Rework ResolveData.

Penumbra/Collections/ResolveData.cs

@@ -0,0 +1,46 @@
+using System;
+using FFXIVClientStructs.FFXIV.Client.Game.Object;
+
+namespace Penumbra.Collections;
+
+public readonly struct ResolveData
+{
+    public static readonly ResolveData Invalid = new(ModCollection.Empty);
+
+    public readonly ModCollection ModCollection;
+    public readonly IntPtr        AssociatedGameObject;
+
+    public bool Valid
+        => ModCollection != ModCollection.Empty;
+
+    public ResolveData()
+    {
+        ModCollection        = ModCollection.Empty;
+        AssociatedGameObject = IntPtr.Zero;
+    }
+
+    public ResolveData( ModCollection collection, IntPtr gameObject )
+    {
+        ModCollection        = collection;
+        AssociatedGameObject = gameObject;
+    }
+
+    public ResolveData( ModCollection collection )
+        : this( collection, IntPtr.Zero )
+    { }
+
+    public override string ToString()
+        => ModCollection.Name;
+}
+
+public static class ResolveDataExtensions
+{
+    public static ResolveData ToResolveData( this ModCollection collection )
+        => new(collection);
+
+    public static ResolveData ToResolveData( this ModCollection collection, IntPtr ptr )
+        => new(collection, ptr);
+
+    public static unsafe ResolveData ToResolveData( this ModCollection collection, void* ptr )
+        => new(collection, ( IntPtr )ptr);
+}