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  */
  32
  33 #include <sys/types.h>
  34 #include <sys/wait.h>
  35 #include "player.h"
  36
  37 static void initialize(void);
  38
  39 /*ARGSUSED*/
  40 int
  41 pl_main(void)
  42 {
  43
  44         if (!SCREENTEST()) {
  45                 printf("Can't sail on this terminal.\n");
  46                 exit(1);
  47         }
  48         initialize();
  49         Signal("Aye aye, Sir", NULL);
  50         play();
  51         return 0;                       /* for lint,  play() never returns */
  52 }
  53
  54 static void
  55 initialize(void)
  56 {
  57         struct File *fp;
  58         struct ship *sp;
  59         char captain[80];
  60         char message[60];
  61         int load;
  62         int n;
  63         char *nameptr;
  64         int nat[NNATION];
  65
  66         if (game < 0) {
  67                 puts("Choose a scenario:\n");
  68                 puts("\n\tNUMBER\tSHIPS\tIN PLAY\tTITLE");
  69                 for (n = 0; n < NSCENE; n++) {
  70                         /* ( */
  71                         printf("\t%d):\t%d\t%s\t%s\n", n, scene[n].vessels,
  72                                 sync_exists(n) ? "YES" : "no",
  73                                 scene[n].name);
  74                 }
  75 reprint:
  76                 printf("\nScenario number? ");
  77                 fflush(stdout);
  78                 scanf("%d", &game);
  79                 while (getchar() != '\n')
  80                         ;
  81         }
  82         if (game < 0 || game >= NSCENE) {
  83                 puts("Very funny.");
  84                 exit(1);
  85         }
  86         cc = &scene[game];
  87         ls = SHIP(cc->vessels);
  88
  89         for (n = 0; n < NNATION; n++)
  90                 nat[n] = 0;
  91         foreachship(sp) {
  92                 if (sp->file == NULL &&
  93                     (sp->file = calloc(1, sizeof (struct File))) == NULL) {
  94                         puts("OUT OF MEMORY");
  95                         exit(1);
  96                 }
  97                 sp->file->index = sp - SHIP(0);
  98                 sp->file->stern = nat[sp->nationality]++;
  99                 sp->file->dir = sp->shipdir;
 100                 sp->file->row = sp->shiprow;
 101                 sp->file->col = sp->shipcol;
 102         }
 103         windspeed = cc->windspeed;
 104         winddir = cc->winddir;
 105
 106         signal(SIGHUP, choke);
 107         signal(SIGINT, choke);
 108
 109         hasdriver = sync_exists(game);
 110         if (sync_open() < 0) {
 111                 perror("sail: syncfile");
 112                 exit(1);
 113         }
 114
 115         if (hasdriver) {
 116                 puts("Synchronizing with the other players...");
 117                 fflush(stdout);
 118                 if (Sync() < 0)
 119                         leave(LEAVE_SYNC);
 120         }
 121         for (;;) {
 122                 foreachship(sp)
 123                         if (sp->file->captain[0] == 0 && !sp->file->struck
 124                             && sp->file->captured == 0)
 125                                 break;
 126                 if (sp >= ls) {
 127                         puts("All ships taken in that scenario.");
 128                         foreachship(sp)
 129                                 free(sp->file);
 130                         sync_close(0);
 131                         people = 0;
 132                         goto reprint;
 133                 }
 134                 if (randomize) {
 135                         player = sp - SHIP(0);
 136                 } else {
 137                         printf("%s\n\n", cc->name);
 138                         foreachship(sp)
 139                                 printf("  %2d:  %-10s %-15s  (%-2d pts)   %s\n",
 140                                         sp->file->index,
 141                                         countryname[sp->nationality],
 142                                         sp->shipname,
 143                                         sp->specs->pts,
 144                                         saywhat(sp, 1));
 145                         printf("\nWhich ship (0-%d)? ", cc->vessels-1);
 146                         fflush(stdout);
 147                         if (scanf("%d", &player) != 1 || player < 0
 148                             || player >= cc->vessels) {
 149                                 while (getchar() != '\n')
 150                                         ;
 151                                 puts("Say what?");
 152                                 player = -1;
 153                         } else
 154                                 while (getchar() != '\n')
 155                                         ;
 156                 }
 157                 if (player < 0)
 158                         continue;
 159                 if (Sync() < 0)
 160                         leave(LEAVE_SYNC);
 161                 fp = SHIP(player)->file;
 162                 if (fp->captain[0] || fp->struck || fp->captured != 0)
 163                         puts("That ship is taken.");
 164                 else
 165                         break;
 166         }
 167
 168         ms = SHIP(player);
 169         mf = ms->file;
 170         mc = ms->specs;
 171
 172         Write(W_BEGIN, ms, 0, 0, 0, 0);
 173         if (Sync() < 0)
 174                 leave(LEAVE_SYNC);
 175
 176         signal(SIGCHLD, child);
 177         if (!hasdriver)
 178                 switch (fork()) {
 179                 case 0:
 180                         longjmp(restart, MODE_DRIVER);
 181                         /*NOTREACHED*/
 182                 case -1:
 183                         perror("fork");
 184                         leave(LEAVE_FORK);
 185                         break;
 186                 default:
 187                         hasdriver++;
 188                 }
 189
 190         printf("Your ship is the %s, a %d gun %s (%s crew).\n",
 191                 ms->shipname, mc->guns, classname[mc->class],
 192                 qualname[mc->qual]);
 193         if ((nameptr = getenv("SAILNAME")) && *nameptr)
 194                 strncpy(captain, nameptr, sizeof captain);
 195         else {
 196                 printf("Your name, Captain? ");
 197                 fflush(stdout);
 198                 fgets(captain, sizeof captain, stdin);
 199                 if (!*captain)
 200                         strcpy(captain, "no name");
 201                 else
 202                         captain[sizeof(captain) - 1] = '\0';
 203         }
 204         Writestr(W_CAPTAIN, ms, captain);
 205         for (n = 0; n < 2; n++) {
 206                 char buf[10];
 207
 208                 printf("\nInitial broadside %s (grape, chain, round, double): ",
 209                         n ? "right" : "left");
 210                 fflush(stdout);
 211                 scanf("%9s", buf);
 212                 switch (*buf) {
 213                 case 'g':
 214                         load = L_GRAPE;
 215                         break;
 216                 case 'c':
 217                         load = L_CHAIN;
 218                         break;
 219                 case 'r':
 220                         load = L_ROUND;
 221                         break;
 222                 case 'd':
 223                         load = L_DOUBLE;
 224                         break;
 225                 default:
 226                         load = L_ROUND;
 227                 }
 228                 if (n) {
 229                         mf->loadR = load;
 230                         mf->readyR = R_LOADED|R_INITIAL;
 231                 } else {
 232                         mf->loadL = load;
 233                         mf->readyL = R_LOADED|R_INITIAL;
 234                 }
 235         }
 236
 237         initscreen();
 238         draw_board();
 239         snprintf(message, sizeof message, "Captain %s assuming command",
 240                  captain);
 241         Writestr(W_SIGNAL, ms, message);
 242         newturn(0);
 243 }