/// <summary>
/// Generates the move.
/// </summary>
/// <param name="board">The board</param>
/// <param name="from">The starting square</param>
/// <param name="to">The ending square</param>
/// <returns></returns>
internal override Move GenerateMove(Board board, int from, int to)
{
Move move;
// if it's a castling move
// CanCastleLong already verifies if the king will
// end in check so we don't have to verify it again
if (CanCastleLong(board, from, to))
{
move = new CastlingMove(board.Status, Board.E8, Board.C8, new Move(board.Status, Board.A8, Board.D8));
move.ChangeSideToMove(); // change side to move
move.MakeBlackLongCastlingUnavail(); // reset castling availability
move.MakeBlackShortCastlingUnavail(); // reset castling availability
move.SetEnPassantTarget(null); // reset en passant target
move.IncrementPly(); // increment the ply
move.IncrementMoves(); // the number of moves is incremented after Black moves
return(move);
}
// if it's a castling move
// CanCastleShort already verifies if the king will
// end in check so we don't have to verify it again
if (CanCastleShort(board, from, to))
{
move = new CastlingMove(board.Status, Board.E8, Board.G8, new Move(board.Status, Board.H8, Board.F8));
move.ChangeSideToMove(); // change side to move
move.MakeBlackLongCastlingUnavail(); // reset castling availability
move.MakeBlackShortCastlingUnavail(); // reset castling availability
move.SetEnPassantTarget(null); // reset en passant target
move.IncrementPly(); // increment the ply
move.IncrementMoves(); // the number of moves is incremented after Black moves
return(move);
}
// if it's a regular move
// just reset castling availability
move = base.GenerateMove(board, from, to);
if (move != null)
{
move.MakeBlackLongCastlingUnavail();
move.MakeBlackShortCastlingUnavail();
return(move);
}
else
{
return(null);
}
}
/// <summary>
/// Generates the move.
/// </summary>
/// <param name="board">The board</param>
/// <param name="from">The starting square</param>
/// <param name="to">The ending square</param>
/// <returns></returns>
internal override Move GenerateMove(Board board, int from, int to)
{
Move move;
// if it's a castling move
// CanCastleLong already verifies if the king will
// end in check so we don't have to verify it again
if (CanCastleLong(board, from, to))
{
move = new CastlingMove(board.Status, Board.E1, Board.C1, new Move(board.Status, Board.A1, Board.D1));
move.ChangeSideToMove();// change side to move
move.MakeWhiteLongCastlingUnavail();// reset castling availability
move.MakeWhiteShortCastlingUnavail();// reset castling availability
move.SetEnPassantTarget(null);// reset en passant target
move.IncrementPly();// increment the ply
return move;
}
// if it's a castling move
// CanCastleShort already verifies if the king will
// end in check so we don't have to verify it again
if (CanCastleShort(board, from, to))
{
move = new CastlingMove(board.Status, Board.E1, Board.G1, new Move(board.Status, Board.H1, Board.F1));
move.ChangeSideToMove();// change side to move
move.MakeWhiteLongCastlingUnavail();// reset castling availability
move.MakeWhiteShortCastlingUnavail();// reset castling availability
move.SetEnPassantTarget(null);// reset en passant target
move.IncrementPly();// increment the ply
return move;
}
// if it's a regular move
// just reset castling availability
move = base.GenerateMove(board, from, to);
if (move != null)
{
move.MakeWhiteLongCastlingUnavail();
move.MakeWhiteShortCastlingUnavail();
return move;
}
else
{
return null;
}
}