Dedicated class to serialize directory assets

Author: arimger

Assets/Editor Toolbox/Scripts/Serialization/SerializedDirectory.cs

@@ -0,0 +1,41 @@
+using System;
+#if UNITY_EDITOR
+using UnityEditor;
+#endif
+
+namespace UnityEngine
+{
+    [Serializable]
+    public class SerializedDirectory : ISerializationCallbackReceiver
+    {
+#if UNITY_EDITOR
+        [SerializeField]
+        private DefaultAsset directoryAsset;
+#endif
+        [SerializeField, Disable]
+        private string path;
+
+        void ISerializationCallbackReceiver.OnAfterDeserialize()
+        { }
+
+        void ISerializationCallbackReceiver.OnBeforeSerialize()
+        {
+#if UNITY_EDITOR
+            path = directoryAsset ? AssetDatabase.GetAssetPath(directoryAsset) : null;
+#endif
+        }
+
+#if UNITY_EDITOR
+        public DefaultAsset DirectoryAsset
+        {
+            get => directoryAsset;
+            set => directoryAsset = value;
+        }
+#endif
+        public string Path
+        {
+            get => path;
+            set => path = value;
+        }
+    }
+}