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| import UIKit
import MultipeerConnectivity
let GAMING = 0
let GAMED = 1
class ViewController: UIViewController, MCSessionDelegate, MCBrowserViewControllerDelegate, UIAlertViewDelegate {
@IBOutlet weak var lblTimer: UILabel!
@IBOutlet weak var lblPlayer2: UILabel!
@IBOutlet weak var lblPlayer1: UILabel!
@IBOutlet weak var btnConnect: UIButton!
@IBOutlet weak var btnClick: UIButton!
var timer : NSTimer!
let serviceType = "P2PGame-service"
var serviceBrowser : MCBrowserViewController!
var assistant : MCAdvertiserAssistant!
var session : MCSession!
var peerID: MCPeerID!
override func viewDidLoad() {
super.viewDidLoad()
self.clearUI()
self.peerID = MCPeerID(displayName: UIDevice.currentDevice().name)
self.session = MCSession(peer: self.peerID)
self.session.delegate = self
self.serviceBrowser = MCBrowserViewController(serviceType: serviceType, session: self.session)
self.serviceBrowser.delegate = self
self.assistant = MCAdvertiserAssistant(serviceType: serviceType, discoveryInfo: nil, session: self.session)
self.assistant.start()
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
}
@IBAction func onClick(sender: AnyObject) {
if var count:Int = Int(self.lblPlayer1.text!) {
self.lblPlayer1.text = String(format: "%i", ++count)
let sendStr = String(format:"{\"code\":%i,\"count\":%i}",GAMING,count)
let data = sendStr.dataUsingEncoding(NSUTF8StringEncoding, allowLossyConversion: true)
var error : NSError?
try! self.session.sendData(data!, toPeers: self.session.connectedPeers, withMode: .Unreliable)
if error != nil {
NSLog("Error sending data: %@", error!.localizedDescription)
}
}
}
@IBAction func connect(sender: AnyObject) {
self.presentViewController(self.serviceBrowser, animated: true, completion: nil)
}
func clearUI() {
self.btnClick.enabled = false
self.lblPlayer1.text = "0"
self.lblPlayer2.text = "0"
self.lblTimer.text = "30s"
if self.timer != nil {
self.timer.invalidate()
}
}
func updateTimer() {
var strRemainTime = self.lblTimer.text! as NSString
let len = strRemainTime.length
strRemainTime = strRemainTime.substringToIndex(len - 1)
if var remainTime:Int = Int(strRemainTime as! String) {
remainTime--
if remainTime == 0 {
var player1 = Int(self.lblPlayer1.text!)
var player2 = Int(self.lblPlayer2.text!)
var msg = "平手"
if player1 > player2 {
msg = "我获胜"
} else if player1 < player2 {
msg = "对手获胜"
}
let alerView = UIAlertView(title: "Game Over.", message:msg, delegate: self, cancelButtonTitle: "OK")
alerView.show()
self.clearUI()
} else {
self.lblTimer.text = String(format: "%is", remainTime)
}
}
}
func alertView(alertView: UIAlertView, clickedButtonAtIndex buttonIndex: Int) {
self.btnClick.enabled = true
self.timer = NSTimer.scheduledTimerWithTimeInterval(1.0, target: self,
selector: "updateTimer",
userInfo: nil, repeats: true)
}
func session(session: MCSession!, peer peerID: MCPeerID!, didChangeState state: MCSessionState) {
var logmsg = ""
switch state {
case .NotConnected:
logmsg = "断开连接"
dispatch_async(dispatch_get_main_queue()) {
self.btnClick.enabled = false
}
case .Connecting:
logmsg = "连接中..."
case .Connected:
logmsg = "已连接"
dispatch_async(dispatch_get_main_queue()) {
self.btnClick.enabled = true
self.timer = NSTimer.scheduledTimerWithTimeInterval(1.0, target: self,
selector: "updateTimer",
userInfo: nil, repeats: true)
}
}
NSLog("Peer [%@] changed state to %@", peerID.displayName, logmsg)
}
func session(session: MCSession!, didReceiveData data: NSData!, fromPeer peerID: MCPeerID!) {
let jsonObj = try! NSJSONSerialization.JSONObjectWithData(data,
options: NSJSONReadingOptions.MutableContainers) as! [String : AnyObject]
let codeObj = jsonObj["code"] as! Int
if codeObj == GAMING {
let countObj = jsonObj["count"] as! Int
dispatch_async(dispatch_get_main_queue()) {
self.lblPlayer2.text = String(format: "%i", countObj)
}
} else if codeObj == GAMED {
dispatch_async(dispatch_get_main_queue()) {
self.clearUI()
}
}
}
func session(session: MCSession!, didReceiveStream stream: NSInputStream!, withName streamName: String!, fromPeer peerID: MCPeerID!) {
}
func session(session: MCSession!, didStartReceivingResourceWithName resourceName: String!, fromPeer peerID: MCPeerID!, withProgress progress: NSProgress!) {
}
func session(session: MCSession!, didFinishReceivingResourceWithName resourceName: String!, fromPeer peerID: MCPeerID!, atURL localURL: NSURL!, withError error: NSError!) {
}
func browserViewControllerDidFinish(browserViewController: MCBrowserViewController!) {
self.dismissViewControllerAnimated(true, completion: nil)
}
func browserViewControllerWasCancelled(browserViewController: MCBrowserViewController!) {
self.dismissViewControllerAnimated(true, completion: nil)
}
}
|