Clean this up a little, and use TOCGWINSW.

This commit is contained in:
mycroft 1994-04-05 00:21:20 +00:00
parent a02a395d9f
commit 3719ae5272

View File

@ -39,7 +39,7 @@ char copyright[] =
#ifndef lint
/*static char sccsid[] = "from: @(#)worms.c 5.9 (Berkeley) 2/28/91";*/
static char rcsid[] = "$Id: worms.c,v 1.3 1993/08/01 18:49:26 mycroft Exp $";
static char rcsid[] = "$Id: worms.c,v 1.4 1994/04/05 00:21:20 mycroft Exp $";
#endif /* not lint */
/*
@ -62,12 +62,9 @@ static char rcsid[] = "$Id: worms.c,v 1.3 1993/08/01 18:49:26 mycroft Exp $";
#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#ifdef USG
#include <termio.h>
#else
#include <sgtty.h>
#endif
#include <termios.h>
#include <signal.h>
#include <sys/ioctl.h>
static struct options {
int nopts;
@ -163,10 +160,9 @@ static struct options {
{ 0, { 0, 0, 0 } }
};
#define cursor(c, r) tputs(tgoto(CM, c, r), 1, fputchar)
#define cursor(c, r) tputs(tgoto(CM, c, r), 1, putchar)
char *tcp;
int fputchar();
static char flavor[] = {
'O', '*', '#', '$', '%', '0', '@', '~'
@ -188,7 +184,6 @@ main(argc, argv)
char **argv;
{
extern int optind;
extern short ospeed;
extern char *optarg, *UP;
register int x, y, h, n;
register struct worm *w;
@ -201,10 +196,9 @@ main(argc, argv)
char *AL, *BC, *CM, *EI, *HO, *IC, *IM, *IP, *SR;
char *field, tcb[100], *mp;
long random();
#ifdef USG
struct termio sg;
#else
struct sgttyb sg;
struct termios ti;
#ifdef TIOCGWINSZ
struct winsize ws;
#endif
length = 16;
@ -261,27 +255,30 @@ main(argc, argv)
}
AL = tgetstr("al", &tcp);
BC = tgetflag("bs") ? "\b" : tgetstr("bc", &tcp);
if ((CO = tgetnum("co")) <= 0)
CO = 80;
last = CO - 1;
EI = tgetstr("ei", &tcp);
HO = tgetstr("ho", &tcp);
IC = tgetstr("ic", &tcp);
IM = tgetstr("im", &tcp);
IN = tgetflag("in");
IP = tgetstr("ip", &tcp);
if ((LI = tgetnum("li")) <= 0)
LI = 24;
bottom = LI - 1;
SR = tgetstr("sr", &tcp);
UP = tgetstr("up", &tcp);
#ifdef USG
ioctl(1, TCGETA, &sg);
ospeed = sg.c_cflag&CBAUD;
#else
gtty(1, &sg);
ospeed = sg.sg_ospeed;
#ifdef TIOCGWINSZ
if (ioctl(fileno(stdout), TIOCGWINSZ, &ws) != -1 &&
ws.ws_col && ws.ws_row) {
CO = ws.ws_col;
LI = ws.ws_row;
} else
#endif
{
if ((CO = tgetnum("co")) <= 0)
CO = 80;
if ((LI = tgetnum("li")) <= 0)
LI = 24;
}
last = CO - 1;
bottom = LI - 1;
tcgetattr(fileno(stdout), &ti);
Wrap = tgetflag("am");
if (!(ip = (short *)malloc((u_int)(LI * CO * sizeof(short)))))
nomem();
@ -316,67 +313,67 @@ main(argc, argv)
(void)signal(SIGTSTP, onsig);
(void)signal(SIGTERM, onsig);
tputs(tgetstr("ti", &tcp), 1, fputchar);
tputs(tgetstr("cl", &tcp), 1, fputchar);
tputs(tgetstr("ti", &tcp), 1, putchar);
tputs(tgetstr("cl", &tcp), 1, putchar);
if (field) {
register char *p = field;
for (y = bottom; --y >= 0;) {
for (x = CO; --x >= 0;) {
fputchar(*p++);
putchar(*p++);
if (!*p)
p = field;
}
if (!Wrap)
fputchar('\n');
putchar('\n');
(void)fflush(stdout);
}
if (Wrap) {
if (IM && !IN) {
for (x = last; --x > 0;) {
fputchar(*p++);
putchar(*p++);
if (!*p)
p = field;
}
y = *p++;
if (!*p)
p = field;
fputchar(*p);
putchar(*p);
if (BC)
tputs(BC, 1, fputchar);
tputs(BC, 1, putchar);
else
cursor(last - 1, bottom);
tputs(IM, 1, fputchar);
tputs(IM, 1, putchar);
if (IC)
tputs(IC, 1, fputchar);
fputchar(y);
tputs(IC, 1, putchar);
putchar(y);
if (IP)
tputs(IP, 1, fputchar);
tputs(EI, 1, fputchar);
tputs(IP, 1, putchar);
tputs(EI, 1, putchar);
}
else if (SR || AL) {
if (HO)
tputs(HO, 1, fputchar);
tputs(HO, 1, putchar);
else
cursor(0, 0);
if (SR)
tputs(SR, 1, fputchar);
tputs(SR, 1, putchar);
else
tputs(AL, LI, fputchar);
tputs(AL, LI, putchar);
for (x = CO; --x >= 0;) {
fputchar(*p++);
putchar(*p++);
if (!*p)
p = field;
}
}
else for (x = last; --x >= 0;) {
fputchar(*p++);
putchar(*p++);
if (!*p)
p = field;
}
}
else for (x = CO; --x >= 0;) {
fputchar(*p++);
putchar(*p++);
if (!*p)
p = field;
}
@ -387,7 +384,7 @@ main(argc, argv)
if ((x = w->xpos[h = w->head]) < 0) {
cursor(x = w->xpos[h] = 0,
y = w->ypos[h] = bottom);
fputchar(flavor[n % sizeof(flavor)]);
putchar(flavor[n % sizeof(flavor)]);
ref[y][x]++;
}
else
@ -402,7 +399,7 @@ main(argc, argv)
if (--ref[y1][x1] == 0) {
cursor(x1, y1);
if (trail)
fputchar(trail);
putchar(trail);
}
}
op = &(!x ? (!y ? upleft : (y == bottom ? lowleft : left)) : (x == last ? (!y ? upright : (y == bottom ? lowright : right)) : (!y ? upper : (y == bottom ? lower : normal))))[w->orientation];
@ -421,7 +418,7 @@ main(argc, argv)
cursor(x += xinc[w->orientation],
y += yinc[w->orientation]);
if (!Wrap || x != last || y != bottom)
fputchar(flavor[n % sizeof(flavor)]);
putchar(flavor[n % sizeof(flavor)]);
ref[w->ypos[h] = y][w->xpos[h] = x]++;
}
}
@ -430,17 +427,11 @@ main(argc, argv)
void
onsig()
{
tputs(tgetstr("cl", &tcp), 1, fputchar);
tputs(tgetstr("te", &tcp), 1, fputchar);
tputs(tgetstr("cl", &tcp), 1, putchar);
tputs(tgetstr("te", &tcp), 1, putchar);
exit(0);
}
fputchar(c)
char c;
{
putchar(c);
}
nomem()
{
(void)fprintf(stderr, "worms: not enough memory.\n");