Busfahrer Spiel fertig

Casino/Blackjack.xaml

@@ -35,6 +35,6 @@
         <Image Grid.Column="7" Grid.Row="1" x:Name="Dealer_Bild_2"/>
 
         <Button Grid.Row="0" Content="Hauptmenü" HorizontalAlignment="Center" Click="Hauptmenue" Width="100"/>
-        <TextBox Grid.Column="4" HorizontalAlignment="Left" Height="101" Margin="10,169,0,0" Grid.Row="2" TextWrapping="Wrap" Text="Einsatz" VerticalAlignment="Top" Width="193" Background="Blue" PreviewTextInput="TextBox_OnPreviewTextInput" PreviewKeyDown="TextBox_OnPreviewKeyDown" DataObject.Pasting="TextBox_Pasting" Grid.ColumnSpan="2"/>
+        <TextBox  HorizontalAlignment="Right" Height="100" Grid.Row="4" TextWrapping="Wrap" Text="Einsatz" VerticalAlignment="Center" Width="192"  PreviewTextInput="TextBox_OnPreviewTextInput" PreviewKeyDown="TextBox_OnPreviewKeyDown" DataObject.Pasting="TextBox_Pasting" Grid.Column="5" Grid.ColumnSpan="3" Margin="0,0,194,0"/>
     </Grid>
 </Window>

Casino/Blackjack.xaml.cs

@@ -62,6 +62,7 @@ namespace Casino
             Close();
         }
 
+        //Numberfeld
         private static readonly Regex _regex = new Regex("[^0-9]"); // Regex to match non-numeric input
 
         //nur nummern

Casino/Busfahrer.xaml

@@ -5,39 +5,87 @@
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         xmlns:local="clr-namespace:Casino"
         mc:Ignorable="d"
-        Title="Busfahrer" Height="1080" Width="1960">
+        Title="Bus Driver" Height="1080" Width="1960"
+        WindowState="Maximized"
+        WindowStyle="None"
+        Background="#2C3E50">
     <Grid>
         <Grid.ColumnDefinitions>
-            <ColumnDefinition Width="100"></ColumnDefinition>
-            <ColumnDefinition Width="280"></ColumnDefinition>
-            <ColumnDefinition Width="20"></ColumnDefinition>
-            <ColumnDefinition Width="280"></ColumnDefinition>
-            <ColumnDefinition Width="20"></ColumnDefinition>
-            <ColumnDefinition Width="280"></ColumnDefinition>
-            <ColumnDefinition Width="20"></ColumnDefinition>
-            <ColumnDefinition Width="280"></ColumnDefinition>
-            <ColumnDefinition Width="20"></ColumnDefinition>
-            <ColumnDefinition Width="280"></ColumnDefinition>
-            <ColumnDefinition Width="20"></ColumnDefinition>
-            <ColumnDefinition Width="280"></ColumnDefinition>
-            <ColumnDefinition Width="100"></ColumnDefinition>
+            <ColumnDefinition Width="100"/>
+            <ColumnDefinition Width="280"/>
+            <ColumnDefinition Width="20"/>
+            <ColumnDefinition Width="280"/>
+            <ColumnDefinition Width="20"/>
+            <ColumnDefinition Width="280"/>
+            <ColumnDefinition Width="20"/>
+            <ColumnDefinition Width="280"/>
+            <ColumnDefinition Width="20"/>
+            <ColumnDefinition Width="280"/>
+            <ColumnDefinition Width="20"/>
+            <ColumnDefinition Width="280"/>
+            <ColumnDefinition Width="100"/>
         </Grid.ColumnDefinitions>
         <Grid.RowDefinitions>
-            <RowDefinition Height="70"></RowDefinition>
-            <RowDefinition Height="270"></RowDefinition>
-            <RowDefinition Height="270"></RowDefinition>
-            <RowDefinition Height="270"></RowDefinition>
-            <RowDefinition Height="200"></RowDefinition>
+            <RowDefinition Height="70"/>
+            <RowDefinition Height="270"/>
+            <RowDefinition Height="270"/>
+            <!-- Cards row -->
+            <RowDefinition Height="270"/>
+            <!-- Buttons row -->
+            <RowDefinition Height="200"/>
         </Grid.RowDefinitions>
 
+        <!-- Main Menu Button top left -->
+        <Button Grid.Column="0" Grid.Row="0" Content="Main Menu" HorizontalAlignment="Center" VerticalAlignment="Center" Click="Hauptmenue" Width="100" Height="40"/>
 
-        <Image Grid.Column="3" Grid.Row="2" x:Name="Bild_1"/>
-        <Image Grid.Column="5" Grid.Row="2" x:Name="Bild_2"/>
-        <Image Grid.Column="7" Grid.Row="2" x:Name="Bild_3"/>
-        <Image Grid.Column="9" Grid.Row="2" x:Name="Bild_4"/>
-        <Button Grid.Row="0" Content="Hauptmenü" HorizontalAlignment="Center" Click="Hauptmenue" Width="100"/>
-        <TextBox Grid.Column="5" HorizontalAlignment="Left" Height="51"  Grid.Row="1"   Width="193" Background="DimGray" PreviewTextInput="TextBox_PreviewTextInput" PreviewKeyDown="TextBox_PreviewKeyDown" DataObject.Pasting="TextBox_Pasting"/>
+        <!-- CARDS (Row 2) -->
+        <Image Grid.Column="3" Grid.Row="2" x:Name="Bild_1" Margin="5" Stretch="Uniform"/>
+        <Image Grid.Column="5" Grid.Row="2" x:Name="Bild_2" Margin="5" Stretch="Uniform"/>
+        <Image Grid.Column="7" Grid.Row="2" x:Name="Bild_3" Margin="5" Stretch="Uniform"/>
+        <Image Grid.Column="9" Grid.Row="2" x:Name="Bild_4" Margin="5" Stretch="Uniform"/>
 
+        <!-- BUTTONS BELOW CARDS (Row 3) -->
+        <!-- Round 1: Red / Black -->
+        <StackPanel x:Name="PanelRedBlack" Grid.Row="3" Grid.Column="3" Grid.ColumnSpan="7" Orientation="Horizontal" HorizontalAlignment="Center" VerticalAlignment="Top" Margin="0,20,0,0">
+            <Button x:Name="BtnRed" Content="Red" Width="120" Height="50" Margin="10" Background="#E74C3C" Foreground="White" FontSize="18" FontWeight="Bold" Click="BtnRed_Click"/>
+            <Button x:Name="BtnBlack" Content="Black" Width="120" Height="50" Margin="10" Background="#2C3E50" Foreground="White" FontSize="18" FontWeight="Bold" Click="BtnBlack_Click"/>
+        </StackPanel>
+
+        <!-- Round 2: Higher / Lower -->
+        <StackPanel x:Name="PanelHigherLower" Grid.Row="3" Grid.Column="3" Grid.ColumnSpan="7" Orientation="Horizontal" HorizontalAlignment="Center" VerticalAlignment="Top" Margin="0,20,0,0" Visibility="Collapsed">
+            <Button x:Name="BtnHigher" Content="Higher" Width="120" Height="50" Margin="10" Background="#2ECC71" Foreground="White" FontSize="18" FontWeight="Bold" Click="BtnHigher_Click"/>
+            <Button x:Name="BtnLower" Content="Lower" Width="120" Height="50" Margin="10" Background="#E67E22" Foreground="White" FontSize="18" FontWeight="Bold" Click="BtnLower_Click"/>
+        </StackPanel>
+
+        <!-- Round 3: Inside / Outside -->
+        <StackPanel x:Name="PanelInsideOutside" Grid.Row="3" Grid.Column="3" Grid.ColumnSpan="7" Orientation="Horizontal" HorizontalAlignment="Center" VerticalAlignment="Top" Margin="0,20,0,0" Visibility="Collapsed">
+            <Button x:Name="BtnInside" Content="Inside" Width="130" Height="50" Margin="10" Background="#9B59B6" Foreground="White" FontSize="18" FontWeight="Bold" Click="BtnInside_Click"/>
+            <Button x:Name="BtnOutside" Content="Outside" Width="130" Height="50" Margin="10" Background="#3498DB" Foreground="White" FontSize="18" FontWeight="Bold" Click="BtnOutside_Click"/>
+        </StackPanel>
+
+        <!-- Round 4: Suit selection -->
+        <StackPanel x:Name="PanelSuit" Grid.Row="3" Grid.Column="3" Grid.ColumnSpan="7" Orientation="Horizontal" HorizontalAlignment="Center" VerticalAlignment="Top" Margin="0,20,0,0" Visibility="Collapsed">
+            <Button x:Name="BtnHearts" Content="♥ Hearts" Width="110" Height="50" Margin="5" Background="#E74C3C" Foreground="White" FontSize="16" FontWeight="Bold" Click="BtnSuit_Click" Tag="Hearts"/>
+            <Button x:Name="BtnDiamonds" Content="♦ Diamonds" Width="110" Height="50" Margin="5" Background="#E74C3C" Foreground="White" FontSize="16" FontWeight="Bold" Click="BtnSuit_Click" Tag="Diamonds"/>
+            <Button x:Name="BtnSpades" Content="♠ Spades" Width="110" Height="50" Margin="5" Background="#2C3E50" Foreground="White" FontSize="16" FontWeight="Bold" Click="BtnSuit_Click" Tag="Spades"/>
+            <Button x:Name="BtnClubs" Content="♣ Clubs" Width="110" Height="50" Margin="5" Background="#2C3E50" Foreground="White" FontSize="16" FontWeight="Bold" Click="BtnSuit_Click" Tag="Clubs"/>
+        </StackPanel>
+
+        <!-- Cash Out / Start / Next Buttons -->
+        <StackPanel Grid.Row="3" Grid.Column="3" Grid.ColumnSpan="7" Orientation="Horizontal" HorizontalAlignment="Center" VerticalAlignment="Bottom" Margin="0,0,0,20">
+            <Button x:Name="BtnCashOut" Content="Cash Out (0.00)" Width="180" Height="50" Margin="10" Background="#27AE60" Foreground="White" FontSize="16" FontWeight="Bold" Click="BtnCashOut_Click" Visibility="Collapsed"/>
+            <Button x:Name="BtnNextPyramid" Content="Reveal Next Card" Width="200" Height="50" Margin="10" Background="#F39C12" Foreground="White" FontSize="16" FontWeight="Bold" Click="BtnNextPyramid_Click" Visibility="Collapsed"/>
+            <Button x:Name="BtnStart" Content="Start New Game" Width="180" Height="50" Margin="10" Background="#1ABC9C" Foreground="White" FontSize="16" FontWeight="Bold" Click="BtnStart_Click"/>
+        </StackPanel>
+
+        <!-- Bet Input and Current Win Text Display -->
+        <StackPanel Grid.Column="5" Grid.ColumnSpan="3" Grid.Row="4" Orientation="Vertical" HorizontalAlignment="Center" VerticalAlignment="Center">
+            <TextBlock Text="Einsatz" Foreground="White" FontSize="14" HorizontalAlignment="Center" Margin="0,0,0,5"/>
+            <TextBox x:Name="TxtBet" Height="40" Width="192" Background="DimGray" Foreground="White" FontSize="18" TextAlignment="Center" VerticalContentAlignment="Center" PreviewTextInput="TextBox_PreviewTextInput" PreviewKeyDown="TextBox_PreviewKeyDown" DataObject.Pasting="TextBox_Pasting"/>
+        </StackPanel>
+
+        <TextBlock Grid.Column="12" Grid.Row="4" Text="Einsatz" Margin="0,100,0,0" Foreground="White" FontSize="14" HorizontalAlignment="Left"/>
+        <TextBlock x:Name="Konto" Grid.Column="11" Grid.Row="4" Height="30" Width="100" Margin="251,133,29,37" Background="DarkRed" Foreground="Silver" TextAlignment="Right" FontSize="25" Grid.ColumnSpan="2"/>
 
     </Grid>
-</Window>
+</Window>

Casino/Busfahrer.xaml.cs

@@ -2,46 +2,291 @@
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
-using System.Text;
 using System.Text.RegularExpressions;
-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.Shapes;
 
 namespace Casino
 {
-    /// <summary>
-    /// Interaktionslogik für Busfahrer.xaml
-    /// </summary>
     public partial class Busfahrer : Window
     {
+        public class Card
+        {
+            public int Id { get; set; }
+            public string WertRaw { get; set; } = string.Empty;
+            public string FarbeRaw { get; set; } = string.Empty;
+            public ImageSource Image { get; set; } = null!;
+            public int NumericValue { get; set; }
 
+            public bool IsRed => FarbeRaw.Equals("Hearts", StringComparison.OrdinalIgnoreCase) ||
+                                 FarbeRaw.Equals("Diamond", StringComparison.OrdinalIgnoreCase);
+
+            public Card(int id, string wert, string farbe, byte[] imgBytes)
+            {
+                Id = id;
+                WertRaw = wert;
+                FarbeRaw = farbe;
+                NumericValue = ParseValue(wert);
+                if (imgBytes != null && imgBytes.Length > 0)
+                {
+                    Image = ByteArrayToImage(imgBytes);
+                }
+            }
+
+            private int ParseValue(string wert)
+            {
+                return wert.Trim() switch
+                {
+                    "Jack" => 11,
+                    "Bube" => 11,
+                    "Queen" => 12,
+                    "Dame" => 12,
+                    "King" => 13,
+                    "König" => 13,
+                    "Ace" => 14,
+                    "Ass" => 14,
+                    _ => int.TryParse(wert, out int v) ? v : 0
+                };
+            }
+
+            private static BitmapImage ByteArrayToImage(byte[] bytes)
+            {
+                BitmapImage image = new BitmapImage();
+                using (MemoryStream ms = new MemoryStream(bytes))
+                {
+                    image.BeginInit();
+                    image.CacheOption = BitmapCacheOption.OnLoad;
+                    image.StreamSource = ms;
+                    image.EndInit();
+                }
+                image.Freeze();
+                return image;
+            }
+        }
+
+        public enum CardColor { Red, Black }
+
+        private List<Card> deck = new();
+        private List<Card> handCards = new();
+        private ImageSource cardBackImage = null!;
+
+        private int currentPhase = 0; // 0: Red/Black, 1: Higher/Lower, 2: In Between/Outside, 3: Suit, 4: Won
+        private double currentBet = 0;
+        private double currentProfit = 0;
 
         public Busfahrer()
         {
             InitializeComponent();
-
-            LoadCard(8);
+            StartNewGame();
         }
 
-        private void LoadCard(int Bild)
+        private void BtnStart_Click(object sender, RoutedEventArgs e)
         {
+            StartNewGame();
+        }
+
+        private void StartNewGame()
+        {
+
+            UpdateWinDisplay();
+
             Database db = new Database();
-            byte[] img = db.GetCardImage(Bild);
+            deck = db.GetAllCards();
+            byte[] backBytes = db.GetCardBackImage();
 
-            Bild_4.Source = ByteArrayToImage(img);
+            if (backBytes != null)
+            {
+                cardBackImage = ByteArrayToImage(backBytes);
+            }
 
+            Random ran = new Random();
+            deck = deck.OrderBy(_ => ran.Next()).ToList();
 
+            handCards.Clear();
+            currentPhase = 0;
+
+            for (int i = 0; i < 4; i++)
+            {
+                if (deck.Count > 0)
+                {
+                    handCards.Add(DrawCard());
+                }
+            }
+
+            UpdateHandUI();
+            SetPhaseUI();
         }
 
-        private BitmapImage ByteArrayToImage(byte[] bytes)
+        private Card DrawCard()
         {
+            var card = deck[0];
+            deck.RemoveAt(0);
+            return card;
+        }
+
+        private void UpdateHandUI()
+        {
+            Bild_1.Source = (currentPhase > 0) ? handCards[0].Image : cardBackImage;
+            Bild_2.Source = (currentPhase > 1) ? handCards[1].Image : cardBackImage;
+            Bild_3.Source = (currentPhase > 2) ? handCards[2].Image : cardBackImage;
+            Bild_4.Source = (currentPhase > 3) ? handCards[3].Image : cardBackImage;
+        }
+
+        private void RevealCurrentCard()
+        {
+            switch (currentPhase)
+            {
+                case 0: Bild_1.Source = handCards[0].Image; break;
+                case 1: Bild_2.Source = handCards[1].Image; break;
+                case 2: Bild_3.Source = handCards[2].Image; break;
+                case 3: Bild_4.Source = handCards[3].Image; break;
+            }
+        }
+
+        private void ProcessGuess(bool success)
+        {
+            if (!success)
+            {
+                RevealCurrentCard();
+                MessageBox.Show("Wrong guess! You lost your bet. Game will restart.", "Bus Driver", MessageBoxButton.OK, MessageBoxImage.Information);
+                StartNewGame();
+                return;
+            }
+
+            // Gewinn-Multiplikatoren
+            currentPhase++;
+            switch (currentPhase)
+            {
+                case 1: currentProfit = currentBet * 1.75; break; // Runde 1 bestanden
+                case 2: currentProfit = currentBet * 2.5; break; // Runde 2 bestanden
+                case 3: currentProfit = currentBet * 5.0; break; // Runde 3 bestanden
+                case 4: currentProfit = currentBet * 20.0; break; // Runde 4 bestanden
+            }
+
+            UpdateWinDisplay();
+            UpdateHandUI();
+            SetPhaseUI();
+        }
+
+        private void UpdateWinDisplay()
+        {
+            BtnCashOut.Content = $"Cash Out (${currentProfit:F2})";
+        }
+
+        // --- CASH OUT BUTTON EVENT ---
+        private void BtnCashOut_Click(object sender, RoutedEventArgs e)
+        {
+            if (currentProfit > 0)
+            {
+                StartNewGame();
+            }
+        }
+
+        // --- BUTTON EVENTS ---
+
+        // ROUND 1: Red / Black
+        private void BtnRed_Click(object sender, RoutedEventArgs e) => GuessColor(CardColor.Red);
+        private void BtnBlack_Click(object sender, RoutedEventArgs e) => GuessColor(CardColor.Black);
+
+        private void GuessColor(CardColor chosenColor)
+        {
+            Card targetCard = handCards[0];
+            bool ok = (chosenColor == CardColor.Red && targetCard.IsRed) ||
+                       (chosenColor == CardColor.Black && !targetCard.IsRed);
+            ProcessGuess(ok);
+        }
+
+        // ROUND 2: Higher / Lower
+        private void BtnHigher_Click(object sender, RoutedEventArgs e) => GuessHigherLower(true);
+        private void BtnLower_Click(object sender, RoutedEventArgs e) => GuessHigherLower(false);
+
+        private void GuessHigherLower(bool higher)
+        {
+            Card card1 = handCards[0];
+            Card card2 = handCards[1];
+
+            bool ok = higher ? card2.NumericValue > card1.NumericValue : card2.NumericValue < card1.NumericValue;
+            ProcessGuess(ok);
+        }
+
+        // ROUND 3: In Between / Outside
+        private void BtnInside_Click(object sender, RoutedEventArgs e) => GuessInside(true);
+        private void BtnOutside_Click(object sender, RoutedEventArgs e) => GuessInside(false);
+
+        private void GuessInside(bool inside)
+        {
+            Card card3 = handCards[2];
+            int min = Math.Min(handCards[0].NumericValue, handCards[1].NumericValue);
+            int max = Math.Max(handCards[0].NumericValue, handCards[1].NumericValue);
+
+            bool isBetween = card3.NumericValue > min && card3.NumericValue < max;
+            bool ok = inside ? isBetween : !isBetween;
+            ProcessGuess(ok);
+        }
+
+        // ROUND 4: Suit
+        private void BtnSuit_Click(object sender, RoutedEventArgs e)
+        {
+            if (sender is Button btn && btn.Tag != null)
+            {
+                string chosenSuit = btn.Tag.ToString()!;
+                Card card4 = handCards[3];
+
+                bool ok = card4.FarbeRaw.Equals(chosenSuit, StringComparison.OrdinalIgnoreCase) ||
+                          (chosenSuit.Equals("Hearts", StringComparison.OrdinalIgnoreCase) && card4.FarbeRaw.Equals("Hearts", StringComparison.OrdinalIgnoreCase)) ||
+                          (chosenSuit.Equals("Diamond", StringComparison.OrdinalIgnoreCase) && (card4.FarbeRaw.Equals("Diamond", StringComparison.OrdinalIgnoreCase))) ||
+                          (chosenSuit.Equals("Spades", StringComparison.OrdinalIgnoreCase) && card4.FarbeRaw.Equals("Spades", StringComparison.OrdinalIgnoreCase)) ||
+                          (chosenSuit.Equals("Clubs", StringComparison.OrdinalIgnoreCase) && card4.FarbeRaw.Equals("Clubs", StringComparison.OrdinalIgnoreCase));
+
+                ProcessGuess(ok);
+            }
+        }
+
+        // --- BUTTON VISIBILITY CONTROL ---
+
+        private void SetPhaseUI()
+        {
+            PanelRedBlack.Visibility = Visibility.Collapsed;
+            PanelHigherLower.Visibility = Visibility.Collapsed;
+            PanelInsideOutside.Visibility = Visibility.Collapsed;
+            if (PanelSuit != null) PanelSuit.Visibility = Visibility.Collapsed;
+            BtnNextPyramid.Visibility = Visibility.Collapsed;
+
+            // Zeige den Auszahlungs-Button ab Runde 1 (nach dem ersten Gewinn) an
+            BtnCashOut.Visibility = (currentPhase > 0 && currentPhase < 4) ? Visibility.Visible : Visibility.Collapsed;
+
+            switch (currentPhase)
+            {
+                case 0:
+                    PanelRedBlack.Visibility = Visibility.Visible;
+                    break;
+                case 1:
+                    PanelHigherLower.Visibility = Visibility.Visible;
+                    break;
+                case 2:
+                    PanelInsideOutside.Visibility = Visibility.Visible;
+                    break;
+                case 3:
+                    if (PanelSuit != null) PanelSuit.Visibility = Visibility.Visible;
+                    break;
+                case 4:
+                    BtnNextPyramid.Visibility = Visibility.Visible;
+                    break;
+            }
+        }
+
+        private void Hauptmenue(object sender, RoutedEventArgs e)
+        {
+            Close();
+        }
+
+        private static BitmapImage ByteArrayToImage(byte[] bytes)
+        {
+            if (bytes == null || bytes.Length == 0) return null!;
+
             BitmapImage image = new BitmapImage();
             using (MemoryStream ms = new MemoryStream(bytes))
             {
@@ -50,35 +295,21 @@ namespace Casino
                 image.StreamSource = ms;
                 image.EndInit();
             }
-
+            image.Freeze();
             return image;
         }
 
-        private int rand()
-        {
-            Random ran = new Random();
-            int temp = ran.Next(13, 66);
-            Console.WriteLine(temp);
+        // =============
+        // NUMBER FIELD 
+        // =============
 
-            return 0;
-        }
+        private static readonly Regex _regex = new Regex("^[0-9]");
 
-        private void Hauptmenue(object sender, RoutedEventArgs e)
-        {
-            Close();
-        }
-
-
-        //Numberfield
-        private static readonly Regex _regex = new Regex("^[0-9]"); // Regex to match non-numeric input
-
-        //nur nummern
         private void TextBox_PreviewTextInput(object sender, TextCompositionEventArgs e)
         {
-           e.Handled = !_regex.IsMatch(e.Text);
+            e.Handled = !_regex.IsMatch(e.Text);
         }
 
-        // Keine Spaces
         private void TextBox_PreviewKeyDown(object sender, KeyEventArgs e)
         {
             if (e.Key == Key.Space)
@@ -87,18 +318,16 @@ namespace Casino
             }
         }
 
-        //das man nichts reinkopieren kann außer Zahlen
         private void TextBox_Pasting(object sender, DataObjectPastingEventArgs e)
         {
             if (e.DataObject.GetDataPresent(typeof(String)))
             {
-                var text = (String)e.DataObject.GetData((typeof(String)));
+                var text = (String)e.DataObject.GetData(typeof(String));
                 if (!_regex.IsMatch((string)text))
                 {
                     e.CancelCommand();
                 }
             }
         }
-
     }
-}
+}

Casino/Database.cs

@@ -81,6 +81,59 @@ namespace Casino
             return imageBytes;
         }
 
+        public List<Busfahrer.Card> GetAllCards()
+        {
+            var cards = new List<Busfahrer.Card>();
+
+            using (MySqlConnection conn = new MySqlConnection(myConnectionString))
+            {
+                conn.Open();
+                // Lädt alle echten Karten aus der Tabelle (schließt Rückseite 'Back' aus)
+                string query = "SELECT kartenid, wert, farbe, bild FROM Karten WHERE wert != 'Back' AND deckid != 'Slots'";
+                using (MySqlCommand cmd = new MySqlCommand(query, conn))
+                {
+                    using (MySqlDataReader reader = cmd.ExecuteReader())
+                    {
+                        while (reader.Read())
+                        {
+                            int id = reader.GetInt32("kartenid");
+                            string wert = reader.GetString("wert");
+                            string farbe = reader.GetString("farbe");
+                            byte[] img = (byte[])reader["bild"];
+
+                            cards.Add(new Busfahrer.Card(id, wert, farbe, img));
+                        }
+                    }
+                }
+            }
+
+            return cards;
+        }
+
+        // NEU: Holt das Bild der Kartenrückseite
+        public byte[] GetCardBackImage()
+        {
+            byte[] imageBytes = null;
+
+            using (MySqlConnection conn = new MySqlConnection(myConnectionString))
+            {
+                conn.Open();
+                string query = "SELECT bild FROM Karten WHERE wert = 'Back' OR deckid = 'Back' LIMIT 1";
+                using (MySqlCommand cmd = new MySqlCommand(query, conn))
+                {
+                    using (MySqlDataReader reader = cmd.ExecuteReader())
+                    {
+                        if (reader.Read())
+                        {
+                            imageBytes = (byte[])reader["bild"];
+                        }
+                    }
+                }
+            }
+
+            return imageBytes;
+        }
+
         public byte[] GetSound(int id)
         {
             byte[] soundBytes = null;