using Adon.Game.BO;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

namespace AdonGameKit
{
    /// <summary>
    /// 言灵星空法阵子弹
    /// </summary>
    public class YLStarrySkyAdon : MonoBehaviour
    {
        /// <summary>
        /// 步进速度
        /// </summary>
        public float velocity = 30f;
        /// <summary>
        /// 最小距离
        /// </summary>
        public float minDistance = 0.1f;

        /// <summary>
        /// 生命周期
        /// </summary>
        public float lifeTime = 5f;
        /// <summary>
        /// 是否延迟销毁
        /// </summary>
        public bool DelayDespawn = false;
        /// <summary>
        /// 粒子消退延迟时间
        /// </summary>
        public float despawnDelay;
        [SerializeField]
        private BaseYLPartAdon m_YL;//释放者挂件（言灵）
        [SerializeField]
        private BaseHero m_Hero;//释放者（英雄）
        bool isEeach = false;//到达目标位置
        bool isFXSpawned = false; // 爆炸光效只生产一次
        [SerializeField]
        private Vector3 m_TargetPoint; //目标点
        [SerializeField]
        private string m_CurUseSkill;//当前技能ID
        Vector3 startPoint;//开始的点
        float timer = 0f; // 子弹生命周期计时
        ParticleSystem[] particles;//子弹粒子系统数组
        /// <summary>
        /// 初始化
        /// </summary>
        /// <param name="_YL">释放者挂件（言灵）</param>
        /// <param name="_hero">释放者（英雄）</param>
        /// <param name="_TargetPoint">目标点</param>
        /// <param name="_CurUseSkill">当前技能ID</param>
        public void init(BaseYLPartAdon _YL, BaseHero _hero, Vector3 _TargetPoint, string _CurUseSkill)
        {
            m_YL = _YL;
            m_Hero = _hero;
            m_TargetPoint = _TargetPoint;
            m_CurUseSkill = _CurUseSkill;
        }
        void Awake()
        {
            particles = GetComponentsInChildren<ParticleSystem>();


        }
        // Start is called before the first frame update
        void Start()
        {
            startPoint = transform.position;
        }

        void FixedUpdate()
        {
            if (isEeach)//如果到达目标位置
            {
                if (!isFXSpawned)//只执行一次爆炸生产
                {
                    //实例化克隆爆炸光效
                    Transform effobj = Instantiate(m_YL.m_FxManagerAdon.m_BombEff[0]);
                    if (!effobj.GetComponent<DestroyObjectDelayed>()) effobj.gameObject.AddComponent<DestroyObjectDelayed>();//添加延迟销毁脚本
                    effobj.position = m_TargetPoint;//设置爆炸位置
                    //设置言灵爆炸脚本
                    YLStarrySkyBomb skyBomb = effobj.gameObject.AddComponent<YLStarrySkyBomb>();
                    skyBomb.init(m_YL,m_Hero, m_YL.m_FxManagerAdon.m_AttackedEff[0], m_CurUseSkill);

                    effobj.gameObject.SetActive(true);

                    isFXSpawned = true;
                }

                // 不延迟则销毁
                if (!DelayDespawn || (DelayDespawn && (timer >= despawnDelay)))
                    OnProjectileDestroy();//销毁


            }
            else
            {
                Vector3 step = transform.forward * Time.deltaTime * velocity;//子弹步进
                transform.position += step;//向前步进
                //  如果到达目标位置，计算与目标对距离
                float distance = Vector3.Distance(startPoint, m_TargetPoint);//到达目标的距离
                float distance2 = Vector3.Distance(startPoint, transform.position);
                if (distance2 >= distance)
                {
                    isEeach = true;
                    if (DelayDespawn)//延迟重试
                    {
                        timer = 0f;
                        Delay();//碰撞后粒子延迟消逝
                    }
                }
                else
                {
                    // 生命周期到了则销毁
                    if (timer >= lifeTime)
                        OnProjectileDestroy();
                }
                
            }

            // Updates projectile timer
            timer += Time.deltaTime;
        }
        /// <summary>
        /// 子弹销毁
        /// </summary>
        void OnProjectileDestroy()
        {
            //销毁，后期改为对象池
            Destroy(this.gameObject);
            
        }
        /// <summary>
        /// 停止粒子释放并逐渐消逝
        /// </summary>
        void Delay()
        {
            if (particles.Length > 0)
            {
                for (int i = 0; i < particles.Length; i++)
                {
                    particles[i].Stop(false);
                }
            }
        }
    }
}