private async Task ConnectToPeers(PeerInformation peer)
{
try
{
progressBar.Visibility = Visibility.Visible;
UpdatePlayerStatus(peer, " - connecting...");
StreamSocket s = await PeerFinder.ConnectAsync(peer);
ConnectedPeer temp = new ConnectedPeer(peer.DisplayName);
connectedPeers[temp] = new SocketReaderWriter(s, this);
connectedPeers[temp].ReadMessage();
UpdatePlayerStatus(peer, " - ready");
ConnectedPlayers.Items.Add(peer.DisplayName);
startGameButton.Visibility = Visibility.Visible;
}
catch (Exception)
{
sendInvitationsText.Text = "Cannot connect to " + peer.DisplayName;
}
// PeerFinder.ConnectAsync aborts PeerWatcher
// restart PeerWatcher whether connect failed or succeeded
StartPeerWatcher();
}
// Used to display state of the connection (i.e. connecting, connected, disconnected) when two PCs are tapped.
private async void TriggeredConnectionStateChanged(object sender, TriggeredConnectionStateChangedEventArgs e)
{
await messageDispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
bool tapIsProcessed = false;
switch (e.State)
{
case TriggeredConnectState.PeerFound:
directions.Visibility = Visibility.Collapsed;
nfcStatusText.Visibility = Visibility.Visible;
foundPeers.IsEnabled = false;
progressBar.Visibility = Visibility.Visible;
backButton.Visibility = Visibility.Collapsed;
break;
case TriggeredConnectState.Completed:
// Associate socket handed back by TriggeredConnectionStateChanged event with player connectedPeers.
socket = new SocketReaderWriter(e.Socket, this);
socket.ReadMessage();
socket.WriteMessage(string.Format("{0} {1}", Constants.OpCodeSendDisplayName, PeerFinder.DisplayName));
startGameButton.Visibility = Visibility.Visible;
tapIsProcessed = true;
break;
case TriggeredConnectState.Failed:
tapIsProcessed = true;
break;
}
// Reset UI
if (tapIsProcessed)
{
nfcStatusText.Visibility = Visibility.Collapsed;
foundPeers.IsEnabled = true;
lock (availablePeers)
{
if (availablePeers.Count > 0)
{
directions.Visibility = Visibility.Visible;
}
}
// Progress bar should be visible as long as PeerWatcher is running
progressBar.Visibility = Visibility.Collapsed;
if (peerWatcher != null)
{
PeerWatcherStatus status = peerWatcher.Status;
if (status == PeerWatcherStatus.EnumerationCompleted || status == PeerWatcherStatus.Started)
{
progressBar.Visibility = Visibility.Visible;
}
}
}
});
}
public void SendParams(SocketReaderWriter socket, int id)
{
// Should only be called if the app is a host.
// Otherwise it has no idea which socket is being used.
if (PeerFinder.Role == PeerRole.Host)
{
// Write the op code, number of players, time limit.
socket.WriteMessage(string.Format("{0} {1} {2} {3}", Constants.OpCodeParams, playerCount, timesToTick, id));
}
}
/// <summary>
/// Populates the page with content passed during navigation. Any saved state is also
/// provided when recreating a page from a prior session.
/// </summary>
/// <param name="navigationParameter">The parameter value passed to
/// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested.
/// </param>
/// <param name="pageState">A dictionary of state preserved by this page during an earlier
/// session. This will be null the first time a page is visited.</param>
private void LoadState(Object navigationParameter, Dictionary <String, Object> pageState)
{
ScorePageParameters parameters = (ScorePageParameters)navigationParameter;
gameScore = parameters.Score;
gameMode = parameters.GameMode;
if (gameMode == Constants.SinglePlayer)
{
finalScoreDisplay.Text = "You scored " + parameters.Score.ToString();
progressBar.Visibility = Visibility.Collapsed;
}
else
{
// Each player starts with an empty list of scores
// Hosts populate their lists as they receive scores
// Clients populate their lists when the host sends them scores
playerScores = new Dictionary <string, string>();
connectedPeers = parameters.ConnectedPeers;
foreach (ConnectedPeer peer in connectedPeers.Keys)
{
try
{
// Set each socket's current page to ScorePage.
connectedPeers[peer].currentPage = this;
connectedPeers[peer].UpdateCurrentPageType();
if (gameMode != Constants.SinglePlayer)
{
if (PeerFinder.Role == PeerRole.Client)
{
socket = connectedPeers[peer];
}
else if (PeerFinder.Role == PeerRole.Host)
{
numPlayers = connectedPeers.Count + 1;
closedSockets = 0;
playerScores[PeerFinder.DisplayName] = gameScore.ToString();
connectedPeers[peer].WriteMessage(Message.Navigated);
}
}
}
catch (Exception err)
{
infoText.Text += "\nError loading scores: \n" + err.ToString();
}
}
}
}
/// <summary>
/// Invoked when this page is about to be displayed in a Frame.
/// </summary>
/// <param name="e">Event data that describes how this page was reached. The Parameter
/// property is typically used to configure the page.</param>
private async void LoadState(Object navigationParameter, Dictionary <String, Object> pageState)
{
// Users wait (i.e. watch progress) on this page until the connection has succeeded/failed.
backButton.Visibility = Visibility.Collapsed;
if (navigationParameter != null)
{
WaitingForHostParameters parameters = (WaitingForHostParameters)navigationParameter;
if (parameters.Peer != null)
{
pageTitle.Text = "Connecting to " + parameters.Peer.DisplayName.ToString() + "...";
try
{
StreamSocket socket = await PeerFinder.ConnectAsync(parameters.Peer);
pageTitle.Text = "Connected! Waiting for Host...";
this.socket = new SocketReaderWriter(socket, this);
ConnectedPeer tempPeer = new ConnectedPeer(parameters.Peer.DisplayName);
connectedPeers[tempPeer] = this.socket;
PeerFinder.Stop();
StartReading();
}
catch (Exception)
{
pageTitle.Text = "Cannot connect to " + parameters.Peer.DisplayName;
PeerFinder.Stop();
}
progressBar.Visibility = Visibility.Collapsed;
backButton.Visibility = Visibility.Visible;
}
else if (parameters.Socket != null)
{
try
{
this.socket = new SocketReaderWriter(parameters.Socket, this);
pageTitle.Text = "Waiting for Host...";
socket.WriteMessage(string.Format("{0} {1}", Constants.OpCodeSendDisplayName, PeerFinder.DisplayName));
PeerFinder.Stop();
StartReading();
}
catch (Exception)
{
pageTitle.Text = "Cannot connect";
PeerFinder.Stop();
}
backButton.Visibility = Visibility.Visible;
progressBar.Visibility = Visibility.Collapsed;
}
}
}
/// <summary>
/// Invoked when this page is about to be displayed in a Frame.
/// </summary>
/// <param name="e">Event data that describes how this page was reached. The Parameter
/// property is typically used to configure the page.</param>
private async void LoadState(Object navigationParameter, Dictionary<String, Object> pageState)
{
// Users wait (i.e. watch progress) on this page until the connection has succeeded/failed.
backButton.Visibility = Visibility.Collapsed;
if (navigationParameter != null)
{
WaitingForHostParameters parameters = (WaitingForHostParameters)navigationParameter;
if (parameters.Peer != null)
{
pageTitle.Text = "Connecting to " + parameters.Peer.DisplayName.ToString() + "...";
try
{
StreamSocket socket = await PeerFinder.ConnectAsync(parameters.Peer);
pageTitle.Text = "Connected! Waiting for Host...";
this.socket = new SocketReaderWriter(socket, this);
ConnectedPeer tempPeer = new ConnectedPeer(parameters.Peer.DisplayName);
connectedPeers[tempPeer] = this.socket;
PeerFinder.Stop();
StartReading();
}
catch (Exception)
{
pageTitle.Text = "Cannot connect to " + parameters.Peer.DisplayName;
PeerFinder.Stop();
}
progressBar.Visibility = Visibility.Collapsed;
backButton.Visibility = Visibility.Visible;
}
else if (parameters.Socket != null)
{
try
{
this.socket = new SocketReaderWriter(parameters.Socket, this);
pageTitle.Text = "Waiting for Host...";
socket.WriteMessage(string.Format("{0} {1}", Constants.OpCodeSendDisplayName, PeerFinder.DisplayName));
PeerFinder.Stop();
StartReading();
}
catch (Exception)
{
pageTitle.Text = "Cannot connect";
PeerFinder.Stop();
}
backButton.Visibility = Visibility.Visible;
progressBar.Visibility = Visibility.Collapsed;
}
}
}
private void LoadState(object navigationParameter, Dictionary<string, object> pageState)
{
// Unpack the navigation parameters passed from either the Main Page (singleplayer mode)
// or the Invite Players page (singlePair, multiplayer mode).
GamePageParameters parameters = (GamePageParameters)navigationParameter;
if (PeerFinder.Role == PeerRole.Host)
{
timesToTick = Constants.PlayTime * Constants.TimeUnitsPerSecond;
}
gameMode = parameters.GameMode;
if (gameMode != Constants.SinglePlayer)
{
// Not for single player games.
connectedPeers = parameters.ConnectedPeers;
// You should only have one socket if you're a client
// Regardless, update each socket's current page to the game page
foreach (ConnectedPeer host in connectedPeers.Keys)
{
socket = connectedPeers[host];
socket.currentPage = this;
socket.UpdateCurrentPageType();
}
playerCount = parameters.PlayerCount;
}
images = new Image[Constants.GridRows, Constants.GridColumns];
random = new Random();
gameTimer = new DispatcherTimer();
gameTimer.Interval = TimeSpan.FromMilliseconds(Constants.TimeUnit);
gameTimer.Tick += UpdateTimer;
if (gameMode == Constants.SinglePlayer)
{
InitImages();
timesToTick = Constants.PlayTime * Constants.TimeUnitsPerSecond;
StartGame();
}
else if (gameMode == Constants.MultiPlayer)
{
// See what your role is.
if (PeerFinder.Role == PeerRole.Host)
{
playerList = new Dictionary<int, string>();
playerList[0] = PeerFinder.DisplayName;
playerID = 0;
int counter = 1;
foreach (ConnectedPeer peer in connectedPeers.Keys)
{
playerList[counter] = peer.DisplayName;
SendParams(connectedPeers[peer], counter);
counter++;
}
InitImages();
}
}
}
public void SendParams(SocketReaderWriter socket, int id)
{
// Should only be called if the app is a host.
// Otherwise it has no idea which socket is being used.
if (PeerFinder.Role == PeerRole.Host)
{
// Write the op code, number of players, time limit.
socket.WriteMessage(string.Format("{0} {1} {2} {3}", Constants.OpCodeParams, playerCount, timesToTick, id));
}
}
private async Task ConnectToPeers(PeerInformation peer)
{
try
{
progressBar.Visibility = Visibility.Visible;
UpdatePlayerStatus(peer, " - connecting...");
StreamSocket s = await PeerFinder.ConnectAsync(peer);
ConnectedPeer temp = new ConnectedPeer(peer.DisplayName);
connectedPeers[temp] = new SocketReaderWriter(s, this);
connectedPeers[temp].ReadMessage();
UpdatePlayerStatus(peer, " - ready");
ConnectedPlayers.Items.Add(peer.DisplayName);
startGameButton.Visibility = Visibility.Visible;
}
catch (Exception)
{
sendInvitationsText.Text = "Cannot connect to " + peer.DisplayName;
}
// PeerFinder.ConnectAsync aborts PeerWatcher
// restart PeerWatcher whether connect failed or succeeded
StartPeerWatcher();
}
// Used to display state of the connection (i.e. connecting, connected, disconnected) when two PCs are tapped.
private async void TriggeredConnectionStateChanged(object sender, TriggeredConnectionStateChangedEventArgs e)
{
await messageDispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
bool tapIsProcessed = false;
switch (e.State)
{
case TriggeredConnectState.PeerFound:
directions.Visibility = Visibility.Collapsed;
nfcStatusText.Visibility = Visibility.Visible;
foundPeers.IsEnabled = false;
progressBar.Visibility = Visibility.Visible;
backButton.Visibility = Visibility.Collapsed;
break;
case TriggeredConnectState.Completed:
// Associate socket handed back by TriggeredConnectionStateChanged event with player connectedPeers.
socket = new SocketReaderWriter(e.Socket, this);
socket.ReadMessage();
socket.WriteMessage(string.Format("{0} {1}", Constants.OpCodeSendDisplayName, PeerFinder.DisplayName));
startGameButton.Visibility = Visibility.Visible;
tapIsProcessed = true;
break;
case TriggeredConnectState.Failed:
tapIsProcessed = true;
break;
}
// Reset UI
if (tapIsProcessed)
{
nfcStatusText.Visibility = Visibility.Collapsed;
foundPeers.IsEnabled = true;
lock (availablePeers)
{
if (availablePeers.Count > 0)
{
directions.Visibility = Visibility.Visible;
}
}
// Progress bar should be visible as long as PeerWatcher is running
progressBar.Visibility = Visibility.Collapsed;
if (peerWatcher != null)
{
PeerWatcherStatus status = peerWatcher.Status;
if (status == PeerWatcherStatus.EnumerationCompleted || status == PeerWatcherStatus.Started)
{
progressBar.Visibility = Visibility.Visible;
}
}
}
});
}
private void LoadState(object navigationParameter, Dictionary <string, object> pageState)
{
// Unpack the navigation parameters passed from either the Main Page (singleplayer mode)
// or the Invite Players page (singlePair, multiplayer mode).
GamePageParameters parameters = (GamePageParameters)navigationParameter;
if (PeerFinder.Role == PeerRole.Host)
{
timesToTick = Constants.PlayTime * Constants.TimeUnitsPerSecond;
}
gameMode = parameters.GameMode;
if (gameMode != Constants.SinglePlayer)
{
// Not for single player games.
connectedPeers = parameters.ConnectedPeers;
// You should only have one socket if you're a client
// Regardless, update each socket's current page to the game page
foreach (ConnectedPeer host in connectedPeers.Keys)
{
socket = connectedPeers[host];
socket.currentPage = this;
socket.UpdateCurrentPageType();
}
playerCount = parameters.PlayerCount;
}
images = new Image[Constants.GridRows, Constants.GridColumns];
random = new Random();
gameTimer = new DispatcherTimer();
gameTimer.Interval = TimeSpan.FromMilliseconds(Constants.TimeUnit);
gameTimer.Tick += UpdateTimer;
if (gameMode == Constants.SinglePlayer)
{
InitImages();
timesToTick = Constants.PlayTime * Constants.TimeUnitsPerSecond;
StartGame();
}
else if (gameMode == Constants.MultiPlayer)
{
// See what your role is.
if (PeerFinder.Role == PeerRole.Host)
{
playerList = new Dictionary <int, string>();
playerList[0] = PeerFinder.DisplayName;
playerID = 0;
int counter = 1;
foreach (ConnectedPeer peer in connectedPeers.Keys)
{
playerList[counter] = peer.DisplayName;
SendParams(connectedPeers[peer], counter);
counter++;
}
InitImages();
}
}
}
/// <summary>
/// Populates the page with content passed during navigation. Any saved state is also
/// provided when recreating a page from a prior session.
/// </summary>
/// <param name="navigationParameter">The parameter value passed to
/// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested.
/// </param>
/// <param name="pageState">A dictionary of state preserved by this page during an earlier
/// session. This will be null the first time a page is visited.</param>
private void LoadState(Object navigationParameter, Dictionary<String, Object> pageState)
{
ScorePageParameters parameters = (ScorePageParameters)navigationParameter;
gameScore = parameters.Score;
gameMode = parameters.GameMode;
if (gameMode == Constants.SinglePlayer)
{
finalScoreDisplay.Text = "You scored " + parameters.Score.ToString();
progressBar.Visibility = Visibility.Collapsed;
}
else
{
// Each player starts with an empty list of scores
// Hosts populate their lists as they receive scores
// Clients populate their lists when the host sends them scores
playerScores = new Dictionary<string, string>();
connectedPeers = parameters.ConnectedPeers;
foreach (ConnectedPeer peer in connectedPeers.Keys)
{
try
{
// Set each socket's current page to ScorePage.
connectedPeers[peer].currentPage = this;
connectedPeers[peer].UpdateCurrentPageType();
if (gameMode != Constants.SinglePlayer)
{
if (PeerFinder.Role == PeerRole.Client)
{
socket = connectedPeers[peer];
}
else if (PeerFinder.Role == PeerRole.Host)
{
numPlayers = connectedPeers.Count + 1;
closedSockets = 0;
playerScores[PeerFinder.DisplayName] = gameScore.ToString();
connectedPeers[peer].WriteMessage(Message.Navigated);
}
}
}
catch (Exception err)
{
infoText.Text += "\nError loading scores: \n" + err.ToString();
}
}
}
}