1: /*      $NetBSD: impulse.c,v 1.6 2003/08/07 09:37:52 agc Exp $       */
    2: 
    3: /*
    4:  * Copyright (c) 1980, 1993
    5:  *      The Regents of the University of California.  All rights reserved.
    6:  *
    7:  * Redistribution and use in source and binary forms, with or without
    8:  * modification, are permitted provided that the following conditions
    9:  * are met:
   10:  * 1. Redistributions of source code must retain the above copyright
   11:  *    notice, this list of conditions and the following disclaimer.
   12:  * 2. Redistributions in binary form must reproduce the above copyright
   13:  *    notice, this list of conditions and the following disclaimer in the
   14:  *    documentation and/or other materials provided with the distribution.
   15:  * 3. Neither the name of the University nor the names of its contributors
   16:  *    may be used to endorse or promote products derived from this software
   17:  *    without specific prior written permission.
   18:  *
   19:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   20:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   21:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   22:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   23:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   24:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   25:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   26:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   27:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   28:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   29:  * SUCH DAMAGE.
   30:  */
   31: 
   32: #include <sys/cdefs.h>
   33: #ifndef lint
   34: #if 0
   35: static char sccsid[] = "@(#)impulse.c   8.1 (Berkeley) 5/31/93";
   36: #else
   37: __RCSID("$NetBSD: impulse.c,v 1.6 2003/08/07 09:37:52 agc Exp $");
   38: #endif
   39: #endif /* not lint */
   40: 
   41: #include <stdio.h>
   42: #include "trek.h"
   43: #include "getpar.h"
   44: 
   45: /**
   46:  **     move under impulse power
   47:  **/
   48: 
   49: /*ARGSUSED*/
   50: void
   51: impulse(v)
   52:         int v __attribute__((__unused__));
   53: {
   54:         int            course;
   55:         int            power;
   56:         double         dist, time;
   57:         int            percent;
   58: 
   59:         if (Ship.cond == DOCKED) {
   60:                 printf("Scotty: Sorry captain, but we are still docked.\n");
   61:                 return;
   62:         }
   63:         if (damaged(IMPULSE)) {
   64:                 out(IMPULSE);
   65:                 return;
   66:         }
   67:         if (getcodi(&course, &dist))
   68:                 return;
   69:         power = 20 + 100 * dist;
   70:         percent = 100 * power / Ship.energy + 0.5;
   71:         if (percent >= 85)
   72:         {
   73:                 printf("Scotty: That would consume %d%% of our remaining energy.\n",
   74:                         percent);
   75:                 if (!getynpar("Are you sure that is wise"))
   76:                         return;
   77:                 printf("Aye aye, sir\n");
   78:         }
   79:         time = dist / 0.095;
   80:         percent = 100 * time / Now.time + 0.5;
   81:         if (percent >= 85)
   82:         {
   83:                 printf("Spock: That would take %d%% of our remaining time.\n",
   84:                         percent);
   85:                 if (!getynpar("Are you sure that is wise"))
   86:                         return;
   87:                 printf("(He's finally gone mad)\n");
   88:         }
   89:         Move.time = move(0, course, time, 0.095);
   90:         Ship.energy -= 20 + 100 * Move.time * 0.095;
   91: }