using System.Collections.Generic;
using UnityEngine;


/// <summary>
/// 热力图管理
/// </summary>
public class HeatMapPoints : MonoBehaviour
{
    static HeatMapPoints _inst;
    public static HeatMapPoints Inst
    {
        get
        {
            if (_inst == null)
            {
                _inst = FindObjectOfType<HeatMapPoints>();
                if (_inst == null)
                {
                    GameObject singletonObject = new GameObject();
                    _inst = singletonObject.AddComponent<HeatMapPoints>();
                    singletonObject.name = typeof(HeatMapPoints).ToString() + " (热力图管理)";
                }
            }
            return _inst;
        }
    }

    /// <summary>
    /// 热力图点位
    /// </summary>
    public Transform myTransform;
    ///// <summary>
    ///// 点位列表
    ///// </summary>
    //public List<Transform> points = new List<Transform>();
    /// <summary>
    /// 热力图脚本
    /// </summary>
    public HeatMapComponent heatMapComponent;
    /// <summary>
    /// 点位预制体
    /// </summary>
    public Transform prefab;



    private void Awake()
    {
        if (_inst != null && _inst != this)
        {
            Destroy(this.gameObject);
        }
        else
        {
            _inst = this;
            DontDestroyOnLoad(this.gameObject);
        }
    }
    // Start is called before the first frame update
    void Start()
    {

    }

    // Update is called once per frame
    void Update()
    {

    }


    [ContextMenu("生成热力图组件")]
    public void F1()
    {
        if (myTransform == null)
            return;
        if (!prefab || TransparentGlowManage.Inst.points.Count == 0 || heatMapComponent == null || heatMapComponent.impactFactors.Count != 0)
            return;
        for (int i = 0; i < TransparentGlowManage.Inst.points.Count - 1; i++)
        {
            Transform t = GameObject.Instantiate(prefab);
            t.SetParent(myTransform);
        }
        for (int i = 0; i < myTransform.childCount; i++)
        {
            myTransform.GetChild(i).position = TransparentGlowManage.Inst.points[i].position;
            myTransform.GetChild(i).localEulerAngles = TransparentGlowManage.Inst.points[i].localEulerAngles;
        }
        if (heatMapComponent == null)
            return;
        for (int i = 0; i < myTransform.childCount; i++)
        {
            HeatMapFactor heatMapFactor = myTransform.GetChild(i).GetComponent<HeatMapFactor>();
            heatMapComponent.impactFactors.Add(heatMapFactor);
        }
    }

    [ContextMenu("清除")]
    void Delate()
    {
        if (myTransform == null || myTransform.childCount == 1)
            return;
        for (int i = 1; i < myTransform.childCount; i++)
        {
            GameObject.DestroyImmediate(myTransform.GetChild(i).gameObject);
        }
        heatMapComponent.impactFactors.Clear();
        Delate();
    }

}