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comparison: src/chess/game-info.h

src/chess/game-info.h

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1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 2016 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 */
29
30 #ifndef GAME_INFO_H
31 #define GAME_INFO_H
32
33 #include <stdint.h>
34
35 #define WHITE 0x10
36 #define BLACK 0x20
37 #define opponent_color(color) ((color)==WHITE?BLACK:WHITE)
38
39 #define PIECE_MASK 0x0F
40 #define COLOR_MASK 0x30
41
42 #define PAWN 0x01
43 #define ROOK 0x02
44 #define KNIGHT 0x03
45 #define BISHOP 0x04
46 #define QUEEN 0x05
47 #define KING 0x06
48
49 #define WPAWN (WHITE|PAWN)
50 #define WROOK (WHITE|ROOK)
51 #define WKNIGHT (WHITE|KNIGHT)
52 #define WBISHOP (WHITE|BISHOP)
53 #define WQUEEN (WHITE|QUEEN)
54 #define WKING (WHITE|KING)
55 #define BPAWN (BLACK|PAWN)
56 #define BROOK (BLACK|ROOK)
57 #define BKNIGHT (BLACK|KNIGHT)
58 #define BBISHOP (BLACK|BISHOP)
59 #define BQUEEN (BLACK|QUEEN)
60 #define BKING (BLACK|KING)
61
62 typedef uint8_t Board[8][8];
63
64 struct movetimeval {
65 uint64_t tv_sec;
66 int32_t tv_usec;
67 };
68
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 uint8_t check;
77 uint8_t capture;
78 struct movetimeval timestamp;
79 struct movetimeval movetime;
80 char string[8];
81 } Move;
82
83 typedef struct MoveList MoveList;
84
85 struct MoveList {
86 Move move;
87 MoveList* next;
88 };
89
90 typedef struct {
91 uint8_t servercolor;
92 uint8_t timecontrol;
93 uint16_t time;
94 uint16_t addtime;
95 } GameInfo;
96
97 typedef struct {
98 Board board;
99 MoveList* movelist;
100 MoveList* lastmove;
101 unsigned int movecount; /* number of (half-)moves (counting BOTH colors) */
102 _Bool checkmate;
103 _Bool stalemate;
104 _Bool remis;
105 _Bool resign;
106 } GameState;
107
108
109 #define is_game_running(gamestate) !((gamestate)->checkmate || \
110 (gamestate)->resign || (gamestate)->stalemate || (gamestate)->remis)
111
112 /**
113 * Initializes a game state and prepares the chess board.
114 * @param gamestate the game state to initialize
115 */
116 void gamestate_init(GameState *gamestate);
117
118 /**
119 * Cleans up a game state and frees the memory for the movement list.
120 * @param gamestate the game state to clean up
121 */
122 void gamestate_cleanup(GameState *gamestate);
123
124 #endif

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