/// <summary>
/// Starts given peer instance.
/// </summary>
/// <param name="peer">Peer to start.</param>
/// <param name="configuration">Configuration of peer.</param>
/// <param name="onRegisterHandlers"></param>
private static T InternalStartPeer <T>([NotNull] T peer, [NotNull] QNetConfiguration configuration,
Action onRegisterHandlers)
where T : QNetPeer
{
if (peer == null)
{
throw new ArgumentNullException(nameof(peer));
}
if (configuration == null)
{
throw new ArgumentNullException(nameof(configuration));
}
// first register peer handlers
peer.RegisterPeerHandlers();
// then register peer local handlers
onRegisterHandlers.Invoke();
// then start peer
peer.Start(configuration);
// and at the end, add new running peer
InternalRunningPeers.Add(peer);
// rebuild array
RunningPeers = InternalRunningPeers.ToArray();
// clear network time
QNetTime.Frame = 0;
QNetSimulation.EstimatedServerFrame = 0;
return(peer);
}
/// <summary>
/// Starts local host based on given configuration.
/// </summary>
public static void StartHost([NotNull] QNetConfiguration configuration)
{
//if (!Nickname.IsSet)
// throw new InvalidOperationException("QNet is unable to start host while nickname is not set.");
if (IsHostActive)
{
throw new InvalidOperationException(
"QNet is unable to start host while there is already active instance of host.");
}
if (configuration == null)
{
throw new ArgumentNullException(nameof(configuration));
}
JEMLogger.Log("QNet is starting local host.");
IsHostActive = true;
StartServer(configuration);
StartClient(configuration.IpAddress, configuration.Port, string.Empty);
Server.SetUpHostServer(Client.OriginalConnection);
Client.OnDisconnection += (lostConnection, reason) =>
{
reason = $"(Client) {reason}";
JEMLogger.Log("QNet is stopping host because of client disconnection.");
// stop all peers
StopCurrentConnection(reason);
};
}
/// <summary>
/// Runs host.
/// This method starts all server then client loading processes and at the end runs QNetServer and QNetClient peers.
/// </summary>
public static void RunHost(QNetConfiguration configuration)
{
if (GameInitialized)
{
throw new InvalidOperationException(
"QNetUnity can't run game initialization process while game is already initialized.");
}
if (GameIsInitializing)
{
throw new InvalidOperationException(
"QNetUnity can't run game initialization process while other process is already running.");
}
if (GameIsDeInitializing)
{
throw new InvalidOperationException(
"QNetUnity can't run game initialization while de-initialization process is running.");
}
JEMLogger.Log("QNetUnity is starting host.");
GameIsInitializing = true;
Instance.StartCoroutine(InternalRunHost(configuration));
}
private static IEnumerator InternalRunServer(QNetConfiguration configuration)
{
var sw = Stopwatch.StartNew();
var targetLevel = ServerNextMapName;
ServerIsInitializing = true;
// load world fist
LastMapState = QNetMapState.Loading;
OnMapStateChanged?.Invoke(QNetMapState.Loading);
var isLevelLoading = true;
QNetLevelLoader.Load(targetLevel, () => { isLevelLoading = false; });
while (isLevelLoading)
{
yield return(new WaitForEndOfFrame());
}
OnLevelLoaded?.Invoke(targetLevel);
yield return(new WaitForEndOfFrame());
// then load serialized object in memory
// TODO: Write objects from save in to memory
var time = DateTime.Now;
var isWorldSerializing = true;
var worldSerializingLastAction = "not defined";
QNetWorldSerializer.DeSerializeObjectsInMemory(() => { isWorldSerializing = false; }, action =>
{
time = DateTime.Now;
worldSerializingLastAction = action;
});
while (isWorldSerializing)
{
yield return(new WaitForEndOfFrame());
}
if ((DateTime.Now - time).Seconds >= DeserializingTimeout)
{
ShutdownInitializing(worldSerializingLastAction);
yield break;
}
LastMapState = QNetMapState.Loaded;
OnMapStateChanged?.Invoke(QNetMapState.Loaded);
// the initialize server
QNetManager.StartServer(configuration);
GameIsInitializing = false;
ServerIsInitializing = false;
GameInitialized = true;
bool isWorldReady = false;
OnWorldAndNetworkReady?.Invoke(() => { isWorldReady = true; });
while (!isWorldReady)
{
yield return(new WaitForEndOfFrame());
}
// we need to call OnNetworkActive event
for (var index = 0; index < QNetObjectBehaviour.SpawnedBehaviours.Length; index++)
{
var obj = QNetObjectBehaviour.SpawnedBehaviours[index];
obj.OnNetworkActive();
}
for (var index = 0; index < QNetObjectBehaviour.PredefinedBehaviours.Length; index++)
{
var obj = QNetObjectBehaviour.PredefinedBehaviours[index];
obj.OnInternalSpawned();
obj.OnNetworkActive();
}
JEMLogger.Log($"QNetUnity ServerRun main work took {sw.Elapsed.Milliseconds:0.00}ms.");
}
private static IEnumerator InternalRunHost(QNetConfiguration configuration)
{
// load world first
var targetLevel = ServerNextMapName;
// activate loading screen
OnClientLoadingInfoUpdated?.Invoke(true, "LOADING LEVEL", $"Loading {targetLevel}");
OnClientLoadingStart?.Invoke();
yield return(new WaitForSeconds(0.6f)); // wait some time, lol
var sw = Stopwatch.StartNew();
ServerIsInitializing = true;
HostIsInitializing = true;
LastMapState = QNetMapState.Loading;
OnMapStateChanged?.Invoke(LastMapState);
var isLevelLoading = true;
QNetLevelLoader.Load(targetLevel, () => { isLevelLoading = false; });
while (isLevelLoading)
{
yield return(new WaitForEndOfFrame());
}
OnLevelLoaded?.Invoke(targetLevel);
yield return(new WaitForEndOfFrame());
// TODO: Write objects from save in to memory
// TODO: Remove block of code below (DeSerializingObjects)
// update lading screen
OnClientLoadingInfoUpdated?.Invoke(true, "LOADING WORLD",
$"DeSerializing {QNetWorldSerializer.SerializedObjectsInMemory} world objects.");
var isWorldSerializing = true;
var time = DateTime.Now;
var worldSerializingLastAction = "not defined";
QNetWorldSerializer.DeSerializeObjectsInMemory(() => { isWorldSerializing = false; }, action =>
{
time = DateTime.Now;
worldSerializingLastAction = action;
});
while (isWorldSerializing)
{
yield return(new WaitForEndOfFrame());
}
if ((DateTime.Now - time).Seconds >= DeserializingTimeout)
{
ShutdownInitializing(worldSerializingLastAction);
yield break;
}
LastMapState = QNetMapState.Loaded;
OnMapStateChanged?.Invoke(LastMapState);
// update loading screen
OnClientLoadingInfoUpdated?.Invoke(true, "READY", "Setting up player.");
// then initialize host
QNetManager.StartHost(configuration);
GameIsInitializing = false;
ServerIsInitializing = false;
HostIsInitializing = false;
GameInitialized = true;
OnClientLoadingEnd?.Invoke();
// the initialize client
OnLoadClientSideContent?.Invoke();
bool isWorldReady = false;
OnWorldAndNetworkReady?.Invoke(() => { isWorldReady = true; });
while (!isWorldReady)
{
yield return(new WaitForEndOfFrame());
}
// we need to call OnNetworkActive event
for (var index = 0; index < QNetObjectBehaviour.SpawnedBehaviours.Length; index++)
{
var obj = QNetObjectBehaviour.SpawnedBehaviours[index];
obj.OnNetworkActive();
}
for (var index = 0; index < QNetObjectBehaviour.PredefinedBehaviours.Length; index++)
{
var obj = QNetObjectBehaviour.PredefinedBehaviours[index];
obj.OnInternalSpawned();
obj.OnNetworkActive();
}
JEMLogger.Log($"QNetUnity RunHost main work took {sw.Elapsed.Milliseconds:0.00}ms.");
}
/// <summary>
/// Starts client connection.
/// </summary>
public static void StartClient([NotNull] string ipAddress, ushort port, string password)
{
if (IsClientActive)
{
throw new InvalidOperationException(
"QNet is unable to start client while there is already active instance of client.");
}
if (ipAddress == null)
{
throw new ArgumentNullException(nameof(ipAddress));
}
var configuration = new QNetConfiguration
{
IpAddress = ipAddress,
Port = port,
MaxConnections = 2
};
if (OnClientPrepare == null)
{
throw new NullReferenceException("QNet is unable to start client. OnClientPrepare event is not set.");
}
Client = new QNetClient();
Client = InternalStartPeer(Client, configuration, () =>
{
QNetHandlerStack.RegisterClientHandlers(Client);
OnClientRegisterHeaders?.Invoke();
});
OnClientPrepare.Invoke(out var nickname, out var token);
Client.OnMessagePoll += reader =>
{
// as the server always send the server frame
// we need to read that right here
QNetSimulation.ReceivedServerFrame = reader.ReadUInt32();
QNetSimulation.AdjustServerFrames = QNetSimulation.ReceivedServerFrame > QNetTime.ServerFrame;
};
Client.OnConnectionReady += (reader, writer) =>
{
var tickRate = reader.ReadInt32();
var frameNumber = reader.ReadUInt32();
// set TickRate
QNetTime.TickRate = tickRate;
// initialize server frame count
QNetSimulation.ReceivedServerFrame = frameNumber;
QNetSimulation.EstimatedServerFrame = frameNumber;
// write player data
writer.WriteString(nickname);
writer.WriteUInt32(token);
writer.WriteString(JEMBuild.BuildVersion);
OnClientReady?.Invoke(reader, writer);
};
Client.OnDisconnection += (lostConnection, reason) =>
{
// stop peer
if (InternalRunningPeers.Contains(Client))
{
InternalStopPeer(Client, reason);
}
// update active state
IsClientActive = false;
// and de-initialize game
if (!IsHostActive && QNetGameInitializer.GameInitialized && !QNetGameInitializer.GameIsDeInitializing
) // ignore if host, server will de-initialize it anyway
{
QNetGameInitializer.DeInitialize(() =>
{
OnClientDisconnected?.Invoke(IsHostActive, lostConnection, reason);
});
}
else
{
if (!QNetGameInitializer.GameInitialized && !QNetGameInitializer.GameIsInitializing)
{
OnClientDisconnected?.Invoke(IsHostActive, lostConnection, reason);
}
}
};
IsClientActive = true;
}
/// <summary>
/// Starts local server based on given or local configuration.
/// </summary>
public static void StartServer(QNetConfiguration configuration = null)
{
if (IsServerActive)
{
throw new InvalidOperationException(
"QNet is unable to start server while there is already active instance of server.");
}
if (configuration == null)
{
configuration = new QNetConfiguration();
}
var hostIsActive = IsHostActive;
Server = new QNetServer();
Server = InternalStartPeer(Server, configuration, () =>
{
QNetHandlerStack.RegisterServerHandlers(Server);
OnServerRegisterHeaders?.Invoke();
});
OnServerPrepare?.Invoke();
Server.OnBeforeMessage += message =>
{
// server should always send the server frame to the client!
message.Write(QNetTime.ServerFrame);
};
Server.OnConnectionAuthorizing += (QNetConnection connection, QNetMessageWriter writer, ref bool refuse) =>
{
writer.WriteInt32(QNetTime.TickRate);
writer.WriteUInt32(QNetTime.ServerFrame);
OnServerAuthorizePlayer?.Invoke(connection, writer, ref refuse);
};
Server.OnConnectionReady += reader =>
{
// read player nickname and create its QNetPlayer instance
var nickname = reader.ReadString();
var token = reader.ReadUInt32();
var version = reader.ReadString();
if (JEMBuild.BuildVersion != version)
{
JEMLogger.LogError(
$"Newly received connection don't have right version of the game -> {version} ( is {JEMBuild.BuildVersion} )");
Server.CloseConnection(reader.Connection, "InvalidBuildVersion");
}
else
{
if (IsHostActive && (reader.Connection.ConnectionIdentity == 0 ||
reader.Connection.ConnectionIdentity == Client.ConnectionIdentity))
{
HostClientConnection = reader.Connection;
JEMLogger.Log("QNetUnity received host client connection.");
}
if (QNetPlayer.GetQNetPlayerByToken(token) != null)
{
JEMLogger.LogError("Newly received connection is using already used token. Disconnecting!");
Server.CloseConnection(reader.Connection, "TokenAlreadyInUse");
return;
}
var qNetPlayer = QNetPlayer.CreateQNetPlayer(reader.Connection.ConnectionIdentity, nickname, token);
if (qNetPlayer == null)
{
JEMLogger.LogError(
"Newly received connection don't have his QNetPlayer instance. Disconnecting!");
Server.CloseConnection(reader.Connection, "InternalQNetPlayerError");
return;
}
OnServerNewPlayer?.Invoke(qNetPlayer, reader);
QNetServerConnectionInit.PrepareNewConnection(reader.Connection);
}
};
Server.OnConnectionLost += (connection, reason) =>
{
var qNetPlayer = QNetPlayer.GetQNetPlayer(connection);
if (qNetPlayer != null) // if QNetPlayer of this connection not exists, just ignore
{
OnServerPlayerLost?.Invoke(qNetPlayer, reason);
// the only thing to do here is to tag player as not ready (if ready)
if (qNetPlayer.Ready)
{
qNetPlayer.TagAsNotReady();
}
// and remove QNetPlayer from local machine
QNetPlayer.DestroyQNetPlayer(qNetPlayer);
}
};
Server.OnServerStop += reason =>
{
// server has been stopped, try to de-initialize game
if (!ShuttingDownByApplicationQuit)
{
QNetGameInitializer.DeInitialize(() => { OnServerShutdown?.Invoke(hostIsActive); });
}
else
{
OnServerShutdown?.Invoke(hostIsActive);
}
IsServerActive = false;
IsHostActive = false;
};
IsServerActive = true;
OnServerStarted?.Invoke();
}
