private void DoClientUpdate()
{
int maxRollbackCount = 5;
if (_isDebugRollback && _world.Tick > maxRollbackCount && _world.Tick % maxRollbackCount == 0)
{
var rawTick = _world.Tick;
var revertCount = LRandom.Range(1, maxRollbackCount);
for (int i = 0; i < revertCount; i++)
{
var input = new Msg_PlayerInput(_world.Tick, LocalActorId, _inputService.GetDebugInputCmds());
var frame = new ServerFrame()
{
tick = rawTick - i,
_inputs = new Msg_PlayerInput[] { input }
};
_cmdBuffer.ForcePushDebugFrame(frame);
}
_debugService.Trace("RollbackTo " + (_world.Tick - revertCount));
if (!RollbackTo(_world.Tick - revertCount, _world.Tick))
{
_commonStateService.IsPause = true;
return;
}
while (_world.Tick < rawTick)
{
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);
if (_commonStateService.IsPause)
{
return;
}
}
}
while (_world.Tick < TargetTick)
{
FramePredictCount = 0;
var input = new Msg_PlayerInput(_world.Tick, LocalActorId, _inputService.GetInputCmds());
var frame = new ServerFrame()
{
tick = _world.Tick,
_inputs = new Msg_PlayerInput[] { input }
};
_cmdBuffer.PushLocalFrame(frame);
_cmdBuffer.PushServerFrames(new ServerFrame[] { frame });
Simulate(_cmdBuffer.GetFrame(_world.Tick));
if (_commonStateService.IsPause)
{
return;
}
}
}
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();
}
