1 /* @(#)play.c 8.1 (Berkeley) 5/31/93 */ 2 /* $NetBSD: play.c,v 1.12 2009/08/12 08:54:54 dholland Exp $ */ 3 4 /* 5 * Copyright (c) 1980, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33 #include <stdio.h> 34 #include <setjmp.h> 35 #include "trek.h" 36 #include "getpar.h" 37 38 static void myreset(int) __dead2; 39 40 /* 41 ** INSTRUCTION READ AND MAIN PLAY LOOP 42 ** 43 ** Well folks, this is it. Here we have the guts of the game. 44 ** This routine executes moves. It sets up per-move variables, 45 ** gets the command, and executes the command. After the command, 46 ** it calls events() to use up time, attack() to have Klingons 47 ** attack if the move was not free, and checkcond() to check up 48 ** on how we are doing after the move. 49 */ 50 51 extern jmp_buf env; 52 53 static const struct cvntab Comtab[] = { 54 { "abandon", "", abandon, 0 }, 55 { "ca", "pture", capture, 0 }, 56 { "cl", "oak", shield, -1 }, 57 { "c", "omputer", computer, 0 }, 58 { "da", "mages", dcrept, 0 }, 59 { "destruct", "", destruct, 0 }, 60 { "do", "ck", dock, 0 }, 61 { "help", "", help, 0 }, 62 { "i", "mpulse", impulse, 0 }, 63 { "l", "rscan", lrscan, 0 }, 64 { "m", "ove", dowarp, 0 }, 65 { "p", "hasers", phaser, 0 }, 66 { "ram", "", dowarp, 1 }, 67 { "dump", "", dumpgame, 0 }, 68 { "r", "est", rest, 0 }, 69 { "sh", "ield", shield, 0 }, 70 { "s", "rscan", srscan, 0 }, 71 { "st", "atus", srscan, -1 }, 72 { "terminate", "", myreset, 0 }, 73 { "t", "orpedo", torped, 0 }, 74 { "u", "ndock", undock, 0 }, 75 { "v", "isual", visual, 0 }, 76 { "w", "arp", setwarp, 0 }, 77 { NULL, NULL, NULL, 0 } 78 }; 79 80 /*ARGSUSED*/ 81 static void 82 myreset(int v __unused) 83 { 84 85 longjmp(env, 1); 86 } 87 88 void 89 play(void) 90 { 91 const struct cvntab *r; 92 93 while (1) { 94 Move.free = 1; 95 Move.time = 0.0; 96 Move.shldchg = 0; 97 Move.newquad = 0; 98 Move.resting = 0; 99 skiptonl(0); 100 r = getcodpar("\nCommand", Comtab); 101 (*r->value)(r->value2); 102 events(0); 103 attack(0); 104 checkcond(); 105 } 106 } 107