[ADDED] Color can now we transfered, still need to get fixed with the buffer -_-

Client/Client.cs

@@ -4,12 +4,14 @@ using System.Collections.Generic;
 using System.Diagnostics;
 using System.Net.Sockets;
 using System.Text;
+using System.Windows.Media;
 using static SharedClientServer.JSONConvert;
 
 namespace Client
 {
     public delegate void LobbyJoinCallback(bool isHost);
-    public delegate void CanvasDataReceived(double[] coordinates);
+    public delegate void CanvasDataReceived(double[] coordinates, Color color);
+    public delegate void CanvasReset();
     public delegate void LobbyCallback(int id);
     class Client : ObservableObject
     {
@@ -32,6 +34,7 @@ namespace Client
         public LobbyCallback OnLobbyLeave;
         private ClientData data = ClientData.Instance;
         public CanvasDataReceived CanvasDataReceived;
+        public CanvasReset CReset;
         public Lobby[] Lobbies { get; set; }
 
         public Client(string username)
@@ -55,13 +58,14 @@ namespace Client
         private void OnReadComplete(IAsyncResult ar)
         {
             int amountReceived = stream.EndRead(ar);
-
+            if (totalBufferReceived + amountReceived > 1024)
-            if (totalBufferReceived > 2048)
             {
                 throw new OutOfMemoryException("buffer too small");
-            }
+            }
-
+
-            Array.Copy(buffer, 0, totalBuffer, totalBufferReceived, amountReceived);
+            // copy the received bytes into the buffer
+            Array.Copy(buffer, 0, totalBuffer, totalBufferReceived, amountReceived);
+            // add the bytes we received to the total amount
             totalBufferReceived += amountReceived;
 
             int expectedMessageLength = BitConverter.ToInt32(totalBuffer, 0);
@@ -144,8 +148,18 @@ namespace Client
 
                 case JSONConvert.CANVAS:
                     // canvas data
-                    //clientData.CanvasData = JSONConvert.getCoordinates(payload);                   
+                    //clientData.CanvasData = JSONConvert.getCoordinates(payload);         
-                    CanvasDataReceived?.Invoke(JSONConvert.getCoordinates(payload));
+                    CanvasInfo type = JSONConvert.GetCanvasMessageType(payload);
+                    switch (type)
+                    {
+                        case CanvasInfo.RESET:
+                            CReset?.Invoke();
+                            break;
+
+                        case CanvasInfo.DRAWING:
+                            CanvasDataReceived?.Invoke(JSONConvert.getCoordinates(payload), JSONConvert.getCanvasDrawingColor(payload));
+                            break;
+                    }
                     break;
 
                 default:

Client/ViewModels/ViewModel.cs

@@ -92,7 +92,7 @@ namespace Client
             // nieuwe binnengekregen lobby toevoegen
             if (SelectedLobby != null)
             {
-                if (SelectedLobby.PlayersIn == SelectedLobby.MaxPlayers || !SelectedLobby.LobbyJoineble)
+                if (SelectedLobby.PlayersIn == SelectedLobby.MaxPlayers || !SelectedLobby.LobbyJoinable)
                 {
                     return;
                 }

Client/ViewModels/ViewModelGame.cs

@@ -2,6 +2,7 @@
 using Client.Views;
 using GalaSoft.MvvmLight.Command;
 using SharedClientServer;
+using System;
 using System.Collections.ObjectModel;
 using System.ComponentModel;
 using System.Diagnostics;
@@ -39,13 +40,9 @@ namespace Client.ViewModels
             }
         }
 
-        public User User
+        public bool IsHost
         {
-            get { return data.User; }
+            get { return data.User.Host; }
-            set 
-            {
-                data.User = value; 
-            }
         }
 
         public ViewModelGame(GameWindow window)
@@ -64,18 +61,28 @@ namespace Client.ViewModels
             }
             OnKeyDown = new RelayCommand(ChatBox_KeyDown);
             ButtonStartGame = new RelayCommand(BeginGame);
+            ButtonResetCanvas = new RelayCommand(CanvasResetLocal);
             data.Client.CanvasDataReceived = UpdateCanvasWithNewData;
+            data.Client.CReset = CanvasResetData;
         }
 
-        public ObservableCollection<string> Messages { get; } = new ObservableCollection<string>();
         public ICommand OnKeyDown { get; set; }
         public ICommand ButtonStartGame { get; set; }
+        public ICommand ButtonResetCanvas { get; set; }
        
         public void BeginGame()
         {
             data.Client.SendMessage(JSONConvert.ConstructGameStartData(data.Lobby.ID));
         }
 
+
+        private void CanvasResetLocal()
+        {
+            this.window.CanvasForPaint.Children.Clear();
+            data.Client.SendMessage(JSONConvert.GetMessageToSend(JSONConvert.CANVAS, JSONConvert.CanvasInfo.RESET));
+        }
+
+
         public void Canvas_MouseDown(MouseButtonEventArgs e, GameWindow window)
         {
             if (e.ButtonState == MouseButtonState.Pressed)
@@ -104,7 +111,7 @@ namespace Client.ViewModels
                 currentPoint = e.GetPosition(window.CanvasForPaint);
 
                 window.CanvasForPaint.Children.Add(line);
-                data.Client.SendMessage(JSONConvert.ConstructCanvasDataSend(coordinates));
+                data.Client.SendMessage(JSONConvert.ConstructCanvasDataSend(JSONConvert.CanvasInfo.DRAWING,coordinates, color));
             }
         }
 
@@ -118,20 +125,23 @@ namespace Client.ViewModels
             color = colorSelected;
         }
 
-        private void UpdateCanvasWithNewData(double[] coordinates)
+        private void UpdateCanvasWithNewData(double[] coordinates, Color color)
         {
             Application.Current.Dispatcher.Invoke(delegate
             {
                 Line line = new Line();
-                line.Stroke = new SolidColorBrush(Colors.Black);
+                line.Stroke = new SolidColorBrush(color);
                 line.X1 = coordinates[0];
                 line.Y1 = coordinates[1];
                 line.X2 = coordinates[2];
                 line.Y2 = coordinates[3];
-
                 this.window.CanvasForPaint.Children.Add(line);
             });
-            
+        }
+
+        private void CanvasResetData()
+        {
+            this.window.CanvasForPaint.Children.Clear();
         }
 
         private void ChatBox_KeyDown()

Client/Views/GameWindow.xaml

@@ -49,7 +49,7 @@
             <Button Name="CanvasReset" Click="CanvasReset_Click" Grid.Row="0" Grid.Column="3" Content="RESET"/>
         </Grid>
 
-        <Button Name="StartGame" Grid.Row="0" Grid.Column="2" Content="Start Game" FontSize="20" Command="{Binding ButtonStartGame}" IsEnabled="{Binding User.Host}"/>
+        <Button Name="StartGame" Grid.Row="0" Grid.Column="2" Content="Start Game" FontSize="20" Command="{Binding ButtonStartGame}" IsEnabled="{Binding IsHost}"/>
 
 
         <Border Grid.Row="1" Grid.Column="1" Margin ="10,10,10,10" BorderBrush="Black" BorderThickness ="2.5">

Client/Views/MainWindow.xaml

@@ -58,7 +58,7 @@
                     <GridViewColumn Header="Lobby ID" DisplayMemberBinding="{Binding ID}" Width="70"/>
                     <GridViewColumn Header="Players in" DisplayMemberBinding="{Binding PlayersIn}" Width="70"/>
                     <GridViewColumn Header="max players available" DisplayMemberBinding="{Binding MaxPlayers}" Width="150"/>
-                    <GridViewColumn Header="joineble" DisplayMemberBinding="{Binding LobbyJoineble}"/>
+                    <GridViewColumn Header="joinable" DisplayMemberBinding="{Binding LobbyJoinable}"/>
                 </GridView>
             </ListView.View>
         </ListView>

Server/Models/ServerClient.cs

@@ -150,10 +150,28 @@ namespace Server.Models
 
                 case JSONConvert.CANVAS:
                     Debug.WriteLine("[SERVERCLIENT] GOT A MESSAGE FROM THE CLIENT ABOUT THE CANVAS!!!");
-                    dynamic canvasData = new {
+                    CanvasInfo typeToCheck = JSONConvert.GetCanvasMessageType(payload);
-                        coordinatesLine = JSONConvert.getCoordinates(payload)
+                    switch (typeToCheck)
-                    };
+                    {
-                    serverCom.SendToLobby(serverCom.GetLobbyForUser(User), JSONConvert.GetMessageToSend(CANVAS, canvasData));
+                        case CanvasInfo.DRAWING:
+                            dynamic canvasData = new
+                            {
+                                type = JSONConvert.GetCanvasMessageType(payload),
+                                coordinatesLine = JSONConvert.getCoordinates(payload),
+                                color = JSONConvert.getCanvasDrawingColor(payload)
+                            };
+                            serverCom.SendToLobby(serverCom.GetLobbyForUser(User), JSONConvert.GetMessageToSend(CANVAS, canvasData));
+                            break;
+
+                        case CanvasInfo.RESET:
+                            dynamic canvasDataForReset = new
+                            {
+                                type = JSONConvert.GetCanvasMessageType(payload)
+                            };
+                            serverCom.SendToLobby(serverCom.GetLobbyForUser(User), JSONConvert.GetMessageToSend(CANVAS, canvasDataForReset));
+                            break;
+                    }
+                    
 
                     // canvas data
                     // todo send canvas data to all other serverclients in lobby

Server/Models/ServerCommunication.cs

@@ -149,6 +149,21 @@ namespace Server.Models
             }
         }
 
+        public void SendCanvasDataToLobby(Lobby lobby, string username, byte[] message)
+        {
+            foreach (Lobby l in lobbies)
+            {
+                if (l == lobby)
+                {
+                    foreach (ServerClient sc in serverClientsInlobbies[l])
+                    {
+                        sc.sendMessage(message);
+                    }
+                    break;
+                }
+            }
+        }
+
         public Lobby GetLobbyForUser(User user)
         {
             foreach (Lobby l in lobbies)
@@ -261,7 +276,7 @@ namespace Server.Models
             {
                 if (lobby.ID == lobbyID)
                 {
-                    lobby.LobbyJoineble = false;
+                    lobby.LobbyJoinable = false;
                 }
             }
         }

SharedClientServer/JSONConvert.cs

@@ -6,7 +6,8 @@ using System.Collections.Generic;
 using System.Diagnostics;
 using System.Linq;
 using System.Text;
-
+using System.Windows.Media;
+
 namespace SharedClientServer
 {
     class JSONConvert
@@ -26,6 +27,13 @@ namespace SharedClientServer
             LIST,
             REQUEST
         }
+
+        public enum CanvasInfo
+        {
+            DRAWING,
+            RESET
+        }
+
         public static (string,string) GetUsernameAndMessage(byte[] json)
         {
             string msg = Encoding.ASCII.GetString(json);
@@ -149,24 +157,40 @@ namespace SharedClientServer
 
         #endregion
 
-        public static byte[] ConstructCanvasDataSend(double[] coordinates)
+        public static byte[] ConstructCanvasDataSend(CanvasInfo typeToSend, double[] coordinates, Color colorToSend)
         {
             return GetMessageToSend(CANVAS, new
             {
-                coordinatesLine = coordinates
+                type = typeToSend,
-            });
+                coordinatesLine = coordinates,
+                color = colorToSend
+            }); ;
+        }
+
+        public static CanvasInfo GetCanvasMessageType(byte[] payload)
+        {
+            dynamic json = JsonConvert.DeserializeObject(Encoding.ASCII.GetString(payload));
+            CanvasInfo type = json.type;
+            return type;
         }
 
         public static double[] getCoordinates(byte[] payload)
         {
-            dynamic payloadD = JsonConvert.DeserializeObject(Encoding.ASCII.GetString(payload));
+            dynamic json = JsonConvert.DeserializeObject(Encoding.ASCII.GetString(payload));
-            JArray coordinatesArray = payloadD.coordinatesLine;
+            JArray coordinatesArray = json.coordinatesLine;
 
             double[] coordinates = coordinatesArray.ToObject<double[]>();
 
             return coordinates;
         }
 
+        public static Color getCanvasDrawingColor(byte[] payload)
+        {
+            dynamic json = JsonConvert.DeserializeObject(Encoding.ASCII.GetString(payload));
+            Color color = json.color;
+            return color;
+        }
+
         public static byte[] ConstructGameStartData(int lobbyID)
         {
             string startGame = "startGame";

SharedClientServer/Lobby.cs

@@ -14,7 +14,7 @@ namespace Client
         private int _id;
         private int _playersIn;
         private int _maxPlayers;
-        private bool _lobbyJoineble;
+        private bool _lobbyJoinable;
         //private List<string> _usernames;
         private List<User> _users;
 
@@ -35,7 +35,7 @@ namespace Client
             _maxPlayers = maxPlayers;
             //_usernames = new List<string>();
             _users = new List<User>();
-            _lobbyJoineble = true;
+            _lobbyJoinable = true;
         }
 
         public void AddUser(string username, out bool succes)
@@ -89,10 +89,10 @@ namespace Client
             set { _users = value; }
         }
 
-        public bool LobbyJoineble
+        public bool LobbyJoinable
         {
-            get { return _lobbyJoineble; }
+            get { return _lobbyJoinable; }
-            set { _lobbyJoineble = value; }
+            set { _lobbyJoinable = value; }
         }
 
     }