Add some refactoring of data, Stains and STM files.

Penumbra.GameData/Data/DataSharer.cs

@@ -0,0 +1,56 @@
+using System;
+using Dalamud;
+using Dalamud.Logging;
+using Dalamud.Plugin;
+
+namespace Penumbra.GameData.Data;
+
+public abstract class DataSharer : IDisposable
+{
+    private readonly DalamudPluginInterface _pluginInterface;
+    private readonly int _version;
+    protected readonly ClientLanguage Language;
+    private bool _disposed;
+
+    protected DataSharer(DalamudPluginInterface pluginInterface, ClientLanguage language, int version)
+    {
+        _pluginInterface = pluginInterface;
+        Language = language;
+        _version = version;
+    }
+
+    protected virtual void DisposeInternal()
+    { }
+
+    public void Dispose()
+    {
+        if (_disposed)
+            return;
+
+        DisposeInternal();
+        GC.SuppressFinalize(this);
+        _disposed = true;
+    }
+
+    ~DataSharer()
+        => Dispose();
+
+    protected void DisposeTag(string tag)
+        => _pluginInterface.RelinquishData(GetVersionedTag(tag));
+
+    private string GetVersionedTag(string tag)
+        => $"Penumbra.GameData.{tag}.{Language}.V{_version}";
+
+    protected T TryCatchData<T>(string tag, Func<T> func) where T : class
+    {
+        try
+        {
+            return _pluginInterface.GetOrCreateData(GetVersionedTag(tag), func);
+        }
+        catch (Exception ex)
+        {
+            PluginLog.Error($"Error creating shared actor data for {tag}:\n{ex}");
+            return func();
+        }
+    }
+}