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play.c revision 1.1.1.2 
      1 /*
      2  * Copyright (c) 1980, 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. 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[] = "@(#)play.c	8.1 (Berkeley) 5/31/93";
     36 #endif /* not lint */
     37 
     38 # include	"trek.h"
     39 # include	"getpar.h"
     40 # include	<setjmp.h>
     41 
     42 /*
     43 **  INSTRUCTION READ AND MAIN PLAY LOOP
     44 **
     45 **	Well folks, this is it.  Here we have the guts of the game.
     46 **	This routine executes moves.  It sets up per-move variables,
     47 **	gets the command, and executes the command.  After the command,
     48 **	it calls events() to use up time, attack() to have Klingons
     49 **	attack if the move was not free, and checkcond() to check up
     50 **	on how we are doing after the move.
     51 */
     52 extern int	abandon(), capture(), shield(), computer(), dcrept(),
     53 		destruct(), dock(), help(), impulse(), lrscan(),
     54 		warp(), dumpgame(), rest(), srscan(),
     55 		myreset(), torped(), visual(), setwarp(), undock(), phaser();
     56 
     57 struct cvntab	Comtab[] =
     58 {
     59 	"abandon",		"",			abandon,	0,
     60 	"ca",			"pture",		capture,	0,
     61 	"cl",			"oak",			shield,	-1,
     62 	"c",			"omputer",		computer,	0,
     63 	"da",			"mages",		dcrept,	0,
     64 	"destruct",		"",			destruct,	0,
     65 	"do",			"ck",			dock,		0,
     66 	"help",			"",			help,		0,
     67 	"i",			"mpulse",		impulse,	0,
     68 	"l",			"rscan",		lrscan,	0,
     69 	"m",			"ove",			warp,		0,
     70 	"p",			"hasers",		phaser,	0,
     71 	"ram",			"",			warp,		1,
     72 	"dump",			"",			dumpgame,	0,
     73 	"r",			"est",			rest,		0,
     74 	"sh",			"ield",			shield,	0,
     75 	"s",			"rscan",		srscan,	0,
     76 	"st",			"atus",			srscan,	-1,
     77 	"terminate",		"",			myreset,	0,
     78 	"t",			"orpedo",		torped,	0,
     79 	"u",			"ndock",		undock,	0,
     80 	"v",			"isual",		visual,	0,
     81 	"w",			"arp",			setwarp,	0,
     82 	0
     83 };
     84 
     85 myreset()
     86 {
     87 	extern jmp_buf env;
     88 
     89 	longjmp(env, 1);
     90 }
     91 
     92 play()
     93 {
     94 	struct cvntab		*r;
     95 
     96 	while (1)
     97 	{
     98 		Move.free = 1;
     99 		Move.time = 0.0;
    100 		Move.shldchg = 0;
    101 		Move.newquad = 0;
    102 		Move.resting = 0;
    103 		skiptonl(0);
    104 		r = getcodpar("\nCommand", Comtab);
    105 		(*r->value)(r->value2);
    106 		events(0);
    107 		attack(0);
    108 		checkcond();
    109 	}
    110 }
    111