Initial commit: AetherBags + KamiToolKit for FC Gitea

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

KamiToolKit/Controllers/AddonEventController.cs

@@ -0,0 +1,40 @@
+using System;
+using FFXIVClientStructs.FFXIV.Client.UI;
+
+namespace KamiToolKit.Controllers;
+
+public abstract unsafe class AddonEventController<T> where T : unmanaged {
+
+    protected AddonEventController() {
+        if (typeof(T) == typeof(AddonNamePlate)) {
+            throw new NotSupportedException("Attaching to NamePlate is not supported. Use OverlayController.");
+        }
+    }
+    
+    public delegate void AddonControllerEvent(T* addon);
+    
+    public event AddonControllerEvent? OnAttach {
+        add => OnInnerAttach += value;
+        remove => throw new Exception("Do not remove events, on dispose addon state will be managed properly.");
+    }
+
+    public event AddonControllerEvent? OnDetach {
+        add => OnInnerDetach += value;
+        remove => throw new Exception("Do not remove events, on dispose addon state will be managed properly.");
+    }
+
+    public event AddonControllerEvent? OnRefresh {
+        add => OnInnerRefresh += value;
+        remove => throw new Exception("Do not remove events, on dispose addon state will be managed properly.");
+    }
+
+    public event AddonControllerEvent? OnUpdate {
+        add => OnInnerUpdate += value;
+        remove => throw new Exception("Do not remove events, on dispose addon state will be managed properly.");
+    }
+
+    protected AddonControllerEvent? OnInnerAttach;
+    protected AddonControllerEvent? OnInnerDetach;
+    protected AddonControllerEvent? OnInnerRefresh;
+    protected AddonControllerEvent? OnInnerUpdate;
+}