Added connection page

PDGServer_WPF/ConnectionPage.xaml

@@ -0,0 +1,56 @@
+<Page x:Class="RBG_Server_WPF.ConnectionPage"
+      xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+      xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+      xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
+      xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
+      xmlns:local="clr-namespace:RBG_Server_WPF"
+      mc:Ignorable="d" 
+      d:DesignHeight="450" d:DesignWidth="800"
+      Title="ConnectionPage" MinWidth="1024" MinHeight="762">
+
+    <Grid x:Name="RootGrid">
+        <StackPanel x:Name="ServerSelectPanel" HorizontalAlignment="Center" VerticalAlignment="Center" d:IsHidden="True" >
+            <Button x:Name="HostButton" Content="Host a Game" Margin="0,0,0,5" Click="HostButton_Click"/>
+            <Button x:Name="ConnectButton" Content="Connect to Server" Margin="0,5,0,0" Click="ConnectButton_Click"/>
+        </StackPanel>
+        <Grid x:Name="ServerGrid">
+            <Grid.ColumnDefinitions>
+                <ColumnDefinition MaxWidth="400"/>
+                <ColumnDefinition/>
+            </Grid.ColumnDefinitions>
+            <StackPanel>
+                <Button x:Name="BackButton" Content="Back" HorizontalAlignment="Left" Margin="5,5,0,0" Click="BackButton_Click"/>
+                <TextBlock Text="Game Board File Path" TextWrapping="Wrap" Padding="0,10,0,0" Foreground="White" Margin="2,5,2,0"/>
+                <TextBox x:Name="ImageSourceTextBox" TextWrapping="Wrap" LostFocus="ImageSourceTextBox_LostFocus" Margin="2,5,2,0"/>
+                <Button x:Name="BrowseButton" Content="Browse" Click="BrowseButton_Click" Margin="10,5,10,0"/>
+                <TextBlock Text="Game Sprites Files" TextWrapping="Wrap" Padding="0,10,0,0" Foreground="White" Margin="2,0,2,0"/>
+                <TextBox x:Name="ImageSourceTextBox_Copy" TextWrapping="Wrap" LostFocus="ImageSourceTextBox_LostFocus" Margin="2,5,2,0"/>
+                <Button x:Name="GameSpritesBrowser" Content="Browse" Click="GameSpritesBrowser_Click" Margin="10,5,10,0"/>
+                <TextBlock Text="Number of Rows" TextWrapping="Wrap" Padding="0,10,0,0" Foreground="White" Margin="2,0,2,0"/>
+                <Slider x:Name="NumberOfRows" IsSnapToTickEnabled="True" Minimum="1" TickPlacement="BottomRight" AutoToolTipPlacement="BottomRight" ValueChanged="NumberOfRows_ValueChanged" Value="9" Margin="2,0,2,0"/>
+                <TextBlock Text="Number of Columns:" TextWrapping="Wrap" Padding="0,10,0,0" Foreground="White" Margin="2,0,2,0"/>
+                <Slider x:Name="NumberOfColumns" IsSnapToTickEnabled="True" Minimum="1" TickPlacement="BottomRight" AutoToolTipPlacement="BottomRight" ValueChanged="NumberOfColumns_ValueChanged" Value="9" Margin="2,0,2,0"/>
+                <TextBlock Text="Starting Row" TextWrapping="Wrap" Padding="0,10,0,0" Foreground="White" Margin="2,0,2,0"/>
+                <Slider x:Name="StartingRow" IsSnapToTickEnabled="True" Value="8" AutoToolTipPlacement="BottomRight" TickPlacement="BottomRight" ValueChanged="Sliders_ValueChanged" Maximum="9" Margin="2,0,2,0"/>
+                <TextBlock Text="Starting Column" TextWrapping="Wrap" Padding="0,10,0,0" Foreground="White" Margin="2,0,2,0"/>
+                <Slider x:Name="StartingColumn" IsSnapToTickEnabled="True" AutoToolTipPlacement="BottomRight" TickPlacement="BottomRight" ValueChanged="Sliders_ValueChanged" Maximum="9" Margin="2,0,2,0"/>
+                <TextBlock Text="Zoom Box Starting Row" TextWrapping="Wrap" Padding="0,10,0,0" Foreground="White" Margin="2,0,2,0"/>
+                <Slider x:Name="ZoomBoxStartRow" IsSnapToTickEnabled="True" AutoToolTipPlacement="BottomRight" TickPlacement="BottomRight" Value="3" ValueChanged="Sliders_ValueChanged" Maximum="9" Margin="2,0,2,0"/>
+                <TextBlock Text="Zoom Box Starting Column" TextWrapping="Wrap" Padding="0,10,0,0" Foreground="White" Margin="2,0,2,0"/>
+                <Slider x:Name="ZoomBoxStartColumn" IsSnapToTickEnabled="True" AutoToolTipPlacement="BottomRight" TickPlacement="BottomRight" Value="3" ValueChanged="Sliders_ValueChanged" Maximum="9" Margin="2,0,2,0"/>
+                <TextBlock Text="Zoom Box Span" TextWrapping="Wrap" Padding="0,10,0,0" Foreground="White" Margin="2,0,2,0"/>
+                <Slider x:Name="ZoomBoxSpan" IsSnapToTickEnabled="True" AutoToolTipPlacement="BottomRight" TickPlacement="BottomRight" Value="3" ValueChanged="Sliders_ValueChanged" Minimum="1" Maximum="6" Margin="2,0,2,0"/>
+                <Button x:Name="GridVisibilityToggleButton" Content="Show/Hide Grid" Click="GridVisibilityToggleButton_Click" Margin="10,10,10,0"/>
+                <Button x:Name="StartServerButton" Content="Start Server" HorizontalAlignment="Stretch" Margin="10,25,10,0" Click="StartServerButton_Click" Background="#955FF17A" Foreground="White"/>
+                <Button x:Name="DrawRandomizedPlayers" Content="Draw Random Players" Margin="10,25,10,0" Click="DrawRandomizedPlayers_Click" d:IsHidden="True"/>
+                <UniformGrid x:Name="LoadedSprites" Columns="6" Margin="2,0,2,0" Rows="6" MinHeight="120" />
+            </StackPanel>
+            <Grid x:Name="BoardPreview" Grid.Column="1" VerticalAlignment="Center">
+                <Image x:Name="PreviewImage" MinHeight="150" Stretch="Uniform" HorizontalAlignment="Center" VerticalAlignment="Center"/>
+                <Grid x:Name="PreviewImageOverlay" HorizontalAlignment="Center" VerticalAlignment="Center" Width="{Binding ActualWidth, ElementName=PreviewImage}" Height="{Binding ActualHeight, ElementName=PreviewImage}"/>
+            </Grid>
+        </Grid>
+
+
+    </Grid>
+</Page>

PDGServer_WPF/ConnectionPage.xaml.cs

@@ -0,0 +1,47 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+
+namespace RBG_Server_WPF
+{
+    /// <summary>
+    /// Interaction logic for ConnectionPage.xaml
+    /// </summary>
+    public partial class ConnectionPage : Page
+    {
+        public ConnectionPage()
+        {
+            InitializeComponent();
+        }
+
+        private void HostButton_Click(object sender, RoutedEventArgs e)
+        {
+            // Draw host window
+            ServerGrid.Visibility = Visibility.Visible;
+            ServerSelectPanel.Visibility = Visibility.Collapsed;
+        }
+
+        private void ConnectButton_Click(object sender, RoutedEventArgs e)
+        {
+           // Draw client window
+        }
+
+        private void BackButton_Click(object sender, RoutedEventArgs e)
+        {
+            // Hide host view, show connect view
+            ServerGrid.Visibility = Visibility.Collapsed;
+            ServerSelectPanel.Visibility = Visibility.Visible;
+        }
+    }
+}

RBG_Server.Core/CommunicationHandler.cs

@@ -28,7 +28,9 @@ namespace RBG_Server
         /// </summary>
         public ConcurrentDictionary<string, CachedByteArray> ImageCollection { get; } = new();
 
-        public List<Player> Players {  get; } = new List<Player>();
+        public Dictionary<int,Player> Players {  get; } = new Dictionary<int, Player>();
+
+        public Player Self { get;set; }
 
         public List<string> ImageList {  get; } = new();
 
@@ -100,8 +102,11 @@ namespace RBG_Server
             Task dataLoader = InitDataLoader(dataRetriever.GetStream(), dataProgress);
             Task stateLoader = InitDataLoader(stateRetriever.GetStream(), gameProgress);
 
+            // Data loader starts first - we're waiting for the thumbs to load so the player can choose thier 
             dataLoader.Start();
+            // State 
             stateLoader.Start();
+            
         }
 
         struct ProgressData
@@ -187,7 +192,7 @@ namespace RBG_Server
 
         private async Task InitGameLoader(NetworkStream stateStream, IProgress<ProgressData> progressUpdates)
         {
-            // Get game board details
+            // Coomunication has already been opened with the server; must ID 
             byte[] buffer = new byte[] { 1, 0, 0, 0, 1 };
             stateStream.Write(buffer, 0, buffer.Length);
             // Response size
@@ -211,6 +216,8 @@ namespace RBG_Server
             stateResponse = await GetResponse(stateStream, GetInt32(stateResponse));
             // state response contains a player list;
             // Player ID (Int32)
+            // Player hash length:
+            // Player 'Unique' Hash
             // Player Name (null-terminated string)
             // Player Sprite (null-terminated string)
             // Player Column (Int32)
@@ -222,6 +229,12 @@ namespace RBG_Server
                 int pos = start + 4;
                 int responsePlayerID = GetInt32(stateResponse[start..pos]);
                 start = pos;
+                pos += 4;
+                int length = GetInt32(stateResponse[start..pos]);
+                start = pos;
+                pos += length;
+                byte[] playerHash = stateResponse[start..pos];
+                start = pos;
                 while (stateResponse[pos++] != 0) ; // skip the bytes that aren't null
                 string responsePlayerName = Encoding.UTF8.GetString(stateResponse[start..pos]);
                 start = pos;
@@ -234,8 +247,8 @@ namespace RBG_Server
                 pos += 4;
                 int playerRow = GetInt32(stateResponse[start..pos]);
                 start = pos;
-                Player player = new Player(responsePlayerName, responsePlayerSprite, playerRow, playerColumn);
+                Player player = new Player(responsePlayerName, responsePlayerSprite, playerHash, playerRow, playerColumn);
-                Players.Add(player);
+                Players.Add(responsePlayerID, player); // We build a reference of response ID --> Player, and the players are ID'd by the hash. We can use this to modify
             }
         }