Add basic structural requirements for cursor ripples

osu.Game.Rulesets.Osu/Configuration/OsuRulesetConfigManager.cs

@@ -22,6 +22,7 @@ namespace osu.Game.Rulesets.Osu.Configuration
             SetDefault(OsuRulesetSetting.SnakingInSliders, true);
             SetDefault(OsuRulesetSetting.SnakingOutSliders, true);
             SetDefault(OsuRulesetSetting.ShowCursorTrail, true);
+            SetDefault(OsuRulesetSetting.ShowCursorRipples, false);
             SetDefault(OsuRulesetSetting.PlayfieldBorderStyle, PlayfieldBorderStyle.None);
         }
     }
@@ -31,6 +32,7 @@ namespace osu.Game.Rulesets.Osu.Configuration
         SnakingInSliders,
         SnakingOutSliders,
         ShowCursorTrail,
+        ShowCursorRipples,
         PlayfieldBorderStyle,
     }
 }

osu.Game.Rulesets.Osu/Skinning/Legacy/OsuLegacySkinTransformer.cs

@@ -100,6 +100,11 @@ namespace osu.Game.Rulesets.Osu.Skinning.Legacy
 
                         return null;
 
+                    case OsuSkinComponents.CursorRipple:
+                        // TODO: resize texture to 0.5?? but that might break skins..
+                        if (GetTexture("cursor-ripple") != null)
+                            return this.GetAnimation("cursor-ripple", false, false);
+
                     case OsuSkinComponents.CursorParticles:
                         if (GetTexture("star2") != null)
                             return new LegacyCursorParticles();

osu.Game.Rulesets.Osu/UI/Cursor/CursorRippleVisualiser.cs

@@ -0,0 +1,21 @@
+// 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 osu.Framework.Allocation;
+using osu.Framework.Bindables;
+using osu.Framework.Graphics.Containers;
+using osu.Game.Rulesets.Osu.Configuration;
+
+namespace osu.Game.Rulesets.Osu.UI.Cursor
+{
+    public partial class CursorRippleVisualiser : CompositeDrawable
+    {
+        private readonly Bindable<bool> showRipples = new Bindable<bool>(true);
+
+        [BackgroundDependencyLoader(true)]
+        private void load(OsuRulesetConfigManager rulesetConfig)
+        {
+            rulesetConfig?.BindWith(OsuRulesetSetting.ShowCursorTrail, showRipples);
+        }
+    }
+}

osu.Game.Rulesets.Osu/UI/Cursor/OsuCursorContainer.cs

@@ -48,6 +48,7 @@ namespace osu.Game.Rulesets.Osu.UI.Cursor
                 Children = new[]
                 {
                     cursorTrail = new SkinnableDrawable(new OsuSkinComponentLookup(OsuSkinComponents.CursorTrail), _ => new DefaultCursorTrail(), confineMode: ConfineMode.NoScaling),
+                    new SkinnableDrawable(new OsuSkinComponentLookup(OsuSkinComponents.CursorRipples), confineMode: ConfineMode.NoScaling),
                     new SkinnableDrawable(new OsuSkinComponentLookup(OsuSkinComponents.CursorParticles), confineMode: ConfineMode.NoScaling),
                 }
             };

osu.Game.Rulesets.Osu/UI/OsuSettingsSubsection.cs

@@ -43,6 +43,11 @@ namespace osu.Game.Rulesets.Osu.UI
                     LabelText = RulesetSettingsStrings.CursorTrail,
                     Current = config.GetBindable<bool>(OsuRulesetSetting.ShowCursorTrail)
                 },
+                new SettingsCheckbox
+                {
+                    LabelText = RulesetSettingsStrings.CursorRipples,
+                    Current = config.GetBindable<bool>(OsuRulesetSetting.ShowCursorRipples)
+                },
                 new SettingsEnumDropdown<PlayfieldBorderStyle>
                 {
                     LabelText = RulesetSettingsStrings.PlayfieldBorderStyle,

osu.Game/Localisation/RulesetSettingsStrings.cs

@@ -29,6 +29,11 @@ namespace osu.Game.Localisation
         /// </summary>
         public static LocalisableString CursorTrail => new TranslatableString(getKey(@"cursor_trail"), @"Cursor trail");
 
+        /// <summary>
+        /// "Cursor ripples"
+        /// </summary>
+        public static LocalisableString CursorRipples => new TranslatableString(getKey(@"cursor_ripples"), @"Cursor ripples");
+
         /// <summary>
         /// "Playfield border style"
         /// </summary>