Interactable handling

Scenes/HUD/HUD.tscn

@@ -26,9 +26,8 @@ animations = [{
 "speed": 5.0
 }]
 
-[node name="HUD" type="CanvasLayer" node_paths=PackedStringArray("_selector")]
+[node name="HUD" type="CanvasLayer"]
 script = ExtResource("1_m0hb0")
-_selector = NodePath("AnimatedSprite2D")
 
 [node name="HealthLabel" type="Label" parent="."]
 anchors_preset = 2

Scenes/Selector.tscn

@@ -31,6 +31,5 @@ z_as_relative = false
 script = ExtResource("1_pp2dj")
 
 [node name="AnimatedSprite2D" type="AnimatedSprite2D" parent="."]
-top_level = true
 z_index = -5
 sprite_frames = SubResource("SpriteFrames_kehny")

Scenes/player.tscn

@@ -215,8 +215,6 @@ BulletCapacity = 100
 ReloadTime = 0.4
 BulletSpeed = 300.0
 
-[node name="Selector" parent="." instance=ExtResource("3_8wt6s")]
-
 [connection signal="area_entered" from="InteractionController" to="." method="_on_interaction_controller_area_entered"]
 [connection signal="area_exited" from="InteractionController" to="." method="_on_interaction_controller_area_exited"]
 [connection signal="area_entered" from="DamageHitBox" to="." method="_on_damage_hit_box_area_entered"]

Scripts/PlayerMovement.cs

@@ -22,9 +22,9 @@ public partial class PlayerMovement : CharacterBody2D, IDestructible
 	[Export]
 	public string GameOverScene { get; set; }
 
-	private Node2D _selector;
+	private Selector _selector;
 
-	private Interactable _lastInteractable;
+	//private Interactable _lastInteractable;
 
 	[Export]
 	public Marker2D Muzzle { get; set; }
@@ -94,7 +94,7 @@ public partial class PlayerMovement : CharacterBody2D, IDestructible
 
 		if (SelectorScene != null)
 		{
-			_selector = this.CreateSibling<Node2D>(SelectorScene, this.GlobalPosition);
+			_selector = this.CreateSibling<Selector>(SelectorScene, this.GlobalPosition);
 			_selector.Visible = true;
 		}
 	}
@@ -121,9 +121,9 @@ public partial class PlayerMovement : CharacterBody2D, IDestructible
 
 	private void FindInteractable()
 	{
-		if (Input.IsActionJustPressed("Use") && _lastInteractable != null)
+		if (Input.IsActionJustPressed("Use") && _selector.SelectedInteractable != null)
 		{
-			_lastInteractable.Activate();
+			_selector.SelectedInteractable.Activate();
 		}
 
 		//var spaceState = GetWorld2D().DirectSpaceState;
@@ -267,12 +267,10 @@ public partial class PlayerMovement : CharacterBody2D, IDestructible
 
 			EmitSignal(nameof(InteractableAreaEntered), interactable);
 
-			if (_selector != null)
-			{
-				_selector.Position = interactable.Position;
-				_selector.Visible = true;
-				_lastInteractable = interactable;
-			}
+			if (_selector == null) return;
+			_selector.Position = interactable.Position;
+			//_selector.Visible = true;
+			//_lastInteractable = interactable;
 		}
 	}
 
@@ -283,6 +281,9 @@ public partial class PlayerMovement : CharacterBody2D, IDestructible
 			Debug.WriteLine($"Interactable {area.Name} Exited");
 
 			EmitSignal(nameof(InteractableAreaExited), interactable);
+			
+			if (_selector == null) return;
+			_selector.RemoveInteractable(interactable);
 		}
 	}
 

Scripts/Selector.cs

@@ -9,18 +9,93 @@ public partial class Selector : Node2D
     private List<Interactable> _interactables = new List<Interactable>();
 
     private int _selectedInteractable;
+    
+    [Signal]
+    public delegate void SelectedItemInteractableChangedEventHandler(Interactable interactable);
+    
+    public Interactable SelectedInteractable
+    {
+        get =>
+            _interactables.Count > 0
+                ? _selectedInteractable >= _interactables.Count
+                    ? _interactables[^1]
+                    : _interactables[_selectedInteractable]
+                : null;
+        set
+        {
+            // Passing null deselects the interactable
+            if (value == null)
+            {
+                _selectedInteractable = -1;
+                NotifyChanged(null);
+                return;
+            }
+            
+            // If it's already in the list, set the current one to it, otherwise add it
+            if (!_interactables.Contains(value))
+            {
+                AddInteractable(value);
+            }
+
+            _selectedInteractable = _interactables.IndexOf(value);
+            NotifyChanged(value);
+        }
+    }
+
+    public override void _Process(double delta)
+    {
+        if (Input.IsActionPressed("scan"))
+        {
+            _selectedInteractable += 1;
+            UpdatePosition();
+        }
+    }
+
+    private void NotifyChanged(Interactable interactable)
+    {
+        EmitSignal(nameof(SelectedItemInteractableChanged), interactable);
+    }
 
     public void AddInteractable(Interactable interactable)
     {
         if (!_interactables.Contains(interactable)) {
             _interactables.Add(interactable);
+
+            if (_interactables.Count == 1)
+            {
+                _selectedInteractable = 0;
+            }
+            
+        }
+        UpdatePosition();
+    }
+
+    public void RemoveInteractable(Interactable interactable)
+    {
+        if (_interactables.Contains(interactable))
+        {
+            _interactables.Remove(interactable);
+        }
+        UpdatePosition();
+    }
+
+    public void Deselect()
+    {
+        _selectedInteractable = -1;
+        this.Visible = false;
+    }
+
+    public void UpdatePosition()
+    {
+        if (SelectedInteractable != null)
+        {
+            this.Position = SelectedInteractable.Position;
+            this.Visible = true;
+        }
+        else
+        {
+            this.Visible = false;
         }
     }
 
-    public void RemoveInteractable()
-    {
-
-    }
-
-
 }