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

namespace XGame
{
    public class XProgress 
    {
        Transform m_trLoading = null;
        Slider m_Slider;
        int m_Aim = 0;
        int m_Cur = 0;
        float m_fLastTime = 0;
        //float m_fTimePerOne;

        bool m_bShow = false;

        public XProgress()
        {
            GameObject obj = GameObject.Find("Main");
            Transform tr = obj.transform;
            for (int i = 0; i < tr.childCount; ++i)
            {
                Transform child = tr.GetChild(i);
                if (child.name == "Loading")
                {
                    m_trLoading = child;
                    break;
                }
            }
            m_trLoading.gameObject.SetActive(m_bShow);
            if (m_trLoading != null)
            {
                for (int i = 0; i < m_trLoading.childCount; ++i)
                {
                    Transform child = m_trLoading.GetChild(i);
                    m_Slider = child.GetComponent<Slider>();
                    if (m_Slider != null)
                    {
                        m_Slider.maxValue = 100;
                        m_Slider.minValue = 0;
                        break;
                    }
                }
            }
        }
        // Start is called before the first frame update
        public void Show(bool bShow)
        {
            m_bShow = bShow;
        }
        public void ChangeSlider(Slider slider)
        {
            m_Slider = slider;
        }

        //1-100
        public void Set(int percent)
        {
            if (!m_bShow)
                return;
            if (m_Cur == 0 && percent > 0)
            {//第一次
                m_trLoading.gameObject.SetActive(true);
                m_fLastTime = Time.realtimeSinceStartup;
                //m_fTimePerOne = 0.1f;
                m_Cur = 1;
            }
            else if (percent < m_Cur)
            {
                m_Cur = percent;
            }
            m_Aim = percent;
        }
        // Update is called once per frame
        public void Update()
        {
            if (m_Cur >= 100)
            {
                m_trLoading.gameObject.SetActive(false);
                m_Cur = 0;
                m_Aim = 0;
            }
            else if (m_Aim > 0)
            {//进行中
                if (m_Aim > m_Cur)
                {
                    if (m_Aim - m_Cur > 10)
                        m_Cur += (m_Aim - m_Cur)/10;
                    else
                        m_Cur++;
                    if (m_Slider != null)
                    {
                        m_Slider.value = m_Cur;
                    }
                }
            }
        }
    }
}