private void DoNormalUpdate()
{
//make sure client is not move ahead too much than server
var maxContinueServerTick = _cmdBuffer.MaxContinueServerTick;
if ((_world.Tick - maxContinueServerTick) > MaxPredictFrameCount)
{
return;
}
var minTickToBackup = (maxContinueServerTick - (maxContinueServerTick % snapshotFrameInterval));
// Pursue Server frames
var deadline = LTime.realtimeSinceStartupMS + MaxSimulationMsPerFrame;
while (_world.Tick < _cmdBuffer.CurTickInServer)
{
var tick = _world.Tick;
var sFrame = _cmdBuffer.GetServerFrame(tick);
if (sFrame == null)
{
OnPursuingFrame();
return;
}
_cmdBuffer.PushLocalFrame(sFrame);
Simulate(sFrame, tick == minTickToBackup);
if (LTime.realtimeSinceStartupMS > deadline)
{
OnPursuingFrame();
return;
}
}
if (_constStateService.IsPursueFrame)
{
_constStateService.IsPursueFrame = false;
EventHelper.Trigger(EEvent.PursueFrameDone);
}
// Roll back
if (_cmdBuffer.IsNeedRollback)
{
RollbackTo(_cmdBuffer.NextTickToCheck, maxContinueServerTick);
CleanUselessSnapshot(System.Math.Min(_cmdBuffer.NextTickToCheck - 1, _world.Tick));
minTickToBackup = System.Math.Max(minTickToBackup, _world.Tick + 1);
while (_world.Tick <= maxContinueServerTick)
{
var sFrame = _cmdBuffer.GetServerFrame(_world.Tick);
Logging.Debug.Assert(sFrame != null && sFrame.tick == _world.Tick,
$" logic error: server Frame must exist tick {_world.Tick}");
_cmdBuffer.PushLocalFrame(sFrame);
Simulate(sFrame, _world.Tick == minTickToBackup);
}
}
//Run frames
while (_world.Tick <= TargetTick)
{
var curTick = _world.Tick;
ServerFrame frame = null;
var sFrame = _cmdBuffer.GetServerFrame(curTick);
if (sFrame != null)
{
frame = sFrame;
}
else
{
var cFrame = _cmdBuffer.GetLocalFrame(curTick);
FillInputWithLastFrame(cFrame);
frame = cFrame;
}
_cmdBuffer.PushLocalFrame(frame);
Predict(frame, true);
}
_hashHelper.CheckAndSendHashCodes();
}
