cirnogodot/Scripts/Tools.cs

using Godot;

namespace Cirno.Scripts;

public static class Tools
{
	public static T CreateChild<T>(this Node2D node, PackedScene prefab) where T : Node2D
	{
		if (prefab == null) return null;
		var newInstance = prefab.Instantiate<T>();
		node.GetParent().CallDeferred("add_child", newInstance);
		// Need to use parent instead of owner because tilemap scenes have no owner
		//node.Owner.CallDeferred("add_child", newInstance);
		newInstance.Transform = node.GlobalTransform;
		newInstance.Position = node.Position;

		return newInstance;
	}
}