249 lines
6.1 KiB
C
249 lines
6.1 KiB
C
/*
|
|
* 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. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. 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.
|
|
*/
|
|
|
|
#ifndef lint
|
|
static char copyright[] =
|
|
"@(#) Copyright (c) 1980, 1993\n\
|
|
The Regents of the University of California. All rights reserved.\n";
|
|
#endif /* not lint */
|
|
|
|
#ifndef lint
|
|
static char sccsid[] = "@(#)rain.c 8.1 (Berkeley) 5/31/93";
|
|
#endif /* not lint */
|
|
|
|
/*
|
|
* rain 11/3/1980 EPS/CITHEP
|
|
* cc rain.c -o rain -O -ltermlib
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
#include <stdio.h>
|
|
#ifdef USG
|
|
#include <termio.h>
|
|
#else
|
|
#include <sgtty.h>
|
|
#endif
|
|
#include <signal.h>
|
|
#include <termcap.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#define cursor(c, r) tputs(tgoto(CM, c, r), 1, fputchar)
|
|
|
|
#ifdef USG
|
|
static struct termio sg, old_tty;
|
|
#else
|
|
static struct sgttyb sg, old_tty;
|
|
#endif
|
|
|
|
int fputchar();
|
|
char *LL, *TE;
|
|
|
|
main(argc, argv)
|
|
int argc;
|
|
char **argv;
|
|
{
|
|
extern short ospeed;
|
|
extern char *UP;
|
|
register int x, y, j;
|
|
register char *CM, *BC, *DN, *ND, *term;
|
|
char *TI, *tcp, *mp, tcb[100];
|
|
long cols, lines;
|
|
int xpos[5], ypos[5];
|
|
static void onsig();
|
|
|
|
if (!(term = getenv("TERM"))) {
|
|
fprintf(stderr, "%s: TERM: parameter not set\n", *argv);
|
|
exit(1);
|
|
}
|
|
if (!(mp = malloc((u_int)1024))) {
|
|
fprintf(stderr, "%s: out of space.\n", *argv);
|
|
exit(1);
|
|
}
|
|
if (tgetent(mp, term) <= 0) {
|
|
fprintf(stderr, "%s: %s: unknown terminal type\n", *argv, term);
|
|
exit(1);
|
|
}
|
|
tcp = tcb;
|
|
if (!(CM = tgetstr("cm", &tcp))) {
|
|
fprintf(stderr, "%s: terminal not capable of cursor motion\n", *argv);
|
|
exit(1);
|
|
}
|
|
if (!(BC = tgetstr("bc", &tcp)))
|
|
BC = "\b";
|
|
if (!(DN = tgetstr("dn", &tcp)))
|
|
DN = "\n";
|
|
if (!(ND = tgetstr("nd", &tcp)))
|
|
ND = " ";
|
|
if ((cols = tgetnum("co")) == -1)
|
|
cols = 80;
|
|
if ((lines = tgetnum("li")) == -1)
|
|
lines = 24;
|
|
cols -= 4;
|
|
lines -= 4;
|
|
TE = tgetstr("te", &tcp);
|
|
TI = tgetstr("ti", &tcp);
|
|
UP = tgetstr("up", &tcp);
|
|
if (!(LL = tgetstr("ll", &tcp))) {
|
|
if (!(LL = malloc((u_int)10))) {
|
|
fprintf(stderr, "%s: out of space.\n", *argv);
|
|
exit(1);
|
|
}
|
|
(void)strcpy(LL, tgoto(CM, 0, 23));
|
|
}
|
|
srandomdev();
|
|
#ifdef USG
|
|
ioctl(1, TCGETA, &sg);
|
|
ospeed = sg.c_cflag&CBAUD;
|
|
#else
|
|
gtty(1, &sg);
|
|
ospeed = sg.sg_ospeed;
|
|
#endif
|
|
(void)signal(SIGHUP, onsig);
|
|
(void)signal(SIGINT, onsig);
|
|
(void)signal(SIGQUIT, onsig);
|
|
(void)signal(SIGSTOP, onsig);
|
|
(void)signal(SIGTSTP, onsig);
|
|
(void)signal(SIGTERM, onsig);
|
|
#ifdef USG
|
|
ioctl(1, TCGETA, &old_tty); /* save tty bits for exit */
|
|
ioctl(1, TCGETA, &sg);
|
|
sg.c_iflag &= ~ICRNL;
|
|
sg.c_oflag &= ~ONLCR;
|
|
sg.c_lflag &= ~ECHO;
|
|
ioctl(1, TCSETAW, &sg);
|
|
#else
|
|
gtty(1, &old_tty); /* save tty bits for exit */
|
|
gtty(1, &sg);
|
|
sg.sg_flags &= ~(CRMOD|ECHO);
|
|
stty(1, &sg);
|
|
#endif
|
|
if (TI)
|
|
tputs(TI, 1, fputchar);
|
|
tputs(tgetstr("cl", &tcp), 1, fputchar);
|
|
(void)fflush(stdout);
|
|
for (j = 4; j >= 0; --j) {
|
|
xpos[j] = random() % cols + 2;
|
|
ypos[j] = random() % lines + 2;
|
|
}
|
|
for (j = 0;;) {
|
|
x = random() % cols + 2;
|
|
y = random() % lines + 2;
|
|
cursor(x, y);
|
|
fputchar('.');
|
|
cursor(xpos[j], ypos[j]);
|
|
fputchar('o');
|
|
if (!j--)
|
|
j = 4;
|
|
cursor(xpos[j], ypos[j]);
|
|
fputchar('O');
|
|
if (!j--)
|
|
j = 4;
|
|
cursor(xpos[j], ypos[j] - 1);
|
|
fputchar('-');
|
|
tputs(DN, 1, fputchar);
|
|
tputs(BC, 1, fputchar);
|
|
tputs(BC, 1, fputchar);
|
|
fputs("|.|", stdout);
|
|
tputs(DN, 1, fputchar);
|
|
tputs(BC, 1, fputchar);
|
|
tputs(BC, 1, fputchar);
|
|
fputchar('-');
|
|
if (!j--)
|
|
j = 4;
|
|
cursor(xpos[j], ypos[j] - 2);
|
|
fputchar('-');
|
|
tputs(DN, 1, fputchar);
|
|
tputs(BC, 1, fputchar);
|
|
tputs(BC, 1, fputchar);
|
|
fputs("/ \\", stdout);
|
|
cursor(xpos[j] - 2, ypos[j]);
|
|
fputs("| O |", stdout);
|
|
cursor(xpos[j] - 1, ypos[j] + 1);
|
|
fputs("\\ /", stdout);
|
|
tputs(DN, 1, fputchar);
|
|
tputs(BC, 1, fputchar);
|
|
tputs(BC, 1, fputchar);
|
|
fputchar('-');
|
|
if (!j--)
|
|
j = 4;
|
|
cursor(xpos[j], ypos[j] - 2);
|
|
fputchar(' ');
|
|
tputs(DN, 1, fputchar);
|
|
tputs(BC, 1, fputchar);
|
|
tputs(BC, 1, fputchar);
|
|
fputchar(' ');
|
|
tputs(ND, 1, fputchar);
|
|
fputchar(' ');
|
|
cursor(xpos[j] - 2, ypos[j]);
|
|
fputchar(' ');
|
|
tputs(ND, 1, fputchar);
|
|
fputchar(' ');
|
|
tputs(ND, 1, fputchar);
|
|
fputchar(' ');
|
|
cursor(xpos[j] - 1, ypos[j] + 1);
|
|
fputchar(' ');
|
|
tputs(ND, 1, fputchar);
|
|
fputchar(' ');
|
|
tputs(DN, 1, fputchar);
|
|
tputs(BC, 1, fputchar);
|
|
tputs(BC, 1, fputchar);
|
|
fputchar(' ');
|
|
xpos[j] = x;
|
|
ypos[j] = y;
|
|
(void)fflush(stdout);
|
|
}
|
|
}
|
|
|
|
static void
|
|
onsig()
|
|
{
|
|
tputs(LL, 1, fputchar);
|
|
if (TE)
|
|
tputs(TE, 1, fputchar);
|
|
(void)fflush(stdout);
|
|
#ifdef USG
|
|
ioctl(1, TCSETAW, &old_tty);
|
|
#else
|
|
stty(1, &old_tty);
|
|
#endif
|
|
exit(0);
|
|
}
|
|
|
|
int
|
|
fputchar(c)
|
|
int c;
|
|
{
|
|
putchar(c);
|
|
}
|