Inverter.cs

namespace Nez.AI.BehaviorTrees
{
	/// <summary>
	/// inverts the result of the child node
	/// </summary>
	public class Inverter<T> : Decorator<T>
	{
		public override TaskStatus Update(T context)
		{
			Insist.IsNotNull(Child, "child must not be null");

			var status = Child.Tick(context);

			if (status == TaskStatus.Success)
				return TaskStatus.Failure;

			if (status == TaskStatus.Failure)
				return TaskStatus.Success;

			return TaskStatus.Running;
		}
	}
}