Updated OutlineScope;

Reorgnize shader code;

Editor/MeterialEditor/Helpers/MaterialHelpers.cs

@@ -0,0 +1,40 @@
+using UnityEngine;
+
+using static Misaki.HdrpToon.UtsShaderPropertyName;
+
+namespace Misaki.HdrpToon.Editor
+{
+    internal static class MaterialHelpers
+    {
+        public static ShadingMode GetShadingMode(this Material material)
+        {
+            if (!material.HasProperty(SurfaceOptions.SHADING_MODE))
+            {
+                return ShadingMode.Standard;
+            }
+
+            return (ShadingMode)material.GetInteger(SurfaceOptions.SHADING_MODE);
+        }
+
+        public static PBRMode GetPBRMode(this Material material)
+        {
+            if (!material.HasProperty(SurfaceOptions.PBR_MODE))
+            {
+                return PBRMode.Off;
+            }
+
+            return (PBRMode)material.GetInteger(SurfaceOptions.PBR_MODE);
+        }
+
+        public static bool HasFeature(this Material material, SurfaceFeature feature)
+        {
+            if (!material.HasProperty(SurfaceOptions.SURFACE_FEATURE))
+            {
+                return false;
+            }
+
+            var value = (SurfaceFeature)material.GetInteger(SurfaceOptions.SURFACE_FEATURE);
+            return (value & feature) != 0;
+        }
+    }
+}