games/trek/damage.c

   1 /*      $NetBSD: damage.c,v 1.7 2009/05/24 19:18:44 dholland 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[] = "@(#)damage.c    8.1 (Berkeley) 5/31/93";
  36 #else
  37 __RCSID("$NetBSD: damage.c,v 1.7 2009/05/24 19:18:44 dholland Exp $");
  38 #endif
  39 #endif /* not lint */
  40
  41 #include <stdio.h>
  42 #include <err.h>
  43 #include "trek.h"
  44
  45 /*
  46 **  Schedule Ship.damages to a Device
  47 **
  48 **      Device `dev1' is damaged in an amount `dam'.  Dam is measured
  49 **      in stardates, and is an additional amount of damage.  It should
  50 **      be the amount to occur in non-docked mode.  The adjustment
  51 **      to docked mode occurs automatically if we are docked.
  52 **
  53 **      Note that the repair of the device occurs on a DATE, meaning
  54 **      that the dock() and undock() have to reschedule the event.
  55 **
  56 **  dev1 -- device index
  57 **  dam -- time to repair
  58 */
  59
  60 void
  61 damage(int dev1, double dam)
  62 {
  63         int             i;
  64         struct event    *e;
  65         int             f;
  66         int             dev;
  67
  68         /* ignore zero damages */
  69         if (dam <= 0.0)
  70                 return;
  71         dev = dev1;
  72
  73         printf("\t%s damaged\n", Device[dev].name);
  74
  75         /* find actual length till it will be fixed */
  76         if (Ship.cond == DOCKED)
  77                 dam *= Param.dockfac;
  78         /* set the damage flag */
  79         f = damaged(dev);
  80         if (!f) {
  81                 /* new damages -- schedule a fix */
  82                 schedule(E_FIXDV, dam, 0, 0, dev);
  83                 return;
  84         }
  85         /* device already damaged -- add to existing damages */
  86         /* scan for old damages */
  87         for (i = 0; i < MAXEVENTS; i++) {
  88                 e = &Event[i];
  89                 if (e->evcode != E_FIXDV || e->systemname != dev)
  90                         continue;
  91                 /* got the right one; add on the new damages */
  92                 reschedule(e, e->date - Now.date + dam);
  93                 return;
  94         }
  95         errx(1, "Cannot find old damages %d", dev);
  96 }