/// <summary>Attempts to calculate what the remote offset should be based on the current ping</summary>
private void CalculateRemoteOffset()
{
// Check if we got a fixed offset
if (RemoteTickOffset > 0)
{
MDLog.Trace(LOG_CAT, $"Ping offset is set to be static at {RemoteTickOffset}");
CurrentRemoteTickOffsetTarget = RemoteTickOffset + OffsetBuffer;
return;
}
// Check if we got any ping
int HighestPing = (int)Mathf.Ceil(GameSynchronizer.GetMaxPlayerPing() * RemoteTickPingModifier);
if (HighestPing == 0)
{
CurrentRemoteTickOffsetTarget = MinimumOffset + OffsetBuffer;
MDLog.Trace(LOG_CAT, $"We got no ping setting offset to minimum offset of {MinimumOffset}");
return;
}
// Calculate offset based on ping
int newOffset = (int)Mathf.Ceil(HighestPing / TICK_INTERVAL_MILLISECONDS);
// If it is less than minimum set our target to minimum
if (newOffset <= MinimumOffset)
{
CurrentRemoteTickOffsetTarget = MinimumOffset + OffsetBuffer;
MDLog.Trace(LOG_CAT, $"Ping offset of {newOffset} is less than our minimum offset of {MinimumOffset}");
return;
}
// Calculate the difference between new and old
float difference = (float)(newOffset - CurrentRemoteTickOffset) / newOffset;
difference = Mathf.Abs(difference);
// Is the difference larger than our allowed tolerance?
if (Mathf.Abs(difference) >= RemoteTickPingTolerance)
{
MDLog.Trace(LOG_CAT,
$"Ping difference is too large adjust remote tick offset target from {CurrentRemoteTickOffsetTarget} to {newOffset}");
// We need to adjust the remote tick offset
CurrentRemoteTickOffsetTarget = newOffset + OffsetBuffer;
}
}
/// <summary>
/// Called when the ping timer times out, sends a ping request to the given client.
/// </summary>
public void OnPingTimerTimeout()
{
// Check if network is still active
if (!MDStatics.IsNetworkActive())
{
MDLog.Trace(LOG_CAT, $"Network is no longer active");
return;
}
// Send ping request
if (GameSynchronizer.GameClock == null)
{
GameSynchronizer.RpcId(PeerId, MDGameSynchronizer.METHOD_REQUEST_PING, OS.GetTicksMsec());
}
else
{
int maxPlayerPing = GameSynchronizer.GetMaxPlayerPing() + (int)Ping;
uint estimate = GameSynchronizer.GetPlayerTicksMsec(PeerId) + (uint)Ping;
GameSynchronizer.RpcId(PeerId, MDGameSynchronizer.METHOD_REQUEST_PING, OS.GetTicksMsec(), estimate,
GameSynchronizer.GameClock.GetTickAtTimeOffset(Ping), maxPlayerPing);
}
}
