From e95758cfcd630170fb24f860800b9a13f9983661 Mon Sep 17 00:00:00 2001
From: Dean Herbert <pe@ppy.sh>
Date: Thu, 22 Sep 2022 20:39:46 +0900
Subject: [PATCH] Add basic "argon" cursor

---
 .../Skinning/Argon/ArgonCursor.cs             | 80 +++++++++++++++++++
 .../Skinning/Argon/ArgonCursorTrail.cs        | 29 +++++++
 .../Skinning/Argon/OsuArgonSkinTransformer.cs |  6 ++
 3 files changed, 115 insertions(+)
 create mode 100644 osu.Game.Rulesets.Osu/Skinning/Argon/ArgonCursor.cs
 create mode 100644 osu.Game.Rulesets.Osu/Skinning/Argon/ArgonCursorTrail.cs

diff --git a/osu.Game.Rulesets.Osu/Skinning/Argon/ArgonCursor.cs b/osu.Game.Rulesets.Osu/Skinning/Argon/ArgonCursor.cs
new file mode 100644
index 0000000000..446f3c83ae
--- /dev/null
+++ b/osu.Game.Rulesets.Osu/Skinning/Argon/ArgonCursor.cs
@@ -0,0 +1,80 @@
+// 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.Extensions.Color4Extensions;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Colour;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Effects;
+using osu.Framework.Graphics.Shapes;
+using osu.Game.Rulesets.Osu.UI.Cursor;
+using osuTK;
+using osuTK.Graphics;
+
+namespace osu.Game.Rulesets.Osu.Skinning.Argon
+{
+    public class ArgonCursor : OsuCursorSprite
+    {
+        public ArgonCursor()
+        {
+            RelativeSizeAxes = Axes.Both;
+
+            Anchor = Anchor.Centre;
+            Origin = Anchor.Centre;
+
+            InternalChildren = new[]
+            {
+                ExpandTarget = new CircularContainer
+                {
+                    Anchor = Anchor.Centre,
+                    Origin = Anchor.Centre,
+                    RelativeSizeAxes = Axes.Both,
+                    Masking = true,
+                    BorderThickness = 6,
+                    BorderColour = ColourInfo.GradientVertical(Colour4.FromHex("FC618F"), Colour4.FromHex("BB1A41")),
+                    Children = new Drawable[]
+                    {
+                        new Box
+                        {
+                            RelativeSizeAxes = Axes.Both,
+                            Alpha = 0.4f,
+                            Colour = Colour4.FromHex("FC618F").Darken(0.6f),
+                        },
+                        new CircularContainer
+                        {
+                            Origin = Anchor.Centre,
+                            Anchor = Anchor.Centre,
+                            RelativeSizeAxes = Axes.Both,
+                            Masking = true,
+                            BorderThickness = 2,
+                            BorderColour = Color4.White.Opacity(0.8f),
+                            Children = new Drawable[]
+                            {
+                                new Box
+                                {
+                                    RelativeSizeAxes = Axes.Both,
+                                    Alpha = 0,
+                                    AlwaysPresent = true,
+                                },
+                            },
+                        },
+                    },
+                },
+                new Circle
+                {
+                    Origin = Anchor.Centre,
+                    Anchor = Anchor.Centre,
+                    RelativeSizeAxes = Axes.Both,
+                    Scale = new Vector2(0.2f),
+                    Colour = new Color4(255, 255, 255, 255),
+                    EdgeEffect = new EdgeEffectParameters
+                    {
+                        Type = EdgeEffectType.Glow,
+                        Radius = 20,
+                        Colour = new Color4(171, 255, 255, 100),
+                    },
+                },
+            };
+        }
+    }
+}
diff --git a/osu.Game.Rulesets.Osu/Skinning/Argon/ArgonCursorTrail.cs b/osu.Game.Rulesets.Osu/Skinning/Argon/ArgonCursorTrail.cs
new file mode 100644
index 0000000000..9bb3122a3b
--- /dev/null
+++ b/osu.Game.Rulesets.Osu/Skinning/Argon/ArgonCursorTrail.cs
@@ -0,0 +1,29 @@
+// 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.Graphics;
+using osu.Framework.Graphics.Textures;
+using osu.Game.Rulesets.Osu.UI.Cursor;
+using osuTK;
+
+namespace osu.Game.Rulesets.Osu.Skinning.Argon
+{
+    public class ArgonCursorTrail : CursorTrail
+    {
+        protected override float IntervalMultiplier => 0.4f;
+
+        protected override float FadeExponent => 4;
+
+        [BackgroundDependencyLoader]
+        private void load(TextureStore textures)
+        {
+            Texture = textures.Get(@"Cursor/cursortrail");
+            Scale = new Vector2(0.8f / Texture.ScaleAdjust);
+
+            Blending = BlendingParameters.Additive;
+
+            Alpha = 0.8f;
+        }
+    }
+}
diff --git a/osu.Game.Rulesets.Osu/Skinning/Argon/OsuArgonSkinTransformer.cs b/osu.Game.Rulesets.Osu/Skinning/Argon/OsuArgonSkinTransformer.cs
index 9ce4323c35..ead49a8af2 100644
--- a/osu.Game.Rulesets.Osu/Skinning/Argon/OsuArgonSkinTransformer.cs
+++ b/osu.Game.Rulesets.Osu/Skinning/Argon/OsuArgonSkinTransformer.cs
@@ -47,6 +47,12 @@ namespace osu.Game.Rulesets.Osu.Skinning.Argon
 
                         case OsuSkinComponents.FollowPoint:
                             return new ArgonFollowPoint();
+
+                        case OsuSkinComponents.Cursor:
+                            return new ArgonCursor();
+
+                        case OsuSkinComponents.CursorTrail:
+                            return new ArgonCursorTrail();
                     }
 
                     break;