/// <summary>
/// Creates a new subspace and sets its message queue from a past subspace.
/// Must be called AFTER the subspace is created in the warp context.
/// </summary>
public static void CreateNewSubspace(int subspaceId)
{
//If the new subspace is the most advanced in time skip all this method
if (!WarpSystem.GetFutureSubspaces(subspaceId).Any())
{
return;
}
var pastSubspaces = WarpSystem.GetPastSubspaces(subspaceId);
if (pastSubspaces.Any())
{
//Here we get the PAST subspace that is closest in time to the one we got as parameter
var closestPastSubspace = WarpContext.Subspaces
.Where(s => pastSubspaces.Contains(s.Key))
.OrderByDescending(s => s.Value)
.Select(s => s.Key)
.First();
//Now we are going to get all the messages from that PAST subspace and remove the ones that are too old for our new subspace.
//Te idea is that we are going to use a queue with a lot of messages that came from future and use for our new subspace
//But in that queue there might be messages that are too old so we can remove them to save space
var subspaceTime = WarpSystem.GetCurrentSubspaceTime(subspaceId);
var messageQueue = DbCollection.Find(v => v.SubspaceId == closestPastSubspace && v.Msg.SentTime < subspaceTime).ToList();
//Once we've got the queue clean of old messages we add it do the db
//so the future subspaces fill up our queue.
messageQueue.ForEach(m => m.SubspaceId = subspaceId);
DbCollection.InsertBulk(messageQueue);
DbCollection.EnsureIndex(x => x.Id);
DbCollection.EnsureIndex(x => x.SubspaceId);
DbCollection.EnsureIndex(x => x.GameTime);
}
}
/// <summary>
/// Creates a new subspace and sets its message queue from a past subspace.
/// Must be called AFTER the subspace is created in the warp context.
/// </summary>
public static void CreateNewSubspace(int subspaceId)
{
//If the new subspace is the most advanced in time skip all this method
if (!WarpSystem.GetFutureSubspaces(subspaceId).Any())
{
return;
}
var pastSubspaces = WarpSystem.GetPastSubspaces(subspaceId);
if (pastSubspaces.Any())
{
//Here we get the PAST subspace that is closest in time to the one we've got as a parameter
var closestPastSubspace = WarpContext.Subspaces
.Where(s => pastSubspaces.Contains(s.Key))
.OrderByDescending(s => s.Value)
.Select(s => s.Key)
.First();
//Now we clone it's message queue
if (OldSubspaceVesselMessages.TryGetValue(closestPastSubspace, out var vesselsAndQueues))
{
foreach (var vesselQueue in vesselsAndQueues)
{
var messageQueue = vesselQueue.Value.CloneConcurrentQueue();
//As we cloned a queue from a PAST subspace, we may have many messages
//that are TOO OLD as we are in a future subspace. Therefore, we remove the old
//messages for this subspace
var subspaceTime = WarpSystem.GetCurrentSubspaceTime(subspaceId);
while (messageQueue.TryDequeue(out var relayItem))
{
if (relayItem.Msg.SentTime >= subspaceTime)
{
break;
}
}
//Once we've got the queue clean of old messages we add it do the dictionary
//so the future subspaces fill up our queue.
OldSubspaceVesselMessages.TryAdd(subspaceId, new ConcurrentDictionary <Guid, ConcurrentQueue <VesselRelayItem> >
{
[vesselQueue.Key] = messageQueue
});
}
}
}
}
/// <summary>
/// This method relays a message to the other clients in the same subspace.
/// In case there are other players in OLDER subspaces it stores it in their queue for further processing
/// </summary>
public static void HandleVesselMessage(ClientStructure client, dynamic msg)
{
if (client.Subspace == -1)
{
return;
}
var vesselId = (Guid)msg.VesselId;
var gameTime = (double)msg.GameTime;
MessageQueuer.RelayMessageToSubspace <VesselSrvMsg>(client, msg);
if (GeneralSettings.SettingsStore.ShowVesselsInThePast)
{
//Here we send this update to all the players in the FUTURE
foreach (var subspace in WarpSystem.GetFutureSubspaces(client.Subspace))
{
MessageQueuer.RelayMessageToSubspace <VesselSrvMsg>(client, msg, subspace);
}
}
if (!VesselRelaySystem.ShouldStoreMessage(vesselId))
{
return;
}
//In case the client is running in the future here we adjust the real sent time of the message
msg.SentTime += WarpSystem.GetSubspaceTimeDifference(client.Subspace);
foreach (var subspace in WarpSystem.GetPastSubspaces(client.Subspace))
{
var vesselsAndQueues = OldSubspaceVesselMessages.GetOrAdd(subspace, new ConcurrentDictionary <Guid, ConcurrentQueue <VesselRelayItem> >());
var vesselQueue = vesselsAndQueues.GetOrAdd(vesselId, new ConcurrentQueue <VesselRelayItem>());
//This is the case when a user reverted (the message received has a game time LOWER than the last message received).
//To handle this, we remove all the messages that we received UNTIL this revert.
if (vesselQueue.LastOrDefault()?.GameTime > gameTime)
{
while (vesselQueue.TryPeek(out var peekValue) && peekValue.GameTime > gameTime)
{
vesselQueue.TryDequeue(out _);
}
}
vesselQueue.Enqueue(new VesselRelayItem(subspace, vesselId, gameTime, msg));
}
}
/// <summary>
/// This method relays a message to the other clients in the same subspace.
/// In case there are other players in OLDER subspaces it stores it in their queue for further processing
/// </summary>
public static void HandleVesselMessage(ClientStructure client, dynamic msg)
{
if (client.Subspace == -1)
{
return;
}
var vesselId = (Guid)msg.VesselId;
var gameTime = (double)msg.GameTime;
MessageQueuer.RelayMessageToSubspace <VesselSrvMsg>(client, msg);
if (GeneralSettings.SettingsStore.ShowVesselsInThePast)
{
foreach (var subspace in WarpSystem.GetFutureSubspaces(client.Subspace))
{
MessageQueuer.RelayMessageToSubspace <VesselSrvMsg>(client, msg, subspace);
}
}
if (!VesselRelaySystem.ShouldStoreMessage(vesselId))
{
return;
}
//The client is running in the future so here we adjust the real sent time of the message
msg.SentTime += WarpSystem.GetSubspaceTimeDifference(client.Subspace);
foreach (var subspace in WarpSystem.GetPastSubspaces(client.Subspace))
{
//This is the case when a user reverted (the message received has a game time LOWER than the last message received).
//To handle this, we remove all the messages that we received UNTIL this revert.
if (DbCollection.Exists(x => x.VesselId == vesselId && x.GameTime > gameTime))
{
DbCollection.Delete(x => x.VesselId == vesselId && x.GameTime > gameTime);
DataBase.Shrink();
}
DbCollection.Insert(new VesselRelayDbItem(subspace, vesselId, gameTime, msg));
}
DbCollection.EnsureIndex(x => x.Id);
DbCollection.EnsureIndex(x => x.SubspaceId);
DbCollection.EnsureIndex(x => x.VesselId);
DbCollection.EnsureIndex(x => x.GameTime);
}
