trek/kill.c

   1 /*      $NetBSD: kill.c,v 1.4 1997/10/12 21:24:56 christos 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. All advertising materials mentioning features or use of this software
  16  *    must display the following acknowledgement:
  17  *      This product includes software developed by the University of
  18  *      California, Berkeley and its contributors.
  19  * 4. Neither the name of the University nor the names of its contributors
  20  *    may be used to endorse or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  */
  35
  36 #include <sys/cdefs.h>
  37 #ifndef lint
  38 #if 0
  39 static char sccsid[] = "@(#)kill.c      8.1 (Berkeley) 5/31/93";
  40 #else
  41 __RCSID("$NetBSD: kill.c,v 1.4 1997/10/12 21:24:56 christos Exp $");
  42 #endif
  43 #endif /* not lint */
  44
  45 #include <stdio.h>
  46 #include "trek.h"
  47
  48 /*
  49 **  KILL KILL KILL !!!
  50 **
  51 **      This file handles the killing off of almost anything.
  52 */
  53
  54 /*
  55 **  Handle a Klingon's death
  56 **
  57 **      The Klingon at the sector given by the parameters is killed
  58 **      and removed from the Klingon list.  Notice that it is not
  59 **      removed from the event list; this is done later, when the
  60 **      the event is to be caught.  Also, the time left is recomputed,
  61 **      and the game is won if that was the last klingon.
  62 */
  63
  64 void
  65 killk(ix, iy)
  66 int     ix, iy;
  67 {
  68         int             i;
  69
  70         printf("   *** Klingon at %d,%d destroyed ***\n", ix, iy);
  71
  72         /* remove the scoundrel */
  73         Now.klings -= 1;
  74         Sect[ix][iy] = EMPTY;
  75         Quad[Ship.quadx][Ship.quady].klings -= 1;
  76         /* %%% IS THIS SAFE???? %%% */
  77         Quad[Ship.quadx][Ship.quady].scanned -= 100;
  78         Game.killk += 1;
  79
  80         /* find the Klingon in the Klingon list */
  81         for (i = 0; i < Etc.nkling; i++)
  82                 if (ix == Etc.klingon[i].x && iy == Etc.klingon[i].y)
  83                 {
  84                         /* purge him from the list */
  85                         Etc.nkling -= 1;
  86                         for (; i < Etc.nkling; i++)
  87                                 Etc.klingon[i] = Etc.klingon[i+1];
  88                         break;
  89                 }
  90
  91         /* find out if that was the last one */
  92         if (Now.klings <= 0)
  93                 win();
  94
  95         /* recompute time left */
  96         Now.time = Now.resource / Now.klings;
  97         return;
  98 }
  99
 100
 101 /*
 102 **  handle a starbase's death
 103 */
 104
 105 void
 106 killb(qx, qy)
 107 int     qx, qy;
 108 {
 109         struct quad     *q;
 110         struct xy       *b;
 111
 112         q = &Quad[qx][qy];
 113
 114         if (q->bases <= 0)
 115                 return;
 116         if (!damaged(SSRADIO))
 117                 /* then update starchart */
 118                 if (q->scanned < 1000)
 119                         q->scanned -= 10;
 120                 else
 121                         if (q->scanned > 1000)
 122                                 q->scanned = -1;
 123         q->bases = 0;
 124         Now.bases -= 1;
 125         for (b = Now.base; ; b++)
 126                 if (qx == b->x && qy == b->y)
 127                         break;
 128         *b = Now.base[Now.bases];
 129         if (qx == Ship.quadx && qy == Ship.quady)
 130         {
 131                 Sect[Etc.starbase.x][Etc.starbase.y] = EMPTY;
 132                 if (Ship.cond == DOCKED)
 133                         undock(0);
 134                 printf("Starbase at %d,%d destroyed\n", Etc.starbase.x, Etc.starbase.y);
 135         }
 136         else
 137         {
 138                 if (!damaged(SSRADIO))
 139                 {
 140                         printf("Uhura: Starfleet command reports that the starbase in\n");
 141                         printf("   quadrant %d,%d has been destroyed\n", qx, qy);
 142                 }
 143                 else
 144                         schedule(E_KATSB | E_GHOST, 1e50, qx, qy, 0);
 145         }
 146 }
 147
 148
 149 /**
 150  **     kill an inhabited starsystem
 151  **/
 152
 153 void
 154 kills(x, y, f)
 155 int     x, y;   /* quad coords if f == 0, else sector coords */
 156 int     f;      /* f != 0 -- this quad;  f < 0 -- Enterprise's fault */
 157 {
 158         struct quad     *q;
 159         struct event    *e;
 160         char            *name;
 161
 162         if (f)
 163         {
 164                 /* current quadrant */
 165                 q = &Quad[Ship.quadx][Ship.quady];
 166                 Sect[x][y] = EMPTY;
 167                 name = systemname(q);
 168                 if (name == 0)
 169                         return;
 170                 printf("Inhabited starsystem %s at %d,%d destroyed\n",
 171                         name, x, y);
 172                 if (f < 0)
 173                         Game.killinhab += 1;
 174         }
 175         else
 176         {
 177                 /* different quadrant */
 178                 q = &Quad[x][y];
 179         }
 180         if (q->qsystemname & Q_DISTRESSED)
 181         {
 182                 /* distressed starsystem */
 183                 e = &Event[q->qsystemname & Q_SYSTEM];
 184                 printf("Distress call for %s invalidated\n",
 185                         Systemname[e->systemname]);
 186                 unschedule(e);
 187         }
 188         q->qsystemname = 0;
 189         q->stars -= 1;
 190 }
 191
 192
 193 /**
 194  **     "kill" a distress call
 195  **/
 196
 197 void
 198 killd(x, y, f)
 199 int     x, y;           /* quadrant coordinates */
 200 int     f;              /* set if user is to be informed */
 201 {
 202         struct event    *e;
 203         int             i;
 204         struct quad     *q;
 205
 206         q = &Quad[x][y];
 207         for (i = 0; i < MAXEVENTS; i++)
 208         {
 209                 e = &Event[i];
 210                 if (e->x != x || e->y != y)
 211                         continue;
 212                 switch (e->evcode)
 213                 {
 214                   case E_KDESB:
 215                         if (f)
 216                         {
 217                                 printf("Distress call for starbase in %d,%d nullified\n",
 218                                         x, y);
 219                                 unschedule(e);
 220                         }
 221                         break;
 222
 223                   case E_ENSLV:
 224                   case E_REPRO:
 225                         if (f)
 226                         {
 227                                 printf("Distress call for %s in quadrant %d,%d nullified\n",
 228                                         Systemname[e->systemname], x, y);
 229                                 q->qsystemname = e->systemname;
 230                                 unschedule(e);
 231                         }
 232                         else
 233                         {
 234                                 e->evcode |= E_GHOST;
 235                         }
 236                 }
 237         }
 238 }