Merge branch 'master' into fixes

osu-framework

@@ -1 +1 @@
-Subproject commit 5a9ca94fc31bc796b45572eb3d0b27b46556c586
+Subproject commit 96daf2053a8a19fe221fef2557674ca5bee808fb

osu.Desktop.VisualTests/Tests/TestCaseMusicController.cs

@@ -1,11 +1,15 @@
 // Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
-using osu.Framework.Testing;
+using osu.Framework.Allocation;
+using osu.Framework.Configuration;
 using osu.Framework.Graphics;
-using osu.Framework.Timing;
-using osu.Game.Overlays;
 using osu.Framework.Graphics.Containers;
+using osu.Framework.Testing;
+using osu.Framework.Timing;
+using osu.Game;
+using osu.Game.Beatmaps;
+using osu.Game.Overlays;
 
 namespace osu.Desktop.VisualTests.Tests
 {
@@ -13,6 +17,8 @@ namespace osu.Desktop.VisualTests.Tests
     {
         public override string Description => @"Tests music controller ui.";
 
+        private readonly Bindable<WorkingBeatmap> beatmapBacking = new Bindable<WorkingBeatmap>();
+
         public TestCaseMusicController()
         {
             Clock = new FramedClock();
@@ -26,6 +32,13 @@ namespace osu.Desktop.VisualTests.Tests
 
             AddToggleStep(@"toggle visibility", state => mc.State = state ? Visibility.Visible : Visibility.Hidden);
             AddStep(@"show", () => mc.State = Visibility.Visible);
+            AddToggleStep(@"toggle beatmap lock", state => beatmapBacking.Disabled = state);
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(OsuGameBase game)
+        {
+            beatmapBacking.BindTo(game.Beatmap);
         }
     }
 }

osu.Desktop.VisualTests/Tests/TestCaseTextAwesome.cs

@@ -31,10 +31,10 @@ namespace osu.Desktop.VisualTests.Tests
             int i = 50;
             foreach (FontAwesome fa in Enum.GetValues(typeof(FontAwesome)))
             {
-                flow.Add(new TextAwesome
+                flow.Add(new SpriteIcon
                 {
                     Icon = fa,
-                    TextSize = 60,
+                    Size = new Vector2(60),
                     Colour = new Color4(
                         Math.Max(0.5f, RNG.NextSingle()),
                         Math.Max(0.5f, RNG.NextSingle()),

osu.Desktop/OsuGameDesktop.cs

@@ -1,6 +1,7 @@
 // Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
+using System;
 using osu.Game;
 using System.Linq;
 using System.Windows.Forms;
@@ -11,6 +12,7 @@ using System.Reflection;
 using System.Drawing;
 using System.IO;
 using System.Threading.Tasks;
+using Microsoft.Win32;
 using osu.Framework.Graphics.Containers;
 using osu.Game.Screens.Menu;
 
@@ -30,6 +32,58 @@ namespace osu.Desktop
             };
         }
 
+        public override Storage GetStorageForStableInstall()
+        {
+            try
+            {
+                return new StableStorage();
+            }
+            catch
+            {
+                return null;
+            }
+        }
+
+        /// <summary>
+        /// A method of accessing an osu-stable install in a controlled fashion.
+        /// </summary>
+        private class StableStorage : DesktopStorage
+        {
+            protected override string LocateBasePath()
+            {
+                Func<string, bool> checkExists = p => Directory.Exists(Path.Combine(p, "Songs"));
+
+                string stableInstallPath;
+
+                try
+                {
+                    using (RegistryKey key = Registry.ClassesRoot.OpenSubKey("osu"))
+                        stableInstallPath = key?.OpenSubKey(@"shell\open\command")?.GetValue(String.Empty).ToString().Split('"')[1].Replace("osu!.exe", "");
+
+                    if (checkExists(stableInstallPath))
+                        return stableInstallPath;
+                }
+                catch
+                {
+                }
+
+                stableInstallPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), @"osu!");
+                if (checkExists(stableInstallPath))
+                    return stableInstallPath;
+
+                stableInstallPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.UserProfile), ".osu");
+                if (checkExists(stableInstallPath))
+                    return stableInstallPath;
+
+                return null;
+            }
+
+            public StableStorage()
+                : base(string.Empty)
+            {
+            }
+        }
+
         protected override void LoadComplete()
         {
             base.LoadComplete();

osu.Desktop/Overlays/VersionManager.cs

@@ -209,13 +209,13 @@ namespace osu.Desktop.Overlays
                         RelativeSizeAxes = Axes.Both,
                         Colour = ColourInfo.GradientVertical(colours.YellowDark, colours.Yellow)
                     },
-                    new TextAwesome
+                    new SpriteIcon
                     {
                         Anchor = Anchor.Centre,
                         Origin = Anchor.Centre,
                         Icon = FontAwesome.fa_upload,
                         Colour = Color4.White,
-                        TextSize = 20
+                        Size = new Vector2(20),
                     }
                 });
             }

osu.Game.Rulesets.Catch/CatchRuleset.cs

@@ -10,6 +10,7 @@ using osu.Game.Rulesets.Mods;
 using osu.Game.Rulesets.UI;
 using osu.Game.Screens.Play;
 using System.Collections.Generic;
+using osu.Framework.Graphics;
 using osu.Game.Rulesets.Catch.Scoring;
 using osu.Game.Rulesets.Scoring;
 
@@ -87,7 +88,7 @@ namespace osu.Game.Rulesets.Catch
 
         public override string Description => "osu!catch";
 
-        public override FontAwesome Icon => FontAwesome.fa_osu_fruits_o;
+        public override Drawable CreateIcon() => new SpriteIcon { Icon = FontAwesome.fa_osu_fruits_o };
 
         public override IEnumerable<KeyCounter> CreateGameplayKeys() => new KeyCounter[]
         {

osu.Game.Rulesets.Mania/ManiaRuleset.cs

@@ -2,13 +2,14 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using osu.Game.Beatmaps;
-using osu.Game.Graphics;
 using osu.Game.Rulesets.Mania.Mods;
 using osu.Game.Rulesets.Mania.UI;
 using osu.Game.Rulesets.Mods;
 using osu.Game.Rulesets.UI;
 using osu.Game.Screens.Play;
 using System.Collections.Generic;
+using osu.Framework.Graphics;
+using osu.Game.Graphics;
 using osu.Game.Rulesets.Mania.Scoring;
 using osu.Game.Rulesets.Scoring;
 
@@ -108,7 +109,7 @@ namespace osu.Game.Rulesets.Mania
 
         public override string Description => "osu!mania";
 
-        public override FontAwesome Icon => FontAwesome.fa_osu_mania_o;
+        public override Drawable CreateIcon() => new SpriteIcon { Icon = FontAwesome.fa_osu_mania_o };
 
         public override IEnumerable<KeyCounter> CreateGameplayKeys() => new KeyCounter[] { /* Todo: Should be keymod specific */ };
 

osu.Game.Rulesets.Osu/Objects/Drawables/DrawableSpinner.cs

@@ -28,7 +28,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
         private readonly CirclePiece circle;
         private readonly GlowPiece glow;
 
-        private readonly TextAwesome symbol;
+        private readonly SpriteIcon symbol;
 
         private readonly Color4 baseColour = OsuColour.FromHex(@"002c3c");
         private readonly Color4 fillColour = OsuColour.FromHex(@"005b7c");
@@ -64,12 +64,11 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
                             Anchor = Anchor.Centre,
                         },
                         new RingPiece(),
-                        symbol = new TextAwesome
+                        symbol = new SpriteIcon
                         {
                             Anchor = Anchor.Centre,
                             Origin = Anchor.Centre,
-                            UseFullGlyphHeight = true,
-                            TextSize = 48,
+                            Size = new Vector2(48),
                             Icon = FontAwesome.fa_asterisk,
                             Shadow = false,
                         },

osu.Game.Rulesets.Osu/Objects/Drawables/Pieces/SliderBouncer.cs

@@ -4,6 +4,7 @@
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Game.Graphics;
+using OpenTK;
 
 namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
 {
@@ -11,7 +12,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
     {
         private readonly Slider slider;
         private readonly bool isEnd;
-        private readonly TextAwesome icon;
+        private readonly SpriteIcon icon;
 
         public SliderBouncer(Slider slider, bool isEnd)
         {
@@ -24,12 +25,12 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
 
             Children = new Drawable[]
             {
-                icon = new TextAwesome
+                icon = new SpriteIcon
                 {
                     Icon = FontAwesome.fa_eercast,
                     Anchor = Anchor.Centre,
                     Origin = Anchor.Centre,
-                    TextSize = 48,
+                    Size = new Vector2(48),
                 }
             };
         }

osu.Game.Rulesets.Osu/OsuRuleset.cs

@@ -13,6 +13,7 @@ using osu.Game.Rulesets.UI;
 using osu.Game.Screens.Play;
 using System.Collections.Generic;
 using System.Linq;
+using osu.Framework.Graphics;
 using osu.Game.Rulesets.Osu.Scoring;
 using osu.Game.Rulesets.Scoring;
 using osu.Game.Overlays.Settings;
@@ -106,7 +107,7 @@ namespace osu.Game.Rulesets.Osu
 
         public override Mod GetAutoplayMod() => new OsuModAutoplay();
 
-        public override FontAwesome Icon => FontAwesome.fa_osu_osu_o;
+        public override Drawable CreateIcon() => new SpriteIcon { Icon = FontAwesome.fa_osu_osu_o };
 
         public override DifficultyCalculator CreateDifficultyCalculator(Beatmap beatmap) => new OsuDifficultyCalculator(beatmap);
 

osu.Game.Rulesets.Taiko/Objects/Drawables/Pieces/SwellSymbolPiece.cs

@@ -3,20 +3,20 @@
 
 using osu.Framework.Graphics;
 using osu.Game.Graphics;
+using OpenTK;
 
 namespace osu.Game.Rulesets.Taiko.Objects.Drawables.Pieces
 {
     /// <summary>
     /// The symbol used for swell pieces.
     /// </summary>
-    public class SwellSymbolPiece : TextAwesome
+    public class SwellSymbolPiece : SpriteIcon
     {
         public SwellSymbolPiece()
         {
             Anchor = Anchor.Centre;
             Origin = Anchor.Centre;
-            UseFullGlyphHeight = true;
-            TextSize = CirclePiece.SYMBOL_INNER_SIZE;
+            Size = new Vector2(CirclePiece.SYMBOL_INNER_SIZE);
             Icon = FontAwesome.fa_asterisk;
             Shadow = false;
         }

osu.Game.Rulesets.Taiko/TaikoRuleset.cs

@@ -10,6 +10,7 @@ using osu.Game.Rulesets.Taiko.UI;
 using osu.Game.Rulesets.UI;
 using osu.Game.Screens.Play;
 using System.Collections.Generic;
+using osu.Framework.Graphics;
 using osu.Game.Rulesets.Scoring;
 using osu.Game.Rulesets.Taiko.Scoring;
 
@@ -87,7 +88,7 @@ namespace osu.Game.Rulesets.Taiko
 
         public override string Description => "osu!taiko";
 
-        public override FontAwesome Icon => FontAwesome.fa_osu_taiko_o;
+        public override Drawable CreateIcon() => new SpriteIcon { Icon = FontAwesome.fa_osu_taiko_o };
 
         public override IEnumerable<KeyCounter> CreateGameplayKeys() => new KeyCounter[]
         {

osu.Game/Beatmaps/BeatmapManager.cs

@@ -17,9 +17,9 @@ using osu.Game.Beatmaps.Formats;
 using osu.Game.Beatmaps.IO;
 using osu.Game.IO;
 using osu.Game.IPC;
+using osu.Game.Overlays.Notifications;
 using osu.Game.Rulesets;
 using SQLite.Net;
-using FileInfo = osu.Game.IO.FileInfo;
 
 namespace osu.Game.Beatmaps
 {
@@ -47,6 +47,8 @@ namespace osu.Game.Beatmaps
 
         private readonly FileStore files;
 
+        private readonly SQLiteConnection connection;
+
         private readonly RulesetStore rulesets;
 
         private readonly BeatmapStore beatmaps;
@@ -54,6 +56,16 @@ namespace osu.Game.Beatmaps
         // ReSharper disable once NotAccessedField.Local (we should keep a reference to this so it is not finalised)
         private BeatmapIPCChannel ipc;
 
+        /// <summary>
+        /// Set an endpoint for notifications to be posted to.
+        /// </summary>
+        public Action<Notification> PostNotification { private get; set; }
+
+        /// <summary>
+        /// Set a storage with access to an osu-stable install for import purposes.
+        /// </summary>
+        public Func<Storage> GetStableStorage { private get; set; }
+
         public BeatmapManager(Storage storage, FileStore files, SQLiteConnection connection, RulesetStore rulesets, IIpcHost importHost = null)
         {
             beatmaps = new BeatmapStore(connection);
@@ -62,6 +74,7 @@ namespace osu.Game.Beatmaps
 
             this.storage = storage;
             this.files = files;
+            this.connection = connection;
             this.rulesets = rulesets;
 
             if (importHost != null)
@@ -69,29 +82,48 @@ namespace osu.Game.Beatmaps
         }
 
         /// <summary>
-        /// Import multiple <see cref="BeatmapSetInfo"/> from filesystem <paramref name="paths"/>.
+        /// Import one or more <see cref="BeatmapSetInfo"/> from filesystem <paramref name="paths"/>.
+        /// This will post a notification tracking import progress.
         /// </summary>
-        /// <param name="paths">Multiple locations on disk.</param>
+        /// <param name="paths">One or more beatmap locations on disk.</param>
         public void Import(params string[] paths)
         {
+            var notification = new ProgressNotification
+            {
+                Text = "Beatmap import is initialising...",
+                Progress = 0,
+                State = ProgressNotificationState.Active,
+            };
+
+            PostNotification?.Invoke(notification);
+
+            int i = 0;
             foreach (string path in paths)
             {
+                if (notification.State == ProgressNotificationState.Cancelled)
+                    // user requested abort
+                    return;
+
                 try
                 {
+                    notification.Text = $"Importing ({i} of {paths.Length})\n{Path.GetFileName(path)}";
                     using (ArchiveReader reader = getReaderFrom(path))
                         Import(reader);
 
+                    notification.Progress = (float)++i / paths.Length;
+
                     // We may or may not want to delete the file depending on where it is stored.
                     //  e.g. reconstructing/repairing database with beatmaps from default storage.
                     // Also, not always a single file, i.e. for LegacyFilesystemReader
                     // TODO: Add a check to prevent files from storage to be deleted.
                     try
                     {
-                        File.Delete(path);
+                        if (File.Exists(path))
+                            File.Delete(path);
                     }
                     catch (Exception e)
                     {
-                        Logger.Error(e, $@"Could not delete file at {path}");
+                        Logger.Error(e, $@"Could not delete original file after import ({Path.GetFileName(path)})");
                     }
                 }
                 catch (Exception e)
@@ -100,16 +132,24 @@ namespace osu.Game.Beatmaps
                     Logger.Error(e, @"Could not import beatmap set");
                 }
             }
+
+            notification.State = ProgressNotificationState.Completed;
         }
 
+        private readonly object importLock = new object();
+
         /// <summary>
         /// Import a beatmap from an <see cref="ArchiveReader"/>.
         /// </summary>
         /// <param name="archiveReader">The beatmap to be imported.</param>
         public BeatmapSetInfo Import(ArchiveReader archiveReader)
         {
-            BeatmapSetInfo set = importToStorage(archiveReader);
-            Import(set);
+            BeatmapSetInfo set = null;
+
+            // let's only allow one concurrent import at a time for now.
+            lock (importLock)
+                connection.RunInTransaction(() => Import(set = importToStorage(archiveReader)));
+
             return set;
         }
 
@@ -122,7 +162,8 @@ namespace osu.Game.Beatmaps
             // If we have an ID then we already exist in the database.
             if (beatmapSetInfo.ID != 0) return;
 
-            beatmaps.Add(beatmapSetInfo);
+            lock (beatmaps)
+                beatmaps.Add(beatmapSetInfo);
         }
 
         /// <summary>
@@ -132,10 +173,11 @@ namespace osu.Game.Beatmaps
         /// <param name="beatmapSet">The beatmap to delete.</param>
         public void Delete(BeatmapSetInfo beatmapSet)
         {
-            if (!beatmaps.Delete(beatmapSet)) return;
+            lock (beatmaps)
+                if (!beatmaps.Delete(beatmapSet)) return;
 
             if (!beatmapSet.Protected)
-                files.Dereference(beatmapSet.Files);
+                files.Dereference(beatmapSet.Files.Select(f => f.FileInfo).ToArray());
         }
 
         /// <summary>
@@ -145,9 +187,11 @@ namespace osu.Game.Beatmaps
         /// <param name="beatmapSet">The beatmap to restore.</param>
         public void Undelete(BeatmapSetInfo beatmapSet)
         {
-            if (!beatmaps.Undelete(beatmapSet)) return;
+            lock (beatmaps)
+                if (!beatmaps.Undelete(beatmapSet)) return;
 
-            files.Reference(beatmapSet.Files);
+            if (!beatmapSet.Protected)
+                files.Reference(beatmapSet.Files.Select(f => f.FileInfo).ToArray());
         }
 
         /// <summary>
@@ -161,7 +205,8 @@ namespace osu.Game.Beatmaps
             if (beatmapInfo == null || beatmapInfo == DefaultBeatmap?.BeatmapInfo)
                 return DefaultBeatmap;
 
-            beatmaps.Populate(beatmapInfo);
+            lock (beatmaps)
+                beatmaps.Populate(beatmapInfo);
 
             if (beatmapInfo.BeatmapSet == null)
                 throw new InvalidOperationException($@"Beatmap set {beatmapInfo.BeatmapSetInfoID} is not in the local database.");
@@ -181,7 +226,8 @@ namespace osu.Game.Beatmaps
         /// </summary>
         public void Reset()
         {
-            beatmaps.Reset();
+            lock (beatmaps)
+                beatmaps.Reset();
         }
 
         /// <summary>
@@ -191,12 +237,15 @@ namespace osu.Game.Beatmaps
         /// <returns>The first result for the provided query, or null if no results were found.</returns>
         public BeatmapSetInfo QueryBeatmapSet(Func<BeatmapSetInfo, bool> query)
         {
-            BeatmapSetInfo set = beatmaps.Query<BeatmapSetInfo>().FirstOrDefault(query);
+            lock (beatmaps)
+            {
+                BeatmapSetInfo set = beatmaps.Query<BeatmapSetInfo>().FirstOrDefault(query);
 
-            if (set != null)
-                beatmaps.Populate(set);
+                if (set != null)
+                    beatmaps.Populate(set);
 
-            return set;
+                return set;
+            }
         }
 
         /// <summary>
@@ -204,7 +253,10 @@ namespace osu.Game.Beatmaps
         /// </summary>
         /// <param name="query">The query.</param>
         /// <returns>Results from the provided query.</returns>
-        public List<BeatmapSetInfo> QueryBeatmapSets(Expression<Func<BeatmapSetInfo, bool>> query) => beatmaps.QueryAndPopulate(query);
+        public List<BeatmapSetInfo> QueryBeatmapSets(Expression<Func<BeatmapSetInfo, bool>> query)
+        {
+            lock (beatmaps) return beatmaps.QueryAndPopulate(query);
+        }
 
         /// <summary>
         /// Perform a lookup query on available <see cref="BeatmapInfo"/>s.
@@ -213,12 +265,15 @@ namespace osu.Game.Beatmaps
         /// <returns>The first result for the provided query, or null if no results were found.</returns>
         public BeatmapInfo QueryBeatmap(Func<BeatmapInfo, bool> query)
         {
-            BeatmapInfo set = beatmaps.Query<BeatmapInfo>().FirstOrDefault(query);
+            lock (beatmaps)
+            {
+                BeatmapInfo set = beatmaps.Query<BeatmapInfo>().FirstOrDefault(query);
 
-            if (set != null)
-                beatmaps.Populate(set);
+                if (set != null)
+                    beatmaps.Populate(set);
 
-            return set;
+                return set;
+            }
         }
 
         /// <summary>
@@ -226,7 +281,10 @@ namespace osu.Game.Beatmaps
         /// </summary>
         /// <param name="query">The query.</param>
         /// <returns>Results from the provided query.</returns>
-        public List<BeatmapInfo> QueryBeatmaps(Expression<Func<BeatmapInfo, bool>> query) => beatmaps.QueryAndPopulate(query);
+        public List<BeatmapInfo> QueryBeatmaps(Expression<Func<BeatmapInfo, bool>> query)
+        {
+            lock (beatmaps) return beatmaps.QueryAndPopulate(query);
+        }
 
         /// <summary>
         /// Creates an <see cref="ArchiveReader"/> from a valid storage path.
@@ -258,19 +316,26 @@ namespace osu.Game.Beatmaps
             var hash = hashable.ComputeSHA2Hash();
 
             // check if this beatmap has already been imported and exit early if so.
-            var beatmapSet = beatmaps.QueryAndPopulate<BeatmapSetInfo>().FirstOrDefault(b => b.Hash == hash);
+            BeatmapSetInfo beatmapSet;
+            lock (beatmaps)
+                beatmapSet = beatmaps.QueryAndPopulate<BeatmapSetInfo>(b => b.Hash == hash).FirstOrDefault();
+
             if (beatmapSet != null)
             {
                 Undelete(beatmapSet);
                 return beatmapSet;
             }
 
-            List<FileInfo> fileInfos = new List<FileInfo>();
+            List<BeatmapSetFileInfo> fileInfos = new List<BeatmapSetFileInfo>();
 
             // import files to manager
             foreach (string file in reader.Filenames)
                 using (Stream s = reader.GetStream(file))
-                    fileInfos.Add(files.Add(s, file));
+                    fileInfos.Add(new BeatmapSetFileInfo
+                    {
+                        Filename = file,
+                        FileInfo = files.Add(s)
+                    });
 
             BeatmapMetadata metadata;
 
@@ -325,10 +390,13 @@ namespace osu.Game.Beatmaps
         /// <returns>A list of available <see cref="BeatmapSetInfo"/>.</returns>
         public List<BeatmapSetInfo> GetAllUsableBeatmapSets(bool populate = true)
         {
-            if (populate)
-                return beatmaps.QueryAndPopulate<BeatmapSetInfo>(b => !b.DeletePending).ToList();
-            else
-                return beatmaps.Query<BeatmapSetInfo>(b => !b.DeletePending).ToList();
+            lock (beatmaps)
+            {
+                if (populate)
+                    return beatmaps.QueryAndPopulate<BeatmapSetInfo>(b => !b.DeletePending).ToList();
+                else
+                    return beatmaps.Query<BeatmapSetInfo>(b => !b.DeletePending).ToList();
+            }
         }
 
         protected class BeatmapManagerWorkingBeatmap : WorkingBeatmap
@@ -366,7 +434,7 @@ namespace osu.Game.Beatmaps
                 catch { return null; }
             }
 
-            private string getPathForFile(string filename) => BeatmapSetInfo.Files.First(f => f.Filename == filename).StoragePath;
+            private string getPathForFile(string filename) => BeatmapSetInfo.Files.First(f => f.Filename == filename).FileInfo.StoragePath;
 
             protected override Texture GetBackground()
             {
@@ -390,5 +458,51 @@ namespace osu.Game.Beatmaps
                 catch { return new TrackVirtual(); }
             }
         }
+
+        /// <summary>
+        /// This is a temporary method and will likely be replaced by a full-fledged (and more correctly placed) migration process in the future.
+        /// </summary>
+        public void ImportFromStable()
+        {
+            var stable = GetStableStorage?.Invoke();
+
+            if (stable == null)
+            {
+                Logger.Log("No osu!stable installation available!", LoggingTarget.Information, LogLevel.Error);
+                return;
+            }
+
+            Import(stable.GetDirectories("Songs"));
+        }
+
+        public void DeleteAll()
+        {
+            var maps = GetAllUsableBeatmapSets().ToArray();
+
+            if (maps.Length == 0) return;
+
+            var notification = new ProgressNotification
+            {
+                Progress = 0,
+                State = ProgressNotificationState.Active,
+            };
+
+            PostNotification?.Invoke(notification);
+
+            int i = 0;
+
+            foreach (var b in maps)
+            {
+                if (notification.State == ProgressNotificationState.Cancelled)
+                    // user requested abort
+                    return;
+
+                notification.Text = $"Deleting ({i} of {maps.Length})";
+                notification.Progress = (float)++i / maps.Length;
+                Delete(b);
+            }
+
+            notification.State = ProgressNotificationState.Completed;
+        }
     }
 }

osu.Game/Beatmaps/BeatmapSetFileInfo.cs

@@ -2,16 +2,26 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using osu.Game.IO;
+using SQLite.Net.Attributes;
 using SQLiteNetExtensions.Attributes;
 
 namespace osu.Game.Beatmaps
 {
     public class BeatmapSetFileInfo
     {
-        [ForeignKey(typeof(BeatmapSetInfo))]
+        [PrimaryKey, AutoIncrement]
+        public int ID { get; set; }
+
+        [ForeignKey(typeof(BeatmapSetInfo)), NotNull]
         public int BeatmapSetInfoID { get; set; }
 
-        [ForeignKey(typeof(FileInfo))]
+        [ForeignKey(typeof(FileInfo)), NotNull]
         public int FileInfoID { get; set; }
+
+        [OneToOne(CascadeOperations = CascadeOperation.CascadeRead)]
+        public FileInfo FileInfo { get; set; }
+
+        [NotNull]
+        public string Filename { get; set; }
     }
 }

osu.Game/Beatmaps/BeatmapSetInfo.cs

@@ -3,7 +3,6 @@
 
 using System.Collections.Generic;
 using System.Linq;
-using osu.Game.IO;
 using SQLite.Net.Attributes;
 using SQLiteNetExtensions.Attributes;
 
@@ -37,8 +36,8 @@ namespace osu.Game.Beatmaps
 
         public string StoryboardFile => Files.FirstOrDefault(f => f.Filename.EndsWith(".osb"))?.Filename;
 
-        [ManyToMany(typeof(BeatmapSetFileInfo), CascadeOperations = CascadeOperation.CascadeRead)]
-        public List<FileInfo> Files { get; set; }
+        [OneToMany(CascadeOperations = CascadeOperation.All)]
+        public List<BeatmapSetFileInfo> Files { get; set; }
 
         public bool Protected { get; set; }
     }

osu.Game/Beatmaps/BeatmapStore.cs

@@ -2,7 +2,6 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using System;
-using osu.Framework.Logging;
 using osu.Game.Database;
 using SQLite.Net;
 using SQLiteNetExtensions.Extensions;
@@ -21,7 +20,7 @@ namespace osu.Game.Beatmaps
         /// The current version of this store. Used for migrations (see <see cref="PerformMigration(int, int)"/>).
         /// The initial version is 1.
         /// </summary>
-        protected override int StoreVersion => 1;
+        protected override int StoreVersion => 2;
 
         public BeatmapStore(SQLiteConnection connection)
             : base(connection)
@@ -52,7 +51,11 @@ namespace osu.Game.Beatmaps
             Connection.CreateTable<BeatmapSetInfo>();
             Connection.CreateTable<BeatmapSetFileInfo>();
             Connection.CreateTable<BeatmapInfo>();
+        }
 
+        protected override void StartupTasks()
+        {
+            base.StartupTasks();
             cleanupPendingDeletions();
         }
 
@@ -60,24 +63,19 @@ namespace osu.Game.Beatmaps
         /// Perform migrations between two store versions.
         /// </summary>
         /// <param name="currentVersion">The current store version. This will be zero on a fresh database initialisation.</param>
-        /// <param name="newVersion">The target version which we are migrating to (equal to the current <see cref="StoreVersion"/>).</param>
-        protected override void PerformMigration(int currentVersion, int newVersion)
+        /// <param name="targetVersion">The target version which we are migrating to (equal to the current <see cref="StoreVersion"/>).</param>
+        protected override void PerformMigration(int currentVersion, int targetVersion)
         {
-            base.PerformMigration(currentVersion, newVersion);
+            base.PerformMigration(currentVersion, targetVersion);
 
-            while (currentVersion++ < newVersion)
+            while (currentVersion++ < targetVersion)
             {
                 switch (currentVersion)
                 {
                     case 1:
-                        // initialising from a version before we had versioning (or a fresh install).
-
-                        // force adding of Protected column (not automatically migrated).
-                        Connection.MigrateTable<BeatmapSetInfo>();
-
-                        // remove all existing beatmaps.
-                        foreach (var b in Connection.GetAllWithChildren<BeatmapSetInfo>(null, true))
-                            Connection.Delete(b, true);
+                    case 2:
+                        // cannot migrate; breaking underlying changes.
+                        Reset();
                         break;
                 }
             }
@@ -131,23 +129,11 @@ namespace osu.Game.Beatmaps
 
         private void cleanupPendingDeletions()
         {
-            foreach (var b in QueryAndPopulate<BeatmapSetInfo>(b => b.DeletePending && !b.Protected))
+            Connection.RunInTransaction(() =>
             {
-                try
-                {
-                    // many-to-many join table entries are not automatically tidied.
-                    Connection.Table<BeatmapSetFileInfo>().Delete(f => f.BeatmapSetInfoID == b.ID);
+                foreach (var b in QueryAndPopulate<BeatmapSetInfo>(b => b.DeletePending && !b.Protected))
                     Connection.Delete(b, true);
-                }
-                catch (Exception e)
-                {
-                    Logger.Error(e, $@"Could not delete beatmap {b}");
-                }
-            }
-
-            //this is required because sqlite migrations don't work, initially inserting nulls into this field.
-            //see https://github.com/praeclarum/sqlite-net/issues/326
-            Connection.Query<BeatmapSetInfo>("UPDATE BeatmapSetInfo SET DeletePending = 0 WHERE DeletePending IS NULL");
+            });
         }
     }
 }

osu.Game/Beatmaps/Drawables/DifficultyIcon.cs

@@ -4,8 +4,8 @@
 using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Game.Graphics;
+using osu.Game.Graphics.Containers;
 using OpenTK;
-using OpenTK.Graphics;
 
 namespace osu.Game.Beatmaps.Drawables
 {
@@ -22,23 +22,20 @@ namespace osu.Game.Beatmaps.Drawables
         [BackgroundDependencyLoader]
         private void load()
         {
-            Children = new[]
+            Children = new Drawable[]
             {
-                new TextAwesome
+                new SpriteIcon
                 {
                     Anchor = Anchor.Centre,
                     Origin = Anchor.Centre,
-                    TextSize = Size.X,
+                    RelativeSizeAxes = Axes.Both,
                     Colour = AccentColour,
                     Icon = FontAwesome.fa_circle
                 },
-                new TextAwesome
+                new ConstrainedIconContainer
                 {
-                    Anchor = Anchor.Centre,
-                    Origin = Anchor.Centre,
-                    TextSize = Size.X,
-                    Colour = Color4.White,
-                    Icon = beatmap.Ruleset.CreateInstance().Icon
+                    RelativeSizeAxes = Axes.Both,
+                    Icon = beatmap.Ruleset.CreateInstance().CreateIcon()
                 }
             };
         }

osu.Game/Beatmaps/Formats/OsuLegacyDecoder.cs

@@ -456,6 +456,11 @@ namespace osu.Game.Beatmaps.Formats
                         handleColours(beatmap, line, ref hasCustomColours);
                         break;
                     case Section.HitObjects:
+
+                        // If the ruleset wasn't specified, assume the osu!standard ruleset.
+                        if (parser == null)
+                            parser = new Rulesets.Objects.Legacy.Osu.ConvertHitObjectParser();
+
                         var obj = parser.Parse(line);
 
                         if (obj != null)

osu.Game/Database/DatabaseBackedStore.cs

@@ -41,7 +41,7 @@ namespace osu.Game.Database
         {
             var storeName = GetType().Name;
 
-            var reportedVersion = Connection.Table<StoreVersion>().FirstOrDefault(s => s.StoreName == storeName) ?? new StoreVersion
+            var reportedVersion = Connection.Table<StoreVersion>().Where(s => s.StoreName == storeName).FirstOrDefault() ?? new StoreVersion
             {
                 StoreName = storeName,
                 Version = 0
@@ -51,14 +51,30 @@ namespace osu.Game.Database
                 PerformMigration(reportedVersion.Version, reportedVersion.Version = StoreVersion);
 
             Connection.InsertOrReplace(reportedVersion);
+
+            StartupTasks();
         }
 
-        protected virtual void PerformMigration(int currentVersion, int newVersion)
+        /// <summary>
+        /// Called when the database version of this store doesn't match the local version.
+        /// Any manual migration operations should be performed in this.
+        /// </summary>
+        /// <param name="currentVersion">The current store version. This will be zero on a fresh database initialisation.</param>
+        /// <param name="targetVersion">The target version which we are migrating to (equal to the current <see cref="StoreVersion"/>).</param>
+        protected virtual void PerformMigration(int currentVersion, int targetVersion)
         {
         }
 
         /// <summary>
-        /// Prepare this database for use.
+        /// Perform any common startup tasks. Runs after <see cref="Prepare(bool)"/> and <see cref="PerformMigration(int, int)"/>.
+        /// </summary>
+        protected virtual void StartupTasks()
+        {
+
+        }
+
+        /// <summary>
+        /// Prepare this database for use. Tables should be created here.
         /// </summary>
         protected abstract void Prepare(bool reset = false);
 
@@ -83,9 +99,9 @@ namespace osu.Game.Database
         /// <summary>
         /// Query and populate results.
         /// </summary>
-        /// <param name="filter">An optional filter to refine results.</param>
+        /// <param name="filter">An filter to refine results.</param>
         /// <returns></returns>
-        public List<T> QueryAndPopulate<T>(Expression<Func<T, bool>> filter = null)
+        public List<T> QueryAndPopulate<T>(Expression<Func<T, bool>> filter)
             where T : class
         {
             checkType(typeof(T));
@@ -101,7 +117,6 @@ namespace osu.Game.Database
         public void Populate<T>(T item, bool recursive = true)
         {
             checkType(item.GetType());
-
             Connection.GetChildren(item, recursive);
         }
 

osu.Game/Graphics/Containers/ConstrainedIconContainer.cs

@@ -0,0 +1,62 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using OpenTK;
+
+namespace osu.Game.Graphics.Containers
+{
+    /// <summary>
+    /// Display an icon that is forced to scale to the size of this container.
+    /// </summary>
+    public class ConstrainedIconContainer : CompositeDrawable
+    {
+        public Drawable Icon
+        {
+            get
+            {
+                return InternalChild;
+            }
+
+            set
+            {
+                InternalChild = value;
+            }
+        }
+
+        /// <summary>
+        /// Determines an edge effect of this <see cref="Container"/>.
+        /// Edge effects are e.g. glow or a shadow.
+        /// Only has an effect when <see cref="CompositeDrawable.Masking"/> is true.
+        /// </summary>
+        public new EdgeEffectParameters EdgeEffect
+        {
+            get { return base.EdgeEffect; }
+            set { base.EdgeEffect = value; }
+        }
+
+        protected override void Update()
+        {
+            base.Update();
+            if (InternalChildren.Count > 0 && InternalChild.DrawSize.X > 0)
+            {
+                // We're modifying scale here for a few reasons
+                // - Guarantees correctness if BorderWidth is being used
+                // - If we were to use RelativeSize/FillMode, we'd need to set the Icon's RelativeSizeAxes directly.
+                //   We can't do this because we would need access to AutoSizeAxes to set it to none.
+                //   Other issues come up along the way too, so it's not a good solution.
+                var fitScale = Math.Min(DrawSize.X / InternalChild.DrawSize.X, DrawSize.Y / InternalChild.DrawSize.Y);
+                InternalChild.Scale = new Vector2(fitScale);
+                InternalChild.Anchor = Anchor.Centre;
+                InternalChild.Origin = Anchor.Centre;
+            }
+        }
+
+        public ConstrainedIconContainer()
+        {
+            Masking = true;
+        }
+    }
+}

osu.Game/Graphics/SpriteIcon.cs

@@ -1,13 +1,70 @@
 // Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
-using osu.Game.Graphics.Sprites;
+using osu.Framework.Allocation;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Sprites;
+using osu.Framework.Graphics;
+using osu.Framework.IO.Stores;
+using OpenTK;
+using OpenTK.Graphics;
 
 namespace osu.Game.Graphics
 {
-    public class TextAwesome : OsuSpriteText
+    public class SpriteIcon : CompositeDrawable
     {
-        //public override FontFace FontFace => (int)Icon < 0xf000 ? FontFace.OsuFont : FontFace.FontAwesome;
+        private readonly Sprite spriteShadow;
+        private readonly Sprite spriteMain;
+
+        public SpriteIcon()
+        {
+            InternalChildren = new[]
+            {
+                spriteShadow = new Sprite
+                {
+                    Anchor = Anchor.Centre,
+                    Origin = Anchor.Centre,
+                    RelativeSizeAxes = Axes.Both,
+                    FillMode = FillMode.Fit,
+                    Position = new Vector2(0, 0.06f),
+                    Colour = new Color4(0f, 0f, 0f, 0.2f),
+                    Alpha = 0
+                },
+                spriteMain = new Sprite
+                {
+                    Anchor = Anchor.Centre,
+                    Origin = Anchor.Centre,
+                    RelativeSizeAxes = Axes.Both,
+                    FillMode = FillMode.Fit
+                },
+            };
+        }
+
+        private FontStore store;
+
+        [BackgroundDependencyLoader]
+        private void load(FontStore store)
+        {
+            this.store = store;
+            updateTexture();
+        }
+
+        private void updateTexture()
+        {
+            var texture = store?.Get(((char)icon).ToString());
+
+            spriteMain.Texture = texture;
+            spriteShadow.Texture = texture;
+
+            if (Size == Vector2.Zero)
+                Size = new Vector2(texture?.DisplayWidth ?? 0, texture?.DisplayHeight ?? 0);
+        }
+
+        public bool Shadow
+        {
+            get { return spriteShadow.IsPresent; }
+            set { spriteShadow.Alpha = value ? 1 : 0; }
+        }
 
         private FontAwesome icon;
 
@@ -23,7 +80,8 @@ namespace osu.Game.Graphics
                 if (icon == value) return;
 
                 icon = value;
-                Text = ((char)icon).ToString();
+                if (IsLoaded)
+                    updateTexture();
             }
         }
     }

osu.Game/Graphics/UserInterface/BreadcrumbControl.cs

@@ -35,7 +35,7 @@ namespace osu.Game.Graphics.UserInterface
 
         private class BreadcrumbTabItem : OsuTabItem, IStateful<Visibility>
         {
-            public readonly TextAwesome Chevron;
+            public readonly SpriteIcon Chevron;
 
             //don't allow clicking between transitions and don't make the chevron clickable
             public override bool ReceiveMouseInputAt(Vector2 screenSpacePos) => Alpha == 1f && Text.ReceiveMouseInputAt(screenSpacePos);
@@ -69,11 +69,11 @@ namespace osu.Game.Graphics.UserInterface
             {
                 Text.TextSize = 16;
                 Padding = new MarginPadding { Right = padding + 8 }; //padding + chevron width
-                Add(Chevron = new TextAwesome
+                Add(Chevron = new SpriteIcon
                 {
                     Anchor = Anchor.CentreRight,
                     Origin = Anchor.CentreLeft,
-                    TextSize = 12,
+                    Size = new Vector2(12),
                     Icon = FontAwesome.fa_chevron_right,
                     Margin = new MarginPadding { Left = padding },
                     Alpha = 0f,

osu.Game/Graphics/UserInterface/IconButton.cs

@@ -15,7 +15,7 @@ namespace osu.Game.Graphics.UserInterface
 {
     public class IconButton : OsuClickableContainer
     {
-        private readonly TextAwesome icon;
+        private readonly SpriteIcon icon;
         private readonly Box hover;
         private readonly Container content;
 
@@ -47,7 +47,7 @@ namespace osu.Game.Graphics.UserInterface
                 {
                     Origin = Anchor.Centre,
                     Anchor = Anchor.Centre,
-                    Size = new Vector2 (button_size),
+                    Size = new Vector2(button_size),
 
                     CornerRadius = 5,
                     Masking = true,
@@ -64,11 +64,11 @@ namespace osu.Game.Graphics.UserInterface
                             RelativeSizeAxes = Axes.Both,
                             Alpha = 0,
                         },
-                        icon = new TextAwesome
+                        icon = new SpriteIcon
                         {
                             Origin = Anchor.Centre,
                             Anchor = Anchor.Centre,
-                            TextSize = 18,
+                            Size = new Vector2(18),
                         }
                     }
                 }
@@ -80,6 +80,8 @@ namespace osu.Game.Graphics.UserInterface
         {
             hover.Colour = colours.Yellow.Opacity(0.6f);
             flashColour = colours.Yellow;
+
+            Enabled.ValueChanged += enabled => this.FadeColour(enabled ? Color4.White : colours.Gray9, 200, Easing.OutQuint);
         }
 
         protected override bool OnHover(InputState state)

osu.Game/Graphics/UserInterface/LoadingAnimation.cs

@@ -9,7 +9,7 @@ namespace osu.Game.Graphics.UserInterface
 {
     public class LoadingAnimation : VisibilityContainer
     {
-        private readonly TextAwesome spinner;
+        private readonly SpriteIcon spinner;
 
         public LoadingAnimation()
         {
@@ -20,9 +20,9 @@ namespace osu.Game.Graphics.UserInterface
 
             Children = new Drawable[]
             {
-                spinner = new TextAwesome
+                spinner = new SpriteIcon
                 {
-                    TextSize = 20,
+                    Size = new Vector2(20),
                     Anchor = Anchor.Centre,
                     Origin = Anchor.Centre,
                     Icon = FontAwesome.fa_spinner

osu.Game/Graphics/UserInterface/OsuDropdown.cs

@@ -10,6 +10,7 @@ using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Sprites;
 using osu.Framework.Graphics.UserInterface;
 using osu.Game.Graphics.Sprites;
+using OpenTK;
 
 namespace osu.Game.Graphics.UserInterface
 {
@@ -60,14 +61,13 @@ namespace osu.Game.Graphics.UserInterface
                     AutoSizeAxes = Axes.Y,
                     Children = new Drawable[]
                     {
-                        Chevron = new TextAwesome
+                        Chevron = new SpriteIcon
                         {
                             AlwaysPresent = true,
                             Icon = FontAwesome.fa_chevron_right,
-                            UseFullGlyphHeight = false,
                             Colour = Color4.Black,
                             Alpha = 0.5f,
-                            TextSize = 8,
+                            Size = new Vector2(8),
                             Margin = new MarginPadding { Left = 3, Right = 3 },
                             Origin = Anchor.CentreLeft,
                             Anchor = Anchor.CentreLeft,
@@ -84,7 +84,7 @@ namespace osu.Game.Graphics.UserInterface
 
             private Color4? accentColour;
 
-            protected readonly TextAwesome Chevron;
+            protected readonly SpriteIcon Chevron;
             protected readonly OsuSpriteText Label;
 
             protected override void FormatForeground(bool hover = false)
@@ -123,7 +123,7 @@ namespace osu.Game.Graphics.UserInterface
                 set { Text.Text = value; }
             }
 
-            protected readonly TextAwesome Icon;
+            protected readonly SpriteIcon Icon;
 
             private Color4? accentColour;
             public virtual Color4 AccentColour
@@ -152,13 +152,13 @@ namespace osu.Game.Graphics.UserInterface
                         Anchor = Anchor.CentreLeft,
                         Origin = Anchor.CentreLeft,
                     },
-                    Icon = new TextAwesome
+                    Icon = new SpriteIcon
                     {
                         Icon = FontAwesome.fa_chevron_down,
                         Anchor = Anchor.CentreRight,
                         Origin = Anchor.CentreRight,
                         Margin = new MarginPadding { Right = 4 },
-                        TextSize = 20
+                        Size = new Vector2(20),
                     }
                 };
             }

osu.Game/Graphics/UserInterface/OsuTabControl.cs

@@ -209,10 +209,10 @@ namespace osu.Game.Graphics.UserInterface
 
                     Foreground.Children = new Drawable[]
                     {
-                        new TextAwesome
+                        new SpriteIcon
                         {
                             Icon = FontAwesome.fa_ellipsis_h,
-                            TextSize = 14,
+                            Size = new Vector2(14),
                             Origin = Anchor.Centre,
                             Anchor = Anchor.Centre,
                         }

osu.Game/Graphics/UserInterface/OsuTabControlCheckbox.cs

@@ -21,7 +21,7 @@ namespace osu.Game.Graphics.UserInterface
     {
         private readonly Box box;
         private readonly SpriteText text;
-        private readonly TextAwesome icon;
+        private readonly SpriteIcon icon;
 
         private Color4? accentColour;
         public Color4 AccentColour
@@ -99,9 +99,9 @@ namespace osu.Game.Graphics.UserInterface
                             TextSize = 14,
                             Font = @"Exo2.0-Bold",
                         },
-                        icon = new TextAwesome
+                        icon = new SpriteIcon
                         {
-                            TextSize = 14,
+                            Size = new Vector2(14),
                             Icon = FontAwesome.fa_circle_o,
                             Shadow = true,
                         },

osu.Game/Graphics/UserInterface/SearchTextBox.cs

@@ -3,6 +3,7 @@
 
 using osu.Framework.Graphics;
 using osu.Framework.Input;
+using OpenTK;
 using OpenTK.Input;
 
 namespace osu.Game.Graphics.UserInterface
@@ -16,13 +17,13 @@ namespace osu.Game.Graphics.UserInterface
             Height = 35;
             AddRange(new Drawable[]
             {
-                new TextAwesome
+                new SpriteIcon
                 {
                     Icon = FontAwesome.fa_search,
                     Origin = Anchor.CentreRight,
                     Anchor = Anchor.CentreRight,
                     Margin = new MarginPadding { Right = 10 },
-                    TextSize = 20
+                    Size = new Vector2(20),
                 }
             });
 

osu.Game/Graphics/UserInterface/StarCounter.cs

@@ -142,16 +142,16 @@ namespace osu.Game.Graphics.UserInterface
 
         private class Star : Container
         {
-            public readonly TextAwesome Icon;
+            public readonly SpriteIcon Icon;
             public Star()
             {
                 Size = new Vector2(star_size);
 
                 Children = new[]
                 {
-                    Icon = new TextAwesome
+                    Icon = new SpriteIcon
                     {
-                        TextSize = star_size,
+                        Size = new Vector2(star_size),
                         Icon = FontAwesome.fa_star,
                         Anchor = Anchor.Centre,
                         Origin = Anchor.Centre,

osu.Game/Graphics/UserInterface/TwoLayerButton.cs

@@ -215,7 +215,7 @@ namespace osu.Game.Graphics.UserInterface
         {
             private const double beat_in_time = 60;
 
-            private readonly TextAwesome icon;
+            private readonly SpriteIcon icon;
 
             public FontAwesome Icon { set { icon.Icon = value; } }
 
@@ -226,11 +226,11 @@ namespace osu.Game.Graphics.UserInterface
 
                 Children = new Drawable[]
                 {
-                    icon = new TextAwesome
+                    icon = new SpriteIcon
                     {
                         Anchor = Anchor.Centre,
                         Origin = Anchor.Centre,
-                        TextSize = 25
+                        Size = new Vector2(25),
                     }
                 };
             }

osu.Game/IO/FileInfo.cs

@@ -11,8 +11,6 @@ namespace osu.Game.IO
         [PrimaryKey, AutoIncrement]
         public int ID { get; set; }
 
-        public string Filename { get; set; }
-
         [Indexed(Unique = true)]
         public string Hash { get; set; }
 

osu.Game/IO/FileStore.cs

@@ -2,7 +2,6 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using System;
-using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using osu.Framework.Extensions;
@@ -23,6 +22,8 @@ namespace osu.Game.IO
 
         public readonly ResourceStore<byte[]> Store;
 
+        protected override int StoreVersion => 2;
+
         public FileStore(SQLiteConnection connection, Storage storage) : base(connection, storage)
         {
             Store = new NamespacedResourceStore<byte[]>(new StorageBackedResourceStore(storage), prefix);
@@ -35,25 +36,55 @@ namespace osu.Game.IO
         protected override void Prepare(bool reset = false)
         {
             if (reset)
+            {
+                // in earlier versions we stored beatmaps as solid archives, but not any more.
+                if (Storage.ExistsDirectory("beatmaps"))
+                    Storage.DeleteDirectory("beatmaps");
+
+                if (Storage.ExistsDirectory(prefix))
+                    Storage.DeleteDirectory(prefix);
+
                 Connection.DropTable<FileInfo>();
+            }
 
             Connection.CreateTable<FileInfo>();
+        }
 
+        protected override void StartupTasks()
+        {
+            base.StartupTasks();
             deletePending();
         }
 
-        public FileInfo Add(Stream data, string filename = null)
+        /// <summary>
+        /// Perform migrations between two store versions.
+        /// </summary>
+        /// <param name="currentVersion">The current store version. This will be zero on a fresh database initialisation.</param>
+        /// <param name="targetVersion">The target version which we are migrating to (equal to the current <see cref="StoreVersion"/>).</param>
+        protected override void PerformMigration(int currentVersion, int targetVersion)
+        {
+            base.PerformMigration(currentVersion, targetVersion);
+
+            while (currentVersion++ < targetVersion)
+            {
+                switch (currentVersion)
+                {
+                    case 1:
+                    case 2:
+                        // cannot migrate; breaking underlying changes.
+                        Reset();
+                        break;
+                }
+            }
+        }
+
+        public FileInfo Add(Stream data)
         {
             string hash = data.ComputeSHA2Hash();
 
-            var info = new FileInfo
-            {
-                Filename = filename,
-                Hash = hash,
-            };
-
-            var existing = Connection.Table<FileInfo>().FirstOrDefault(f => f.Hash == info.Hash);
+            var existing = Connection.Table<FileInfo>().Where(f => f.Hash == hash).FirstOrDefault();
 
+            var info = existing ?? new FileInfo { Hash = hash };
             if (existing != null)
             {
                 info = existing;
@@ -73,42 +104,57 @@ namespace osu.Game.IO
                 Connection.Insert(info);
             }
 
-            Reference(new[] { info });
+            Reference(info);
             return info;
         }
 
-        public void Reference(IEnumerable<FileInfo> files)
+        public void Reference(params FileInfo[] files)
         {
-            foreach (var f in files)
+            Connection.RunInTransaction(() =>
             {
-                f.ReferenceCount++;
-                Connection.Update(f);
-            }
+                var incrementedFiles = files.GroupBy(f => f.ID).Select(f =>
+                {
+                    var accurateRefCount = Connection.Get<FileInfo>(f.First().ID);
+                    accurateRefCount.ReferenceCount += f.Count();
+                    return accurateRefCount;
+                });
+
+                Connection.UpdateAll(incrementedFiles);
+            });
         }
 
-        public void Dereference(IEnumerable<FileInfo> files)
+        public void Dereference(params FileInfo[] files)
         {
-            foreach (var f in files)
+            Connection.RunInTransaction(() =>
             {
-                f.ReferenceCount--;
-                Connection.Update(f);
-            }
+                var incrementedFiles = files.GroupBy(f => f.ID).Select(f =>
+                {
+                    var accurateRefCount = Connection.Get<FileInfo>(f.First().ID);
+                    accurateRefCount.ReferenceCount -= f.Count();
+                    return accurateRefCount;
+                });
+
+                Connection.UpdateAll(incrementedFiles);
+            });
         }
 
         private void deletePending()
         {
-            foreach (var f in QueryAndPopulate<FileInfo>(f => f.ReferenceCount < 1))
+            Connection.RunInTransaction(() =>
             {
-                try
+                foreach (var f in Query<FileInfo>(f => f.ReferenceCount < 1))
                 {
-                    Connection.Delete(f);
-                    Storage.Delete(Path.Combine(prefix, f.Hash));
+                    try
+                    {
+                        Storage.Delete(Path.Combine(prefix, f.StoragePath));
+                        Connection.Delete(f);
+                    }
+                    catch (Exception e)
+                    {
+                        Logger.Error(e, $@"Could not delete beatmap {f}");
+                    }
                 }
-                catch (Exception e)
-                {
-                    Logger.Error(e, $@"Could not delete beatmap {f}");
-                }
-            }
+            });
         }
     }
 }

osu.Game/Online/Multiplayer/GameType.cs

@@ -21,15 +21,14 @@ namespace osu.Game.Online.Multiplayer
         public override string Name => "Tag";
         public override Drawable GetIcon(OsuColour colours, float size)
         {
-            return new TextAwesome
+            return new SpriteIcon
             {
                 Anchor = Anchor.Centre,
                 Origin = Anchor.Centre,
                 Icon = FontAwesome.fa_refresh,
-                TextSize = size,
+                Size = new Vector2(size),
                 Colour = colours.Blue,
                 Shadow = false,
-                UseFullGlyphHeight = false,
             };
         }
     }
@@ -61,21 +60,19 @@ namespace osu.Game.Online.Multiplayer
                 Spacing = new Vector2(2f),
                 Children = new[]
                 {
-                    new TextAwesome
+                    new SpriteIcon
                     {
                         Icon = FontAwesome.fa_refresh,
-                        TextSize = size * 0.75f,
+                        Size = new Vector2(size * 0.75f),
                         Colour = colours.Blue,
                         Shadow = false,
-                        UseFullGlyphHeight = false,
                     },
-                    new TextAwesome
+                    new SpriteIcon
                     {
                         Icon = FontAwesome.fa_refresh,
-                        TextSize = size * 0.75f,
+                        Size = new Vector2(size * 0.75f),
                         Colour = colours.Pink,
                         Shadow = false,
-                        UseFullGlyphHeight = false,
                     },
                 },
             };

osu.Game/OsuGame.cs

@@ -20,6 +20,7 @@ using osu.Game.Screens.Menu;
 using OpenTK;
 using System.Linq;
 using System.Threading.Tasks;
+using osu.Framework.Platform;
 using osu.Framework.Threading;
 using osu.Game.Graphics;
 using osu.Game.Rulesets.Scoring;
@@ -47,6 +48,8 @@ namespace osu.Game
 
         private UserProfileOverlay userProfile;
 
+        public virtual Storage GetStorageForStableInstall() => null;
+
         private Intro intro
         {
             get
@@ -149,6 +152,10 @@ namespace osu.Game
         {
             base.LoadComplete();
 
+            // hook up notifications to components.
+            BeatmapManager.PostNotification = n => notificationOverlay?.Post(n);
+            BeatmapManager.GetStableStorage = GetStorageForStableInstall;
+
             AddRange(new Drawable[] {
                 new VolumeControlReceptor
                 {
@@ -332,6 +339,7 @@ namespace osu.Game
                 direct.State = Visibility.Hidden;
                 social.State = Visibility.Hidden;
                 userProfile.State = Visibility.Hidden;
+                notificationOverlay.State = Visibility.Hidden;
             }
             else
             {

osu.Game/Overlays/Chat/ChannelListItem.cs

@@ -28,7 +28,7 @@ namespace osu.Game.Overlays.Chat
         private readonly Bindable<bool> joinedBind = new Bindable<bool>();
         private readonly OsuSpriteText name;
         private readonly OsuSpriteText topic;
-        private readonly TextAwesome joinedCheckmark;
+        private readonly SpriteIcon joinedCheckmark;
 
         private Color4 joinedColour;
         private Color4 topicColour;
@@ -68,12 +68,12 @@ namespace osu.Game.Overlays.Chat
                         {
                             Children = new[]
                             {
-                                joinedCheckmark = new TextAwesome
+                                joinedCheckmark = new SpriteIcon
                                 {
                                     Anchor = Anchor.TopRight,
                                     Origin = Anchor.TopRight,
                                     Icon = FontAwesome.fa_check_circle,
-                                    TextSize = text_size,
+                                    Size = new Vector2(text_size),
                                     Shadow = false,
                                     Margin = new MarginPadding { Right = 10f },
                                     Alpha = 0f,
@@ -121,10 +121,10 @@ namespace osu.Game.Overlays.Chat
                             Spacing = new Vector2(3f, 0f),
                             Children = new Drawable[]
                             {
-                                new TextAwesome
+                                new SpriteIcon
                                 {
                                     Icon = FontAwesome.fa_user,
-                                    TextSize = text_size - 2,
+                                    Size = new Vector2(text_size - 2),
                                     Shadow = false,
                                     Margin = new MarginPadding { Top = 1 },
                                 },

osu.Game/Overlays/Chat/ChatTabControl.cs

@@ -35,13 +35,13 @@ namespace osu.Game.Overlays.Chat
             TabContainer.Spacing = new Vector2(-shear_width, 0);
             TabContainer.Masking = false;
 
-            AddInternal(new TextAwesome
+            AddInternal(new SpriteIcon
             {
                 Icon = FontAwesome.fa_comments,
                 Anchor = Anchor.CentreLeft,
                 Origin = Anchor.CentreLeft,
-                TextSize = 20,
-                Padding = new MarginPadding(10),
+                Size = new Vector2(20),
+                Margin = new MarginPadding(10),
             });
 
             AddTabItem(selectorTab = new ChannelTabItem.ChannelSelectorTabItem(new Channel { Name = "+" }));
@@ -72,7 +72,7 @@ namespace osu.Game.Overlays.Chat
             private readonly SpriteText textBold;
             private readonly Box box;
             private readonly Box highlightBox;
-            private readonly TextAwesome icon;
+            private readonly SpriteIcon icon;
 
             private void updateState()
             {
@@ -176,7 +176,7 @@ namespace osu.Game.Overlays.Chat
                         RelativeSizeAxes = Axes.Both,
                         Children = new Drawable[]
                         {
-                            icon = new TextAwesome
+                            icon = new SpriteIcon
                             {
                                 Icon = FontAwesome.fa_hashtag,
                                 Anchor = Anchor.CentreLeft,
@@ -184,7 +184,7 @@ namespace osu.Game.Overlays.Chat
                                 Colour = Color4.Black,
                                 X = -10,
                                 Alpha = 0.2f,
-                                TextSize = ChatOverlay.TAB_AREA_HEIGHT,
+                                Size = new Vector2(ChatOverlay.TAB_AREA_HEIGHT),
                             },
                             text = new OsuSpriteText
                             {

osu.Game/Overlays/Dialog/PopupDialog.cs

@@ -30,14 +30,14 @@ namespace osu.Game.Overlays.Dialog
         private readonly Container content;
         private readonly Container ring;
         private readonly FillFlowContainer<PopupDialogButton> buttonsContainer;
-        private readonly TextAwesome iconText;
+        private readonly SpriteIcon icon;
         private readonly SpriteText header;
         private readonly SpriteText body;
 
         public FontAwesome Icon
         {
-            get { return iconText.Icon; }
-            set { iconText.Icon = value; }
+            get { return icon.Icon; }
+            set { icon.Icon = value; }
         }
 
         public string HeaderText
@@ -205,12 +205,12 @@ namespace osu.Game.Overlays.Dialog
                                                     RelativeSizeAxes = Axes.Both,
                                                     Colour = Color4.Black.Opacity(0),
                                                 },
-                                                iconText = new TextAwesome
+                                                icon = new SpriteIcon
                                                 {
                                                     Origin = Anchor.Centre,
                                                     Anchor = Anchor.Centre,
                                                     Icon = FontAwesome.fa_close,
-                                                    TextSize = 50,
+                                                    Size = new Vector2(50),
                                                 },
                                             },
                                         },

osu.Game/Overlays/Direct/DirectListPanel.cs

@@ -152,18 +152,17 @@ namespace osu.Game.Overlays.Direct
 
         private class DownloadButton : OsuClickableContainer
         {
-            private readonly TextAwesome icon;
+            private readonly SpriteIcon icon;
 
             public DownloadButton()
             {
                 Children = new Drawable[]
                 {
-                    icon = new TextAwesome
+                    icon = new SpriteIcon
                     {
                         Anchor = Anchor.Centre,
                         Origin = Anchor.Centre,
-                        UseFullGlyphHeight = false,
-                        TextSize = 30,
+                        Size = new Vector2(30),
                         Icon = FontAwesome.fa_osu_chevron_down_o,
                     },
                 };

osu.Game/Overlays/Direct/DirectPanel.cs

@@ -75,11 +75,11 @@ namespace osu.Game.Overlays.Direct
                     {
                         Font = @"Exo2.0-SemiBoldItalic",
                     },
-                    new TextAwesome
+                    new SpriteIcon
                     {
                         Icon = icon,
                         Shadow = true,
-                        TextSize = 14,
+                        Size = new Vector2(14),
                         Margin = new MarginPadding { Top = 1 },
                     },
                 };

osu.Game/Overlays/Direct/FilterControl.cs

@@ -47,7 +47,11 @@ namespace osu.Game.Overlays.Direct
 
         private class RulesetToggleButton : OsuClickableContainer
         {
-            private readonly TextAwesome icon;
+            private Drawable icon
+            {
+                get { return iconContainer.Icon; }
+                set { iconContainer.Icon = value; }
+            }
 
             private RulesetInfo ruleset;
             public RulesetInfo Ruleset
@@ -56,15 +60,17 @@ namespace osu.Game.Overlays.Direct
                 set
                 {
                     ruleset = value;
-                    icon.Icon = Ruleset.CreateInstance().Icon;
+                    icon = Ruleset.CreateInstance().CreateIcon();
                 }
             }
 
             private readonly Bindable<RulesetInfo> bindable;
 
+            private readonly ConstrainedIconContainer iconContainer;
+
             private void Bindable_ValueChanged(RulesetInfo obj)
             {
-                icon.FadeTo(Ruleset.ID == obj?.ID ? 1f : 0.5f, 100);
+                iconContainer.FadeTo(Ruleset.ID == obj?.ID ? 1f : 0.5f, 100);
             }
 
             public RulesetToggleButton(Bindable<RulesetInfo> bindable, RulesetInfo ruleset)
@@ -74,11 +80,11 @@ namespace osu.Game.Overlays.Direct
 
                 Children = new[]
                 {
-                    icon = new TextAwesome
+                    iconContainer = new ConstrainedIconContainer
                     {
                         Origin = Anchor.TopLeft,
                         Anchor = Anchor.TopLeft,
-                        TextSize = 32,
+                        Size = new Vector2(32),
                     }
                 };
 

osu.Game/Overlays/Music/CollectionsDropdown.cs

@@ -36,7 +36,7 @@ namespace osu.Game.Overlays.Music
             {
                 CornerRadius = 5;
                 Height = 30;
-                Icon.TextSize = 14;
+                Icon.Size = new Vector2(14);
                 Icon.Margin = new MarginPadding(0);
                 Foreground.Padding = new MarginPadding { Top = 4, Bottom = 4, Left = 10, Right = 10 };
                 EdgeEffect = new EdgeEffectParameters

osu.Game/Overlays/Music/PlaylistItem.cs

@@ -12,6 +12,7 @@ using osu.Framework.Localisation;
 using osu.Game.Beatmaps;
 using osu.Game.Graphics;
 using osu.Game.Graphics.Containers;
+using OpenTK;
 
 namespace osu.Game.Overlays.Music
 {
@@ -22,7 +23,7 @@ namespace osu.Game.Overlays.Music
         private Color4 hoverColour;
         private Color4 artistColour;
 
-        private TextAwesome handle;
+        private SpriteIcon handle;
         private TextFlowContainer text;
         private IEnumerable<SpriteText> titleSprites;
         private UnicodeBindableString titleBind;
@@ -67,16 +68,15 @@ namespace osu.Game.Overlays.Music
 
             Children = new Drawable[]
             {
-                handle = new TextAwesome
+                handle = new SpriteIcon
                 {
                     Anchor = Anchor.TopLeft,
                     Origin = Anchor.TopLeft,
-                    TextSize = 12,
+                    Size = new Vector2(12),
                     Colour = colours.Gray5,
                     Icon = FontAwesome.fa_bars,
                     Alpha = 0f,
-                    Margin = new MarginPadding { Left = 5 },
-                    Padding = new MarginPadding { Top = 2 },
+                    Margin = new MarginPadding { Left = 5, Top = 2 },
                 },
                 text = new OsuTextFlowContainer
                 {

osu.Game/Overlays/Music/PlaylistList.cs

@@ -80,7 +80,7 @@ namespace osu.Game.Overlays.Music
 
         public void RemoveBeatmapSet(BeatmapSetInfo beatmapSet)
         {
-            PlaylistItem itemToRemove = items.Children.FirstOrDefault(item => item.BeatmapSetInfo == beatmapSet);
+            PlaylistItem itemToRemove = items.Children.FirstOrDefault(item => item.BeatmapSetInfo.ID == beatmapSet.ID);
             if (itemToRemove != null) items.Remove(itemToRemove);
         }
 

osu.Game/Overlays/Music/PlaylistOverlay.cs

@@ -6,14 +6,14 @@ using System.Linq;
 using osu.Framework.Allocation;
 using osu.Framework.Configuration;
 using osu.Framework.Extensions.Color4Extensions;
+using osu.Framework.Input;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Shapes;
 using osu.Game.Beatmaps;
 using osu.Game.Graphics;
 using OpenTK;
 using OpenTK.Graphics;
-using osu.Framework.Input;
-using osu.Framework.Graphics.Shapes;
 
 namespace osu.Game.Overlays.Music
 {
@@ -77,11 +77,11 @@ namespace osu.Game.Overlays.Music
                 },
             };
 
+            beatmaps.BeatmapSetAdded += s => Schedule(() => list.AddBeatmapSet(s));
+            beatmaps.BeatmapSetRemoved += s => Schedule(() => list.RemoveBeatmapSet(s));
+
             list.BeatmapSets = BeatmapSets = beatmaps.GetAllUsableBeatmapSets();
 
-            // todo: these should probably be above the query.
-            beatmaps.BeatmapSetAdded += s => list.AddBeatmapSet(s);
-            beatmaps.BeatmapSetRemoved += s => list.RemoveBeatmapSet(s);
 
             beatmapBacking.BindTo(game.Beatmap);
 

osu.Game/Overlays/MusicController.cs

@@ -12,18 +12,18 @@ using osu.Framework.Configuration;
 using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Shapes;
 using osu.Framework.Graphics.Sprites;
 using osu.Framework.Graphics.Textures;
 using osu.Framework.Graphics.UserInterface;
 using osu.Framework.Input;
 using osu.Framework.Localisation;
+using osu.Framework.Threading;
 using osu.Game.Beatmaps;
 using osu.Game.Graphics;
 using osu.Game.Graphics.Sprites;
-using osu.Framework.Threading;
 using osu.Game.Overlays.Music;
 using osu.Game.Graphics.UserInterface;
-using osu.Framework.Graphics.Shapes;
 using osu.Game.Graphics.Containers;
 
 namespace osu.Game.Overlays
@@ -41,7 +41,9 @@ namespace osu.Game.Overlays
         private Drawable currentBackground;
         private ProgressBar progressBar;
 
+        private IconButton prevButton;
         private IconButton playButton;
+        private IconButton nextButton;
         private IconButton playlistButton;
 
         private SpriteText title, artist;
@@ -158,7 +160,7 @@ namespace osu.Game.Overlays
                                             Anchor = Anchor.Centre,
                                             Children = new[]
                                             {
-                                                new IconButton
+                                                prevButton = new IconButton
                                                 {
                                                     Action = prev,
                                                     Icon = FontAwesome.fa_step_backward,
@@ -170,7 +172,7 @@ namespace osu.Game.Overlays
                                                     Action = play,
                                                     Icon = FontAwesome.fa_play_circle_o,
                                                 },
-                                                new IconButton
+                                                nextButton = new IconButton
                                                 {
                                                     Action = next,
                                                     Icon = FontAwesome.fa_step_forward,
@@ -209,11 +211,22 @@ namespace osu.Game.Overlays
         protected override void LoadComplete()
         {
             beatmapBacking.ValueChanged += beatmapChanged;
+            beatmapBacking.DisabledChanged += beatmapDisabledChanged;
             beatmapBacking.TriggerChange();
 
             base.LoadComplete();
         }
 
+        private void beatmapDisabledChanged(bool disabled)
+        {
+            if (disabled)
+                playlist.Hide();
+
+            prevButton.Enabled.Value = !disabled;
+            nextButton.Enabled.Value = !disabled;
+            playlistButton.Enabled.Value = !disabled;
+        }
+
         protected override void UpdateAfterChildren()
         {
             base.UpdateAfterChildren();
@@ -233,7 +246,8 @@ namespace osu.Game.Overlays
 
                 playButton.Icon = track.IsRunning ? FontAwesome.fa_pause_circle_o : FontAwesome.fa_play_circle_o;
 
-                if (track.HasCompleted && !track.Looping) next();
+                if (track.HasCompleted && !track.Looping && !beatmapBacking.Disabled)
+                    next();
             }
             else
                 playButton.Icon = FontAwesome.fa_play_circle_o;
@@ -245,7 +259,8 @@ namespace osu.Game.Overlays
 
             if (track == null)
             {
-                playlist.PlayNext();
+                if (!beatmapBacking.Disabled)
+                    playlist.PlayNext();
                 return;
             }
 
@@ -257,16 +272,12 @@ namespace osu.Game.Overlays
 
         private void prev()
         {
-            if (beatmapBacking.Disabled) return;
-
             queuedDirection = TransformDirection.Prev;
             playlist.PlayPrevious();
         }
 
         private void next()
         {
-            if (beatmapBacking.Disabled) return;
-
             queuedDirection = TransformDirection.Next;
             playlist.PlayNext();
         }

osu.Game/Overlays/Notifications/Notification.cs

@@ -165,12 +165,12 @@ namespace osu.Game.Overlays.Notifications
 
                 Children = new[]
                 {
-                    new TextAwesome
+                    new SpriteIcon
                     {
                         Anchor = Anchor.Centre,
                         Origin = Anchor.Centre,
                         Icon = FontAwesome.fa_times_circle,
-                        TextSize = 20
+                        Size = new Vector2(20),
                     }
                 };
             }

osu.Game/Overlays/Notifications/SimpleNotification.cs

@@ -8,6 +8,7 @@ using osu.Framework.Graphics.Shapes;
 using osu.Framework.Graphics.Sprites;
 using osu.Game.Graphics;
 using osu.Game.Graphics.Sprites;
+using OpenTK;
 
 namespace osu.Game.Overlays.Notifications
 {
@@ -36,7 +37,7 @@ namespace osu.Game.Overlays.Notifications
         }
 
         private readonly SpriteText textDrawable;
-        private readonly TextAwesome iconDrawable;
+        private readonly SpriteIcon iconDrawable;
 
         protected Box IconBackgound;
 
@@ -49,12 +50,12 @@ namespace osu.Game.Overlays.Notifications
                     RelativeSizeAxes = Axes.Both,
                     Colour = ColourInfo.GradientVertical(OsuColour.Gray(0.2f), OsuColour.Gray(0.6f))
                 },
-                iconDrawable = new TextAwesome
+                iconDrawable = new SpriteIcon
                 {
                     Anchor = Anchor.Centre,
                     Origin = Anchor.Centre,
                     Icon = icon,
-                    TextSize = 20
+                    Size = new Vector2(20),
                 }
             });
 

osu.Game/Overlays/Profile/ProfileHeader.cs

@@ -110,12 +110,12 @@ namespace osu.Game.Overlays.Profile
                                                     Alpha = 0,
                                                     AlwaysPresent = true
                                                 },
-                                                new TextAwesome
+                                                new SpriteIcon
                                                 {
                                                     Icon = FontAwesome.fa_heart,
                                                     Anchor = Anchor.Centre,
                                                     Origin = Anchor.Centre,
-                                                    TextSize = 12
+                                                    Size = new Vector2(12),
                                                 }
                                             }
                                         },

osu.Game/Overlays/SearchableList/DisplayStyleControl.cs

@@ -55,7 +55,7 @@ namespace osu.Game.Overlays.SearchableList
 
         private class DisplayStyleToggleButton : OsuClickableContainer
         {
-            private readonly TextAwesome icon;
+            private readonly SpriteIcon icon;
             private readonly PanelDisplayStyle style;
             private readonly Bindable<PanelDisplayStyle> bindable;
 
@@ -67,13 +67,12 @@ namespace osu.Game.Overlays.SearchableList
 
                 Children = new Drawable[]
                 {
-                    this.icon = new TextAwesome
+                    this.icon = new SpriteIcon
                     {
                         Anchor = Anchor.Centre,
                         Origin = Anchor.Centre,
                         Icon = icon,
-                        TextSize = 18,
-                        UseFullGlyphHeight = false,
+                        Size = new Vector2(18),
                         Alpha = 0.5f,
                     },
                 };

osu.Game/Overlays/SearchableList/SearchableListHeader.cs

@@ -55,9 +55,9 @@ namespace osu.Game.Overlays.SearchableList
                             Spacing = new Vector2(10f, 0f),
                             Children = new[]
                             {
-                                new TextAwesome
+                                new SpriteIcon
                                 {
-                                    TextSize = 25,
+                                    Size = new Vector2(25),
                                     Icon = Icon,
                                 },
                                 CreateHeaderText(),

osu.Game/Overlays/SearchableList/SlimEnumDropdown.cs

@@ -6,6 +6,7 @@ using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.UserInterface;
 using osu.Game.Graphics.UserInterface;
+using OpenTK;
 
 namespace osu.Game.Overlays.SearchableList
 {
@@ -19,7 +20,7 @@ namespace osu.Game.Overlays.SearchableList
             public SlimDropdownHeader()
             {
                 Height = 25;
-                Icon.TextSize = 16;
+                Icon.Size = new Vector2(16);
                 Foreground.Padding = new MarginPadding { Top = 4, Bottom = 4, Left = 8, Right = 4 };
             }
 

osu.Game/Overlays/Settings/Sections/General/LoginSettings.cs

@@ -286,7 +286,7 @@ namespace osu.Game.Overlays.Settings.Sections.General
             {
                 public const float LABEL_LEFT_MARGIN = 20;
 
-                private readonly TextAwesome statusIcon;
+                private readonly SpriteIcon statusIcon;
                 public Color4 StatusColour
                 {
                     set
@@ -308,15 +308,15 @@ namespace osu.Game.Overlays.Settings.Sections.General
                         Radius = 4,
                     };
 
-                    Icon.TextSize = 14;
+                    Icon.Size = new Vector2(14);
                     Icon.Margin = new MarginPadding(0);
 
-                    Foreground.Add(statusIcon = new TextAwesome
+                    Foreground.Add(statusIcon = new SpriteIcon
                     {
                         Anchor = Anchor.CentreLeft,
                         Origin = Anchor.CentreLeft,
                         Icon = FontAwesome.fa_circle_o,
-                        TextSize = 14,
+                        Size = new Vector2(14),
                     });
 
                     Text.Margin = new MarginPadding { Left = LABEL_LEFT_MARGIN };

osu.Game/Overlays/Settings/Sections/Maintenance/GeneralSettings.cs

@@ -0,0 +1,47 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System.Threading.Tasks;
+using osu.Framework.Allocation;
+using osu.Framework.Graphics;
+using osu.Game.Beatmaps;
+using osu.Game.Graphics.UserInterface;
+
+namespace osu.Game.Overlays.Settings.Sections.Maintenance
+{
+    public class GeneralSettings : SettingsSubsection
+    {
+        private OsuButton importButton;
+        private OsuButton deleteButton;
+
+        protected override string Header => "General";
+
+        [BackgroundDependencyLoader]
+        private void load(BeatmapManager beatmaps)
+        {
+            Children = new Drawable[]
+            {
+                importButton = new OsuButton
+                {
+                    RelativeSizeAxes = Axes.X,
+                    Text = "Import beatmaps from stable",
+                    Action = () =>
+                    {
+                        importButton.Enabled.Value = false;
+                        Task.Run(() => beatmaps.ImportFromStable()).ContinueWith(t => Schedule(() => importButton.Enabled.Value = true));
+                    }
+                },
+                deleteButton = new OsuButton
+                {
+                    RelativeSizeAxes = Axes.X,
+                    Text = "Delete ALL beatmaps",
+                    Action = () =>
+                    {
+                        deleteButton.Enabled.Value = false;
+                        Task.Run(() => beatmaps.DeleteAll()).ContinueWith(t => Schedule(() => deleteButton.Enabled.Value = true));
+                    }
+                },
+            };
+        }
+    }
+}

osu.Game/Overlays/Settings/Sections/MaintenanceSection.cs

@@ -3,6 +3,7 @@
 
 using osu.Framework.Graphics;
 using osu.Game.Graphics;
+using osu.Game.Overlays.Settings.Sections.Maintenance;
 using OpenTK;
 
 namespace osu.Game.Overlays.Settings.Sections
@@ -17,6 +18,7 @@ namespace osu.Game.Overlays.Settings.Sections
             FlowContent.Spacing = new Vector2(0, 5);
             Children = new Drawable[]
             {
+                new GeneralSettings()
             };
         }
     }

osu.Game/Overlays/Settings/SettingsFooter.cs

@@ -6,6 +6,7 @@ using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Game.Graphics;
+using osu.Game.Graphics.Containers;
 using osu.Game.Graphics.Sprites;
 using osu.Game.Rulesets;
 using OpenTK;
@@ -27,12 +28,14 @@ namespace osu.Game.Overlays.Settings
 
             foreach (var ruleset in rulesets.AllRulesets)
             {
-                modes.Add(new TextAwesome
+                var icon = new ConstrainedIconContainer
                 {
-                    Icon = ruleset.CreateInstance().Icon,
+                    Icon = ruleset.CreateInstance().CreateIcon(),
                     Colour = Color4.Gray,
-                    TextSize = 20
-                });
+                    Size = new Vector2(20),
+                };
+
+                modes.Add(icon);
             }
 
             Children = new Drawable[]

osu.Game/Overlays/Settings/SidebarButton.cs

@@ -17,7 +17,7 @@ namespace osu.Game.Overlays.Settings
 {
     public class SidebarButton : Container
     {
-        private readonly TextAwesome drawableIcon;
+        private readonly SpriteIcon drawableIcon;
         private readonly SpriteText headerText;
         private readonly Box backgroundBox;
         private readonly Box selectionIndicator;
@@ -77,7 +77,7 @@ namespace osu.Game.Overlays.Settings
                     Width = Sidebar.DEFAULT_WIDTH,
                     RelativeSizeAxes = Axes.Y,
                     Colour = OsuColour.Gray(0.6f),
-                    Children = new[]
+                    Children = new Drawable[]
                     {
                         headerText = new OsuSpriteText
                         {
@@ -85,11 +85,11 @@ namespace osu.Game.Overlays.Settings
                             Anchor = Anchor.CentreLeft,
                             Origin = Anchor.CentreLeft,
                         },
-                        drawableIcon = new TextAwesome
+                        drawableIcon = new SpriteIcon
                         {
                             Anchor = Anchor.Centre,
                             Origin = Anchor.Centre,
-                            TextSize = 20
+                            Size = new Vector2(20),
                         },
                     }
                 },

osu.Game/Overlays/Toolbar/ToolbarButton.cs

@@ -20,10 +20,21 @@ namespace osu.Game.Overlays.Toolbar
     {
         public const float WIDTH = Toolbar.HEIGHT * 1.4f;
 
+        public void SetIcon(Drawable icon)
+        {
+            IconContainer.Icon = icon;
+            IconContainer.Show();
+        }
+
+        public void SetIcon(FontAwesome icon) => SetIcon(new SpriteIcon
+        {
+            Size = new Vector2(20),
+            Icon = icon
+        });
+
         public FontAwesome Icon
         {
-            get { return DrawableIcon.Icon; }
-            set { DrawableIcon.Icon = value; }
+            set { SetIcon(value); }
         }
 
         public string Text
@@ -55,7 +66,7 @@ namespace osu.Game.Overlays.Toolbar
 
         protected virtual Anchor TooltipAnchor => Anchor.TopLeft;
 
-        protected TextAwesome DrawableIcon;
+        protected ConstrainedIconContainer IconContainer;
         protected SpriteText DrawableText;
         protected Box HoverBackground;
         private readonly FillFlowContainer tooltipContainer;
@@ -88,11 +99,12 @@ namespace osu.Game.Overlays.Toolbar
                     AutoSizeAxes = Axes.X,
                     Children = new Drawable[]
                     {
-                        DrawableIcon = new TextAwesome
+                        IconContainer = new ConstrainedIconContainer
                         {
-                            Anchor = Anchor.Centre,
-                            Origin = Anchor.Centre,
-                            TextSize = 20
+                            Anchor = Anchor.CentreLeft,
+                            Origin = Anchor.CentreLeft,
+                            Size = new Vector2(20),
+                            Alpha = 0,
                         },
                         DrawableText = new OsuSpriteText
                         {

osu.Game/Overlays/Toolbar/ToolbarChatButton.cs

@@ -10,7 +10,7 @@ namespace osu.Game.Overlays.Toolbar
     {
         public ToolbarChatButton()
         {
-            Icon = FontAwesome.fa_comments;
+            SetIcon(FontAwesome.fa_comments);
         }
 
         [BackgroundDependencyLoader]

osu.Game/Overlays/Toolbar/ToolbarModeButton.cs

@@ -21,7 +21,7 @@ namespace osu.Game.Overlays.Toolbar
 
                 TooltipMain = rInstance.Description;
                 TooltipSub = $"Play some {rInstance.Description}";
-                Icon = rInstance.Icon;
+                SetIcon(rInstance.CreateIcon());
             }
         }
 
@@ -31,9 +31,8 @@ namespace osu.Game.Overlays.Toolbar
             {
                 if (value)
                 {
-                    DrawableIcon.Colour = Color4.White;
-                    DrawableIcon.Masking = true;
-                    DrawableIcon.EdgeEffect = new EdgeEffectParameters
+                    IconContainer.Colour = Color4.White;
+                    IconContainer.EdgeEffect = new EdgeEffectParameters
                     {
                         Type = EdgeEffectType.Glow,
                         Colour = new Color4(255, 194, 224, 100),
@@ -43,8 +42,8 @@ namespace osu.Game.Overlays.Toolbar
                 }
                 else
                 {
-                    DrawableIcon.Masking = false;
-                    DrawableIcon.Colour = new Color4(255, 194, 224, 255);
+                    IconContainer.Colour = new Color4(255, 194, 224, 255);
+                    IconContainer.EdgeEffect = new EdgeEffectParameters();
                 }
             }
         }
@@ -52,7 +51,7 @@ namespace osu.Game.Overlays.Toolbar
         protected override void LoadComplete()
         {
             base.LoadComplete();
-            DrawableIcon.TextSize *= 1.4f;
+            IconContainer.Scale *= 1.4f;
         }
     }
 }

osu.Game/Rulesets/Ruleset.cs

@@ -7,6 +7,7 @@ using osu.Game.Rulesets.Mods;
 using osu.Game.Rulesets.UI;
 using osu.Game.Screens.Play;
 using System.Collections.Generic;
+using osu.Framework.Graphics;
 using osu.Game.Rulesets.Scoring;
 using osu.Game.Overlays.Settings;
 
@@ -33,7 +34,7 @@ namespace osu.Game.Rulesets
 
         public abstract ScoreProcessor CreateScoreProcessor();
 
-        public virtual FontAwesome Icon => FontAwesome.fa_question_circle;
+        public virtual Drawable CreateIcon() => new SpriteIcon { Icon = FontAwesome.fa_question_circle };
 
         public abstract string Description { get; }
 

osu.Game/Rulesets/RulesetStore.cs

@@ -62,7 +62,7 @@ namespace osu.Game.Rulesets
             {
                 var us = createRulesetInfo(r);
 
-                var existing = Query<RulesetInfo>().FirstOrDefault(ri => ri.InstantiationInfo == us.InstantiationInfo);
+                var existing = Query<RulesetInfo>().Where(ri => ri.InstantiationInfo == us.InstantiationInfo).FirstOrDefault();
 
                 if (existing == null)
                     Connection.Insert(us);

osu.Game/Rulesets/UI/ModIcon.cs

@@ -8,13 +8,14 @@ using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Game.Graphics;
 using osu.Game.Rulesets.Mods;
+using OpenTK;
 
 namespace osu.Game.Rulesets.UI
 {
     public class ModIcon : Container
     {
-        private readonly TextAwesome modIcon;
-        private readonly TextAwesome background;
+        private readonly SpriteIcon modIcon;
+        private readonly SpriteIcon background;
 
         private const float icon_size = 80;
 
@@ -34,20 +35,20 @@ namespace osu.Game.Rulesets.UI
 
             Children = new Drawable[]
             {
-                background = new TextAwesome
+                background = new SpriteIcon
                 {
                     Origin = Anchor.Centre,
                     Anchor = Anchor.Centre,
-                    TextSize = icon_size,
+                    Size = new Vector2(icon_size),
                     Icon = FontAwesome.fa_osu_mod_bg,
                     Shadow = true,
                 },
-                modIcon = new TextAwesome
+                modIcon = new SpriteIcon
                 {
                     Origin = Anchor.Centre,
                     Anchor = Anchor.Centre,
                     Colour = OsuColour.Gray(84),
-                    TextSize = icon_size - 35,
+                    Size = new Vector2(icon_size - 35),
                     Icon = mod.Icon
                 },
             };

osu.Game/Screens/Menu/Button.cs

@@ -31,7 +31,7 @@ namespace osu.Game.Screens.Menu
         private readonly Container iconText;
         private readonly Container box;
         private readonly Box boxHoverLayer;
-        private readonly TextAwesome icon;
+        private readonly SpriteIcon icon;
         private readonly string sampleName;
         private readonly Action clickAction;
         private readonly Key triggerKey;
@@ -95,12 +95,12 @@ namespace osu.Game.Screens.Menu
                     Origin = Anchor.Centre,
                     Children = new Drawable[]
                     {
-                        icon = new TextAwesome
+                        icon = new SpriteIcon
                         {
                             Shadow = true,
                             Anchor = Anchor.Centre,
                             Origin = Anchor.Centre,
-                            TextSize = 30,
+                            Size = new Vector2(30),
                             Position = new Vector2(0, 0),
                             Icon = symbol
                         },

osu.Game/Screens/Menu/Disclaimer.cs

@@ -15,7 +15,7 @@ namespace osu.Game.Screens.Menu
     internal class Disclaimer : OsuScreen
     {
         private Intro intro;
-        private readonly TextAwesome icon;
+        private readonly SpriteIcon icon;
         private Color4 iconColour;
 
         internal override bool ShowOverlays => false;
@@ -37,12 +37,12 @@ namespace osu.Game.Screens.Menu
                     Spacing = new Vector2(0, 2),
                     Children = new Drawable[]
                     {
-                        icon = new TextAwesome
+                        icon = new SpriteIcon
                         {
                             Anchor = Anchor.TopCentre,
                             Origin = Anchor.TopCentre,
                             Icon = FontAwesome.fa_warning,
-                            TextSize = 30,
+                            Size = new Vector2(30),
                         },
                         new OsuSpriteText
                         {

osu.Game/Screens/Play/SkipButton.cs

@@ -227,9 +227,9 @@ namespace osu.Game.Screens.Play
                                 Direction = FillDirection.Horizontal,
                                 Children = new[]
                                 {
-                                    new TextAwesome { Icon = FontAwesome.fa_chevron_right },
-                                    new TextAwesome { Icon = FontAwesome.fa_chevron_right },
-                                    new TextAwesome { Icon = FontAwesome.fa_chevron_right },
+                                    new SpriteIcon { Icon = FontAwesome.fa_chevron_right },
+                                    new SpriteIcon { Icon = FontAwesome.fa_chevron_right },
+                                    new SpriteIcon { Icon = FontAwesome.fa_chevron_right },
                                 }
                             },
                             new OsuSpriteText

osu.Game/Screens/Ranking/ResultModeButton.cs

@@ -78,14 +78,14 @@ namespace osu.Game.Screens.Ranking
                             RelativeSizeAxes = Axes.Both,
                             Colour = Color4.Transparent,
                         },
-                        new TextAwesome
+                        new SpriteIcon
                         {
                             Anchor = Anchor.Centre,
                             Origin = Anchor.Centre,
                             Shadow = false,
                             Colour = OsuColour.Gray(0.95f),
                             Icon = icon,
-                            TextSize = 20,
+                            Size = new Vector2(20),
                         }
                     }
                 }

osu.Game/Screens/ScreenWhiteBox.cs

@@ -108,14 +108,14 @@ namespace osu.Game.Screens
                             Anchor = Anchor.Centre,
                             Origin = Anchor.Centre,
                             Direction = FillDirection.Vertical,
-                            Children = new[]
+                            Children = new Drawable[]
                             {
-                                new TextAwesome
+                                new SpriteIcon
                                 {
                                     Icon = FontAwesome.fa_universal_access,
                                     Anchor = Anchor.TopCentre,
                                     Origin = Anchor.TopCentre,
-                                    TextSize = 50,
+                                    Size = new Vector2(50),
                                 },
                                 new OsuSpriteText
                                 {

osu.Game/Screens/Select/BeatmapCarousel.cs

@@ -107,6 +107,14 @@ namespace osu.Game.Screens.Select
             });
         }
 
+        public void RemoveBeatmap(BeatmapSetInfo beatmapSet)
+        {
+            Schedule(delegate
+            {
+                removeGroup(groups.Find(b => b.BeatmapSet.ID == beatmapSet.ID));
+            });
+        }
+
         public void SelectBeatmap(BeatmapInfo beatmap, bool animated = true)
         {
             if (beatmap == null)
@@ -128,8 +136,6 @@ namespace osu.Game.Screens.Select
             }
         }
 
-        public void RemoveBeatmap(BeatmapSetInfo info) => removeGroup(groups.Find(b => b.BeatmapSet.ID == info.ID));
-
         public Action<BeatmapInfo> SelectionChanged;
 
         public Action StartRequested;
@@ -181,12 +187,12 @@ namespace osu.Game.Screens.Select
             if (groups.Count == 0)
                 return;
 
-            randomSelectedBeatmaps.Push(new KeyValuePair<BeatmapGroup, BeatmapPanel>(selectedGroup, selectedGroup.SelectedPanel));
-
             var visibleGroups = getVisibleGroups();
             if (!visibleGroups.Any())
                 return;
 
+            randomSelectedBeatmaps.Push(new KeyValuePair<BeatmapGroup, BeatmapPanel>(selectedGroup, selectedGroup.SelectedPanel));
+
             BeatmapGroup group;
 
             if (randomType == SelectionRandomType.RandomPermutation)
@@ -281,6 +287,12 @@ namespace osu.Game.Screens.Select
                 perform();
         }
 
+        public void ScrollToSelected(bool animated = true)
+        {
+            float selectedY = computeYPositions(animated);
+            ScrollTo(selectedY, animated);
+        }
+
         private BeatmapGroup createGroup(BeatmapSetInfo beatmapSet)
         {
             foreach (var b in beatmapSet.Beatmaps)
@@ -420,8 +432,7 @@ namespace osu.Game.Screens.Select
             }
             finally
             {
-                float selectedY = computeYPositions(animated);
-                ScrollTo(selectedY, animated);
+                ScrollToSelected(animated);
             }
         }
 

osu.Game/Screens/Select/BeatmapInfoWedge.cs

@@ -247,21 +247,21 @@ namespace osu.Game.Screens.Select
                     AutoSizeAxes = Axes.Both;
                     Children = new Drawable[]
                     {
-                    new TextAwesome
+                    new SpriteIcon
                     {
                         Icon = FontAwesome.fa_square,
                         Origin = Anchor.Centre,
                         Colour = new Color4(68, 17, 136, 255),
                         Rotation = 45,
-                        TextSize = 20
+                        Size = new Vector2(20),
                     },
-                    new TextAwesome
+                    new SpriteIcon
                     {
                         Icon = statistic.Icon,
                         Origin = Anchor.Centre,
                         Colour = new Color4(255, 221, 85, 255),
                         Scale = new Vector2(0.8f),
-                        TextSize = 20
+                        Size = new Vector2(20),
                     },
                     new OsuSpriteText
                     {

osu.Game/Screens/Select/FilterControl.cs

@@ -121,7 +121,7 @@ namespace osu.Game.Screens.Select
                                 //{
                                 //    Font = @"Exo2.0-Bold",
                                 //    Text = "Sort results by",
-                                //    TextSize = 14,
+                                //    Size = 14,
                                 //    Margin = new MarginPadding
                                 //    {
                                 //        Top = 5,

osu.Game/Screens/Select/Leaderboards/LeaderboardScore.cs

@@ -334,25 +334,23 @@ namespace osu.Game.Screens.Select.Leaderboards
 
                 Children = new[]
                 {
-                    new TextAwesome
+                    new SpriteIcon
                     {
                         Origin = Anchor.Centre,
                         Anchor = Anchor.Centre,
                         Icon = FontAwesome.fa_osu_mod_bg,
                         Colour = colour,
                         Shadow = true,
-                        TextSize = 30,
-                        UseFullGlyphHeight = false,
+                        Size = new Vector2(30),
                     },
-                    new TextAwesome
+                    new SpriteIcon
                     {
                         Origin = Anchor.Centre,
                         Anchor = Anchor.Centre,
                         Icon = icon,
                         Colour = OsuColour.Gray(84),
-                        TextSize = 18,
+                        Size = new Vector2(18),
                         Position = new Vector2(0f, 2f),
-                        UseFullGlyphHeight = false,
                     },
                 };
             }
@@ -369,7 +367,7 @@ namespace osu.Game.Screens.Select.Leaderboards
 
                 Children = new Drawable[]
                 {
-                    new TextAwesome
+                    new SpriteIcon
                     {
                         Origin = Anchor.Centre,
                         Icon = FontAwesome.fa_square,
@@ -377,7 +375,7 @@ namespace osu.Game.Screens.Select.Leaderboards
                         Rotation = 45,
                         Shadow = true,
                     },
-                    new TextAwesome
+                    new SpriteIcon
                     {
                         Origin = Anchor.Centre,
                         Icon = icon,

osu.Game/Screens/Select/Options/BeatmapOptionsButton.cs

@@ -21,7 +21,7 @@ namespace osu.Game.Screens.Select.Options
 
         private readonly Box background;
         private readonly Box flash;
-        private readonly TextAwesome iconText;
+        private readonly SpriteIcon iconText;
         private readonly OsuSpriteText firstLine;
         private readonly OsuSpriteText secondLine;
         private readonly Container box;
@@ -134,11 +134,11 @@ namespace osu.Game.Screens.Select.Options
                     Direction = FillDirection.Vertical,
                     Children = new Drawable[]
                     {
-                        iconText = new TextAwesome
+                        iconText = new SpriteIcon
                         {
                             Origin = Anchor.TopCentre,
                             Anchor = Anchor.TopCentre,
-                            TextSize = 30,
+                            Size = new Vector2(30),
                             Shadow = true,
                             Icon = FontAwesome.fa_close,
                             Margin = new MarginPadding

osu.Game/Screens/Select/SongSelect.cs

@@ -126,6 +126,11 @@ namespace osu.Game.Screens.Select
                     Right = left_area_padding,
                 },
             });
+            Add(new ResetScrollContainer(() => carousel.ScrollToSelected())
+            {
+                RelativeSizeAxes = Axes.Y,
+                Width = 250,
+            });
 
             if (ShowFooter)
             {
@@ -277,7 +282,7 @@ namespace osu.Game.Screens.Select
             carousel.Filter(criteria, debounce);
         }
 
-        private void onBeatmapSetAdded(BeatmapSetInfo s) => carousel.AddBeatmap(s);
+        private void onBeatmapSetAdded(BeatmapSetInfo s) => Schedule(() => addBeatmapSet(s));
 
         private void onBeatmapSetRemoved(BeatmapSetInfo s) => Schedule(() => removeBeatmapSet(s));
 
@@ -372,6 +377,11 @@ namespace osu.Game.Screens.Select
             }
         }
 
+        private void addBeatmapSet(BeatmapSetInfo beatmapSet)
+        {
+            carousel.AddBeatmap(beatmapSet);
+        }
+
         private void removeBeatmapSet(BeatmapSetInfo beatmapSet)
         {
             carousel.RemoveBeatmap(beatmapSet);
@@ -406,5 +416,21 @@ namespace osu.Game.Screens.Select
 
             return base.OnKeyDown(state, args);
         }
+
+        private class ResetScrollContainer : Container
+        {
+            private readonly Action onHoverAction;
+
+            public ResetScrollContainer(Action onHoverAction)
+            {
+                this.onHoverAction = onHoverAction;
+            }
+
+            protected override bool OnHover(InputState state)
+            {
+                onHoverAction?.Invoke();
+                return base.OnHover(state);
+            }
+        }
     }
 }

osu.Game/Users/UserPanel.cs

@@ -142,15 +142,15 @@ namespace osu.Game.Users
                             Origin = Anchor.Centre,
                             AutoSizeAxes = Axes.Both,
                             Spacing = new Vector2(5f, 0f),
-                            Children = new[]
+                            Children = new Drawable[]
                             {
-                                new TextAwesome
+                                new SpriteIcon
                                 {
                                     Anchor = Anchor.CentreLeft,
                                     Origin = Anchor.CentreLeft,
                                     Icon = FontAwesome.fa_circle_o,
                                     Shadow = true,
-                                    TextSize = 14,
+                                    Size = new Vector2(14),
                                 },
                                 statusMessage = new OsuSpriteText
                                 {

osu.Game/osu.Game.csproj

@@ -104,6 +104,7 @@
     <Compile Include="Overlays\Music\PlaylistList.cs" />
     <Compile Include="Overlays\OnScreenDisplay.cs" />
     <Compile Include="Graphics\Containers\SectionsContainer.cs" />
+    <Compile Include="Overlays\Settings\Sections\Maintenance\GeneralSettings.cs" />
     <Compile Include="Overlays\Settings\SettingsHeader.cs" />
     <Compile Include="Overlays\Settings\Sections\Audio\MainMenuSettings.cs" />
     <Compile Include="Overlays\Toolbar\ToolbarChatButton.cs" />
@@ -115,6 +116,7 @@
     <Compile Include="Overlays\Profile\RankChart.cs" />
     <Compile Include="Overlays\Profile\Sections\RanksSection.cs" />
     <Compile Include="Overlays\Profile\Sections\RecentSection.cs" />
+    <Compile Include="Graphics\Containers\ConstrainedIconContainer.cs" />
     <Compile Include="Users\UserCoverBackground.cs" />
     <Compile Include="Overlays\UserProfileOverlay.cs" />
     <Compile Include="Overlays\Profile\ProfileHeader.cs" />
@@ -348,7 +350,7 @@
     <Compile Include="Graphics\Containers\ParallaxContainer.cs" />
     <Compile Include="Graphics\Cursor\MenuCursor.cs" />
     <Compile Include="Graphics\Processing\RatioAdjust.cs" />
-    <Compile Include="Graphics\TextAwesome.cs" />
+    <Compile Include="Graphics\SpriteIcon.cs" />
     <Compile Include="Screens\Play\KeyCounter.cs" />
     <Compile Include="Screens\Play\KeyCounterKeyboard.cs" />
     <Compile Include="Screens\Play\KeyCounterCollection.cs" />

osu.sln.DotSettings

@@ -115,7 +115,7 @@
 	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithSingleCallToAny/@EntryIndexedValue">WARNING</s:String>
 	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithSingleCallToCount/@EntryIndexedValue">WARNING</s:String>
 	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithSingleCallToFirst/@EntryIndexedValue">WARNING</s:String>
-	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithSingleCallToFirstOrDefault/@EntryIndexedValue">WARNING</s:String>
+	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithSingleCallToFirstOrDefault/@EntryIndexedValue">HINT</s:String>
 	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithSingleCallToLast/@EntryIndexedValue">WARNING</s:String>
 	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithSingleCallToLastOrDefault/@EntryIndexedValue">WARNING</s:String>
 	<s:String x:Key="/Default/CodeInspection/Highlighting/InspectionSeverities/=ReplaceWithSingleCallToSingle/@EntryIndexedValue">WARNING</s:String>