public Knight(OwnerTypes owner, PiecePosition position) : base(owner, position)
{
Type = PieceTypes.Knight;
name = "Knight";
if (owner == OwnerTypes.Black)
{
Picture = new Bitmap(Properties.Resources.BlackHorse);
}
else
{
Picture = new Bitmap(Properties.Resources.WhiteHorse);
}
}
public Pawn(OwnerTypes owner, PiecePosition position) : base(owner, position)
{
Type = PieceTypes.Pawn;
name = "Pawn";
if (owner == OwnerTypes.Black)
{
Picture = new Bitmap(Properties.Resources.BlackPawn);
}
else
{
Picture = new Bitmap(Properties.Resources.WhitePawn);
}
}
public override List <PiecePosition> GetPossibileMoves(ChessTableSquare[,] table)
{
List <PiecePosition> moves = new List <PiecePosition>();
for (int i = (int)Position.Column + 1, j = Position.Row + 1; i <= 8 & j <= 8; i++, j++) //UP-UP
{
var newPos = new PiecePosition(i, j);
if (ValidateMove(newPos, table, 1))
{
moves.Add(newPos);
}
}
for (int i = (int)Position.Column - 1, j = (int)Position.Row + 1; i >= 1 && j <= 8; i--, j++) //DOWN-left
{
var newPos = new PiecePosition(i, j);
if (ValidateMove(newPos, table, 2))
{
moves.Add(newPos);
}
else
{
break;
}
}
for (int i = (int)Position.Column + 1, j = (int)Position.Row - 1; i <= 8 & j > 1; i++, j--) //up-down
{
var newPos = new PiecePosition(i, j);
if (ValidateMove(newPos, table, 3))
{
moves.Add(newPos);
}
}
for (int i = (int)Position.Column - 1, j = (int)Position.Row - 1; i >= 1 && j >= 1; i--, j--) //up-left
{
var newPos = new PiecePosition(i, j);
if (ValidateMove(newPos, table, 4))
{
moves.Add(newPos);
}
else
{
break;
}
}
return(moves);
}
public override bool Move(PiecePosition newPosition, ChessTableSquare[,] table)
{
//Check for for each of the 8 possibile moves by checking some argument first
//For example the first move is bottom left, condition is row changed by 2, then if column changed by 1
//Because the first part of an if (_&&_) is executed first, it suits perfectly
if (ValidateMove(newPosition, table))
{
Position = newPosition;
return(true);
}
else
{
return(false);
}
}
public override void Move(PiecePosition newPosition, ChessTableSquare[,] table)
{
//Check for for each of the 8 possibile moves by checking some argument first
//For example the first move is bottom left, condition is row changed by 2, then if column changed by 1
//Because the first part of an if (_&&_) is executed first, it suits perfectly
if (Math.Abs(newPosition.Row - Position.Row) == 2 && Math.Abs(newPosition.Column - Position.Column) == 1)
{
Position = newPosition;
return;
}
if (Math.Abs(newPosition.Row - Position.Row) == 1 && Math.Abs(newPosition.Column - Position.Column) == 2)
{
Position = newPosition;
return;
}
throw new IllegalMoveException(this, String.Format("Can not move from {0} to {1}", Position.ToString(), newPosition.ToString()));
}
public override void Move(PiecePosition newPosition, ChessTableSquare[,] table)
{
if ((Math.Abs(newPosition.Column - Position.Column) == Math.Abs(newPosition.Row - Position.Row)) && Math.Abs(newPosition.Row - Position.Row) == 1)
{
Position = newPosition;
return;
}
if ((newPosition.Row == Position.Row && newPosition.Column != Position.Column) && Math.Abs(newPosition.Column - Position.Column) == 1)
{
Position = newPosition;
return;
}
if ((newPosition.Column == Position.Column && newPosition.Row != Position.Row) && Math.Abs(newPosition.Row - Position.Row) == 1)
{
Position = newPosition;
return;
}
throw new IllegalMoveException(this, "Can not move to the new position: " + newPosition.ToString());
}
public PiecePosition(PiecePosition position)
{
Column = position.Column;
Row = position.Row;
}
// TODO: add extra rule to check if there is no piece in the way of the piece movement: done for tower public abstract bool Move(PiecePosition newPosition, ChessTableSquare[,] table);
public Piece(PieceTypes type, OwnerTypes owner, PiecePosition position)
{
Owner = owner;
Type = type;
Position = position;
}
public Piece(OwnerTypes owner, PiecePosition position)
{
Owner = owner;
Type = PieceTypes.Undefined;
Position = position;
}
public PieceLostEventArgs(Piece movedPiece, Piece overlappedPiece, PiecePosition beforePosition, PiecePosition afterPosition, string comment) : base(movedPiece, overlappedPiece, beforePosition, afterPosition, comment)
{
}
public override List <PiecePosition> GetPossibileMoves(ChessTableSquare[,] table)
{
List <PiecePosition> moves = new List <PiecePosition>();
if ((int)Position.Column + 2 < 8 && Position.Row + 1 < 8)
{
var newPos = new PiecePosition(Position.Column + 2, Position.Row + 1);
if (ValidateMove(newPos, table, 1))
{
moves.Add(newPos);
}
}
if ((int)Position.Column + 2 < 8 && Position.Row > 1)
{
var newPos = new PiecePosition(Position.Column + 2, Position.Row - 1);
if (ValidateMove(newPos, table, 2))
{
moves.Add(newPos);
}
}
if ((int)Position.Column - 2 > 1 && Position.Row + 1 < 8)
{
var newPos = new PiecePosition(Position.Column - 2, Position.Row + 1);
if (ValidateMove(newPos, table, 3))
{
moves.Add(newPos);
}
}
if ((int)Position.Column - 2 < 1 && Position.Row - 1 >= 1)
{
var newPos = new PiecePosition(Position.Column - 2, Position.Row - 1);
if (ValidateMove(newPos, table, 4))
{
moves.Add(newPos);
}
}
if ((int)Position.Column + 1 <= 8 && Position.Row + 2 < 8)
{
var newPos = new PiecePosition(Position.Column + 1, Position.Row + 2);
if (ValidateMove(newPos, table, 5))
{
moves.Add(newPos);
}
}
if ((int)Position.Column + 1 <= 8 && Position.Row - 2 >= 1)
{
var newPos = new PiecePosition(Position.Column + 1, Position.Row - 2);
if (ValidateMove(newPos, table, 6))
{
moves.Add(newPos);
}
}
if ((int)Position.Column - 1 >= 1 && Position.Row + 2 < 8)
{
var newPos = new PiecePosition(Position.Column - 1, Position.Row + 2);
if (ValidateMove(newPos, table, 7))
{
moves.Add(newPos);
}
}
if ((int)Position.Column - 1 >= 1 && Position.Row - 2 >= 1)
{
var newPos = new PiecePosition(Position.Column - 1, Position.Row - 2);
if (ValidateMove(newPos, table, 8))
{
moves.Add(newPos);
}
}
return(moves);
}
public override bool ValidateMove(PiecePosition newPosition, ChessTableSquare[,] table, int direction = 0)
{
if (!base.ValidateMove(newPosition, table, direction))
{
return(false);
}
if (direction == 0 && Position.Row == newPosition.Row && Position.Column == newPosition.Column)
{
return(false);
}
if ((direction == 0 || direction == 1) &&
newPosition.Row == Position.Row + 1 && newPosition.Column == Position.Column + 2)
{
return(true);
}
if ((direction == 0 || direction == 2) &&
newPosition.Row == Position.Row - 1 && newPosition.Column == Position.Column + 2)
{
return(true);
}
if ((direction == 0 || direction == 3) &&
newPosition.Row == Position.Row + 1 && newPosition.Column == Position.Column - 2)
{
return(true);
}
if ((direction == 0 || direction == 4) &&
newPosition.Row == Position.Row - 1 && newPosition.Column == Position.Column - 2)
{
return(true);
}
if ((direction == 0 || direction == 5) &&
newPosition.Row == Position.Row + 2 && newPosition.Column == Position.Column + 1)
{
return(true);
}
if ((direction == 0 || direction == 6) &&
newPosition.Row == Position.Row - 2 && newPosition.Column == Position.Column + 1)
{
return(true);
}
if ((direction == 0 || direction == 7) &&
newPosition.Row == Position.Row + 2 && newPosition.Column == Position.Column - 1)
{
return(true);
}
if ((direction == 0 || direction == 8) &&
newPosition.Row == Position.Row - 2 && newPosition.Column == Position.Column - 1)
{
return(true);
}
return(false);
}