+/* $NetBSD: rain.c,v 1.13 1999/08/08 02:06:01 simonb Exp $ */
+
/*
- * Copyright (c) 1980 Regents of the University of California.
- * All rights reserved.
+ * 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
* SUCH DAMAGE.
*/
+#include <sys/cdefs.h>
#ifndef lint
-char copyright[] =
-"@(#) Copyright (c) 1980 Regents of the University of California.\n\
- All rights reserved.\n";
+__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[] = "from: @(#)rain.c 5.6 (Berkeley) 2/28/91";*/
-static char rcsid[] = "$Id: rain.c,v 1.3 1993/12/08 08:18:22 mycroft Exp $";
+#if 0
+static char sccsid[] = "@(#)rain.c 8.1 (Berkeley) 5/31/93";
+#else
+__RCSID("$NetBSD: rain.c,v 1.13 1999/08/08 02:06:01 simonb Exp $");
+#endif
#endif /* not lint */
/*
*/
#include <sys/types.h>
-#include <stdio.h>
-#ifdef USG
-#include <termio.h>
-#else
-#include <sgtty.h>
-#endif
+#include <curses.h>
+#include <err.h>
#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
-#define cursor(c, r) tputs(tgoto(CM, c, r), 1, fputchar)
+volatile sig_atomic_t sig_caught = 0;
-#ifdef USG
-static struct termio sg, old_tty;
-#else
-static struct sgttyb sg, old_tty;
-#endif
+int main __P((int, char **));
+void onsig __P((int));
-static void fputchar();
-char *LL, *TE, *tgoto();
+int
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],
- *malloc(), *getenv(), *strcpy(), *tgetstr();
- long cols, lines, random();
+ int x, y, j;
+ long cols, lines;
+ unsigned int delay = 0;
+ int ch;
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);
+ while ((ch = getopt(argc, argv, "d:h")) != -1)
+ switch (ch) {
+ case 'd':
+ if ((delay = (unsigned int)strtoul(optarg, (char **)NULL, 10)) < 1
+ || delay > 1000)
+ errx(1, "invalid delay (1-1000)");
+ delay *= 1000; /* ms -> us */
+ break;
+ case 'h':
+ default:
+ (void)fprintf(stderr, "usage: rain [-d delay]\n");
exit(1);
}
- (void)strcpy(LL, tgoto(CM, 0, 23));
- }
-#ifdef USG
- ioctl(1, TCGETA, &sg);
- ospeed = sg.c_cflag&CBAUD;
-#else
- gtty(1, &sg);
- ospeed = sg.sg_ospeed;
-#endif
+
+ initscr();
+ cols = COLS - 4;
+ lines = LINES - 4;
+
(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;;) {
+ if (sig_caught) {
+ endwin();
+ exit(0);
+ }
x = random() % cols + 2;
y = random() % lines + 2;
- cursor(x, y);
- fputchar('.');
- cursor(xpos[j], ypos[j]);
- fputchar('o');
+ mvaddch(y, x, '.');
+ mvaddch(ypos[j], xpos[j], 'o');
if (!j--)
j = 4;
- cursor(xpos[j], ypos[j]);
- fputchar('O');
+ mvaddch(ypos[j], xpos[j], '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('-');
+ mvaddch(ypos[j] - 1, xpos[j], '-');
+ mvaddstr(ypos[j], xpos[j] - 1, "|.|");
+ mvaddch(ypos[j] + 1, xpos[j], '-');
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('-');
+ mvaddch(ypos[j] - 2, xpos[j], '-');
+ mvaddstr(ypos[j] - 1, xpos[j] - 1, "/ \\");
+ mvaddstr(ypos[j], xpos[j] - 2, "| O |");
+ mvaddstr(ypos[j] + 1, xpos[j] - 1, "\\ /");
+ mvaddch(ypos[j] + 2, xpos[j], '-');
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(' ');
+ mvaddch(ypos[j] - 2, xpos[j], ' ');
+ mvaddstr(ypos[j] - 1, xpos[j] - 1, " ");
+ mvaddstr(ypos[j], xpos[j] - 2, " ");
+ mvaddstr(ypos[j] + 1, xpos[j] - 1, " ");
+ mvaddch(ypos[j] + 2, xpos[j], ' ');
xpos[j] = x;
ypos[j] = y;
- (void)fflush(stdout);
+ refresh();
+ if (delay) usleep(delay);
}
}
-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);
-}
-
-static void
-fputchar(c)
- char c;
+void
+onsig(dummy)
+ int dummy __attribute__((__unused__));
{
- putchar(c);
+ sig_caught = 1;
}
git.ckatri.com / bsdgames-darwin.git / blobdiff