xref: /dragonfly/games/hack/hack.potion.c (revision 49781055)
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 1.3 2005/05/22 03:37:05 y0netan1 Exp $ */
5 
6 #include "hack.h"
7 extern int float_down();
8 extern struct monst youmonst;
9 extern struct monst *makemon();
10 
11 dodrink() {
12 	struct obj *otmp,*objs;
13 	struct monst *mtmp;
14 	int unkn = 0, nothing = 0;
15 
16 	otmp = getobj("!", "drink");
17 	if(!otmp) return(0);
18 	if(!strcmp(objects[otmp->otyp].oc_descr, "smoky") && !rn2(13)) {
19 		ghost_from_bottle();
20 		goto use_it;
21 	}
22 	switch(otmp->otyp){
23 	case POT_RESTORE_STRENGTH:
24 		unkn++;
25 		pline("Wow!  This makes you feel great!");
26 		if(u.ustr < u.ustrmax) {
27 			u.ustr = u.ustrmax;
28 			flags.botl = 1;
29 		}
30 		break;
31 	case POT_BOOZE:
32 		unkn++;
33 		pline("Ooph!  This tastes like liquid fire!");
34 		Confusion += d(3,8);
35 		/* the whiskey makes us feel better */
36 		if(u.uhp < u.uhpmax) losehp(-1, "bottle of whiskey");
37 		if(!rn2(4)) {
38 			pline("You pass out.");
39 			multi = -rnd(15);
40 			nomovemsg = "You awake with a headache.";
41 		}
42 		break;
43 	case POT_INVISIBILITY:
44 		if(Invis || See_invisible)
45 		  nothing++;
46 		else {
47 		  if(!Blind)
48 		    pline("Gee!  All of a sudden, you can't see yourself.");
49 		  else
50 		    pline("You feel rather airy."), unkn++;
51 		  newsym(u.ux,u.uy);
52 		}
53 		Invis += rn1(15,31);
54 		break;
55 	case POT_FRUIT_JUICE:
56 		pline("This tastes like fruit juice.");
57 		lesshungry(20);
58 		break;
59 	case POT_HEALING:
60 		pline("You begin to feel better.");
61 		flags.botl = 1;
62 		u.uhp += rnd(10);
63 		if(u.uhp > u.uhpmax)
64 			u.uhp = ++u.uhpmax;
65 		if(Blind) Blind = 1;	/* see on next move */
66 		if(Sick) Sick = 0;
67 		break;
68 	case POT_PARALYSIS:
69 		if(Levitation)
70 			pline("You are motionlessly suspended.");
71 		else
72 			pline("Your feet are frozen to the floor!");
73 		nomul(-(rn1(10,25)));
74 		break;
75 	case POT_MONSTER_DETECTION:
76 		if(!fmon) {
77 			strange_feeling(otmp, "You feel threatened.");
78 			return(1);
79 		} else {
80 			cls();
81 			for(mtmp = fmon; mtmp; mtmp = mtmp->nmon)
82 				if(mtmp->mx > 0)
83 				at(mtmp->mx,mtmp->my,mtmp->data->mlet);
84 			prme();
85 			pline("You sense the presence of monsters.");
86 			more();
87 			docrt();
88 		}
89 		break;
90 	case POT_OBJECT_DETECTION:
91 		if(!fobj) {
92 			strange_feeling(otmp, "You feel a pull downward.");
93 			return(1);
94 		} else {
95 		    for(objs = fobj; objs; objs = objs->nobj)
96 			if(objs->ox != u.ux || objs->oy != u.uy)
97 				goto outobjmap;
98 		    pline("You sense the presence of objects close nearby.");
99 		    break;
100 		outobjmap:
101 			cls();
102 			for(objs = fobj; objs; objs = objs->nobj)
103 				at(objs->ox,objs->oy,objs->olet);
104 			prme();
105 			pline("You sense the presence of objects.");
106 			more();
107 			docrt();
108 		}
109 		break;
110 	case POT_SICKNESS:
111 		pline("Yech! This stuff tastes like poison.");
112 		if(Poison_resistance)
113     pline("(But in fact it was biologically contaminated orange juice.)");
114 		losestr(rn1(4,3));
115 		losehp(rnd(10), "contaminated potion");
116 		break;
117 	case POT_CONFUSION:
118 		if(!Confusion)
119 			pline("Huh, What?  Where am I?");
120 		else
121 			nothing++;
122 		Confusion += rn1(7,16);
123 		break;
124 	case POT_GAIN_STRENGTH:
125 		pline("Wow do you feel strong!");
126 		if(u.ustr >= 118) break;	/* > 118 is impossible */
127 		if(u.ustr > 17) u.ustr += rnd(118-u.ustr);
128 		else u.ustr++;
129 		if(u.ustr > u.ustrmax) u.ustrmax = u.ustr;
130 		flags.botl = 1;
131 		break;
132 	case POT_SPEED:
133 		if(Wounded_legs) {
134 			heal_legs();
135 			unkn++;
136 			break;
137 		}
138 		if(!(Fast & ~INTRINSIC))
139 			pline("You are suddenly moving much faster.");
140 		else
141 			pline("Your legs get new energy."), unkn++;
142 		Fast += rn1(10,100);
143 		break;
144 	case POT_BLINDNESS:
145 		if(!Blind)
146 			pline("A cloud of darkness falls upon you.");
147 		else
148 			nothing++;
149 		Blind += rn1(100,250);
150 		seeoff(0);
151 		break;
152 	case POT_GAIN_LEVEL:
153 		pluslvl();
154 		break;
155 	case POT_EXTRA_HEALING:
156 		pline("You feel much better.");
157 		flags.botl = 1;
158 		u.uhp += d(2,20)+1;
159 		if(u.uhp > u.uhpmax)
160 			u.uhp = (u.uhpmax += 2);
161 		if(Blind) Blind = 1;
162 		if(Sick) Sick = 0;
163 		break;
164 	case POT_LEVITATION:
165 		if(!Levitation)
166 			float_up();
167 		else
168 			nothing++;
169 		Levitation += rnd(100);
170 		u.uprops[PROP(RIN_LEVITATION)].p_tofn = float_down;
171 		break;
172 	default:
173 		impossible("What a funny potion! (%u)", otmp->otyp);
174 		return(0);
175 	}
176 	if(nothing) {
177 	    unkn++;
178 	    pline("You have a peculiar feeling for a moment, then it passes.");
179 	}
180 	if(otmp->dknown && !objects[otmp->otyp].oc_name_known) {
181 		if(!unkn) {
182 			objects[otmp->otyp].oc_name_known = 1;
183 			more_experienced(0,10);
184 		} else if(!objects[otmp->otyp].oc_uname)
185 			docall(otmp);
186 	}
187 use_it:
188 	useup(otmp);
189 	return(1);
190 }
191 
192 pluslvl()
193 {
194 	int num;
195 
196 	pline("You feel more experienced.");
197 	num = rnd(10);
198 	u.uhpmax += num;
199 	u.uhp += num;
200 	if(u.ulevel < 14) {
201 		extern long newuexp();
202 
203 		u.uexp = newuexp()+1;
204 		pline("Welcome to experience level %u.", ++u.ulevel);
205 	}
206 	flags.botl = 1;
207 }
208 
209 strange_feeling(obj,txt)
210 struct obj *obj;
211 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 potionhit(mon, obj)
227 struct monst *mon;
228 struct obj *obj;
229 {
230 	extern char *xname();
231 	const char *botlnam = bottlenames[rn2(SIZE(bottlenames))];
232 	boolean uclose, isyou = (mon == &youmonst);
233 
234 	if(isyou) {
235 		uclose = TRUE;
236 		pline("The %s crashes on your head and breaks into shivers.",
237 			botlnam);
238 		losehp(rnd(2), "thrown potion");
239 	} else {
240 		uclose = (dist(mon->mx,mon->my) < 3);
241 		/* perhaps 'E' and 'a' have no head? */
242 		pline("The %s crashes on %s's head and breaks into shivers.",
243 			botlnam, monnam(mon));
244 		if(rn2(5) && mon->mhp > 1)
245 			mon->mhp--;
246 	}
247 	pline("The %s evaporates.", xname(obj));
248 
249 	if(!isyou && !rn2(3)) switch(obj->otyp) {
250 
251 	case POT_RESTORE_STRENGTH:
252 	case POT_GAIN_STRENGTH:
253 	case POT_HEALING:
254 	case POT_EXTRA_HEALING:
255 		if(mon->mhp < mon->mhpmax) {
256 			mon->mhp = mon->mhpmax;
257 			pline("%s looks sound and hale again!", Monnam(mon));
258 		}
259 		break;
260 	case POT_SICKNESS:
261 		if(mon->mhpmax > 3)
262 			mon->mhpmax /= 2;
263 		if(mon->mhp > 2)
264 			mon->mhp /= 2;
265 		break;
266 	case POT_CONFUSION:
267 	case POT_BOOZE:
268 		mon->mconf = 1;
269 		break;
270 	case POT_INVISIBILITY:
271 		unpmon(mon);
272 		mon->minvis = 1;
273 		pmon(mon);
274 		break;
275 	case POT_PARALYSIS:
276 		mon->mfroz = 1;
277 		break;
278 	case POT_SPEED:
279 		mon->mspeed = MFAST;
280 		break;
281 	case POT_BLINDNESS:
282 		mon->mblinded |= 64 + rn2(64);
283 		break;
284 /*
285 	case POT_GAIN_LEVEL:
286 	case POT_LEVITATION:
287 	case POT_FRUIT_JUICE:
288 	case POT_MONSTER_DETECTION:
289 	case POT_OBJECT_DETECTION:
290 		break;
291 */
292 	}
293 	if(uclose && rn2(5))
294 		potionbreathe(obj);
295 	obfree(obj, Null(obj));
296 }
297 
298 potionbreathe(obj)
299 struct obj *obj;
300 {
301 	switch(obj->otyp) {
302 	case POT_RESTORE_STRENGTH:
303 	case POT_GAIN_STRENGTH:
304 		if(u.ustr < u.ustrmax) u.ustr++, flags.botl = 1;
305 		break;
306 	case POT_HEALING:
307 	case POT_EXTRA_HEALING:
308 		if(u.uhp < u.uhpmax) u.uhp++, flags.botl = 1;
309 		break;
310 	case POT_SICKNESS:
311 		if(u.uhp <= 5) u.uhp = 1; else u.uhp -= 5;
312 		flags.botl = 1;
313 		break;
314 	case POT_CONFUSION:
315 	case POT_BOOZE:
316 		if(!Confusion)
317 			pline("You feel somewhat dizzy.");
318 		Confusion += rnd(5);
319 		break;
320 	case POT_INVISIBILITY:
321 		pline("For an instant you couldn't see your right hand.");
322 		break;
323 	case POT_PARALYSIS:
324 		pline("Something seems to be holding you.");
325 		nomul(-rnd(5));
326 		break;
327 	case POT_SPEED:
328 		Fast += rnd(5);
329 		pline("Your knees seem more flexible now.");
330 		break;
331 	case POT_BLINDNESS:
332 		if(!Blind) pline("It suddenly gets dark.");
333 		Blind += rnd(5);
334 		seeoff(0);
335 		break;
336 /*
337 	case POT_GAIN_LEVEL:
338 	case POT_LEVITATION:
339 	case POT_FRUIT_JUICE:
340 	case POT_MONSTER_DETECTION:
341 	case POT_OBJECT_DETECTION:
342 		break;
343 */
344 	}
345 	/* note: no obfree() */
346 }
347 
348 /*
349  * -- rudimentary -- to do this correctly requires much more work
350  * -- all sharp weapons get one or more qualities derived from the potions
351  * -- texts on scrolls may be (partially) wiped out; do they become blank?
352  * --   or does their effect change, like under Confusion?
353  * -- all objects may be made invisible by POT_INVISIBILITY
354  * -- If the flask is small, can one dip a large object? Does it magically
355  * --   become a jug? Etc.
356  */
357 dodip(){
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 ghost_from_bottle(){
376 	extern struct permonst pm_ghost;
377 	struct monst *mtmp;
378 
379 	if(!(mtmp = makemon(PM_GHOST,u.ux,u.uy))){
380 		pline("This bottle turns out to be empty.");
381 		return;
382 	}
383 	mnexto(mtmp);
384 	pline("As you open the bottle, an enormous ghost emerges!");
385 	pline("You are frightened to death, and unable to move.");
386 	nomul(-3);
387 }
388