186 lines
6.6 KiB
C
186 lines
6.6 KiB
C
/* $NetBSD: back.h,v 1.13 2003/08/07 09:36:56 agc 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 <fcntl.h>
|
|
#include <signal.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <termios.h>
|
|
#include <termcap.h>
|
|
#include <unistd.h>
|
|
|
|
#define rnum(r) (random()%r)
|
|
#define D0 dice[0]
|
|
#define D1 dice[1]
|
|
#define swap {D0 ^= D1; D1 ^= D0; D0 ^= D1; d0 = 1-d0;}
|
|
|
|
/*
|
|
*
|
|
* 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 char args[100]; /* args passed to teachgammon and back */
|
|
extern int acnt; /* length of args */
|
|
extern int aflag; /* flag to ask for rules or instructions */
|
|
extern int bflag; /* flag for automatic board printing */
|
|
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 tflag; /* cursor addressing 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 quitted
|
|
-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[100]; /* 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 struct termios old, noech, raw;/* original tty status */
|
|
|
|
extern int curr; /* row position of cursor */
|
|
extern int curc; /* column position of cursor */
|
|
extern int begscr; /* 'beginning' of screen
|
|
(not including board) */
|
|
|
|
int addbuf __P((int));
|
|
void backone __P((int));
|
|
void bsect __P((int, int, int, int));
|
|
void buflush __P((void));
|
|
int canhit __P((int, int));
|
|
int checkd __P((int));
|
|
int checkmove __P((int));
|
|
void clear __P((void));
|
|
void clend __P((void));
|
|
void cline __P((void));
|
|
int count __P((void));
|
|
void curmove __P((int, int));
|
|
int dotable __P((char, int));
|
|
void errexit __P((const char *)) __attribute__((__noreturn__));
|
|
void fancyc __P((int));
|
|
void fboard __P((void));
|
|
void fixcol __P((int, int, int, int, int));
|
|
void fixpos __P((int, int, int, int, int));
|
|
void fixtty __P((struct termios *));
|
|
void getarg __P((char ***));
|
|
int getcaps __P((const char *));
|
|
void getmove __P((void));
|
|
void getout __P((int)) __attribute__((__noreturn__));
|
|
void gwrite __P((void));
|
|
void init __P((void));
|
|
int last __P((void));
|
|
int main __P((int, char *[]));
|
|
int makmove __P((int));
|
|
int movallow __P((void));
|
|
void movback __P((int));
|
|
void moverr __P((int));
|
|
int movokay __P((int));
|
|
void newline __P((void));
|
|
void newpos __P((void));
|
|
void nexturn __P((void));
|
|
void norec __P((const char *)) __attribute__((__noreturn__));
|
|
void odds __P((int, int, int));
|
|
void proll __P((void));
|
|
int quit __P((void));
|
|
int readc __P((void));
|
|
void recover __P((const char *));
|
|
void refresh __P((void));
|
|
void roll __P((void));
|
|
int rsetbrd __P((void));
|
|
void save __P((int));
|
|
int text __P((const char *const *));
|
|
void wrboard __P((void));
|
|
void wrbsub __P((void));
|
|
void wrhit __P((int));
|
|
void wrint __P((int));
|
|
void writec __P((char));
|
|
void writel __P((const char *));
|
|
void wrscore __P((void));
|
|
int yorn __P((char));
|