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 "hack.h"
65 #include "extern.h"
66
67 static void ghost_from_bottle(void);
68
69 int
dodrink(void)70 dodrink(void)
71 {
72 struct obj *otmp, *objs;
73 struct monst *mtmp;
74 int unkn = 0, nothing = 0;
75
76 otmp = getobj("!", "drink");
77 if (!otmp)
78 return (0);
79 if (!strcmp(objects[otmp->otyp].oc_descr, "smoky") && !rn2(13)) {
80 ghost_from_bottle();
81 goto use_it;
82 }
83 switch (otmp->otyp) {
84 case POT_RESTORE_STRENGTH:
85 unkn++;
86 pline("Wow! This makes you feel great!");
87 if (u.ustr < u.ustrmax) {
88 u.ustr = u.ustrmax;
89 flags.botl = 1;
90 }
91 break;
92 case POT_BOOZE:
93 unkn++;
94 pline("Ooph! This tastes like liquid fire!");
95 Confusion += d(3, 8);
96 /* the whiskey makes us feel better */
97 if (u.uhp < u.uhpmax)
98 losehp(-1, "bottle of whiskey");
99 if (!rn2(4)) {
100 pline("You pass out.");
101 multi = -rnd(15);
102 nomovemsg = "You awake with a headache.";
103 }
104 break;
105 case POT_INVISIBILITY:
106 if (Invis || See_invisible)
107 nothing++;
108 else {
109 if (!Blind)
110 pline("Gee! All of a sudden, you can't see yourself.");
111 else
112 pline("You feel rather airy."), unkn++;
113 newsym(u.ux, u.uy);
114 }
115 Invis += rn1(15, 31);
116 break;
117 case POT_FRUIT_JUICE:
118 pline("This tastes like fruit juice.");
119 lesshungry(20);
120 break;
121 case POT_HEALING:
122 pline("You begin to feel better.");
123 flags.botl = 1;
124 u.uhp += rnd(10);
125 if (u.uhp > u.uhpmax)
126 u.uhp = ++u.uhpmax;
127 if (Blind)
128 Blind = 1; /* see on next move */
129 if (Sick)
130 Sick = 0;
131 break;
132 case POT_PARALYSIS:
133 if (Levitation)
134 pline("You are motionlessly suspended.");
135 else
136 pline("Your feet are frozen to the floor!");
137 nomul(-(rn1(10, 25)));
138 break;
139 case POT_MONSTER_DETECTION:
140 if (!fmon) {
141 strange_feeling(otmp, "You feel threatened.");
142 return (1);
143 } else {
144 cls();
145 for (mtmp = fmon; mtmp; mtmp = mtmp->nmon)
146 if (mtmp->mx > 0)
147 at(mtmp->mx, mtmp->my, mtmp->data->mlet);
148 prme();
149 pline("You sense the presence of monsters.");
150 more();
151 docrt();
152 }
153 break;
154 case POT_OBJECT_DETECTION:
155 if (!fobj) {
156 strange_feeling(otmp, "You feel a pull downward.");
157 return (1);
158 } else {
159 for (objs = fobj; objs; objs = objs->nobj)
160 if (objs->ox != u.ux || objs->oy != u.uy)
161 goto outobjmap;
162 pline("You sense the presence of objects close nearby.");
163 break;
164 outobjmap:
165 cls();
166 for (objs = fobj; objs; objs = objs->nobj)
167 at(objs->ox, objs->oy, objs->olet);
168 prme();
169 pline("You sense the presence of objects.");
170 more();
171 docrt();
172 }
173 break;
174 case POT_SICKNESS:
175 pline("Yech! This stuff tastes like poison.");
176 if (Poison_resistance)
177 pline("(But in fact it was biologically contaminated orange juice.)");
178 losestr(rn1(4, 3));
179 losehp(rnd(10), "contaminated potion");
180 break;
181 case POT_CONFUSION:
182 if (!Confusion)
183 pline("Huh, What? Where am I?");
184 else
185 nothing++;
186 Confusion += rn1(7, 16);
187 break;
188 case POT_GAIN_STRENGTH:
189 pline("Wow do you feel strong!");
190 if (u.ustr >= 118)
191 break; /* > 118 is impossible */
192 if (u.ustr > 17)
193 u.ustr += rnd(118 - u.ustr);
194 else
195 u.ustr++;
196 if (u.ustr > u.ustrmax)
197 u.ustrmax = u.ustr;
198 flags.botl = 1;
199 break;
200 case POT_SPEED:
201 if (Wounded_legs) {
202 heal_legs();
203 unkn++;
204 break;
205 }
206 if (!(Fast & ~INTRINSIC))
207 pline("You are suddenly moving much faster.");
208 else
209 pline("Your legs get new energy."), unkn++;
210 Fast += rn1(10, 100);
211 break;
212 case POT_BLINDNESS:
213 if (!Blind)
214 pline("A cloud of darkness falls upon you.");
215 else
216 nothing++;
217 Blind += rn1(100, 250);
218 seeoff(0);
219 break;
220 case POT_GAIN_LEVEL:
221 pluslvl();
222 break;
223 case POT_EXTRA_HEALING:
224 pline("You feel much better.");
225 flags.botl = 1;
226 u.uhp += d(2, 20) + 1;
227 if (u.uhp > u.uhpmax)
228 u.uhp = (u.uhpmax += 2);
229 if (Blind)
230 Blind = 1;
231 if (Sick)
232 Sick = 0;
233 break;
234 case POT_LEVITATION:
235 if (!Levitation)
236 float_up();
237 else
238 nothing++;
239 Levitation += rnd(100);
240 u.uprops[PROP(RIN_LEVITATION)].p_tofn = float_down;
241 break;
242 default:
243 impossible("What a funny potion! (%u)", otmp->otyp);
244 return (0);
245 }
246 if (nothing) {
247 unkn++;
248 pline("You have a peculiar feeling for a moment, then it passes.");
249 }
250 if (otmp->dknown && !objects[otmp->otyp].oc_name_known) {
251 if (!unkn) {
252 objects[otmp->otyp].oc_name_known = 1;
253 more_experienced(0, 10);
254 } else if (!objects[otmp->otyp].oc_uname)
255 docall(otmp);
256 }
257 use_it:
258 useup(otmp);
259 return (1);
260 }
261
262 void
pluslvl(void)263 pluslvl(void)
264 {
265 int num;
266
267 pline("You feel more experienced.");
268 num = rnd(10);
269 u.uhpmax += num;
270 u.uhp += num;
271 if (u.ulevel < 14) {
272 u.uexp = newuexp() + 1;
273 pline("Welcome to experience level %u.", ++u.ulevel);
274 }
275 flags.botl = 1;
276 }
277
278 void
strange_feeling(struct obj * obj,const char * txt)279 strange_feeling(struct obj *obj, const char *txt)
280 {
281 if (flags.beginner)
282 pline("You have a strange feeling for a moment, then it passes.");
283 else
284 pline("%s", txt);
285 if (!objects[obj->otyp].oc_name_known && !objects[obj->otyp].oc_uname)
286 docall(obj);
287 useup(obj);
288 }
289
290 static const char *const bottlenames[] = {
291 "bottle", "phial", "flagon", "carafe", "flask", "jar", "vial"
292 };
293
294 void
potionhit(struct monst * mon,struct obj * obj)295 potionhit(struct monst *mon, struct obj *obj)
296 {
297 const char *botlnam = bottlenames[rn2(SIZE(bottlenames))];
298 boolean uclose, isyou = (mon == &youmonst);
299
300 if (isyou) {
301 uclose = TRUE;
302 pline("The %s crashes on your head and breaks into shivers.",
303 botlnam);
304 losehp(rnd(2), "thrown potion");
305 } else {
306 uclose = (dist(mon->mx, mon->my) < 3);
307 /* perhaps 'E' and 'a' have no head? */
308 pline("The %s crashes on %s's head and breaks into shivers.",
309 botlnam, monnam(mon));
310 if (rn2(5) && mon->mhp > 1)
311 mon->mhp--;
312 }
313 pline("The %s evaporates.", xname(obj));
314
315 if (!isyou && !rn2(3))
316 switch (obj->otyp) {
317
318 case POT_RESTORE_STRENGTH:
319 case POT_GAIN_STRENGTH:
320 case POT_HEALING:
321 case POT_EXTRA_HEALING:
322 if (mon->mhp < mon->mhpmax) {
323 mon->mhp = mon->mhpmax;
324 pline("%s looks sound and hale again!", Monnam(mon));
325 }
326 break;
327 case POT_SICKNESS:
328 if (mon->mhpmax > 3)
329 mon->mhpmax /= 2;
330 if (mon->mhp > 2)
331 mon->mhp /= 2;
332 break;
333 case POT_CONFUSION:
334 case POT_BOOZE:
335 mon->mconf = 1;
336 break;
337 case POT_INVISIBILITY:
338 unpmon(mon);
339 mon->minvis = 1;
340 pmon(mon);
341 break;
342 case POT_PARALYSIS:
343 mon->mfroz = 1;
344 break;
345 case POT_SPEED:
346 mon->mspeed = MFAST;
347 break;
348 case POT_BLINDNESS:
349 mon->mblinded |= 64 + rn2(64);
350 break;
351 /*
352 * case POT_GAIN_LEVEL: case POT_LEVITATION: case
353 * POT_FRUIT_JUICE: case POT_MONSTER_DETECTION: case
354 * POT_OBJECT_DETECTION: break;
355 */
356 }
357 if (uclose && rn2(5))
358 potionbreathe(obj);
359 obfree(obj, Null(obj));
360 }
361
362 void
potionbreathe(struct obj * obj)363 potionbreathe(struct obj *obj)
364 {
365 switch (obj->otyp) {
366 case POT_RESTORE_STRENGTH:
367 case POT_GAIN_STRENGTH:
368 if (u.ustr < u.ustrmax)
369 u.ustr++, flags.botl = 1;
370 break;
371 case POT_HEALING:
372 case POT_EXTRA_HEALING:
373 if (u.uhp < u.uhpmax)
374 u.uhp++, flags.botl = 1;
375 break;
376 case POT_SICKNESS:
377 if (u.uhp <= 5)
378 u.uhp = 1;
379 else
380 u.uhp -= 5;
381 flags.botl = 1;
382 break;
383 case POT_CONFUSION:
384 case POT_BOOZE:
385 if (!Confusion)
386 pline("You feel somewhat dizzy.");
387 Confusion += rnd(5);
388 break;
389 case POT_INVISIBILITY:
390 pline("For an instant you couldn't see your right hand.");
391 break;
392 case POT_PARALYSIS:
393 pline("Something seems to be holding you.");
394 nomul(-rnd(5));
395 break;
396 case POT_SPEED:
397 Fast += rnd(5);
398 pline("Your knees seem more flexible now.");
399 break;
400 case POT_BLINDNESS:
401 if (!Blind)
402 pline("It suddenly gets dark.");
403 Blind += rnd(5);
404 seeoff(0);
405 break;
406 /*
407 * case POT_GAIN_LEVEL: case POT_LEVITATION: case
408 * POT_FRUIT_JUICE: case POT_MONSTER_DETECTION: case
409 * POT_OBJECT_DETECTION: break;
410 */
411 }
412 /* note: no obfree() */
413 }
414
415 /*
416 * -- rudimentary -- to do this correctly requires much more work
417 * -- all sharp weapons get one or more qualities derived from the potions
418 * -- texts on scrolls may be (partially) wiped out; do they become blank?
419 * -- or does their effect change, like under Confusion?
420 * -- all objects may be made invisible by POT_INVISIBILITY
421 * -- If the flask is small, can one dip a large object? Does it magically
422 * -- become a jug? Etc.
423 */
424 int
dodip(void)425 dodip(void)
426 {
427 struct obj *potion, *obj;
428
429 if (!(obj = getobj("#", "dip")))
430 return (0);
431 if (!(potion = getobj("!", "dip into")))
432 return (0);
433 pline("Interesting...");
434 if (obj->otyp == ARROW || obj->otyp == DART ||
435 obj->otyp == CROSSBOW_BOLT) {
436 if (potion->otyp == POT_SICKNESS) {
437 useup(potion);
438 if (obj->spe < 7)
439 obj->spe++; /* %% */
440 }
441 }
442 return (1);
443 }
444
445 static void
ghost_from_bottle(void)446 ghost_from_bottle(void)
447 {
448 struct monst *mtmp;
449
450 if (!(mtmp = makemon(PM_GHOST, u.ux, u.uy))) {
451 pline("This bottle turns out to be empty.");
452 return;
453 }
454 mnexto(mtmp);
455 pline("As you open the bottle, an enormous ghost emerges!");
456 pline("You are frightened to death, and unable to move.");
457 nomul(-3);
458 }
459