/// <summary>
/// Event handler for when the Create Session menu entry is selected.
/// </summary>
void CreateSessionMenuEntrySelected(object sender, PlayerIndexEventArgs e)
{
try
{
// Which local profiles should we include in this session?
IEnumerable <SignedInGamer> localGamers =
NetworkSessionComponent.ChooseGamers(sessionType,
ControllingPlayer.Value);
// Begin an asynchronous create network session operation.
IAsyncResult asyncResult = NetworkSession.BeginCreate(
sessionType, localGamers,
NetworkSessionComponent.MaxGamers,
0, null, null, null);
// Activate the network busy screen, which will display
// an animation until this operation has completed.
NetworkBusyScreen busyScreen = new NetworkBusyScreen(asyncResult);
busyScreen.OperationCompleted += CreateSessionOperationCompleted;
ScreenManager.AddScreen(busyScreen, ControllingPlayer);
}
catch (Exception exception)
{
NetworkErrorScreen errorScreen = new NetworkErrorScreen(exception);
ScreenManager.AddScreen(errorScreen, ControllingPlayer);
}
}
/// <summary>
/// Event handler for when the asynchronous find network sessions
/// operation has completed.
/// </summary>
void FindSessionsOperationCompleted(object sender,
OperationCompletedEventArgs e)
{
GameScreen nextScreen;
try
{
// End the asynchronous find network sessions operation.
AvailableNetworkSessionCollection availableSessions =
NetworkSession.EndFind(e.AsyncResult);
if (availableSessions.Count == 0)
{
// If we didn't find any sessions, display an error.
availableSessions.Dispose();
nextScreen = new MessageBoxScreen(Resources.NoSessionsFound, false);
}
else
{
// If we did find some sessions, proceed to the JoinSessionScreen.
nextScreen = new JoinSessionScreen(availableSessions);
}
}
catch (Exception exception)
{
nextScreen = new NetworkErrorScreen(exception);
}
ScreenManager.AddScreen(nextScreen, ControllingPlayer);
}
/// <summary>
/// Event handler for when an available session menu entry is selected.
/// </summary>
void AvailableSessionMenuEntrySelected(object sender, PlayerIndexEventArgs e)
{
// Which menu entry was selected?
AvailableSessionMenuEntry menuEntry = (AvailableSessionMenuEntry)sender;
AvailableNetworkSession availableSession = menuEntry.AvailableSession;
try
{
// Begin an asynchronous join network session operation.
IAsyncResult asyncResult = NetworkSession.BeginJoin(availableSession,
null, null);
// Activate the network busy screen, which will display
// an animation until this operation has completed.
NetworkBusyScreen busyScreen = new NetworkBusyScreen(asyncResult);
busyScreen.OperationCompleted += JoinSessionOperationCompleted;
ScreenManager.AddScreen(busyScreen, ControllingPlayer);
}
catch (Exception exception)
{
NetworkErrorScreen errorScreen = new NetworkErrorScreen(exception);
ScreenManager.AddScreen(errorScreen, ControllingPlayer);
}
}
/// <summary>
/// Event handler called when the system delivers an invite notification.
/// This can occur when the user accepts an invite that was sent to them by
/// a friend (pull mode), or if they choose the "Join Session In Progress"
/// option in their friends screen (push mode). The handler leaves the
/// current session (if any), then joins the session referred to by the
/// invite. It is not necessary to prompt the user before doing this, as
/// the Guide will already have taken care of the necessary confirmations
/// before the invite was delivered to you.
/// </summary>
public static void InviteAccepted(ScreenManager screenManager,
InviteAcceptedEventArgs e)
{
// If we are already in a network session, leave it now.
NetworkSessionComponent self = FindSessionComponent(screenManager.Game);
if (self != null)
{
self.Dispose();
}
try
{
// Which local profiles should we include in this session?
IEnumerable <SignedInGamer> localGamers =
ChooseGamers(NetworkSessionType.PlayerMatch, e.Gamer.PlayerIndex);
// Begin an asynchronous join-from-invite operation.
IAsyncResult asyncResult = NetworkSession.BeginJoinInvited(localGamers,
null, null);
// Use the loading screen to replace whatever screens were previously
// active. This will completely reset the screen state, regardless of
// whether we were in the menus or playing a game when the invite was
// delivered. When the loading screen finishes, it will activate the
// network busy screen, which displays an animation as it waits for
// the join operation to complete.
NetworkBusyScreen busyScreen = new NetworkBusyScreen(asyncResult);
busyScreen.OperationCompleted += JoinInvitedOperationCompleted;
LoadingScreen.Load(screenManager, false, null, new BackgroundScreen(),
busyScreen);
}
catch (Exception exception)
{
NetworkErrorScreen errorScreen = new NetworkErrorScreen(exception);
LoadingScreen.Load(screenManager, false, null, new BackgroundScreen(),
new MainMenuScreen(),
errorScreen);
}
}
/// <summary>
/// Event handler for when the asynchronous create network session
/// operation has completed.
/// </summary>
void CreateSessionOperationCompleted(object sender,
OperationCompletedEventArgs e)
{
try
{
// End the asynchronous create network session operation.
NetworkSession networkSession = NetworkSession.EndCreate(e.AsyncResult);
// Create a component that will manage the session we just created.
NetworkSessionComponent.Create(ScreenManager, networkSession);
// Go to the lobby screen. We pass null as the controlling player,
// because the lobby screen accepts input from all local players
// who are in the session, not just a single controlling player.
ScreenManager.AddScreen(new LobbyScreen(networkSession), null);
}
catch (Exception exception)
{
NetworkErrorScreen errorScreen = new NetworkErrorScreen(exception);
ScreenManager.AddScreen(errorScreen, ControllingPlayer);
}
}