public void Bet(int amount)
{
ValidationException.ThrowIfTrue(amount > Balance, "insufficient funds");
Balance -= amount;
AmountBet += amount;
RoundStatus = Balance == 0 ? PlayerRoundStatus.AllIn : PlayerRoundStatus.HasBet;
}
public string Join(string name, int buyIn)
{
ValidationException.ThrowIfTrue(Players.Any(x => x.Name == name), "Name taken");
ValidationException.ThrowIfTrue(Players.Count >= MaxPlayers, "Game already full");
int[] availableSeats = Enumerable.Range(0, MaxPlayers)
.Where(x => !Players.Any(p => p.SeatNumber == x))
.ToArray();
int seatIndex = new Random().Next(availableSeats.Count());
var player = new Player(name, buyIn, availableSeats[seatIndex]);
Players.Add(player);
Players = Players.OrderBy(x => x.SeatNumber).ToList();
return(player.Id);
}
public void MakeMove(string playerId, int?amount)
{
Player player = Players.FirstOrDefault(x => x.Id == playerId);
ValidationException.ThrowIfTrue(player == null, "Invalid player ID");
ValidationException.ThrowIfTrue(player.SeatNumber != NextSeatNumber, "Not your move");
ProcessBet(player, amount);
int highestBet = Players.Max(x => x.AmountBet);
// All players folded - award money
if (Players.Count(x => x.RoundStatus != PlayerRoundStatus.Folded) == 1)
{
Players.ForEach(x => x.EndRound());
Pot = Players.Sum(x => x.TotalAmountBet);
var winner = Players.First(x => x.RoundStatus != PlayerRoundStatus.Folded);
winner.AwardWinnings(Pot);
StartRound();
}
// All players have matched the bet, folded or are all in and no players are big blind.
else if (Players.All(x =>
(x.RoundStatus == PlayerRoundStatus.Checked) ||
((x.AmountBet == highestBet ||
x.RoundStatus == PlayerRoundStatus.Folded ||
x.RoundStatus == PlayerRoundStatus.AllIn) && x.RoundStatus != PlayerRoundStatus.BigBlind && highestBet != 0)))
{
Players.ForEach(x => x.EndRound());
Pot = Players.Sum(x => x.TotalAmountBet);
NextSeatNumber = NextPlayer(DealerSeatNumber).SeatNumber;
BettingRound = (BettingRound)((int)BettingRound + 1);
MinimumMoveAmount = 0;
}
else
{
Player nextPlayer = NextActivePlayer(player.SeatNumber);
NextSeatNumber = nextPlayer.SeatNumber;
CalculateMinMoveAmount();
// stay in current betting round
}
}
private void ProcessBet(Player player, int?amount)
{
if (amount == null)
{
player.Fold();
return;
}
int highestBet = Players.Max(x => x.AmountBet);
int betAmount = amount.Value;
ValidationException.ThrowIfTrue(amount < MinimumMoveAmount, "Les than minimum move amount");
if (betAmount == 0)
{
player.Check();
return;
}
if (betAmount == MinimumMoveAmount)
{
player.Call(betAmount);
return;
}
// less than minimum bet, not going all in
ValidationException.ThrowIfTrue(
betAmount + player.AmountBet <highestBet + MinimumBetIncrement && player.Balance> betAmount,
"can not bet less than current bet");
player.Bet(betAmount);
// Bet has been made check increment increase
int playersIncrement = player.AmountBet - highestBet;
MinimumBetIncrement = Math.Max(playersIncrement, MinimumBetIncrement);
}