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试图使用GameKit和GKMatch编写一个小型实时纸牌游戏。 我已经按照this Game Center tutorial(在Objective-C),但现在卡住试图将其转换为雨燕2.通过NSData发送的数据仅部分收到
我枚举和结构:
enum Messagetype:Int {
case kMessageTypeRandomNumber = 0
case kMessageTypeGameBegin = 1
case kMessageTypeMove = 2
case kMessageTypeGameOver = 3
}
struct Message {
var messageType:Messagetype = .kMessageTypeMove
}
struct MessageRandomNumber {
var message = Message()
var randomNumber: Int = -1
}
var ourRandomNumber:Int = Int(arc4random_uniform(100000))+1
乐趣sendRandomNumber()
func sendRandomNumber() {
var message = MessageRandomNumber()
message.randomNumber = self.ourRandomNumber
message.message.messageType = .kMessageTypeRandomNumber
let data = NSData(bytes: &message, length: sizeof(MessageRandomNumber))
self.sendData(data)
print ("Random number \(message.randomNumber) sent from \(localPlayer.alias!)")
}
FUNC送出数据
func sendData(data: NSData) {
let gameKitHelper = GameKitHelper.sharedGameKitHelper
var succes:Bool? = true
do {
try gameKitHelper.match.sendDataToAllPlayers(data, withDataMode: .Reliable)
} catch {
succes = nil
}
if succes == nil {
print ("Error sending data.")
}
}
FUNC match.didReceiveD ATA
func match(match: GKMatch, didReceiveData data: NSData, fromRemotePlayer player: GKPlayer) {
print ("Data received.")
let message:Message = UnsafePointer<Message>(data.bytes).memory as Message
if (message.messageType == .kMessageTypeRandomNumber) {
let messageRandomNumber:MessageRandomNumber = UnsafePointer<MessageRandomNumber>(data.bytes).memory as MessageRandomNumber
print ("Received random number \(messageRandomNumber.randomNumber)")
}
我可以在一个随机数<> 0被选择,并使用sendRandomNumber从设备发送的日志中看到。
通过didReceiveData步进我看到的是:
- message.messageType = .kMessageTypeRandomNumber(其是从该结构用同样,该值是在设定sendRandomNumber初始化的值不同,所以我相信这部分得到正确发送)。
- messageRandomNumber.message.messageType = .kMessageTypeRandomNumber(再次正确)
- 然而,messageRandomNumber.randomNumber始终为0(这是不正确的)
有什么明显的,我在这里失踪?
谢谢。这是完全有道理的,但我似乎无法在Apple的文档中找到它(https://developer.apple.com/library/prerelease/ios/documentation/GameKit/Reference/GKMatchDelegate_Ref/index.html#//apple_ref/ occ/intfm/GKMatchDelegate/match:didReceiveData:fromRemotePlayer :) –
哎呀,按下发送太快在移动。你能指出我在正确的方向,我可以找到我应该如何在Swift中做到这一点? –
我可以使用EnumerateByteRangesUsingBlock代替直接访问bytes属性吗? –