/// <summary>
/// The move piece to fen position.
/// </summary>
/// <param name="charToken">
/// The char token.
/// </param>
/// <param name="intFile">
/// The int file.
/// </param>
/// <param name="intRank">
/// The int rank.
/// </param>
/// <param name="blnAnyLocation">
/// The bln any location.
/// </param>
/// <param name="blnAllowPromotion">
/// The bln allow promotion.
/// </param>
private static void MovePieceToFenPosition(
ref char charToken, int intFile, int intRank, bool blnAnyLocation, bool blnAllowPromotion)
{
Piece.PieceNames piecename = Piece.PieceNames.King;
Player player = charToken.ToString() == charToken.ToString().ToUpper() ? Game.PlayerWhite : Game.PlayerBlack;
switch (charToken.ToString().ToUpper())
{
case "K":
piecename = Piece.PieceNames.King;
break;
case "Q":
piecename = Piece.PieceNames.Queen;
break;
case "R":
piecename = Piece.PieceNames.Rook;
break;
case "B":
piecename = Piece.PieceNames.Bishop;
break;
case "N":
piecename = Piece.PieceNames.Knight;
break;
case "P":
piecename = Piece.PieceNames.Pawn;
break;
}
// Try to find the required piece in from the available pool of captured
// pieces that haven't been placed on the board yet.
Piece pieceToUse = null;
foreach (Piece pieceCaptured in player.OpposingPlayer.CapturedEnemyPieces)
{
if ((pieceCaptured.Name == piecename || (blnAllowPromotion && pieceCaptured.Name == Piece.PieceNames.Pawn)) &&
(pieceCaptured.StartLocation == Board.GetSquare(intFile, intRank) || blnAnyLocation))
{
pieceToUse = pieceCaptured;
break;
}
}
if (pieceToUse != null)
{
Square square = Board.GetSquare(intFile, intRank);
pieceToUse.Uncapture(0);
square.Piece = pieceToUse;
pieceToUse.Square = square;
pieceToUse.NoOfMoves = blnAnyLocation ? 1 : 0;
if (pieceToUse.Name != piecename)
{
pieceToUse.Promote(piecename);
}
// Mark the token in the original FEN string with a * to indicate that the piece has been processed
charToken = '.';
}
}
