Initial commit: AetherBags + KamiToolKit for FC Gitea

Co-authored-by: Cursor <cursoragent@cursor.com>

KamiToolKit/Extensions/AtkUnitBaseExtensions.cs

@@ -0,0 +1,42 @@
+using System;
+using System.Linq;
+using System.Numerics;
+using System.Reflection;
+using FFXIVClientStructs.Attributes;
+using FFXIVClientStructs.FFXIV.Component.GUI;
+
+namespace KamiToolKit.Extensions;
+
+public static unsafe class AtkUnitBaseExtensions {
+
+    public static string GetAddonTypeName<T>() where T : unmanaged {
+        var type = typeof(T);
+        var attribute = type.GetCustomAttributes().OfType<AddonAttribute>().FirstOrDefault();
+
+        if (attribute is null) throw new Exception("Unable to find AddonAttribute to resolve addon name.");
+        var addonName = attribute.AddonIdentifiers.FirstOrDefault();
+
+        if (addonName is null) throw new Exception("Addon attribute names are empty.");
+        return addonName;
+    }
+
+    extension(ref AtkUnitBase addon) {
+        public Vector2 Size => addon.GetSize();
+        public Vector2 RootSize => addon.GetRootSize();
+        public Vector2 Position => new(addon.X, addon.Y);
+
+        private Vector2 GetSize() {
+            var width = stackalloc short[1];
+            var height = stackalloc short[1];
+
+            addon.GetSize(width, height, false);
+            return new Vector2(*width, *height);
+        }
+
+        private Vector2 GetRootSize() {
+            if (addon.RootNode is null) return Vector2.Zero;
+        
+            return new Vector2(addon.RootNode->Width, addon.RootNode->Height);
+        }
+    }
+}