a bit more stuff

Nodule.cs

@@ -16,13 +16,15 @@ public partial class Nodule : Area2D
 {
 	private const float GrowthFactor = 0.01f;
 
+	private bool _growAreaInside;
+	private bool _holdInsideGrowArea;
+	private Vector2 _lastPosition;
+	private bool _freezeMove;
+
 	[Export]
 	private NoduleType _noduleType;
 
-	private bool _growAreaInside;
-
-	[Export]
-	public float MaxRadius { get; set; } = 360;
+	private float _maxRadius;
 
 	[Export]
 	public bool BuildMode { get; set; } = false;
@@ -35,6 +37,10 @@ public partial class Nodule : Area2D
 
 	public List<Nodule> ConnectedNodules { get; } = [];
 
+	public Nodule ParentNoduleWhileBuilding;
+
+	public Nodule ChildNoduleWhileBuilding;
+
 	[Signal]
 	public delegate void NoduleBuiltEventHandler();
 
@@ -43,6 +49,7 @@ public partial class Nodule : Area2D
 
 	public override void _Ready()
 	{
+		_maxRadius = _.ConnectionArea.GetRadius();
 		_.ConnectionArea.NoduleEntered += HandleNoduleEntered;
 		_.ConnectionArea.NoduleExited += HandleNoduleExited;
 
@@ -52,7 +59,6 @@ public partial class Nodule : Area2D
 				Modulate = Colors.Red;
 
 				_.Gfx.Get().Scale = new Vector2(2, 2);
-				_.BaseCollision.Disabled = false;
 
 				BuildNode();
 				break;
@@ -67,11 +73,24 @@ public partial class Nodule : Area2D
 
 	public override void _Process(double delta)
 	{
+		// TODO: StateMachine?
 		if (BuildMode)
 		{
-			GlobalPosition = GetGlobalMousePosition();
+			var distanceToParent =
+				GetGlobalMousePosition() - ParentNoduleWhileBuilding.GlobalPosition;
 
-			if (Input.IsActionJustPressed(Scripts.Globals.MyInput.MouseLeft))
+			if (distanceToParent.Length() > _maxRadius)
+			{
+				GlobalPosition =
+					ParentNoduleWhileBuilding.GlobalPosition
+					+ distanceToParent.Normalized() * _maxRadius;
+			}
+			else
+			{
+				GlobalPosition = GetGlobalMousePosition();
+			}
+
+			if (Input.IsActionJustReleased(Scripts.Globals.MyInput.MouseLeft))
 			{
 				BuildNode();
 			}
@@ -80,21 +99,21 @@ public partial class Nodule : Area2D
 			{
 				EmitSignalBuildingCanceled();
 				BuildMode = false;
+				BuildManager.Instance.IsBuilding = false;
+
 				QueueFree();
 			}
 		}
 		else
 		{
-			if (
-				Input.IsActionJustPressed(Scripts.Globals.MyInput.MouseLeft)
-				&& _growAreaInside
-				&& !BuildMode
-			)
+			if (Input.IsActionJustPressed(Scripts.Globals.MyInput.MouseLeft) && _growAreaInside)
 			{
-				var newNodule = Instantiator.Instantiate<Nodule>();
-				newNodule.BuildMode = true;
-				GetParent().AddChild(newNodule);
-				newNodule.GlobalPosition = GlobalPosition;
+				_holdInsideGrowArea = true;
+			}
+
+			if (Input.IsActionJustReleased(Scripts.Globals.MyInput.MouseLeft) && _growAreaInside)
+			{
+				_holdInsideGrowArea = false;
 			}
 
 			Age += GrowthFactor * delta.ToFloat();
@@ -105,13 +124,15 @@ public partial class Nodule : Area2D
 
 		// TODO: replace with line2d?
 		QueueRedraw();
+
+		_lastPosition = GlobalPosition;
 	}
 
 	public override void _Draw()
 	{
-		foreach (var nodule in ConnectedNodules)
+		if (BuildMode)
 		{
-			if (BuildMode)
+			foreach (var nodule in ConnectedNodules)
 			{
 				DrawDashedLine(
 					Vector2.Zero,
@@ -123,16 +144,6 @@ public partial class Nodule : Area2D
 				);
 			}
 		}
-
-		var value = 200 * Age;
-
-		if (!BuildMode)
-		{
-			DrawRect(
-				new Rect2(-value / 2, -value / 2, value, value),
-				new Color(Colors.WhiteSmoke, 0.4f)
-			);
-		}
 	}
 
 	private void HandleNoduleEntered(Nodule nodule)
@@ -148,7 +159,12 @@ public partial class Nodule : Area2D
 	private void BuildNode()
 	{
 		EmitSignalNoduleBuilt();
+
 		BuildMode = false;
+		ChildNoduleWhileBuilding = null;
+
+		// Weird architecture...
+		BuildManager.Instance.IsBuilding = false;
 
 		// try connecting built nodule to connected ones
 		foreach (var connectedNodule in ConnectedNodules)
@@ -163,7 +179,30 @@ public partial class Nodule : Area2D
 
 		_.GrowArea.Get().MouseExited += () =>
 		{
+			if (_holdInsideGrowArea)
+			{
+				StartBuilding();
+				_holdInsideGrowArea = false;
+			}
+
 			_growAreaInside = false;
 		};
 	}
+
+	private void StartBuilding()
+	{
+		GD.Print("START BUILDING");
+		if (BuildManager.Instance.IsBuilding)
+			return;
+
+		BuildManager.Instance.IsBuilding = true;
+		var newNodule = Instantiator.Instantiate<Nodule>();
+
+		GetParent().AddChild(newNodule);
+
+		newNodule.BuildMode = true;
+		newNodule.GlobalPosition = GlobalPosition;
+		newNodule.ParentNoduleWhileBuilding = this;
+		ChildNoduleWhileBuilding = newNodule;
+	}
 }