sail/pl_main.c

   1 /*      $NetBSD: pl_main.c,v 1.15 2001/02/05 01:10:11 christos 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[] = "@(#)pl_main.c   8.1 (Berkeley) 5/31/93";
  40 #else
  41 __RCSID("$NetBSD: pl_main.c,v 1.15 2001/02/05 01:10:11 christos Exp $");
  42 #endif
  43 #endif /* not lint */
  44
  45 #include <setjmp.h>
  46 #include <signal.h>
  47 #include <stdio.h>
  48 #include <stdlib.h>
  49 #include <string.h>
  50 #include <unistd.h>
  51 #include "extern.h"
  52 #include "player.h"
  53 #include "restart.h"
  54
  55 static void     initialize(void);
  56
  57 /*ARGSUSED*/
  58 int
  59 pl_main(void)
  60 {
  61
  62         initialize();
  63         Msg("Aye aye, Sir");
  64         play();
  65         return 0;                       /* for lint,  play() never returns */
  66 }
  67
  68 static void
  69 initialize(void)
  70 {
  71         struct File *fp;
  72         struct ship *sp;
  73         char captain[80];
  74         char message[60];
  75         int load;
  76         int n;
  77         char *nameptr;
  78         int nat[NNATION];
  79
  80         if (game < 0) {
  81                 puts("Choose a scenario:\n");
  82                 puts("\n\tNUMBER\tSHIPS\tIN PLAY\tTITLE");
  83                 for (n = 0; n < NSCENE; n++) {
  84                         /* ( */
  85                         printf("\t%d):\t%d\t%s\t%s\n", n, scene[n].vessels,
  86                                 sync_exists(n) ? "YES" : "no",
  87                                 scene[n].name);
  88                 }
  89 reprint:
  90                 printf("\nScenario number? ");
  91                 fflush(stdout);
  92                 scanf("%d", &game);
  93                 while (getchar() != '\n')
  94                         ;
  95         }
  96         if (game < 0 || game >= NSCENE) {
  97                 puts("Very funny.");
  98                 exit(1);
  99         }
 100         cc = &scene[game];
 101         ls = SHIP(cc->vessels);
 102
 103         for (n = 0; n < NNATION; n++)
 104                 nat[n] = 0;
 105         foreachship(sp) {
 106                 if (sp->file == NULL &&
 107                     (sp->file = (struct File *)calloc(1, sizeof (struct File))) == NULL) {
 108                         puts("OUT OF MEMORY");
 109                         exit(1);
 110                 }
 111                 sp->file->index = sp - SHIP(0);
 112                 sp->file->stern = nat[sp->nationality]++;
 113                 sp->file->dir = sp->shipdir;
 114                 sp->file->row = sp->shiprow;
 115                 sp->file->col = sp->shipcol;
 116         }
 117         windspeed = cc->windspeed;
 118         winddir = cc->winddir;
 119
 120         signal(SIGHUP, choke);
 121         signal(SIGINT, choke);
 122
 123         hasdriver = sync_exists(game);
 124         if (sync_open() < 0) {
 125                 perror("sail: syncfile");
 126                 exit(1);
 127         }
 128
 129         if (hasdriver) {
 130                 puts("Synchronizing with the other players...");
 131                 fflush(stdout);
 132                 if (Sync() < 0)
 133                         leave(LEAVE_SYNC);
 134         }
 135         for (;;) {
 136                 foreachship(sp)
 137                         if (sp->file->captain[0] == 0 && !sp->file->struck
 138                             && sp->file->captured == 0)
 139                                 break;
 140                 if (sp >= ls) {
 141                         puts("All ships taken in that scenario.");
 142                         foreachship(sp)
 143                                 free((char *)sp->file);
 144                         sync_close(0);
 145                         people = 0;
 146                         goto reprint;
 147                 }
 148                 if (randomize) {
 149                         player = sp - SHIP(0);
 150                 } else {
 151                         printf("%s\n\n", cc->name);
 152                         foreachship(sp)
 153                                 printf("  %2d:  %-10s %-15s  (%-2d pts)   %s\n",
 154                                         sp->file->index,
 155                                         countryname[sp->nationality],
 156                                         sp->shipname,
 157                                         sp->specs->pts,
 158                                         saywhat(sp, 1));
 159                         printf("\nWhich ship (0-%d)? ", cc->vessels-1);
 160                         fflush(stdout);
 161                         if (scanf("%d", &player) != 1 || player < 0
 162                             || player >= cc->vessels) {
 163                                 while (getchar() != '\n')
 164                                         ;
 165                                 puts("Say what?");
 166                                 player = -1;
 167                         } else
 168                                 while (getchar() != '\n')
 169                                         ;
 170                 }
 171                 if (player < 0)
 172                         continue;
 173                 if (Sync() < 0)
 174                         leave(LEAVE_SYNC);
 175                 fp = SHIP(player)->file;
 176                 if (fp->captain[0] || fp->struck || fp->captured != 0)
 177                         puts("That ship is taken.");
 178                 else
 179                         break;
 180         }
 181
 182         ms = SHIP(player);
 183         mf = ms->file;
 184         mc = ms->specs;
 185
 186         Write(W_BEGIN, ms, 0, 0, 0, 0);
 187         if (Sync() < 0)
 188                 leave(LEAVE_SYNC);
 189
 190         signal(SIGCHLD, child);
 191         if (!hasdriver)
 192                 switch (fork()) {
 193                 case 0:
 194                         longjmp(restart, MODE_DRIVER);
 195                         /*NOTREACHED*/
 196                 case -1:
 197                         perror("fork");
 198                         leave(LEAVE_FORK);
 199                         break;
 200                 default:
 201                         hasdriver++;
 202                 }
 203
 204         printf("Your ship is the %s, a %d gun %s (%s crew).\n",
 205                 ms->shipname, mc->guns, classname[mc->class],
 206                 qualname[mc->qual]);
 207         if ((nameptr = (char *) getenv("SAILNAME")) && *nameptr)
 208                 strncpy(captain, nameptr, sizeof captain);
 209         else {
 210                 printf("Your name, Captain? ");
 211                 fflush(stdout);
 212                 fgets(captain, sizeof captain, stdin);
 213                 if (!*captain)
 214                         strcpy(captain, "no name");
 215                 else
 216                     captain[strlen(captain) - 1] = '\0';
 217         }
 218         captain[sizeof captain - 1] = '\0';
 219         Writestr(W_CAPTAIN, ms, captain);
 220         for (n = 0; n < 2; n++) {
 221                 char buf[10];
 222
 223                 printf("\nInitial broadside %s (grape, chain, round, double): ",
 224                         n ? "right" : "left");
 225                 fflush(stdout);
 226                 scanf("%s", buf);
 227                 switch (*buf) {
 228                 case 'g':
 229                         load = L_GRAPE;
 230                         break;
 231                 case 'c':
 232                         load = L_CHAIN;
 233                         break;
 234                 case 'r':
 235                         load = L_ROUND;
 236                         break;
 237                 case 'd':
 238                         load = L_DOUBLE;
 239                         break;
 240                 default:
 241                         load = L_ROUND;
 242                 }
 243                 if (n) {
 244                         mf->loadR = load;
 245                         mf->readyR = R_LOADED|R_INITIAL;
 246                 } else {
 247                         mf->loadL = load;
 248                         mf->readyL = R_LOADED|R_INITIAL;
 249                 }
 250         }
 251
 252         initscreen();
 253         draw_board();
 254         snprintf(message, sizeof message, "Captain %s assuming command",
 255                         captain);
 256         Writestr(W_SIGNAL, ms, message);
 257         newturn(0);
 258 }