games/sail/pl_main.c

   1 /*      $NetBSD: pl_main.c,v 1.25 2009/03/14 22:52:53 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 1.25 2009/03/14 22:52:53 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 }