wip exchanging interaction label with outline

scripts/CSharp/Common/CharacterControls/InteractionArea2D.cs

@@ -6,15 +6,25 @@ public partial class InteractionArea2D : Node2D
 {
     [Export] private Area2D _area;
     [Export] private Label _label;
-    [Export] private SpriteSwitcher2D _sprites; // TODO: remove
+    [Export] private bool _useOutline = true;
+    [Export] private ShaderMaterial _outlineMaterial;
+    [Export] private bool _useSprite = true;
+    [Export] private CanvasItem _spriteToOutline;
     [Export] private bool _showLabel = true;
     [Export] private int _id = -1; // TODO: remove
 
+    private Material _backupMaterial;
     [Signal] public delegate void InteractedToolEventHandler(int id); // TODO: remove
     [Signal] public delegate void InteractedEventHandler();
 
     public bool IsActive { get; set; } = true;
 
+    public override void _Ready()
+    {
+        if(_useSprite && _useOutline)
+            _backupMaterial = _spriteToOutline.Material;
+    }
+    
     public void OnPlayerEntered(Node2D player)
     {
         if (!IsActive)
@@ -22,6 +32,11 @@ public partial class InteractionArea2D : Node2D
         
         if(_showLabel)
             _label.Show();
+        
+        if (!_useSprite ||  !_useOutline)
+            return;
+        
+        _spriteToOutline.Material = _outlineMaterial;
     }
 
     public void OnPlayerExited(Node2D player)
@@ -30,6 +45,11 @@ public partial class InteractionArea2D : Node2D
             return;
         
         _label.Hide();
+
+        if (!_useSprite ||  !_useOutline)
+            return;
+        
+        _spriteToOutline.Material = _backupMaterial;
     }
 
     public override void _Input(InputEvent @event)
@@ -40,6 +60,10 @@ public partial class InteractionArea2D : Node2D
         if (@event.IsAction("interact") && @event.IsPressed() && _area.HasOverlappingBodies())
         {
             _label.Hide();
+            
+            if (_useSprite && _useOutline)
+                _spriteToOutline.Material = _backupMaterial;
+            
             EmitSignal(SignalName.InteractedTool, _id);
             EmitSignal(SignalName.Interacted);
         }
@@ -47,13 +71,9 @@ public partial class InteractionArea2D : Node2D
 
     public void SetSpriteActiveState(bool success, int id) // TODO: remove
     {
+        GD.PrintErr("SetSpriteActiveState is being called.");
         if(!IsActive)
             return;
-        
-        if (_id == id)
-        {
-            _sprites.SwitchState(!success);
-        }
     }
 
     public void ToggleActive()