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Diffstat (limited to 'FICS/board.h')
| -rw-r--r-- | FICS/board.h | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/FICS/board.h b/FICS/board.h new file mode 100644 index 0000000..cc283ad --- /dev/null +++ b/FICS/board.h @@ -0,0 +1,158 @@ +/* board.h + * + */ + +/* + fics - An internet chess server. + Copyright (C) 1993 Richard V. Nash + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. +*/ + +/* Revision history: + name email yy/mm/dd Change + Richard Nash 93/10/22 Created + Markus Uhlin 23/12/24 Revised +*/ + +#ifndef _BOARD_H +#define _BOARD_H + +#define WHITE 0x00 +#define BLACK 0x80 + +#define CString(c) (((c) == WHITE) ? "White" : "Black") +#define CToggle(c) (((c) == BLACK) ? WHITE : BLACK) + +/* + * These are indexes into an array so their values are not arbitrary. + */ +#define NOPIECE 0x00 +#define PAWN 0x01 +#define KNIGHT 0x02 +#define BISHOP 0x03 +#define ROOK 0x04 +#define QUEEN 0x05 +#define KING 0x06 + +#define MAX_BOARD_STRING_LEGTH 1280 /* Arbitrarily 80 * 16 */ +#define MAX_STYLES 13 + +#define MoveToHalfMove(gs) \ + ((((gs)->moveNum - 1) * 2) + (((gs)->onMove == WHITE) ? 0 : 1)) + +#define W_PAWN (PAWN | WHITE) +#define W_KNIGHT (KNIGHT | WHITE) +#define W_BISHOP (BISHOP | WHITE) +#define W_ROOK (ROOK | WHITE) +#define W_QUEEN (QUEEN | WHITE) +#define W_KING (KING | WHITE) + +#define B_PAWN (PAWN | BLACK) +#define B_KNIGHT (KNIGHT | BLACK) +#define B_BISHOP (BISHOP | BLACK) +#define B_ROOK (ROOK | BLACK) +#define B_QUEEN (QUEEN | BLACK) +#define B_KING (KING | BLACK) + +#define isblack(p) ((p) & BLACK) +#define iswhite(p) (!isblack(p)) +#define iscolor(p, color) (((p) & BLACK) == (color)) + +#define colorval(p) ((p) & 0x80) +#define piecetype(p) ((p) & 0x7f) +#define square_color(r, f) ((((r) + (f)) & 0x01) ? BLACK : WHITE) + +/* Treated as [file][rank] */ +typedef int board_t[8][8]; + +typedef struct _game_state_t { + board_t board; + + /* + * For bughouse + */ + int holding[2][5]; + + /* + * For castling + */ + unsigned char wkmoved, wqrmoved, wkrmoved; + unsigned char bkmoved, bqrmoved, bkrmoved; + + /* + * For ep + */ + int ep_possible[2][8]; + + /* + * For draws + */ + int lastIrreversable; + int onMove; + int moveNum; + + int gameNum; +} game_state_t; + +/* + * If a drop move, then 'fromFile' is ALG_DROP and 'fromRank' is + * piece. + */ +#define ALG_DROP -2 + +typedef struct _move_t { + int color; + int fromFile, fromRank; + int toFile, toRank; + int pieceCaptured; + int piecePromotionTo; + int enPassant; // 0 = No, 1 = Higher, -1 = Lower + int doublePawn; // Only used for board display + + char moveString[8]; + char algString[8]; + + unsigned char FENpos[74]; + unsigned int atTime; + unsigned int tookTime; +} move_t; + +extern char *wpstring[]; +extern char *bpstring[]; + +extern int pieceValues[7]; + +extern int style1(game_state_t *, move_t *); +extern int style2(game_state_t *, move_t *); +extern int style3(game_state_t *, move_t *); +extern int style4(game_state_t *, move_t *); +extern int style5(game_state_t *, move_t *); +extern int style6(game_state_t *, move_t *); +extern int style7(game_state_t *, move_t *); +extern int style8(game_state_t *, move_t *); +extern int style9(game_state_t *, move_t *); +extern int style10(game_state_t *, move_t *); +extern int style11(game_state_t *, move_t *); +extern int style12(game_state_t *, move_t *); +extern int style13(game_state_t *, move_t *); + +extern char *board_to_string(char *, char *, int, int, game_state_t *, + move_t *, int, int, int, int); +extern char *move_and_time(move_t *); +extern int board_init(game_state_t *, char *, char *); +extern int board_read_file(char *, char *, game_state_t *); +extern void board_calc_strength(game_state_t *, int *, int *); +extern void update_holding(int, int); +extern void wild_init(void); +extern void wild_update(int); + +#endif |