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dr_main.c revision 1.7 
      1 /*	$NetBSD: dr_main.c,v 1.7 2001/01/01 21:57:38 jwise Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1983, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by the University of
     18  *	California, Berkeley and its contributors.
     19  * 4. Neither the name of the University nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  */
     35 
     36 #include <sys/cdefs.h>
     37 #ifndef lint
     38 #if 0
     39 static char sccsid[] = "@(#)dr_main.c	8.2 (Berkeley) 4/16/94";
     40 #else
     41 __RCSID("$NetBSD: dr_main.c,v 1.7 2001/01/01 21:57:38 jwise Exp $");
     42 #endif
     43 #endif /* not lint */
     44 
     45 #include "driver.h"
     46 #include <stdlib.h>
     47 #include <unistd.h>
     48 
     49 int
     50 dr_main(void)
     51 {
     52 	int n;
     53 	struct ship *sp;
     54 	int nat[NNATION];
     55 	int value = 0;
     56 
     57 	signal(SIGINT, SIG_IGN);
     58 	signal(SIGQUIT, SIG_IGN);
     59 	signal(SIGTSTP, SIG_IGN);
     60 	if (game < 0 || game >= NSCENE) {
     61 		fprintf(stderr, "DRIVER: Bad game number %d\n", game);
     62 		exit(1);
     63 	}
     64 	cc = &scene[game];
     65 	ls = SHIP(cc->vessels);
     66 	if (sync_open() < 0) {
     67 		perror("driver: syncfile");
     68 		exit(1);
     69 	}
     70 	for (n = 0; n < NNATION; n++)
     71 		nat[n] = 0;
     72 	foreachship(sp) {
     73 		if (sp->file == NULL &&
     74 		    (sp->file = (struct File *)calloc(1, sizeof (struct File))) == NULL) {
     75 			fprintf(stderr, "DRIVER: Out of memory.\n");
     76 			exit(1);
     77 		}
     78 		sp->file->index = sp - SHIP(0);
     79 		sp->file->loadL = L_ROUND;
     80 		sp->file->loadR = L_ROUND;
     81 		sp->file->readyR = R_LOADED|R_INITIAL;
     82 		sp->file->readyL = R_LOADED|R_INITIAL;
     83 		sp->file->stern = nat[sp->nationality]++;
     84 		sp->file->dir = sp->shipdir;
     85 		sp->file->row = sp->shiprow;
     86 		sp->file->col = sp->shipcol;
     87 	}
     88 	windspeed = cc->windspeed;
     89 	winddir = cc->winddir;
     90 	people = 0;
     91 	for (;;) {
     92 		sleep(7);
     93 		if (Sync() < 0) {
     94 			value = 1;
     95 			break;
     96 		}
     97 		if (next() < 0)
     98 			break;
     99 		unfoul();
    100 		checkup();
    101 		prizecheck();
    102 		moveall();
    103 		thinkofgrapples();
    104 		boardcomp();
    105 		compcombat();
    106 		resolve();
    107 		reload();
    108 		checksails();
    109 		if (Sync() < 0) {
    110 			value = 1;
    111 			break;
    112 		}
    113 	}
    114 	sync_close(1);
    115 	return value;
    116 }
    117