Fix issue with IPC adding mods before character utility is ready in rare cases.

Penumbra/Api/IpcProviders.cs

@@ -2,6 +2,8 @@ using Dalamud.Plugin;
 using OtterGui.Services;
 using Penumbra.Api.Api;
 using Penumbra.Api.Helpers;
+using Penumbra.Communication;
+using CharacterUtility = Penumbra.Interop.Services.CharacterUtility;
 
 namespace Penumbra.Api;
 
@@ -9,11 +11,13 @@ public sealed class IpcProviders : IDisposable, IApiService
 {
     private readonly List<IDisposable> _providers;
 
-    private readonly EventProvider _disposedProvider;
-    private readonly EventProvider _initializedProvider;
+    private readonly EventProvider    _disposedProvider;
+    private readonly EventProvider    _initializedProvider;
+    private readonly CharacterUtility _characterUtility;
 
-    public IpcProviders(IDalamudPluginInterface pi, IPenumbraApi api)
+    public IpcProviders(IDalamudPluginInterface pi, IPenumbraApi api, CharacterUtility characterUtility)
     {
+        _characterUtility    = characterUtility;
         _disposedProvider    = IpcSubscribers.Disposed.Provider(pi);
         _initializedProvider = IpcSubscribers.Initialized.Provider(pi);
         _providers =
@@ -115,11 +119,21 @@ public sealed class IpcProviders : IDisposable, IApiService
             IpcSubscribers.OpenMainWindow.Provider(pi, api.Ui),
             IpcSubscribers.CloseMainWindow.Provider(pi, api.Ui),
         ];
+        if (_characterUtility.Ready)
+            _initializedProvider.Invoke();
+        else
+            _characterUtility.LoadingFinished.Subscribe(OnCharacterUtilityReady, CharacterUtilityFinished.Priority.IpcProvider);
+    }
+
+    private void OnCharacterUtilityReady()
+    {
         _initializedProvider.Invoke();
+        _characterUtility.LoadingFinished.Unsubscribe(OnCharacterUtilityReady);
     }
 
     public void Dispose()
     {
+        _characterUtility.LoadingFinished.Unsubscribe(OnCharacterUtilityReady);
         foreach (var provider in _providers)
             provider.Dispose();
         _providers.Clear();

Penumbra/Collections/Cache/CollectionCacheManager.cs

@@ -71,7 +71,7 @@ public class CollectionCacheManager : IDisposable, IService
         _communicator.ModDiscoveryFinished.Subscribe(OnModDiscoveryFinished, ModDiscoveryFinished.Priority.CollectionCacheManager);
 
         if (!MetaFileManager.CharacterUtility.Ready)
-            MetaFileManager.CharacterUtility.LoadingFinished += IncrementCounters;
+            MetaFileManager.CharacterUtility.LoadingFinished.Subscribe(IncrementCounters, CharacterUtilityFinished.Priority.CollectionCacheManager);
     }
 
     public void Dispose()
@@ -83,7 +83,7 @@ public class CollectionCacheManager : IDisposable, IService
         _communicator.ModOptionChanged.Unsubscribe(OnModOptionChange);
         _communicator.ModSettingChanged.Unsubscribe(OnModSettingChange);
         _communicator.CollectionInheritanceChanged.Unsubscribe(OnCollectionInheritanceChange);
-        MetaFileManager.CharacterUtility.LoadingFinished -= IncrementCounters;
+        MetaFileManager.CharacterUtility.LoadingFinished.Unsubscribe(IncrementCounters);
 
         foreach (var collection in _storage)
         {
@@ -298,7 +298,7 @@ public class CollectionCacheManager : IDisposable, IService
     {
         foreach (var collection in _storage.Where(c => c.HasCache))
             collection.Counters.IncrementChange();
-        MetaFileManager.CharacterUtility.LoadingFinished -= IncrementCounters;
+        MetaFileManager.CharacterUtility.LoadingFinished.Unsubscribe(IncrementCounters);
     }
 
     private void OnModSettingChange(ModCollection collection, ModSettingChange type, Mod? mod, Setting oldValue, int groupIdx, bool _)

Penumbra/Communication/CharacterUtilityFinished.cs

@@ -0,0 +1,23 @@
+using OtterGui.Classes;
+using Penumbra.Api;
+using Penumbra.Interop.Services;
+
+namespace Penumbra.Communication;
+
+/// <summary>
+/// Triggered when the Character Utility becomes ready.
+/// </summary>
+public sealed class CharacterUtilityFinished() : EventWrapper<CharacterUtilityFinished.Priority>(nameof(CharacterUtilityFinished))
+{
+    public enum Priority
+    {
+        /// <seealso cref="CharacterUtility"/>
+        OnFinishedLoading = int.MaxValue,
+
+        /// <seealso cref="IpcProviders.OnCharacterUtilityReady"/>
+        IpcProvider = int.MinValue,
+
+        /// <seealso cref="Collections.Cache.CollectionCacheManager"/>
+        CollectionCacheManager = 0,
+    }
+}

Penumbra/Interop/Services/CharacterUtility.cs

@@ -1,6 +1,7 @@
 using Dalamud.Plugin.Services;
 using Dalamud.Utility.Signatures;
 using OtterGui.Services;
+using Penumbra.Communication;
 using Penumbra.GameData;
 using Penumbra.Interop.Structs;
 
@@ -26,14 +27,16 @@ public unsafe class CharacterUtility : IDisposable, IRequiredService
     public CharacterUtilityData* Address
         => *_characterUtilityAddress;
 
-    public bool         Ready { get; private set; }
-    public event Action LoadingFinished;
-    public nint         DefaultHumanPbdResource               { get; private set; }
-    public nint         DefaultTransparentResource            { get; private set; }
-    public nint         DefaultDecalResource                  { get; private set; }
-    public nint         DefaultSkinShpkResource               { get; private set; }
-    public nint         DefaultCharacterStockingsShpkResource { get; private set; }
-    public nint         DefaultCharacterLegacyShpkResource    { get; private set; }
+    public bool Ready { get; private set; }
+
+    public readonly CharacterUtilityFinished LoadingFinished = new();
+
+    public nint DefaultHumanPbdResource               { get; private set; }
+    public nint DefaultTransparentResource            { get; private set; }
+    public nint DefaultDecalResource                  { get; private set; }
+    public nint DefaultSkinShpkResource               { get; private set; }
+    public nint DefaultCharacterStockingsShpkResource { get; private set; }
+    public nint DefaultCharacterLegacyShpkResource    { get; private set; }
 
     /// <summary>
     /// The relevant indices depend on which meta manipulations we allow for.
@@ -61,7 +64,7 @@ public unsafe class CharacterUtility : IDisposable, IRequiredService
             .Select(idx => new MetaList(new InternalIndex(idx)))
             .ToArray();
         _framework      =  framework;
-        LoadingFinished += () => Penumbra.Log.Debug("Loading of CharacterUtility finished.");
+        LoadingFinished.Subscribe(() => Penumbra.Log.Debug("Loading of CharacterUtility finished."), CharacterUtilityFinished.Priority.OnFinishedLoading);
         LoadDefaultResources(null!);
         if (!Ready)
             _framework.Update += LoadDefaultResources;

Penumbra/Mods/Editor/ModMetaEditor.cs

@@ -70,6 +70,11 @@ public class ModMetaEditor(
 
     public static bool DeleteDefaultValues(MetaFileManager metaFileManager, MetaDictionary dict)
     {
+        if (!metaFileManager.CharacterUtility.Ready)
+        {
+            Penumbra.Log.Warning("Trying to delete default meta values before CharacterUtility was ready, skipped.");
+            return false;
+        }
         var clone = dict.Clone();
         dict.ClearForDefault();