I have a 2-player, iOS turn-based game that uses the game center and GKTurnbasedMatch.
Is there a way to programmatically rematch an opponent after a match has finished?
I would like to give the players one-button access to starting a new match with each other.
If there is not a one button approach, what are some potential alternatives?
Indeed it appears a full programmatic solution is being ignored by Game Center. A pain, no doubt. Try the following in your @selector(doRematchTap)... or some equivalent:
NSMutableArray *playerIds = [NSMutableArray array];
GKTurnBasedParticipant *otherPlayer = /* Get the other player some way */;
GKTurnBasedParticipant *myParticipant = /* Get yourself a very similar way*/;
[playerIds addObject:myParticipant.playerID];
if (otherPlayer.playerID) {
[playerIds addObject:otherPlayer.playerID];
}// sanity check
GKMatchRequest *request = [[GKMatchRequest alloc] init];
request.playersToInvite = playerIds;
request.minPlayers = 2;
request.maxPlayers = 2;
GKTurnBasedMatchmakerViewController *tbmcv = [[GKTurnBasedMatchmakerViewController alloc] initWithMatchRequest:request];
tbmcv.showExistingMatches = NO;
tbmcv.turnBasedMatchmakerDelegate = /* Your normal delegate for the callbacks */;
[self presentViewController:tbmcv
animated:YES
completion:^{
}];
Important to note the showExistingMatches = NO, which will jump the view controller right into matchmaking mode with the correct user pre-selected (it seems), and not show the user's existing matches.
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