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尝试实现多人游戏。使用Game Center 中的示例 - 发送和接收数据

一切似乎都很好,但在苹果文档中也有关于邀请处理程序的说法。

[GKMatchmaker sharedMatchmaker].inviteHandler = ^(GKInvite *acceptedInvite, NSArray *playersToInvite) {
   // Insert application-specific code here to clean up any games in progress.
   if (acceptedInvite) {
        GKMatchmakerViewController *mmvc = [[[GKMatchmakerViewController alloc] initWithInvite:acceptedInvite] autorelease];
        mmvc.matchmakerDelegate = self;
        [self presentModalViewController:mmvc animated:YES];
    } else if (playersToInvite) {
        GKMatchRequest *request = [[[GKMatchRequest alloc] init] autorelease];
        request.minPlayers = 2;
        request.maxPlayers = 4;
        request.playersToInvite = playersToInvite;

        GKMatchmakerViewController *mmvc = [[[GKMatchmakerViewController alloc] initWithMatchRequest:request] autorelease];
        mmvc.matchmakerDelegate = self;
        [self presentModalViewController:mmvc animated:YES];
    }
};

问题很简单:我不知道在哪里添加这段代码。

4

2 回答 2

11

如文档中所述

您的应用程序应该在您的应用程序启动后尽早设置邀请处理程序;设置处理程序的适当位置是在您提供的完成块中,该块在本地播放器通过身份验证后执行。

在您的代码中的某处,您应该使用类似这样的方式对本地播放器进行身份验证

[[GKLocalPlayer localPlayer] authenticateWithCompletionHandler:^(NSError *error) {
    if (error == nil) {
        // Insert your piece of code here
    } else {
        // Handle the error
    }
}];

希望有帮助

于 2011-01-09T13:25:35.827 回答
1

我的代码在下面,效果很好。在 中authenticateLocalUser,添加以下代码:

[[GKLocalPlayer localPlayer] authenticateWithCompletionHandler:^(NSError *error) {
    [GKMatchmaker sharedMatchmaker].inviteHandler = ^(GKInvite *acceptedInvite, NSArray *playersToInvite) {  // Add for invite handler
        // Insert application-specific code here to clean up any games in progress.
        if (acceptedInvite) {
            GKMatchmakerViewController *mmvc = [[GKMatchmakerViewController alloc] initWithInvite:acceptedInvite] ;
            mmvc.matchmakerDelegate = self;
            // [self presentModalViewController:mmvc animated:YES];
            [_delegate matchStart];
        } else if (playersToInvite) {
            GKMatchRequest *request = [[GKMatchRequest alloc] init] ;
            request.minPlayers = 2;
            request.maxPlayers = 2;
            request.playersToInvite = playersToInvite;

            GKMatchmakerViewController *mmvc = [[GKMatchmakerViewController alloc] initWithMatchRequest:request] ;
            mmvc.matchmakerDelegate = self;
            // [self presentModalViewController:mmvc animated:YES];
            [_delegate matchStart];
        }
    };

    [self callDelegateOnMainThread:@selector(processGameCenterAuth:) withArg:NULL error:error];
}];
于 2013-03-31T20:19:12.140 回答