Sat, 29 Mar 2014 14:46:33 +0100
implemented bishop rules
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 _Bool check;
76 _Bool checkmate;
77 _Bool capture;
78 } Move;
80 #define POS_UNSPECIFIED UINT8_MAX
81 #define mdst(b,m) b[(m)->torow][(m)->tofile]
82 #define msrc(b,m) b[(m)->fromrow][(m)->fromfile]
84 #define isidx(idx) ((uint8_t)idx < 8)
86 #define isfile(file) (file >= 'a' && file <= 'h')
87 #define isrow(row) (row >= '1' && row <= '8')
89 #define rowidx(row) (row-'1')
90 #define fileidx(file) (file-'a')
92 #define chkidx(move) (isidx((move)->fromfile) && isidx((move)->fromrow) && \
93 isidx((move)->tofile) && isidx((move)->torow))
95 /* secure versions - use, if index is not checked with isidx() */
96 #define fileidx_s(c) (isfile(c)?fileidx(c):POS_UNSPECIFIED)
97 #define rowidx_s(c) (isrow(c)?rowidx(c):POS_UNSPECIFIED)
99 void game_start(Settings *settings, int opponent);
101 #ifdef __cplusplus
102 }
103 #endif
105 #endif /* GAME_H */