trek/damage.c

   1 /*
   2  * Copyright (c) 1980 Regents of the University of California.
   3  * 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 /*static char sccsid[] = "from: @(#)damage.c    5.4 (Berkeley) 6/1/90";*/
  36 static char rcsid[] = "$Id: damage.c,v 1.2 1993/08/01 18:50:44 mycroft Exp $";
  37 #endif /* not lint */
  38
  39 # include       "trek.h"
  40
  41 /*
  42 **  Schedule Ship.damages to a Device
  43 **
  44 **      Device `dev1' is damaged in an amount `dam'.  Dam is measured
  45 **      in stardates, and is an additional amount of damage.  It should
  46 **      be the amount to occur in non-docked mode.  The adjustment
  47 **      to docked mode occurs automatically if we are docked.
  48 **
  49 **      Note that the repair of the device occurs on a DATE, meaning
  50 **      that the dock() and undock() have to reschedule the event.
  51 */
  52
  53 damage(dev1, dam)
  54 int     dev1;           /*  device index */
  55 double  dam;            /* time to repair */
  56 {
  57         register int            i;
  58         register struct event   *e;
  59         int                     f;
  60         register int            dev;
  61
  62         /* ignore zero damages */
  63         if (dam <= 0.0)
  64                 return;
  65         dev = dev1;
  66
  67         printf("\t%s damaged\n", Device[dev].name);
  68
  69         /* find actual length till it will be fixed */
  70         if (Ship.cond == DOCKED)
  71                 dam *= Param.dockfac;
  72         /* set the damage flag */
  73         f = damaged(dev);
  74         if (!f)
  75         {
  76                 /* new damages -- schedule a fix */
  77                 schedule(E_FIXDV, dam, 0, 0, dev);
  78                 return;
  79         }
  80         /* device already damaged -- add to existing damages */
  81         /* scan for old damages */
  82         for (i = 0; i < MAXEVENTS; i++)
  83         {
  84                 e = &Event[i];
  85                 if (e->evcode != E_FIXDV || e->systemname != dev)
  86                         continue;
  87                 /* got the right one; add on the new damages */
  88                 reschedule(e, e->date - Now.date + dam);
  89                 return;
  90         }
  91         syserr("Cannot find old damages %d\n", dev);
  92 }