1 /* $NetBSD: hack.potion.c,v 1.9 2011/05/23 22:53:25 joerg Exp $ */
2
3 /*
4 * Copyright (c) 1985, Stichting Centrum voor Wiskunde en Informatica,
5 * Amsterdam
6 * 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 are
10 * met:
11 *
12 * - Redistributions of source code must retain the above copyright notice,
13 * this list of conditions and the following disclaimer.
14 *
15 * - Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * - Neither the name of the Stichting Centrum voor Wiskunde en
20 * Informatica, nor the names of its contributors may be used to endorse or
21 * promote products derived from this software without specific prior
22 * written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
25 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
26 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
27 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
28 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
29 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
30 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
31 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
32 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
33 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
34 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 */
36
37 /*
38 * Copyright (c) 1982 Jay Fenlason <hack@gnu.org>
39 * All rights reserved.
40 *
41 * Redistribution and use in source and binary forms, with or without
42 * modification, are permitted provided that the following conditions
43 * are met:
44 * 1. Redistributions of source code must retain the above copyright
45 * notice, this list of conditions and the following disclaimer.
46 * 2. Redistributions in binary form must reproduce the above copyright
47 * notice, this list of conditions and the following disclaimer in the
48 * documentation and/or other materials provided with the distribution.
49 * 3. The name of the author may not be used to endorse or promote products
50 * derived from this software without specific prior written permission.
51 *
52 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
53 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
54 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
55 * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
56 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
57 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
58 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
59 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
60 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
61 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
62 */
63
64 #include <sys/cdefs.h>
65 #ifndef lint
66 __RCSID("$NetBSD: hack.potion.c,v 1.9 2011/05/23 22:53:25 joerg Exp $");
67 #endif /* not lint */
68
69 #include "hack.h"
70 #include "extern.h"
71
72 static void ghost_from_bottle(void);
73
74 int
dodrink(void)75 dodrink(void)
76 {
77 struct obj *otmp, *objs;
78 struct monst *mtmp;
79 int unkn = 0, nothing = 0;
80
81 otmp = getobj("!", "drink");
82 if (!otmp)
83 return (0);
84 if (!strcmp(objects[otmp->otyp].oc_descr, "smoky") && !rn2(13)) {
85 ghost_from_bottle();
86 goto use_it;
87 }
88 switch (otmp->otyp) {
89 case POT_RESTORE_STRENGTH:
90 unkn++;
91 pline("Wow! This makes you feel great!");
92 if (u.ustr < u.ustrmax) {
93 u.ustr = u.ustrmax;
94 flags.botl = 1;
95 }
96 break;
97 case POT_BOOZE:
98 unkn++;
99 pline("Ooph! This tastes like liquid fire!");
100 Confusion += d(3, 8);
101 /* the whiskey makes us feel better */
102 if (u.uhp < u.uhpmax)
103 losehp(-1, "bottle of whiskey");
104 if (!rn2(4)) {
105 pline("You pass out.");
106 multi = -rnd(15);
107 nomovemsg = "You awake with a headache.";
108 }
109 break;
110 case POT_INVISIBILITY:
111 if (Invis || See_invisible)
112 nothing++;
113 else {
114 if (!Blind)
115 pline("Gee! All of a sudden, you can't see yourself.");
116 else
117 pline("You feel rather airy."), unkn++;
118 newsym(u.ux, u.uy);
119 }
120 Invis += rn1(15, 31);
121 break;
122 case POT_FRUIT_JUICE:
123 pline("This tastes like fruit juice.");
124 lesshungry(20);
125 break;
126 case POT_HEALING:
127 pline("You begin to feel better.");
128 flags.botl = 1;
129 u.uhp += rnd(10);
130 if (u.uhp > u.uhpmax)
131 u.uhp = ++u.uhpmax;
132 if (Blind)
133 Blind = 1; /* see on next move */
134 if (Sick)
135 Sick = 0;
136 break;
137 case POT_PARALYSIS:
138 if (Levitation)
139 pline("You are motionlessly suspended.");
140 else
141 pline("Your feet are frozen to the floor!");
142 nomul(-(rn1(10, 25)));
143 break;
144 case POT_MONSTER_DETECTION:
145 if (!fmon) {
146 strange_feeling(otmp, "You feel threatened.");
147 return (1);
148 } else {
149 cls();
150 for (mtmp = fmon; mtmp; mtmp = mtmp->nmon)
151 if (mtmp->mx > 0)
152 at(mtmp->mx, mtmp->my, mtmp->data->mlet);
153 prme();
154 pline("You sense the presence of monsters.");
155 more();
156 docrt();
157 }
158 break;
159 case POT_OBJECT_DETECTION:
160 if (!fobj) {
161 strange_feeling(otmp, "You feel a pull downward.");
162 return (1);
163 } else {
164 for (objs = fobj; objs; objs = objs->nobj)
165 if (objs->ox != u.ux || objs->oy != u.uy)
166 goto outobjmap;
167 pline("You sense the presence of objects close nearby.");
168 break;
169 outobjmap:
170 cls();
171 for (objs = fobj; objs; objs = objs->nobj)
172 at(objs->ox, objs->oy, objs->olet);
173 prme();
174 pline("You sense the presence of objects.");
175 more();
176 docrt();
177 }
178 break;
179 case POT_SICKNESS:
180 pline("Yech! This stuff tastes like poison.");
181 if (Poison_resistance)
182 pline("(But in fact it was biologically contaminated orange juice.)");
183 losestr(rn1(4, 3));
184 losehp(rnd(10), "contaminated potion");
185 break;
186 case POT_CONFUSION:
187 if (!Confusion)
188 pline("Huh, What? Where am I?");
189 else
190 nothing++;
191 Confusion += rn1(7, 16);
192 break;
193 case POT_GAIN_STRENGTH:
194 pline("Wow do you feel strong!");
195 if (u.ustr >= 118)
196 break; /* > 118 is impossible */
197 if (u.ustr > 17)
198 u.ustr += rnd(118 - u.ustr);
199 else
200 u.ustr++;
201 if (u.ustr > u.ustrmax)
202 u.ustrmax = u.ustr;
203 flags.botl = 1;
204 break;
205 case POT_SPEED:
206 if (Wounded_legs) {
207 heal_legs();
208 unkn++;
209 break;
210 }
211 if (!(Fast & ~INTRINSIC))
212 pline("You are suddenly moving much faster.");
213 else
214 pline("Your legs get new energy."), unkn++;
215 Fast += rn1(10, 100);
216 break;
217 case POT_BLINDNESS:
218 if (!Blind)
219 pline("A cloud of darkness falls upon you.");
220 else
221 nothing++;
222 Blind += rn1(100, 250);
223 seeoff(0);
224 break;
225 case POT_GAIN_LEVEL:
226 pluslvl();
227 break;
228 case POT_EXTRA_HEALING:
229 pline("You feel much better.");
230 flags.botl = 1;
231 u.uhp += d(2, 20) + 1;
232 if (u.uhp > u.uhpmax)
233 u.uhp = (u.uhpmax += 2);
234 if (Blind)
235 Blind = 1;
236 if (Sick)
237 Sick = 0;
238 break;
239 case POT_LEVITATION:
240 if (!Levitation)
241 float_up();
242 else
243 nothing++;
244 Levitation += rnd(100);
245 u.uprops[PROP(RIN_LEVITATION)].p_tofn = float_down;
246 break;
247 default:
248 impossible("What a funny potion! (%u)", otmp->otyp);
249 return (0);
250 }
251 if (nothing) {
252 unkn++;
253 pline("You have a peculiar feeling for a moment, then it passes.");
254 }
255 if (otmp->dknown && !objects[otmp->otyp].oc_name_known) {
256 if (!unkn) {
257 objects[otmp->otyp].oc_name_known = 1;
258 more_experienced(0, 10);
259 } else if (!objects[otmp->otyp].oc_uname)
260 docall(otmp);
261 }
262 use_it:
263 useup(otmp);
264 return (1);
265 }
266
267 void
pluslvl(void)268 pluslvl(void)
269 {
270 int num;
271
272 pline("You feel more experienced.");
273 num = rnd(10);
274 u.uhpmax += num;
275 u.uhp += num;
276 if (u.ulevel < 14) {
277 u.uexp = newuexp() + 1;
278 pline("Welcome to experience level %u.", ++u.ulevel);
279 }
280 flags.botl = 1;
281 }
282
283 void
strange_feeling(struct obj * obj,const char * txt)284 strange_feeling(struct obj *obj, const char *txt)
285 {
286 if (flags.beginner)
287 pline("You have a strange feeling for a moment, then it passes.");
288 else
289 pline("%s", txt);
290 if (!objects[obj->otyp].oc_name_known && !objects[obj->otyp].oc_uname)
291 docall(obj);
292 useup(obj);
293 }
294
295 static const char *const bottlenames[] = {
296 "bottle", "phial", "flagon", "carafe", "flask", "jar", "vial"
297 };
298
299 void
potionhit(struct monst * mon,struct obj * obj)300 potionhit(struct monst *mon, struct obj *obj)
301 {
302 const char *botlnam = bottlenames[rn2(SIZE(bottlenames))];
303 boolean uclose, isyou = (mon == &youmonst);
304
305 if (isyou) {
306 uclose = TRUE;
307 pline("The %s crashes on your head and breaks into shivers.",
308 botlnam);
309 losehp(rnd(2), "thrown potion");
310 } else {
311 uclose = (dist(mon->mx, mon->my) < 3);
312 /* perhaps 'E' and 'a' have no head? */
313 pline("The %s crashes on %s's head and breaks into shivers.",
314 botlnam, monnam(mon));
315 if (rn2(5) && mon->mhp > 1)
316 mon->mhp--;
317 }
318 pline("The %s evaporates.", xname(obj));
319
320 if (!isyou && !rn2(3))
321 switch (obj->otyp) {
322
323 case POT_RESTORE_STRENGTH:
324 case POT_GAIN_STRENGTH:
325 case POT_HEALING:
326 case POT_EXTRA_HEALING:
327 if (mon->mhp < mon->mhpmax) {
328 mon->mhp = mon->mhpmax;
329 pline("%s looks sound and hale again!", Monnam(mon));
330 }
331 break;
332 case POT_SICKNESS:
333 if (mon->mhpmax > 3)
334 mon->mhpmax /= 2;
335 if (mon->mhp > 2)
336 mon->mhp /= 2;
337 break;
338 case POT_CONFUSION:
339 case POT_BOOZE:
340 mon->mconf = 1;
341 break;
342 case POT_INVISIBILITY:
343 unpmon(mon);
344 mon->minvis = 1;
345 pmon(mon);
346 break;
347 case POT_PARALYSIS:
348 mon->mfroz = 1;
349 break;
350 case POT_SPEED:
351 mon->mspeed = MFAST;
352 break;
353 case POT_BLINDNESS:
354 mon->mblinded |= 64 + rn2(64);
355 break;
356 /*
357 * case POT_GAIN_LEVEL: case POT_LEVITATION: case
358 * POT_FRUIT_JUICE: case POT_MONSTER_DETECTION: case
359 * POT_OBJECT_DETECTION: break;
360 */
361 }
362 if (uclose && rn2(5))
363 potionbreathe(obj);
364 obfree(obj, Null(obj));
365 }
366
367 void
potionbreathe(struct obj * obj)368 potionbreathe(struct obj *obj)
369 {
370 switch (obj->otyp) {
371 case POT_RESTORE_STRENGTH:
372 case POT_GAIN_STRENGTH:
373 if (u.ustr < u.ustrmax)
374 u.ustr++, flags.botl = 1;
375 break;
376 case POT_HEALING:
377 case POT_EXTRA_HEALING:
378 if (u.uhp < u.uhpmax)
379 u.uhp++, flags.botl = 1;
380 break;
381 case POT_SICKNESS:
382 if (u.uhp <= 5)
383 u.uhp = 1;
384 else
385 u.uhp -= 5;
386 flags.botl = 1;
387 break;
388 case POT_CONFUSION:
389 case POT_BOOZE:
390 if (!Confusion)
391 pline("You feel somewhat dizzy.");
392 Confusion += rnd(5);
393 break;
394 case POT_INVISIBILITY:
395 pline("For an instant you couldn't see your right hand.");
396 break;
397 case POT_PARALYSIS:
398 pline("Something seems to be holding you.");
399 nomul(-rnd(5));
400 break;
401 case POT_SPEED:
402 Fast += rnd(5);
403 pline("Your knees seem more flexible now.");
404 break;
405 case POT_BLINDNESS:
406 if (!Blind)
407 pline("It suddenly gets dark.");
408 Blind += rnd(5);
409 seeoff(0);
410 break;
411 /*
412 * case POT_GAIN_LEVEL: case POT_LEVITATION: case
413 * POT_FRUIT_JUICE: case POT_MONSTER_DETECTION: case
414 * POT_OBJECT_DETECTION: break;
415 */
416 }
417 /* note: no obfree() */
418 }
419
420 /*
421 * -- rudimentary -- to do this correctly requires much more work
422 * -- all sharp weapons get one or more qualities derived from the potions
423 * -- texts on scrolls may be (partially) wiped out; do they become blank?
424 * -- or does their effect change, like under Confusion?
425 * -- all objects may be made invisible by POT_INVISIBILITY
426 * -- If the flask is small, can one dip a large object? Does it magically
427 * -- become a jug? Etc.
428 */
429 int
dodip(void)430 dodip(void)
431 {
432 struct obj *potion, *obj;
433
434 if (!(obj = getobj("#", "dip")))
435 return (0);
436 if (!(potion = getobj("!", "dip into")))
437 return (0);
438 pline("Interesting...");
439 if (obj->otyp == ARROW || obj->otyp == DART ||
440 obj->otyp == CROSSBOW_BOLT) {
441 if (potion->otyp == POT_SICKNESS) {
442 useup(potion);
443 if (obj->spe < 7)
444 obj->spe++; /* %% */
445 }
446 }
447 return (1);
448 }
449
450 static void
ghost_from_bottle(void)451 ghost_from_bottle(void)
452 {
453 struct monst *mtmp;
454
455 if (!(mtmp = makemon(PM_GHOST, u.ux, u.uy))) {
456 pline("This bottle turns out to be empty.");
457 return;
458 }
459 mnexto(mtmp);
460 pline("As you open the bottle, an enormous ghost emerges!");
461 pline("You are frightened to death, and unable to move.");
462 nomul(-3);
463 }
464