/// <summary>
/// ZWN-XHJ
/// 20210928
/// </summary>
using System.Collections.Generic;

using UnityEngine;
using UnityEngine.UI;


public class squat_down : MonoBehaviour
{
    float squat_scale = 0.85f;
    bool squat_stay;
    private string str_test;//提示相关
    private float BASE_HEIGHT = 0;//高度计算
    bool even_pose = false;
    private float this_height;
    float current_height;
    Vector3 head, right_ankle, left_ankle, right_ankle_last, left_ankle_last;
    public static squat_down single;
    void Awake()
    {
        if (stay_hight == null) stay_hight = new List<float>();
        stay_hight.Add(0);
        single = this;
        squat_scale = 0.85f;
    }
    /* public Text cur_text;*/
    /*    public human_area cur_human;*/
    /*    void Update()
        {
            //初始化
            if (cur_human.human_area_true() == 0 && !squat_stay && !even_pose)
            {
                squat_stay = true;
            }
            log_height();


           int num=keep_down();//检测状态
        }*/

    bool stand = true;
    public List<float> stay_hight;
    float ave_hight;
    /// <summary>
    /// 检测状态
    /// -1:站起
    /// 1:蹲下
    /// </summary>
    public int keep_down()
    {
        if (!even_pose)
        {
            even_pose = true;
        }
        if (even_pose)
        {
            if (squat_stay)
            {
                squat_stay = false;
            }
            head = common_data.single.zwn_single_vec[1];
            right_ankle = common_data.single.zwn_single_vec[15];
            left_ankle = common_data.single.zwn_single_vec[16];

            if (right_ankle.y != -1 && left_ankle.y != -1)
            {
                this_height = Mathf.Max(Mathf.Abs(Mathf.Abs(head.y) - Mathf.Abs(right_ankle.y)), Mathf.Abs(Mathf.Abs(head.y) - Mathf.Abs(left_ankle.y)));
                current_height = this_height;
                right_ankle_last = right_ankle;
                left_ankle_last = left_ankle;
            }
            else
            {
                this_height = Mathf.Max(Mathf.Abs(Mathf.Abs(head.y) - Mathf.Abs(right_ankle_last.y)), Mathf.Abs(Mathf.Abs(head.y) - Mathf.Abs(left_ankle_last.y)));
                current_height = this_height;
            }

            if (even_pose)
            {
                //检测蹲下中
                if (stay_hight.Count > 0)
                {
                    BASE_HEIGHT = 0;
                    stay_hight.Clear();
                }
                if (this_height < ave_hight * squat_scale)//蹲下
                {
                    if (stand)
                    {
                        /*      str_test = "蹲下";*/
                        stand = false;
                    }
                }
                else
                {
                    if (!stand)
                    {
                        /*    str_test = "站起";*/
                        stand = true;
                    }
                }
                /*
                                print("蹲下检测:" + str_test);
                                cur_text.text = "蹲下检测:" + str_test + "\n" + this_height + "\n" + ave_hight * squat_scale;*/
            }
        }
        else
        {
            if (!stand)
            {
                /*        str_test = "站起";*/
                stand = true;
            }
        }
        if (stand)
        {
            return -1;
        }
        else
        {
            return 1;
        }
    }

    /*    public float time;*/
    /// <summary>
    /// 检测到人在框内后(321)需调用
    /// </summary>
    public void log_height()
    {
        if (!squat_stay)
        {
            squat_stay = true;
        }
        if (squat_stay)
        {
            if (!stand)
            {
                stand = true;
            }
            head = common_data.single.zwn_single_vec[1];
            right_ankle = common_data.single.zwn_single_vec[15];
            left_ankle = common_data.single.zwn_single_vec[16];
            if (right_ankle.y != -1 && left_ankle.y != -1)
            {
                this_height = Mathf.Max(Mathf.Abs(Mathf.Abs(head.y) - Mathf.Abs(right_ankle.y)), Mathf.Abs(Mathf.Abs(head.y) - Mathf.Abs(left_ankle.y)));
                current_height = this_height;
                right_ankle_last = right_ankle;
                left_ankle_last = left_ankle;
            }
            else
            {
                this_height = Mathf.Max(Mathf.Abs(Mathf.Abs(head.y) - Mathf.Abs(right_ankle_last.y)), Mathf.Abs(Mathf.Abs(head.y) - Mathf.Abs(left_ankle_last.y)));
                current_height = this_height;
                this_height = current_height;
            }
            if (this_height > 0 && BASE_HEIGHT == 0)
            {
                BASE_HEIGHT = this_height;
            }
            else
            {
                stay_hight.Add(current_height);
                if (stay_hight.Count > 10)
                {
                    ave_hight = 0;
                    for (int i = 0; i < stay_hight.Count; i++)
                    {
                        ave_hight += stay_hight[i];
                    }
                    ave_hight = ave_hight / stay_hight.Count;
                    stay_hight.Remove(stay_hight[0]);
                }
            }
            /*  print("等待身高:" + ave_hight);
              cur_text.text = "等待身高:" + ave_hight;
              time += Time.deltaTime;
              if (time >= 3)
              {
                  if (!even_pose)
                  {
                      even_pose = true;
                  }
              }*/
        }
    }
}