sail/pl_main.c

   1 /*
   2  * Copyright (c) 1983 Regents of the University of California.
   3  * 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 /*static char sccsid[] = "from: @(#)pl_main.c   5.5 (Berkeley) 2/28/91";*/
  36 static char rcsid[] = "$Id: pl_main.c,v 1.3 1994/01/13 19:22:29 glass Exp $";
  37 #endif /* not lint */
  38
  39 #include "player.h"
  40 #include <sys/types.h>
  41 #include <sys/wait.h>
  42
  43 void choke(), child();
  44
  45 /*ARGSUSED*/
  46 pl_main()
  47 {
  48
  49         if (!SCREENTEST()) {
  50                 printf("Can't sail on this terminal.\n");
  51                 exit(1);
  52         }
  53         initialize();
  54         Signal("Aye aye, Sir", (struct ship *)0);
  55         play();
  56         return 0;                       /* for lint,  play() never returns */
  57 }
  58
  59 initialize()
  60 {
  61         register struct File *fp;
  62         register struct ship *sp;
  63         char captain[80];
  64         char message[60];
  65         int load;
  66         register int n;
  67         char *nameptr;
  68         int nat[NNATION];
  69
  70         if (game < 0) {
  71                 (void) puts("Choose a scenario:\n");
  72                 (void) puts("\n\tNUMBER\tSHIPS\tIN PLAY\tTITLE");
  73                 for (n = 0; n < NSCENE; n++) {
  74                         /* ( */
  75                         printf("\t%d):\t%d\t%s\t%s\n", n, scene[n].vessels,
  76                                 sync_exists(n) ? "YES" : "no",
  77                                 scene[n].name);
  78                 }
  79 reprint:
  80                 printf("\nScenario number? ");
  81                 (void) fflush(stdout);
  82                 (void) scanf("%d", &game);
  83                 while (getchar() != '\n')
  84                         ;
  85         }
  86         if (game < 0 || game >= NSCENE) {
  87                 (void) puts("Very funny.");
  88                 exit(1);
  89         }
  90         cc = &scene[game];
  91         ls = SHIP(cc->vessels);
  92
  93         for (n = 0; n < NNATION; n++)
  94                 nat[n] = 0;
  95         foreachship(sp) {
  96                 if (sp->file == NULL &&
  97                     (sp->file = (struct File *)calloc(1, sizeof (struct File))) == NULL) {
  98                         (void) puts("OUT OF MEMORY");
  99                         exit(1);
 100                 }
 101                 sp->file->index = sp - SHIP(0);
 102                 sp->file->stern = nat[sp->nationality]++;
 103                 sp->file->dir = sp->shipdir;
 104                 sp->file->row = sp->shiprow;
 105                 sp->file->col = sp->shipcol;
 106         }
 107         windspeed = cc->windspeed;
 108         winddir = cc->winddir;
 109
 110         (void) signal(SIGHUP, choke);
 111         (void) signal(SIGINT, choke);
 112
 113         hasdriver = sync_exists(game);
 114         if (sync_open() < 0) {
 115                 perror("sail: syncfile");
 116                 exit(1);
 117         }
 118
 119         if (hasdriver) {
 120                 (void) puts("Synchronizing with the other players...");
 121                 (void) fflush(stdout);
 122                 if (Sync() < 0)
 123                         leave(LEAVE_SYNC);
 124         }
 125         for (;;) {
 126                 foreachship(sp)
 127                         if (sp->file->captain[0] == 0 && !sp->file->struck
 128                             && sp->file->captured == 0)
 129                                 break;
 130                 if (sp >= ls) {
 131                         (void) puts("All ships taken in that scenario.");
 132                         foreachship(sp)
 133                                 free((char *)sp->file);
 134                         sync_close(0);
 135                         people = 0;
 136                         goto reprint;
 137                 }
 138                 if (randomize) {
 139                         player = sp - SHIP(0);
 140                 } else {
 141                         printf("%s\n\n", cc->name);
 142                         foreachship(sp)
 143                                 printf("  %2d:  %-10s %-15s  (%-2d pts)   %s\n",
 144                                         sp->file->index,
 145                                         countryname[sp->nationality],
 146                                         sp->shipname,
 147                                         sp->specs->pts,
 148                                         saywhat(sp, 1));
 149                         printf("\nWhich ship (0-%d)? ", cc->vessels-1);
 150                         (void) fflush(stdout);
 151                         if (scanf("%d", &player) != 1 || player < 0
 152                             || player >= cc->vessels) {
 153                                 while (getchar() != '\n')
 154                                         ;
 155                                 (void) puts("Say what?");
 156                                 player = -1;
 157                         } else
 158                                 while (getchar() != '\n')
 159                                         ;
 160                 }
 161                 if (player < 0)
 162                         continue;
 163                 if (Sync() < 0)
 164                         leave(LEAVE_SYNC);
 165                 fp = SHIP(player)->file;
 166                 if (fp->captain[0] || fp->struck || fp->captured != 0)
 167                         (void) puts("That ship is taken.");
 168                 else
 169                         break;
 170         }
 171
 172         ms = SHIP(player);
 173         mf = ms->file;
 174         mc = ms->specs;
 175
 176         Write(W_BEGIN, ms, 0, 0, 0, 0, 0);
 177         if (Sync() < 0)
 178                 leave(LEAVE_SYNC);
 179
 180         (void) signal(SIGCHLD, child);
 181         if (!hasdriver)
 182                 switch (fork()) {
 183                 case 0:
 184                         longjmp(restart, MODE_DRIVER);
 185                         /*NOTREACHED*/
 186                 case -1:
 187                         perror("fork");
 188                         leave(LEAVE_FORK);
 189                         break;
 190                 default:
 191                         hasdriver++;
 192                 }
 193
 194         printf("Your ship is the %s, a %d gun %s (%s crew).\n",
 195                 ms->shipname, mc->guns, classname[mc->class],
 196                 qualname[mc->qual]);
 197         if ((nameptr = (char *) getenv("SAILNAME")) && *nameptr)
 198                 (void) strncpy(captain, nameptr, sizeof captain);
 199         else {
 200                 (void) printf("Your name, Captain? ");
 201                 (void) fflush(stdout);
 202                 (void) fgets(captain, sizeof captain, stdin);
 203                 if (!*captain)
 204                         (void) strcpy(captain, "no name");
 205                 else
 206                     captain[strlen(captain) - 1] = '\0';
 207         }
 208         captain[sizeof captain - 1] = '\0';
 209         Write(W_CAPTAIN, ms, 1, (int)captain, 0, 0, 0);
 210         for (n = 0; n < 2; n++) {
 211                 char buf[10];
 212
 213                 printf("\nInitial broadside %s (grape, chain, round, double): ",
 214                         n ? "right" : "left");
 215                 (void) fflush(stdout);
 216                 (void) scanf("%s", buf);
 217                 switch (*buf) {
 218                 case 'g':
 219                         load = L_GRAPE;
 220                         break;
 221                 case 'c':
 222                         load = L_CHAIN;
 223                         break;
 224                 case 'r':
 225                         load = L_ROUND;
 226                         break;
 227                 case 'd':
 228                         load = L_DOUBLE;
 229                         break;
 230                 default:
 231                         load = L_ROUND;
 232                 }
 233                 if (n) {
 234                         mf->loadR = load;
 235                         mf->readyR = R_LOADED|R_INITIAL;
 236                 } else {
 237                         mf->loadL = load;
 238                         mf->readyL = R_LOADED|R_INITIAL;
 239                 }
 240         }
 241
 242         initscreen();
 243         draw_board();
 244         (void) sprintf(message, "Captain %s assuming command", captain);
 245         Write(W_SIGNAL, ms, 1, (int)message, 0, 0, 0);
 246         newturn();
 247 }