xref: /dragonfly/games/hack/hack.potion.c (revision 0bb9290e)
1 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
2 /* hack.potion.c - version 1.0.3 */
3 /* $FreeBSD: src/games/hack/hack.potion.c,v 1.5 1999/11/16 10:26:37 marcel Exp $ */
4 /* $DragonFly: src/games/hack/hack.potion.c,v 1.4 2006/08/21 19:45:32 pavalos Exp $ */
5 
6 #include "hack.h"
7 extern struct monst youmonst;
8 
9 static void	ghost_from_bottle(void);
10 
11 int
12 dodrink(void)
13 {
14 	struct obj *otmp,*objs;
15 	struct monst *mtmp;
16 	int unkn = 0, nothing = 0;
17 
18 	otmp = getobj("!", "drink");
19 	if(!otmp) return(0);
20 	if(!strcmp(objects[otmp->otyp].oc_descr, "smoky") && !rn2(13)) {
21 		ghost_from_bottle();
22 		goto use_it;
23 	}
24 	switch(otmp->otyp){
25 	case POT_RESTORE_STRENGTH:
26 		unkn++;
27 		pline("Wow!  This makes you feel great!");
28 		if(u.ustr < u.ustrmax) {
29 			u.ustr = u.ustrmax;
30 			flags.botl = 1;
31 		}
32 		break;
33 	case POT_BOOZE:
34 		unkn++;
35 		pline("Ooph!  This tastes like liquid fire!");
36 		Confusion += d(3,8);
37 		/* the whiskey makes us feel better */
38 		if(u.uhp < u.uhpmax) losehp(-1, "bottle of whiskey");
39 		if(!rn2(4)) {
40 			pline("You pass out.");
41 			multi = -rnd(15);
42 			nomovemsg = "You awake with a headache.";
43 		}
44 		break;
45 	case POT_INVISIBILITY:
46 		if(Invis || See_invisible)
47 		  nothing++;
48 		else {
49 		  if(!Blind)
50 		    pline("Gee!  All of a sudden, you can't see yourself.");
51 		  else
52 		    pline("You feel rather airy."), unkn++;
53 		  newsym(u.ux,u.uy);
54 		}
55 		Invis += rn1(15,31);
56 		break;
57 	case POT_FRUIT_JUICE:
58 		pline("This tastes like fruit juice.");
59 		lesshungry(20);
60 		break;
61 	case POT_HEALING:
62 		pline("You begin to feel better.");
63 		flags.botl = 1;
64 		u.uhp += rnd(10);
65 		if(u.uhp > u.uhpmax)
66 			u.uhp = ++u.uhpmax;
67 		if(Blind) Blind = 1;	/* see on next move */
68 		if(Sick) Sick = 0;
69 		break;
70 	case POT_PARALYSIS:
71 		if(Levitation)
72 			pline("You are motionlessly suspended.");
73 		else
74 			pline("Your feet are frozen to the floor!");
75 		nomul(-(rn1(10,25)));
76 		break;
77 	case POT_MONSTER_DETECTION:
78 		if(!fmon) {
79 			strange_feeling(otmp, "You feel threatened.");
80 			return(1);
81 		} else {
82 			cls();
83 			for(mtmp = fmon; mtmp; mtmp = mtmp->nmon)
84 				if(mtmp->mx > 0)
85 				at(mtmp->mx,mtmp->my,mtmp->data->mlet);
86 			prme();
87 			pline("You sense the presence of monsters.");
88 			more();
89 			docrt();
90 		}
91 		break;
92 	case POT_OBJECT_DETECTION:
93 		if(!fobj) {
94 			strange_feeling(otmp, "You feel a pull downward.");
95 			return(1);
96 		} else {
97 		    for(objs = fobj; objs; objs = objs->nobj)
98 			if(objs->ox != u.ux || objs->oy != u.uy)
99 				goto outobjmap;
100 		    pline("You sense the presence of objects close nearby.");
101 		    break;
102 		outobjmap:
103 			cls();
104 			for(objs = fobj; objs; objs = objs->nobj)
105 				at(objs->ox,objs->oy,objs->olet);
106 			prme();
107 			pline("You sense the presence of objects.");
108 			more();
109 			docrt();
110 		}
111 		break;
112 	case POT_SICKNESS:
113 		pline("Yech! This stuff tastes like poison.");
114 		if(Poison_resistance)
115     pline("(But in fact it was biologically contaminated orange juice.)");
116 		losestr(rn1(4,3));
117 		losehp(rnd(10), "contaminated potion");
118 		break;
119 	case POT_CONFUSION:
120 		if(!Confusion)
121 			pline("Huh, What?  Where am I?");
122 		else
123 			nothing++;
124 		Confusion += rn1(7,16);
125 		break;
126 	case POT_GAIN_STRENGTH:
127 		pline("Wow do you feel strong!");
128 		if(u.ustr >= 118) break;	/* > 118 is impossible */
129 		if(u.ustr > 17) u.ustr += rnd(118-u.ustr);
130 		else u.ustr++;
131 		if(u.ustr > u.ustrmax) u.ustrmax = u.ustr;
132 		flags.botl = 1;
133 		break;
134 	case POT_SPEED:
135 		if(Wounded_legs) {
136 			heal_legs();
137 			unkn++;
138 			break;
139 		}
140 		if(!(Fast & ~INTRINSIC))
141 			pline("You are suddenly moving much faster.");
142 		else
143 			pline("Your legs get new energy."), unkn++;
144 		Fast += rn1(10,100);
145 		break;
146 	case POT_BLINDNESS:
147 		if(!Blind)
148 			pline("A cloud of darkness falls upon you.");
149 		else
150 			nothing++;
151 		Blind += rn1(100,250);
152 		seeoff(0);
153 		break;
154 	case POT_GAIN_LEVEL:
155 		pluslvl();
156 		break;
157 	case POT_EXTRA_HEALING:
158 		pline("You feel much better.");
159 		flags.botl = 1;
160 		u.uhp += d(2,20)+1;
161 		if(u.uhp > u.uhpmax)
162 			u.uhp = (u.uhpmax += 2);
163 		if(Blind) Blind = 1;
164 		if(Sick) Sick = 0;
165 		break;
166 	case POT_LEVITATION:
167 		if(!Levitation)
168 			float_up();
169 		else
170 			nothing++;
171 		Levitation += rnd(100);
172 		u.uprops[PROP(RIN_LEVITATION)].p_tofn = float_down;
173 		break;
174 	default:
175 		impossible("What a funny potion! (%u)", otmp->otyp);
176 		return(0);
177 	}
178 	if(nothing) {
179 	    unkn++;
180 	    pline("You have a peculiar feeling for a moment, then it passes.");
181 	}
182 	if(otmp->dknown && !objects[otmp->otyp].oc_name_known) {
183 		if(!unkn) {
184 			objects[otmp->otyp].oc_name_known = 1;
185 			more_experienced(0,10);
186 		} else if(!objects[otmp->otyp].oc_uname)
187 			docall(otmp);
188 	}
189 use_it:
190 	useup(otmp);
191 	return(1);
192 }
193 
194 void
195 pluslvl(void)
196 {
197 	int num;
198 
199 	pline("You feel more experienced.");
200 	num = rnd(10);
201 	u.uhpmax += num;
202 	u.uhp += num;
203 	if(u.ulevel < 14) {
204 		u.uexp = newuexp()+1;
205 		pline("Welcome to experience level %u.", ++u.ulevel);
206 	}
207 	flags.botl = 1;
208 }
209 
210 void
211 strange_feeling(struct obj *obj, const char *txt)
212 {
213 	if(flags.beginner)
214 	    pline("You have a strange feeling for a moment, then it passes.");
215 	else
216 	    pline(txt);
217 	if(!objects[obj->otyp].oc_name_known && !objects[obj->otyp].oc_uname)
218 		docall(obj);
219 	useup(obj);
220 }
221 
222 static const char *bottlenames[] = {
223 	"bottle", "phial", "flagon", "carafe", "flask", "jar", "vial"
224 };
225 
226 void
227 potionhit(struct monst *mon, struct obj *obj)
228 {
229 	const char *botlnam = bottlenames[rn2(SIZE(bottlenames))];
230 	boolean uclose, isyou = (mon == &youmonst);
231 
232 	if(isyou) {
233 		uclose = TRUE;
234 		pline("The %s crashes on your head and breaks into shivers.",
235 			botlnam);
236 		losehp(rnd(2), "thrown potion");
237 	} else {
238 		uclose = (dist(mon->mx,mon->my) < 3);
239 		/* perhaps 'E' and 'a' have no head? */
240 		pline("The %s crashes on %s's head and breaks into shivers.",
241 			botlnam, monnam(mon));
242 		if(rn2(5) && mon->mhp > 1)
243 			mon->mhp--;
244 	}
245 	pline("The %s evaporates.", xname(obj));
246 
247 	if(!isyou && !rn2(3)) switch(obj->otyp) {
248 
249 	case POT_RESTORE_STRENGTH:
250 	case POT_GAIN_STRENGTH:
251 	case POT_HEALING:
252 	case POT_EXTRA_HEALING:
253 		if(mon->mhp < mon->mhpmax) {
254 			mon->mhp = mon->mhpmax;
255 			pline("%s looks sound and hale again!", Monnam(mon));
256 		}
257 		break;
258 	case POT_SICKNESS:
259 		if(mon->mhpmax > 3)
260 			mon->mhpmax /= 2;
261 		if(mon->mhp > 2)
262 			mon->mhp /= 2;
263 		break;
264 	case POT_CONFUSION:
265 	case POT_BOOZE:
266 		mon->mconf = 1;
267 		break;
268 	case POT_INVISIBILITY:
269 		unpmon(mon);
270 		mon->minvis = 1;
271 		pmon(mon);
272 		break;
273 	case POT_PARALYSIS:
274 		mon->mfroz = 1;
275 		break;
276 	case POT_SPEED:
277 		mon->mspeed = MFAST;
278 		break;
279 	case POT_BLINDNESS:
280 		mon->mblinded |= 64 + rn2(64);
281 		break;
282 /*
283 	case POT_GAIN_LEVEL:
284 	case POT_LEVITATION:
285 	case POT_FRUIT_JUICE:
286 	case POT_MONSTER_DETECTION:
287 	case POT_OBJECT_DETECTION:
288 		break;
289 */
290 	}
291 	if(uclose && rn2(5))
292 		potionbreathe(obj);
293 	obfree(obj, Null(obj));
294 }
295 
296 void
297 potionbreathe(struct obj *obj)
298 {
299 	switch(obj->otyp) {
300 	case POT_RESTORE_STRENGTH:
301 	case POT_GAIN_STRENGTH:
302 		if(u.ustr < u.ustrmax) u.ustr++, flags.botl = 1;
303 		break;
304 	case POT_HEALING:
305 	case POT_EXTRA_HEALING:
306 		if(u.uhp < u.uhpmax) u.uhp++, flags.botl = 1;
307 		break;
308 	case POT_SICKNESS:
309 		if(u.uhp <= 5) u.uhp = 1; else u.uhp -= 5;
310 		flags.botl = 1;
311 		break;
312 	case POT_CONFUSION:
313 	case POT_BOOZE:
314 		if(!Confusion)
315 			pline("You feel somewhat dizzy.");
316 		Confusion += rnd(5);
317 		break;
318 	case POT_INVISIBILITY:
319 		pline("For an instant you couldn't see your right hand.");
320 		break;
321 	case POT_PARALYSIS:
322 		pline("Something seems to be holding you.");
323 		nomul(-rnd(5));
324 		break;
325 	case POT_SPEED:
326 		Fast += rnd(5);
327 		pline("Your knees seem more flexible now.");
328 		break;
329 	case POT_BLINDNESS:
330 		if(!Blind) pline("It suddenly gets dark.");
331 		Blind += rnd(5);
332 		seeoff(0);
333 		break;
334 /*
335 	case POT_GAIN_LEVEL:
336 	case POT_LEVITATION:
337 	case POT_FRUIT_JUICE:
338 	case POT_MONSTER_DETECTION:
339 	case POT_OBJECT_DETECTION:
340 		break;
341 */
342 	}
343 	/* note: no obfree() */
344 }
345 
346 /*
347  * -- rudimentary -- to do this correctly requires much more work
348  * -- all sharp weapons get one or more qualities derived from the potions
349  * -- texts on scrolls may be (partially) wiped out; do they become blank?
350  * --   or does their effect change, like under Confusion?
351  * -- all objects may be made invisible by POT_INVISIBILITY
352  * -- If the flask is small, can one dip a large object? Does it magically
353  * --   become a jug? Etc.
354  */
355 int
356 dodip(void)
357 {
358 	struct obj *potion, *obj;
359 
360 	if(!(obj = getobj("#", "dip")))
361 		return(0);
362 	if(!(potion = getobj("!", "dip into")))
363 		return(0);
364 	pline("Interesting...");
365 	if(obj->otyp == ARROW || obj->otyp == DART ||
366 	   obj->otyp == CROSSBOW_BOLT) {
367 		if(potion->otyp == POT_SICKNESS) {
368 			useup(potion);
369 			if(obj->spe < 7) obj->spe++;	/* %% */
370 		}
371 	}
372 	return(1);
373 }
374 
375 static void
376 ghost_from_bottle(void)
377 {
378 	struct monst *mtmp;
379 
380 	if(!(mtmp = makemon(PM_GHOST,u.ux,u.uy))){
381 		pline("This bottle turns out to be empty.");
382 		return;
383 	}
384 	mnexto(mtmp);
385 	pline("As you open the bottle, an enormous ghost emerges!");
386 	pline("You are frightened to death, and unable to move.");
387 	nomul(-3);
388 }
389