terminal-chess: src/game.h@6008840b859e

     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 #ifndef GAME_H

    31 #define	GAME_H

    33 #include "terminal-chess.h"

    34 #include <stdint.h>

    36 #ifdef	__cplusplus

    37 extern "C" {

    38 #endif

    40 #define PIECE_MASK       0x0F

    41 #define COLOR_MASK       0x30

    42 #define ENPASSANT_THREAT 0x40

    44 #define WHITE 0x10

    45 #define BLACK 0x20

    47 #define PAWN   0x01

    48 #define ROOK   0x02

    49 #define KNIGHT 0x03

    50 #define BISHOP 0x04

    51 #define QUEEN  0x05

    52 #define KING   0x06

    54 #define WPAWN   (WHITE|PAWN)

    55 #define WROOK   (WHITE|ROOK)

    56 #define WKNIGHT (WHITE|KNIGHT)

    57 #define WBISHOP (WHITE|BISHOP)

    58 #define WQUEEN  (WHITE|QUEEN)

    59 #define WKING   (WHITE|KING)

    60 #define BPAWN   (BLACK|PAWN)

    61 #define BROOK   (BLACK|ROOK)

    62 #define BKNIGHT (BLACK|KNIGHT)

    63 #define BBISHOP (BLACK|BISHOP)

    64 #define BQUEEN  (BLACK|QUEEN)

    65 #define BKING   (BLACK|KING)

    67 typedef uint8_t Board[8][8];

    69 typedef struct {

    70     uint8_t piece;

    71     uint8_t fromfile;

    72     uint8_t fromrow;

    73     uint8_t tofile;

    74     uint8_t torow;

    75     uint8_t promotion;

    76     _Bool check;

    77     _Bool checkmate;

    78     _Bool capture;

    79 } Move;

    81 typedef struct MoveList MoveList;

    82 typedef struct MoveListRoot MoveListRoot;

    84 struct MoveListRoot {

    85     MoveList* first;

    86     MoveList* last;

    87 };

    89 struct MoveList {

    90     Move move;

    91     MoveList* next;

    92 };

    94 #define POS_UNSPECIFIED UINT8_MAX

    95 #define mdst(b,m) b[(m)->torow][(m)->tofile]

    96 #define msrc(b,m) b[(m)->fromrow][(m)->fromfile]

    98 #define isidx(idx) ((uint8_t)idx < 8)

   100 #define isfile(file) (file >= 'a' && file <= 'h')

   101 #define isrow(row) (row >= '1' && row <= '8')

   103 #define rowidx(row) (row-'1')

   104 #define fileidx(file) (file-'a')

   106 #define rowchr(row) (row+'1')

   107 #define filechr(file) (file+'a')

   109 #define chkidx(move) (isidx((move)->fromfile) && isidx((move)->fromrow) && \

   110         isidx((move)->tofile) && isidx((move)->torow))

   112 /* secure versions - use, if index is not checked with isidx() */

   113 #define fileidx_s(c) (isfile(c)?fileidx(c):POS_UNSPECIFIED)

   114 #define rowidx_s(c) (isrow(c)?rowidx(c):POS_UNSPECIFIED)

   116 void game_start(Settings *settings, int opponent);

   118 void freemovelist(MoveListRoot* list);

   119 void addmove(MoveListRoot *movelist, Move *move);

   121 #ifdef	__cplusplus

   122 }

   123 #endif

   125 #endif	/* GAME_H */

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