using UnityEngine;

namespace BehaviorDesigner.Runtime.Tasks.Movement
{
	[HelpURLAttribute("http://www.opsive.com/assets/BehaviorDesigner/Movement/documentation.php?id=9")]
	[TaskIcon("Assets/Behavior Designer Movement/Editor/Icons/{SkinColor}WanderIcon.png")]
	[TaskDescription("Wander using the Unity NavMesh.")]
	[TaskCategory("Movement")]
	public class Wander : NavMeshMovement
	{
		[Tooltip("How far ahead of the current position to look ahead for a wander")]
		public SharedFloat wanderDistance = 20f;

		[Tooltip("The amount that the agent rotates direction")]
		public SharedFloat wanderRate = 2f;

		public override void OnStart()
		{
			base.OnStart();
			SetDestination(Target());
		}

		public override TaskStatus OnUpdate()
		{
			if (HasArrived())
			{
				SetDestination(Target());
			}
			return TaskStatus.Running;
		}

		private Vector3 Target()
		{
			Vector3 vector = transform.forward + Random.insideUnitSphere * wanderRate.Value;
			return transform.position + vector.normalized * wanderDistance.Value;
		}

		public override void OnReset()
		{
			wanderDistance = 20f;
			wanderRate = 2f;
		}
	}
}