/// <summary>
/// This method adjust the extra interpolation duration in case we are lagging or too advanced.
/// The idea is that we replay the message at the correct time that is GameTimeWhenMessageWasSent+InterpolationOffset
/// In order to adjust we increase or decrease the interpolation duration so next packet matches the time more perfectly
/// </summary>
public void AdjustExtraInterpolationTimes()
{
TimeDifference = TimeSyncSystem.UniversalTime - GameTimeStamp - VesselCommon.PositionAndFlightStateMessageOffsetSec(PingSec);
if (WarpSystem.Singleton.CurrentlyWarping || SubspaceId == -1)
{
//This is the case when the message was received while warping or we are warping.
/* We are warping:
* While WE warp if we receive a message that is from before our time, we want to skip it as fast as possible!
* If the packet is in the future then we must interpolate towards it
*
* Player was warping:
* The message was received when HE was warping. We don't know his final subspace time BUT if the message was sent
* in a time BEFORE ours, we can skip it as fast as possible.
* If the packet is in the future then we must interpolate towards it
*
* Bear in mind that even if the interpolation against the future packet is long because he is in the future,
* when we stop warping this method will be called
*
* Also, we don't remove messages if we are close to the min recommended value
*
*/
if (TimeDifference > 0)
{
//This means that we are behind and we must consume the message fast
CurrentFrame = float.MaxValue;
}
else
{
ExtraInterpolationTime = GetInterpolationFixFactor();
}
}
else
{
//This is the easiest case, the message comes from the same or a past subspace
//IN past or same subspaces we want to be SettingsSystem.CurrentSettings.InterpolationOffset seconds BEHIND the player position
if (WarpSystem.Singleton.SubspaceIsInThePast(SubspaceId))
{
/* The subspace is in the past so REMOVE the difference to normalize it
* Example: P1 subspace is +7 seconds. Your subspace is + 30 seconds
* Packet TimeDifference will be 23 seconds but in reality it should be 0
* So, we remove the time difference between subspaces (30 - 7 = 23)
* And now the TimeDifference - 23 = 0
*/
var timeToAdd = Math.Abs(WarpSystem.Singleton.GetTimeDifferenceWithGivenSubspace(SubspaceId));
TimeDifference -= timeToAdd;
}
ExtraInterpolationTime = (TimeDifference > 0 ? -1 : 1) * GetInterpolationFixFactor();
}
}
private static bool PositionUpdateIsTooOld(VesselPositionUpdate update)
{
return(update.GameTimeStamp < TimeSyncSystem.UniversalTime - VesselCommon.PositionAndFlightStateMessageOffsetSec(update.PingMs));
}