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. All advertising materials mentioning features or use of this software
  14  *    must display the following acknowledgement:
  15  *      This product includes software developed by the University of
  16  *      California, Berkeley and its contributors.
  17  * 4. Neither the name of the University nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  *
  33  * @(#)pl_main.c        8.1 (Berkeley) 5/31/93
  34  * $FreeBSD: src/games/sail/pl_main.c,v 1.6 1999/11/30 03:49:38 billf Exp $
  35  * $DragonFly: src/games/sail/pl_main.c,v 1.2 2003/06/17 04:25:25 dillon Exp $
  36  */
  37
  38 #include "player.h"
  39 #include <sys/types.h>
  40 #include <sys/wait.h>
  41
  42 void choke(), child();
  43
  44 /*ARGSUSED*/
  45 pl_main()
  46 {
  47
  48         if (!SCREENTEST()) {
  49                 printf("Can't sail on this terminal.\n");
  50                 exit(1);
  51         }
  52         initialize();
  53         Signal("Aye aye, Sir", (struct ship *)0);
  54         play();
  55         return 0;                       /* for lint,  play() never returns */
  56 }
  57
  58 initialize()
  59 {
  60         register struct File *fp;
  61         register struct ship *sp;
  62         char captain[80];
  63         char message[60];
  64         int load;
  65         register int n;
  66         char *nameptr;
  67         int nat[NNATION];
  68
  69         if (game < 0) {
  70                 (void) puts("Choose a scenario:\n");
  71                 (void) puts("\n\tNUMBER\tSHIPS\tIN PLAY\tTITLE");
  72                 for (n = 0; n < NSCENE; n++) {
  73                         /* ( */
  74                         printf("\t%d):\t%d\t%s\t%s\n", n, scene[n].vessels,
  75                                 sync_exists(n) ? "YES" : "no",
  76                                 scene[n].name);
  77                 }
  78 reprint:
  79                 printf("\nScenario number? ");
  80                 (void) fflush(stdout);
  81                 (void) scanf("%d", &game);
  82                 while (getchar() != '\n')
  83                         ;
  84         }
  85         if (game < 0 || game >= NSCENE) {
  86                 (void) puts("Very funny.");
  87                 exit(1);
  88         }
  89         cc = &scene[game];
  90         ls = SHIP(cc->vessels);
  91
  92         for (n = 0; n < NNATION; n++)
  93                 nat[n] = 0;
  94         foreachship(sp) {
  95                 if (sp->file == NULL &&
  96                     (sp->file = (struct File *)calloc(1, sizeof (struct File))) == NULL) {
  97                         (void) puts("OUT OF MEMORY");
  98                         exit(1);
  99                 }
 100                 sp->file->index = sp - SHIP(0);
 101                 sp->file->stern = nat[sp->nationality]++;
 102                 sp->file->dir = sp->shipdir;
 103                 sp->file->row = sp->shiprow;
 104                 sp->file->col = sp->shipcol;
 105         }
 106         windspeed = cc->windspeed;
 107         winddir = cc->winddir;
 108
 109         (void) signal(SIGHUP, choke);
 110         (void) signal(SIGINT, choke);
 111
 112         hasdriver = sync_exists(game);
 113         if (sync_open() < 0) {
 114                 perror("sail: syncfile");
 115                 exit(1);
 116         }
 117
 118         if (hasdriver) {
 119                 (void) puts("Synchronizing with the other players...");
 120                 (void) fflush(stdout);
 121                 if (Sync() < 0)
 122                         leave(LEAVE_SYNC);
 123         }
 124         for (;;) {
 125                 foreachship(sp)
 126                         if (sp->file->captain[0] == 0 && !sp->file->struck
 127                             && sp->file->captured == 0)
 128                                 break;
 129                 if (sp >= ls) {
 130                         (void) puts("All ships taken in that scenario.");
 131                         foreachship(sp)
 132                                 free((char *)sp->file);
 133                         sync_close(0);
 134                         people = 0;
 135                         goto reprint;
 136                 }
 137                 if (randomize) {
 138                         player = sp - SHIP(0);
 139                 } else {
 140                         printf("%s\n\n", cc->name);
 141                         foreachship(sp)
 142                                 printf("  %2d:  %-10s %-15s  (%-2d pts)   %s\n",
 143                                         sp->file->index,
 144                                         countryname[sp->nationality],
 145                                         sp->shipname,
 146                                         sp->specs->pts,
 147                                         saywhat(sp, 1));
 148                         printf("\nWhich ship (0-%d)? ", cc->vessels-1);
 149                         (void) fflush(stdout);
 150                         if (scanf("%d", &player) != 1 || player < 0
 151                             || player >= cc->vessels) {
 152                                 while (getchar() != '\n')
 153                                         ;
 154                                 (void) puts("Say what?");
 155                                 player = -1;
 156                         } else
 157                                 while (getchar() != '\n')
 158                                         ;
 159                 }
 160                 if (player < 0)
 161                         continue;
 162                 if (Sync() < 0)
 163                         leave(LEAVE_SYNC);
 164                 fp = SHIP(player)->file;
 165                 if (fp->captain[0] || fp->struck || fp->captured != 0)
 166                         (void) puts("That ship is taken.");
 167                 else
 168                         break;
 169         }
 170
 171         ms = SHIP(player);
 172         mf = ms->file;
 173         mc = ms->specs;
 174
 175         Write(W_BEGIN, ms, 0, 0, 0, 0, 0);
 176         if (Sync() < 0)
 177                 leave(LEAVE_SYNC);
 178
 179         (void) signal(SIGCHLD, child);
 180         if (!hasdriver)
 181                 switch (fork()) {
 182                 case 0:
 183                         longjmp(restart, MODE_DRIVER);
 184                         /*NOTREACHED*/
 185                 case -1:
 186                         perror("fork");
 187                         leave(LEAVE_FORK);
 188                         break;
 189                 default:
 190                         hasdriver++;
 191                 }
 192
 193         printf("Your ship is the %s, a %d gun %s (%s crew).\n",
 194                 ms->shipname, mc->guns, classname[mc->class],
 195                 qualname[mc->qual]);
 196         if ((nameptr = (char *) getenv("SAILNAME")) && *nameptr)
 197                 (void) strncpy(captain, nameptr, sizeof captain);
 198         else {
 199                 (void) printf("Your name, Captain? ");
 200                 (void) fflush(stdout);
 201                 (void) fgets(captain, sizeof captain, stdin);
 202                 if (!*captain)
 203                         (void) strcpy(captain, "no name");
 204                 else
 205                         captain[sizeof(captain) - 1] = '\0';
 206         }
 207         Write(W_CAPTAIN, ms, 1, (long)captain, 0, 0, 0);
 208         for (n = 0; n < 2; n++) {
 209                 char buf[10];
 210
 211                 printf("\nInitial broadside %s (grape, chain, round, double): ",
 212                         n ? "right" : "left");
 213                 (void) fflush(stdout);
 214                 (void) scanf("%9s", buf);
 215                 switch (*buf) {
 216                 case 'g':
 217                         load = L_GRAPE;
 218                         break;
 219                 case 'c':
 220                         load = L_CHAIN;
 221                         break;
 222                 case 'r':
 223                         load = L_ROUND;
 224                         break;
 225                 case 'd':
 226                         load = L_DOUBLE;
 227                         break;
 228                 default:
 229                         load = L_ROUND;
 230                 }
 231                 if (n) {
 232                         mf->loadR = load;
 233                         mf->readyR = R_LOADED|R_INITIAL;
 234                 } else {
 235                         mf->loadL = load;
 236                         mf->readyL = R_LOADED|R_INITIAL;
 237                 }
 238         }
 239
 240         initscreen();
 241         draw_board();
 242         (void) sprintf(message, "Captain %s assuming command", captain);
 243         Write(W_SIGNAL, ms, 1, (long)message, 0, 0, 0);
 244         newturn();
 245 }