sail/pl_main.c

   1 /*      $NetBSD: pl_main.c,v 1.6 1997/10/13 19:45:48 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 1.6 1997/10/13 19:45:48 christos Exp $");
  42 #endif
  43 #endif /* not lint */
  44
  45 #include "player.h"
  46 #include <sys/types.h>
  47 #include <sys/wait.h>
  48 #include <stdlib.h>
  49 #include <unistd.h>
  50
  51 /*ARGSUSED*/
  52 int
  53 pl_main()
  54 {
  55
  56         if (!SCREENTEST()) {
  57                 printf("Can't sail on this terminal.\n");
  58                 exit(1);
  59         }
  60         initialize();
  61         Msg("Aye aye, Sir");
  62         play();
  63         return 0;                       /* for lint,  play() never returns */
  64 }
  65
  66 void
  67 initialize()
  68 {
  69         register struct File *fp;
  70         register struct ship *sp;
  71         char captain[80];
  72         char message[60];
  73         int load;
  74         register int n;
  75         char *nameptr;
  76         int nat[NNATION];
  77
  78         if (game < 0) {
  79                 (void) puts("Choose a scenario:\n");
  80                 (void) puts("\n\tNUMBER\tSHIPS\tIN PLAY\tTITLE");
  81                 for (n = 0; n < NSCENE; n++) {
  82                         /* ( */
  83                         printf("\t%d):\t%d\t%s\t%s\n", n, scene[n].vessels,
  84                                 sync_exists(n) ? "YES" : "no",
  85                                 scene[n].name);
  86                 }
  87 reprint:
  88                 printf("\nScenario number? ");
  89                 (void) fflush(stdout);
  90                 (void) scanf("%d", &game);
  91                 while (getchar() != '\n')
  92                         ;
  93         }
  94         if (game < 0 || game >= NSCENE) {
  95                 (void) puts("Very funny.");
  96                 exit(1);
  97         }
  98         cc = &scene[game];
  99         ls = SHIP(cc->vessels);
 100
 101         for (n = 0; n < NNATION; n++)
 102                 nat[n] = 0;
 103         foreachship(sp) {
 104                 if (sp->file == NULL &&
 105                     (sp->file = (struct File *)calloc(1, sizeof (struct File))) == NULL) {
 106                         (void) puts("OUT OF MEMORY");
 107                         exit(1);
 108                 }
 109                 sp->file->index = sp - SHIP(0);
 110                 sp->file->stern = nat[sp->nationality]++;
 111                 sp->file->dir = sp->shipdir;
 112                 sp->file->row = sp->shiprow;
 113                 sp->file->col = sp->shipcol;
 114         }
 115         windspeed = cc->windspeed;
 116         winddir = cc->winddir;
 117
 118         (void) signal(SIGHUP, choke);
 119         (void) signal(SIGINT, choke);
 120
 121         hasdriver = sync_exists(game);
 122         if (sync_open() < 0) {
 123                 perror("sail: syncfile");
 124                 exit(1);
 125         }
 126
 127         if (hasdriver) {
 128                 (void) puts("Synchronizing with the other players...");
 129                 (void) fflush(stdout);
 130                 if (Sync() < 0)
 131                         leave(LEAVE_SYNC);
 132         }
 133         for (;;) {
 134                 foreachship(sp)
 135                         if (sp->file->captain[0] == 0 && !sp->file->struck
 136                             && sp->file->captured == 0)
 137                                 break;
 138                 if (sp >= ls) {
 139                         (void) puts("All ships taken in that scenario.");
 140                         foreachship(sp)
 141                                 free((char *)sp->file);
 142                         sync_close(0);
 143                         people = 0;
 144                         goto reprint;
 145                 }
 146                 if (randomize) {
 147                         player = sp - SHIP(0);
 148                 } else {
 149                         printf("%s\n\n", cc->name);
 150                         foreachship(sp)
 151                                 printf("  %2d:  %-10s %-15s  (%-2d pts)   %s\n",
 152                                         sp->file->index,
 153                                         countryname[sp->nationality],
 154                                         sp->shipname,
 155                                         sp->specs->pts,
 156                                         saywhat(sp, 1));
 157                         printf("\nWhich ship (0-%d)? ", cc->vessels-1);
 158                         (void) fflush(stdout);
 159                         if (scanf("%d", &player) != 1 || player < 0
 160                             || player >= cc->vessels) {
 161                                 while (getchar() != '\n')
 162                                         ;
 163                                 (void) puts("Say what?");
 164                                 player = -1;
 165                         } else
 166                                 while (getchar() != '\n')
 167                                         ;
 168                 }
 169                 if (player < 0)
 170                         continue;
 171                 if (Sync() < 0)
 172                         leave(LEAVE_SYNC);
 173                 fp = SHIP(player)->file;
 174                 if (fp->captain[0] || fp->struck || fp->captured != 0)
 175                         (void) puts("That ship is taken.");
 176                 else
 177                         break;
 178         }
 179
 180         ms = SHIP(player);
 181         mf = ms->file;
 182         mc = ms->specs;
 183
 184         Write(W_BEGIN, ms, 0, 0, 0, 0, 0);
 185         if (Sync() < 0)
 186                 leave(LEAVE_SYNC);
 187
 188         (void) signal(SIGCHLD, child);
 189         if (!hasdriver)
 190                 switch (fork()) {
 191                 case 0:
 192                         longjmp(restart, MODE_DRIVER);
 193                         /*NOTREACHED*/
 194                 case -1:
 195                         perror("fork");
 196                         leave(LEAVE_FORK);
 197                         break;
 198                 default:
 199                         hasdriver++;
 200                 }
 201
 202         printf("Your ship is the %s, a %d gun %s (%s crew).\n",
 203                 ms->shipname, mc->guns, classname[mc->class],
 204                 qualname[mc->qual]);
 205         if ((nameptr = (char *) getenv("SAILNAME")) && *nameptr)
 206                 (void) strncpy(captain, nameptr, sizeof captain);
 207         else {
 208                 (void) printf("Your name, Captain? ");
 209                 (void) fflush(stdout);
 210                 (void) fgets(captain, sizeof captain, stdin);
 211                 if (!*captain)
 212                         (void) strcpy(captain, "no name");
 213                 else
 214                     captain[strlen(captain) - 1] = '\0';
 215         }
 216         captain[sizeof captain - 1] = '\0';
 217         Write(W_CAPTAIN, ms, 1, (long)captain, 0, 0, 0);
 218         for (n = 0; n < 2; n++) {
 219                 char buf[10];
 220
 221                 printf("\nInitial broadside %s (grape, chain, round, double): ",
 222                         n ? "right" : "left");
 223                 (void) fflush(stdout);
 224                 (void) scanf("%s", buf);
 225                 switch (*buf) {
 226                 case 'g':
 227                         load = L_GRAPE;
 228                         break;
 229                 case 'c':
 230                         load = L_CHAIN;
 231                         break;
 232                 case 'r':
 233                         load = L_ROUND;
 234                         break;
 235                 case 'd':
 236                         load = L_DOUBLE;
 237                         break;
 238                 default:
 239                         load = L_ROUND;
 240                 }
 241                 if (n) {
 242                         mf->loadR = load;
 243                         mf->readyR = R_LOADED|R_INITIAL;
 244                 } else {
 245                         mf->loadL = load;
 246                         mf->readyL = R_LOADED|R_INITIAL;
 247                 }
 248         }
 249
 250         initscreen();
 251         draw_board();
 252         (void) sprintf(message, "Captain %s assuming command", captain);
 253         Write(W_SIGNAL, ms, 1, (long)message, 0, 0, 0);
 254         newturn(0);
 255 }