Split out click and hover sound layers

osu.Game/Graphics/UserInterface/HoverClickSounds.cs

@@ -1,13 +1,10 @@
 // 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.ComponentModel;
 using osu.Framework.Allocation;
 using osu.Framework.Audio;
 using osu.Framework.Audio.Sample;
 using osu.Framework.Extensions;
-using osu.Framework.Graphics;
-using osu.Framework.Graphics.Containers;
 using osu.Framework.Input;
 
 namespace osu.Game.Graphics.UserInterface
@@ -16,18 +13,12 @@ namespace osu.Game.Graphics.UserInterface
     /// Adds hover and click sounds to a drawable.
     /// Does not draw anything.
     /// </summary>
-    public class HoverClickSounds : CompositeDrawable
+    public class HoverClickSounds : HoverSounds
     {
         private SampleChannel sampleClick;
-        private SampleChannel sampleHover;
 
-        protected readonly HoverSampleSet SampleSet;
+        public HoverClickSounds(HoverSampleSet sampleSet = HoverSampleSet.Normal) : base(sampleSet)
-
-        public HoverClickSounds(HoverSampleSet sampleSet = HoverSampleSet.Normal)
         {
-            SampleSet = sampleSet;
-            RelativeSizeAxes = Axes.Both;
-            AlwaysPresent = true;
         }
 
         protected override bool OnClick(InputState state)
@@ -36,27 +27,10 @@ namespace osu.Game.Graphics.UserInterface
             return base.OnClick(state);
         }
 
-        protected override bool OnHover(InputState state)
-        {
-            sampleHover?.Play();
-            return base.OnHover(state);
-        }
-
         [BackgroundDependencyLoader]
         private void load(AudioManager audio)
         {
             sampleClick = audio.Sample.Get($@"UI/generic-select{SampleSet.GetDescription()}");
-            sampleHover = audio.Sample.Get($@"UI/generic-hover{SampleSet.GetDescription()}");
         }
     }
-
-    public enum HoverSampleSet
-    {
-        [Description("")]
-        Loud,
-        [Description("-soft")]
-        Normal,
-        [Description("-softer")]
-        Soft
-    }
 }

osu.Game/Graphics/UserInterface/HoverSounds.cs

@@ -0,0 +1,54 @@
+// 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.ComponentModel;
+using osu.Framework.Allocation;
+using osu.Framework.Audio;
+using osu.Framework.Audio.Sample;
+using osu.Framework.Extensions;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Input;
+
+namespace osu.Game.Graphics.UserInterface
+{
+    /// <summary>
+    /// Adds hover sounds to a drawable.
+    /// Does not draw anything.
+    /// </summary>
+    public class HoverSounds : CompositeDrawable
+    {
+        private SampleChannel sampleHover;
+
+        protected readonly HoverSampleSet SampleSet;
+
+        public HoverSounds(HoverSampleSet sampleSet = HoverSampleSet.Normal)
+        {
+            SampleSet = sampleSet;
+            RelativeSizeAxes = Axes.Both;
+            AlwaysPresent = true;
+        }
+
+        protected override bool OnHover(InputState state)
+        {
+            sampleHover?.Play();
+            return base.OnHover(state);
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(AudioManager audio)
+        {
+            sampleHover = audio.Sample.Get($@"UI/generic-hover{SampleSet.GetDescription()}");
+        }
+    }
+
+    public enum HoverSampleSet
+    {
+        [Description("")]
+        Loud,
+        [Description("-soft")]
+        Normal,
+        [Description("-softer")]
+        Soft
+    }
+}

osu.Game/osu.Game.csproj

@@ -272,6 +272,7 @@
     <Compile Include="Database\DatabaseContextFactory.cs" />
     <Compile Include="Database\IHasPrimaryKey.cs" />
     <Compile Include="Graphics\UserInterface\HoverClickSounds.cs" />
+    <Compile Include="Graphics\UserInterface\HoverSounds.cs" />
     <Compile Include="Graphics\UserInterface\OsuButton.cs" />
     <Compile Include="Migrations\20171019041408_InitialCreate.cs" />
     <Compile Include="Migrations\20171019041408_InitialCreate.Designer.cs">