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iOS游戏中心GameKit程序化邀请匹配

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我正在尝试使用自定义UI（没有GKMatchMakerViewController）实现实时多人游戏 . 我正在使用startBrowsingForNearbyPlayersWithReachableHandler：^（NSString * playerID，BOOL可达）来查找本地播放器，然后使用GKMatchmaker单例（我已经发起）启动匹配请求 .

这是我遇到麻烦的地方 . 当我发送请求时，完成处理程序几乎立即触发，没有错误，并且它返回的匹配具有预期的玩家计数为零 . 同时，其他玩家肯定没有回应该请求

相关守则：

- (void) findMatch {
  GKMatchRequest *request = [[GKMatchRequest alloc] init];
  request.minPlayers = NUM_PLAYERS_PER_MATCH; //2
  request.maxPlayers = NUM_PLAYERS_PER_MATCH; //2
  if (nil != self.playersToInvite) {
    // we always successfully get in this if-statement
    request.playersToInvite = self.playersToInvite;
    request.inviteeResponseHandler = ^(NSString *playerID, GKInviteeResponse response) {
      [self.delegate updateUIForPlayer: playerID accepted: (response == GKInviteeResponseAccepted)];
  };
}
request.inviteMessage = @"Let's Play!";

[self.matchmaker findMatchForRequest:request withCompletionHandler:^(GKMatch *match, NSError *error) {
  if (error) {
    // Print the error
    NSLog(@"%@", error.localizedDescription);
  } else 
    if (match != nil) {
      self.currentMatch = match;
      self.currentMatch.delegate = self;

      // All players are connected
      if (match.expectedPlayerCount == 0) {
        // start match
        [self startMatch];
      }
        [self stopLookingForPlayers];
      }
  }];
}

我从之前的一个问题（iOS Gamecenter Programmatic Matchmaking）知道我需要包含这个：

- (void)matchForInvite:(GKInvite *)invite completionHandler:(void (^)(GKMatch *match, NSError *error))completionHandler

在上面的代码，但我不知道应该包括在哪里 . 我已经尝试了GKMatchRequest inviteeResponseHandler，并在matchmaker finMatchForRequest：withCompletionHandler中无济于事 . 发生的行为是匹配器立即返回匹配（甚至在被邀请者被邀请之前）并且即使在被邀请者点击匹配邀请之后也从未调用matchRequest inviteeResponseHandler .

有人可以就此提出建议吗？谢谢 .

...吉姆

ios objective-c game-center gamekit gkmatchmaker

1 回答

  • 15

    我今晚刚刚开始研究这个游戏 . 为了获得通信通道设置，您需要进行更多的协商 . 返回给邀请者的初始匹配正在等待被邀请者回复...这是我的过程只有两个玩家 . 以下是我的通信启动所执行的所有步骤 . 显然，此处不包含真正的错误处理：

    首先，验证您的播放器

    第二，在认证设置inviteHandler之后 . 像这样的东西：

    [GKMatchmaker sharedMatchmaker].inviteHandler = ^(GKInvite* acceptedInvite, NSArray *playersToInvite)
{
    if(acceptedInvite != nil)
    {
        // Get a match for the invite we obtained...
        [[GKMatchmaker sharedMatchmaker] matchForInvite:acceptedInvite completionHandler:^(GKMatch *match, NSError *error)
        {
            if(match != nil)
            {
                [self disconnectMatch];
                // Record the new match...
                self.MM_gameCenterCurrentMatch = match;
                self.MM_gameCenterCurrentMatch.delegate = self;
             }
            else if(error != nil)
            {
                NSLog(@"ERROR: From matchForInvite: %@", [error description]);
            }
            else 
            {
                NSLog(@"ERROR: Unexpected return from matchForInvite...");
            }
         }];
    }
};

    第三，获取朋友playerIds列表（不是别名） .

    第四，设置这样的GKMatchRequest ......我只邀请一位朋友：

    // Initialize the match request - Just targeting iOS 6 for now...
GKMatchRequest* request = [[GKMatchRequest alloc] init];
request.minPlayers = 2;
request.maxPlayers = 2;
request.playersToInvite = [NSArray arrayWithObject:player.playerID];
request.inviteMessage = @"Let's play!";
// This gets called when somebody accepts
request.inviteeResponseHandler = ^(NSString *playerID, GKInviteeResponse response)
{
    if (response == GKInviteeResponseAccepted)
    {
        //NSLog(@"DEBUG: Player Accepted: %@", playerID);
        // Tell the infrastructure we are don matching and will start using the match
        [[GKMatchmaker sharedMatchmaker] finishMatchmakingForMatch:self.MM_gameCenterCurrentMatch];
     }
};

    五，使用请求调用findMatchForRequest：withCompletionHandler：这样的......

    [[GKMatchmaker sharedMatchmaker] findMatchForRequest:request withCompletionHandler:^(GKMatch* match, NSError *error) {
    if (error)
    {
        NSLog(@"ERROR: Error makeMatch: %@", [error description] );
        [self disconnectMatch];
    }
    else if (match != nil)
    {
        // Record the new match and set me up as the delegate...
        self.MM_gameCenterCurrentMatch = match;
        self.MM_gameCenterCurrentMatch.delegate = self;
        // There will be no players until the players accept...
    }
}];

    第六，这将请求发送给另一个玩家，如果他们接受来自第二步的“inviteHandler”则被调用 .

    第七，来自第二步的“inviteHandler”获得了GKInvite的比赛！

    第八，来自第四步的“inviteeResponseHandler”被召唤完成比赛！

    第九，从GKMatchDelegate创建一个didChangeState来处理匹配的最终化 . 像这样的东西：

    - (void)match:(GKMatch *)match player:(NSString *)playerID didChangeState:(GKPlayerConnectionState)state{
switch (state)
{
    case GKPlayerStateConnected:
        // Handle a new player connection.
        break;
    case GKPlayerStateDisconnected:
        // A player just disconnected.
        break;
}
if (!self.matchStarted && match.expectedPlayerCount == 0)
{
    self.matchStarted = YES;
    // Handle initial match negotiation.
    if (self.iAmHost && !self.sentInitialResponse)
    {
        self.sentInitialResponse = true;
        // Send a hello log entry
        [self sendMessage: [NSString stringWithFormat:@"Message from friend, 'Hello, thanks for accepting, you have connected with %@'", self.MM_gameCenterLocalPlayer.alias] toPlayersInMatch: [NSArray arrayWithObject:playerID]];
    }
}}

    第十，这是我的sendMessage：

    - (void) sendMessage:(NSString*)action toPlayersInMatch:(NSArray*) playerIds{   
NSError* err = nil;
if (![self.MM_gameCenterCurrentMatch sendData:[action dataUsingEncoding:NSUTF8StringEncoding] toPlayers:playerIds withDataMode:GKMatchSendDataReliable error:&err])
{
    if (err != nil)
    {
        NSLog(@"ERROR: Could not send action to players (%@): %@ (%d) - '%@'" ,[playersInMatch componentsJoinedByString:@","],[err localizedDescription],[err code], action);
    }
    else
    {
        NSLog(@"ERROR: Could not send action to players (%@): null error - '%@'",[playersInMatch componentsJoinedByString:@","], action);
    }
}
else
{
    NSLog(@"DEBUG: Message sent to players (%@) - '%@'",[playersInMatch componentsJoinedByString:@","], action);
}}

    第十一，从GKMatchDelegate创建一个didReceiveData，如下所示：

    - (void)match:(GKMatch *)match didReceiveData:(NSData *)data fromPlayer:(NSString *)playerID{
NSString* actionString = [[[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding] autorelease];
// Send the initial response after we got the initial send from the
// invitee...
if (!self.iAmHost &&!self.sentInitialResponse)
{
    self.sentInitialResponse = true;
    // Send a hello log entry
    [self sendMessage: [NSString stringWithFormat:@"Message from friend, 'Hello, thanks for inviting, you have connected with %@'", self.MM_gameCenterLocalPlayer.alias] toPlayersInMatch: [NSArray arrayWithObject:playerID]];
}
// Execute the action we were sent...
NSLog(actionString);}

    第十二......好了，现在你已经开始运行了沟通渠道......做你想做的事......

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