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 * @(#)play.c 8.1 (Berkeley) 5/31/93 34 * $FreeBSD: src/games/trek/play.c,v 1.2 1999/11/30 03:49:52 billf Exp $ 35 * $DragonFly: src/games/trek/play.c,v 1.3 2006/09/07 21:19:44 pavalos Exp $ 36 */ 37 38 # include "trek.h" 39 # include "getpar.h" 40 41 static void myreset(int); 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 53 struct cvntab Comtab[] = 54 { 55 { "abandon", "", abandon, 0 }, 56 { "ca", "pture", capture, 0 }, 57 { "cl", "oak", shield, -1 }, 58 { "c", "omputer", computer, 0 }, 59 { "da", "mages", dcrept, 0 }, 60 { "destruct", "", destruct, 0 }, 61 { "do", "ck", dock, 0 }, 62 { "help", "", help, 0 }, 63 { "i", "mpulse", impulse, 0 }, 64 { "l", "rscan", lrscan, 0 }, 65 { "m", "ove", dowarp, 0 }, 66 { "p", "hasers", phaser, 0 }, 67 { "ram", "", dowarp, 1 }, 68 { "dump", "", dumpgame, 0 }, 69 { "r", "est", rest, 0 }, 70 { "sh", "ield", shield, 0 }, 71 { "s", "rscan", srscan, 0 }, 72 { "st", "atus", srscan, -1 }, 73 { "terminate", "", myreset, 0 }, 74 { "t", "orpedo", torped, 0 }, 75 { "u", "ndock", undock, 0 }, 76 { "v", "isual", visual, 0 }, 77 { "w", "arp", setwarp, 0 }, 78 { NULL, NULL, NULL, 0 } 79 }; 80 81 static void 82 myreset(__unused int unused) 83 { 84 longjmp(env, 1); 85 } 86 87 void 88 play(void) 89 { 90 struct cvntab *r; 91 92 while (1) 93 { 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