TransformFlipH : Transform<bool, IFlippable>
-    {
-        private bool valueAt(double time)
-            => time < EndTime ? StartValue : EndValue;
-
-        public override string TargetMember => nameof(IFlippable.FlipH);
-
-        protected override void Apply(IFlippable d, double time) => d.FlipH = valueAt(time);
-        protected override void ReadIntoStartValue(IFlippable d) => StartValue = d.FlipH;
-    }
-
-    internal class TransformFlipV : Transform<bool, IFlippable>
-    {
-        private bool valueAt(double time)
-            => time < EndTime ? StartValue : EndValue;
-
-        public override string TargetMember => nameof(IFlippable.FlipV);
-
-        protected override void Apply(IFlippable d, double time) => d.FlipV = valueAt(time);
-        protected override void ReadIntoStartValue(IFlippable d) => StartValue = d.FlipV;
-    }
-
-    internal static class FlippableExtensions
-    {
-        /// <summary>
-        /// Adjusts <see cref="IFlippable.FlipH"/> after a delay.
-        /// </summary>
-        /// <returns>A <see cref="TransformSequence{T}"/> to which further transforms can be added.</returns>
-        public static TransformSequence<T> TransformFlipH<T>(this T flippable, bool newValue, double delay = 0)
-            where T : class, IFlippable
-            => flippable.TransformTo(flippable.PopulateTransform(new TransformFlipH(), newValue, delay));
-
-        /// <summary>
-        /// Adjusts <see cref="IFlippable.FlipV"/> after a delay.
-        /// </summary>
-        /// <returns>A <see cref="TransformSequence{T}"/> to which further transforms can be added.</returns>
-        public static TransformSequence<T> TransformFlipV<T>(this T flippable, bool newValue, double delay = 0)
-            where T : class, IFlippable
-            => flippable.TransformTo(flippable.PopulateTransform(new TransformFlipV(), newValue, delay));
-    }
 }

osu.Game/Storyboards/Drawables/IVectorScalable.cs

@@ -1,21 +1,13 @@
-// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
 using osu.Framework.Graphics;
-using osu.Framework.Graphics.Transforms;
 using osuTK;
 
 namespace osu.Game.Storyboards.Drawables
 {
-    internal interface IVectorScalable : ITransformable
+    public interface IVectorScalable : IDrawable
     {
         Vector2 VectorScale { get; set; }
     }
-
-    internal static class VectorScalableExtensions
-    {
-        public static TransformSequence<T> VectorScaleTo<T>(this T target, Vector2 newVectorScale, double duration = 0, Easing easing = Easing.None)
-            where T : class, IVectorScalable
-            => target.TransformTo(nameof(IVectorScalable.VectorScale), newVectorScale, duration, easing);
-    }
 }

osu.Game/Storyboards/StoryboardAnimation.cs

@@ -21,8 +21,7 @@ namespace osu.Game.Storyboards
             LoopType = loopType;
         }
 
-        public override Drawable CreateDrawable()
-            => new DrawableStoryboardAnimation(this);
+        public override Drawable CreateDrawable() => new DrawableStoryboardAnimation(this);
     }
 
     public enum AnimationLoopType

osu.Game/Storyboards/StoryboardSprite.cs

@@ -5,6 +5,7 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using osu.Framework.Graphics;
+using osu.Game.Storyboards.Commands;
 using osu.Game.Storyboards.Drawables;
 using osuTK;
 
@@ -12,8 +13,8 @@ namespace osu.Game.Storyboards
 {
     public class StoryboardSprite : IStoryboardElementWithDuration
     {
-        private readonly List<CommandLoop> loops = new List<CommandLoop>();
-        private readonly List<CommandTrigger> triggers = new List<CommandTrigger>();
+        private readonly List<StoryboardLoopingGroup> loopingGroups = new List<StoryboardLoopingGroup>();
+        private readonly List<StoryboardTriggerGroup> triggerGroups = new List<StoryboardTriggerGroup>();
 
         public string Path { get; }
         public bool IsDrawable => HasCommands;
@@ -21,7 +22,7 @@ namespace osu.Game.Storyboards
         public Anchor Origin;
         public Vector2 InitialPosition;
 
-        public readonly CommandTimelineGroup TimelineGroup = new CommandTimelineGroup();
+        public readonly StoryboardCommandGroup Commands = new StoryboardCommandGroup();
 
         public double StartTime
         {
@@ -34,13 +35,13 @@ namespace osu.Game.Storyboards
                 // anything before that point can be ignored (the sprite is not visible after all).
                 var alphaCommands = new List<(double startTime, bool isZeroStartValue)>();
 
-                var command = TimelineGroup.Alpha.Commands.FirstOrDefault();
+                var command = Commands.Alpha.FirstOrDefault();
                 if (command != null) alphaCommands.Add((command.StartTime, command.StartValue == 0));
 
-                foreach (var loop in loops)
+                foreach (var loop in loopingGroups)
                 {
-                    command = loop.Alpha.Commands.FirstOrDefault();
-                    if (command != null) alphaCommands.Add((command.StartTime + loop.LoopStartTime, command.StartValue == 0));
+                    command = loop.Alpha.FirstOrDefault();
+                    if (command != null) alphaCommands.Add((command.StartTime, command.StartValue == 0));
                 }
 
                 if (alphaCommands.Count > 0)
@@ -61,8 +62,8 @@ namespace osu.Game.Storyboards
             {
                 // If we got to this point, either no alpha commands were present, or the earliest had a non-zero start value.
                 // The sprite's StartTime will be determined by the earliest command, regardless of type.
-                double earliestStartTime = TimelineGroup.StartTime;
-                foreach (var l in loops)
+                double earliestStartTime = Commands.StartTime;
+                foreach (var l in loopingGroups)
                     earliestStartTime = Math.Min(earliestStartTime, l.StartTime);
                 return earliestStartTime;
             }
@@ -72,9 +73,9 @@ namespace osu.Game.Storyboards
         {
             get
             {
-                double latestEndTime = TimelineGroup.EndTime;
+                double latestEndTime = Commands.EndTime;
 
-                foreach (var l in loops)
+                foreach (var l in loopingGroups)
                     latestEndTime = Math.Max(latestEndTime, l.EndTime);
 
                 return latestEndTime;
@@ -85,20 +86,16 @@ namespace osu.Game.Storyboards
         {
             get
             {
-                double latestEndTime = TimelineGroup.EndTime;
+                double latestEndTime = Commands.EndTime;
 
-                foreach (var l in loops)
-                    latestEndTime = Math.Max(latestEndTime, l.StartTime + l.CommandsDuration * l.TotalIterations);
+                foreach (var l in loopingGroups)
+                    latestEndTime = Math.Max(latestEndTime, l.StartTime + l.Duration * l.TotalIterations);
 
                 return latestEndTime;
             }
         }
 
-        public bool HasCommands => TimelineGroup.HasCommands || loops.Any(l => l.HasCommands);
-
-        private delegate void DrawablePropertyInitializer<in T>(Drawable drawable, T value);
-
-        private delegate void DrawableTransformer<in T>(Drawable drawable, T value, double duration, Easing easing);
+        public bool HasCommands => Commands.HasCommands || loopingGroups.Any(l => l.HasCommands);
 
         public StoryboardSprite(string path, Anchor origin, Vector2 initialPosition)
         {
@@ -107,127 +104,39 @@ namespace osu.Game.Storyboards
             InitialPosition = initialPosition;
         }
 
-        public CommandLoop AddLoop(double startTime, int repeatCount)
+        public virtual Drawable CreateDrawable() => new DrawableStoryboardSprite(this);
+
+        public StoryboardLoopingGroup AddLoopingGroup(double loopStartTime, int repeatCount)
         {
-            var loop = new CommandLoop(startTime, repeatCount);
-            loops.Add(loop);
+            var loop = new StoryboardLoopingGroup(loopStartTime, repeatCount);
+            loopingGroups.Add(loop);
             return loop;
         }
 
-        public CommandTrigger AddTrigger(string triggerName, double startTime, double endTime, int groupNumber)
+        public StoryboardTriggerGroup AddTriggerGroup(string triggerName, double startTime, double endTime, int groupNumber)
         {
-            var trigger = new CommandTrigger(triggerName, startTime, endTime, groupNumber);
-            triggers.Add(trigger);
+            var trigger = new StoryboardTriggerGroup(triggerName, startTime, endTime, groupNumber);
+            triggerGroups.Add(trigger);
             return trigger;
         }
 
-        public virtual Drawable CreateDrawable()
-            => new DrawableStoryboardSprite(this);
-
-        public void ApplyTransforms(Drawable drawable, IEnumerable<Tuple<CommandTimelineGroup, double>>? triggeredGroups = null)
+        public void ApplyTransforms<TDrawable>(TDrawable drawable)
+            where TDrawable : Drawable, IFlippable, IVectorScalable
         {
-            // For performance reasons, we need to apply the commands in order by start time. Not doing so will cause many functions to be interleaved, resulting in O(n^2) complexity.
-            // To achieve this, commands are "generated" as pairs of (command, initFunc, transformFunc) and batched into a contiguous list
-            // The list is then stably-sorted (to preserve command order), and applied to the drawable sequentially.
+            HashSet<string> appliedProperties = new HashSet<string>();
 
-            List<IGeneratedCommand> generated = new List<IGeneratedCommand>();
+            // For performance reasons, we need to apply the commands in chronological order.
+            // Not doing so will cause many functions to be interleaved, resulting in O(n^2) complexity.
+            IEnumerable<IStoryboardCommand> commands = Commands.AllCommands;
+            commands = commands.Concat(loopingGroups.SelectMany(l => l.AllCommands));
 
-            generateCommands(generated, getCommands(g => g.X, triggeredGroups), (d, value) => d.X = value, (d, value, duration, easing) => d.MoveToX(value, duration, easing));
-            generateCommands(generated, getCommands(g => g.Y, triggeredGroups), (d, value) => d.Y = value, (d, value, duration, easing) => d.MoveToY(value, duration, easing));
-            generateCommands(generated, getCommands(g => g.Scale, triggeredGroups), (d, value) => d.Scale = new Vector2(value), (d, value, duration, easing) => d.ScaleTo(value, duration, easing));
-            generateCommands(generated, getCommands(g => g.Rotation, triggeredGroups), (d, value) => d.Rotation = value, (d, value, duration, easing) => d.RotateTo(value, duration, easing));
-            generateCommands(generated, getCommands(g => g.Colour, triggeredGroups), (d, value) => d.Colour = value, (d, value, duration, easing) => d.FadeColour(value, duration, easing));
-            generateCommands(generated, getCommands(g => g.Alpha, triggeredGroups), (d, value) => d.Alpha = value, (d, value, duration, easing) => d.FadeTo(value, duration, easing));
-            generateCommands(generated, getCommands(g => g.BlendingParameters, triggeredGroups), (d, value) => d.Blending = value, (d, value, duration, _) => d.TransformBlendingMode(value, duration),
-                false);
-
-            if (drawable is IVectorScalable vectorScalable)
+            foreach (var command in commands.OrderBy(c => c.StartTime))
             {
-                generateCommands(generated, getCommands(g => g.VectorScale, triggeredGroups), (_, value) => vectorScalable.VectorScale = value,
-                    (_, value, duration, easing) => vectorScalable.VectorScaleTo(value, duration, easing));
-            }
-
-            if (drawable is IFlippable flippable)
-            {
-                generateCommands(generated, getCommands(g => g.FlipH, triggeredGroups), (_, value) => flippable.FlipH = value, (_, value, duration, _) => flippable.TransformFlipH(value, duration),
-                    false);
-                generateCommands(generated, getCommands(g => g.FlipV, triggeredGroups), (_, value) => flippable.FlipV = value, (_, value, duration, _) => flippable.TransformFlipV(value, duration),
-                    false);
-            }
-
-            foreach (var command in generated.OrderBy(g => g.StartTime))
-                command.ApplyTo(drawable);
-        }
-
-        private void generateCommands<T>(List<IGeneratedCommand> resultList, IEnumerable<CommandTimeline<T>.TypedCommand> commands,
-                                         DrawablePropertyInitializer<T> initializeProperty, DrawableTransformer<T> transform, bool alwaysInitialize = true)
-        {
-            bool initialized = false;
-
-            foreach (var command in commands)
-            {
-                DrawablePropertyInitializer<T>? initFunc = null;
-
-                if (!initialized)
-                {
-                    if (alwaysInitialize || command.StartTime == command.EndTime)
-                        initFunc = initializeProperty;
-                    initialized = true;
-                }
-
-                resultList.Add(new GeneratedCommand<T>(command, initFunc, transform));
-            }
-        }
-
-        private IEnumerable<CommandTimeline<T>.TypedCommand> getCommands<T>(CommandTimelineSelector<T> timelineSelector, IEnumerable<Tuple<CommandTimelineGroup, double>>? triggeredGroups)
-        {
-            var commands = TimelineGroup.GetCommands(timelineSelector);
-            foreach (var loop in loops)
-                commands = commands.Concat(loop.GetCommands(timelineSelector));
-
-            if (triggeredGroups != null)
-            {
-                foreach (var pair in triggeredGroups)
-                    commands = commands.Concat(pair.Item1.GetCommands(timelineSelector, pair.Item2));
-            }
-
-            return commands;
-        }
-
-        public override string ToString()
-            => $"{Path}, {Origin}, {InitialPosition}";
-
-        private interface IGeneratedCommand
-        {
-            double StartTime { get; }
-
-            void ApplyTo(Drawable drawable);
-        }
-
-        private readonly struct GeneratedCommand<T> : IGeneratedCommand
-        {
-            public double StartTime => command.StartTime;
-
-            private readonly DrawablePropertyInitializer<T>? initializeProperty;
-            private readonly DrawableTransformer<T> transform;
-            private readonly CommandTimeline<T>.TypedCommand command;
-
-            public GeneratedCommand(CommandTimeline<T>.TypedCommand command, DrawablePropertyInitializer<T>? initializeProperty, DrawableTransformer<T> transform)
-            {
-                this.command = command;
-                this.initializeProperty = initializeProperty;
-                this.transform = transform;
-            }
-
-            public void ApplyTo(Drawable drawable)
-            {
-                initializeProperty?.Invoke(drawable, command.StartValue);
+                if (appliedProperties.Add(command.PropertyName))
+                    command.ApplyInitialValue(drawable);
 
                 using (drawable.BeginAbsoluteSequence(command.StartTime))
-                {
-                    transform(drawable, command.StartValue, 0, Easing.None);
-                    transform(drawable, command.EndValue, command.Duration, command.Easing);
-                }
+                    command.ApplyTransforms(drawable);
             }
         }
     }

osu.Game/Storyboards/StoryboardVideo.cs

@@ -14,7 +14,7 @@ namespace osu.Game.Storyboards
         {
             // This is just required to get a valid StartTime based on the incoming offset.
             // Actual fades are handled inside DrawableStoryboardVideo for now.
-            TimelineGroup.Alpha.Add(Easing.None, offset, offset, 0, 0);
+            Commands.AddAlpha(Easing.None, offset, offset, 0, 0);
         }
 
         public override Drawable CreateDrawable() => new DrawableStoryboardVideo(this);

osu.sln.DotSettings

@@ -347,6 +347,7 @@
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=GL/@EntryIndexedValue">GL</s:String>
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=GLSL/@EntryIndexedValue">GLSL</s:String>
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=HID/@EntryIndexedValue">HID</s:String>
+	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=HP/@EntryIndexedValue">HP</s:String>
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=HSL/@EntryIndexedValue">HSL</s:String>
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=HSPA/@EntryIndexedValue">HSPA</s:String>
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=HSV/@EntryIndexedValue">HSV</s:String>