diff options
Diffstat (limited to 'boggle/boggle/timer.c')
| -rw-r--r-- | boggle/boggle/timer.c | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/boggle/boggle/timer.c b/boggle/boggle/timer.c new file mode 100644 index 0000000..dc4dc69 --- /dev/null +++ b/boggle/boggle/timer.c @@ -0,0 +1,119 @@ +/* $NetBSD: timer.c,v 1.10 2005/07/01 16:38:24 jmc Exp $ */ + +/*- + * Copyright (c) 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Barry Brachman. + * + * 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. + */ + +#include <sys/cdefs.h> +#ifndef lint +#if 0 +static char sccsid[] = "@(#)timer.c 8.2 (Berkeley) 2/22/94"; +#else +__RCSID("$NetBSD: timer.c,v 1.10 2005/07/01 16:38:24 jmc Exp $"); +#endif +#endif /* not lint */ + +#include <sys/param.h> +#include <sys/time.h> +#include <sys/poll.h> + +#include <curses.h> +#include <setjmp.h> +#include <string.h> +#include <stdio.h> +#include <unistd.h> + +#include "bog.h" +#include "extern.h" + +static int waitch(int); + +extern int tlimit; +extern time_t start_t; +extern jmp_buf env; + +/* + * Update the display of the remaining time while waiting for a character + * If time runs out do a longjmp() to the game controlling routine, returning + * non-zero; oth. return the character + * Leave the cursor where it was initially + */ +int +timerch(void) +{ + time_t prevt, t; + int col, remaining, row; + + getyx(stdscr, row, col); + prevt = 0L; + for (;;) { + if (waitch(1) == 1) + break; + time(&t); + if (t == prevt) + continue; + prevt = t; + remaining = tlimit - (int) (t - start_t); + if (remaining < 0) { + longjmp(env, 1); + /*NOTREACHED*/ + } + move(TIMER_LINE, TIMER_COL); + printw("%d:%02d", remaining / 60, remaining % 60); + move(row, col); + refresh(); + } + return (getch() & 0177); +} + +/* + * Wait up to 'delay' microseconds for input to appear + * Returns 1 if input is ready, 0 oth. + */ +static int +waitch(int tdelay) +{ + struct pollfd set[1]; + + set[0].fd = STDIN_FILENO; + set[0].events = POLLIN; + return (poll(set, 1, tdelay)); +} + +void +delay(int tenths) +{ + struct timespec duration; + + duration.tv_nsec = (tenths % 10 ) * 100000000L; + duration.tv_sec = (long) (tenths / 10); + nanosleep(&duration, NULL); +} |