70 lines
2.6 KiB
C#
70 lines
2.6 KiB
C#
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using UnityEngine;
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using BehaviorDesigner.Runtime.Tasks;
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using Tooltip = BehaviorDesigner.Runtime.Tasks.TooltipAttribute;
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using HelpURL = BehaviorDesigner.Runtime.Tasks.HelpURLAttribute;
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namespace BehaviorDesigner.Runtime.Tactical.Tasks
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{
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[TaskCategory("Tactical")]
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[TaskDescription("Retreats in the opposite direction of the target")]
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[HelpURL("https://www.opsive.com/support/documentation/behavior-designer-tactical-pack/")]
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[TaskIcon("Assets/Behavior Designer Tactical/Editor/Icons/{SkinColor}RetreatIcon.png")]
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public class Retreat : NavMeshTacticalGroup
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{
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[Tooltip("The distance away from the targets that is considered safe")]
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public SharedFloat safeDistance = 10;
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private Quaternion direction;
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private Vector3 safeOffset;
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protected override void AddAgentToGroup(Behavior agent, int index)
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{
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base.AddAgentToGroup(agent, index);
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if (tacticalAgent != null) {
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// Prevent the agent from updating its rotation so the agent can attack while retreating.
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tacticalAgent.UpdateRotation(false);
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}
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}
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protected override void StartGroup()
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{
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base.StartGroup();
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direction = transform.rotation;
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safeOffset.z = -safeDistance.Value;
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}
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public override TaskStatus OnUpdate()
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{
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var baseStatus = base.OnUpdate();
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if (baseStatus != TaskStatus.Running || !started) {
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return baseStatus;
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}
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var attackCenter = CenterAttackPosition();
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var safe = true;
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// Try to attack the enemy while retreating.
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FindAttackTarget();
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if (tacticalAgent.CanSeeTarget()) {
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if (tacticalAgent.RotateTowardsPosition(tacticalAgent.TargetTransform.position)) {
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tacticalAgent.TryAttack();
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}
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} else {
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// The agent can update its rotation when the agent is far enough away that it can't attack.
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tacticalAgent.UpdateRotation(true);
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}
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// The agents are only save once they have moved more than the safe distance away from the attack point.
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if ((attackCenter - transform.position).magnitude < safeDistance.Value) {
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safe = false;
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var targetPosition = TransformPoint(transform.position, safeOffset, direction);
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tacticalAgent.SetDestination(targetPosition);
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} else {
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tacticalAgent.Stop();
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}
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return safe ? TaskStatus.Success : TaskStatus.Running;
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}
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}
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}
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