public void Play()
{
// set starting player to the player who is Os
// this.currentPlayer = (this.players[0].Token == Piece.PieceValue.O) ? (byte)0 : (byte)1;
foreach (Player p in this.players)
{
this.currentPlayer = p;
if (p.Token == Piece.PieceValue.O)
{
break;
}
}
// draw the empty board
this.DrawBoard();
Console.WriteLine();
// player this game until there is a winner
while (!this.Over)
{
// get a reference to the current player
this.currentPlayer = (Player)players.Current;
// player selects a move
ushort move = this.currentPlayer.Move(this.theBoard);
// mark move on the board
this.theBoard.Place(new Piece(this.currentPlayer.Token), move);
// draw the board on the screen
Console.WriteLine("Round {0}: {1} chooses square {2}.", this.theBoard.Moves, this.currentPlayer.Token.ToString(), move);
this.DrawBoard();
Console.WriteLine();
// check to see if the most recent player won
if (this.Over = theBoard.Win(this.currentPlayer.Token))
{
this.currentPlayer.AddPoints(1);
this.PrintWinner();
}
// check to see if the game is a draw
else if (this.Over = theBoard.Full())
{
this.PrintDraw();
}
// otherwise, move to next player
else
{
players.MoveNext();
}
}
}
protected static bool ImmediateBlock(Piece inPiece, TicTacToeBoard inBoard, ref ushort bestMove)
{
Piece p = (inPiece.Value == Piece.PieceValue.X) ? new Piece(Piece.PieceValue.X) : new Piece(Piece.PieceValue.O);
for (ushort i = 0; i < inBoard.Length; ++i)
{
// create a clone of the current board
TicTacToeBoard tempBoard = new TicTacToeBoard(inBoard);
tempBoard.Place(p, i);
if (tempBoard.Win(p.Value))
{
bestMove = i;
return(true);
}
}
return(false);
}
protected static bool ImmediateWin(Piece inPiece, TicTacToeBoard inBoard, ref ushort bestMove)
{
for (ushort i = 0; i < inBoard.Length; ++i)
{
// create a clone of the current board
TicTacToeBoard tempBoard = new TicTacToeBoard(inBoard);
// place a piece on each sqaure in the new board
tempBoard.Place(inPiece, i);
// and see if it results in an immediate win
if (tempBoard.Win(inPiece.Value))
{
bestMove = i;
return(true);
}
}
return(false);
}
