/// Print current score for both players.
public void PrintScore()
{
var(black, white) = PlayerScores();
Console.WriteLine("\n" + this);
Console.Write($"Score: {ColorPrint.Get(black, Disk.Black.DiskColor())} | " +
$"{ColorPrint.Get(white, Disk.White.DiskColor())}\n");
}
/// Print available move coordinates and resulting points gained.
public void PrintMoves(IReadOnlyCollection <Move> moves)
{
ColorPrint.Write($" Possible moves ({moves.Count}):\n", Color.Yellow);
// convert board from Disk enums to strings
var boardStr = new List <string>(_board.Count);
boardStr.AddRange(_board.Select(disk => disk.BoardChar()));
foreach (var move in moves)
{
Console.WriteLine($" {move}");
var(x, y) = move.Square;
boardStr[y * _size + x] = ColorPrint.Get(move.Value, Color.Yellow);
}
// print board with move positions
Console.Write(" ");
foreach (var i in _indices)
{
Console.Write($" {i}");
}
foreach (var y in _indices)
{
Console.Write($"\n {y}");
foreach (var x in _indices)
{
Console.Write($" {boardStr[y * _size + x]}");
}
}
Console.WriteLine("");
}
public static string BoardChar(this Disk disk)
{
if (disk == Disk.Empty)
{
return("_");
}
return(ColorPrint.Get(disk == Disk.White ? "W" : "B", disk.DiskColor()));
}
/// Ask and return the desired board size.
private static int GetBoardSize()
{
while (true)
{
Console.Write("Choose board size (default is 8): ");
if (int.TryParse(Console.ReadLine(), out var boardSize))
{
return(Math.Max(4, Math.Min(boardSize, 8)));
}
ColorPrint.Error("give a valid number...");
}
}
/// Return move chosen by a human player.
private Move GetHumanMove(List <Move> moves)
{
while (true)
{
var square = GetSquare();
// check if given square is one of the possible moves
if (moves.Exists(x => square.Equals(x.Square)))
{
return(moves.Find(x => square.Equals(x.Square)));
}
ColorPrint.Error($"can't place a {_disk.Name()} disk in square {square}!", 2);
}
}
public static void Main(string[] args)
{
ColorPrint.Write("OTHELLO GAME - C#\n", Color.Green);
// try to read board size from command line args
if (args.Length == 0 || !int.TryParse(args[0], out var boardSize))
{
boardSize = GetBoardSize();
}
else
{
Console.WriteLine($"Using board size: {boardSize}");
}
var game = new Othello(boardSize);
game.Play();
}
/// Ask human player for square coordinates.
private static Square GetSquare()
{
while (true)
{
try {
Console.Write(" Give disk position (x,y): ");
var coords = Console.ReadLine();
if (string.IsNullOrEmpty(coords) || coords.Length != 3 || coords[1] != ',')
{
throw new FormatException();
}
var x = int.Parse(coords.Substring(0, 1));
var y = int.Parse(coords.Substring(2, 1));
return(new Square(x, y));
} catch (FormatException) {
ColorPrint.Error("give coordinates in the form (x,y)!", 2);
}
}
}
/// Print ending status and winner info.
private void PrintResult()
{
Console.WriteLine("\n================================");
ColorPrint.Write("The game is finished!\n", Color.Green);
Console.WriteLine("Result:".Pastel(Color.Silver));
PrintStatus();
Console.WriteLine("");
var winner = _board.Result();
if (winner == Disk.Empty)
{
Console.WriteLine("The game ended in a tie...");
}
else
{
Console.WriteLine($"The winner is {winner.Name()}!");
}
}
/// Play one round as this player.
public void PlayOneMove(Board board)
{
Console.WriteLine($"Turn: {_disk.Name()}");
var moves = board.PossibleMoves(_disk);
if (moves.Any())
{
_canPlay = true;
if (_human && _showHelpers)
{
board.PrintMoves(moves);
}
var chosenMove = _human ? GetHumanMove(moves) : GetComputerMove(moves);
board.PlaceDisc(chosenMove);
board.PrintScore();
++_roundsPlayed;
}
else
{
_canPlay = false;
ColorPrint.Write(" No moves available...", Color.Yellow);
}
}
public static string Name(this Disk disk)
{
return(ColorPrint.Get(disk.ToString().ToUpper(), disk.DiskColor()));
}
