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
  34 #ifndef lint
  35 #if 0
  36 static char sccsid[] = "@(#)pl_main.c   8.1 (Berkeley) 5/31/93";
  37 #endif
  38 static const char rcsid[] =
  39  "$FreeBSD: src/games/sail/pl_main.c,v 1.6 1999/11/30 03:49:38 billf Exp $";
  40 #endif /* not lint */
  41
  42 #include "player.h"
  43 #include <sys/types.h>
  44 #include <sys/wait.h>
  45
  46 void choke(), child();
  47
  48 /*ARGSUSED*/
  49 pl_main()
  50 {
  51
  52         if (!SCREENTEST()) {
  53                 printf("Can't sail on this terminal.\n");
  54                 exit(1);
  55         }
  56         initialize();
  57         Signal("Aye aye, Sir", (struct ship *)0);
  58         play();
  59         return 0;                       /* for lint,  play() never returns */
  60 }
  61
  62 initialize()
  63 {
  64         register struct File *fp;
  65         register struct ship *sp;
  66         char captain[80];
  67         char message[60];
  68         int load;
  69         register int n;
  70         char *nameptr;
  71         int nat[NNATION];
  72
  73         if (game < 0) {
  74                 (void) puts("Choose a scenario:\n");
  75                 (void) puts("\n\tNUMBER\tSHIPS\tIN PLAY\tTITLE");
  76                 for (n = 0; n < NSCENE; n++) {
  77                         /* ( */
  78                         printf("\t%d):\t%d\t%s\t%s\n", n, scene[n].vessels,
  79                                 sync_exists(n) ? "YES" : "no",
  80                                 scene[n].name);
  81                 }
  82 reprint:
  83                 printf("\nScenario number? ");
  84                 (void) fflush(stdout);
  85                 (void) scanf("%d", &game);
  86                 while (getchar() != '\n')
  87                         ;
  88         }
  89         if (game < 0 || game >= NSCENE) {
  90                 (void) puts("Very funny.");
  91                 exit(1);
  92         }
  93         cc = &scene[game];
  94         ls = SHIP(cc->vessels);
  95
  96         for (n = 0; n < NNATION; n++)
  97                 nat[n] = 0;
  98         foreachship(sp) {
  99                 if (sp->file == NULL &&
 100                     (sp->file = (struct File *)calloc(1, sizeof (struct File))) == NULL) {
 101                         (void) puts("OUT OF MEMORY");
 102                         exit(1);
 103                 }
 104                 sp->file->index = sp - SHIP(0);
 105                 sp->file->stern = nat[sp->nationality]++;
 106                 sp->file->dir = sp->shipdir;
 107                 sp->file->row = sp->shiprow;
 108                 sp->file->col = sp->shipcol;
 109         }
 110         windspeed = cc->windspeed;
 111         winddir = cc->winddir;
 112
 113         (void) signal(SIGHUP, choke);
 114         (void) signal(SIGINT, choke);
 115
 116         hasdriver = sync_exists(game);
 117         if (sync_open() < 0) {
 118                 perror("sail: syncfile");
 119                 exit(1);
 120         }
 121
 122         if (hasdriver) {
 123                 (void) puts("Synchronizing with the other players...");
 124                 (void) fflush(stdout);
 125                 if (Sync() < 0)
 126                         leave(LEAVE_SYNC);
 127         }
 128         for (;;) {
 129                 foreachship(sp)
 130                         if (sp->file->captain[0] == 0 && !sp->file->struck
 131                             && sp->file->captured == 0)
 132                                 break;
 133                 if (sp >= ls) {
 134                         (void) puts("All ships taken in that scenario.");
 135                         foreachship(sp)
 136                                 free((char *)sp->file);
 137                         sync_close(0);
 138                         people = 0;
 139                         goto reprint;
 140                 }
 141                 if (randomize) {
 142                         player = sp - SHIP(0);
 143                 } else {
 144                         printf("%s\n\n", cc->name);
 145                         foreachship(sp)
 146                                 printf("  %2d:  %-10s %-15s  (%-2d pts)   %s\n",
 147                                         sp->file->index,
 148                                         countryname[sp->nationality],
 149                                         sp->shipname,
 150                                         sp->specs->pts,
 151                                         saywhat(sp, 1));
 152                         printf("\nWhich ship (0-%d)? ", cc->vessels-1);
 153                         (void) fflush(stdout);
 154                         if (scanf("%d", &player) != 1 || player < 0
 155                             || player >= cc->vessels) {
 156                                 while (getchar() != '\n')
 157                                         ;
 158                                 (void) puts("Say what?");
 159                                 player = -1;
 160                         } else
 161                                 while (getchar() != '\n')
 162                                         ;
 163                 }
 164                 if (player < 0)
 165                         continue;
 166                 if (Sync() < 0)
 167                         leave(LEAVE_SYNC);
 168                 fp = SHIP(player)->file;
 169                 if (fp->captain[0] || fp->struck || fp->captured != 0)
 170                         (void) puts("That ship is taken.");
 171                 else
 172                         break;
 173         }
 174
 175         ms = SHIP(player);
 176         mf = ms->file;
 177         mc = ms->specs;
 178
 179         Write(W_BEGIN, ms, 0, 0, 0, 0, 0);
 180         if (Sync() < 0)
 181                 leave(LEAVE_SYNC);
 182
 183         (void) signal(SIGCHLD, child);
 184         if (!hasdriver)
 185                 switch (fork()) {
 186                 case 0:
 187                         longjmp(restart, MODE_DRIVER);
 188                         /*NOTREACHED*/
 189                 case -1:
 190                         perror("fork");
 191                         leave(LEAVE_FORK);
 192                         break;
 193                 default:
 194                         hasdriver++;
 195                 }
 196
 197         printf("Your ship is the %s, a %d gun %s (%s crew).\n",
 198                 ms->shipname, mc->guns, classname[mc->class],
 199                 qualname[mc->qual]);
 200         if ((nameptr = (char *) getenv("SAILNAME")) && *nameptr)
 201                 (void) strncpy(captain, nameptr, sizeof captain);
 202         else {
 203                 (void) printf("Your name, Captain? ");
 204                 (void) fflush(stdout);
 205                 (void) fgets(captain, sizeof captain, stdin);
 206                 if (!*captain)
 207                         (void) strcpy(captain, "no name");
 208                 else
 209                         captain[sizeof(captain) - 1] = '\0';
 210         }
 211         Write(W_CAPTAIN, ms, 1, (long)captain, 0, 0, 0);
 212         for (n = 0; n < 2; n++) {
 213                 char buf[10];
 214
 215                 printf("\nInitial broadside %s (grape, chain, round, double): ",
 216                         n ? "right" : "left");
 217                 (void) fflush(stdout);
 218                 (void) scanf("%9s", buf);
 219                 switch (*buf) {
 220                 case 'g':
 221                         load = L_GRAPE;
 222                         break;
 223                 case 'c':
 224                         load = L_CHAIN;
 225                         break;
 226                 case 'r':
 227                         load = L_ROUND;
 228                         break;
 229                 case 'd':
 230                         load = L_DOUBLE;
 231                         break;
 232                 default:
 233                         load = L_ROUND;
 234                 }
 235                 if (n) {
 236                         mf->loadR = load;
 237                         mf->readyR = R_LOADED|R_INITIAL;
 238                 } else {
 239                         mf->loadL = load;
 240                         mf->readyL = R_LOADED|R_INITIAL;
 241                 }
 242         }
 243
 244         initscreen();
 245         draw_board();
 246         (void) sprintf(message, "Captain %s assuming command", captain);
 247         Write(W_SIGNAL, ms, 1, (long)message, 0, 0, 0);
 248         newturn();
 249 }