using UnityEngine;
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public class AI_Npc_198 : SampleAI
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{
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public AI_Npc_198(GA_NpcClientFightNorm owner, Vector3 bornPosition) : base(owner, bornPosition)
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{
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m_SleepTime = 1f;
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owner.OnAttacked += OnAttacked;
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m_RunAwayStep = 0;
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}
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public override void UnInit()
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{
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base.UnInit();
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m_Owner.OnAttacked -= OnAttacked;
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}
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private float m_LastBeAtkedTime = 0;
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public void OnAttacked()
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{
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if (m_AIStatus != E_AIStatus.RunAway)
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{
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m_AIStatus = E_AIStatus.RunAway;
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m_RunAwayStep = 0;
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}
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m_LastBeAtkedTime = Time.realtimeSinceStartup;
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}
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public override void Update()
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{
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// ai休眠时间
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if (Time.realtimeSinceStartup - m_LastThinkTime > m_SleepTime)
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{
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_Thinking();
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}
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switch (m_AIStatus)
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{
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case E_AIStatus.Patrol:
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_Patrol();
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break;
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case E_AIStatus.MoveToBornPos:
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MoveToBornPos();
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break;
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case E_AIStatus.RunAway:
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_RunAway();
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break;
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}
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}
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private byte m_RunAwayStep = 0;
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private Vector3 m_Dest;
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private void _RunAway()
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{
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switch (m_RunAwayStep)
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{
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case 0:
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// 选择一个逃跑点
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var _nextForawrd = Random.rotation * m_Owner.Forward;
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var _randomDis = Random.Range(0, m_Owner.NpcConfig.Sight * .5f);
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m_Dest = m_Owner.BornPos + _nextForawrd * _randomDis;
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GActor.TryGetValidPos(m_Dest, ref m_Dest);
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m_RunAwayStep = 1;
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break;
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case 1:
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var _conmareDis = MathUtility.DistanceSqrtXZ(m_Owner.Pos, m_Dest);
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if (_conmareDis > .5f)
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{
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m_Owner.MoveToPosition(m_Dest);
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}
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else
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{
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m_RunAwayStep = 0;
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m_AIStatus = E_AIStatus.Idle;
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}
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break;
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}
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}
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private void _Thinking()
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{
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float _compareDis;
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var _hero = PlayerDatas.Instance.hero;
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if (_hero == null || _hero.ActorInfo.serverDie)
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{
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// 主角不存在或者死亡了
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// 在出生点附近
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_compareDis = MathUtility.DistanceSqrtXZ(BornPos, m_Owner.Pos);
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if (_compareDis < 4)
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{
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m_AIStatus = E_AIStatus.Patrol;
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}
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// 巡逻
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// 不在出生点附近
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else
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{
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// 回到出生点
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m_AIStatus = E_AIStatus.MoveToBornPos;
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}
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}
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else
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{
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_compareDis = MathUtility.DistanceSqrtXZ(m_Owner.Pos, BornPos);
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if (_compareDis > m_KeepBornDistSqrt)
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{
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m_AIStatus = E_AIStatus.MoveToBornPos;
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}
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else
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{
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if (m_AIStatus != E_AIStatus.RunAway
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&& m_AIStatus != E_AIStatus.Idle)
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{
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m_AIStatus = E_AIStatus.Patrol;
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}
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}
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}
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if (m_AIStatus == E_AIStatus.Idle)
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{
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if (Time.realtimeSinceStartup - m_LastBeAtkedTime > 5)
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{
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m_AIStatus = E_AIStatus.Patrol;
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}
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}
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}
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private void MoveToBornPos()
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{
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var _dis = MathUtility.DistanceSqrtXZ(m_Owner.Pos, BornPos);
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if (_dis > 0.1f)
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{
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m_Owner.MoveToPosition(BornPos);
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}
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else
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{
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m_AIStatus = E_AIStatus.Patrol;
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}
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}
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private byte patrolStep;
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private float patrolWaitTime;
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private float patrolWaitRandomTime;
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private Vector3 randomPos;
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private void _Patrol()
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{
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if (m_AIStatus == E_AIStatus.MoveToBornPos)
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{
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return;
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}
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switch (patrolStep)
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{
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case 0:
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patrolWaitRandomTime = Random.Range(2f, 4f);
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patrolWaitTime = Time.realtimeSinceStartup;
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patrolStep = 1;
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break;
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case 1:
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if (Time.realtimeSinceStartup - patrolWaitTime > patrolWaitRandomTime)
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{
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patrolStep = 2;
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patrolWaitTime = Time.realtimeSinceStartup;
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randomPos = BornPos + new Vector3(Random.Range(-2f, 2f), 0, Random.Range(-2f, 2f));
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GActor.TryGetValidPos(randomPos, ref randomPos);
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m_Owner.MoveToPosition(randomPos);
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}
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break;
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case 2:
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if (Time.realtimeSinceStartup - patrolWaitTime > 2)
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{
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patrolStep = 1;
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}
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break;
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}
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}
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}
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