BSD 4_4 release

[unix-history] / usr / src / games / trek / play.c

/*
* Copyright (c) 1980, 1993
*      The Regents of the University of California.  All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
*    must display the following acknowledgement:
*      This product includes software developed by the University of
*      California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
*    may be used to endorse or promote products derived from this software
*    without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/

#ifndef lint
static char sccsid[] = "@(#)play.c      8.1 (Berkeley) 5/31/93";
#endif /* not lint */

# include       "trek.h"
# include       "getpar.h"
# include       <setjmp.h>

/*
**  INSTRUCTION READ AND MAIN PLAY LOOP
**
**      Well folks, this is it.  Here we have the guts of the game.
**      This routine executes moves.  It sets up per-move variables,
**      gets the command, and executes the command.  After the command,
**      it calls events() to use up time, attack() to have Klingons
**      attack if the move was not free, and checkcond() to check up
**      on how we are doing after the move.
*/
extern int      abandon(), capture(), shield(), computer(), dcrept(),
               destruct(), dock(), help(), impulse(), lrscan(),
               warp(), dumpgame(), rest(), srscan(),
               myreset(), torped(), visual(), setwarp(), undock(), phaser();

struct cvntab   Comtab[] =
{
       "abandon",              "",                     abandon,        0,
       "ca",                   "pture",                capture,        0,
       "cl",                   "oak",                  shield, -1,
       "c",                    "omputer",              computer,       0,
       "da",                   "mages",                dcrept, 0,
       "destruct",             "",                     destruct,       0,
       "do",                   "ck",                   dock,           0,
       "help",                 "",                     help,           0,
       "i",                    "mpulse",               impulse,        0,
       "l",                    "rscan",                lrscan, 0,
       "m",                    "ove",                  warp,           0,
       "p",                    "hasers",               phaser, 0,
       "ram",                  "",                     warp,           1,
       "dump",                 "",                     dumpgame,       0,
       "r",                    "est",                  rest,           0,
       "sh",                   "ield",                 shield, 0,
       "s",                    "rscan",                srscan, 0,
       "st",                   "atus",                 srscan, -1,
       "terminate",            "",                     myreset,        0,
       "t",                    "orpedo",               torped, 0,
       "u",                    "ndock",                undock, 0,
       "v",                    "isual",                visual, 0,
       "w",                    "arp",                  setwarp,        0,
       0
};

myreset()
{
       extern jmp_buf env;

       longjmp(env, 1);
}

play()
{
       struct cvntab           *r;

       while (1)
       {
               Move.free = 1;
               Move.time = 0.0;
               Move.shldchg = 0;
               Move.newquad = 0;
               Move.resting = 0;
               skiptonl(0);
               r = getcodpar("\nCommand", Comtab);
               (*r->value)(r->value2);
               events(0);
               attack(0);
               checkcond();
       }
}