/// <summary>
/// Make the specified player join the team on the specified position
/// </summary>
public void Join(Player player, PlayerPosition position)
{
if (
((position == PlayerPosition.North || position == PlayerPosition.East) && Player1 != null) ||
((position == PlayerPosition.South || position == PlayerPosition.West) && Player2 != null))
{
throw new InvalidOperationException("Another player already holding this position");
}
switch (position)
{
case PlayerPosition.North:
case PlayerPosition.East:
Player1 = player;
break;
case PlayerPosition.South:
case PlayerPosition.West:
Player2 = player;
break;
}
}
private GameSession PrepareGameSession()
{
GameSession gameSession = new GameSession();
Player north = new Player(Guid.NewGuid(), "North");
Player south = new Player(Guid.NewGuid(), "South");
Player east = new Player(Guid.NewGuid(), "East");
Player west = new Player(Guid.NewGuid(), "West");
gameSession.Join(north, PlayerPosition.North);
gameSession.Join(south, PlayerPosition.South);
gameSession.Join(east, PlayerPosition.East);
gameSession.Join(west, PlayerPosition.West);
//--1st bid: East 1 Diamonds
gameSession.PlaceBid(Bid.CreateBid(gameSession.GetPlayer(PlayerPosition.East),1, Suit.Diamonds));
//--2nd bid: North Pass
gameSession.PlaceBid(Bid.CreatePassBid(gameSession.GetPlayer(PlayerPosition.North)));
//--3rd bid: West Pass
gameSession.PlaceBid(Bid.CreatePassBid(gameSession.GetPlayer(PlayerPosition.West)));
//--4th bid: South 1 Spades
gameSession.PlaceBid(Bid.CreateBid(gameSession.GetPlayer(PlayerPosition.South),1, Suit.Spades));
//--5th bid: East 2 Diamonds
gameSession.PlaceBid(Bid.CreateBid(gameSession.GetPlayer(PlayerPosition.East),2, Suit.Diamonds));
//--6th bid: North Pass
gameSession.PlaceBid(Bid.CreatePassBid(gameSession.GetPlayer(PlayerPosition.North)));
//--7th bid: West Pass
gameSession.PlaceBid(Bid.CreatePassBid(gameSession.GetPlayer(PlayerPosition.West)));
//--8th bid: South 2 Spades
gameSession.PlaceBid(Bid.CreateBid(gameSession.GetPlayer(PlayerPosition.South),2, Suit.Spades));
//--9th bid: East Pass
gameSession.PlaceBid(Bid.CreatePassBid(gameSession.GetPlayer(PlayerPosition.East)));
//--10th bid: North Pass
gameSession.PlaceBid(Bid.CreatePassBid(gameSession.GetPlayer(PlayerPosition.North)));
//--11th bid: West Pass
gameSession.PlaceBid(Bid.CreatePassBid(gameSession.GetPlayer(PlayerPosition.West)));
//--Auction Closed =>NS - 2 Spades
return gameSession;
}
/// <summary>
/// Place the specified card by the specified player in the current trick.
/// And evaluate the trick to determine the winner
/// </summary>
public void PlaceCard(Player player, Card card)
{
PlayerPosition position = gameSession.GetPlayerPosition(player);
if (position == CurrentTurn)
{
Card tempCard;
if (!CurrentTrick.TryGetValue(position, out tempCard))
{
if (ValidatePlay(position, card))
{
CurrentTrick[position] = card;
PlayerCards[position].Remove(card);
if (CurrentTrick.Values.Count == 1)
{
//First card in the trick
CurrentTrickBaseSuit = card.Suit;
}
if (CurrentTrick.Values.Count >= 4)
{
//Trick is complete -> evalueate
PlayerPosition trickWinner = EvaluateCurrentTrick();
CurrentTurn = trickWinner;
switch (trickWinner)
{
case PlayerPosition.North:
case PlayerPosition.South:
TricksWon[TeamPosition.NorthSouth]++;
break;
case PlayerPosition.East:
case PlayerPosition.West:
TricksWon[TeamPosition.EastWest]++;
break;
}
CleanCurrentTrick();
currentNumberOfTricks++;
if (IsComplete)
{
gameSession.GameComplete();
}
}
else
{
NextTurn();
}
}
else
{
throw new ArgumentException("The played card is invalid");
}
}
else
{
throw new InvalidOperationException("The player already placed card for the current trick");
}
}
else
{
throw new InvalidOperationException("The player has played not in the right turn");
}
}
/// <summary>
/// Makes the current turn player play the specified card
/// </summary>
public void PlaceCard(Player player, Card card)
{
if (Status == GameSessionStatus.GamePlay && gamePlay != null)
{
gamePlay.PlaceCard(player, card);
}
}
/// <summary>
/// Make the specified player leave the current game session
/// </summary>
public void Leave(Player player)
{
if (teams[TeamPosition.NorthSouth].IsMember(player))
{
teams[TeamPosition.NorthSouth].Leave(player);
}
else if (teams[TeamPosition.EastWest].IsMember(player))
{
teams[TeamPosition.EastWest].Leave(player);
}
else
{
//TODO: throw an exception that the player is not enrolled in the game
}
}
/// <summary>
/// Make the specified player join the current game session on the
/// specified position (North, South, East, West)
/// </summary>
public void Join(Player player, PlayerPosition position)
{
if (Status == GameSessionStatus.WaitingForPlayers)
{
Team team = null;
switch (position)
{
case PlayerPosition.North:
case PlayerPosition.South:
team = teams[TeamPosition.NorthSouth];
break;
case PlayerPosition.East:
case PlayerPosition.West:
team = teams[TeamPosition.EastWest];
break;
}
team.Join(player, position);
if (teams[TeamPosition.NorthSouth].IsReady && teams[TeamPosition.EastWest].IsReady)
{
Status = GameSessionStatus.Bidding;
}
}
else
{
//TODO: throw exception that the game cannot accept new members
}
}
/// <summary>
/// Get the position of the specified player
/// </summary>
public PlayerPosition GetPlayerPosition(Player player)
{
return
Players
.Where(p => p.Value == player)
.Select(p => p.Key).FirstOrDefault();
}
/// <summary>
/// Return the current state of the game play including
/// number of tricks won by each team, number of cards held by each player
/// , the current player cards, the cards in the current trick
/// </summary>
/// <returns></returns>
public GamePlayState GetGamePlayState(Player player)
{
if (Status == GameSessionStatus.GamePlay)
{
if (gamePlay != null)
{
PlayerPosition position = GetPlayerPosition(player);
return new GamePlayState()
{
CurrentCards = gamePlay.PlayerCards[position],
CurrentTurn = gamePlay.CurrentTurn,
CurrentTrick = gamePlay.CurrentTrick,
CurrentTrickBaseSuit = gamePlay.CurrentTrickBaseSuit,
TricksWon = gamePlay.TricksWon
};
}
}
else
{
throw new InvalidOperationException("Game is not in the Game Play state");
}
return null;
}
/// <summary>
/// Checks if the specified player is member of the team
/// </summary>
public bool IsMember(Player player)
{
return (Player1 == player || Player2 == player);
}
/// <summary>
/// Make the specified player leave the team
/// </summary>
/// <param name="player"></param>
public void Leave(Player player)
{
if (player == Player1)
{
Player1 = null;
}
else
{
Player2 = null;
}
}
private GameSession PrepareGameSession()
{
GameSession gameSession = new GameSession();
Player north = new Player(Guid.NewGuid(), "North");
Player south = new Player(Guid.NewGuid(), "South");
Player east = new Player(Guid.NewGuid(), "East");
Player west = new Player(Guid.NewGuid(), "West");
gameSession.Join(north, PlayerPosition.North);
gameSession.Join(south, PlayerPosition.South);
gameSession.Join(east, PlayerPosition.East);
gameSession.Join(west, PlayerPosition.West);
return gameSession;
}