xref: /original-bsd/games/hack/hack.potion.c (revision 63071ce3)
1 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
2 /* hack.potion.c - version 1.0.3 */
3 
4 #include "hack.h"
5 extern int float_down();
6 extern char *nomovemsg;
7 extern struct monst youmonst;
8 extern struct monst *makemon();
9 
dodrink()10 dodrink() {
11 	register struct obj *otmp,*objs;
12 	register struct monst *mtmp;
13 	register int unkn = 0, nothing = 0;
14 
15 	otmp = getobj("!", "drink");
16 	if(!otmp) return(0);
17 	if(!strcmp(objects[otmp->otyp].oc_descr, "smoky") && !rn2(13)) {
18 		ghost_from_bottle();
19 		goto use_it;
20 	}
21 	switch(otmp->otyp){
22 	case POT_RESTORE_STRENGTH:
23 		unkn++;
24 		pline("Wow!  This makes you feel great!");
25 		if(u.ustr < u.ustrmax) {
26 			u.ustr = u.ustrmax;
27 			flags.botl = 1;
28 		}
29 		break;
30 	case POT_BOOZE:
31 		unkn++;
32 		pline("Ooph!  This tastes like liquid fire!");
33 		Confusion += d(3,8);
34 		/* the whiskey makes us feel better */
35 		if(u.uhp < u.uhpmax) losehp(-1, "bottle of whiskey");
36 		if(!rn2(4)) {
37 			pline("You pass out.");
38 			multi = -rnd(15);
39 			nomovemsg = "You awake with a headache.";
40 		}
41 		break;
42 	case POT_INVISIBILITY:
43 		if(Invis || See_invisible)
44 		  nothing++;
45 		else {
46 		  if(!Blind)
47 		    pline("Gee!  All of a sudden, you can't see yourself.");
48 		  else
49 		    pline("You feel rather airy."), unkn++;
50 		  newsym(u.ux,u.uy);
51 		}
52 		Invis += rn1(15,31);
53 		break;
54 	case POT_FRUIT_JUICE:
55 		pline("This tastes like fruit juice.");
56 		lesshungry(20);
57 		break;
58 	case POT_HEALING:
59 		pline("You begin to feel better.");
60 		flags.botl = 1;
61 		u.uhp += rnd(10);
62 		if(u.uhp > u.uhpmax)
63 			u.uhp = ++u.uhpmax;
64 		if(Blind) Blind = 1;	/* see on next move */
65 		if(Sick) Sick = 0;
66 		break;
67 	case POT_PARALYSIS:
68 		if(Levitation)
69 			pline("You are motionlessly suspended.");
70 		else
71 			pline("Your feet are frozen to the floor!");
72 		nomul(-(rn1(10,25)));
73 		break;
74 	case POT_MONSTER_DETECTION:
75 		if(!fmon) {
76 			strange_feeling(otmp, "You feel threatened.");
77 			return(1);
78 		} else {
79 			cls();
80 			for(mtmp = fmon; mtmp; mtmp = mtmp->nmon)
81 				if(mtmp->mx > 0)
82 				at(mtmp->mx,mtmp->my,mtmp->data->mlet);
83 			prme();
84 			pline("You sense the presence of monsters.");
85 			more();
86 			docrt();
87 		}
88 		break;
89 	case POT_OBJECT_DETECTION:
90 		if(!fobj) {
91 			strange_feeling(otmp, "You feel a pull downward.");
92 			return(1);
93 		} else {
94 		    for(objs = fobj; objs; objs = objs->nobj)
95 			if(objs->ox != u.ux || objs->oy != u.uy)
96 				goto outobjmap;
97 		    pline("You sense the presence of objects close nearby.");
98 		    break;
99 		outobjmap:
100 			cls();
101 			for(objs = fobj; objs; objs = objs->nobj)
102 				at(objs->ox,objs->oy,objs->olet);
103 			prme();
104 			pline("You sense the presence of objects.");
105 			more();
106 			docrt();
107 		}
108 		break;
109 	case POT_SICKNESS:
110 		pline("Yech! This stuff tastes like poison.");
111 		if(Poison_resistance)
112     pline("(But in fact it was biologically contaminated orange juice.)");
113 		losestr(rn1(4,3));
114 		losehp(rnd(10), "contaminated potion");
115 		break;
116 	case POT_CONFUSION:
117 		if(!Confusion)
118 			pline("Huh, What?  Where am I?");
119 		else
120 			nothing++;
121 		Confusion += rn1(7,16);
122 		break;
123 	case POT_GAIN_STRENGTH:
124 		pline("Wow do you feel strong!");
125 		if(u.ustr >= 118) break;	/* > 118 is impossible */
126 		if(u.ustr > 17) u.ustr += rnd(118-u.ustr);
127 		else u.ustr++;
128 		if(u.ustr > u.ustrmax) u.ustrmax = u.ustr;
129 		flags.botl = 1;
130 		break;
131 	case POT_SPEED:
132 		if(Wounded_legs) {
133 			heal_legs();
134 			unkn++;
135 			break;
136 		}
137 		if(!(Fast & ~INTRINSIC))
138 			pline("You are suddenly moving much faster.");
139 		else
140 			pline("Your legs get new energy."), unkn++;
141 		Fast += rn1(10,100);
142 		break;
143 	case POT_BLINDNESS:
144 		if(!Blind)
145 			pline("A cloud of darkness falls upon you.");
146 		else
147 			nothing++;
148 		Blind += rn1(100,250);
149 		seeoff(0);
150 		break;
151 	case POT_GAIN_LEVEL:
152 		pluslvl();
153 		break;
154 	case POT_EXTRA_HEALING:
155 		pline("You feel much better.");
156 		flags.botl = 1;
157 		u.uhp += d(2,20)+1;
158 		if(u.uhp > u.uhpmax)
159 			u.uhp = (u.uhpmax += 2);
160 		if(Blind) Blind = 1;
161 		if(Sick) Sick = 0;
162 		break;
163 	case POT_LEVITATION:
164 		if(!Levitation)
165 			float_up();
166 		else
167 			nothing++;
168 		Levitation += rnd(100);
169 		u.uprops[PROP(RIN_LEVITATION)].p_tofn = float_down;
170 		break;
171 	default:
172 		impossible("What a funny potion! (%u)", otmp->otyp);
173 		return(0);
174 	}
175 	if(nothing) {
176 	    unkn++;
177 	    pline("You have a peculiar feeling for a moment, then it passes.");
178 	}
179 	if(otmp->dknown && !objects[otmp->otyp].oc_name_known) {
180 		if(!unkn) {
181 			objects[otmp->otyp].oc_name_known = 1;
182 			more_experienced(0,10);
183 		} else if(!objects[otmp->otyp].oc_uname)
184 			docall(otmp);
185 	}
186 use_it:
187 	useup(otmp);
188 	return(1);
189 }
190 
pluslvl()191 pluslvl()
192 {
193 	register num;
194 
195 	pline("You feel more experienced.");
196 	num = rnd(10);
197 	u.uhpmax += num;
198 	u.uhp += num;
199 	if(u.ulevel < 14) {
200 		extern long newuexp();
201 
202 		u.uexp = newuexp()+1;
203 		pline("Welcome to experience level %u.", ++u.ulevel);
204 	}
205 	flags.botl = 1;
206 }
207 
strange_feeling(obj,txt)208 strange_feeling(obj,txt)
209 register struct obj *obj;
210 register char *txt;
211 {
212 	if(flags.beginner)
213 	    pline("You have a strange feeling for a moment, then it passes.");
214 	else
215 	    pline(txt);
216 	if(!objects[obj->otyp].oc_name_known && !objects[obj->otyp].oc_uname)
217 		docall(obj);
218 	useup(obj);
219 }
220 
221 char *bottlenames[] = {
222 	"bottle", "phial", "flagon", "carafe", "flask", "jar", "vial"
223 };
224 
potionhit(mon,obj)225 potionhit(mon, obj)
226 register struct monst *mon;
227 register struct obj *obj;
228 {
229 	extern char *xname();
230 	register char *botlnam = bottlenames[rn2(SIZE(bottlenames))];
231 	boolean uclose, isyou = (mon == &youmonst);
232 
233 	if(isyou) {
234 		uclose = TRUE;
235 		pline("The %s crashes on your head and breaks into shivers.",
236 			botlnam);
237 		losehp(rnd(2), "thrown potion");
238 	} else {
239 		uclose = (dist(mon->mx,mon->my) < 3);
240 		/* perhaps 'E' and 'a' have no head? */
241 		pline("The %s crashes on %s's head and breaks into shivers.",
242 			botlnam, monnam(mon));
243 		if(rn2(5) && mon->mhp > 1)
244 			mon->mhp--;
245 	}
246 	pline("The %s evaporates.", xname(obj));
247 
248 	if(!isyou && !rn2(3)) switch(obj->otyp) {
249 
250 	case POT_RESTORE_STRENGTH:
251 	case POT_GAIN_STRENGTH:
252 	case POT_HEALING:
253 	case POT_EXTRA_HEALING:
254 		if(mon->mhp < mon->mhpmax) {
255 			mon->mhp = mon->mhpmax;
256 			pline("%s looks sound and hale again!", Monnam(mon));
257 		}
258 		break;
259 	case POT_SICKNESS:
260 		if(mon->mhpmax > 3)
261 			mon->mhpmax /= 2;
262 		if(mon->mhp > 2)
263 			mon->mhp /= 2;
264 		break;
265 	case POT_CONFUSION:
266 	case POT_BOOZE:
267 		mon->mconf = 1;
268 		break;
269 	case POT_INVISIBILITY:
270 		unpmon(mon);
271 		mon->minvis = 1;
272 		pmon(mon);
273 		break;
274 	case POT_PARALYSIS:
275 		mon->mfroz = 1;
276 		break;
277 	case POT_SPEED:
278 		mon->mspeed = MFAST;
279 		break;
280 	case POT_BLINDNESS:
281 		mon->mblinded |= 64 + rn2(64);
282 		break;
283 /*
284 	case POT_GAIN_LEVEL:
285 	case POT_LEVITATION:
286 	case POT_FRUIT_JUICE:
287 	case POT_MONSTER_DETECTION:
288 	case POT_OBJECT_DETECTION:
289 		break;
290 */
291 	}
292 	if(uclose && rn2(5))
293 		potionbreathe(obj);
294 	obfree(obj, Null(obj));
295 }
296 
potionbreathe(obj)297 potionbreathe(obj)
298 register struct obj *obj;
299 {
300 	switch(obj->otyp) {
301 	case POT_RESTORE_STRENGTH:
302 	case POT_GAIN_STRENGTH:
303 		if(u.ustr < u.ustrmax) u.ustr++, flags.botl = 1;
304 		break;
305 	case POT_HEALING:
306 	case POT_EXTRA_HEALING:
307 		if(u.uhp < u.uhpmax) u.uhp++, flags.botl = 1;
308 		break;
309 	case POT_SICKNESS:
310 		if(u.uhp <= 5) u.uhp = 1; else u.uhp -= 5;
311 		flags.botl = 1;
312 		break;
313 	case POT_CONFUSION:
314 	case POT_BOOZE:
315 		if(!Confusion)
316 			pline("You feel somewhat dizzy.");
317 		Confusion += rnd(5);
318 		break;
319 	case POT_INVISIBILITY:
320 		pline("For an instant you couldn't see your right hand.");
321 		break;
322 	case POT_PARALYSIS:
323 		pline("Something seems to be holding you.");
324 		nomul(-rnd(5));
325 		break;
326 	case POT_SPEED:
327 		Fast += rnd(5);
328 		pline("Your knees seem more flexible now.");
329 		break;
330 	case POT_BLINDNESS:
331 		if(!Blind) pline("It suddenly gets dark.");
332 		Blind += rnd(5);
333 		seeoff(0);
334 		break;
335 /*
336 	case POT_GAIN_LEVEL:
337 	case POT_LEVITATION:
338 	case POT_FRUIT_JUICE:
339 	case POT_MONSTER_DETECTION:
340 	case POT_OBJECT_DETECTION:
341 		break;
342 */
343 	}
344 	/* note: no obfree() */
345 }
346 
347 /*
348  * -- rudimentary -- to do this correctly requires much more work
349  * -- all sharp weapons get one or more qualities derived from the potions
350  * -- texts on scrolls may be (partially) wiped out; do they become blank?
351  * --   or does their effect change, like under Confusion?
352  * -- all objects may be made invisible by POT_INVISIBILITY
353  * -- If the flask is small, can one dip a large object? Does it magically
354  * --   become a jug? Etc.
355  */
dodip()356 dodip(){
357 	register struct obj *potion, *obj;
358 
359 	if(!(obj = getobj("#", "dip")))
360 		return(0);
361 	if(!(potion = getobj("!", "dip into")))
362 		return(0);
363 	pline("Interesting...");
364 	if(obj->otyp == ARROW || obj->otyp == DART ||
365 	   obj->otyp == CROSSBOW_BOLT) {
366 		if(potion->otyp == POT_SICKNESS) {
367 			useup(potion);
368 			if(obj->spe < 7) obj->spe++;	/* %% */
369 		}
370 	}
371 	return(1);
372 }
373 
ghost_from_bottle()374 ghost_from_bottle(){
375 	extern struct permonst pm_ghost;
376 	register struct monst *mtmp;
377 
378 	if(!(mtmp = makemon(PM_GHOST,u.ux,u.uy))){
379 		pline("This bottle turns out to be empty.");
380 		return;
381 	}
382 	mnexto(mtmp);
383 	pline("As you open the bottle, an enormous ghost emerges!");
384 	pline("You are frightened to death, and unable to move.");
385 	nomul(-3);
386 }
387