/* $OpenBSD: back.h,v 1.15 2015/12/26 00:26:39 mestre Exp $ */ /* * Copyright (c) 1980, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)back.h 8.1 (Berkeley) 5/31/93 */ #include <sys/types.h> #include <sys/uio.h> #include <curses.h> #include <fcntl.h> #include <signal.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <term.h> #include <unistd.h> #define rnum(r) arc4random_uniform(r) #define D0 dice[0] #define D1 dice[1] #define swap {D0 ^= D1; D1 ^= D0; D0 ^= D1; d0 = 1-d0;} #define CIN_SIZE 40 #ifdef DEBUG extern FILE *ftrace; #endif /* * * Some numerical conventions: * * Arrays have white's value in [0], red in [1]. * Numeric values which are one color or the other use * -1 for white, 1 for red. * Hence, white will be negative values, red positive one. * This makes a lot of sense since white is going in decending * order around the board, and red is ascending. * */ extern const char EXEC[]; /* object for main program */ extern const char TEACH[]; /* object for tutorial program */ extern int pnum; /* color of player: -1 = white 1 = red 0 = both 2 = not yet init'ed */ extern int aflag; /* flag to ask for rules or instructions */ extern int cflag; /* case conversion flag */ extern int hflag; /* flag for cleaning screen */ extern int mflag; /* backgammon flag */ extern int raflag; /* 'roll again' flag for recovered game */ extern int rflag; /* recovered game flag */ extern int dflag; /* disable doubling flag */ extern int rfl; /* saved value of rflag */ extern int iroll; /* special flag for inputting rolls */ extern int board[26]; /* board: negative values are white, positive are red */ extern int dice[2]; /* value of dice */ extern int mvlim; /* 'move limit': max. number of moves */ extern int mvl; /* working copy of mvlim */ extern int p[5]; /* starting position of moves */ extern int g[5]; /* ending position of moves (goals) */ extern int h[4]; /* flag for each move if a man was hit */ extern int cturn; /* whose turn it currently is: -1 = white 1 = red 0 = just quit -2 = white just lost 2 = red just lost */ extern int d0; /* flag if dice have been reversed from original position */ extern int table[6][6]; /* odds table for possible rolls */ extern int rscore; /* red's score */ extern int wscore; /* white's score */ extern int gvalue; /* value of game (64 max.) */ extern int dlast; /* who doubled last (0 = neither) */ extern int bar; /* position of bar for current player */ extern int home; /* position of home for current player */ extern int off[2]; /* number of men off board */ extern int *offptr; /* pointer to off for current player */ extern int *offopp; /* pointer to off for opponent */ extern int in[2]; /* number of men in inner table */ extern int *inptr; /* pointer to in for current player */ extern int *inopp; /* pointer to in for opponent */ extern int ncin; /* number of characters in cin */ extern char cin[CIN_SIZE]; /* input line of current move (used for reconstructing input after a backspace) */ extern const char *const color[]; /* colors as strings */ extern const char *const *colorptr; /* color of current player */ extern const char *const *Colorptr; /* color of current player, * capitalized */ extern int colen; /* length of color of current player */ extern int begscr; /* 'beginning' of screen (not including board) */ int addbuf(int); void backone(int); void bsect(int, int, int, int); int canhit(int, int); int checkd(int); int checkmove(int); int count(void); int dotable(char, int); void errexit(const char *); void fboard(void); void fixcol(int, int, int, int, int); void fixpos(int, int, int, int, int); void getarg(int, char **); void getmove(void); __dead void getout(int); /* function to exit backgammon cleanly */ void gwrite(void); void init(void); void initcurses(void); int last(void); int makmove(int); int movallow(void); void movback(int); void moveplayers(void); void moverr(int); int movokay(int); void nexturn(void); void norec(const char *); void odds(int, int, int); void proll(void); int quit(void); int readc(void); void recover(const char *); void roll(void); int rsetbrd(void); void save(int); int text(const char *const *); void wrboard(void); void wrhit(int); void wrscore(void); int yorn(char);
