public void AbandonRider(RideProcessor rp)
{
try
{
_RaceSpotLock.EnterWriteLock();
// set this rider as abandoned
_RaceSpots[rp.UserId].a = true;
// Remove the handlers
rp.RiderInactiveEvent -= this.AbandonRider;
rp.SpotDataEvent -= this.UpdateSpotData;
}
finally
{
Debug.WriteLine("Rider Abandoned " + this.Race.Name + " " + rp.UserId);
_RaceSpotLock.ExitWriteLock();
}
}
private RideProcessor ActivateUserRider(string userId)
{
RideProcessor processor = null;
try
{
_rideProcessLock.EnterWriteLock();
// rideprocessor lock should already be in write mode
processor = new RideProcessor(userId);
// check if already registered
if (!_RideProcessors.ContainsKey(userId)) {
_RideProcessors.Add(userId, processor);
}
}
finally
{
_rideProcessLock.ExitWriteLock();
}
return processor;
}
public void UpdateSpotData(RideProcessor rideProcessor)
{
// This method is called by any attached ride processor
// ride processor is only attached at race start if rider status flag is set
// to started, so we can update spots without checking started flag here
try
{
_SpotLock.EnterWriteLock();
// return true if finished
Spot sp = rideProcessor.SpotData;
// careful here - it's possible for sp.t to have been set before the racestartticks
// due to locking, so we have to allow for deltaticks to be negative
// which, as this is all unsigned, with give a massive number!!
// only process if sp.t > _racestartticks
if (sp.t > _raceStartTicks)
{
if (IsRiderFinished(sp.id))
{
rideProcessor.SpotDataEvent -= this.UpdateSpotData;
rideProcessor.RiderInactiveEvent -= this.AbandonRider;
}
else
{
_Spots[sp.id] = sp;
}
}
}
finally
{
_SpotLock.ExitWriteLock();
}
}