public static void UpdateLoop()
{
#if CATCHERROR_UPDATELOOP
try
{
#endif
if (Terraria_Server.Main.rand == null)
{
Terraria_Server.Main.rand = new Random((int)DateTime.Now.Ticks);
}
bool hibernate = properties.StopUpdatesWhenEmpty, backup = false;
int collect = 0, backupInterval = properties.BackupInterval;
DateTime backupDate = DateTime.Now;
if (backupInterval > 0)
{
backup = properties.AllowBackups;
}
if (properties.SimpleLoop)
{
Stopwatch s = new Stopwatch();
s.Start();
double updateTime = 16.66666666666667;
double nextUpdate = s.ElapsedMilliseconds + updateTime;
while (!NetPlay.disconnect)
{
double now = s.ElapsedMilliseconds;
double left = nextUpdate - now;
if (left >= 0)
{
while (left > 1)
{
Thread.Sleep((int)left);
left = nextUpdate - s.ElapsedMilliseconds;
}
nextUpdate += updateTime;
}
else
{
nextUpdate = now + updateTime;
}
if (NetPlay.anyClients || (hibernate == false))
{
var start = s.Elapsed;
Terraria_Server.Main.Update(s);
LastUpdateTime = s.Elapsed - start;
}
if (collect++ >= 1000) //Every 1000 loops should be less intensive.
{
if (properties.CollectGarbage)
{
GC.Collect();
}
collect = 0;
}
/* Check tolled tasks */
Tasks.CheckTasks();
if ((DateTime.Now - backupDate).TotalMinutes >= backupInterval && backup)
{
backupDate = DateTime.Now;
try
{
BackupManager.AutoPurge();
BackupManager.PerformBackup();
}
catch (Exception e)
{
ProgramLog.Error.Log(
String.Format("Error during the backup process.\n{0}", e)
);
}
}
}
return;
}
double serverProcessAverage = 16.666666666666668;
double leftOver = 0.0;
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
while (!NetPlay.disconnect)
{
double elapsed = (double)stopwatch.ElapsedMilliseconds;
if (elapsed + leftOver >= serverProcessAverage)
{
leftOver += elapsed - serverProcessAverage;
stopwatch.Reset();
stopwatch.Start();
if (leftOver > 1000.0)
{
leftOver = 1000.0;
}
if (NetPlay.anyClients || (hibernate == false))
{
Terraria_Server.Main.Update(stopwatch);
}
double num9 = (double)stopwatch.ElapsedMilliseconds + leftOver;
if (num9 < serverProcessAverage)
{
int num10 = (int)(serverProcessAverage - num9) - 1;
if (num10 > 1)
{
Thread.Sleep(num10);
if (hibernate && !NetPlay.anyClients)
{
leftOver = 0.0;
Thread.Sleep(10);
}
}
}
/* Check tolled tasks */
Tasks.CheckTasks();
if (collect++ >= 1000) //Every 1000 loops should be less intensive.
{
if (properties.CollectGarbage)
{
GC.Collect();
}
collect = 0;
}
if ((DateTime.Now - backupDate).TotalMinutes >= backupInterval && backup)
{
backupDate = DateTime.Now;
ProgramLog.Log("Performing backup...");
BackupManager.PerformBackup();
}
}
Thread.Sleep(0);
}
#if CATCHERROR_UPDATELOOP
}
catch (Exception e)
{
ProgramLog.Log(e, "World update thread crashed");
}
#endif
}
