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. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)play.c 8.1 (Berkeley) 5/31/93 30 * $FreeBSD: src/games/trek/play.c,v 1.2 1999/11/30 03:49:52 billf Exp $ 31 * $DragonFly: src/games/trek/play.c,v 1.3 2006/09/07 21:19:44 pavalos Exp $ 32 */ 33 34 #include "trek.h" 35 #include "getpar.h" 36 37 static void myreset(int); 38 /* 39 ** INSTRUCTION READ AND MAIN PLAY LOOP 40 ** 41 ** Well folks, this is it. Here we have the guts of the game. 42 ** This routine executes moves. It sets up per-move variables, 43 ** gets the command, and executes the command. After the command, 44 ** it calls events() to use up time, attack() to have Klingons 45 ** attack if the move was not free, and checkcond() to check up 46 ** on how we are doing after the move. 47 */ 48 49 struct cvntab Comtab[] = { 50 { "abandon", "", abandon, 0 }, 51 { "ca", "pture", capture, 0 }, 52 { "cl", "oak", shield, -1 }, 53 { "c", "omputer", computer, 0 }, 54 { "da", "mages", dcrept, 0 }, 55 { "destruct", "", destruct, 0 }, 56 { "do", "ck", dock, 0 }, 57 { "help", "", help, 0 }, 58 { "i", "mpulse", impulse, 0 }, 59 { "l", "rscan", lrscan, 0 }, 60 { "m", "ove", dowarp, 0 }, 61 { "p", "hasers", phaser, 0 }, 62 { "ram", "", dowarp, 1 }, 63 { "dump", "", dumpgame, 0 }, 64 { "r", "est", rest, 0 }, 65 { "sh", "ield", shield, 0 }, 66 { "s", "rscan", srscan, 0 }, 67 { "st", "atus", srscan, -1 }, 68 { "terminate", "", myreset, 0 }, 69 { "t", "orpedo", torped, 0 }, 70 { "u", "ndock", undock, 0 }, 71 { "v", "isual", visual, 0 }, 72 { "w", "arp", setwarp, 0 }, 73 { NULL, NULL, NULL, 0 } 74 }; 75 76 static void 77 myreset(int v __unused) 78 { 79 longjmp(env, 1); 80 } 81 82 void 83 play(void) 84 { 85 struct cvntab *r; 86 87 while (1) { 88 Move.free = 1; 89 Move.time = 0.0; 90 Move.shldchg = 0; 91 Move.newquad = 0; 92 Move.resting = 0; 93 skiptonl(0); 94 r = getcodpar("\nCommand", Comtab); 95 (*r->value)(r->value2); 96 events(0); 97 attack(0); 98 checkcond(); 99 } 100 } 101