1 /*- 2 * Copyright (c) 1983, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)dr_main.c 8.2 (Berkeley) 4/16/94 30 * $FreeBSD: src/games/sail/dr_main.c,v 1.4 1999/11/30 03:49:33 billf Exp $ 31 * $DragonFly: src/games/sail/dr_main.c,v 1.3 2006/09/03 17:33:13 pavalos Exp $ 32 */ 33 34 #include "driver.h" 35 36 int 37 dr_main(void) 38 { 39 int n; 40 struct ship *sp; 41 int nat[NNATION]; 42 int value = 0; 43 44 signal(SIGINT, SIG_IGN); 45 signal(SIGQUIT, SIG_IGN); 46 signal(SIGTSTP, SIG_IGN); 47 if (issetuid) 48 setuid(geteuid()); 49 if (game < 0 || game >= NSCENE) { 50 fprintf(stderr, "DRIVER: Bad game number %d\n", game); 51 exit(1); 52 } 53 cc = &scene[game]; 54 ls = SHIP(cc->vessels); 55 if (sync_open() < 0) { 56 perror("driver: syncfile"); 57 exit(1); 58 } 59 for (n = 0; n < NNATION; n++) 60 nat[n] = 0; 61 foreachship(sp) { 62 if (sp->file == NULL && 63 (sp->file = calloc(1, sizeof (struct File))) == NULL) { 64 fprintf(stderr, "DRIVER: Out of memory.\n"); 65 exit(1); 66 } 67 sp->file->index = sp - SHIP(0); 68 sp->file->loadL = L_ROUND; 69 sp->file->loadR = L_ROUND; 70 sp->file->readyR = R_LOADED|R_INITIAL; 71 sp->file->readyL = R_LOADED|R_INITIAL; 72 sp->file->stern = nat[sp->nationality]++; 73 sp->file->dir = sp->shipdir; 74 sp->file->row = sp->shiprow; 75 sp->file->col = sp->shipcol; 76 } 77 windspeed = cc->windspeed; 78 winddir = cc->winddir; 79 people = 0; 80 for (;;) { 81 sleep(7); 82 if (Sync() < 0) { 83 value = 1; 84 break; 85 } 86 if (next() < 0) 87 break; 88 unfoul(); 89 checkup(); 90 prizecheck(); 91 moveall(); 92 thinkofgrapples(); 93 boardcomp(); 94 compcombat(); 95 resolve(); 96 reload(); 97 checksails(); 98 if (Sync() < 0) { 99 value = 1; 100 break; 101 } 102 } 103 sync_close(1); 104 return value; 105 } 106