using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using UnityEngine;
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/// <summary>
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/// 回调通知函数
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="args"></param>
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/// <returns></returns>
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public delegate void DispatcherTimerEventHandler(object sender, EventArgs args);
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/// <summary>
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/// Unity中没有找到主线程Timer，模拟实现
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/// </summary>
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public class DispatcherTimer : IDisposable
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{
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//超过计时器间隔时发生。
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public DispatcherTimerEventHandler Tick = null;
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private string _Name = "unknow";
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private bool _Started = false; //是否已经开始
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private long _LastTicks = 0;
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//必须赋值一个特殊的名称，用于监控cpu占用
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public DispatcherTimer(string name)
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{
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_Name = name;
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DispatcherTimerDriver.AddTimer(this);
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}
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/// <summary>
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/// 计时器名称
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/// </summary>
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public string Name {
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get { return _Name; }
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set { _Name = value; }
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}
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private TimeSpan _Interval = TimeSpan.Zero;
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/// <summary>
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/// 设置计时器的时间间隔
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/// </summary>
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public TimeSpan Interval {
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get { return _Interval; }
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set { _Interval = value; }
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}
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/// <summary>
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/// 开始计时器
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/// </summary>
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public void Start()
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{
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_Started = true;
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_LastTicks = DateTime.Now.Ticks;
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}
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/// <summary>
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/// 停止计时器
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/// </summary>
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public void Stop()
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{
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_Started = false;
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}
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/// <summary>
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/// 执行与释放或重置非托管资源相关的应用程序定义的任务
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/// </summary>
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public void Dispose()
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{
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DispatcherTimerDriver.RemoveTimer(this);
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}
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/// <summary>
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/// 执行timer
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/// </summary>
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public void ExecuteTimer()
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{
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long ticks = DateTime.Now.Ticks;
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if (ticks - _LastTicks < _Interval.Ticks)
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{
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return;
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}
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_LastTicks = ticks;
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if (null != Tick)
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{
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long startTicks = DateTime.Now.Ticks / 10000;
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Tick(this, EventArgs.Empty);
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long elapsedTicks = (DateTime.Now.Ticks / 10000) - startTicks;
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if (elapsedTicks >= 100)
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{
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////DesignDebug.Log("DispatcherTimer.ExecuteTimer, Name=" + _Name + ", Used ticks=" + elapsedTicks);
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}
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}
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}
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}
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