Changed the outline layer and hair shadow caster layer from LayerMask to RenderingLayerMask;

Editor/Inspector/Helper/ConverterInitializer.cs

@@ -0,0 +1,37 @@
+using System;
+using UnityEditor;
+using UnityEngine;
+using UnityEngine.UIElements;
+
+namespace Unity.Toonshader.Editor
+{
+    public class ConverterInitializer
+    {
+        [InitializeOnLoadMethod]
+        public static void Initialize()
+        {
+            ConverterHelper.RegisterTwoSideConverter<Vector3, Quaternion>(
+                nameof(QuaternionToVector3Converter),
+                QuaternionToVector3Converter.ConvertTo,
+                QuaternionToVector3Converter.ConvertBack);
+        }
+    }
+
+    public static class ConverterHelper
+    {
+        public static void RegisterTwoSideConverter<TSource, TResult>(string groupName, Func<TSource, TResult> convertTo, Func<TResult, TSource> convertBack)
+        {
+            var converterGroup = new ConverterGroup(groupName);
+            converterGroup.AddConverter((ref TSource v) => convertTo(v));
+            converterGroup.AddConverter((ref TResult v) => convertBack(v));
+            ConverterGroups.RegisterConverterGroup(converterGroup);
+        }
+
+        public static void RegisterOneSideConverter<T1, T2>(string groupName, Func<T1, T2> convertTo)
+        {
+            var converterGroup = new ConverterGroup(groupName);
+            converterGroup.AddConverter((ref T1 v) => convertTo(v));
+            ConverterGroups.RegisterConverterGroup(converterGroup);
+        }
+    }
+}