1 /* $OpenBSD: kill.c,v 1.8 2016/01/07 14:37:51 mestre Exp $ */
2 /* $NetBSD: kill.c,v 1.3 1995/04/22 10:59:06 cgd 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
35 #include "trek.h"
36
37 /*
38 ** KILL KILL KILL !!!
39 **
40 ** This file handles the killing off of almost anything.
41 */
42
43 /*
44 ** Handle a Klingon's death
45 **
46 ** The Klingon at the sector given by the parameters is killed
47 ** and removed from the Klingon list. Notice that it is not
48 ** removed from the event list; this is done later, when the
49 ** the event is to be caught. Also, the time left is recomputed,
50 ** and the game is won if that was the last klingon.
51 */
52
53 void
killk(int ix,int iy)54 killk(int ix, int iy)
55 {
56 int i;
57
58 printf(" *** Klingon at %d,%d destroyed ***\n", ix, iy);
59
60 /* remove the scoundrel */
61 Now.klings -= 1;
62 Sect[ix][iy] = EMPTY;
63 Quad[Ship.quadx][Ship.quady].klings -= 1;
64 /* %%% IS THIS SAFE???? %%% */
65 Quad[Ship.quadx][Ship.quady].scanned -= 100;
66 Game.killk += 1;
67
68 /* find the Klingon in the Klingon list */
69 for (i = 0; i < Etc.nkling; i++)
70 if (ix == Etc.klingon[i].x && iy == Etc.klingon[i].y)
71 {
72 /* purge him from the list */
73 Etc.nkling -= 1;
74 for (; i < Etc.nkling; i++)
75 Etc.klingon[i] = Etc.klingon[i + 1];
76 break;
77 }
78
79 /* find out if that was the last one */
80 if (Now.klings <= 0)
81 win();
82
83 /* recompute time left */
84 Now.time = Now.resource / Now.klings;
85 return;
86 }
87
88
89 /*
90 ** handle a starbase's death
91 */
92
93 void
killb(int qx,int qy)94 killb(int qx, int qy)
95 {
96 struct quad *q;
97 struct xy *b;
98
99 q = &Quad[qx][qy];
100
101 if (q->bases <= 0)
102 return;
103 if (!damaged(SSRADIO))
104 {
105 /* then update starchart */
106 if (q->scanned < 1000)
107 q->scanned -= 10;
108 else
109 if (q->scanned > 1000)
110 q->scanned = -1;
111 }
112 q->bases = 0;
113 Now.bases -= 1;
114 for (b = Now.base; ; b++)
115 if (qx == b->x && qy == b->y)
116 break;
117 *b = Now.base[Now.bases];
118 if (qx == Ship.quadx && qy == Ship.quady)
119 {
120 Sect[Etc.starbase.x][Etc.starbase.y] = EMPTY;
121 if (Ship.cond == DOCKED)
122 undock(0);
123 printf("Starbase at %d,%d destroyed\n", Etc.starbase.x, Etc.starbase.y);
124 }
125 else
126 {
127 if (!damaged(SSRADIO))
128 {
129 printf("Uhura: Starfleet command reports that the starbase in\n");
130 printf(" quadrant %d,%d has been destroyed\n", qx, qy);
131 }
132 else
133 schedule(E_KATSB | E_GHOST, 1e50, qx, qy, 0);
134 }
135 }
136
137
138 /**
139 ** kill an inhabited starsystem
140 **/
141
142 /*
143 * x, y: quad coords if f == 0, else sector coords
144 * f != 0 -- this quad; f < 0 -- Enterprise's fault
145 */
146 void
kills(int x,int y,int f)147 kills(int x, int y, int f)
148 {
149 struct quad *q;
150 struct event *e;
151 const char *name;
152
153 if (f)
154 {
155 /* current quadrant */
156 q = &Quad[Ship.quadx][Ship.quady];
157 Sect[x][y] = EMPTY;
158 name = systemname(q);
159 if (name == 0)
160 return;
161 printf("Inhabited starsystem %s at %d,%d destroyed\n",
162 name, x, y);
163 if (f < 0)
164 Game.killinhab += 1;
165 }
166 else
167 {
168 /* different quadrant */
169 q = &Quad[x][y];
170 }
171 if (q->qsystemname & Q_DISTRESSED)
172 {
173 /* distressed starsystem */
174 e = &Event[q->qsystemname & Q_SYSTEM];
175 printf("Distress call for %s invalidated\n",
176 Systemname[e->systemname]);
177 unschedule(e);
178 }
179 q->qsystemname = 0;
180 q->stars -= 1;
181 }
182
183
184 /**
185 ** "kill" a distress call
186 **/
187
188 /*
189 * x, y: quadrant coordinates
190 * f: set if user is to be informed
191 */
192 void
killd(int x,int y,int f)193 killd(int x, int y, int f)
194 {
195 struct event *e;
196 int i;
197 struct quad *q;
198
199 q = &Quad[x][y];
200 for (i = 0; i < MAXEVENTS; i++)
201 {
202 e = &Event[i];
203 if (e->x != x || e->y != y)
204 continue;
205 switch (e->evcode)
206 {
207 case E_KDESB:
208 if (f)
209 {
210 printf("Distress call for starbase in %d,%d nullified\n",
211 x, y);
212 unschedule(e);
213 }
214 break;
215
216 case E_ENSLV:
217 case E_REPRO:
218 if (f)
219 {
220 printf("Distress call for %s in quadrant %d,%d nullified\n",
221 Systemname[e->systemname], x, y);
222 q->qsystemname = e->systemname;
223 unschedule(e);
224 }
225 else
226 {
227 e->evcode |= E_GHOST;
228 }
229 }
230 }
231 }
232