static void Main(string[] args)
{
// Controls game loop
bool restartGame;
do
{
// Initializates some values
restartGame = false;
int playersCount = 0;
Player[] players;
// Creates the deck and shuffles it
Deck deck = new Deck();
deck.ShuffleDeck();
// Shows a welcome message and ask for the number of players
Console.WriteLine("Welcome to Black Jack Game! Please, enter the number of players:");
// The numbers of players in the game must be greater than 0 and less than 5
while (playersCount <= 0 || playersCount > 4)
{
// Try parsing the line read
int.TryParse(Console.ReadLine(), out playersCount);
// Shows a warning message
if (playersCount <= 0 || playersCount > 4)
{
Console.WriteLine("Please, enter a valid number greater than 0 and less than 5:");
}
}
Console.WriteLine("\n----------\n");
// Players array length will be the playersCount + the croupier
players = new Player[playersCount + 1];
// The croupier will be the first player of the array
players[0] = new Player("Croupier");
// Ask for player's name
for (int i = 1; i < players.Length; i++)
{
Console.WriteLine("Player {0}, enter your name:", i);
string playerName = Console.ReadLine();
// Player's name can not be croupier or similar. Names by default will be PlayerX
if (playerName == "" || playerName.ToLower() == "croupier")
{
players[i] = new Player("Player" + i);
Console.WriteLine("Your name can not be null or Croupier. Your name is {0}\n", players[i].Name);
}
else
{
players[i] = new Player(playerName);
Console.WriteLine("Your name is {0}\n", playerName);
}
}
Console.WriteLine("----------\n");
// Gives each player their starting cards
foreach (Player player in players)
{
// The croupier's will get 1 card and the players will get 2
if (player.Name == "Croupier")
{
// Gets a card from the deck and adds it to the croupier's cards
Card cardToAdd = deck.AskForCard();
player.cards.Add(cardToAdd);
// Shows the card information and its value
Console.WriteLine("Croupier first card is {0}. Croupier total score is {1}",
cardToAdd.ToString(),
player.GetTotalValue());
}
else
{
// Gets 2 cards from the deck and adds them to the player's cards
Card card1 = deck.AskForCard();
Card card2 = deck.AskForCard();
player.cards.Add(card1);
player.cards.Add(card2);
// Gets the total player value
int value = player.GetTotalValue();
// Message shown by default
string message = string.Format("{0} cards are {1} and {2}. {0} total score is {3}",
player.Name,
card1.ToString(),
card2.ToString(),
value);
// If the player has BlackJack, adds the string to the default message
if (value == 21)
{
message += "You have BlackJack!";
player.BlackJack = true;
}
// Shows the final message
Console.WriteLine(message);
}
}
Console.WriteLine("\n----------");
// Players turns
for (int i = 1; i < players.Length; i++)
{
// If the player has BlackJack continues with the next one
if (players[i].BlackJack)
{
continue;
}
// Shows the name of the player who is playing now
Console.WriteLine("It is {0} turn!", players[i].Name);
Console.WriteLine("----------");
// Initializates nextPlayer flag
bool nextPlayer = false;
// While the nextPlayer value is false, the player can ask for more cards or pass
while (!nextPlayer)
{
// Shows the player's cards
Console.WriteLine(players[i].ToString());
// Shows the player's losing probability when asking for more cards
Console.WriteLine("Your losing probability is {0:0.00}\n",
deck.CalculateLosingProbability(players[i].GetTotalValue()));
// Ask for player action
Console.WriteLine("What do you want to do?");
Console.WriteLine("C = more cards || Any other key = pass");
// If the player enters a c, asks for one card. Otherwise, passes the turn
if (Console.ReadLine().ToLower() == "c")
{
// Gets the card and adds it to the player's cards
Card card = deck.AskForCard();
players[i].cards.Add(card);
// Shows the card information
Console.WriteLine("You asked for more cards and you get {0}!", card.ToString());
// If the player has a score of 21 or more, passes the turn
if (players[i].GetTotalValue() == 21)
{
Console.WriteLine("You have a total score of 21, you pass the turn!");
Console.WriteLine("----------");
nextPlayer = true;
}
else if (players[i].GetTotalValue() > 21)
{
Console.WriteLine("Sorry, you exceeded 21. You lose :(");
Console.WriteLine("----------");
nextPlayer = true;
}
Console.WriteLine();
}
else
{
Console.WriteLine("{0} passed\n", players[i].Name);
Console.WriteLine("----------");
nextPlayer = true;
}
}
}
// Shows that it is the croupier's turn
Console.WriteLine("It is Croupier turn!");
Console.WriteLine("----------");
// The croupier must ask for cards if the score is less than or equal to 16
while (players[0].GetTotalValue() <= 16)
{
Card card = deck.AskForCard();
players[0].cards.Add(card);
Console.WriteLine("Croupier got {0}! Croupier total score is {1}",
card.ToString(), players[0].GetTotalValue());
}
Console.WriteLine("\n----------\n");
Console.WriteLine("Game is over!\n");
// Shows the croupier's total score
Console.WriteLine("Croupier total score is {0}", players[0].GetTotalValue());
// Shows final results
for (int i = 1; i < players.Length; i++)
{
// Gets the player's score
int playerScore = players[i].GetTotalValue();
// If the player exceeded 21 points or his score is less than the croupier,
// the player has lost the game
if (playerScore > 21 || playerScore < players[0].GetTotalValue())
{
Console.WriteLine("{0} loses with a total score of {1}",
players[i].Name, players[i].GetTotalValue());
}
else
{
// If the player has a score greater than the croupier, the player has beaten the croupier
if (playerScore > players[0].GetTotalValue())
{
Console.WriteLine("{0} beats the Croupier with a total score of {1}",
players[i].Name, players[i].GetTotalValue());
}
// If the player has a score equal to the croupier, the player ties with the croupier
else
{
Console.WriteLine("{0} ties with the Croupier",
players[i].Name);
}
}
}
Console.WriteLine("\n----------\n");
// Shows how to restart the game
Console.WriteLine("Press r if you want to play again or any other key to exit");
// If the player enters a r, restart the game
if (Console.ReadLine().ToLower() == "r")
{
restartGame = true;
}
} while (restartGame);
}