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 * @(#)impulse.c 8.1 (Berkeley) 5/31/93 30 * $FreeBSD: src/games/trek/impulse.c,v 1.4 1999/11/30 03:49:48 billf Exp $ 31 * $DragonFly: src/games/trek/impulse.c,v 1.3 2006/09/07 21:19:44 pavalos Exp $ 32 */ 33 34 #include "getpar.h" 35 #include "trek.h" 36 37 /** 38 ** move under impulse power 39 **/ 40 41 void 42 impulse(int v __unused) 43 { 44 int course; 45 int power; 46 double dist, p_time; 47 int percent; 48 49 if (Ship.cond == DOCKED) { 50 printf("Scotty: Sorry captain, but we are still docked.\n"); 51 return; 52 } 53 if (damaged(IMPULSE)) { 54 out(IMPULSE); 55 return; 56 } 57 if (getcodi(&course, &dist)) 58 return; 59 power = 20 + 100 * dist; 60 percent = 100 * power / Ship.energy + 0.5; 61 if (percent >= 85) { 62 printf("Scotty: That would consume %d%% of our remaining energy.\n", 63 percent); 64 if (!getynpar("Are you sure that is wise")) 65 return; 66 printf("Aye aye, sir\n"); 67 } 68 p_time = dist / 0.095; 69 percent = 100 * p_time / Now.time + 0.5; 70 if (percent >= 85) { 71 printf("Spock: That would take %d%% of our remaining time.\n", 72 percent); 73 if (!getynpar("Are you sure that is wise")) 74 return; 75 printf("(He's finally gone mad)\n"); 76 } 77 Move.time = move(0, course, p_time, 0.095); 78 Ship.energy -= 20 + 100 * Move.time * 0.095; 79 } 80