/// <summary>
/// Returns a new GameBoard identical to this one.
/// </summary>
/// <returns></returns>
public GameBoard Duplicate()
{
GameBoard copy = new GameBoard();
char turn = this.CurrentTurn;
int count = 0;
Utility.ActOnMatrix((i, j) =>
{
char mark = moveMatrix[i, j];
if (mark == 'X')
{
count++;
}
if (mark == 'O')
{
count--;
}
if (mark != 'N')
{
copy.Mark(j, i, moveMatrix[i, j]);
}
});
copy.CurrentTurn = turn;
return(copy);
}
/// <summary>
/// Marks the GameBoard at the specified coordinates.
/// </summary>
/// <param name="x">The x-coordinate of the space to mark.</param>
/// <param name="y">The y-coordinate of the space to mark.</param>
public void Mark(int x, int y)
{
if (gameBoard.Mark(x, y))
{
char winner = gameBoard.TestBoard();
if (winner != 'N')
{
isFinished = true;
DisplayResult(winner);
}
UpdateMarks();
}
}
/// <summary>
/// Gets all potential moves of the specified game board for the current player, in the form of a
/// List of GameBoards where each board has one of the moves performed.
/// </summary>
/// <param name="board">The GameBoard whose children should be generated.</param>
/// <returns>Returns a List of GameBoards, each representing possible states that the specified GameBoard could reach.</returns>
public static List <GameBoard> GenerateChildren(GameBoard board)
{
List <GameBoard> children = new List <GameBoard>();
Utility.ActOnMatrix((i, j) =>
{
if (board.MoveMatrix[i, j] == 'N')
{
GameBoard copy = board.Duplicate();
copy.Mark(j, i);
children.Add(copy);
}
});
return(children);
}
