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pl_main.c revision 1.26
      1 /*	$NetBSD: pl_main.c,v 1.26 2009/03/15 03:33:56 dholland 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 1.26 2009/03/15 03:33:56 dholland Exp $");
     38 #endif
     39 #endif /* not lint */
     40 
     41 #include <err.h>
     42 #include <setjmp.h>
     43 #include <signal.h>
     44 #include <stdio.h>
     45 #include <stdlib.h>
     46 #include <string.h>
     47 #include <unistd.h>
     48 #include "display.h"
     49 #include "extern.h"
     50 #include "player.h"
     51 #include "restart.h"
     52 
     53 static void initialize(void);
     54 
     55 /*ARGSUSED*/
     56 int
     57 pl_main(void)
     58 {
     59 	initialize();
     60 	Msg("Aye aye, Sir");
     61 	play();
     62 	return 0;			/* for lint,  play() never returns */
     63 }
     64 
     65 static void
     66 initialize(void)
     67 {
     68 	struct File *fp;
     69 	struct ship *sp;
     70 	char captain[80];
     71 	char message[60];
     72 	int load;
     73 	int n;
     74 	char *nameptr;
     75 	int nat[NNATION];
     76 
     77 	if (game < 0) {
     78 		puts("Choose a scenario:\n");
     79 		puts("\n\tNUMBER\tSHIPS\tIN PLAY\tTITLE");
     80 		for (n = 0; n < NSCENE; n++) {
     81 			/* ( */
     82 			printf("\t%d):\t%d\t%s\t%s\n", n, scene[n].vessels,
     83 				sync_exists(n) ? "YES" : "no",
     84 				scene[n].name);
     85 		}
     86 reprint:
     87 		printf("\nScenario number? ");
     88 		fflush(stdout);
     89 		scanf("%d", &game);
     90 		while (getchar() != '\n' && !feof(stdin))
     91 			;
     92 	}
     93 	if (game < 0 || game >= NSCENE) {
     94 		errx(1, "Very funny.");
     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 = calloc(1, sizeof (struct File))) == NULL) {
    104 			err(1, "calloc");
    105 		}
    106 		sp->file->index = sp - SHIP(0);
    107 		sp->file->stern = nat[sp->nationality]++;
    108 		sp->file->dir = sp->shipdir;
    109 		sp->file->row = sp->shiprow;
    110 		sp->file->col = sp->shipcol;
    111 	}
    112 	windspeed = cc->windspeed;
    113 	winddir = cc->winddir;
    114 
    115 	signal(SIGHUP, choke);
    116 	signal(SIGINT, choke);
    117 
    118 	hasdriver = sync_exists(game);
    119 	if (sync_open() < 0) {
    120 		err(1, "syncfile");
    121 	}
    122 
    123 	if (hasdriver) {
    124 		puts("Synchronizing with the other players...");
    125 		fflush(stdout);
    126 		if (Sync() < 0)
    127 			leave(LEAVE_SYNC);
    128 	}
    129 	for (;;) {
    130 		foreachship(sp)
    131 			if (sp->file->captain[0] == 0 && !sp->file->struck
    132 			    && sp->file->captured == 0)
    133 				break;
    134 		if (sp >= ls) {
    135 			puts("All ships taken in that scenario.");
    136 			foreachship(sp)
    137 				free(sp->file);
    138 			sync_close(0);
    139 			people = 0;
    140 			goto reprint;
    141 		}
    142 		if (randomize) {
    143 			player = sp - SHIP(0);
    144 		} else {
    145 			printf("%s\n\n", cc->name);
    146 			foreachship(sp)
    147 				printf("  %2d:  %-10s %-15s  (%-2d pts)   %s\n",
    148 					sp->file->index,
    149 					countryname[sp->nationality],
    150 					sp->shipname,
    151 					sp->specs->pts,
    152 					saywhat(sp, 1));
    153 			printf("\nWhich ship (0-%d)? ", cc->vessels-1);
    154 			fflush(stdout);
    155 			if (scanf("%d", &player) != 1 || player < 0
    156 			    || player >= cc->vessels) {
    157 				while (getchar() != '\n' && !feof(stdin))
    158 					;
    159 				puts("Say what?");
    160 				player = -1;
    161 			} else
    162 				while (getchar() != '\n' && !feof(stdin))
    163 					;
    164 			if (feof(stdin)) {
    165 				printf("\nExiting...\n");
    166 				leave(LEAVE_QUIT);
    167 			}
    168 		}
    169 		if (player < 0)
    170 			continue;
    171 		if (Sync() < 0)
    172 			leave(LEAVE_SYNC);
    173 		fp = SHIP(player)->file;
    174 		if (fp->captain[0] || fp->struck || fp->captured != 0)
    175 			puts("That ship is taken.");
    176 		else
    177 			break;
    178 	}
    179 
    180 	ms = SHIP(player);
    181 	mf = ms->file;
    182 	mc = ms->specs;
    183 
    184 	send_begin(ms);
    185 	if (Sync() < 0)
    186 		leave(LEAVE_SYNC);
    187 
    188 	signal(SIGCHLD, child);
    189 	if (!hasdriver)
    190 		switch (fork()) {
    191 		case 0:
    192 			longjmp(restart, MODE_DRIVER);
    193 			/*NOTREACHED*/
    194 		case -1:
    195 			warn("fork");
    196 			leave(LEAVE_FORK);
    197 			break;
    198 		default:
    199 			hasdriver++;
    200 		}
    201 
    202 	printf("Your ship is the %s, a %d gun %s (%s crew).\n",
    203 		ms->shipname, mc->guns, classname[mc->class],
    204 		qualname[mc->qual]);
    205 	if ((nameptr = getenv("SAILNAME")) && *nameptr)
    206 		strlcpy(captain, nameptr, sizeof captain);
    207 	else {
    208 		printf("Your name, Captain? ");
    209 		fflush(stdout);
    210 		if (fgets(captain, sizeof captain, stdin) == NULL)
    211 			strcpy(captain, "no name");
    212 		else if (*captain == '\0' || *captain == '\n')
    213 			strcpy(captain, "no name");
    214 		else
    215 		    captain[strlen(captain) - 1] = '\0';
    216 	}
    217 	send_captain(ms, captain);
    218 	for (n = 0; n < 2; n++) {
    219 		char buf[10];
    220 
    221 		printf("\nInitial broadside %s (grape, chain, round, double): ",
    222 			n ? "right" : "left");
    223 		fflush(stdout);
    224 		fgets(buf, sizeof(buf), stdin);
    225 		switch (*buf) {
    226 		case 'g':
    227 			load = L_GRAPE;
    228 			break;
    229 		case 'c':
    230 			load = L_CHAIN;
    231 			break;
    232 		case 'r':
    233 			load = L_ROUND;
    234 			break;
    235 		case 'd':
    236 			load = L_DOUBLE;
    237 			break;
    238 		default:
    239 			load = L_ROUND;
    240 		}
    241 		if (n) {
    242 			mf->loadR = load;
    243 			mf->readyR = R_LOADED|R_INITIAL;
    244 		} else {
    245 			mf->loadL = load;
    246 			mf->readyL = R_LOADED|R_INITIAL;
    247 		}
    248 	}
    249 
    250 	printf("\n");
    251 	fflush(stdout);
    252 	initscreen();
    253 	display_redraw();
    254 	snprintf(message, sizeof message, "Captain %s assuming command",
    255 			captain);
    256 	send_signal(ms, message);
    257 	newturn(0);
    258 }
    259