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 void
  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 }
  52
  53 static void
  54 initialize(void)
  55 {
  56         struct File *fp;
  57         struct ship *sp;
  58         char captain[20];
  59         char message[60];
  60         int load;
  61         int n;
  62         char *nameptr;
  63         int nat[NNATION];
  64
  65         if (game < 0) {
  66                 puts("Choose a scenario:\n");
  67                 puts("\n\tNUMBER\tSHIPS\tIN PLAY\tTITLE");
  68                 for (n = 0; n < NSCENE; n++) {
  69                         /* ( */
  70                         printf("\t%d):\t%d\t%s\t%s\n", n, scene[n].vessels,
  71                                 sync_exists(n) ? "YES" : "no",
  72                                 scene[n].name);
  73                 }
  74 reprint:
  75                 printf("\nScenario number? ");
  76                 fflush(stdout);
  77                 scanf("%d", &game);
  78                 while (getchar() != '\n' && !feof(stdin))
  79                         ;
  80         }
  81         if (game < 0 || game >= NSCENE) {
  82                 puts("Very funny.");
  83                 exit(1);
  84         }
  85         cc = &scene[game];
  86         ls = SHIP(cc->vessels);
  87
  88         for (n = 0; n < NNATION; n++)
  89                 nat[n] = 0;
  90         foreachship(sp) {
  91                 if (sp->file == NULL &&
  92                     (sp->file = calloc(1, sizeof (struct File))) == NULL) {
  93                         puts("OUT OF MEMORY");
  94                         exit(1);
  95                 }
  96                 sp->file->index = sp - SHIP(0);
  97                 sp->file->stern = nat[sp->nationality]++;
  98                 sp->file->dir = sp->shipdir;
  99                 sp->file->row = sp->shiprow;
 100                 sp->file->col = sp->shipcol;
 101         }
 102         windspeed = cc->windspeed;
 103         winddir = cc->winddir;
 104
 105         signal(SIGHUP, choke);
 106         signal(SIGINT, choke);
 107
 108         hasdriver = sync_exists(game);
 109         if (sync_open() < 0) {
 110                 perror("sail: syncfile");
 111                 exit(1);
 112         }
 113
 114         if (hasdriver) {
 115                 puts("Synchronizing with the other players...");
 116                 fflush(stdout);
 117                 if (Sync() < 0)
 118                         leave(LEAVE_SYNC);
 119         }
 120         for (;;) {
 121                 foreachship(sp)
 122                         if (sp->file->captain[0] == 0 && !sp->file->struck
 123                             && sp->file->captured == 0)
 124                                 break;
 125                 if (sp >= ls) {
 126                         puts("All ships taken in that scenario.");
 127                         foreachship(sp)
 128                                 free(sp->file);
 129                         sync_close(0);
 130                         people = 0;
 131                         goto reprint;
 132                 }
 133                 if (randomize) {
 134                         player = sp - SHIP(0);
 135                 } else {
 136                         printf("%s\n\n", cc->name);
 137                         foreachship(sp)
 138                                 printf("  %2d:  %-10s %-15s  (%-2d pts)   %s\n",
 139                                         sp->file->index,
 140                                         countryname[sp->nationality],
 141                                         sp->shipname,
 142                                         sp->specs->pts,
 143                                         saywhat(sp, 1));
 144                         printf("\nWhich ship (0-%d)? ", cc->vessels-1);
 145                         fflush(stdout);
 146                         if (scanf("%d", &player) != 1 || player < 0
 147                             || player >= cc->vessels) {
 148                                 while (getchar() != '\n')
 149                                         ;
 150                                 puts("Say what?");
 151                                 player = -1;
 152                         } else
 153                                 while (getchar() != '\n')
 154                                         ;
 155                 }
 156                 if (player < 0)
 157                         continue;
 158                 if (Sync() < 0)
 159                         leave(LEAVE_SYNC);
 160                 fp = SHIP(player)->file;
 161                 if (fp->captain[0] || fp->struck || fp->captured != 0)
 162                         puts("That ship is taken.");
 163                 else
 164                         break;
 165         }
 166
 167         ms = SHIP(player);
 168         mf = ms->file;
 169         mc = ms->specs;
 170
 171         Write(W_BEGIN, ms, 0, 0, 0, 0);
 172         if (Sync() < 0)
 173                 leave(LEAVE_SYNC);
 174
 175         signal(SIGCHLD, child);
 176         if (!hasdriver)
 177                 switch (fork()) {
 178                 case 0:
 179                         longjmp(restart, MODE_DRIVER);
 180                         /*NOTREACHED*/
 181                 case -1:
 182                         perror("fork");
 183                         leave(LEAVE_FORK);
 184                         break;
 185                 default:
 186                         hasdriver++;
 187                 }
 188
 189         printf("Your ship is the %s, a %d gun %s (%s crew).\n",
 190                 ms->shipname, mc->guns, classname[mc->class],
 191                 qualname[mc->qual]);
 192         if ((nameptr = getenv("SAILNAME")) && *nameptr)
 193                 strncpy(captain, nameptr, sizeof captain);
 194         else {
 195                 printf("Your name, Captain? ");
 196                 fflush(stdout);
 197                 fgets(captain, sizeof captain, stdin);
 198                 if (!*captain)
 199                         strcpy(captain, "no name");
 200                 else
 201                         captain[sizeof(captain) - 1] = '\0';
 202         }
 203         Writestr(W_CAPTAIN, ms, captain);
 204         for (n = 0; n < 2; n++) {
 205                 char buf[10];
 206
 207                 printf("\nInitial broadside %s (grape, chain, round, double): ",
 208                         n ? "right" : "left");
 209                 fflush(stdout);
 210                 scanf("%9s", buf);
 211                 switch (*buf) {
 212                 case 'g':
 213                         load = L_GRAPE;
 214                         break;
 215                 case 'c':
 216                         load = L_CHAIN;
 217                         break;
 218                 case 'r':
 219                         load = L_ROUND;
 220                         break;
 221                 case 'd':
 222                         load = L_DOUBLE;
 223                         break;
 224                 default:
 225                         load = L_ROUND;
 226                 }
 227                 if (n) {
 228                         mf->loadR = load;
 229                         mf->readyR = R_LOADED|R_INITIAL;
 230                 } else {
 231                         mf->loadL = load;
 232                         mf->readyL = R_LOADED|R_INITIAL;
 233                 }
 234         }
 235
 236         initscreen();
 237         draw_board();
 238         snprintf(message, sizeof message, "Captain %s assuming command",
 239                  captain);
 240         Writestr(W_SIGNAL, ms, message);
 241         newturn(0);
 242 }