basic logic + multiplayer

Mau/Game.cs

@@ -1,39 +1,81 @@
-namespace MauMau_Server.Mau;
+using System.Net.WebSockets;
+
+namespace MauMau_Server.Mau;
 
 public class Game
 {
     public readonly Deck Deck = new();
     public Card CurrentCard;
-    public List<Card> Hand;
+    public List<Player> Players = new();
+    public Player CurrentPlayer;
+    public int TurnDirection = 1;
 
     public Game()
     {
         CurrentCard = Deck.DrawCard();
         Deck.AddCardToUsedDeck(CurrentCard);
-        Hand = Deck.DrawCards(8);
     }
 
-    public void PlayCard(Card card)
+    public void AddPlayerToGame(string playerId, WebSocket socket)
     {
-        if (!IsCardInHand(Hand, card) || !IsCardPlayable(CurrentCard, card)) return;
+        var player = new Player("Koetje " + playerId.Split('-')[0], playerId, socket)
+        {
+            Hand = Deck.DrawCards(8)
+        };
+        Players.Add(player);
+        if (Players.Count == 1) CurrentPlayer = player;
+    }
+    
+    public void RemovePlayer(string playerId)
+    {
+        var player = GetPlayer(playerId);
+        Players.Remove(player);
+    }
+
+    public void PlayCard(string playerId, Card card)
+    {
+        var player = GetPlayer(playerId);
+        if (CurrentPlayer != player) return;
+        var hand = player.Hand;
+        if (!IsCardInHand(hand, card) || !IsCardPlayable(CurrentCard, card)) return;
         Deck.AddCardToUsedDeck(card);
-        Hand.Remove(GetSameCardFromHand(Hand, card));
+        hand.Remove(GetSameCardFromHand(hand, card));
         CurrentCard = card;
+        CurrentPlayer = GetNextPlayer();
     }
     
-    private Card GetSameCardFromHand(IEnumerable<Card> hand, Card card)
+    public Player GetNextPlayer()
     {
-        return hand.FirstOrDefault(handCard => IsSameCardType(handCard, card) && IsSameCardValue(handCard, card));
+        var index = Players.IndexOf(CurrentPlayer);
+        index += TurnDirection;
+        if (index >= Players.Count) index = 0;
+        if (index < 0) index = Players.Count - 1;
+        return Players[index];
     }
     
-    private bool IsCardPlayable(Card currentCard, Card playedCard)
+    public Player GetPlayer(string playerId)
+    {
+        return Players.FirstOrDefault(p => p.IsMe(playerId));
+    }
+
+    private static Card GetSameCardFromHand(IEnumerable<Card> hand, Card card)
+    {
+        return hand.FirstOrDefault(handCard => IsSameCard(handCard, card));
+    }
+
+    private static bool IsCardPlayable(Card currentCard, Card playedCard)
     {
         return IsSameCardType(currentCard, playedCard) || IsSameCardValue(currentCard, playedCard);
     }
 
-    private bool IsCardInHand(IEnumerable<Card> hand, Card card)
+    private static bool IsCardInHand(IEnumerable<Card> hand, Card card)
     {
-        return hand.Any(handCard => IsSameCardType(handCard, card) && IsSameCardValue(handCard, card));
+        return hand.Any(handCard => IsSameCard(handCard, card));
+    }
+
+    private static bool IsSameCard(Card card1, Card card2)
+    {
+        return IsSameCardType(card1, card2) && IsSameCardValue(card1, card2);
     }
 
     private static bool IsSameCardType(Card card1, Card card2)

Mau/GameState.cs

@@ -2,15 +2,27 @@
 
 public class GameState
 {
+    public string PlayerName { get; set; }
     public List<string> Hand { get; set; } = new();
     public string CurrentCard { get; set; }
+    public string CurrentPlayer { get; set; }
+    public List<string> Players { get; set; } = new();
 
-    public GameState(Game game)
+    public GameState(Game game, string playerId)
     {
-        foreach (var card in game.Hand)
+        var p = game.GetPlayer(playerId);
+        PlayerName = p.Name;
+        foreach (var card in p.Hand)
         {
             Hand.Add(card.ToString());
         }
+        
+        foreach (var player in game.Players)
+        {
+            Players.Add(player.Name);
+        }
+        
         CurrentCard = game.CurrentCard.ToString();
+        CurrentPlayer = game.CurrentPlayer.Name;
     }
 }

Mau/HandDTO.cs

@@ -1,19 +0,0 @@
-namespace MauMau_Server.Mau;
-
-public class HandDTO
-{
-    public List<string> Cards { get; set; } = new();
-    
-    public HandDTO(List<Card> cards)
-    {
-        foreach (var card in cards)
-        {
-            Cards.Add(card.ToString());
-        }
-    }
-    
-    public HandDTO()
-    {
-        
-    }
-}

Mau/Player.cs

@@ -0,0 +1,20 @@
+using System.Net.WebSockets;
+
+namespace MauMau_Server.Mau;
+
+public class Player
+{
+    public string Name { get; set; }
+    public string PlayerId { get; set; }
+    public WebSocket Socket { get; set; }
+    public List<Card> Hand { get; set; } = new();
+    
+    public Player(string name, string playerId, WebSocket socket)
+    {
+        Name = name;
+        PlayerId = playerId;
+        Socket = socket;
+    }
+    
+    public bool IsMe(string playerId) => PlayerId == playerId;
+}

Websockets/Room.cs

@@ -8,7 +8,7 @@ namespace MauMau_Server.Websockets;
 public class Room
 {
     private readonly Dictionary<string, WebSocket> _connections = new();
-    private Game _game = new();
+    private readonly Game _game = new();
 
     public async Task InstantiateConnection(WebSocket socket)
     {
@@ -18,26 +18,28 @@ public class Room
 
     private async Task HandleConnection(WebSocket socket, string socketId)
     {
-        BroadcastAsync(JsonSerializer.Serialize(new GameState(_game)));
+        BroadcastGameState();
         var buffer = EmptyBuffer();
         var result = await ReceiveAsync(socket, buffer);
         while (!result.CloseStatus.HasValue)
         {
             var slicedBuffer = buffer[0..result.Count];
             var playedCard = JsonSerializer.Deserialize<CardDTO>(slicedBuffer).ToCard();
-            _game.PlayCard(playedCard);
+            _game.PlayCard(socketId, playedCard);
-            BroadcastAsync(JsonSerializer.Serialize(new GameState(_game)));
+            BroadcastGameState();
             buffer = EmptyBuffer();
             result = await ReceiveAsync(socket, buffer);
         }
         await socket.CloseAsync(result.CloseStatus.Value, result.CloseStatusDescription, CancellationToken.None);
         RemoveConnection(socketId);
+        _game.RemovePlayer(socketId);
     }
 
     private string AddConnection(WebSocket socket)
     {
         var socketId = Guid.NewGuid().ToString();
         _connections.Add(socketId, socket);
+        _game.AddPlayerToGame(socketId, socket);
         return socketId;
     }
     
@@ -63,6 +65,16 @@ public class Room
         return result;
     }
     
+    private void BroadcastGameState()
+    {
+        foreach (var (id, socket) in GetAllConnections())
+        {
+            var gameState = new GameState(_game, id);
+            var message = JsonSerializer.Serialize(gameState);
+            SendAsync(socket, message);
+        }
+    }
+    
     private void BroadcastAsync(string message)
     {
         foreach (var (id, socket) in GetAllConnections())