FSM Selector with sound

Scripts/Components/Actors/ActivationProvider.cs

@@ -0,0 +1,106 @@
+using Godot;
+
+namespace Cirno.Scripts.Components.Actors;
+
+public partial class ActivationProvider : Area2D
+{
+    public bool Enabled { get; set; } = false;
+    
+    private Selector _selector;
+    
+    [Export]
+    public PackedScene SelectorScene { get; set; }
+    
+    [Export]
+    private InputProvider _inputProvider;
+
+    [Export] private AudioStreamPlayer2D _errorSound;
+    
+    [Signal]
+    public delegate void InteractableAreaEnteredEventHandler(Interactable interactable);
+    
+    [Signal]
+    public delegate void InteractableAreaExitedEventHandler(Interactable interactable);
+
+    public void Init()
+    {
+        if (SelectorScene is not null && _selector is null)
+        {
+            _selector = this.CreateSibling<Selector>(SelectorScene, this.GlobalPosition);
+            _selector.Visible = false;
+        }
+    }
+    
+    public void HandleInteraction()
+    {
+        if (_inputProvider.GetUseJustPressed())
+        {
+            TrySelect();
+        }
+
+        if (_inputProvider.GetScanJustPressed())
+        {
+            _selector.SelectNext();
+        }
+    }
+
+    private void TrySelect()
+    {
+        var selected = _selector.SelectedInteractable;
+        if (selected is null)
+        {
+            _errorSound?.Play();
+            return;
+        };
+        if (!selected.CanActivate())
+        {
+            _errorSound?.Play();
+            return;
+        };
+        bool success = selected.Activate();
+
+        if (success)
+        {
+            // Deselect and scan for next
+            _selector.RemoveInteractable(selected);
+            //_selector.SelectedInteractable = null;
+            //_selector.SelectNext();
+        }
+        else
+        {
+            _errorSound?.Play();
+        }
+
+        //var spaceState = GetWorld2D().DirectSpaceState;
+
+        //var query = PhysicsRayQueryParameters2D.Create(Vector2.Zero, )
+    }
+    
+    private void _on_interaction_controller_area_entered(Area2D area)
+    {
+        if (!Enabled) return;
+        if (area.IsInGroup("Interactable") && area is Interactable interactable && interactable.CanActivate())
+        {
+            EmitSignal(nameof(InteractableAreaEntered), interactable);
+
+            if (_selector == null) return;
+
+            _selector.AddInteractable(interactable);
+
+            //_selector.SelectedInteractable = interactable;
+
+        }
+    }
+    
+    private void _on_interaction_controller_area_exited(Area2D area)
+    {
+        if (!Enabled) return;
+        if (area.IsInGroup("Interactable") && area is Interactable interactable)
+        {
+            EmitSignal(nameof(InteractableAreaExited), interactable);
+
+            if (_selector == null) return;
+            _selector.RemoveInteractable(interactable);
+        }
+    }
+}