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 #if 0 36 static char sccsid[] = "@(#)impulse.c 8.1 (Berkeley) 5/31/93"; 37 #endif 38 static const char rcsid[] = 39 "$FreeBSD: src/games/trek/impulse.c,v 1.4 1999/11/30 03:49:48 billf Exp $"; 40 #endif /* not lint */ 41 42 # include "trek.h" 43 44 /** 45 ** move under impulse power 46 **/ 47 48 impulse() 49 { 50 int course; 51 int power; 52 double dist, time; 53 int percent; 54 extern double move(); 55 56 if (Ship.cond == DOCKED) 57 return (printf("Scotty: Sorry captain, but we are still docked.\n")); 58 if (damaged(IMPULSE)) 59 return (out(IMPULSE)); 60 if (getcodi(&course, &dist)) 61 return; 62 power = 20 + 100 * dist; 63 percent = 100 * power / Ship.energy + 0.5; 64 if (percent >= 85) 65 { 66 printf("Scotty: That would consume %d%% of our remaining energy.\n", 67 percent); 68 if (!getynpar("Are you sure that is wise")) 69 return; 70 printf("Aye aye, sir\n"); 71 } 72 time = dist / 0.095; 73 percent = 100 * time / Now.time + 0.5; 74 if (percent >= 85) 75 { 76 printf("Spock: That would take %d%% of our remaining time.\n", 77 percent); 78 if (!getynpar("Are you sure that is wise")) 79 return; 80 printf("(He's finally gone mad)\n"); 81 } 82 Move.time = move(0, course, time, 0.095); 83 Ship.energy -= 20 + 100 * Move.time * 0.095; 84 } 85