terminal-chess: src/chess/queen.c@4d030da07c88

     1 /*

     2  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

     3  *

     4  * Copyright 2014 Mike Becker. All rights reserved.

     5  *

     6  * Redistribution and use in source and binary forms, with or without

     7  * modification, are permitted provided that the following conditions are met:

     8  *

     9  *   1. Redistributions of source code must retain the above copyright

    10  *      notice, this list of conditions and the following disclaimer.

    11  *

    12  *   2. Redistributions in binary form must reproduce the above copyright

    13  *      notice, this list of conditions and the following disclaimer in the

    14  *      documentation and/or other materials provided with the distribution.

    15  *

    16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

    17  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

    18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

    19  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE

    20  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

    21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

    22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

    23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

    24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

    25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

    26  * POSSIBILITY OF SUCH DAMAGE.

    27  *

    28  */

    30 #include "rules.h"

    31 #include "rook.h"

    32 #include "bishop.h"

    33 #include "queen.h"

    35 _Bool queen_chkrules(Move* move) {

    36     return bishop_chkrules(move) || rook_chkrules(move);

    37 }

    39 _Bool queen_isblocked(GameState *gamestate, Move *move) {

    40     if (rook_chkrules(move)) {

    41         return rook_isblocked(gamestate, move);

    42     } else {

    43         return bishop_isblocked(gamestate, move);

    44     }

    45 }

    47 int queen_getlocation(GameState *gamestate, Move *move) {

    49     Move moveasrook = *move;

    50     int rookaspect = rook_getlocation(gamestate, &moveasrook);

    52     Move moveasbishop = *move;

    53     int bishopaspect = bishop_getlocation(gamestate, &moveasbishop);

    55     if (rookaspect == VALID_MOVE_SYNTAX && bishopaspect == VALID_MOVE_SYNTAX) {

    56         return AMBIGUOUS_MOVE;

    57     }

    59     if (rookaspect == VALID_MOVE_SYNTAX) {

    60         *move = moveasrook;

    61         return VALID_MOVE_SYNTAX;

    62     }

    64     if (bishopaspect == VALID_MOVE_SYNTAX) {

    65         *move = moveasbishop;

    66         return VALID_MOVE_SYNTAX;

    67     }

    69     return INVALID_POSITION;

    70 }

Mercurial > hg > terminal-chess / file revision