如何从排行榜(游戏中心)获得认证玩家的高分

时间:2011-06-09 14:15:57

标签: iphone ios game-center

我需要从Game Center检索经过身份验证的玩家提交的分数。我使用此代码来获得分数,但它只获得最高分(排行榜的最高分不是指定玩家的分数)。如何检索经过身份验证的玩家的分数?

- (void) retrievePlayersScore {
    GKLeaderboard *leaderboardRequest = [[GKLeaderboard alloc] init]; 
    if (leaderboardRequest != nil) {
        leaderboardRequest.playerScope = GKLeaderboardPlayerScopeGlobal; 
        leaderboardRequest.timeScope = GKLeaderboardTimeScopeAllTime; 
        leaderboardRequest.range = NSMakeRange(1,1);
        [leaderboardRequest loadScoresWithCompletionHandler: ^(NSArray *scores, NSError *error) {
            if (error != nil) {
                // handle the error. if (scores != nil)
            }
            if (scores != nil){
                // process the score information.
                CCLOG(@"My Score: %d", ((GKScore*)[scores objectAtIndex:0]).value);
            } 
        }];
    }
}

4 个答案:

答案 0 :(得分:10)

您可以使用以下代码:

GKLeaderboard *leaderboardRequest = [[GKLeaderboard alloc] init];

leaderboardRequest.identifier = _leaderboardIdentifier;

if (leaderboardRequest != nil) {
    [leaderboardRequest loadScoresWithCompletionHandler:^(NSArray *scores, NSError *error){
        if (error != nil) {
            //Handle error
        }
        else{
            [delegate onLocalPlayerScoreReceived:leaderboardRequest.localPlayerScore];
        }
    }];
}

答案 1 :(得分:6)

您只需针对给定的loadScoresWithCompletionHandler点击GKLeaderboard,然后将自动board.localPlayerScore填写该主板。

例如,

- (void) getLoadLeaderboardPositions
{
  [GKLeaderboard loadLeaderboardsWithCompletionHandler:^(NSArray *leaderboards, NSError *nsError) {
    if( nsError != nil )
    {
      error( nsError, "get leaderboard score" ) ;
      return ;
    }

    for( GKLeaderboard* board in leaderboards )
    {
      // fetch score for minimum amt of data, b/c must call `loadScore..` to get MY score.
      board.playerScope = GKLeaderboardPlayerScopeFriendsOnly ;
      board.timeScope = GKLeaderboardTimeScopeAllTime ;

      NSRange range = {.location = 1, .length = 1};
      board.range = range ;

      [board loadScoresWithCompletionHandler:^(NSArray *scores, NSError *error) {
        printf( "YOUR SCORE ON BOARD %s WAS %lld\n", [board.title UTF8String], board.localPlayerScore.value ) ;
      }] ;
    }
  }] ;
}

答案 2 :(得分:5)

您也可以尝试使用一系列玩家ID来启动排行榜,以缩小玩家数量:

GKLeaderboard *board = [[[GKLeaderboard alloc] initWithPlayerIDs:[NSArray arrayWithObject:myGCPlayerID]] autorelease];

答案 3 :(得分:1)

使用Swift更新版本

let localPlayer = GKLocalPlayer.localPlayer()

if localPlayer.isAuthenticated {
    let leaderboard = GKLeaderboard(players: [localPlayer])
    leaderboard.identifier = LEADERBOARD_ID
    leaderboard.timeScope = .allTime
    leaderboard.loadScores(completionHandler: {
        (scores, error) in

        let bestScore = scores?.first?.value

        if bestScore != nil {
            // Do something with bestScore
        }
    })
}