Home | History | Annotate | Line # | Download | only in sail
pl_main.c revision 1.17
      1 /*	$NetBSD: pl_main.c,v 1.17 2006/04/20 10:57:26 drochner 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. Neither the name of the University nor the names of its contributors
     16  *    may be used to endorse or promote products derived from this software
     17  *    without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     29  * SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 #ifndef lint
     34 #if 0
     35 static char sccsid[] = "@(#)pl_main.c	8.1 (Berkeley) 5/31/93";
     36 #else
     37 __RCSID("$NetBSD: pl_main.c,v 1.17 2006/04/20 10:57:26 drochner Exp $");
     38 #endif
     39 #endif /* not lint */
     40 
     41 #include <setjmp.h>
     42 #include <signal.h>
     43 #include <stdio.h>
     44 #include <stdlib.h>
     45 #include <string.h>
     46 #include <unistd.h>
     47 #include "extern.h"
     48 #include "player.h"
     49 #include "restart.h"
     50 
     51 static void	initialize(void);
     52 
     53 /*ARGSUSED*/
     54 int
     55 pl_main(void)
     56 {
     57 
     58 	initialize();
     59 	Msg("Aye aye, Sir");
     60 	play();
     61 	return 0;			/* for lint,  play() never returns */
     62 }
     63 
     64 static void
     65 initialize(void)
     66 {
     67 	struct File *fp;
     68 	struct ship *sp;
     69 	char captain[80];
     70 	char message[60];
     71 	int load;
     72 	int n;
     73 	char *nameptr;
     74 	int nat[NNATION];
     75 
     76 	if (game < 0) {
     77 		puts("Choose a scenario:\n");
     78 		puts("\n\tNUMBER\tSHIPS\tIN PLAY\tTITLE");
     79 		for (n = 0; n < NSCENE; n++) {
     80 			/* ( */
     81 			printf("\t%d):\t%d\t%s\t%s\n", n, scene[n].vessels,
     82 				sync_exists(n) ? "YES" : "no",
     83 				scene[n].name);
     84 		}
     85 reprint:
     86 		printf("\nScenario number? ");
     87 		fflush(stdout);
     88 		scanf("%d", &game);
     89 		while (getchar() != '\n')
     90 			;
     91 	}
     92 	if (game < 0 || game >= NSCENE) {
     93 		puts("Very funny.");
     94 		exit(1);
     95 	}
     96 	cc = &scene[game];
     97 	ls = SHIP(cc->vessels);
     98 
     99 	for (n = 0; n < NNATION; n++)
    100 		nat[n] = 0;
    101 	foreachship(sp) {
    102 		if (sp->file == NULL &&
    103 		    (sp->file = (struct File *)calloc(1, sizeof (struct File))) == NULL) {
    104 			puts("OUT OF MEMORY");
    105 			exit(1);
    106 		}
    107 		sp->file->index = sp - SHIP(0);
    108 		sp->file->stern = nat[sp->nationality]++;
    109 		sp->file->dir = sp->shipdir;
    110 		sp->file->row = sp->shiprow;
    111 		sp->file->col = sp->shipcol;
    112 	}
    113 	windspeed = cc->windspeed;
    114 	winddir = cc->winddir;
    115 
    116 	signal(SIGHUP, choke);
    117 	signal(SIGINT, choke);
    118 
    119 	hasdriver = sync_exists(game);
    120 	if (sync_open() < 0) {
    121 		perror("sail: syncfile");
    122 		exit(1);
    123 	}
    124 
    125 	if (hasdriver) {
    126 		puts("Synchronizing with the other players...");
    127 		fflush(stdout);
    128 		if (Sync() < 0)
    129 			leave(LEAVE_SYNC);
    130 	}
    131 	for (;;) {
    132 		foreachship(sp)
    133 			if (sp->file->captain[0] == 0 && !sp->file->struck
    134 			    && sp->file->captured == 0)
    135 				break;
    136 		if (sp >= ls) {
    137 			puts("All ships taken in that scenario.");
    138 			foreachship(sp)
    139 				free((char *)sp->file);
    140 			sync_close(0);
    141 			people = 0;
    142 			goto reprint;
    143 		}
    144 		if (randomize) {
    145 			player = sp - SHIP(0);
    146 		} else {
    147 			printf("%s\n\n", cc->name);
    148 			foreachship(sp)
    149 				printf("  %2d:  %-10s %-15s  (%-2d pts)   %s\n",
    150 					sp->file->index,
    151 					countryname[sp->nationality],
    152 					sp->shipname,
    153 					sp->specs->pts,
    154 					saywhat(sp, 1));
    155 			printf("\nWhich ship (0-%d)? ", cc->vessels-1);
    156 			fflush(stdout);
    157 			if (scanf("%d", &player) != 1 || player < 0
    158 			    || player >= cc->vessels) {
    159 				while (getchar() != '\n')
    160 					;
    161 				puts("Say what?");
    162 				player = -1;
    163 			} else
    164 				while (getchar() != '\n')
    165 					;
    166 		}
    167 		if (player < 0)
    168 			continue;
    169 		if (Sync() < 0)
    170 			leave(LEAVE_SYNC);
    171 		fp = SHIP(player)->file;
    172 		if (fp->captain[0] || fp->struck || fp->captured != 0)
    173 			puts("That ship is taken.");
    174 		else
    175 			break;
    176 	}
    177 
    178 	ms = SHIP(player);
    179 	mf = ms->file;
    180 	mc = ms->specs;
    181 
    182 	Write(W_BEGIN, ms, 0, 0, 0, 0);
    183 	if (Sync() < 0)
    184 		leave(LEAVE_SYNC);
    185 
    186 	signal(SIGCHLD, child);
    187 	if (!hasdriver)
    188 		switch (fork()) {
    189 		case 0:
    190 			longjmp(restart, MODE_DRIVER);
    191 			/*NOTREACHED*/
    192 		case -1:
    193 			perror("fork");
    194 			leave(LEAVE_FORK);
    195 			break;
    196 		default:
    197 			hasdriver++;
    198 		}
    199 
    200 	printf("Your ship is the %s, a %d gun %s (%s crew).\n",
    201 		ms->shipname, mc->guns, classname[mc->class],
    202 		qualname[mc->qual]);
    203 	if ((nameptr = (char *) getenv("SAILNAME")) && *nameptr)
    204 		strncpy(captain, nameptr, sizeof captain);
    205 	else {
    206 		printf("Your name, Captain? ");
    207 		fflush(stdout);
    208 		fgets(captain, sizeof captain, stdin);
    209 		if (!*captain)
    210 			strcpy(captain, "no name");
    211 		else
    212 		    captain[strlen(captain) - 1] = '\0';
    213 	}
    214 	captain[sizeof captain - 1] = '\0';
    215 	Writestr(W_CAPTAIN, ms, captain);
    216 	for (n = 0; n < 2; n++) {
    217 		char buf[10];
    218 
    219 		printf("\nInitial broadside %s (grape, chain, round, double): ",
    220 			n ? "right" : "left");
    221 		fflush(stdout);
    222 		fgets(buf, sizeof(buf), stdin);
    223 		switch (*buf) {
    224 		case 'g':
    225 			load = L_GRAPE;
    226 			break;
    227 		case 'c':
    228 			load = L_CHAIN;
    229 			break;
    230 		case 'r':
    231 			load = L_ROUND;
    232 			break;
    233 		case 'd':
    234 			load = L_DOUBLE;
    235 			break;
    236 		default:
    237 			load = L_ROUND;
    238 		}
    239 		if (n) {
    240 			mf->loadR = load;
    241 			mf->readyR = R_LOADED|R_INITIAL;
    242 		} else {
    243 			mf->loadL = load;
    244 			mf->readyL = R_LOADED|R_INITIAL;
    245 		}
    246 	}
    247 
    248 	initscreen();
    249 	draw_board();
    250 	snprintf(message, sizeof message, "Captain %s assuming command",
    251 			captain);
    252 	Writestr(W_SIGNAL, ms, message);
    253 	newturn(0);
    254 }
    255