Refactor inventory menu logic

Zennysoft.Game.Ma.Implementation/UI/InGameUI/state/States/InGameUI.State.InventoryOpen.cs

@@ -0,0 +1,35 @@
+using Chickensoft.Introspection;
+
+namespace Zennysoft.Game.Ma.Implementation;
+
+public partial class InGameUILogic
+{
+  public partial record State
+  {
+    [Meta]
+    public partial record InventoryOpen : Active, IGet<Input.HideInventory>
+    {
+      public InventoryOpen()
+      {
+        OnAttach(() =>
+        {
+          var gameRepo = Get<IGameRepo>();
+          gameRepo.CloseInventoryEvent += OnCloseInventoryEvent;
+          gameRepo.Pause();
+          Output(new Output.ShowInventory());
+        });
+        OnDetach(() =>
+        {
+          var gameRepo = Get<IGameRepo>();
+          gameRepo.Resume();
+          gameRepo.CloseInventoryEvent -= OnCloseInventoryEvent;
+          Output(new Output.HideInventory());
+        });
+      }
+
+      private void OnCloseInventoryEvent() => Input(new Input.HideInventory());
+
+      public Transition On(in Input.HideInventory input) => To<Active>();
+    }
+  }
+}