/// <summary>
/// Helper checks whether a valid player profile is signed in.
/// </summary>
bool ValidProfileSignedIn()
{
// If there is no profile signed in, that is never good.
SignedInGamer gamer = Gamer.SignedInGamers[ControllingPlayer.Value];
if (gamer == null)
{
return(false);
}
// If we want to play in a Live session, also make sure the profile is
// signed in to Live, and that it has the privilege for online gameplay.
if (NetworkSessionComponent.IsOnlineSessionType(sessionType))
{
if (!gamer.IsSignedInToLive)
{
return(false);
}
if (!gamer.Privileges.AllowOnlineSessions)
{
return(false);
}
}
// Okeydokey, this looks good.
return(true);
}
/// <summary>
/// Updates the profile sign in screen.
/// </summary>
public override void Update(GameTime gameTime, bool otherScreenHasFocus,
bool coveredByOtherScreen)
{
base.Update(gameTime, otherScreenHasFocus, coveredByOtherScreen);
if (ValidProfileSignedIn())
{
// As soon as we detect a suitable profile is signed in,
// we raise the profile signed in event, then go away.
if (ProfileSignedIn != null)
{
ProfileSignedIn(this, EventArgs.Empty);
}
ExitScreen();
}
else if (IsActive && !Guide.IsVisible)
{
// If we are in trial mode, and they want to play online, and a profile
// is signed in, take them to marketplace so they can purchase the game.
if ((Guide.IsTrialMode) &&
(NetworkSessionComponent.IsOnlineSessionType(sessionType)) &&
(Gamer.SignedInGamers[ControllingPlayer.Value] != null) &&
(!haveShownMarketplace))
{
ShowMarketplace();
haveShownMarketplace = true;
}
else if (!haveShownGuide && !haveShownMarketplace)
{
// No suitable profile is signed in, and we haven't already shown
// the Guide. Let's show it now, so they can sign in a profile.
Guide.ShowSignIn(1,
NetworkSessionComponent.IsOnlineSessionType(sessionType));
haveShownGuide = true;
}
else
{
// Hmm. No suitable profile is signed in, but we already showed
// the Guide, and the Guide isn't still visible. There is only
// one thing that can explain this: they must have cancelled the
// Guide without signing in a profile. We'd better just exit,
// which will leave us on the same menu as before.
ExitScreen();
}
}
}
