trek/play.c

   1 /*      $NetBSD: play.c,v 1.7 2001/02/05 01:12:46 christos Exp $        */
   2
   3 /*
   4  * Copyright (c) 1980, 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[] = "@(#)play.c      8.1 (Berkeley) 5/31/93";
  40 #else
  41 __RCSID("$NetBSD: play.c,v 1.7 2001/02/05 01:12:46 christos Exp $");
  42 #endif
  43 #endif /* not lint */
  44
  45 #include <stdio.h>
  46 #include <setjmp.h>
  47 #include "trek.h"
  48 #include "getpar.h"
  49
  50 /*
  51 **  INSTRUCTION READ AND MAIN PLAY LOOP
  52 **
  53 **      Well folks, this is it.  Here we have the guts of the game.
  54 **      This routine executes moves.  It sets up per-move variables,
  55 **      gets the command, and executes the command.  After the command,
  56 **      it calls events() to use up time, attack() to have Klingons
  57 **      attack if the move was not free, and checkcond() to check up
  58 **      on how we are doing after the move.
  59 */
  60
  61 extern jmp_buf env;
  62
  63 const struct cvntab     Comtab[] =
  64 {
  65         { "abandon",            "",             abandon,        0 },
  66         { "ca",                 "pture",        capture,        0 },
  67         { "cl",                 "oak",          shield,         -1 },
  68         { "c",                  "omputer",      computer,       0 },
  69         { "da",                 "mages",        dcrept,         0 },
  70         { "destruct",           "",             destruct,       0 },
  71         { "do",                 "ck",           dock,           0 },
  72         { "help",               "",             help,           0 },
  73         { "i",                  "mpulse",       impulse,        0 },
  74         { "l",                  "rscan",        lrscan,         0 },
  75         { "m",                  "ove",          dowarp,         0 },
  76         { "p",                  "hasers",       phaser,         0 },
  77         { "ram",                "",             dowarp,         1 },
  78         { "dump",               "",             dumpgame,       0 },
  79         { "r",                  "est",          rest,           0 },
  80         { "sh",                 "ield",         shield,         0 },
  81         { "s",                  "rscan",        srscan,         0 },
  82         { "st",                 "atus",         srscan,         -1 },
  83         { "terminate",          "",             myreset,        0 },
  84         { "t",                  "orpedo",       torped,         0 },
  85         { "u",                  "ndock",        undock,         0 },
  86         { "v",                  "isual",        visual,         0 },
  87         { "w",                  "arp",          setwarp,        0 },
  88         { NULL,                 NULL,           NULL,           0 }
  89 };
  90
  91 /*ARGSUSED*/
  92 void
  93 myreset(v)
  94         int v __attribute__((__unused__));
  95 {
  96
  97         longjmp(env, 1);
  98 }
  99
 100 void
 101 play()
 102 {
 103         const struct cvntab             *r;
 104
 105         while (1)
 106         {
 107                 Move.free = 1;
 108                 Move.time = 0.0;
 109                 Move.shldchg = 0;
 110                 Move.newquad = 0;
 111                 Move.resting = 0;
 112                 skiptonl(0);
 113                 r = getcodpar("\nCommand", Comtab);
 114                 (*r->value)(r->value2);
 115                 events(0);
 116                 attack(0);
 117                 checkcond();
 118         }
 119 }