connections

BuildManager.cs

@@ -0,0 +1,66 @@
+using System.Collections.Generic;
+using Godot;
+
+namespace NodeWar;
+
+public partial class BuildManager : Node
+{
+	public bool Building { get; set; } = false;
+
+	public Nodule BuildingNodule { get; set; }
+
+	public override void _Ready() { }
+
+	[Export]
+	private PackedScene _noduleScene;
+
+	[Export]
+	private PackedScene _rootScene;
+
+	private Dictionary<NoduleConnection, Root> NoduleConnections { get; set; } = new();
+
+	public override void _Process(double delta)
+	{
+		if (Input.IsActionJustPressed("build") && !Building)
+		{
+			Building = true;
+			BuildingNodule = _noduleScene.Instantiate<Nodule>();
+			BuildingNodule.BuildMode = true;
+
+			BuildingNodule.NoduleBuilt += () =>
+			{
+				Building = false;
+
+				// try connecting built nodule to connected ones
+				foreach (var connectedNodule in BuildingNodule.ConnectedNodules)
+				{
+					RegisterConnection(BuildingNodule, connectedNodule);
+				}
+
+				BuildingNodule = null;
+			};
+
+			BuildingNodule.BuildingCanceled += () =>
+			{
+				Building = false;
+				BuildingNodule = null;
+			};
+
+			GetParent().AddChild(BuildingNodule);
+		}
+	}
+
+	public void RegisterConnection(Nodule a, Nodule b)
+	{
+		if (!NoduleConnections.ContainsKey(new NoduleConnection { A = a, B = b }))
+		{
+			var root = _rootScene.Instantiate<Root>();
+			GetParent().AddChild(root);
+
+			root.ConnectNodules(a, b);
+			root.GlobalPosition = a.GlobalPosition;
+
+			NoduleConnections.Add(new NoduleConnection { A = a, B = b }, root);
+		}
+	}
+}