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- /*-
- * Copyright (c) 1990 The Regents of the University of California.
- * All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Ed James.
- *
- * 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.
- */
-
- /*
- * Copyright (c) 1987 by Ed James, UC Berkeley. All rights reserved.
- *
- * Copy permission is hereby granted provided that this notice is
- * retained on all partial or complete copies.
- *
- * For more info on this and all of my stuff, mail edjames@berkeley.edu.
- */
-
- #ifndef lint
- char copyright[] =
- "@(#) Copyright (c) 1990 The Regents of the University of California.\n\
- All rights reserved.\n";
- #endif /* not lint */
-
- #ifndef lint
- static char sccsid[] = "@(#)main.c 5.4 (Berkeley) 3/5/91";
- #endif /* not lint */
-
- #include "include.h"
- #include "pathnames.h"
-
- main(ac, av)
- char *av[];
- {
- int seed;
- int f_usage = 0, f_list = 0, f_showscore = 0;
- int f_printpath = 0;
- char *file = NULL;
- char *name, *ptr;
- #ifdef BSD
- struct itimerval itv;
- #endif
- extern char *default_game(), *okay_game();
- extern void log_score(), quit(), update();
-
- start_time = seed = time(0);
-
- name = *av++;
- while (*av) {
- #ifndef SAVEDASH
- if (**av == '-')
- *++*av;
- else
- break;
- #endif
- ptr = *av++;
- while (*ptr) {
- switch (*ptr) {
- case '?':
- case 'u':
- f_usage++;
- break;
- case 'l':
- f_list++;
- break;
- case 's':
- case 't':
- f_showscore++;
- break;
- case 'p':
- f_printpath++;
- break;
- case 'r':
- seed = atoi(*av);
- av++;
- break;
- case 'f':
- case 'g':
- file = *av;
- av++;
- break;
- default:
- fprintf(stderr, "Unknown option '%c'\n", *ptr,
- name);
- f_usage++;
- break;
- }
- ptr++;
- }
- }
- srandom(seed);
-
- if (f_usage)
- fprintf(stderr,
- "Usage: %s -[u?lstp] [-[gf] game_name] [-r random seed]\n",
- name);
- if (f_showscore)
- log_score(1);
- if (f_list)
- list_games();
- if (f_printpath) {
- char buf[100];
-
- strcpy(buf, _PATH_GAMES);
- buf[strlen(buf) - 1] = '\0';
- puts(buf);
- }
-
- if (f_usage || f_showscore || f_list || f_printpath)
- exit(0);
-
- if (file == NULL)
- file = default_game();
- else
- file = okay_game(file);
-
- if (file == NULL || read_file(file) < 0)
- exit(1);
-
- init_gr();
- setup_screen(sp);
-
- addplane();
-
- signal(SIGINT, quit);
- signal(SIGQUIT, quit);
- #ifdef BSD
- signal(SIGTSTP, SIG_IGN);
- signal(SIGSTOP, SIG_IGN);
- #endif
- signal(SIGHUP, log_score);
- signal(SIGTERM, log_score);
-
- #ifdef BSD
- ioctl(fileno(stdin), TIOCGETP, &tty_start);
- bcopy(&tty_start, &tty_new, sizeof(tty_new));
- tty_new.sg_flags |= CBREAK;
- tty_new.sg_flags &= ~ECHO;
- ioctl(fileno(stdin), TIOCSETP, &tty_new);
- #endif
-
- #ifdef SYSV
- ioctl(fileno(stdin), TCGETA, &tty_start);
- bcopy(&tty_start, &tty_new, sizeof(tty_new));
- tty_new.c_lflag &= ~ICANON;
- tty_new.c_lflag &= ~ECHO;
- tty_new.c_cc[VMIN] = 1;
- tty_new.c_cc[VTIME] = 0;
- ioctl(fileno(stdin), TCSETAW, &tty_new);
- #endif
-
- signal(SIGALRM, update);
-
- #ifdef BSD
- itv.it_value.tv_sec = 0;
- itv.it_value.tv_usec = 1;
- itv.it_interval.tv_sec = sp->update_secs;
- itv.it_interval.tv_usec = 0;
- setitimer(ITIMER_REAL, &itv, NULL);
- #endif
- #ifdef SYSV
- alarm(sp->update_secs);
- #endif
-
- for (;;) {
- if (getcommand() != 1)
- planewin();
- else {
- #ifdef BSD
- itv.it_value.tv_sec = 0;
- itv.it_value.tv_usec = 0;
- setitimer(ITIMER_REAL, &itv, NULL);
- #endif
- #ifdef SYSV
- alarm(0);
- #endif
-
- update();
-
- #ifdef BSD
- itv.it_value.tv_sec = sp->update_secs;
- itv.it_value.tv_usec = 0;
- itv.it_interval.tv_sec = sp->update_secs;
- itv.it_interval.tv_usec = 0;
- setitimer(ITIMER_REAL, &itv, NULL);
- #endif
- #ifdef SYSV
- alarm(sp->update_secs);
- #endif
- }
- }
- }
-
- read_file(s)
- char *s;
- {
- extern FILE *yyin;
- int retval;
-
- file = s;
- yyin = fopen(s, "r");
- if (yyin == NULL) {
- perror(s);
- return (-1);
- }
- retval = yyparse();
- fclose(yyin);
-
- if (retval != 0)
- return (-1);
- else
- return (0);
- }
-
- char *
- default_game()
- {
- FILE *fp;
- static char file[256];
- char line[256], games[256];
-
- strcpy(games, _PATH_GAMES);
- strcat(games, GAMES);
-
- if ((fp = fopen(games, "r")) == NULL) {
- perror(games);
- return (NULL);
- }
- if (fgets(line, sizeof(line), fp) == NULL) {
- fprintf(stderr, "%s: no default game available\n", games);
- return (NULL);
- }
- fclose(fp);
- line[strlen(line) - 1] = '\0';
- strcpy(file, _PATH_GAMES);
- strcat(file, line);
- return (file);
- }
-
- char *
- okay_game(s)
- char *s;
- {
- FILE *fp;
- static char file[256];
- char *ret = NULL, line[256], games[256];
-
- strcpy(games, _PATH_GAMES);
- strcat(games, GAMES);
-
- if ((fp = fopen(games, "r")) == NULL) {
- perror(games);
- return (NULL);
- }
- while (fgets(line, sizeof(line), fp) != NULL) {
- line[strlen(line) - 1] = '\0';
- if (strcmp(s, line) == 0) {
- strcpy(file, _PATH_GAMES);
- strcat(file, line);
- ret = file;
- break;
- }
- }
- fclose(fp);
- if (ret == NULL) {
- test_mode = 1;
- ret = s;
- fprintf(stderr, "%s: %s: game not found\n", games, s);
- fprintf(stderr, "Your score will not be logged.\n");
- sleep(2); /* give the guy time to read it */
- }
- return (ret);
- }
-
- list_games()
- {
- FILE *fp;
- char line[256], games[256];
- int num_games = 0;
-
- strcpy(games, _PATH_GAMES);
- strcat(games, GAMES);
-
- if ((fp = fopen(games, "r")) == NULL) {
- perror(games);
- return (-1);
- }
- puts("available games:");
- while (fgets(line, sizeof(line), fp) != NULL) {
- printf(" %s", line);
- num_games++;
- }
- fclose(fp);
- if (num_games == 0) {
- fprintf(stderr, "%s: no games available\n", games);
- return (-1);
- }
- return (0);
- }
-