Update for 6.2 without rework.

Penumbra.PlayerWatch/CharacterFactory.cs

@@ -0,0 +1,63 @@
+using System;
+using System.Reflection;
+using Dalamud.Game.ClientState.Objects.Enums;
+using Dalamud.Game.ClientState.Objects.SubKinds;
+using Dalamud.Game.ClientState.Objects.Types;
+
+namespace Penumbra.PlayerWatch
+{
+    public static class CharacterFactory
+    {
+        private static ConstructorInfo? _characterConstructor;
+
+        private static void Initialize()
+        {
+            _characterConstructor ??= typeof( Character ).GetConstructor( BindingFlags.NonPublic | BindingFlags.Instance, null, new[]
+            {
+                typeof( IntPtr ),
+            }, null )!;
+        }
+
+        private static Character Character( IntPtr address )
+        {
+            Initialize();
+            return ( Character )_characterConstructor?.Invoke( new object[]
+            {
+                address,
+            } )!;
+        }
+
+        public static Character? Convert( GameObject? actor )
+        {
+            if( actor == null )
+            {
+                return null;
+            }
+
+            return actor switch
+            {
+                PlayerCharacter p => p,
+                BattleChara b     => b,
+                _ => actor.ObjectKind switch
+                {
+                    ObjectKind.BattleNpc => Character( actor.Address ),
+                    ObjectKind.Companion => Character( actor.Address ),
+                    ObjectKind.Retainer  => Character( actor.Address ),
+                    ObjectKind.EventNpc  => Character( actor.Address ),
+                    _                    => null,
+                },
+            };
+        }
+    }
+
+    public static class GameObjectExtensions
+    {
+        private const int ModelTypeOffset = 0x01B4;
+
+        public static unsafe int ModelType( this GameObject actor )
+            => *( int* )( actor.Address + ModelTypeOffset );
+
+        public static unsafe void SetModelType( this GameObject actor, int value )
+            => *( int* )( actor.Address + ModelTypeOffset ) = value;
+    }
+}