implemented way to fix library if broken

Author: GieziJo

Editor/SOVFixer.cs

@@ -0,0 +1,60 @@
+using System.Collections.Generic;
+using System.Linq;
+using UnityEditor;
+using UnityEngine;
+
+namespace Giezi.Tools
+{
+    public class SOVFixer
+    {
+        [MenuItem("Tools/GieziTools/SOVariant/Fix SOVs")]
+        public static void FixSOVs()
+        {
+            IEnumerable<ScriptableObject> scriptableObjects =
+                AssetDatabase.GetAllAssetPaths()
+                    .Where(s => s.EndsWith(".asset") && s.StartsWith("Assets/"))
+                    .Select(AssetDatabase.LoadAssetAtPath<ScriptableObject>)
+                    .Where(o => o != null)
+                    .Where(o => o.GetType().IsDefined(typeof(SOVariantAttribute), true));
+
+            var _library = SOVariantDataAccessor.SoVariantDataLibrary;
+            Dictionary<ScriptableObject, SOVariantData> _localLibrary = new();
+            foreach (ScriptableObject scriptableObject in scriptableObjects)
+            {
+                _localLibrary.Add(scriptableObject, _library.GetSOVariantDataForTarget(scriptableObject));
+            }
+
+            foreach (SOVariantData soVariantData in _localLibrary.Values)
+            {
+                soVariantData.Children = new List<ScriptableObject>();
+            }
+
+            foreach (KeyValuePair<ScriptableObject,SOVariantData> keyValuePair in _localLibrary)
+            {
+                if (keyValuePair.Value.Parent != null)
+                {
+                    _localLibrary[keyValuePair.Value.Parent].Children.Add(keyValuePair.Key);
+                }
+            }
+
+            foreach (KeyValuePair<ScriptableObject,SOVariantData> keyValuePair in _localLibrary)
+            {
+                _library.WriteToLibrary(keyValuePair.Key, keyValuePair.Value.Parent,
+                    keyValuePair.Value.Overridden, keyValuePair.Value.Children);
+            }
+
+            foreach (KeyValuePair<ScriptableObject,SOVariantData> keyValuePair in _localLibrary)
+            {
+                if (keyValuePair.Value.Children is { Count: > 0 })
+                {
+                    SOVariant<ScriptableObject> sov = new SOVariant<ScriptableObject>(keyValuePair.Key);
+                    sov.SaveData(keyValuePair.Value.Overridden);
+                }
+            }
+            
+            EditorUtility.SetDirty(_library);
+            AssetDatabase.SaveAssets();
+            AssetDatabase.Refresh();
+        }
+    }
+}

Editor/SOVFixer.cs.meta

@@ -28,6 +28,7 @@ public class SOVariantAttributeProcessor<T> : OdinPropertyProcessor<T>, IDisposa
         public void Dispose()
         {
             this.Property.ValueEntry.OnChildValueChanged -= OnChildValueChange;
+            AssetDatabase.SaveAssets();
         }
 
         private SOVariant<T> _soVariant = null;