NetBSD/games/robots/main.c

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/* $NetBSD: main.c,v 1.32 2009/08/12 08:30:55 dholland Exp $ */
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/*
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* Copyright (c) 1980, 1993
* The Regents of the University of California. All rights reserved.
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*
* 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
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* 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.
*/
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#include <sys/cdefs.h>
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#ifndef lint
__COPYRIGHT("@(#) Copyright (c) 1980, 1993\
The Regents of the University of California. All rights reserved.");
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#endif /* not lint */
#ifndef lint
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#if 0
static char sccsid[] = "@(#)main.c 8.1 (Berkeley) 5/31/93";
#else
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__RCSID("$NetBSD: main.c,v 1.32 2009/08/12 08:30:55 dholland Exp $");
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#endif
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#endif /* not lint */
#include <ctype.h>
#include <curses.h>
#include <err.h>
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
#include <stdlib.h>
#include <time.h>
#include <unistd.h>
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#include "robots.h"
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extern const char *Scorefile;
extern int Max_per_uid;
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static bool another(void);
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int
main(int argc, char **argv)
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{
const char *word;
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bool show_only;
int score_wfd; /* high score writable file descriptor */
int score_err = 0; /* hold errno from score file open */
int maximum = 0;
int ch, i;
score_wfd = open(Scorefile, O_RDWR);
if (score_wfd < 0)
score_err = errno;
else if (score_wfd < 3)
exit(1);
/* Revoke setgid privileges */
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setgid(getgid());
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show_only = false;
Num_games = 1;
while ((ch = getopt(argc, argv, "Aajnrst")) != -1) {
switch (ch) {
case 'A':
Auto_bot = true;
break;
case 'a':
Start_level = 4;
break;
case 'j':
Jump = true;
break;
case 'n':
Num_games++;
break;
case 'r':
Real_time = true;
break;
case 's':
show_only = true;
break;
case 't':
Teleport = true;
break;
default:
errx(1,
"Usage: robots [-Aajnrst] [maximum] [scorefile]");
break;
}
}
for (i = optind; i < argc; i++) {
word = argv[i];
if (isdigit((unsigned char)word[0])) {
maximum = atoi(word);
} else {
Scorefile = word;
Max_per_uid = maximum;
if (score_wfd >= 0)
close(score_wfd);
score_wfd = open(Scorefile, O_RDWR);
if (score_wfd < 0)
score_err = errno;
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#ifdef FANCY
word = strrchr(Scorefile, '/');
if (word == NULL)
word = Scorefile;
if (strcmp(word, "pattern_roll") == 0)
Pattern_roll = true;
else if (strcmp(word, "stand_still") == 0)
Stand_still = true;
if (Pattern_roll || Stand_still)
Teleport = true;
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#endif
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}
}
if (show_only) {
show_score();
exit(0);
/* NOTREACHED */
}
if (score_wfd < 0) {
errno = score_err;
warn("%s", Scorefile);
warnx("High scores will not be recorded!");
sleep(2);
}
if (!initscr())
errx(0, "couldn't initialize screen");
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signal(SIGINT, quit);
cbreak();
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noecho();
nonl();
if (LINES != Y_SIZE || COLS != X_SIZE) {
if (LINES < Y_SIZE || COLS < X_SIZE) {
endwin();
printf("Need at least a %dx%d screen\n",
Y_SIZE, X_SIZE);
exit(1);
}
delwin(stdscr);
stdscr = newwin(Y_SIZE, X_SIZE, 0, 0);
}
srandom(time(NULL));
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if (Real_time)
signal(SIGALRM, move_robots);
do {
while (Num_games--) {
init_field();
for (Level = Start_level; !Dead; Level++) {
make_level();
play_level();
if (Auto_bot)
sleep(1);
}
move(My_pos.y, My_pos.x);
printw("AARRrrgghhhh....");
refresh();
if (Auto_bot)
sleep(1);
score(score_wfd);
if (Auto_bot)
sleep(1);
refresh();
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}
Num_games = 1;
} while (!Auto_bot && another());
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quit(0);
/* NOTREACHED */
return(0);
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}
/*
* quit:
* Leave the program elegantly.
*/
void
quit(int dummy __unused)
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{
endwin();
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exit(0);
/* NOTREACHED */
}
/*
* another:
* See if another game is desired
*/
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static bool
another(void)
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{
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int y;
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#ifdef FANCY
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if ((Stand_still || Pattern_roll) && !Newscore)
return true;
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#endif
if (query("Another game?")) {
if (Full_clear) {
for (y = 1; y <= Num_scores; y++) {
move(y, 1);
clrtoeol();
}
refresh();
}
return true;
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}
return false;
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}