public Position ReadPositionFromFile(string fileName)
{
List <Piece> whitePieces = new List <Piece>();
List <Piece> blackPieces = new List <Piece>();
StreamReader reader;
try
{
reader = File.OpenText(fileName);
}
catch (Exception exc) { return(null); }
string inputLine = null;
inputLine = reader.ReadLine();
Position.Players colTurn;
if (inputLine.StartsWith("White"))
{
colTurn = Position.Players.White;
}
else if (inputLine.StartsWith("Black"))
{
colTurn = Position.Players.Black;
}
else
{
return(null);
}
while ((inputLine = reader.ReadLine()) != null)
{
if (inputLine.StartsWith("{"))
{
continue;
}
string[] s = inputLine.Split(' ');
string pieceKind = s[0];
string stringColor = s[1];
Position.Players color;
if (stringColor.Equals("White"))
{
color = Position.Players.White;
}
else
{
color = Position.Players.Black;
}
char file = Char.Parse(s[2]);
int rank = Int32.Parse(s[3]);
Piece piece = null;
Square square = new Square(file, rank);
switch (pieceKind)
{
case "King": piece = new King(square, color); break;
case "Queen": piece = new Queen(square, color); break;
case "Rook": piece = new Rook(square, color); break;
case "Bishop": piece = new Bishop(square, color); break;
case "Knight": piece = new Knight(square, color); break;
case "Pawn": piece = new Pawn(square, color, null); break;
}
if (color.Equals(Position.Players.White))
{
whitePieces.Add(piece);
}
else
{
blackPieces.Add(piece);
}
}
reader.Close();
Position position = new Position(whitePieces, blackPieces, null, colTurn, 0, null);
return(position);
}
public Piece parseFenPiecePlacement(char piecePlacement, out int blankSquares)
{
Piece retPiece = null;
blankSquares = 1;
switch (piecePlacement)
{
case 'p':
retPiece = new Pawn(null, Position.Players.Black, null);
break;
case 'n':
retPiece = new Knight(null, Position.Players.Black, null);
break;
case 'b':
retPiece = new Bishop(null, Position.Players.Black, null);
break;
case 'r':
retPiece = new Rook(null, Position.Players.Black, null);
break;
case 'q':
retPiece = new Queen(null, Position.Players.Black, null);
break;
case 'k':
retPiece = new King(null, Position.Players.Black, null);
break;
case 'P':
retPiece = new Pawn(null, Position.Players.White, null);
break;
case 'N':
retPiece = new Knight(null, Position.Players.White, null);
break;
case 'B':
retPiece = new Bishop(null, Position.Players.White, null);
break;
case 'R':
retPiece = new Rook(null, Position.Players.White, null);
break;
case 'Q':
retPiece = new Queen(null, Position.Players.White, null);
break;
case 'K':
retPiece = new King(null, Position.Players.White, null);
break;
case '/':
blankSquares = 9;
break;
case '1':
blankSquares = 1;
break;
case '2':
blankSquares = 2;
break;
case '3':
blankSquares = 3;
break;
case '4':
blankSquares = 4;
break;
case '5':
blankSquares = 5;
break;
case '6':
blankSquares = 6;
break;
case '7':
blankSquares = 7;
break;
case '8':
blankSquares = 8;
break;
}
return(retPiece);
}
