Moved Bar slot selection handling to inventory manager

scripts/CSharp/Common/Inventory/InventoryUi.cs

@@ -1,4 +1,3 @@
-#nullable enable
 using Godot;
 
 namespace Babushka.scripts.CSharp.Common.Inventory;
@@ -12,8 +11,6 @@ public partial class InventoryUi : Control
 
     private int? _slotOnMouse;
 
-    private int _selectedSlot = 0;
-
     private bool _inventoryExtended = false;
     private Tween? _inventoryExtensionTween;
 
@@ -63,7 +60,7 @@ public partial class InventoryUi : Control
 
     private void SetSlotSelectPosition()
     {
-        _slotSelect.Position = new Vector2(_selectedSlot * 100, 0);
+        _slotSelect.Position = new Vector2(InventoryManager.Instance.CurrentSelectedSlotIndex * 100, 0);
     }
 
     private void PopulateSlots()
@@ -128,17 +125,17 @@ public partial class InventoryUi : Control
 
         if (Input.IsActionJustPressed("ui_inventory_disadvance"))
         {
-            _selectedSlot++;
-            if (_selectedSlot > 9)
-                _selectedSlot = 0;
+            InventoryManager.Instance.CurrentSelectedSlotIndex++;
+            if (InventoryManager.Instance.CurrentSelectedSlotIndex > 8)
+                InventoryManager.Instance.CurrentSelectedSlotIndex = 0;
             SetSlotSelectPosition();
         }
 
         if (Input.IsActionJustPressed("ui_inventory_advance"))
         {
-            _selectedSlot--;
-            if (_selectedSlot < 0)
-                _selectedSlot = 9;
+            InventoryManager.Instance.CurrentSelectedSlotIndex--;
+            if (InventoryManager.Instance.CurrentSelectedSlotIndex < 0)
+                InventoryManager.Instance.CurrentSelectedSlotIndex = 8;
             SetSlotSelectPosition();
         }
     }