Add Crest flags.

Glamourer.GameData/Structs/CrestFlag.cs

@@ -0,0 +1,50 @@
+using System;
+using System.Diagnostics.CodeAnalysis;
+using FFXIVClientStructs.FFXIV.Client.Game.InstanceContent;
+using Penumbra.GameData.Enums;
+
+namespace Glamourer.Structs;
+
+[Flags]
+public enum CrestFlag : ushort
+{
+    Head     = 0x0001,
+    Body     = 0x0002,
+    Hands    = 0x0004,
+    Legs     = 0x0008,
+    Feet     = 0x0010,
+    Ears     = 0x0020,
+    Neck     = 0x0040,
+    Wrist    = 0x0080,
+    RFinger  = 0x0100,
+    LFinger  = 0x0200,
+    Mainhand = 0x0400,
+    Offhand  = 0x0800,
+}
+
+public static class CrestExtensions
+{
+    public const CrestFlag All         = (CrestFlag)(((ulong)EquipFlag.Offhand << 1) - 1);
+    public const CrestFlag AllRelevant = CrestFlag.Body;
+
+    public static CrestFlag ToCrestFlag(this EquipSlot slot)
+        => slot switch
+        {
+            EquipSlot.MainHand => CrestFlag.Mainhand,
+            EquipSlot.OffHand  => CrestFlag.Offhand,
+            EquipSlot.Head     => CrestFlag.Head,
+            EquipSlot.Body     => CrestFlag.Body,
+            EquipSlot.Hands    => CrestFlag.Hands,
+            EquipSlot.Legs     => CrestFlag.Legs,
+            EquipSlot.Feet     => CrestFlag.Feet,
+            EquipSlot.Ears     => CrestFlag.Ears,
+            EquipSlot.Neck     => CrestFlag.Neck,
+            EquipSlot.Wrists   => CrestFlag.Wrist,
+            EquipSlot.RFinger  => CrestFlag.RFinger,
+            EquipSlot.LFinger  => CrestFlag.LFinger,
+            _                  => 0,
+        };
+
+    public static bool Valid(this CrestFlag crest)
+        => AllRelevant.HasFlag(crest);
+}