const int xOrig = 2;
const int yOrig = 4;
const int xStep = 4;
const int yStep = 2;
static int[] pos = new int[2];
static Player[,] board = new Player[3, 3];
static Player winner = Player.None;
enum Player
{
None = 0,
P1,
P2
}
static void Main(string[] args)
{
Console.CursorSize = 100;
ConsoleKey playAgain = ConsoleKey.Y;
while (playAgain == ConsoleKey.Y)
{
Player currentPlayer = Player.P1;
while (!GameOver())
{
GetUserMove(currentPlayer);
currentPlayer = currentPlayer == Player.P1 ? Player.P2 : Player.P1;
}
DisplayBoard(Player.None);
Console.SetCursorPosition(0, 13);
if (winner == Player.None)
{
Console.WriteLine("It was a draw...");
}
else
{
Console.WriteLine("The winner is: Player {0}", winner == Player.P1 ? '1' : '2');
}
ResetGame();
Console.WriteLine("Play Again? [Y/N]\n");
playAgain = Console.ReadKey().Key;
}
}
static void GetUserMove(Player currentPlayer)
{
bool validMove = false;
while (!validMove)
{
DisplayBoard(currentPlayer);
Console.CursorLeft += 2;
Console.CursorTop -= 8;
pos[0] = Console.CursorLeft;
pos[1] = Console.CursorTop;
ConsoleKey conKey = ConsoleKey.NoName;
while ((conKey = Console.ReadKey().Key) != ConsoleKey.Enter)
{
DisplayBoard(currentPlayer);
switch (conKey)
{
case ConsoleKey.UpArrow:
if (pos[1] == 8 || pos[1] == 6) pos[1] -= 2;
break;
case ConsoleKey.DownArrow:
if (pos[1] < 8) pos[1] += 2;
break;
case ConsoleKey.LeftArrow:
if (pos[0] > 2) pos[0] -= 4;
break;
case ConsoleKey.RightArrow:
if (pos[0] < 10) pos[0] += 4;
break;
}
Console.SetCursorPosition(pos[0], pos[1]);
}
int x = (pos[1] - yOrig) / yStep;
int y = (pos[0] - xOrig) / xStep;
if (board[x, y] == Player.None)
{
board[x, y] = currentPlayer;
validMove = true;
}
else
{
Console.Clear();
Console.WriteLine("That spot already has a marker! Please place your marker elsewhere...");
Console.WriteLine("(Press any key to continue...)");
Console.ReadKey();
}
}
}
static void DisplayBoard(Player currentPlayer)
{
Console.Clear();
DisplayInstructions();
Console.WriteLine("-------------");
for (int row = 0; row < 3; row++)
{
char[] arr = new char[3];
for (int col = 0; col < 3; col++)
{
if (board[row, col] == Player.None)
{
arr[col] = ' ';
}
else
{
arr[col] = board[row, col] == Player.P1 ? 'X' : 'O';
}
}
Console.WriteLine("| {0} |", string.Join(" | ", arr));
Console.WriteLine("-------------");
}
Console.WriteLine("\nPlayer {0}'s Turn...", currentPlayer == Player.P1 ? '1' : '2');
}
static bool GameOver()
{
// Reading order
bool boardComplete = true;
for (int row = 0; row < 3; row++)
{
for (int col = 0; col < 3; col++)
{
Player player = Player.None;
if ((player = board[row, col]) != Player.None)
{
// Check row
{
for (int i = 0; i < 3; i++)
{
if (board[row, i] != player)
{
break;
}
else if (i == 2)
{
winner = player;
return true;
}
}
}
// Check column
{
for (int i = 0; i < 3; i++)
{
if (board[i, col] != player)
{
break;
}
else if (i == 2)
{
winner = player;
return true;
}
}
}
// Determines whether we should check the diagonals
if ((row == 1 && col == 1) || (col != 1 && row != 1))
{
for (int i = 0; i < 3; i++)
{
if (board[i, i] != player)
{
break;
}
else if (i == 2)
{
winner = player;
return true;
}
}
for (int i = 2, j = 0; j < 3; i--, j++)
{
if (board[i, j] != player)
{
break;
}
else if (j == 2)
{
winner = player;
return true;
}
}
}
}
else
{
boardComplete = false;
}
}
}
if (boardComplete)
{
return true;
}
return false;
}
static void ResetGame()
{
board = new Player[3, 3];
winner = Player.None;
}
static void DisplayInstructions()
{
Console.WriteLine("Note: Use the arrow keys to navigate.\n(Press enter when you want to place your marker.)\n");
}
