Fix reflection-related iOS crashes

osu.Game.Tests/Utils/BindableValueAccessorTest.cs

@@ -0,0 +1,52 @@
+// Copyright (c) ppy Pty Ltd <[email protected]>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using NUnit.Framework;
+using osu.Framework.Bindables;
+using osu.Game.Utils;
+
+namespace osu.Game.Tests.Utils
+{
+    [TestFixture]
+    public class BindableValueAccessorTest
+    {
+        [Test]
+        public void GetValue()
+        {
+            const int value = 1337;
+
+            BindableInt bindable = new BindableInt(value);
+            Assert.That(BindableValueAccessor.GetValue(bindable), Is.EqualTo(value));
+        }
+
+        [Test]
+        public void SetValue()
+        {
+            const int value = 1337;
+
+            BindableInt bindable = new BindableInt();
+            BindableValueAccessor.SetValue(bindable, value);
+
+            Assert.That(bindable.Value, Is.EqualTo(value));
+        }
+
+        [Test]
+        public void GetInvalidBindable()
+        {
+            BindableList<object> list = new BindableList<object>();
+            Assert.That(BindableValueAccessor.GetValue(list), Is.EqualTo(list));
+        }
+
+        [Test]
+        public void SetInvalidBindable()
+        {
+            const int value = 1337;
+
+            BindableList<int> list = new BindableList<int> { value };
+            BindableValueAccessor.SetValue(list, 2);
+
+            Assert.That(list, Has.Exactly(1).Items);
+            Assert.That(list[0], Is.EqualTo(value));
+        }
+    }
+}

osu.Game/Beatmaps/BeatmapImporter.cs

@@ -198,8 +198,10 @@ protected override void PreImport(BeatmapSetInfo beatmapSet, Realm realm)
 
             if (beatmapSet.OnlineID > 0)
             {
+                int onlineId = beatmapSet.OnlineID;
+
                 // OnlineID should really be unique, but to avoid catastrophic failure let's iterate just to be sure.
-                foreach (var existingSetWithSameOnlineID in realm.All<BeatmapSetInfo>().Where(b => b.OnlineID == beatmapSet.OnlineID))
+                foreach (var existingSetWithSameOnlineID in realm.All<BeatmapSetInfo>().Where(b => b.OnlineID == onlineId))
                 {
                     existingSetWithSameOnlineID.DeletePending = true;
                     existingSetWithSameOnlineID.OnlineID = -1;

osu.Game/Configuration/SettingSourceAttribute.cs

@@ -4,7 +4,6 @@
 using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
-using System.Diagnostics;
 using System.Linq;
 using System.Reflection;
 using JetBrains.Annotations;
@@ -15,6 +14,7 @@
 using osu.Framework.Localisation;
 using osu.Game.Graphics.UserInterface;
 using osu.Game.Overlays.Settings;
+using osu.Game.Utils;
 
 namespace osu.Game.Configuration
 {
@@ -228,10 +228,7 @@ public static object GetUnderlyingSettingValue(this object setting)
                     return b.Value;
 
                 case IBindable u:
-                    // An unknown (e.g. enum) generic type.
-                    var valueMethod = u.GetType().GetProperty(nameof(IBindable<int>.Value));
-                    Debug.Assert(valueMethod != null);
-                    return valueMethod.GetValue(u)!;
+                    return BindableValueAccessor.GetValue(u);
 
                 default:
                     // fall back for non-bindable cases.

osu.Game/Online/BeatmapDownloadTracker.cs

@@ -40,7 +40,9 @@ protected override void LoadComplete()
             // Used to interact with manager classes that don't support interface types. Will eventually be replaced.
             var beatmapSetInfo = new BeatmapSetInfo { OnlineID = TrackedItem.OnlineID };
 
-            realmSubscription = realm.RegisterForNotifications(r => r.All<BeatmapSetInfo>().Where(s => s.OnlineID == TrackedItem.OnlineID && !s.DeletePending), (items, _) =>
+            int onlineId = TrackedItem.OnlineID;
+
+            realmSubscription = realm.RegisterForNotifications(r => r.All<BeatmapSetInfo>().Where(s => s.OnlineID == onlineId && !s.DeletePending), (items, _) =>
             {
                 if (items.Any())
                     Schedule(() => UpdateState(DownloadState.LocallyAvailable));

osu.Game/Online/ScoreDownloadTracker.cs

@@ -46,10 +46,14 @@ protected override void LoadComplete()
             Downloader.DownloadBegan += downloadBegan;
             Downloader.DownloadFailed += downloadFailed;
 
+            long onlineId = TrackedItem.OnlineID;
+            long legacyOnlineId = TrackedItem.LegacyOnlineID;
+            string hash = TrackedItem.Hash;
+
             realmSubscription = realm.RegisterForNotifications(r => r.All<ScoreInfo>().Where(s =>
-                ((s.OnlineID > 0 && s.OnlineID == TrackedItem.OnlineID)
-                 || (s.LegacyOnlineID > 0 && s.LegacyOnlineID == TrackedItem.LegacyOnlineID)
-                 || (!string.IsNullOrEmpty(s.Hash) && s.Hash == TrackedItem.Hash))
+                ((s.OnlineID > 0 && s.OnlineID == onlineId)
+                 || (s.LegacyOnlineID > 0 && s.LegacyOnlineID == legacyOnlineId)
+                 || (!string.IsNullOrEmpty(s.Hash) && s.Hash == hash))
                 && !s.DeletePending), (items, _) =>
             {
                 if (items.Any())

osu.Game/Rulesets/Mods/Mod.cs

@@ -266,8 +266,7 @@ public void CopyCommonSettingsFrom(Mod source)
 
                 // TODO: special case for handling number types
 
-                PropertyInfo property = targetSetting.GetType().GetProperty(nameof(Bindable<bool>.Value))!;
-                property.SetValue(targetSetting, property.GetValue(sourceSetting));
+                BindableValueAccessor.SetValue(targetSetting, BindableValueAccessor.GetValue(sourceSetting));
             }
         }
 

osu.Game/Skinning/RealmBackedResourceStore.cs

@@ -29,7 +29,9 @@ public RealmBackedResourceStore(Live<T> source, IResourceStore<byte[]> underlyin
             invalidateCache();
             Debug.Assert(fileToStoragePathMapping != null);
 
-            realmSubscription = realm?.RegisterForNotifications(r => r.All<T>().Where(s => s.ID == source.ID), skinChanged);
+            Guid id = source.ID;
+
+            realmSubscription = realm?.RegisterForNotifications(r => r.All<T>().Where(s => s.ID == id), skinChanged);
         }
 
         protected override void Dispose(bool disposing)

osu.Game/Skinning/SkinManager.cs

@@ -131,9 +131,11 @@ public void SelectRandomSkin()
         {
             Realm.Run(r =>
             {
+                Guid currentSkinId = CurrentSkinInfo.Value.ID;
+
                 // choose from only user skins, removing the current selection to ensure a new one is chosen.
                 var randomChoices = r.All<SkinInfo>()
-                                     .Where(s => !s.DeletePending && s.ID != CurrentSkinInfo.Value.ID)
+                                     .Where(s => !s.DeletePending && s.ID != currentSkinId)
                                      .ToArray();
 
                 if (randomChoices.Length == 0)

osu.Game/Utils/BindableValueAccessor.cs

@@ -0,0 +1,44 @@
+// Copyright (c) ppy Pty Ltd <[email protected]>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System;
+using System.Linq;
+using System.Reflection;
+using osu.Framework.Bindables;
+using osu.Framework.Extensions.TypeExtensions;
+
+namespace osu.Game.Utils
+{
+    internal static class BindableValueAccessor
+    {
+        private static readonly MethodInfo get_method = typeof(BindableValueAccessor).GetMethod(nameof(getValue), BindingFlags.Static | BindingFlags.NonPublic)!;
+        private static readonly MethodInfo set_method = typeof(BindableValueAccessor).GetMethod(nameof(setValue), BindingFlags.Static | BindingFlags.NonPublic)!;
+
+        public static object GetValue(IBindable bindable)
+        {
+            Type? bindableWithValueType = bindable.GetType().GetInterfaces().FirstOrDefault(isBindableT);
+            if (bindableWithValueType == null)
+                return bindable;
+
+            return get_method.MakeGenericMethod(bindableWithValueType.GenericTypeArguments[0]).Invoke(null, [bindable])!;
+        }
+
+        public static void SetValue(IBindable bindable, object value)
+        {
+            Type? bindableWithValueType = bindable.GetType().EnumerateBaseTypes().FirstOrDefault(isBindableT);
+            if (bindableWithValueType == null)
+                return;
+
+            set_method.MakeGenericMethod(bindableWithValueType.GenericTypeArguments[0]).Invoke(null, [bindable, value]);
+        }
+
+        private static bool isBindableT(Type type)
+            => type.IsGenericType
+               && (type.GetGenericTypeDefinition() == typeof(Bindable<>)
+                   || type.GetGenericTypeDefinition() == typeof(IBindable<>));
+
+        private static object getValue<T>(object bindable) => ((IBindable<T>)bindable).Value!;
+
+        private static object setValue<T>(object bindable, object value) => ((Bindable<T>)bindable).Value = (T)value;
+    }
+}