Add the option to omit mch offhands from changed items.

Penumbra/Collections/Cache/CollectionCache.cs

@@ -6,6 +6,7 @@ using Penumbra.Communication;
 using Penumbra.Mods.Editor;
 using Penumbra.String.Classes;
 using Penumbra.Mods.Manager;
+using Penumbra.Util;
 
 namespace Penumbra.Collections.Cache;
 
@@ -439,9 +440,12 @@ public sealed class CollectionCache : IDisposable
 
             foreach (var (manip, mod) in Meta)
             {
-                ModCacheManager.ComputeChangedItems(identifier, items, manip);
+                identifier.MetaChangedItems(items, manip);
                 AddItems(mod);
             }
+
+            if (_manager.Config.HideMachinistOffhandFromChangedItems)
+                _changedItems.RemoveMachinistOffhands();
         }
         catch (Exception e)
         {

Penumbra/Collections/Cache/CollectionCacheManager.cs

@@ -25,6 +25,7 @@ public class CollectionCacheManager : IDisposable
     private readonly  ModStorage          _modStorage;
     private readonly  CollectionStorage   _storage;
     private readonly  ActiveCollections   _active;
+    internal readonly Configuration       Config;
     internal readonly ResolvedFileChanged ResolvedFileChanged;
     internal readonly MetaFileManager     MetaFileManager;
     internal readonly ResourceLoader      ResourceLoader;
@@ -40,7 +41,8 @@ public class CollectionCacheManager : IDisposable
         => _storage.Where(c => c.HasCache);
 
     public CollectionCacheManager(FrameworkManager framework, CommunicatorService communicator, TempModManager tempMods, ModStorage modStorage,
-        MetaFileManager metaFileManager, ActiveCollections active, CollectionStorage storage, ResourceLoader resourceLoader)
+        MetaFileManager metaFileManager, ActiveCollections active, CollectionStorage storage, ResourceLoader resourceLoader,
+        Configuration config)
     {
         _framework          = framework;
         _communicator       = communicator;
@@ -50,6 +52,7 @@ public class CollectionCacheManager : IDisposable
         _active             = active;
         _storage            = storage;
         ResourceLoader      = resourceLoader;
+        Config              = config;
         ResolvedFileChanged = _communicator.ResolvedFileChanged;
 
         if (!_active.Individuals.IsLoaded)
@@ -260,7 +263,8 @@ public class CollectionCacheManager : IDisposable
     }
 
     /// <summary> Prepare Changes by removing mods from caches with collections or add or reload mods. </summary>
-    private void OnModOptionChange(ModOptionChangeType type, Mod mod, IModGroup? group, IModOption? option, IModDataContainer? container, int movedToIdx)
+    private void OnModOptionChange(ModOptionChangeType type, Mod mod, IModGroup? group, IModOption? option, IModDataContainer? container,
+        int movedToIdx)
     {
         if (type is ModOptionChangeType.PrepareChange)
         {

Penumbra/Configuration.cs

@@ -41,18 +41,19 @@ public class Configuration : IPluginConfiguration, ISavable
     public bool  HideUiWhenUiHidden             { get; set; } = false;
     public bool  UseDalamudUiTextureRedirection { get; set; } = true;
 
-    public bool        UseCharacterCollectionInMainWindow { get; set; } = true;
+    public bool        UseCharacterCollectionInMainWindow   { get; set; } = true;
-    public bool        UseCharacterCollectionsInCards     { get; set; } = true;
+    public bool        UseCharacterCollectionsInCards       { get; set; } = true;
-    public bool        UseCharacterCollectionInInspect    { get; set; } = true;
+    public bool        UseCharacterCollectionInInspect      { get; set; } = true;
-    public bool        UseCharacterCollectionInTryOn      { get; set; } = true;
+    public bool        UseCharacterCollectionInTryOn        { get; set; } = true;
-    public bool        UseOwnerNameForCharacterCollection { get; set; } = true;
+    public bool        UseOwnerNameForCharacterCollection   { get; set; } = true;
-    public bool        UseNoModsInInspect                 { get; set; } = false;
+    public bool        UseNoModsInInspect                   { get; set; } = false;
-    public bool        HideChangedItemFilters             { get; set; } = false;
+    public bool        HideChangedItemFilters               { get; set; } = false;
-    public bool        ReplaceNonAsciiOnImport            { get; set; } = false;
+    public bool        ReplaceNonAsciiOnImport              { get; set; } = false;
-    public bool        HidePrioritiesInSelector           { get; set; } = false;
+    public bool        HidePrioritiesInSelector             { get; set; } = false;
-    public bool        HideRedrawBar                      { get; set; } = false;
+    public bool        HideRedrawBar                        { get; set; } = false;
-    public RenameField ShowRename                         { get; set; } = RenameField.BothDataPrio;
+    public bool        HideMachinistOffhandFromChangedItems { get; set; } = true;
-    public int         OptionGroupCollapsibleMin          { get; set; } = 5;
+    public RenameField ShowRename                           { get; set; } = RenameField.BothDataPrio;
+    public int         OptionGroupCollapsibleMin            { get; set; } = 5;
 
     public Vector2 MinimumSize = new(Constants.MinimumSizeX, Constants.MinimumSizeY);
 

Penumbra/Mods/Groups/IModGroup.cs

@@ -1,5 +1,6 @@
 using Newtonsoft.Json;
 using Penumbra.Api.Enums;
+using Penumbra.GameData.Data;
 using Penumbra.Meta.Manipulations;
 using Penumbra.Mods.Settings;
 using Penumbra.Mods.SubMods;
@@ -40,6 +41,7 @@ public interface IModGroup
     public int GetIndex();
 
     public void AddData(Setting setting, Dictionary<Utf8GamePath, FullPath> redirections, HashSet<MetaManipulation> manipulations);
+    public void AddChangedItems(ObjectIdentification identifier, IDictionary<string, object?> changedItems);
 
     /// <summary> Ensure that a value is valid for a group. </summary>
     public Setting FixSetting(Setting setting);

Penumbra/Mods/Groups/ImcModGroup.cs

@@ -3,12 +3,14 @@ using Newtonsoft.Json;
 using Newtonsoft.Json.Linq;
 using OtterGui.Classes;
 using Penumbra.Api.Enums;
+using Penumbra.GameData.Data;
 using Penumbra.GameData.Enums;
 using Penumbra.GameData.Structs;
 using Penumbra.Meta.Manipulations;
 using Penumbra.Mods.Settings;
 using Penumbra.Mods.SubMods;
 using Penumbra.String.Classes;
+using Penumbra.Util;
 
 namespace Penumbra.Mods.Groups;
 
@@ -119,6 +121,9 @@ public class ImcModGroup(Mod mod) : IModGroup
         manipulations.Add(imc);
     }
 
+    public void AddChangedItems(ObjectIdentification identifier, IDictionary<string, object?> changedItems)
+        => identifier.MetaChangedItems(changedItems, GetManip(0));
+
     public Setting FixSetting(Setting setting)
         => new(setting.Value & (((1ul << OptionData.Count) - 1) | (CanBeDisabled ? 1ul << DisabledIndex : 0)));
 

Penumbra/Mods/Groups/MultiModGroup.cs

@@ -4,10 +4,12 @@ using Newtonsoft.Json.Linq;
 using OtterGui;
 using OtterGui.Classes;
 using Penumbra.Api.Enums;
+using Penumbra.GameData.Data;
 using Penumbra.Meta.Manipulations;
 using Penumbra.Mods.Settings;
 using Penumbra.Mods.SubMods;
 using Penumbra.String.Classes;
+using Penumbra.Util;
 
 namespace Penumbra.Mods.Groups;
 
@@ -114,6 +116,12 @@ public sealed class MultiModGroup(Mod mod) : IModGroup, ITexToolsGroup
         }
     }
 
+    public void AddChangedItems(ObjectIdentification identifier, IDictionary<string, object?> changedItems)
+    {
+        foreach (var container in DataContainers)
+            identifier.AddChangedItems(container, changedItems);
+    }
+
     public void WriteJson(JsonTextWriter jWriter, JsonSerializer serializer, DirectoryInfo? basePath = null)
     {
         ModSaveGroup.WriteJsonBase(jWriter, this);

Penumbra/Mods/Groups/SingleModGroup.cs

@@ -2,10 +2,12 @@ using Newtonsoft.Json;
 using Newtonsoft.Json.Linq;
 using OtterGui;
 using Penumbra.Api.Enums;
+using Penumbra.GameData.Data;
 using Penumbra.Meta.Manipulations;
 using Penumbra.Mods.Settings;
 using Penumbra.Mods.SubMods;
 using Penumbra.String.Classes;
+using Penumbra.Util;
 
 namespace Penumbra.Mods.Groups;
 
@@ -99,6 +101,12 @@ public sealed class SingleModGroup(Mod mod) : IModGroup, ITexToolsGroup
         OptionData[setting.AsIndex].AddDataTo(redirections, manipulations);
     }
 
+    public void AddChangedItems(ObjectIdentification identifier, IDictionary<string, object?> changedItems)
+    {
+        foreach (var container in DataContainers)
+            identifier.AddChangedItems(container, changedItems);
+    }
+
     public Setting FixSetting(Setting setting)
         => OptionData.Count == 0 ? Setting.Zero : new Setting(Math.Min(setting.Value, (ulong)(OptionData.Count - 1)));
 

Penumbra/Mods/Manager/ModCacheManager.cs

@@ -1,26 +1,27 @@
 using Penumbra.Communication;
 using Penumbra.GameData.Data;
-using Penumbra.GameData.Enums;
-using Penumbra.Meta.Manipulations;
 using Penumbra.Mods.Groups;
 using Penumbra.Mods.Manager.OptionEditor;
 using Penumbra.Mods.SubMods;
 using Penumbra.Services;
+using Penumbra.Util;
 
 namespace Penumbra.Mods.Manager;
 
 public class ModCacheManager : IDisposable
 {
+    private readonly Configuration        _config;
     private readonly CommunicatorService  _communicator;
     private readonly ObjectIdentification _identifier;
     private readonly ModStorage           _modManager;
     private          bool                 _updatingItems = false;
 
-    public ModCacheManager(CommunicatorService communicator, ObjectIdentification identifier, ModStorage modStorage)
+    public ModCacheManager(CommunicatorService communicator, ObjectIdentification identifier, ModStorage modStorage, Configuration config)
     {
         _communicator = communicator;
         _identifier   = identifier;
         _modManager   = modStorage;
+        _config       = config;
 
         _communicator.ModOptionChanged.Subscribe(OnModOptionChange, ModOptionChanged.Priority.ModCacheManager);
         _communicator.ModPathChanged.Subscribe(OnModPathChange, ModPathChanged.Priority.ModCacheManager);
@@ -38,75 +39,8 @@ public class ModCacheManager : IDisposable
         _communicator.ModDiscoveryFinished.Unsubscribe(OnModDiscoveryFinished);
     }
 
-    /// <summary> Compute the items changed by a given meta manipulation and put them into the changedItems dictionary. </summary>
+    private void OnModOptionChange(ModOptionChangeType type, Mod mod, IModGroup? group, IModOption? option, IModDataContainer? container,
-    public static void ComputeChangedItems(ObjectIdentification identifier, IDictionary<string, object?> changedItems, MetaManipulation manip)
+        int fromIdx)
-    {
-        switch (manip.ManipulationType)
-        {
-            case MetaManipulation.Type.Imc:
-                switch (manip.Imc.ObjectType)
-                {
-                    case ObjectType.Equipment:
-                    case ObjectType.Accessory:
-                        identifier.Identify(changedItems,
-                            GamePaths.Equipment.Mtrl.Path(manip.Imc.PrimaryId, GenderRace.MidlanderMale, manip.Imc.EquipSlot, manip.Imc.Variant,
-                                "a"));
-                        break;
-                    case ObjectType.Weapon:
-                        identifier.Identify(changedItems,
-                            GamePaths.Weapon.Mtrl.Path(manip.Imc.PrimaryId, manip.Imc.SecondaryId, manip.Imc.Variant, "a"));
-                        break;
-                    case ObjectType.DemiHuman:
-                        identifier.Identify(changedItems,
-                            GamePaths.DemiHuman.Mtrl.Path(manip.Imc.PrimaryId, manip.Imc.SecondaryId, manip.Imc.EquipSlot, manip.Imc.Variant,
-                                "a"));
-                        break;
-                    case ObjectType.Monster:
-                        identifier.Identify(changedItems,
-                            GamePaths.Monster.Mtrl.Path(manip.Imc.PrimaryId, manip.Imc.SecondaryId, manip.Imc.Variant, "a"));
-                        break;
-                }
-
-                break;
-            case MetaManipulation.Type.Eqdp:
-                identifier.Identify(changedItems,
-                    GamePaths.Equipment.Mdl.Path(manip.Eqdp.SetId, Names.CombinedRace(manip.Eqdp.Gender, manip.Eqdp.Race), manip.Eqdp.Slot));
-                break;
-            case MetaManipulation.Type.Eqp:
-                identifier.Identify(changedItems, GamePaths.Equipment.Mdl.Path(manip.Eqp.SetId, GenderRace.MidlanderMale, manip.Eqp.Slot));
-                break;
-            case MetaManipulation.Type.Est:
-                switch (manip.Est.Slot)
-                {
-                    case EstManipulation.EstType.Hair:
-                        changedItems.TryAdd($"Customization: {manip.Est.Race} {manip.Est.Gender} Hair (Hair) {manip.Est.SetId}", null);
-                        break;
-                    case EstManipulation.EstType.Face:
-                        changedItems.TryAdd($"Customization: {manip.Est.Race} {manip.Est.Gender} Face (Face) {manip.Est.SetId}", null);
-                        break;
-                    case EstManipulation.EstType.Body:
-                        identifier.Identify(changedItems,
-                            GamePaths.Equipment.Mdl.Path(manip.Est.SetId, Names.CombinedRace(manip.Est.Gender, manip.Est.Race),
-                                EquipSlot.Body));
-                        break;
-                    case EstManipulation.EstType.Head:
-                        identifier.Identify(changedItems,
-                            GamePaths.Equipment.Mdl.Path(manip.Est.SetId, Names.CombinedRace(manip.Est.Gender, manip.Est.Race),
-                                EquipSlot.Head));
-                        break;
-                }
-
-                break;
-            case MetaManipulation.Type.Gmp:
-                identifier.Identify(changedItems, GamePaths.Equipment.Mdl.Path(manip.Gmp.SetId, GenderRace.MidlanderMale, EquipSlot.Head));
-                break;
-            case MetaManipulation.Type.Rsp:
-                changedItems.TryAdd($"{manip.Rsp.SubRace.ToName()} {manip.Rsp.Attribute.ToFullString()}", null);
-                break;
-        }
-    }
-
-    private void OnModOptionChange(ModOptionChangeType type, Mod mod, IModGroup? group, IModOption? option, IModDataContainer? container, int fromIdx)
     {
         switch (type)
         {
@@ -194,16 +128,14 @@ public class ModCacheManager : IDisposable
 
     private void UpdateChangedItems(Mod mod)
     {
-        var changedItems = (SortedList<string, object?>)mod.ChangedItems;
+        mod.ChangedItems.Clear();
-        changedItems.Clear();
-        foreach (var gamePath in mod.AllDataContainers.SelectMany(m => m.Files.Keys.Concat(m.FileSwaps.Keys)))
-            _identifier.Identify(changedItems, gamePath.ToString());
 
-        foreach (var manip in mod.AllDataContainers.SelectMany(m => m.Manipulations))
+        _identifier.AddChangedItems(mod.Default, mod.ChangedItems);
-            ComputeChangedItems(_identifier, changedItems, manip);
+        foreach (var group in mod.Groups)
+            group.AddChangedItems(_identifier, mod.ChangedItems);
 
-        foreach(var imcGroup in mod.Groups.OfType<ImcModGroup>())
+        if (_config.HideMachinistOffhandFromChangedItems)
-            ComputeChangedItems(_identifier, changedItems, imcGroup.GetManip(0));
+            mod.ChangedItems.RemoveMachinistOffhands();
 
         mod.LowerChangedItemsString = string.Join("\0", mod.ChangedItems.Keys.Select(k => k.ToLowerInvariant()));
     }

Penumbra/Mods/Manager/ModImportManager.cs

@@ -5,12 +5,8 @@ using Penumbra.Mods.Editor;
 
 namespace Penumbra.Mods.Manager;
 
-public class ModImportManager : IDisposable
+public class ModImportManager(ModManager modManager, Configuration config, ModEditor modEditor) : IDisposable
 {
-    private readonly ModManager    _modManager;
-    private readonly Configuration _config;
-    private readonly ModEditor     _modEditor;
-
     private readonly ConcurrentQueue<string[]> _modsToUnpack = new();
 
     /// <summary> Mods need to be added thread-safely outside of iteration. </summary>
@@ -26,13 +22,6 @@ public class ModImportManager : IDisposable
         => _modsToAdd;
 
 
-    public ModImportManager(ModManager modManager, Configuration config, ModEditor modEditor)
-    {
-        _modManager = modManager;
-        _config     = config;
-        _modEditor  = modEditor;
-    }
-
     public void TryUnpacking()
     {
         if (Importing || !_modsToUnpack.TryDequeue(out var newMods))
@@ -51,7 +40,7 @@ public class ModImportManager : IDisposable
         if (files.Length == 0)
             return;
 
-        _import = new TexToolsImporter(files.Length, files, AddNewMod, _config, _modEditor, _modManager, _modEditor.Compactor);
+        _import = new TexToolsImporter(files.Length, files, AddNewMod, config, modEditor, modManager, modEditor.Compactor);
     }
 
     public bool Importing
@@ -87,8 +76,8 @@ public class ModImportManager : IDisposable
             return false;
         }
 
-        _modManager.AddMod(directory);
+        modManager.AddMod(directory);
-        mod = _modManager.LastOrDefault();
+        mod = modManager.LastOrDefault();
         return mod != null && mod.ModPath == directory;
     }
 

Penumbra/Mods/Mod.cs

@@ -62,8 +62,8 @@ public sealed class Mod : IMod
 
 
     // Options
-    public readonly DefaultSubMod Default;
+    public readonly DefaultSubMod   Default;
-    public readonly List<IModGroup>   Groups = [];
+    public readonly List<IModGroup> Groups = [];
 
     public AppliedModData GetData(ModSettings? settings = null)
     {
@@ -99,7 +99,7 @@ public sealed class Mod : IMod
     }
 
     // Cache
-    public readonly IReadOnlyDictionary<string, object?> ChangedItems = new SortedList<string, object?>();
+    public readonly SortedList<string, object?> ChangedItems = new();
 
     public string LowerChangedItemsString { get; internal set; } = string.Empty;
     public string AllTagsLower            { get; internal set; } = string.Empty;

Penumbra/UI/ModsTab/ModGroupEditDrawer.cs

@@ -123,8 +123,7 @@ public sealed class ModGroupEditDrawer(
     ModManager modManager,
     Configuration config,
     FilenameService filenames,
-    DescriptionEditPopup descriptionPopup,
+    DescriptionEditPopup descriptionPopup) : IUiService
-    MetaFileManager metaManager) : IUiService
 {
     private static ReadOnlySpan<byte> DragDropLabel
         => "##DragOption"u8;

Penumbra/UI/Tabs/SettingsTab.cs

@@ -428,6 +428,14 @@ public class SettingsTab : ITab
                     _config.Ephemeral.Save();
                 }
             });
+        Checkbox("Omit Machinist Offhands in Changed Items",
+            "Omits all Aetherotransformers (machinist offhands) in the changed items tabs because any change on them changes all of them at the moment.\n\n"
+          + "Changing this triggers a rediscovery of your mods so all changed items can be updated.",
+            _config.HideMachinistOffhandFromChangedItems, v =>
+            {
+                _config.HideMachinistOffhandFromChangedItems = v;
+                _modManager.DiscoverMods();
+            });
         Checkbox("Hide Priority Numbers in Mod Selector",
             "Hides the bracketed non-zero priority numbers displayed in the mod selector when there is enough space for them.",
             _config.HidePrioritiesInSelector, v => _config.HidePrioritiesInSelector = v);

Penumbra/Util/IdentifierExtensions.cs

@@ -0,0 +1,115 @@
+using OtterGui.Classes;
+using Penumbra.GameData.Data;
+using Penumbra.GameData.Enums;
+using Penumbra.GameData.Structs;
+using Penumbra.Meta.Manipulations;
+using Penumbra.Mods.Editor;
+using Penumbra.Mods.SubMods;
+
+namespace Penumbra.Util;
+
+public static class IdentifierExtensions
+{
+    /// <summary> Compute the items changed by a given meta manipulation and put them into the changedItems dictionary. </summary>
+    public static void MetaChangedItems(this ObjectIdentification identifier, IDictionary<string, object?> changedItems,
+        MetaManipulation manip)
+    {
+        switch (manip.ManipulationType)
+        {
+            case MetaManipulation.Type.Imc:
+                switch (manip.Imc.ObjectType)
+                {
+                    case ObjectType.Equipment:
+                    case ObjectType.Accessory:
+                        identifier.Identify(changedItems,
+                            GamePaths.Equipment.Mtrl.Path(manip.Imc.PrimaryId, GenderRace.MidlanderMale, manip.Imc.EquipSlot, manip.Imc.Variant,
+                                "a"));
+                        break;
+                    case ObjectType.Weapon:
+                        identifier.Identify(changedItems,
+                            GamePaths.Weapon.Mtrl.Path(manip.Imc.PrimaryId, manip.Imc.SecondaryId, manip.Imc.Variant, "a"));
+                        break;
+                    case ObjectType.DemiHuman:
+                        identifier.Identify(changedItems,
+                            GamePaths.DemiHuman.Mtrl.Path(manip.Imc.PrimaryId, manip.Imc.SecondaryId, manip.Imc.EquipSlot, manip.Imc.Variant,
+                                "a"));
+                        break;
+                    case ObjectType.Monster:
+                        identifier.Identify(changedItems,
+                            GamePaths.Monster.Mtrl.Path(manip.Imc.PrimaryId, manip.Imc.SecondaryId, manip.Imc.Variant, "a"));
+                        break;
+                }
+
+                break;
+            case MetaManipulation.Type.Eqdp:
+                identifier.Identify(changedItems,
+                    GamePaths.Equipment.Mdl.Path(manip.Eqdp.SetId, Names.CombinedRace(manip.Eqdp.Gender, manip.Eqdp.Race), manip.Eqdp.Slot));
+                break;
+            case MetaManipulation.Type.Eqp:
+                identifier.Identify(changedItems, GamePaths.Equipment.Mdl.Path(manip.Eqp.SetId, GenderRace.MidlanderMale, manip.Eqp.Slot));
+                break;
+            case MetaManipulation.Type.Est:
+                switch (manip.Est.Slot)
+                {
+                    case EstManipulation.EstType.Hair:
+                        changedItems.TryAdd($"Customization: {manip.Est.Race} {manip.Est.Gender} Hair (Hair) {manip.Est.SetId}", null);
+                        break;
+                    case EstManipulation.EstType.Face:
+                        changedItems.TryAdd($"Customization: {manip.Est.Race} {manip.Est.Gender} Face (Face) {manip.Est.SetId}", null);
+                        break;
+                    case EstManipulation.EstType.Body:
+                        identifier.Identify(changedItems,
+                            GamePaths.Equipment.Mdl.Path(manip.Est.SetId, Names.CombinedRace(manip.Est.Gender, manip.Est.Race),
+                                EquipSlot.Body));
+                        break;
+                    case EstManipulation.EstType.Head:
+                        identifier.Identify(changedItems,
+                            GamePaths.Equipment.Mdl.Path(manip.Est.SetId, Names.CombinedRace(manip.Est.Gender, manip.Est.Race),
+                                EquipSlot.Head));
+                        break;
+                }
+
+                break;
+            case MetaManipulation.Type.Gmp:
+                identifier.Identify(changedItems, GamePaths.Equipment.Mdl.Path(manip.Gmp.SetId, GenderRace.MidlanderMale, EquipSlot.Head));
+                break;
+            case MetaManipulation.Type.Rsp:
+                changedItems.TryAdd($"{manip.Rsp.SubRace.ToName()} {manip.Rsp.Attribute.ToFullString()}", null);
+                break;
+        }
+    }
+
+    public static void AddChangedItems(this ObjectIdentification identifier, IModDataContainer container,
+        IDictionary<string, object?> changedItems)
+    {
+        foreach (var gamePath in container.Files.Keys.Concat(container.FileSwaps.Keys))
+            identifier.Identify(changedItems, gamePath.ToString());
+
+        foreach (var manip in container.Manipulations)
+            MetaChangedItems(identifier, changedItems, manip);
+    }
+
+    public static void RemoveMachinistOffhands(this SortedList<string, object?> changedItems)
+    {
+        for (var i = 0; i < changedItems.Count; i++)
+        {
+            {
+                var value = changedItems.Values[i];
+                if (value is EquipItem { Type: FullEquipType.GunOff })
+                    changedItems.RemoveAt(i--);
+            }
+        }
+    }
+
+    public static void RemoveMachinistOffhands(this SortedList<string, (SingleArray<IMod>, object?)> changedItems)
+    {
+        for (var i = 0; i < changedItems.Count; i++)
+        {
+            {
+                var value = changedItems.Values[i].Item2;
+                if (value is EquipItem { Type: FullEquipType.GunOff })
+                    changedItems.RemoveAt(i--);
+            }
+        }
+    }
+}