112 lines
3.5 KiB
C#
112 lines
3.5 KiB
C#
using System.Collections.Generic;
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using NodeCanvas.Framework;
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using ParadoxNotion.Design;
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using UnityEngine;
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using NavMeshAgent = UnityEngine.AI.NavMeshAgent;
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namespace NodeCanvas.Tasks.Actions
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{
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[Category("Movement/Pathfinding")]
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[Description("Move Randomly or Progressively between various game object positions taken from the list provided")]
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public class Patrol : ActionTask<NavMeshAgent>
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{
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public enum PatrolMode
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{
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Progressive,
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Random
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}
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[RequiredField, Tooltip("A list of gameobjects patrol points.")]
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public BBParameter<List<GameObject>> targetList;
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[Tooltip("The mode to use for patrol (progressive or random)")]
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public BBParameter<PatrolMode> patrolMode = PatrolMode.Random;
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public BBParameter<float> speed = 4;
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public BBParameter<float> keepDistance = 0.1f;
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private int index = -1;
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private Vector3? lastRequest;
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protected override string info {
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get { return string.Format("{0} Patrol {1}", patrolMode, targetList); }
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}
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protected override void OnExecute() {
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if ( targetList.value.Count == 0 ) {
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EndAction(false);
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return;
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}
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if ( targetList.value.Count == 1 ) {
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index = 0;
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} else {
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if ( patrolMode.value == PatrolMode.Random ) {
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var newIndex = index;
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while ( newIndex == index ) {
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newIndex = Random.Range(0, targetList.value.Count);
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}
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index = newIndex;
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}
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if ( patrolMode.value == PatrolMode.Progressive ) {
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index = (int)Mathf.Repeat(index + 1, targetList.value.Count);
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}
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}
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var targetGo = targetList.value[index];
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if ( targetGo == null ) {
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ParadoxNotion.Services.Logger.LogWarning("List game object is null on Patrol Action Task.", LogTag.EXECUTION, this);
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EndAction(false);
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return;
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}
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var targetPos = targetGo.transform.position;
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agent.speed = speed.value;
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if ( ( agent.transform.position - targetPos ).magnitude < agent.stoppingDistance + keepDistance.value ) {
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EndAction(true);
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return;
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}
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}
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protected override void OnUpdate() {
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var targetPos = targetList.value[index].transform.position;
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if ( lastRequest != targetPos ) {
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if ( !agent.SetDestination(targetPos) ) {
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EndAction(false);
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return;
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}
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}
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lastRequest = targetPos;
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if ( !agent.pathPending && agent.remainingDistance <= agent.stoppingDistance + keepDistance.value ) {
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EndAction(true);
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}
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}
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protected override void OnPause() { OnStop(); }
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protected override void OnStop() {
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if ( lastRequest != null && agent.gameObject.activeSelf ) {
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agent.ResetPath();
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}
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lastRequest = null;
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}
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public override void OnDrawGizmosSelected() {
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if ( agent && targetList.value != null ) {
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foreach ( var go in targetList.value ) {
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if ( go != null ) {
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Gizmos.DrawSphere(go.transform.position, 0.1f);
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}
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}
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}
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}
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}
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} |