1 /* $OpenBSD: hack.potion.c,v 1.7 2016/01/09 18:33:15 mestre 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
66 extern char *nomovemsg;
67 extern struct monst youmonst;
68 extern struct monst *makemon(struct permonst *, int, int);
69
70 static void ghost_from_bottle(void);
71
72 int
dodrink(void)73 dodrink(void)
74 {
75 struct obj *otmp,*objs;
76 struct monst *mtmp;
77 int unkn = 0, nothing = 0;
78
79 otmp = getobj("!", "drink");
80 if(!otmp) return(0);
81 if(!strcmp(objects[otmp->otyp].oc_descr, "smoky") && !rn2(13)) {
82 ghost_from_bottle();
83 goto use_it;
84 }
85 switch(otmp->otyp){
86 case POT_RESTORE_STRENGTH:
87 unkn++;
88 pline("Wow! This makes you feel great!");
89 if(u.ustr < u.ustrmax) {
90 u.ustr = u.ustrmax;
91 flags.botl = 1;
92 }
93 break;
94 case POT_BOOZE:
95 unkn++;
96 pline("Ooph! This tastes like liquid fire!");
97 Confusion += d(3,8);
98 /* the whiskey makes us feel better */
99 if(u.uhp < u.uhpmax) losehp(-1, "bottle of whiskey");
100 if(!rn2(4)) {
101 pline("You pass out.");
102 multi = -rnd(15);
103 nomovemsg = "You awake with a headache.";
104 }
105 break;
106 case POT_INVISIBILITY:
107 if(Invis || See_invisible)
108 nothing++;
109 else {
110 if(!Blind)
111 pline("Gee! All of a sudden, you can't see yourself.");
112 else
113 pline("You feel rather airy."), unkn++;
114 newsym(u.ux,u.uy);
115 }
116 Invis += rn1(15,31);
117 break;
118 case POT_FRUIT_JUICE:
119 pline("This tastes like fruit juice.");
120 lesshungry(20);
121 break;
122 case POT_HEALING:
123 pline("You begin to feel better.");
124 flags.botl = 1;
125 u.uhp += rnd(10);
126 if(u.uhp > u.uhpmax)
127 u.uhp = ++u.uhpmax;
128 if(Blind) Blind = 1; /* see on next move */
129 if(Sick) Sick = 0;
130 break;
131 case POT_PARALYSIS:
132 if(Levitation)
133 pline("You are motionlessly suspended.");
134 else
135 pline("Your feet are frozen to the floor!");
136 nomul(-(rn1(10,25)));
137 break;
138 case POT_MONSTER_DETECTION:
139 if(!fmon) {
140 strange_feeling(otmp, "You feel threatened.");
141 return(1);
142 } else {
143 cls();
144 for(mtmp = fmon; mtmp; mtmp = mtmp->nmon)
145 if(mtmp->mx > 0)
146 at(mtmp->mx,mtmp->my,mtmp->data->mlet);
147 prme();
148 pline("You sense the presence of monsters.");
149 more();
150 docrt();
151 }
152 break;
153 case POT_OBJECT_DETECTION:
154 if(!fobj) {
155 strange_feeling(otmp, "You feel a pull downward.");
156 return(1);
157 } else {
158 for(objs = fobj; objs; objs = objs->nobj)
159 if(objs->ox != u.ux || objs->oy != u.uy)
160 goto outobjmap;
161 pline("You sense the presence of objects close nearby.");
162 break;
163 outobjmap:
164 cls();
165 for(objs = fobj; objs; objs = objs->nobj)
166 at(objs->ox,objs->oy,objs->olet);
167 prme();
168 pline("You sense the presence of objects.");
169 more();
170 docrt();
171 }
172 break;
173 case POT_SICKNESS:
174 pline("Yech! This stuff tastes like poison.");
175 if(Poison_resistance)
176 pline("(But in fact it was biologically contaminated orange juice.)");
177 losestr(rn1(4,3));
178 losehp(rnd(10), "contaminated potion");
179 break;
180 case POT_CONFUSION:
181 if(!Confusion)
182 pline("Huh, What? Where am I?");
183 else
184 nothing++;
185 Confusion += rn1(7,16);
186 break;
187 case POT_GAIN_STRENGTH:
188 pline("Wow do you feel strong!");
189 if(u.ustr >= 118) break; /* > 118 is impossible */
190 if(u.ustr > 17) u.ustr += rnd(118-u.ustr);
191 else u.ustr++;
192 if(u.ustr > u.ustrmax) u.ustrmax = u.ustr;
193 flags.botl = 1;
194 break;
195 case POT_SPEED:
196 if(Wounded_legs) {
197 heal_legs();
198 unkn++;
199 break;
200 }
201 if(!(Fast & ~INTRINSIC))
202 pline("You are suddenly moving much faster.");
203 else
204 pline("Your legs get new energy."), unkn++;
205 Fast += rn1(10,100);
206 break;
207 case POT_BLINDNESS:
208 if(!Blind)
209 pline("A cloud of darkness falls upon you.");
210 else
211 nothing++;
212 Blind += rn1(100,250);
213 seeoff(0);
214 break;
215 case POT_GAIN_LEVEL:
216 pluslvl();
217 break;
218 case POT_EXTRA_HEALING:
219 pline("You feel much better.");
220 flags.botl = 1;
221 u.uhp += d(2,20)+1;
222 if(u.uhp > u.uhpmax)
223 u.uhp = (u.uhpmax += 2);
224 if(Blind) Blind = 1;
225 if(Sick) Sick = 0;
226 break;
227 case POT_LEVITATION:
228 if(!Levitation)
229 float_up();
230 else
231 nothing++;
232 Levitation += rnd(100);
233 u.uprops[PROP(RIN_LEVITATION)].p_tofn = float_down;
234 break;
235 default:
236 impossible("What a funny potion! (%u)", otmp->otyp);
237 return(0);
238 }
239 if(nothing) {
240 unkn++;
241 pline("You have a peculiar feeling for a moment, then it passes.");
242 }
243 if(otmp->dknown && !objects[otmp->otyp].oc_name_known) {
244 if(!unkn) {
245 objects[otmp->otyp].oc_name_known = 1;
246 more_experienced(0,10);
247 } else if(!objects[otmp->otyp].oc_uname)
248 docall(otmp);
249 }
250 use_it:
251 useup(otmp);
252 return(1);
253 }
254
255 void
pluslvl(void)256 pluslvl(void)
257 {
258 int num;
259
260 pline("You feel more experienced.");
261 num = rnd(10);
262 u.uhpmax += num;
263 u.uhp += num;
264 if(u.ulevel < 14) {
265 u.uexp = newuexp()+1;
266 pline("Welcome to experience level %u.", ++u.ulevel);
267 }
268 flags.botl = 1;
269 }
270
271 void
strange_feeling(struct obj * obj,char * txt)272 strange_feeling(struct obj *obj, char *txt)
273 {
274 if(flags.beginner)
275 pline("You have a strange feeling for a moment, then it passes.");
276 else
277 pline("%s", txt);
278 if(!objects[obj->otyp].oc_name_known && !objects[obj->otyp].oc_uname)
279 docall(obj);
280 useup(obj);
281 }
282
283 char *bottlenames[] = {
284 "bottle", "phial", "flagon", "carafe", "flask", "jar", "vial"
285 };
286
287 void
potionhit(struct monst * mon,struct obj * obj)288 potionhit(struct monst *mon, struct obj *obj)
289 {
290 char *botlnam = bottlenames[rn2(SIZE(bottlenames))];
291 boolean uclose, isyou = (mon == &youmonst);
292
293 if(isyou) {
294 uclose = TRUE;
295 pline("The %s crashes on your head and breaks into shivers.",
296 botlnam);
297 losehp(rnd(2), "thrown potion");
298 } else {
299 uclose = (dist(mon->mx,mon->my) < 3);
300 /* perhaps 'E' and 'a' have no head? */
301 pline("The %s crashes on %s's head and breaks into shivers.",
302 botlnam, monnam(mon));
303 if(rn2(5) && mon->mhp > 1)
304 mon->mhp--;
305 }
306 pline("The %s evaporates.", xname(obj));
307
308 if(!isyou && !rn2(3)) switch(obj->otyp) {
309
310 case POT_RESTORE_STRENGTH:
311 case POT_GAIN_STRENGTH:
312 case POT_HEALING:
313 case POT_EXTRA_HEALING:
314 if(mon->mhp < mon->mhpmax) {
315 mon->mhp = mon->mhpmax;
316 pline("%s looks sound and hale again!", Monnam(mon));
317 }
318 break;
319 case POT_SICKNESS:
320 if(mon->mhpmax > 3)
321 mon->mhpmax /= 2;
322 if(mon->mhp > 2)
323 mon->mhp /= 2;
324 break;
325 case POT_CONFUSION:
326 case POT_BOOZE:
327 mon->mconf = 1;
328 break;
329 case POT_INVISIBILITY:
330 unpmon(mon);
331 mon->minvis = 1;
332 pmon(mon);
333 break;
334 case POT_PARALYSIS:
335 mon->mfroz = 1;
336 break;
337 case POT_SPEED:
338 mon->mspeed = MFAST;
339 break;
340 case POT_BLINDNESS:
341 mon->mblinded |= 64 + rn2(64);
342 break;
343 /*
344 case POT_GAIN_LEVEL:
345 case POT_LEVITATION:
346 case POT_FRUIT_JUICE:
347 case POT_MONSTER_DETECTION:
348 case POT_OBJECT_DETECTION:
349 break;
350 */
351 }
352 if(uclose && rn2(5))
353 potionbreathe(obj);
354 obfree(obj, Null(obj));
355 }
356
357 void
potionbreathe(struct obj * obj)358 potionbreathe(struct obj *obj)
359 {
360 switch(obj->otyp) {
361 case POT_RESTORE_STRENGTH:
362 case POT_GAIN_STRENGTH:
363 if(u.ustr < u.ustrmax) u.ustr++, flags.botl = 1;
364 break;
365 case POT_HEALING:
366 case POT_EXTRA_HEALING:
367 if(u.uhp < u.uhpmax) u.uhp++, flags.botl = 1;
368 break;
369 case POT_SICKNESS:
370 if(u.uhp <= 5) u.uhp = 1; else u.uhp -= 5;
371 flags.botl = 1;
372 break;
373 case POT_CONFUSION:
374 case POT_BOOZE:
375 if(!Confusion)
376 pline("You feel somewhat dizzy.");
377 Confusion += rnd(5);
378 break;
379 case POT_INVISIBILITY:
380 pline("For an instant you couldn't see your right hand.");
381 break;
382 case POT_PARALYSIS:
383 pline("Something seems to be holding you.");
384 nomul(-rnd(5));
385 break;
386 case POT_SPEED:
387 Fast += rnd(5);
388 pline("Your knees seem more flexible now.");
389 break;
390 case POT_BLINDNESS:
391 if(!Blind) pline("It suddenly gets dark.");
392 Blind += rnd(5);
393 seeoff(0);
394 break;
395 /*
396 case POT_GAIN_LEVEL:
397 case POT_LEVITATION:
398 case POT_FRUIT_JUICE:
399 case POT_MONSTER_DETECTION:
400 case POT_OBJECT_DETECTION:
401 break;
402 */
403 }
404 /* note: no obfree() */
405 }
406
407 /*
408 * -- rudimentary -- to do this correctly requires much more work
409 * -- all sharp weapons get one or more qualities derived from the potions
410 * -- texts on scrolls may be (partially) wiped out; do they become blank?
411 * -- or does their effect change, like under Confusion?
412 * -- all objects may be made invisible by POT_INVISIBILITY
413 * -- If the flask is small, can one dip a large object? Does it magically
414 * -- become a jug? Etc.
415 */
416 int
dodip(void)417 dodip(void)
418 {
419 struct obj *potion, *obj;
420
421 if(!(obj = getobj("#", "dip")))
422 return(0);
423 if(!(potion = getobj("!", "dip into")))
424 return(0);
425 pline("Interesting...");
426 if(obj->otyp == ARROW || obj->otyp == DART ||
427 obj->otyp == CROSSBOW_BOLT) {
428 if(potion->otyp == POT_SICKNESS) {
429 useup(potion);
430 if(obj->spe < 7) obj->spe++; /* %% */
431 }
432 }
433 return(1);
434 }
435
436 static void
ghost_from_bottle(void)437 ghost_from_bottle(void)
438 {
439 extern struct permonst pm_ghost;
440 struct monst *mtmp;
441
442 if(!(mtmp = makemon(PM_GHOST,u.ux,u.uy))){
443 pline("This bottle turns out to be empty.");
444 return;
445 }
446 mnexto(mtmp);
447 pline("As you open the bottle, an enormous ghost emerges!");
448 pline("You are frightened to death, and unable to move.");
449 nomul(-3);
450 }
451