internal bool Join(ClientSession session)
{
session.Connection.OnDisconnected -= this.OnCreatorDisconnectEarly;
MatchListingJoinStatus canJoinStatus = this.CanJoin(session);
if (canJoinStatus != MatchListingJoinStatus.Success)
{
return(false);
}
if (!this._Clients.TryAdd(session))
{
return(false);
}
session.LobbySession.MatchListing = this;
session.LobbySession.RemoveMatch(this);
//Send the other clients
foreach (ClientSession other in this._Clients.Sessions.OrderBy((c) => c == session))
{
session.TrackUserInRoom(this.Name, other.SocketId, other.UserData.Id, other.UserData.Username, other.GetVars("userName", "rank", "hat", "head", "body", "feet", "hatColor", "headColor", "bodyColor", "feetColor", "socketID", "ping"));
other.TrackUserInRoom(this.Name, session.SocketId, session.UserData.Id, session.UserData.Username, session.GetVars("userName", "rank", "hat", "head", "body", "feet", "hatColor", "headColor", "bodyColor", "feetColor", "socketID", "ping"));
}
foreach (ClientSession other in this.LobbyClients.Sessions)
{
other.TrackUserInRoom(this.Name, session.SocketId, session.UserData.Id, session.UserData.Username, session.GetVars("userName", "rank", "hat", "head", "body", "feet", "hatColor", "headColor", "bodyColor", "feetColor", "socketID", "ping"));
}
uint currentHost = this._HostSocketId;
if (this.Type == MatchListingType.Normal && (currentHost == session.SocketId || (currentHost == 0 && Interlocked.CompareExchange(ref this._HostSocketId, session.SocketId, currentHost) == currentHost)))
{
session.SendPacket(new MatchOwnerOutgoingMessage(this.Name, true, true, true));
}
else if (!session.IsGuest)
{
bool play = session.HasPermissions(Permissions.ACCESS_FORCE_START_ANY_MATCH_LISTING);
bool kick = session.HasPermissions(Permissions.ACCESS_KICK_ANY_MATCH_LISTING);
bool ban = session.HasPermissions(Permissions.ACCESS_BAN_ANY_MATCH_LISTING);
if (play || kick || ban)
{
session.SendPacket(new MatchOwnerOutgoingMessage(this.Name, play, kick, ban));
}
}
this.TryStartFull();
return(true);
}
internal MatchListing Join(ClientSession session, string roomName, out MatchListingJoinStatus status)
{
status = MatchListingJoinStatus.Failed;
if (this.MatchListings.TryGetValue(roomName, out MatchListing matchListing))
{
if (session.LobbySession.MatchListing == null)
{
status = matchListing.Join(session);
if (status == MatchListingJoinStatus.Success)
{
return(matchListing);
}
}
else if (session.LobbySession.MatchListing == matchListing)
{
status = MatchListingJoinStatus.Success;
return(matchListing);
}
}
return(null);
}
internal MatchListingJoinStatus Join(ClientSession session)
{
if (!this._Clients.Contains(session))
{
MatchListingJoinStatus canJoinStatus = this.CanJoin(session);
if (canJoinStatus != MatchListingJoinStatus.Success)
{
return canJoinStatus;
}
while (true) //Concurrency complexity
{
int spotsLeft = this._SpotsLeft;
if (spotsLeft > 0)
{
if (Interlocked.CompareExchange(ref this._SpotsLeft, spotsLeft - 1, spotsLeft) == spotsLeft)
{
break;
}
}
else
{
//We are assuming if spotsLeft is int.MinValue it means the match has been started or is in progress of starting
return spotsLeft == MatchListing.SPOTS_LEFT_GAME_STARTED ? MatchListingJoinStatus.Started : MatchListingJoinStatus.Full;
}
}
if (this._Clients.Add(session))
{
session.OnDisconnect -= this.OnCreatorDisconnectEarly;
session.LobbySession.MatchListing = this;
session.LobbySession.RemoveMatch(this);
//Send the other clients
foreach (ClientSession other in this._Clients.Values.OrderBy((c) => c == session))
{
session.TrackUserInRoom(this.Name, other.SocketId, other.UserData.Id, other.UserData.Username, other.GetVars("userName", "rank", "hat", "head", "body", "feet", "hatColor", "headColor", "bodyColor", "feetColor", "socketID", "ping"));
other.TrackUserInRoom(this.Name, session.SocketId, session.UserData.Id, session.UserData.Username, session.GetVars("userName", "rank", "hat", "head", "body", "feet", "hatColor", "headColor", "bodyColor", "feetColor", "socketID", "ping"));
}
foreach (ClientSession other in this.LobbyClients.Values)
{
other.TrackUserInRoom(this.Name, session.SocketId, session.UserData.Id, session.UserData.Username, session.GetVars("userName", "rank", "hat", "head", "body", "feet", "hatColor", "headColor", "bodyColor", "feetColor", "socketID", "ping"));
}
uint currentHost = this._HostSocketId;
if (currentHost == session.SocketId || (currentHost == 0 && InterlockedExtansions.CompareExchange(ref this._HostSocketId, session.SocketId, currentHost) == currentHost))
{
session.SendPacket(new MatchOwnerOutgoingMessage(this.Name, true, true, true));
}
else if (!session.IsGuest)
{
bool play = session.HasPermissions(Permissions.ACCESS_FORCE_START_ANY_MATCH_LISTING);
bool kick = session.HasPermissions(Permissions.ACCESS_KICK_ANY_MATCH_LISTING);
bool ban = session.HasPermissions(Permissions.ACCESS_BAN_ANY_MATCH_LISTING);
if (play || kick || ban)
{
session.SendPacket(new MatchOwnerOutgoingMessage(this.Name, play, kick, ban));
}
}
//Concurrency complexity
if (Interlocked.Increment(ref this.UsersReady) == this.MaxMembers) //Ensures that there is no race condition while the SpotsLeft check is passed and user is being added to the clients list and ensuring safe start
{
if (Interlocked.CompareExchange(ref this._SpotsLeft, MatchListing.SPOTS_LEFT_GAME_STARTED, 0) == 0) //If no spots are left set the value to int.MinValue and start the match, starting should be thread-safe
{
this.Start();
}
}
return MatchListingJoinStatus.Success;
}
else
{
while (true) //Concurrency complexity
{
int spotsLeft = this._SpotsLeft;
if (spotsLeft >= 0)
{
if (Interlocked.CompareExchange(ref this._SpotsLeft, spotsLeft + 1, spotsLeft) == spotsLeft)
{
break;
}
}
}
return MatchListingJoinStatus.Success; //We are gonna assume its failed due to dublication?
}
}
else
{
return MatchListingJoinStatus.Success;
}
}
