using System.Collections;
using System.Collections.Generic;
using UnityEngine;


public class BreakAbleObstacle : Obstacle
{

    [Header("要破坏可破坏障碍物，需要多大的水平速度")]
    public float breakSpeedThreshold = 1f;

    [Header("爆破碎片飞出时有多大力")]
    public float breakForce = 1f;




    private Explodable explodable;
    private ExplosionForce explosionForce;
    private AudioSource audioSource;



    protected override void FindSth()
    {
        base.FindSth();
        explodable = transform.Find("Obstacle").GetComponent<Explodable>();
        explosionForce = transform.Find("Force").GetComponent<ExplosionForce>();
        audioSource = GetComponent<AudioSource>();
    }

    void OnTriggerEnter2D(Collider2D other) {
        if(other.tag == "HorseHead")
        {
            if(other.transform.parent.tag != "Horse")
                Debug.LogWarning("用于检查可破碎障碍物的触发器捕获到了马头，但是通过马头没有找到马，很可能是马的树状结构或者tag的赋予上出了问题");
            CheckHorseSpeed(other.transform.parent);
        }
    }

    void CheckHorseSpeed(Transform horse)
    {
        if(horse.GetComponent<Rigidbody2D>().velocity.x > breakSpeedThreshold)
            BreakObstacle(horse);
    }

    /// <summary>
    /// 破碎障碍物
    /// </summary>
    void BreakObstacle(Transform horse)
    {
        explodable.explode();
        float force = horse.GetComponent<Horse>().footInputCharge * breakForce;
        Debug.Log("Force:" + force);
        explosionForce.force = force;
        explosionForce.doExplosion(explosionForce.transform.position);
        GetComponent<BoxCollider2D>().enabled = false;

        horse.GetComponent<Rigidbody2D>().velocity = Vector2.zero;

        //
        audioSource.Play();

        //
        transform.Find("破碎灰尘").GetComponent<ParticleSystem>().Play();

        //触发红黑闪特效
        GameObject flash = Camera.main.transform.Find("红黑闪").gameObject;
        flash.SetActive(true);
        ActionController.Instance.DelayToCall(
            () => {
                flash.SetActive(false);
            },0.3f
        );

    }
}