diff options
Diffstat (limited to 'chesshelpers.c')
| -rw-r--r-- | chesshelpers.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/chesshelpers.c b/chesshelpers.c index d0464fb..2e046c9 100644 --- a/chesshelpers.c +++ b/chesshelpers.c @@ -23,6 +23,13 @@ board_t make_move(board_t board, vector_t origin, vector_t end) { if(piece == king) { board.whiteCanCastleQueenside = 0; board.whiteCanCastleKingside = 0; + //if the king moved farther than it normally could, move must have been castling. move the rook as well + if(origin.mx == 4 && end.mx == 6) { + board = make_move(board, init_vector(7, 7), init_vector(5, 7)); + } + else if(origin.mx == 4 && end.mx == 2) { + board = make_move(board, init_vector(0, 7), init_vector(3, 7)); + } } //white kingside rook moved else if(origin.mx == 7 && origin.my == 7) { @@ -36,6 +43,13 @@ board_t make_move(board_t board, vector_t origin, vector_t end) { else if(piece == king + 6) { board.blackCanCastleQueenside = 0; board.blackCanCastleKingside = 0; + //if the king moved farther than it normally could, move must have been castling. move the rook as well + if(origin.mx == 4 && end.mx == 6) { + board = make_move(board, init_vector(7, 0), init_vector(5, 0)); + } + else if(origin.mx == 4 && end.mx == 2) { + board = make_move(board, init_vector(0, 0), init_vector(3, 0)); + } } //black kingside rook moved else if(origin.mx == 7 && origin.my == 0) { |