sail/pl_main.c

   1 /*      $NetBSD: pl_main.c,v 1.16 2003/08/07 09:37:44 agc 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 1.16 2003/08/07 09:37:44 agc 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                 scanf("%s", buf);
 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 }