Stuff

src/Gameplay/BuildGhost.cs

@@ -1,4 +1,5 @@
 using Godot;
+using Slimepire.Gameplay.Nodules;
 
 namespace Slimepire.Gameplay;
 
@@ -7,18 +8,64 @@ public partial class BuildGhost : Node2D
 {
     public event Action<Vector2>? OnBuild;
     private Tube? _tube;
+    private readonly Dictionary<Nodule, Tube> _connectedTubes = [];
 
     public override void _Ready()
     {
-        _tube = Instantiator.Instantiate<Tube>();
-        _tube.Position = Position / 2; // TODO WHYYY????
-        GetParent()?.AddChild(_tube);
+        TubeConnectionArea.AreaEntered += TubeConnectionAreaOnAreaEntered;
+        TubeConnectionArea.AreaExited += TubeConnectionAreaOnAreaExited;
+    }
+
+    private void TubeConnectionAreaOnAreaEntered(Area2D area)
+    {
+        if (area.GetParent() is Nodule nodule)
+        {
+            CreateGhostTube(nodule, area.GlobalPosition);
+            ConnectTubePlayer.Play();
+        }
+    }
+
+    private void TubeConnectionAreaOnAreaExited(Area2D area)
+    {
+        if (area.GetParent() is Nodule nodule)
+        {
+            var tube = _connectedTubes.GetValueOrDefault(nodule);
+            if (tube == null)
+                return;
+
+            _connectedTubes.Remove(nodule);
+            tube.QueueFree();
+            DisconnectTubePlayer.Play();
+        }
+    }
+
+    private void CreateGhostTube(Nodule connectedNodule, Vector2 pos)
+    {
+        var tube = Instantiator.Instantiate<Tube>();
+        tube.Position = pos / 2; // TODO WHYYY????
+        _connectedTubes.Add(connectedNodule, tube);
+        GetParent()?.AddChild(tube);
     }
 
     public override void _Process(double delta)
     {
         GlobalPosition = GetGlobalMousePosition();
-        _tube?.SetTarget(GlobalPosition);
+        foreach (var (_, tube) in _connectedTubes)
+        {
+            tube.SetTarget(GlobalPosition);
+        }
+    }
+
+    public override void _UnhandledKeyInput(InputEvent @event)
+    {
+        using (@event)
+        {
+            if (@event is InputEventKey { Keycode: Key.Escape, Pressed: true })
+            {
+                NoduleManager.Instance.Building = false;
+                QueueFree();
+            }
+        }
     }
 
     public override void _UnhandledInput(InputEvent @event)
@@ -27,9 +74,20 @@ public partial class BuildGhost : Node2D
         {
             if (@event is InputEventMouseButton { Pressed: false, ButtonIndex: MouseButton.Left })
             {
+                NoduleManager.Instance.Building = false;
                 OnBuild?.Invoke(GlobalPosition);
 
-                _tube?.QueueFree();
+                var nodule = Instantiator.Instantiate<Nodule>();
+
+                nodule.Position = Position;
+                GetParent()?.AddChild(nodule);
+
+                foreach (var (_, tube) in _connectedTubes)
+                {
+                    tube.QueueFree();
+                }
+
+                _connectedTubes.Clear();
                 QueueFree();
 
                 GetViewport().SetInputAsHandled();