public void ClearPossibleMoves(Piece piece, params Predicate <IMove>[] predicates)
{
var illegalMoves = new List <IMove>();
var moves = piece.GetMoves();
foreach (var move in moves)
{
var illegal = false;
foreach (var predicate in predicates)
{
if (!predicate(move))
{
continue;
}
illegal = true;
break;
}
if (illegal)
{
illegalMoves.Add(move);
}
}
piece.ClearMoves(illegalMoves);
}
public void PrintBoard(Piece selectedPiece = null)
{
Console.Clear();
var roundFlag = true;
for (int i = _board.GetLength(0) - 1; i >= 0; i--)
{
Console.WriteLine("---------------------------------------------");
Console.Write($" {i + 1} |");
for (int j = 0; j < _board.GetLength(1); j++)
{
var piece = _board[i, j].OccupyingPiece;
var pos = new PiecePosition(i, j);
if (roundFlag)
{
Console.BackgroundColor = ConsoleColor.Gray;
}
else
{
Console.BackgroundColor = ConsoleColor.DarkGray;
}
roundFlag = !roundFlag;
if (selectedPiece != null && selectedPiece.GetMoves().Any(m => m.GetMovePos().Position == pos))
{
Console.BackgroundColor = ConsoleColor.Magenta;
}
if (piece == null)
{
Console.ForegroundColor = ConsoleColor.Black;
Console.Write(" ");
continue;
}
Console.ForegroundColor = piece.PieceOwner.Side == "bottom" ? ConsoleColor.DarkBlue : ConsoleColor.DarkRed;
Console.Write($" {piece.VisualID} ");
}
// offset for checker board pattern.
roundFlag = !roundFlag;
Console.ResetColor();
Console.WriteLine();
}
Console.WriteLine("---------------------------------------------");
for (int i = 0; i < _board.GetLength(1) + 1; i++)
{
Console.Write($"| {i} |");
}
Console.WriteLine("\n---------------------------------------------");
}
//Turn function
public static bool turn()
{
//determine current player
string player = PLAYERS[turns % 2];
//Draw board and prompt
Console.Clear();
Console.WriteLine(board);
Console.WriteLine(String.Format("Where would you like to move, {0}?", player));
Console.WriteLine("\tType 'h' for help");
//request input
string input = Console.ReadLine();
//Lambda for printing help menu;
Action printH = () => {
Console.WriteLine("Type [piece],[location] to move your piece.");
Console.WriteLine("\tEx: 'wp1,a-3'");
Console.WriteLine("Type [piece] to see a piece's moves.");
Console.WriteLine("\tEx: 'wp1'");
//After, printing instructions, request another input and
// return to original logic flow
input = Console.ReadLine();
};
//Check for 'h' (or 'H')
if (input.ToUpper().Equals("H"))
{
printH();
}
//loop variables
bool validMove = false;
string message = null;
//Do, while the user has not entered a valid input, or moved
do
{
while (!verify.Match(input).Success || message != null)
{
if (message != null)
{
Console.WriteLine(message);
}
Console.WriteLine("Invalid input! Try again!");
message = null;
input = Console.ReadLine();
//Check for 'h' (or 'H')
if (input.ToUpper().Equals("H"))
{
printH();
}
}
//If input contains a "," and it passed the Regex match, then it must be a movement action
if (input.Contains(","))
{
string piece;
string move;
string[] splits = input.Split(",");
piece = splits[0];
move = splits[1];
//Retrieving piece from board
Piece p = Chess.GetBoard().GetPiece(piece);
if (p != null)
{
if (p.GetColor() == PLAYTYPES[turns % 2])
{
//Parsing moveTo location
int col = ((int)move[0]) - 'a';
int row = 8 - (((int)move[2]) - '0');
Point target = new Point(row, col);
//Getting piece's moves
List <Point> moves = p.GetMoves();
//Searching through movelist for a point matching the moveTo coordinate
bool found = moves.Exists((point) => point.Equals(target));
//movepiece
if (found)
{
bool moved;
(moved, message) = MovePiece(p, target);
//If piece was able to move
if (moved)
{
if (p.GetType() == typeof(Pawn))
{
((Pawn)p).SetMoved(moved);
//A pawn cannot move backwards, so the only time
// any pawn can reach the edge of the field is when it
// hits the opposite edge, turn the piece into a queen
if (p.GetLoc().X == 7 || p.GetLoc().X == 0)
{
Chess.GetBoard().SetPiece(new Queen(p.GetColor(), p.GetLoc()), p.GetLoc());
}
}
if (message != null && message.Equals("Check mate!"))
{
return(false);
}
validMove = true;
}
//Else if piece couldn't move (checking self)!
// move was not valid, try again
else
{
}
}
else
{
message = "Cannot move there!";
//return false;
}
}
else
{
message = "Not your piece";
//return false;
}
}
//Invalid move location
else
{
message = String.Format("Cannot move there!\n\t" +
"Type '{0}' to view the moves of piece {0}", piece);
}
}
//Else, printing moves of piece
else
{
//Getting piece
Piece piece = Chess.GetBoard().GetPiece(input);
//Getting piece's moves
List <Point> moves = piece.GetMoves();
string str = Chess.GetBoard().ToString(moves);
//Prining new board
Console.Clear();
Console.WriteLine(Chess.GetBoard().ToString(moves));
Console.WriteLine("Type 'x' to remove x's!");
input = Console.ReadLine();
//Check for 'h' (or 'H')
if (input.ToUpper().Equals("H"))
{
printH();
}
else if (input.ToUpper().Equals("X"))
{
//Printing cleared board
Console.Clear();
Console.WriteLine(Chess.GetBoard());
Console.WriteLine("Continue!");
input = Console.ReadLine();
}
}
}while (!validMove);
turns++;
return(true);
}
