games/trek/damage.c

   1 /*      @(#)damage.c    8.1 (Berkeley) 5/31/93                          */
   2 /*      $NetBSD: damage.c,v 1.8 2009/05/24 21:44:56 dholland Exp $      */
   3
   4 /*
   5  * Copyright (c) 1980, 1993
   6  *      The Regents of the University of California.  All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  * 3. Neither the name of the University nor the names of its contributors
  17  *    may be used to endorse or promote products derived from this software
  18  *    without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30  * SUCH DAMAGE.
  31  */
  32
  33 #include <stdio.h>
  34 #include <err.h>
  35 #include "trek.h"
  36
  37 /*
  38 **  Schedule Ship.damages to a Device
  39 **
  40 **      Device `dev1' is damaged in an amount `dam'.  Dam is measured
  41 **      in stardates, and is an additional amount of damage.  It should
  42 **      be the amount to occur in non-docked mode.  The adjustment
  43 **      to docked mode occurs automatically if we are docked.
  44 **
  45 **      Note that the repair of the device occurs on a DATE, meaning
  46 **      that the dock() and undock() have to reschedule the event.
  47 **
  48 **  dev1 -- device index
  49 **  dam -- time to repair
  50 */
  51
  52 void
  53 damage(int dev1, double dam)
  54 {
  55         int             i;
  56         struct event    *e;
  57         int             f;
  58         int             dev;
  59
  60         /* ignore zero damages */
  61         if (dam <= 0.0)
  62                 return;
  63         dev = dev1;
  64
  65         printf("\t%s damaged\n", Device[dev].name);
  66
  67         /* find actual length till it will be fixed */
  68         if (Ship.cond == DOCKED)
  69                 dam *= Param.dockfac;
  70         /* set the damage flag */
  71         f = damaged(dev);
  72         if (!f) {
  73                 /* new damages -- schedule a fix */
  74                 schedule(E_FIXDV, dam, 0, 0, dev);
  75                 return;
  76         }
  77         /* device already damaged -- add to existing damages */
  78         /* scan for old damages */
  79         for (i = 0; i < MAXEVENTS; i++) {
  80                 e = &Event[i];
  81                 if (e->evcode != E_FIXDV || e->systemname != dev)
  82                         continue;
  83                 /* got the right one; add on the new damages */
  84                 reschedule(e, e->date - Now.date + dam);
  85                 return;
  86         }
  87         errx(1, "Cannot find old damages %d", dev);
  88 }