Add method to unmap RealmKeyBinding.Action to actual enum-typed value

osu.Game.Tests/Input/RealmKeyBindingTest.cs

@@ -0,0 +1,48 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System;
+using NUnit.Framework;
+using osu.Framework.Allocation;
+using osu.Framework.Input.Bindings;
+using osu.Framework.Testing;
+using osu.Game.Input.Bindings;
+using osu.Game.Rulesets;
+using osu.Game.Rulesets.Catch;
+using osu.Game.Rulesets.Mania;
+using osu.Game.Rulesets.Osu;
+using osu.Game.Rulesets.Taiko;
+using osu.Game.Tests.Visual;
+using osuTK.Input;
+
+namespace osu.Game.Tests.Input
+{
+    [HeadlessTest]
+    public partial class RealmKeyBindingTest : OsuTestScene
+    {
+        [Resolved]
+        private RulesetStore rulesets { get; set; } = null!;
+
+        [Test]
+        public void TestUnmapGlobalAction()
+        {
+            var keyBinding = new RealmKeyBinding(GlobalAction.ToggleReplaySettings, KeyCombination.FromKey(Key.Z));
+
+            AddAssert("action is integer", () => keyBinding.Action, () => Is.EqualTo((int)GlobalAction.ToggleReplaySettings));
+            AddAssert("action unmaps correctly", () => keyBinding.GetAction(rulesets), () => Is.EqualTo(GlobalAction.ToggleReplaySettings));
+        }
+
+        [TestCase(typeof(OsuRuleset), OsuAction.Smoke, null)]
+        [TestCase(typeof(TaikoRuleset), TaikoAction.LeftCentre, null)]
+        [TestCase(typeof(CatchRuleset), CatchAction.MoveRight, null)]
+        [TestCase(typeof(ManiaRuleset), ManiaAction.Key7, 7)]
+        public void TestUnmapRulesetActions(Type rulesetType, object action, int? variant)
+        {
+            string rulesetName = ((Ruleset)Activator.CreateInstance(rulesetType)!).ShortName;
+            var keyBinding = new RealmKeyBinding(action, KeyCombination.FromKey(Key.Z), rulesetName, variant);
+
+            AddAssert("action is integer", () => keyBinding.Action, () => Is.EqualTo((int)action));
+            AddAssert("action unmaps correctly", () => keyBinding.GetAction(rulesets), () => Is.EqualTo(action));
+        }
+    }
+}

osu.Game/Input/Bindings/RealmKeyBinding.cs

@@ -2,9 +2,11 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System;
+using System.Linq;
 using JetBrains.Annotations;
 using osu.Framework.Input.Bindings;
 using osu.Game.Database;
+using osu.Game.Rulesets;
 using Realms;
 
 namespace osu.Game.Input.Bindings
@@ -26,6 +28,13 @@ namespace osu.Game.Input.Bindings
             set => KeyCombinationString = value.ToString();
         }
 
+        /// <summary>
+        /// The resultant action which is triggered by this binding.
+        /// </summary>
+        /// <remarks>
+        /// This implementation always returns an integer.
+        /// If wanting to get the actual enum-typed value, use <see cref="GetAction"/>.
+        /// </remarks>
         [Ignored]
         public object Action
         {
@@ -53,5 +62,20 @@ namespace osu.Game.Input.Bindings
         private RealmKeyBinding()
         {
         }
+
+        public object GetAction(RulesetStore rulesets)
+        {
+            if (string.IsNullOrEmpty(RulesetName))
+                return (GlobalAction)ActionInt;
+
+            var ruleset = rulesets.GetRuleset(RulesetName);
+            var actionType = ruleset!.CreateInstance()
+                                     .GetDefaultKeyBindings(Variant ?? 0)
+                                     .First() // let's just assume nobody does something stupid like mix multiple types...
+                                     .Action
+                                     .GetType();
+
+            return Enum.ToObject(actionType, ActionInt);
+        }
     }
 }