Merge branch 'master' into async-beatmap-load

osu.Game/Beatmaps/BeatmapManager.cs

@@ -13,6 +13,7 @@ using osu.Framework.Audio;
 using osu.Framework.Audio.Track;
 using osu.Framework.Extensions;
 using osu.Framework.Graphics.Textures;
+using osu.Framework.Lists;
 using osu.Framework.Logging;
 using osu.Framework.Platform;
 using osu.Framework.Threading;
@@ -159,6 +160,8 @@ namespace osu.Game.Beatmaps
         /// <param name="beatmap">The beatmap difficulty to restore.</param>
         public void Restore(BeatmapInfo beatmap) => beatmaps.Restore(beatmap);
 
+        private readonly WeakList<WorkingBeatmap> workingCache = new WeakList<WorkingBeatmap>();
+
         /// <summary>
         /// Retrieve a <see cref="WorkingBeatmap"/> instance for the provided <see cref="BeatmapInfo"/>
         /// </summary>
@@ -173,12 +176,18 @@ namespace osu.Game.Beatmaps
             if (beatmapInfo?.BeatmapSet == null || beatmapInfo == DefaultBeatmap?.BeatmapInfo)
                 return DefaultBeatmap;
 
+            var cached = workingCache.FirstOrDefault(w => w.BeatmapInfo?.ID == beatmapInfo.ID);
+
+            if (cached != null)
+                return cached;
+
             if (beatmapInfo.Metadata == null)
                 beatmapInfo.Metadata = beatmapInfo.BeatmapSet.Metadata;
 
             WorkingBeatmap working = new BeatmapManagerWorkingBeatmap(Files.Store, new LargeTextureStore(host?.CreateTextureLoaderStore(Files.Store)), beatmapInfo, audioManager);
 
             previous?.TransferTo(working);
+            workingCache.Add(working);
 
             return working;
         }

osu.Game/Beatmaps/WorkingBeatmap.cs

@@ -51,6 +51,11 @@ namespace osu.Game.Beatmaps
             total_count.Value++;
         }
 
+        ~WorkingBeatmap()
+        {
+            Dispose(false);
+        }
+
         protected virtual Track GetVirtualTrack()
         {
             const double excess_length = 1000;
@@ -248,7 +253,6 @@ namespace osu.Game.Beatmaps
             // cancelling the beatmap load is safe for now since the retrieval is a synchronous
             // operation. if we add an async retrieval method this may need to be reconsidered.
             beatmapCancellation.Cancel();
-
             total_count.Value--;
         }
 

osu.Game/Database/DatabaseContextFactory.cs

@@ -5,6 +5,7 @@ using System.Linq;
 using System.Threading;
 using Microsoft.EntityFrameworkCore.Storage;
 using osu.Framework.Platform;
+using osu.Framework.Statistics;
 
 namespace osu.Game.Database
 {
@@ -31,11 +32,20 @@ namespace osu.Game.Database
             recycleThreadContexts();
         }
 
+        private static readonly GlobalStatistic<int> reads = GlobalStatistics.Get<int>("Database", "Get (Read)");
+        private static readonly GlobalStatistic<int> writes = GlobalStatistics.Get<int>("Database", "Get (Write)");
+        private static readonly GlobalStatistic<int> commits = GlobalStatistics.Get<int>("Database", "Commits");
+        private static readonly GlobalStatistic<int> rollbacks = GlobalStatistics.Get<int>("Database", "Rollbacks");
+
         /// <summary>
         /// Get a context for the current thread for read-only usage.
         /// If a <see cref="DatabaseWriteUsage"/> is in progress, the existing write-safe context will be returned.
         /// </summary>
-        public OsuDbContext Get() => threadContexts.Value;
+        public OsuDbContext Get()
+        {
+            reads.Value++;
+            return threadContexts.Value;
+        }
 
         /// <summary>
         /// Request a context for write usage. Can be consumed in a nested fashion (and will return the same underlying context).
@@ -45,6 +55,7 @@ namespace osu.Game.Database
         /// <returns>A usage containing a usable context.</returns>
         public DatabaseWriteUsage GetForWrite(bool withTransaction = true)
         {
+            writes.Value++;
             Monitor.Enter(writeLock);
             OsuDbContext context;
 
@@ -90,9 +101,15 @@ namespace osu.Game.Database
                 if (usages == 0)
                 {
                     if (currentWriteDidError)
+                    {
+                        rollbacks.Value++;
                         currentWriteTransaction?.Rollback();
+                    }
                     else
+                    {
+                        commits.Value++;
                         currentWriteTransaction?.Commit();
+                    }
 
                     if (currentWriteDidWrite || currentWriteDidError)
                     {

osu.Game/Database/OsuDbContext.cs

@@ -6,6 +6,7 @@ using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Diagnostics;
 using Microsoft.Extensions.Logging;
 using osu.Framework.Logging;
+using osu.Framework.Statistics;
 using osu.Game.Beatmaps;
 using osu.Game.Configuration;
 using osu.Game.IO;
@@ -34,6 +35,8 @@ namespace osu.Game.Database
 
         private static readonly Lazy<OsuDbLoggerFactory> logger = new Lazy<OsuDbLoggerFactory>(() => new OsuDbLoggerFactory());
 
+        private static readonly GlobalStatistic<int> contexts = GlobalStatistics.Get<int>("Database", "Contexts");
+
         static OsuDbContext()
         {
             // required to initialise native SQLite libraries on some platforms.
@@ -76,6 +79,8 @@ namespace osu.Game.Database
                 connection.Close();
                 throw;
             }
+
+            contexts.Value++;
         }
 
         ~OsuDbContext()
@@ -85,6 +90,20 @@ namespace osu.Game.Database
             Dispose();
         }
 
+        private bool isDisposed;
+
+        public override void Dispose()
+        {
+            if (isDisposed) return;
+
+            isDisposed = true;
+
+            base.Dispose();
+
+            contexts.Value--;
+            GC.SuppressFinalize(this);
+        }
+
         protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
         {
             base.OnConfiguring(optionsBuilder);

osu.Game/Graphics/Backgrounds/Background.cs

@@ -6,23 +6,28 @@ using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Sprites;
 using osu.Framework.Graphics.Textures;
+using osu.Framework.Graphics.Transforms;
+using osuTK;
 
 namespace osu.Game.Graphics.Backgrounds
 {
-    public class Background : BufferedContainer
+    /// <summary>
+    /// A background which offers blurring via a <see cref="BufferedContainer"/> on demand.
+    /// </summary>
+    public class Background : CompositeDrawable
     {
         public Sprite Sprite;
 
         private readonly string textureName;
 
+        private BufferedContainer bufferedContainer;
+
         public Background(string textureName = @"")
         {
-            CacheDrawnFrameBuffer = true;
-
             this.textureName = textureName;
             RelativeSizeAxes = Axes.Both;
 
-            Add(Sprite = new Sprite
+            AddInternal(Sprite = new Sprite
             {
                 RelativeSizeAxes = Axes.Both,
                 Anchor = Anchor.Centre,
@@ -37,5 +42,28 @@ namespace osu.Game.Graphics.Backgrounds
             if (!string.IsNullOrEmpty(textureName))
                 Sprite.Texture = textures.Get(textureName);
         }
+
+        public Vector2 BlurSigma => bufferedContainer?.BlurSigma ?? Vector2.Zero;
+
+        /// <summary>
+        /// Smoothly adjusts <see cref="IBufferedContainer.BlurSigma"/> over time.
+        /// </summary>
+        /// <returns>A <see cref="TransformSequence{T}"/> to which further transforms can be added.</returns>
+        public void BlurTo(Vector2 newBlurSigma, double duration = 0, Easing easing = Easing.None)
+        {
+            if (bufferedContainer == null)
+            {
+                RemoveInternal(Sprite);
+
+                AddInternal(bufferedContainer = new BufferedContainer
+                {
+                    CacheDrawnFrameBuffer = true,
+                    RelativeSizeAxes = Axes.Both,
+                    Child = Sprite
+                });
+            }
+
+            bufferedContainer.BlurTo(newBlurSigma, duration, easing);
+        }
     }
 }

osu.Game/Overlays/SocialOverlay.cs

@@ -66,24 +66,64 @@ namespace osu.Game.Overlays
                 }
             };
 
-            Header.Tabs.Current.ValueChanged += _ => Scheduler.AddOnce(updateSearch);
+            Header.Tabs.Current.ValueChanged += _ => queueUpdate();
 
-            Filter.Tabs.Current.ValueChanged += _ => Scheduler.AddOnce(updateSearch);
+            Filter.Tabs.Current.ValueChanged += _ => queueUpdate();
 
             Filter.DisplayStyleControl.DisplayStyle.ValueChanged += style => recreatePanels(style.NewValue);
-            Filter.DisplayStyleControl.Dropdown.Current.ValueChanged += _ => Scheduler.AddOnce(updateSearch);
+            Filter.DisplayStyleControl.Dropdown.Current.ValueChanged += _ => queueUpdate();
 
+            currentQuery.BindTo(Filter.Search.Current);
             currentQuery.ValueChanged += query =>
             {
                 queryChangedDebounce?.Cancel();
 
                 if (string.IsNullOrEmpty(query.NewValue))
-                    Scheduler.AddOnce(updateSearch);
+                    queueUpdate();
                 else
                     queryChangedDebounce = Scheduler.AddDelayed(updateSearch, 500);
             };
+        }
 
-            currentQuery.BindTo(Filter.Search.Current);
+        private APIRequest getUsersRequest;
+
+        private readonly Bindable<string> currentQuery = new Bindable<string>();
+
+        private ScheduledDelegate queryChangedDebounce;
+
+        private void queueUpdate() => Scheduler.AddOnce(updateSearch);
+
+        private void updateSearch()
+        {
+            queryChangedDebounce?.Cancel();
+
+            if (!IsLoaded)
+                return;
+
+            Users = null;
+            clearPanels();
+            loading.Hide();
+            getUsersRequest?.Cancel();
+
+            if (API?.IsLoggedIn != true)
+                return;
+
+            switch (Header.Tabs.Current.Value)
+            {
+                case SocialTab.Friends:
+                    var friendRequest = new GetFriendsRequest(); // TODO filter arguments?
+                    friendRequest.Success += updateUsers;
+                    API.Queue(getUsersRequest = friendRequest);
+                    break;
+
+                default:
+                    var userRequest = new GetUsersRequest(); // TODO filter arguments!
+                    userRequest.Success += response => updateUsers(response.Select(r => r.User));
+                    API.Queue(getUsersRequest = userRequest);
+                    break;
+            }
+
+            loading.Show();
         }
 
         private void recreatePanels(PanelDisplayStyle displayStyle)
@@ -133,45 +173,6 @@ namespace osu.Game.Overlays
             });
         }
 
-        private APIRequest getUsersRequest;
-
-        private readonly Bindable<string> currentQuery = new Bindable<string>();
-
-        private ScheduledDelegate queryChangedDebounce;
-
-        private void updateSearch()
-        {
-            queryChangedDebounce?.Cancel();
-
-            if (!IsLoaded)
-                return;
-
-            Users = null;
-            clearPanels();
-            loading.Hide();
-            getUsersRequest?.Cancel();
-
-            if (API?.IsLoggedIn != true)
-                return;
-
-            switch (Header.Tabs.Current.Value)
-            {
-                case SocialTab.Friends:
-                    var friendRequest = new GetFriendsRequest(); // TODO filter arguments?
-                    friendRequest.Success += updateUsers;
-                    API.Queue(getUsersRequest = friendRequest);
-                    break;
-
-                default:
-                    var userRequest = new GetUsersRequest(); // TODO filter arguments!
-                    userRequest.Success += response => updateUsers(response.Select(r => r.User));
-                    API.Queue(getUsersRequest = userRequest);
-                    break;
-            }
-
-            loading.Show();
-        }
-
         private void updateUsers(IEnumerable<User> newUsers)
         {
             Users = newUsers;
@@ -193,7 +194,7 @@ namespace osu.Game.Overlays
             switch (state)
             {
                 case APIState.Online:
-                    Scheduler.AddOnce(updateSearch);
+                    queueUpdate();
                     break;
 
                 default:

osu.Game/Screens/Backgrounds/BackgroundScreenDefault.cs

@@ -18,7 +18,7 @@ namespace osu.Game.Screens.Backgrounds
         private Background background;
 
         private int currentDisplay;
-        private const int background_count = 5;
+        private const int background_count = 7;
 
         private string backgroundName => $@"Menu/menu-background-{currentDisplay % background_count + 1}";
 

osu.Game/Screens/Menu/Intro.cs

@@ -86,6 +86,7 @@ namespace osu.Game.Screens.Menu
             if (!resuming)
             {
                 Beatmap.Value = introBeatmap;
+                introBeatmap = null;
 
                 if (menuVoice.Value)
                     welcome.Play();
@@ -94,7 +95,10 @@ namespace osu.Game.Screens.Menu
                 {
                     // Only start the current track if it is the menu music. A beatmap's track is started when entering the Main Manu.
                     if (menuMusic.Value)
+                    {
                         track.Start();
+                        track = null;
+                    }
 
                     LoadComponentAsync(mainMenu = new MainMenu());
 

osu.Game/Screens/Menu/LogoVisualisation.cs

@@ -96,13 +96,13 @@ namespace osu.Game.Screens.Menu
             var track = beatmap.Value.TrackLoaded ? beatmap.Value.Track : null;
             var effect = beatmap.Value.BeatmapLoaded ? beatmap.Value.Beatmap.ControlPointInfo.EffectPointAt(track?.CurrentTime ?? Time.Current) : null;
 
-            float[] temporalAmplitudes = track?.CurrentAmplitudes.FrequencyAmplitudes ?? new float[256];
+            float[] temporalAmplitudes = track?.CurrentAmplitudes.FrequencyAmplitudes;
 
             for (int i = 0; i < bars_per_visualiser; i++)
             {
                 if (track?.IsRunning ?? false)
                 {
-                    float targetAmplitude = temporalAmplitudes[(i + indexOffset) % bars_per_visualiser] * (effect?.KiaiMode == true ? 1 : 0.5f);
+                    float targetAmplitude = (temporalAmplitudes?[(i + indexOffset) % bars_per_visualiser] ?? 0) * (effect?.KiaiMode == true ? 1 : 0.5f);
                     if (targetAmplitude > frequencyAmplitudes[i])
                         frequencyAmplitudes[i] = targetAmplitude;
                 }
@@ -115,7 +115,6 @@ namespace osu.Game.Screens.Menu
             }
 
             indexOffset = (indexOffset + index_change) % bars_per_visualiser;
-            Scheduler.AddDelayed(updateAmplitudes, time_between_updates);
         }
 
         private void updateColour()
@@ -131,7 +130,8 @@ namespace osu.Game.Screens.Menu
         protected override void LoadComplete()
         {
             base.LoadComplete();
-            updateAmplitudes();
+
+            Scheduler.AddDelayed(updateAmplitudes, time_between_updates, true);
         }
 
         protected override void Update()

osu.Game/osu.Game.csproj

@@ -14,7 +14,7 @@
     <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="2.2.4" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite.Core" Version="2.2.4" />
     <PackageReference Include="Newtonsoft.Json" Version="12.0.2" />
-    <PackageReference Include="ppy.osu.Game.Resources" Version="2019.701.0" />
+    <PackageReference Include="ppy.osu.Game.Resources" Version="2019.702.0" />
     <PackageReference Include="ppy.osu.Framework" Version="2019.702.0" />
     <PackageReference Include="SharpCompress" Version="0.23.0" />
     <PackageReference Include="NUnit" Version="3.12.0" />

osu.iOS.props

@@ -104,7 +104,7 @@
     <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="2.2.1" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite.Core" Version="2.2.1" />
     <PackageReference Include="Newtonsoft.Json" Version="12.0.1" />
-    <PackageReference Include="ppy.osu.Game.Resources" Version="2019.701.0" />
+    <PackageReference Include="ppy.osu.Game.Resources" Version="2019.702.0" />
     <PackageReference Include="ppy.osu.Framework" Version="2019.702.0" />
     <PackageReference Include="ppy.osu.Framework.iOS" Version="2019.702.0" />
     <PackageReference Include="SharpCompress" Version="0.22.0" />