Re-organize all projects (#4166)

Content.Shared/CharacterAppearance/HairStyles.cs

@@ -0,0 +1,36 @@
+#nullable enable
+using System;
+using System.Collections.Generic;
+using Robust.Shared.Maths;
+
+namespace Content.Shared.CharacterAppearance
+{
+    public static class HairStyles
+    {
+        public const string DefaultHairStyle = "HairBald";
+        public const string DefaultFacialHairStyle = "FacialHairShaved";
+
+        public static readonly IReadOnlyList<Color> RealisticHairColors = new List<Color>
+        {
+            Color.Yellow,
+            Color.Black,
+            Color.SandyBrown,
+            Color.Brown,
+            Color.Wheat,
+            Color.Gray
+        };
+
+        // These comparers put the default hair style (shaved/bald) at the very top.
+        // For in the hair style pickers.
+
+        public static readonly IComparer<SpriteAccessoryPrototype> SpriteAccessoryComparer =
+            Comparer<SpriteAccessoryPrototype>.Create((a, b) =>
+            {
+                var cmp = -a.Priority.CompareTo(b.Priority);
+                if (cmp != 0)
+                    return cmp;
+
+                return string.Compare(a.Name, b.Name, StringComparison.CurrentCulture);
+            });
+    }
+}