games/sail/pl_main.c

   1 /*-
   2  * Copyright (c) 1983, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. Neither the name of the University nor the names of its contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  *
  29  * @(#)pl_main.c        8.1 (Berkeley) 5/31/93
  30  * $FreeBSD: src/games/sail/pl_main.c,v 1.6 1999/11/30 03:49:38 billf Exp $
  31  * $DragonFly: src/games/sail/pl_main.c,v 1.4 2006/09/03 17:33:13 pavalos Exp $
  32  */
  33
  34 #include <sys/types.h>
  35 #include <sys/wait.h>
  36 #include "player.h"
  37
  38 static void initialize(void);
  39
  40 /*ARGSUSED*/
  41 int
  42 pl_main(void)
  43 {
  44
  45         if (!SCREENTEST()) {
  46                 printf("Can't sail on this terminal.\n");
  47                 exit(1);
  48         }
  49         initialize();
  50         Signal("Aye aye, Sir", NULL);
  51         play();
  52         return 0;                       /* for lint,  play() never returns */
  53 }
  54
  55 static void
  56 initialize(void)
  57 {
  58         struct File *fp;
  59         struct ship *sp;
  60         char captain[80];
  61         char message[60];
  62         int load;
  63         int n;
  64         char *nameptr;
  65         int nat[NNATION];
  66
  67         if (game < 0) {
  68                 puts("Choose a scenario:\n");
  69                 puts("\n\tNUMBER\tSHIPS\tIN PLAY\tTITLE");
  70                 for (n = 0; n < NSCENE; n++) {
  71                         /* ( */
  72                         printf("\t%d):\t%d\t%s\t%s\n", n, scene[n].vessels,
  73                                 sync_exists(n) ? "YES" : "no",
  74                                 scene[n].name);
  75                 }
  76 reprint:
  77                 printf("\nScenario number? ");
  78                 fflush(stdout);
  79                 scanf("%d", &game);
  80                 while (getchar() != '\n')
  81                         ;
  82         }
  83         if (game < 0 || game >= NSCENE) {
  84                 puts("Very funny.");
  85                 exit(1);
  86         }
  87         cc = &scene[game];
  88         ls = SHIP(cc->vessels);
  89
  90         for (n = 0; n < NNATION; n++)
  91                 nat[n] = 0;
  92         foreachship(sp) {
  93                 if (sp->file == NULL &&
  94                     (sp->file = calloc(1, sizeof (struct File))) == NULL) {
  95                         puts("OUT OF MEMORY");
  96                         exit(1);
  97                 }
  98                 sp->file->index = sp - SHIP(0);
  99                 sp->file->stern = nat[sp->nationality]++;
 100                 sp->file->dir = sp->shipdir;
 101                 sp->file->row = sp->shiprow;
 102                 sp->file->col = sp->shipcol;
 103         }
 104         windspeed = cc->windspeed;
 105         winddir = cc->winddir;
 106
 107         signal(SIGHUP, (sig_t)choke);
 108         signal(SIGINT, (sig_t)choke);
 109
 110         hasdriver = sync_exists(game);
 111         if (sync_open() < 0) {
 112                 perror("sail: syncfile");
 113                 exit(1);
 114         }
 115
 116         if (hasdriver) {
 117                 puts("Synchronizing with the other players...");
 118                 fflush(stdout);
 119                 if (Sync() < 0)
 120                         leave(LEAVE_SYNC);
 121         }
 122         for (;;) {
 123                 foreachship(sp)
 124                         if (sp->file->captain[0] == 0 && !sp->file->struck
 125                             && sp->file->captured == 0)
 126                                 break;
 127                 if (sp >= ls) {
 128                         puts("All ships taken in that scenario.");
 129                         foreachship(sp)
 130                                 free(sp->file);
 131                         sync_close(0);
 132                         people = 0;
 133                         goto reprint;
 134                 }
 135                 if (randomize) {
 136                         player = sp - SHIP(0);
 137                 } else {
 138                         printf("%s\n\n", cc->name);
 139                         foreachship(sp)
 140                                 printf("  %2d:  %-10s %-15s  (%-2d pts)   %s\n",
 141                                         sp->file->index,
 142                                         countryname[sp->nationality],
 143                                         sp->shipname,
 144                                         sp->specs->pts,
 145                                         saywhat(sp, 1));
 146                         printf("\nWhich ship (0-%d)? ", cc->vessels-1);
 147                         fflush(stdout);
 148                         if (scanf("%d", &player) != 1 || player < 0
 149                             || player >= cc->vessels) {
 150                                 while (getchar() != '\n')
 151                                         ;
 152                                 puts("Say what?");
 153                                 player = -1;
 154                         } else
 155                                 while (getchar() != '\n')
 156                                         ;
 157                 }
 158                 if (player < 0)
 159                         continue;
 160                 if (Sync() < 0)
 161                         leave(LEAVE_SYNC);
 162                 fp = SHIP(player)->file;
 163                 if (fp->captain[0] || fp->struck || fp->captured != 0)
 164                         puts("That ship is taken.");
 165                 else
 166                         break;
 167         }
 168
 169         ms = SHIP(player);
 170         mf = ms->file;
 171         mc = ms->specs;
 172
 173         Write(W_BEGIN, ms, 0, 0, 0, 0);
 174         if (Sync() < 0)
 175                 leave(LEAVE_SYNC);
 176
 177         signal(SIGCHLD, (sig_t)child);
 178         if (!hasdriver)
 179                 switch (fork()) {
 180                 case 0:
 181                         longjmp(restart, MODE_DRIVER);
 182                         /*NOTREACHED*/
 183                 case -1:
 184                         perror("fork");
 185                         leave(LEAVE_FORK);
 186                         break;
 187                 default:
 188                         hasdriver++;
 189                 }
 190
 191         printf("Your ship is the %s, a %d gun %s (%s crew).\n",
 192                 ms->shipname, mc->guns, classname[mc->class],
 193                 qualname[mc->qual]);
 194         if ((nameptr = getenv("SAILNAME")) && *nameptr)
 195                 strncpy(captain, nameptr, sizeof captain);
 196         else {
 197                 printf("Your name, Captain? ");
 198                 fflush(stdout);
 199                 fgets(captain, sizeof captain, stdin);
 200                 if (!*captain)
 201                         strcpy(captain, "no name");
 202                 else
 203                         captain[sizeof(captain) - 1] = '\0';
 204         }
 205         Writestr(W_CAPTAIN, ms, captain);
 206         for (n = 0; n < 2; n++) {
 207                 char buf[10];
 208
 209                 printf("\nInitial broadside %s (grape, chain, round, double): ",
 210                         n ? "right" : "left");
 211                 fflush(stdout);
 212                 scanf("%9s", buf);
 213                 switch (*buf) {
 214                 case 'g':
 215                         load = L_GRAPE;
 216                         break;
 217                 case 'c':
 218                         load = L_CHAIN;
 219                         break;
 220                 case 'r':
 221                         load = L_ROUND;
 222                         break;
 223                 case 'd':
 224                         load = L_DOUBLE;
 225                         break;
 226                 default:
 227                         load = L_ROUND;
 228                 }
 229                 if (n) {
 230                         mf->loadR = load;
 231                         mf->readyR = R_LOADED|R_INITIAL;
 232                 } else {
 233                         mf->loadL = load;
 234                         mf->readyL = R_LOADED|R_INITIAL;
 235                 }
 236         }
 237
 238         initscreen();
 239         draw_board();
 240         snprintf(message, sizeof message, "Captain %s assuming command",
 241                  captain);
 242         Writestr(W_SIGNAL, ms, message);
 243         newturn();
 244 }