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1 | /* |
2 | * Copyright (c) 1988 The Regents of the University of California. | |
3 | * All rights reserved. | |
4 | * | |
5 | * This code is derived from software contributed to Berkeley by | |
6 | * Timothy C. Stoehr. | |
7 | * | |
b2e7427f | 8 | * %sccs.include.redist.c% |
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9 | */ |
10 | ||
11 | #ifndef lint | |
b2e7427f | 12 | static char sccsid[] = "@(#)zap.c 5.3 (Berkeley) %G%"; |
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13 | #endif /* not lint */ |
14 | ||
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15 | /* |
16 | * zap.c | |
17 | * | |
18 | * This source herein may be modified and/or distributed by anybody who | |
19 | * so desires, with the following restrictions: | |
20 | * 1.) No portion of this notice shall be removed. | |
21 | * 2.) Credit shall not be taken for the creation of this source. | |
22 | * 3.) This code is not to be traded, sold, or used for personal | |
23 | * gain or profit. | |
24 | * | |
25 | */ | |
26 | ||
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27 | #include "rogue.h" |
28 | ||
29 | boolean wizard = 0; | |
30 | ||
31 | extern boolean being_held, score_only, detect_monster; | |
32 | extern short cur_room; | |
33 | ||
34 | zapp() | |
35 | { | |
36 | short wch; | |
37 | boolean first_miss = 1; | |
38 | object *wand; | |
39 | short dir, d, row, col; | |
40 | object *monster; | |
41 | ||
42 | while (!is_direction(dir = rgetchar(), &d)) { | |
43 | sound_bell(); | |
44 | if (first_miss) { | |
45 | message("direction? ", 0); | |
46 | first_miss = 0; | |
47 | } | |
48 | } | |
49 | check_message(); | |
50 | if (dir == CANCEL) { | |
51 | return; | |
52 | } | |
53 | if ((wch = pack_letter("zap with what?", WAND)) == CANCEL) { | |
54 | return; | |
55 | } | |
56 | check_message(); | |
57 | ||
58 | if (!(wand = get_letter_object(wch))) { | |
59 | message("no such item.", 0); | |
60 | return; | |
61 | } | |
62 | if (wand->what_is != WAND) { | |
63 | message("you can't zap with that", 0); | |
64 | return; | |
65 | } | |
66 | if (wand->class <= 0) { | |
67 | message("nothing happens", 0); | |
68 | } else { | |
69 | wand->class--; | |
70 | row = rogue.row; col = rogue.col; | |
71 | if ((wand->which_kind == COLD) || (wand->which_kind == FIRE)) { | |
72 | bounce((short) wand->which_kind, d, row, col, 0); | |
73 | } else { | |
74 | monster = get_zapped_monster(d, &row, &col); | |
75 | if (wand->which_kind == DRAIN_LIFE) { | |
76 | wdrain_life(monster); | |
77 | } else if (monster) { | |
78 | wake_up(monster); | |
79 | s_con_mon(monster); | |
80 | zap_monster(monster, wand->which_kind); | |
81 | relight(); | |
82 | } | |
83 | } | |
84 | } | |
85 | (void) reg_move(); | |
86 | } | |
87 | ||
88 | object * | |
89 | get_zapped_monster(dir, row, col) | |
90 | short dir; | |
91 | short *row, *col; | |
92 | { | |
93 | short orow, ocol; | |
94 | ||
95 | for (;;) { | |
96 | orow = *row; ocol = *col; | |
97 | get_dir_rc(dir, row, col, 0); | |
98 | if (((*row == orow) && (*col == ocol)) || | |
99 | (dungeon[*row][*col] & (HORWALL | VERTWALL)) || | |
100 | (dungeon[*row][*col] == NOTHING)) { | |
101 | return(0); | |
102 | } | |
103 | if (dungeon[*row][*col] & MONSTER) { | |
104 | if (!imitating(*row, *col)) { | |
105 | return(object_at(&level_monsters, *row, *col)); | |
106 | } | |
107 | } | |
108 | } | |
109 | } | |
110 | ||
111 | zap_monster(monster, kind) | |
112 | object *monster; | |
113 | unsigned short kind; | |
114 | { | |
115 | short row, col; | |
116 | object *nm; | |
117 | short tc; | |
118 | ||
119 | row = monster->row; | |
120 | col = monster->col; | |
121 | ||
122 | switch(kind) { | |
123 | case SLOW_MONSTER: | |
124 | if (monster->m_flags & HASTED) { | |
125 | monster->m_flags &= (~HASTED); | |
126 | } else { | |
127 | monster->slowed_toggle = 0; | |
128 | monster->m_flags |= SLOWED; | |
129 | } | |
130 | break; | |
131 | case HASTE_MONSTER: | |
132 | if (monster->m_flags & SLOWED) { | |
133 | monster->m_flags &= (~SLOWED); | |
134 | } else { | |
135 | monster->m_flags |= HASTED; | |
136 | } | |
137 | break; | |
138 | case TELE_AWAY: | |
139 | tele_away(monster); | |
140 | break; | |
141 | case INVISIBILITY: | |
142 | monster->m_flags |= INVISIBLE; | |
143 | break; | |
144 | case POLYMORPH: | |
145 | if (monster->m_flags & HOLDS) { | |
146 | being_held = 0; | |
147 | } | |
148 | nm = monster->next_monster; | |
149 | tc = monster->trail_char; | |
150 | (void) gr_monster(monster, get_rand(0, MONSTERS-1)); | |
151 | monster->row = row; | |
152 | monster->col = col; | |
153 | monster->next_monster = nm; | |
154 | monster->trail_char = tc; | |
155 | if (!(monster->m_flags & IMITATES)) { | |
156 | wake_up(monster); | |
157 | } | |
158 | break; | |
159 | case MAGIC_MISSILE: | |
160 | rogue_hit(monster, 1); | |
161 | break; | |
162 | case CANCELLATION: | |
163 | if (monster->m_flags & HOLDS) { | |
164 | being_held = 0; | |
165 | } | |
166 | if (monster->m_flags & STEALS_ITEM) { | |
167 | monster->drop_percent = 0; | |
168 | } | |
169 | monster->m_flags &= (~(FLIES | FLITS | SPECIAL_HIT | INVISIBLE | | |
170 | FLAMES | IMITATES | CONFUSES | SEEKS_GOLD | HOLDS)); | |
171 | break; | |
172 | case DO_NOTHING: | |
173 | message("nothing happens", 0); | |
174 | break; | |
175 | } | |
176 | } | |
177 | ||
178 | tele_away(monster) | |
179 | object *monster; | |
180 | { | |
181 | short row, col; | |
182 | ||
183 | if (monster->m_flags & HOLDS) { | |
184 | being_held = 0; | |
185 | } | |
186 | gr_row_col(&row, &col, (FLOOR | TUNNEL | STAIRS | OBJECT)); | |
187 | mvaddch(monster->row, monster->col, monster->trail_char); | |
188 | dungeon[monster->row][monster->col] &= ~MONSTER; | |
189 | monster->row = row; monster->col = col; | |
190 | dungeon[row][col] |= MONSTER; | |
191 | monster->trail_char = mvinch(row, col); | |
192 | if (detect_monster || rogue_can_see(row, col)) { | |
193 | mvaddch(row, col, gmc(monster)); | |
194 | } | |
195 | } | |
196 | ||
197 | wizardize() | |
198 | { | |
199 | char buf[100]; | |
200 | ||
201 | if (wizard) { | |
202 | wizard = 0; | |
203 | message("not wizard anymore", 0); | |
204 | } else { | |
205 | if (get_input_line("wizard's password:", "", buf, "", 0, 0)) { | |
206 | (void) xxx(1); | |
207 | xxxx(buf, strlen(buf)); | |
208 | if (!strncmp(buf, "\247\104\126\272\115\243\027", 7)) { | |
209 | wizard = 1; | |
210 | score_only = 1; | |
211 | message("Welcome, mighty wizard!", 0); | |
212 | } else { | |
213 | message("sorry", 0); | |
214 | } | |
215 | } | |
216 | } | |
217 | } | |
218 | ||
219 | wdrain_life(monster) | |
220 | object *monster; | |
221 | { | |
222 | short hp; | |
223 | object *lmon, *nm; | |
224 | ||
225 | hp = rogue.hp_current / 3; | |
226 | rogue.hp_current = (rogue.hp_current + 1) / 2; | |
227 | ||
228 | if (cur_room >= 0) { | |
229 | lmon = level_monsters.next_monster; | |
230 | while (lmon) { | |
231 | nm = lmon->next_monster; | |
232 | if (get_room_number(lmon->row, lmon->col) == cur_room) { | |
233 | wake_up(lmon); | |
234 | (void) mon_damage(lmon, hp); | |
235 | } | |
236 | lmon = nm; | |
237 | } | |
238 | } else { | |
239 | if (monster) { | |
240 | wake_up(monster); | |
241 | (void) mon_damage(monster, hp); | |
242 | } | |
243 | } | |
244 | print_stats(STAT_HP); | |
245 | relight(); | |
246 | } | |
247 | ||
248 | bounce(ball, dir, row, col, r) | |
249 | short ball, dir, row, col, r; | |
250 | { | |
251 | short orow, ocol; | |
252 | char buf[DCOLS], *s; | |
253 | short i, ch, new_dir = -1, damage; | |
254 | static short btime; | |
255 | ||
256 | if (++r == 1) { | |
257 | btime = get_rand(3, 6); | |
258 | } else if (r > btime) { | |
259 | return; | |
260 | } | |
261 | ||
262 | if (ball == FIRE) { | |
263 | s = "fire"; | |
264 | } else { | |
265 | s = "ice"; | |
266 | } | |
267 | if (r > 1) { | |
268 | sprintf(buf, "the %s bounces", s); | |
269 | message(buf, 0); | |
270 | } | |
271 | orow = row; | |
272 | ocol = col; | |
273 | do { | |
274 | ch = mvinch(orow, ocol); | |
275 | standout(); | |
276 | mvaddch(orow, ocol, ch); | |
277 | get_dir_rc(dir, &orow, &ocol, 1); | |
278 | } while (!( (ocol <= 0) || | |
279 | (ocol >= DCOLS-1) || | |
280 | (dungeon[orow][ocol] == NOTHING) || | |
281 | (dungeon[orow][ocol] & MONSTER) || | |
282 | (dungeon[orow][ocol] & (HORWALL | VERTWALL)) || | |
283 | ((orow == rogue.row) && (ocol == rogue.col)))); | |
284 | standend(); | |
285 | refresh(); | |
286 | do { | |
287 | orow = row; | |
288 | ocol = col; | |
289 | ch = mvinch(row, col); | |
290 | mvaddch(row, col, ch); | |
291 | get_dir_rc(dir, &row, &col, 1); | |
292 | } while (!( (col <= 0) || | |
293 | (col >= DCOLS-1) || | |
294 | (dungeon[row][col] == NOTHING) || | |
295 | (dungeon[row][col] & MONSTER) || | |
296 | (dungeon[row][col] & (HORWALL | VERTWALL)) || | |
297 | ((row == rogue.row) && (col == rogue.col)))); | |
298 | ||
299 | if (dungeon[row][col] & MONSTER) { | |
300 | object *monster; | |
301 | ||
302 | monster = object_at(&level_monsters, row, col); | |
303 | ||
304 | wake_up(monster); | |
305 | if (rand_percent(33)) { | |
306 | sprintf(buf, "the %s misses the %s", s, mon_name(monster)); | |
307 | message(buf, 0); | |
308 | goto ND; | |
309 | } | |
310 | if (ball == FIRE) { | |
311 | if (!(monster->m_flags & RUSTS)) { | |
312 | if (monster->m_flags & FREEZES) { | |
313 | damage = monster->hp_to_kill; | |
314 | } else if (monster->m_flags & FLAMES) { | |
315 | damage = (monster->hp_to_kill / 10) + 1; | |
316 | } else { | |
317 | damage = get_rand((rogue.hp_current / 3), rogue.hp_max); | |
318 | } | |
319 | } else { | |
320 | damage = (monster->hp_to_kill / 2) + 1; | |
321 | } | |
322 | sprintf(buf, "the %s hits the %s", s, mon_name(monster)); | |
323 | message(buf, 0); | |
324 | (void) mon_damage(monster, damage); | |
325 | } else { | |
326 | damage = -1; | |
327 | if (!(monster->m_flags & FREEZES)) { | |
328 | if (rand_percent(33)) { | |
329 | message("the monster is frozen", 0); | |
330 | monster->m_flags |= (ASLEEP | NAPPING); | |
331 | monster->nap_length = get_rand(3, 6); | |
332 | } else { | |
333 | damage = rogue.hp_current / 4; | |
334 | } | |
335 | } else { | |
336 | damage = -2; | |
337 | } | |
338 | if (damage != -1) { | |
339 | sprintf(buf, "the %s hits the %s", s, mon_name(monster)); | |
340 | message(buf, 0); | |
341 | (void) mon_damage(monster, damage); | |
342 | } | |
343 | } | |
344 | } else if ((row == rogue.row) && (col == rogue.col)) { | |
345 | if (rand_percent(10 + (3 * get_armor_class(rogue.armor)))) { | |
346 | sprintf(buf, "the %s misses", s); | |
347 | message(buf, 0); | |
348 | goto ND; | |
349 | } else { | |
350 | damage = get_rand(3, (3 * rogue.exp)); | |
351 | if (ball == FIRE) { | |
352 | damage = (damage * 3) / 2; | |
353 | damage -= get_armor_class(rogue.armor); | |
354 | } | |
355 | sprintf(buf, "the %s hits", s); | |
356 | rogue_damage(damage, (object *) 0, | |
357 | ((ball == FIRE) ? KFIRE : HYPOTHERMIA)); | |
358 | message(buf, 0); | |
359 | } | |
360 | } else { | |
361 | short nrow, ncol; | |
362 | ||
363 | ND: for (i = 0; i < 10; i++) { | |
364 | dir = get_rand(0, DIRS-1); | |
365 | nrow = orow; | |
366 | ncol = ocol; | |
367 | get_dir_rc(dir, &nrow, &ncol, 1); | |
368 | if (((ncol >= 0) && (ncol <= DCOLS-1)) && | |
369 | (dungeon[nrow][ncol] != NOTHING) && | |
370 | (!(dungeon[nrow][ncol] & (VERTWALL | HORWALL)))) { | |
371 | new_dir = dir; | |
372 | break; | |
373 | } | |
374 | } | |
375 | if (new_dir != -1) { | |
376 | bounce(ball, new_dir, orow, ocol, r); | |
377 | } | |
378 | } | |
379 | } |