Add testing support for changing weapon types in gpose only.

Glamourer/Events/GPoseService.cs

@@ -0,0 +1,71 @@
+using System;
+using System.Collections.Concurrent;
+using Dalamud.Game;
+using OtterGui.Classes;
+using FFXIVClientStructs.FFXIV.Client.Game;
+
+namespace Glamourer.Events;
+
+public class GPoseService : EventWrapper<Action<bool>, GPoseService.Priority>
+{
+    private readonly Framework _framework;
+
+    private readonly ConcurrentQueue<Action> _onLeave = new();
+    private readonly ConcurrentQueue<Action> _onEnter = new();
+
+    public enum Priority
+    { }
+
+    public bool InGPose { get; private set; } = false;
+
+    public GPoseService(Framework framework)
+        : base(nameof(GPoseService))
+    {
+        _framework        =  framework;
+        _framework.Update += OnFramework;
+    }
+
+    public new void Dispose()
+    {
+        _framework.Update -= OnFramework;
+        base.Dispose();
+    }
+
+    public void AddActionOnLeave(Action onLeave)
+    {
+        if (InGPose)
+            _onLeave.Enqueue(onLeave);
+        else
+            onLeave();
+    }
+
+    public void AddActionOnEnter(Action onEnter)
+    {
+        if (InGPose)
+            onEnter();
+        else
+            _onEnter.Enqueue(onEnter);
+    }
+
+    private void OnFramework(Framework _)
+    {
+        var inGPose = GameMain.IsInGPose();
+        if (InGPose == inGPose)
+            return;
+
+        InGPose = inGPose;
+        Invoke(this, InGPose);
+        var actions = InGPose ? _onEnter : _onLeave;
+        foreach (var action in actions)
+        {
+            try
+            {
+                action();
+            }
+            catch (Exception ex)
+            {
+                Glamourer.Log.Error($"Error executing GPose action:\n{ex}");
+            }
+        }
+    }
+}