✨ watering can fillstate is saving and loading

scripts/CSharp/Common/Farming/WateringCanState.cs

@@ -29,6 +29,7 @@ public static class WateringCanState
     public delegate void WateringCanDelegate(bool state);
     public static event WateringCanDelegate WateringCanActiveStateChanged;
     public static event Action? OnWater;
+    public static event Action? OnFill;
         
 
     
@@ -38,6 +39,7 @@ public static class WateringCanState
     public static void Fill()
     {
         _fillstate = MAX_FILLSTATE;
+        OnFill?.Invoke();
     }
 
     /// <summary>
@@ -69,6 +71,15 @@ public static class WateringCanState
         return _fillstate;
     }
 
+    /// <summary>
+    /// Public setter. Used for saving and loading.
+    /// </summary>
+    /// <param name="fillstate"></param>
+    public static void SetFillState(int fillstate)
+    {
+        _fillstate = fillstate;
+    }
+
     /// <summary>
     /// Sets the Active state of the watering can, i.e. if it is currently in hand and if the ui should be active.
     /// </summary>