Gamekit Framework: sending an int? - ios

Question

Hi I am building a game that uses the gamekit framework but I am having trouble sending to int using the "sendDataToAllPlayers", it cannot distinguish between the two int that I am sending. Here is some of my code:
typedef enum {
kMessageTypeRandomNumber = 0,
kMessageQN = 0,
kMessageTypeGameBegin,
kMessageTypeSelectAnswer1,
kMessageTypeSelectAnswer2,
kMessageTypeSelectAnswer3,
kMessageTypeGameOver
} MessageType;
typedef struct {
MessageType messageType;
} Message;
typedef struct {
Message message;
uint32_t randomNumber;
int SelectedQ;
} MessageRandomNumber;
the following is the send methods:
-(void)sendTheSelectedRandomQuestionWithQuestion {
MessageRandomNumber message;
message.message.messageType = kMessageQN;
message.SelectedQ = randomSelectedQuestion;
NSData *data = [NSData dataWithBytes:&message length:sizeof(MessageRandomNumber)];
[self sendData:data];
}
- (void)sendRandomNumber {
//ourRandom = arc4random()%100;
MessageRandomNumber message;
message.message.messageType = kMessageTypeRandomNumber;
message.randomNumber = ourRandom;
NSData *data = [NSData dataWithBytes:&message length:sizeof(MessageRandomNumber)];
[self sendData:data];
}
- (void)sendData:(NSData *)data {
NSError *error;
BOOL success = [[GCHelper sharedInstance].match sendDataToAllPlayers:data withDataMode:GKMatchSendDataReliable error:&error];
if (!success) {
NSLog(#"Error sending init packet");
[self matchEnded];
}
}
the following is the didreceivedatamethod:
- (void)match:(GKMatch *)match didReceiveData:(NSData *)data fromPlayer:(NSString *)playerID {
//Store away other player ID for later
if (otherPlayerID == nil) {
otherPlayerID = playerID;
}
Message *message = (Message *) [data bytes];
if (message->messageType == kMessageQN) {
NSLog(#"Received The Selected Question To Display");
debugLabel.text = #"received the selected q";
MessageRandomNumber * messageSelectedQuestion = (MessageRandomNumber *) [data bytes];
NSLog(#"The Selected Question is number: %ud",messageSelectedQuestion->SelectedQ);
randomSelectedQuestion = messageSelectedQuestion->SelectedQ;
[self displayTheSlectedQuestion];
} else if (message->messageType == kMessageTypeRandomNumber) {
MessageRandomNumber * messageInit = (MessageRandomNumber *) [data bytes];
NSLog(#"Received random number: %ud, ours %ud", messageInit->randomNumber, ourRandom);
bool tie = false;
if (messageInit->randomNumber == ourRandom) {
//NSLog(#"TIE!");
ourRandom = arc4random();
tie = true;
[self sendRandomNumber];
} else if (ourRandom > messageInit->randomNumber) {
NSLog(#"We are player 1");
isPlayer1 = YES;
//[self sendTheSelectedRandomQuestionWithQuestion];
} else {
NSLog(#"We are player 2");
isPlayer1 = NO;
}
if (!tie) {
receivedRandom = YES;
if (gameState == kGameStateWaitingForRandomNumber) {
[self setGameState:kGameStateWaitingForStart];
}
[self tryStartGame];
}
}
}
}
but for some mysterious reason every time I call the sendTheSelectedRandomQuestionWithQuestion when it is received it thinks that it is randomNumber and not SelectedQ? Can anyone help me please?

Answer 1

Ok, just figured out the problem. It should be:
typedef enum {
kMessageTypeRandomNumber = 0,
kMessageQN = 1,
kMessageTypeGameBegin,
kMessageTypeSelectAnswer1,
kMessageTypeSelectAnswer2,
kMessageTypeSelectAnswer3,
kMessageTypeGameOver
} MessageType;
Instead of:
typedef enum {
kMessageTypeRandomNumber = 0,
kMessageQN = 0,
kMessageTypeGameBegin,
kMessageTypeSelectAnswer1,
kMessageTypeSelectAnswer2,
kMessageTypeSelectAnswer3,
kMessageTypeGameOver
} MessageType;