Implement OverlayColourProvider

2025-08-02 22:26:41 +09:00 · 2020-01-24 12:24:35 +03:00
parent 792436890b
commit db4cd51d02
11 changed files with 132 additions and 53 deletions
--- a/osu.Game/Overlays/OverlayColourProvider.cs
+++ b/osu.Game/Overlays/OverlayColourProvider.cs
@ -0,0 +1,90 @@
+// 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 osuTK;
+using osuTK.Graphics;
+
+namespace osu.Game.Overlays
+{
+    public class OverlayColourProvider
+    {
+        private readonly OverlayColourScheme colourScheme;
+
+        public OverlayColourProvider(OverlayColourScheme colourScheme)
+        {
+            this.colourScheme = colourScheme;
+        }
+
+        private Color4 convert(float saturation, float lightness) => Color4.FromHsl(new Vector4(getBaseHue(colourScheme), saturation, lightness, 1));
+
+        // See https://github.com/ppy/osu-web/blob/4218c288292d7c810b619075471eaea8bbb8f9d8/app/helpers.php#L1463
+        private static float getBaseHue(OverlayColourScheme colourScheme)
+        {
+            float hue;
+
+            switch (colourScheme)
+            {
+                default:
+                    throw new ArgumentException($@"{colourScheme} colour scheme does not provide a hue value in {nameof(getBaseHue)}.");
+
+                case OverlayColourScheme.Red:
+                    hue = 0;
+                    break;
+
+                case OverlayColourScheme.Pink:
+                    hue = 333;
+                    break;
+
+                case OverlayColourScheme.Orange:
+                    hue = 46;
+                    break;
+
+                case OverlayColourScheme.Green:
+                    hue = 115;
+                    break;
+
+                case OverlayColourScheme.Purple:
+                    hue = 255;
+                    break;
+
+                case OverlayColourScheme.Blue:
+                    hue = 200;
+                    break;
+            }
+
+            return hue / 360f;
+        }
+
+        public Color4 Highlight1 => convert(1, 0.7f);
+        public Color4 Content1 => convert(0.4f, 1);
+        public Color4 Content2 => convert(0.4f, 0.9f);
+        public Color4 Link1 => convert(0.4f, 0.8f);
+        public Color4 Link2 => convert(0.4f, 0.75f);
+        public Color4 Link3 => convert(0.4f, 0.7f);
+        public Color4 Link4 => convert(0.4f, 0.5f);
+        public Color4 Dark1 => convert(0.2f, 0.35f);
+        public Color4 Dark2 => convert(0.2f, 0.3f);
+        public Color4 Dark3 => convert(0.2f, 0.25f);
+        public Color4 Dark4 => convert(0.2f, 0.20f);
+        public Color4 Dark5 => convert(0.2f, 0.15f);
+        public Color4 Dark6 => convert(0.2f, 0.1f);
+        public Color4 Foreground1 => convert(0.1f, 0.6f);
+        public Color4 Background1 => convert(0.1f, 0.4f);
+        public Color4 Background2 => convert(0.1f, 0.3f);
+        public Color4 Background3 => convert(0.1f, 0.25f);
+        public Color4 Background4 => convert(0.1f, 0.2f);
+        public Color4 Background5 => convert(0.1f, 0.15f);
+        public Color4 Background6 => convert(0.1f, 0.1f);
+    }
+
+    public enum OverlayColourScheme
+    {
+        Red,
+        Pink,
+        Orange,
+        Green,
+        Purple,
+        Blue
+    }
+}