Merge from vendor branch OPENSSH:
[dragonfly.git] / games / rogue / zap.c
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1/*
2 * Copyright (c) 1988, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Timothy C. Stoehr.
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. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
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35 *
36 * @(#)zap.c 8.1 (Berkeley) 5/31/93
37 * $FreeBSD: src/games/rogue/zap.c,v 1.3 1999/11/30 03:49:29 billf Exp $
38 * $DragonFly: src/games/rogue/zap.c,v 1.2 2003/06/17 04:25:25 dillon Exp $
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39 */
40
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41/*
42 * zap.c
43 *
44 * This source herein may be modified and/or distributed by anybody who
45 * so desires, with the following restrictions:
46 * 1.) No portion of this notice shall be removed.
47 * 2.) Credit shall not be taken for the creation of this source.
48 * 3.) This code is not to be traded, sold, or used for personal
49 * gain or profit.
50 *
51 */
52
53#include "rogue.h"
54
55boolean wizard = 0;
56
57extern boolean being_held, score_only, detect_monster;
58extern short cur_room;
59
60zapp()
61{
62 short wch;
63 boolean first_miss = 1;
64 object *wand;
65 short dir, d, row, col;
66 object *monster;
67
68 while (!is_direction(dir = rgetchar(), &d)) {
69 sound_bell();
70 if (first_miss) {
71 message("direction? ", 0);
72 first_miss = 0;
73 }
74 }
75 check_message();
76 if (dir == CANCEL) {
77 return;
78 }
79 if ((wch = pack_letter("zap with what?", WAND)) == CANCEL) {
80 return;
81 }
82 check_message();
83
84 if (!(wand = get_letter_object(wch))) {
85 message("no such item.", 0);
86 return;
87 }
88 if (wand->what_is != WAND) {
89 message("you can't zap with that", 0);
90 return;
91 }
92 if (wand->class <= 0) {
93 message("nothing happens", 0);
94 } else {
95 wand->class--;
96 row = rogue.row; col = rogue.col;
97 if ((wand->which_kind == COLD) || (wand->which_kind == FIRE)) {
98 bounce((short) wand->which_kind, d, row, col, 0);
99 } else {
100 monster = get_zapped_monster(d, &row, &col);
101 if (wand->which_kind == DRAIN_LIFE) {
102 wdrain_life(monster);
103 } else if (monster) {
104 wake_up(monster);
105 s_con_mon(monster);
106 zap_monster(monster, wand->which_kind);
107 relight();
108 }
109 }
110 }
111 (void) reg_move();
112}
113
114object *
115get_zapped_monster(dir, row, col)
116short dir;
117short *row, *col;
118{
119 short orow, ocol;
120
121 for (;;) {
122 orow = *row; ocol = *col;
123 get_dir_rc(dir, row, col, 0);
124 if (((*row == orow) && (*col == ocol)) ||
125 (dungeon[*row][*col] & (HORWALL | VERTWALL)) ||
126 (dungeon[*row][*col] == NOTHING)) {
127 return(0);
128 }
129 if (dungeon[*row][*col] & MONSTER) {
130 if (!imitating(*row, *col)) {
131 return(object_at(&level_monsters, *row, *col));
132 }
133 }
134 }
135}
136
137zap_monster(monster, kind)
138object *monster;
139unsigned short kind;
140{
141 short row, col;
142 object *nm;
143 short tc;
144
145 row = monster->row;
146 col = monster->col;
147
148 switch(kind) {
149 case SLOW_MONSTER:
150 if (monster->m_flags & HASTED) {
151 monster->m_flags &= (~HASTED);
152 } else {
153 monster->slowed_toggle = 0;
154 monster->m_flags |= SLOWED;
155 }
156 break;
157 case HASTE_MONSTER:
158 if (monster->m_flags & SLOWED) {
159 monster->m_flags &= (~SLOWED);
160 } else {
161 monster->m_flags |= HASTED;
162 }
163 break;
164 case TELE_AWAY:
165 tele_away(monster);
166 break;
167 case INVISIBILITY:
168 monster->m_flags |= INVISIBLE;
169 break;
170 case POLYMORPH:
171 if (monster->m_flags & HOLDS) {
172 being_held = 0;
173 }
174 nm = monster->next_monster;
175 tc = monster->trail_char;
176 (void) gr_monster(monster, get_rand(0, MONSTERS-1));
177 monster->row = row;
178 monster->col = col;
179 monster->next_monster = nm;
180 monster->trail_char = tc;
181 if (!(monster->m_flags & IMITATES)) {
182 wake_up(monster);
183 }
184 break;
185 case MAGIC_MISSILE:
186 rogue_hit(monster, 1);
187 break;
188 case CANCELLATION:
189 if (monster->m_flags & HOLDS) {
190 being_held = 0;
191 }
192 if (monster->m_flags & STEALS_ITEM) {
193 monster->drop_percent = 0;
194 }
195 monster->m_flags &= (~(FLIES | FLITS | SPECIAL_HIT | INVISIBLE |
196 FLAMES | IMITATES | CONFUSES | SEEKS_GOLD | HOLDS));
197 break;
198 case DO_NOTHING:
199 message("nothing happens", 0);
200 break;
201 }
202}
203
204tele_away(monster)
205object *monster;
206{
207 short row, col;
208
209 if (monster->m_flags & HOLDS) {
210 being_held = 0;
211 }
212 gr_row_col(&row, &col, (FLOOR | TUNNEL | STAIRS | OBJECT));
213 mvaddch(monster->row, monster->col, monster->trail_char);
214 dungeon[monster->row][monster->col] &= ~MONSTER;
215 monster->row = row; monster->col = col;
216 dungeon[row][col] |= MONSTER;
217 monster->trail_char = mvinch(row, col);
218 if (detect_monster || rogue_can_see(row, col)) {
219 mvaddch(row, col, gmc(monster));
220 }
221}
222
223wizardize()
224{
225 char buf[100];
226
227 if (wizard) {
228 wizard = 0;
229 message("not wizard anymore", 0);
230 } else {
231 if (get_input_line("wizard's password:", "", buf, "", 0, 0)) {
232 (void) xxx(1);
233 xxxx(buf, strlen(buf));
234 if (!strncmp(buf, "\247\104\126\272\115\243\027", 7)) {
235 wizard = 1;
236 score_only = 1;
237 message("Welcome, mighty wizard!", 0);
238 } else {
239 message("sorry", 0);
240 }
241 }
242 }
243}
244
245wdrain_life(monster)
246object *monster;
247{
248 short hp;
249 object *lmon, *nm;
250
251 hp = rogue.hp_current / 3;
252 rogue.hp_current = (rogue.hp_current + 1) / 2;
253
254 if (cur_room >= 0) {
255 lmon = level_monsters.next_monster;
256 while (lmon) {
257 nm = lmon->next_monster;
258 if (get_room_number(lmon->row, lmon->col) == cur_room) {
259 wake_up(lmon);
260 (void) mon_damage(lmon, hp);
261 }
262 lmon = nm;
263 }
264 } else {
265 if (monster) {
266 wake_up(monster);
267 (void) mon_damage(monster, hp);
268 }
269 }
270 print_stats(STAT_HP);
271 relight();
272}
273
274bounce(ball, dir, row, col, r)
275short ball, dir, row, col, r;
276{
277 short orow, ocol;
278 char buf[DCOLS];
279 const char *s;
280 short i, ch, new_dir = -1, damage;
281 static short btime;
282
283 if (++r == 1) {
284 btime = get_rand(3, 6);
285 } else if (r > btime) {
286 return;
287 }
288
289 if (ball == FIRE) {
290 s = "fire";
291 } else {
292 s = "ice";
293 }
294 if (r > 1) {
295 sprintf(buf, "the %s bounces", s);
296 message(buf, 0);
297 }
298 orow = row;
299 ocol = col;
300 do {
301 ch = mvinch(orow, ocol);
302 standout();
303 mvaddch(orow, ocol, ch);
304 get_dir_rc(dir, &orow, &ocol, 1);
305 } while (!( (ocol <= 0) ||
306 (ocol >= DCOLS-1) ||
307 (dungeon[orow][ocol] == NOTHING) ||
308 (dungeon[orow][ocol] & MONSTER) ||
309 (dungeon[orow][ocol] & (HORWALL | VERTWALL)) ||
310 ((orow == rogue.row) && (ocol == rogue.col))));
311 standend();
312 refresh();
313 do {
314 orow = row;
315 ocol = col;
316 ch = mvinch(row, col);
317 mvaddch(row, col, ch);
318 get_dir_rc(dir, &row, &col, 1);
319 } while (!( (col <= 0) ||
320 (col >= DCOLS-1) ||
321 (dungeon[row][col] == NOTHING) ||
322 (dungeon[row][col] & MONSTER) ||
323 (dungeon[row][col] & (HORWALL | VERTWALL)) ||
324 ((row == rogue.row) && (col == rogue.col))));
325
326 if (dungeon[row][col] & MONSTER) {
327 object *monster;
328
329 monster = object_at(&level_monsters, row, col);
330
331 wake_up(monster);
332 if (rand_percent(33)) {
333 sprintf(buf, "the %s misses the %s", s, mon_name(monster));
334 message(buf, 0);
335 goto ND;
336 }
337 if (ball == FIRE) {
338 if (!(monster->m_flags & RUSTS)) {
339 if (monster->m_flags & FREEZES) {
340 damage = monster->hp_to_kill;
341 } else if (monster->m_flags & FLAMES) {
342 damage = (monster->hp_to_kill / 10) + 1;
343 } else {
344 damage = get_rand((rogue.hp_current / 3), rogue.hp_max);
345 }
346 } else {
347 damage = (monster->hp_to_kill / 2) + 1;
348 }
349 sprintf(buf, "the %s hits the %s", s, mon_name(monster));
350 message(buf, 0);
351 (void) mon_damage(monster, damage);
352 } else {
353 damage = -1;
354 if (!(monster->m_flags & FREEZES)) {
355 if (rand_percent(33)) {
356 message("the monster is frozen", 0);
357 monster->m_flags |= (ASLEEP | NAPPING);
358 monster->nap_length = get_rand(3, 6);
359 } else {
360 damage = rogue.hp_current / 4;
361 }
362 } else {
363 damage = -2;
364 }
365 if (damage != -1) {
366 sprintf(buf, "the %s hits the %s", s, mon_name(monster));
367 message(buf, 0);
368 (void) mon_damage(monster, damage);
369 }
370 }
371 } else if ((row == rogue.row) && (col == rogue.col)) {
372 if (rand_percent(10 + (3 * get_armor_class(rogue.armor)))) {
373 sprintf(buf, "the %s misses", s);
374 message(buf, 0);
375 goto ND;
376 } else {
377 damage = get_rand(3, (3 * rogue.exp));
378 if (ball == FIRE) {
379 damage = (damage * 3) / 2;
380 damage -= get_armor_class(rogue.armor);
381 }
382 sprintf(buf, "the %s hits", s);
383 rogue_damage(damage, (object *) 0,
384 ((ball == FIRE) ? KFIRE : HYPOTHERMIA));
385 message(buf, 0);
386 }
387 } else {
388 short nrow, ncol;
389
390ND: for (i = 0; i < 10; i++) {
391 dir = get_rand(0, DIRS-1);
392 nrow = orow;
393 ncol = ocol;
394 get_dir_rc(dir, &nrow, &ncol, 1);
395 if (((ncol >= 0) && (ncol <= DCOLS-1)) &&
396 (dungeon[nrow][ncol] != NOTHING) &&
397 (!(dungeon[nrow][ncol] & (VERTWALL | HORWALL)))) {
398 new_dir = dir;
399 break;
400 }
401 }
402 if (new_dir != -1) {
403 bounce(ball, new_dir, orow, ocol, r);
404 }
405 }
406}