/// <summary>
/// Create new Array[8,8] for a Board and put pieces on it
/// </summary>
private void PopulateBoard()
{
_Board = new Piece[8, 8];
_Board[0, 0] = new Piece(PieceType.Rook, PlayerColor.White);
_Board[0, 1] = new Piece(PieceType.Knight, PlayerColor.White);
_Board[0, 2] = new Piece(PieceType.Bishop, PlayerColor.White);
_Board[0, 3] = new Piece(PieceType.Queen, PlayerColor.White);
_Board[0, 4] = new Piece(PieceType.King, PlayerColor.White);
_Board[0, 5] = new Piece(PieceType.Bishop, PlayerColor.White);
_Board[0, 6] = new Piece(PieceType.Knight, PlayerColor.White);
_Board[0, 7] = new Piece(PieceType.Rook, PlayerColor.White);
_Board[7, 0] = new Piece(PieceType.Rook, PlayerColor.Black);
_Board[7, 1] = new Piece(PieceType.Knight, PlayerColor.Black);
_Board[7, 2] = new Piece(PieceType.Bishop, PlayerColor.Black);
_Board[7, 3] = new Piece(PieceType.Queen, PlayerColor.Black);
_Board[7, 4] = new Piece(PieceType.King, PlayerColor.Black);
_Board[7, 5] = new Piece(PieceType.Bishop, PlayerColor.Black);
_Board[7, 6] = new Piece(PieceType.Knight, PlayerColor.Black);
_Board[7, 7] = new Piece(PieceType.Rook, PlayerColor.Black);
for (int i = 0; i < 8; i++)
{
_Board[1, i] = new Piece(PieceType.Pawn, PlayerColor.White);
_Board[6, i] = new Piece(PieceType.Pawn, PlayerColor.Black);
}
}
/// <summary>
/// Return a list of pieces between coordinates A and B
/// </summary>
/// <param name="A">Start coordinate</param>
/// <param name="B">End coordinates</param>
/// <returns>Piece array; IIRC this array is 1 too long - sort of latent bug</returns>
public Piece[] ReturnPiecesBetween(Coordinate A, Coordinate B)
{
int XDelta, YDelta;
int XDir, YDir;
// find differences and directions of coordinates
B.AbsDelta(A, out XDelta, out YDelta);
B.Direction(A, out XDir, out YDir);
// allocate an array
Piece[] Result = null;
if (XDelta == 0)
Result = new Piece[YDelta];
if (YDelta == 0)
Result = new Piece[XDelta];
if (XDelta == YDelta)
Result = new Piece[XDelta];
//
int X = A.X + XDir;
int Y = A.Y + YDir;
int Index = 0;
//
while (((XDir == 0) || ((XDir == 1) && (X < B.X)) || ((XDir == -1) && (X > B.X)))
&& ((YDir == 0) || ((YDir == 1) && (Y < B.Y)) || ((YDir == -1) && (Y > B.Y)))
)
{
Result[Index++] = _Board[Y, X];
X += XDir;
Y += YDir;
}
return Result;
}