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play.c revision 1.3 
      1 /*	$NetBSD: play.c,v 1.3 1995/04/22 10:59:18 cgd 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 #ifndef lint
     37 #if 0
     38 static char sccsid[] = "@(#)play.c	8.1 (Berkeley) 5/31/93";
     39 #else
     40 static char rcsid[] = "$NetBSD: play.c,v 1.3 1995/04/22 10:59:18 cgd Exp $";
     41 #endif
     42 #endif /* not lint */
     43 
     44 # include	"trek.h"
     45 # include	"getpar.h"
     46 # include	<setjmp.h>
     47 
     48 /*
     49 **  INSTRUCTION READ AND MAIN PLAY LOOP
     50 **
     51 **	Well folks, this is it.  Here we have the guts of the game.
     52 **	This routine executes moves.  It sets up per-move variables,
     53 **	gets the command, and executes the command.  After the command,
     54 **	it calls events() to use up time, attack() to have Klingons
     55 **	attack if the move was not free, and checkcond() to check up
     56 **	on how we are doing after the move.
     57 */
     58 extern int	abandon(), capture(), shield(), computer(), dcrept(),
     59 		destruct(), dock(), help(), impulse(), lrscan(),
     60 		warp(), dumpgame(), rest(), srscan(),
     61 		myreset(), torped(), visual(), setwarp(), undock(), phaser();
     62 
     63 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",			warp,		0,
     76 	"p",			"hasers",		phaser,	0,
     77 	"ram",			"",			warp,		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 	0
     89 };
     90 
     91 myreset()
     92 {
     93 	extern jmp_buf env;
     94 
     95 	longjmp(env, 1);
     96 }
     97 
     98 play()
     99 {
    100 	struct cvntab		*r;
    101 
    102 	while (1)
    103 	{
    104 		Move.free = 1;
    105 		Move.time = 0.0;
    106 		Move.shldchg = 0;
    107 		Move.newquad = 0;
    108 		Move.resting = 0;
    109 		skiptonl(0);
    110 		r = getcodpar("\nCommand", Comtab);
    111 		(*r->value)(r->value2);
    112 		events(0);
    113 		attack(0);
    114 		checkcond();
    115 	}
    116 }
    117