/// <summary>
/// Called once we have connected to the server,
/// at this point we want to send a connect request packet
/// to the server
/// </summary>
private void ListenerOnPeerConnectedEvent(NetPeer peer)
{
// Get the major.minor version
Version version = Assembly.GetAssembly(typeof(Client)).GetName().Version;
string versionString = $"{version.Major}.{version.Minor}";
// Build the connection request
ConnectionRequestCommand connectionRequest = new ConnectionRequestCommand
{
GameVersion = BuildConfig.applicationVersion,
ModCount = PluginManager.instance.modCount,
ModVersion = versionString,
Password = Config.Password,
Username = Config.Username,
DLCBitMask = DLCHelper.GetOwnedDLCs()
};
_logger.Info("Sending connection request to server...");
Command.SendToServer(connectionRequest);
}
protected override void Handle(ConnectionResultCommand command)
{
// We only want this message while connecting
if (MultiplayerManager.Instance.CurrentClient.Status != ClientStatus.Connecting)
{
return;
}
// If we are allowed to connect
if (command.Success)
{
// Log and set that we are connected.
Log.Info("Successfully connected to server. Downloading world...");
MultiplayerManager.Instance.CurrentClient.ClientPlayer = new Player();
MultiplayerManager.Instance.CurrentClient.Status = ClientStatus.Downloading;
MultiplayerManager.Instance.CurrentClient.ClientId = command.ClientId;
}
else
{
Log.Info($"Could not connect: {command.Reason}");
MultiplayerManager.Instance.CurrentClient.ConnectionMessage = command.Reason;
MultiplayerManager.Instance.CurrentClient.Disconnect();
if (command.Reason.Contains("DLC")) // No other way to detect if we should display the box
{
DLCHelper.DLCComparison compare = DLCHelper.Compare(command.DLCBitMask, DLCHelper.GetOwnedDLCs());
ThreadHelper.dispatcher.Dispatch(() =>
{
MessagePanel panel = PanelManager.ShowPanel <MessagePanel>();
panel.DisplayDlcMessage(compare);
});
}
}
}
public void HandleOnServer(ConnectionRequestCommand command, NetPeer peer)
{
Log.Info("Received connection request.");
string joiningVersion = command.GameVersion;
string appVersion = BuildConfig.applicationVersion;
MatchVersionString(ref joiningVersion);
MatchVersionString(ref appVersion);
// Check to see if the game versions match
if (joiningVersion != appVersion)
{
Log.Info($"Connection rejected: Game versions {joiningVersion} (client) and {appVersion} (server) differ.");
Command.SendToClient(peer, new ConnectionResultCommand
{
Success = false,
Reason = $"Client and server have different game versions. Client: {joiningVersion}, Server: {appVersion}."
});
return;
}
// Check to see if the mod version matches
Version version = Assembly.GetAssembly(typeof(Client)).GetName().Version;
string versionString = $"{version.Major}.{version.Minor}";
if (command.ModVersion != versionString)
{
Log.Info($"Connection rejected: Mod versions {command.ModVersion} (client) and {versionString} (server) differ.");
Command.SendToClient(peer, new ConnectionResultCommand
{
Success = false,
Reason = $"Client and server have different CSM Mod versions. Client: {command.ModVersion}, Server: {versionString}."
});
return;
}
// Check the client username to see if anyone on the server already have a username
bool hasExistingPlayer = MultiplayerManager.Instance.PlayerList.Contains(command.Username);
if (hasExistingPlayer)
{
Log.Info($"Connection rejected: Username {command.Username} already in use.");
Command.SendToClient(peer, new ConnectionResultCommand
{
Success = false,
Reason = "This username is already in use."
});
return;
}
// Check the password to see if it matches (only if the server has provided a password).
if (!string.IsNullOrEmpty(MultiplayerManager.Instance.CurrentServer.Config.Password))
{
if (command.Password != MultiplayerManager.Instance.CurrentServer.Config.Password)
{
Log.Warn("Connection rejected: Invalid password provided!");
Command.SendToClient(peer, new ConnectionResultCommand
{
Success = false,
Reason = "Invalid password for this server."
});
return;
}
}
SteamHelper.DLC_BitMask dlcMask = DLCHelper.GetOwnedDLCs();
// Check both client have the same DLCs enabled
if (!command.DLCBitMask.Equals(dlcMask))
{
Log.Info($"Connection rejected: DLC bit mask {command.DLCBitMask} (client) and {dlcMask} (server) differ.");
Command.SendToClient(peer, new ConnectionResultCommand
{
Success = false,
Reason = "DLCs don't match",
DLCBitMask = dlcMask
});
return;
}
// Check that no other player is currently connecting
bool clientJoining = false;
foreach (Player p in MultiplayerManager.Instance.CurrentServer.ConnectedPlayers.Values)
{
if (p.Status != ClientStatus.Connected)
{
clientJoining = true;
}
}
if (clientJoining)
{
Command.SendToClient(peer, new ConnectionResultCommand
{
Success = false,
Reason = "A client is already joining",
DLCBitMask = dlcMask
});
return;
}
// Add the new player as a connected player
Player newPlayer = new Player(peer, command.Username);
MultiplayerManager.Instance.CurrentServer.ConnectedPlayers[peer.Id] = newPlayer;
// Send the result command
Command.SendToClient(peer, new ConnectionResultCommand
{
Success = true,
ClientId = peer.Id
});
PrepareWorldLoad(newPlayer);
MultiplayerManager.Instance.CurrentServer.HandlePlayerConnect(newPlayer);
}
protected override void Handle(ConnectionResultCommand command)
{
// We only want this message while connecting
if (MultiplayerManager.Instance.CurrentClient.Status != ClientStatus.Connecting)
{
return;
}
// If we are allowed to connect
if (command.Success)
{
// Log and set that we are connected.
_logger.Info("Successfully connected to server. Downloading world...");
MultiplayerManager.Instance.CurrentClient.Status = ClientStatus.Downloading;
MultiplayerManager.Instance.CurrentClient.ClientId = command.ClientId;
}
else
{
_logger.Info($"Could not connect: {command.Reason}");
MultiplayerManager.Instance.CurrentClient.ConnectionMessage = command.Reason;
MultiplayerManager.Instance.CurrentClient.Disconnect();
if (command.DLCBitMask != SteamHelper.DLC_BitMask.None)
{
DLCHelper.DLCComparison compare = DLCHelper.Compare(command.DLCBitMask, DLCHelper.GetOwnedDLCs());
if (compare.ClientMissing != SteamHelper.DLC_BitMask.None)
{
ChatLogPanel.PrintGameMessage(ChatLogPanel.MessageType.Error, $"You are missing the following DLCs: {compare.ClientMissing}");
}
if (compare.ServerMissing != SteamHelper.DLC_BitMask.None)
{
ChatLogPanel.PrintGameMessage(ChatLogPanel.MessageType.Error, $"The server doesn't have the following DLCs: {compare.ServerMissing}");
}
ChatLogPanel.PrintGameMessage(ChatLogPanel.MessageType.Normal, "DLCs can be disabled via checkbox in Steam");
}
}
}
public static void CreateOrUpdateMultiplayerButton()
{
Log.Info("Creating multiplayer button...");
// Find pause menu view.
UIPanel pauseUiPanel = UIView.GetAView()?.FindUIComponent("Menu") as UIPanel;
if (pauseUiPanel == null)
{
return;
}
// Find button.
UIButton _multiplayerButton = UIView.GetAView().FindUIComponent("Multiplayer") as UIButton;
// Find divider.
UIPanel _multiplayerDivider = UIView.GetAView().FindUIComponent("multiplayerDivider") as UIPanel;
// Add the button & divider if it does not exist and assign
// the click event.
if (_multiplayerButton == null)
{
// Add multiplayer button.
_multiplayerButton = (UIButton)pauseUiPanel.AddUIComponent(typeof(UIButton));
// Add multiplayer divider.
_multiplayerDivider = (UIPanel)pauseUiPanel.AddUIComponent(typeof(UIPanel));
// Respond to button click.
_multiplayerButton.eventClick += (component, param) =>
{
// Close pause menu.
ReflectionHelper.Call(new PauseMenu(), "Resume");
// Open host game menu if not in multiplayer session, else open connection panel
if (MultiplayerManager.Instance.CurrentRole == MultiplayerRole.None)
{
PanelManager.TogglePanel <HostGamePanel>();
// Display warning if DLCs or other mods are enabled
if (DLCHelper.GetOwnedDLCs() != SteamHelper.DLC_BitMask.None ||
Singleton <PluginManager> .instance.enabledModCount > 1)
{
MessagePanel msgPanel = PanelManager.ShowPanel <MessagePanel>();
msgPanel.DisplayContentWarning();
}
}
else
{
PanelManager.TogglePanel <ConnectionPanel>();
}
};
}
// Set multiplayer button properties.
_multiplayerButton.name = "Multiplayer";
_multiplayerButton.text = "MULTIPLAYER";
_multiplayerButton.width = 310;
_multiplayerButton.height = 57;
_multiplayerButton.textScale = 1.25f;
_multiplayerButton.normalBgSprite = "ButtonMenu";
_multiplayerButton.disabledBgSprite = "ButtonMenuDisabled";
_multiplayerButton.hoveredBgSprite = "ButtonMenuHovered";
_multiplayerButton.focusedBgSprite = "ButtonMenuFocused";
_multiplayerButton.pressedBgSprite = "ButtonMenuPressed";
_multiplayerButton.textColor = new Color32(255, 255, 255, 255);
_multiplayerButton.disabledTextColor = new Color32(7, 7, 7, 255);
_multiplayerButton.hoveredTextColor = new Color32(7, 132, 255, 255);
_multiplayerButton.focusedTextColor = new Color32(255, 255, 255, 255);
_multiplayerButton.pressedTextColor = new Color32(30, 30, 44, 255);
// Set multiplayer divider properties.
_multiplayerDivider.height = 7;
_multiplayerDivider.name = "multiplayerDivider";
// Enable button sounds.
_multiplayerButton.playAudioEvents = true;
}
public override void OnLevelLoaded(LoadMode mode)
{
base.OnLevelLoaded(mode);
if (MultiplayerManager.Instance.CurrentRole == MultiplayerRole.Client)
{
MultiplayerManager.Instance.CurrentClient.Status = ClientStatus.Connected;
Command.SendToServer(new ClientLevelLoadedCommand());
}
UIView uiView = UIView.GetAView();
// Add the chat log
uiView.AddUIComponent(typeof(ChatLogPanel));
_multiplayerButton = (UIButton)uiView.AddUIComponent(typeof(UIButton));
_multiplayerButton.text = "Multiplayer";
_multiplayerButton.width = 150;
_multiplayerButton.height = 40;
_multiplayerButton.normalBgSprite = "ButtonMenu";
_multiplayerButton.disabledBgSprite = "ButtonMenuDisabled";
_multiplayerButton.hoveredBgSprite = "ButtonMenuHovered";
_multiplayerButton.focusedBgSprite = "ButtonMenuFocused";
_multiplayerButton.pressedBgSprite = "ButtonMenuPressed";
_multiplayerButton.textColor = new Color32(255, 255, 255, 255);
_multiplayerButton.disabledTextColor = new Color32(7, 7, 7, 255);
_multiplayerButton.hoveredTextColor = new Color32(7, 132, 255, 255);
_multiplayerButton.focusedTextColor = new Color32(255, 255, 255, 255);
_multiplayerButton.pressedTextColor = new Color32(30, 30, 44, 255);
// Enable button sounds.
_multiplayerButton.playAudioEvents = true;
// Place the button.
_multiplayerButton.transformPosition = new Vector3(-1.45f, 0.97f);
// Respond to button click.
_multiplayerButton.eventClick += (component, param) =>
{
// Open host game menu if not in multiplayer session, else open connection panel
if (MultiplayerManager.Instance.CurrentRole == MultiplayerRole.None)
{
PanelManager.TogglePanel <HostGamePanel>();
// Display warning if DLCs or other mods are enabled
if (DLCHelper.GetOwnedDLCs() != SteamHelper.DLC_BitMask.None ||
Singleton <PluginManager> .instance.enabledModCount > 1)
{
MessagePanel msgPanel = PanelManager.ShowPanel <MessagePanel>();
msgPanel.DisplayContentWarning();
}
}
else
{
PanelManager.TogglePanel <ConnectionPanel>();
}
_multiplayerButton.Unfocus();
};
}
public void HandleOnServer(ConnectionRequestCommand command, NetPeer peer)
{
// Check to see if the game versions match
if (command.GameVersion != BuildConfig.applicationVersion)
{
Command.SendToClient(peer, new ConnectionResultCommand
{
Success = false,
Reason = $"Client and server have different game versions. Client: {command.GameVersion}, Server: {BuildConfig.applicationVersion}."
});
return;
}
// Check to see if the mod version matches
Version version = Assembly.GetAssembly(typeof(Client)).GetName().Version;
string versionString = $"{version.Major}.{version.Minor}";
if (command.ModVersion != versionString)
{
Command.SendToClient(peer, new ConnectionResultCommand
{
Success = false,
Reason = $"Client and server have different CSM Mod versions. Client: {command.ModVersion}, Server: {versionString}."
});
return;
}
// Check the client username to see if anyone on the server already have a username
bool hasExistingPlayer = MultiplayerManager.Instance.PlayerList.Contains(command.Username);
if (hasExistingPlayer)
{
Command.SendToClient(peer, new ConnectionResultCommand
{
Success = false,
Reason = "This username is already in use."
});
return;
}
// Check the password to see if it matches (only if the server has provided a password).
if (!string.IsNullOrEmpty(MultiplayerManager.Instance.CurrentServer.Config.Password))
{
if (command.Password != MultiplayerManager.Instance.CurrentServer.Config.Password)
{
Command.SendToClient(peer, new ConnectionResultCommand
{
Success = false,
Reason = "Invalid password for this server."
});
return;
}
}
// Check both client have the same DLCs enabled
if (!command.DLCBitMask.Equals(DLCHelper.GetOwnedDLCs()))
{
Command.SendToClient(peer, new ConnectionResultCommand
{
Success = false,
Reason = "DLCs don't match",
DLCBitMask = DLCHelper.GetOwnedDLCs()
});
return;
}
// Add the new player as a connected player
Player newPlayer = new Player(peer, command.Username);
MultiplayerManager.Instance.CurrentServer.ConnectedPlayers[peer.Id] = newPlayer;
// Get a serialized version of the server world to send to the player.
if (command.RequestWorld)
{
// Get the world
byte[] world = WorldManager.GetWorld();
// Send the result command
Command.SendToClient(peer, new ConnectionResultCommand
{
Success = true,
ClientId = peer.Id,
World = world
});
}
else
{
// Send the result command
Command.SendToClient(peer, new ConnectionResultCommand
{
Success = true,
ClientId = peer.Id
});
}
MultiplayerManager.Instance.CurrentServer.HandlePlayerConnect(newPlayer);
}