/// <summary>
// 统计最近10秒内的 平均FPS和CPU睡眠时间，反映当前进程状态
/// </summary>
/// <param name="frameCount">1秒内的帧数</param>
/// <param name="sleepTime">1秒内睡眠时间</param>
private FpsAndCpuInfo RecordFPSAndCpuInfo(int frameCount, int sleepTime)
{
//10秒一个周期 记录平均值
if (_statTime < 10)
{
_statFrames += frameCount;
_statSleepTime += sleepTime;
_statTime++;
}
else
{
_averageFramesPerSecond = (int)_statFrames / _statTime;
_averageSleepTimePerSecond = (int)_statSleepTime / _statTime;
FpsAndCpuInfo msg = new FpsAndCpuInfo();
msg.fps = _averageFramesPerSecond;
msg.sleepTime = _averageSleepTimePerSecond;
Process proc = Process.GetCurrentProcess();
msg.memorySize = (long)(proc.PrivateMemorySize64 / (1024 * 1024));
_statTime = 0;
_statFrames = 0;
_statSleepTime = 0;
return(msg);
}
return(_msg);
}
/// <summary>
/// 设置帧结束点
/// </summary>
public void SetFrameEnd()
{
DateTime curTime = DateTime.Now;
_curFrameEndTime = curTime;
_lastUpdateTime = _curFrameEndTime;
_nextUpdateTime = _lastUpdateTime.AddMilliseconds(Math.Max((TimePerFrame - (curTime - _curFrameBeginTime).TotalMilliseconds), 0));
if ((curTime - _flagStartTime).TotalSeconds > 1)
{
//以1秒为周期进行记录
_msg = RecordFPSAndCpuInfo(_frames, (int)_sleepTimes);
_flagStartTime = curTime;
_sleepTimes = 0;
_frames = 0;
}
}
/// <summary>
/// 初始化
/// </summary>
public void Init()
{
_now = DateTime.Now;
_flagStartTime = Now;
_lastUpdateTime = Now;
_nextUpdateTime = Now;
_curFrameBeginTime = Now;
_curFrameEndTime = Now;
_frames = 0;
_sleepTimes = 0;
_statTime = 0;
_statFrames = 0;
_statSleepTime = 0;
_averageFramesPerSecond = 0;
_averageSleepTimePerSecond = 0;
_msg = null;
_timePerFrame = ONESECOND / FPS;
}
public void ClearFPSAndCpuInfo()
{
_msg = null;
}
