games/hack/hack.potion.c

   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)
  20                 return (0);
  21         if (!strcmp(objects[otmp->otyp].oc_descr, "smoky") && !rn2(13)) {
  22                 ghost_from_bottle();
  23                 goto use_it;
  24         }
  25         switch (otmp->otyp) {
  26         case POT_RESTORE_STRENGTH:
  27                 unkn++;
  28                 pline("Wow!  This makes you feel great!");
  29                 if (u.ustr < u.ustrmax) {
  30                         u.ustr = u.ustrmax;
  31                         flags.botl = 1;
  32                 }
  33                 break;
  34         case POT_BOOZE:
  35                 unkn++;
  36                 pline("Ooph!  This tastes like liquid fire!");
  37                 Confusion += d(3, 8);
  38                 /* the whiskey makes us feel better */
  39                 if (u.uhp < u.uhpmax)
  40                         losehp(-1, "bottle of whiskey");
  41                 if (!rn2(4)) {
  42                         pline("You pass out.");
  43                         multi = -rnd(15);
  44                         nomovemsg = "You awake with a headache.";
  45                 }
  46                 break;
  47         case POT_INVISIBILITY:
  48                 if (Invis || See_invisible)
  49                         nothing++;
  50                 else {
  51                         if (!Blind)
  52                                 pline("Gee!  All of a sudden, you can't see yourself.");
  53                         else
  54                                 pline("You feel rather airy."), unkn++;
  55                         newsym(u.ux, u.uy);
  56                 }
  57                 Invis += rn1(15, 31);
  58                 break;
  59         case POT_FRUIT_JUICE:
  60                 pline("This tastes like fruit juice.");
  61                 lesshungry(20);
  62                 break;
  63         case POT_HEALING:
  64                 pline("You begin to feel better.");
  65                 flags.botl = 1;
  66                 u.uhp += rnd(10);
  67                 if (u.uhp > u.uhpmax)
  68                         u.uhp = ++u.uhpmax;
  69                 if (Blind)              /* see on next move */
  70                         Blind = 1;
  71                 if (Sick)
  72                         Sick = 0;
  73                 break;
  74         case POT_PARALYSIS:
  75                 if (Levitation)
  76                         pline("You are motionlessly suspended.");
  77                 else
  78                         pline("Your feet are frozen to the floor!");
  79                 nomul(-(rn1(10, 25)));
  80                 break;
  81         case POT_MONSTER_DETECTION:
  82                 if (!fmon) {
  83                         strange_feeling(otmp, "You feel threatened.");
  84                         return (1);
  85                 } else {
  86                         cls();
  87                         for (mtmp = fmon; mtmp; mtmp = mtmp->nmon)
  88                                 if (mtmp->mx > 0)
  89                                         at(mtmp->mx, mtmp->my, mtmp->data->mlet);
  90                         prme();
  91                         pline("You sense the presence of monsters.");
  92                         more();
  93                         docrt();
  94                 }
  95                 break;
  96         case POT_OBJECT_DETECTION:
  97                 if (!fobj) {
  98                         strange_feeling(otmp, "You feel a pull downward.");
  99                         return (1);
 100                 } else {
 101                         for (objs = fobj; objs; objs = objs->nobj)
 102                                 if (objs->ox != u.ux || objs->oy != u.uy)
 103                                         goto outobjmap;
 104                         pline("You sense the presence of objects close nearby.");
 105                         break;
 106 outobjmap:
 107                         cls();
 108                         for (objs = fobj; objs; objs = objs->nobj)
 109                                 at(objs->ox, objs->oy, objs->olet);
 110                         prme();
 111                         pline("You sense the presence of objects.");
 112                         more();
 113                         docrt();
 114                 }
 115                 break;
 116         case POT_SICKNESS:
 117                 pline("Yech! This stuff tastes like poison.");
 118                 if (Poison_resistance)
 119                         pline("(But in fact it was biologically contaminated orange juice.)");
 120                 losestr(rn1(4, 3));
 121                 losehp(rnd(10), "contaminated potion");
 122                 break;
 123         case POT_CONFUSION:
 124                 if (!Confusion)
 125                         pline("Huh, What?  Where am I?");
 126                 else
 127                         nothing++;
 128                 Confusion += rn1(7, 16);
 129                 break;
 130         case POT_GAIN_STRENGTH:
 131                 pline("Wow do you feel strong!");
 132                 if (u.ustr >= 118)      /* > 118 is impossible */
 133                         break;
 134                 if (u.ustr > 17)
 135                         u.ustr += rnd(118 - u.ustr);
 136                 else
 137                         u.ustr++;
 138                 if (u.ustr > u.ustrmax)
 139                         u.ustrmax = u.ustr;
 140                 flags.botl = 1;
 141                 break;
 142         case POT_SPEED:
 143                 if (Wounded_legs) {
 144                         heal_legs();
 145                         unkn++;
 146                         break;
 147                 }
 148                 if (!(Fast & ~INTRINSIC))
 149                         pline("You are suddenly moving much faster.");
 150                 else
 151                         pline("Your legs get new energy."), unkn++;
 152                 Fast += rn1(10, 100);
 153                 break;
 154         case POT_BLINDNESS:
 155                 if (!Blind)
 156                         pline("A cloud of darkness falls upon you.");
 157                 else
 158                         nothing++;
 159                 Blind += rn1(100, 250);
 160                 seeoff(0);
 161                 break;
 162         case POT_GAIN_LEVEL:
 163                 pluslvl();
 164                 break;
 165         case POT_EXTRA_HEALING:
 166                 pline("You feel much better.");
 167                 flags.botl = 1;
 168                 u.uhp += d(2, 20) + 1;
 169                 if (u.uhp > u.uhpmax)
 170                         u.uhp = (u.uhpmax += 2);
 171                 if (Blind)
 172                         Blind = 1;
 173                 if (Sick)
 174                         Sick = 0;
 175                 break;
 176         case POT_LEVITATION:
 177                 if (!Levitation)
 178                         float_up();
 179                 else
 180                         nothing++;
 181                 Levitation += rnd(100);
 182                 u.uprops[PROP(RIN_LEVITATION)].p_tofn = float_down;
 183                 break;
 184         default:
 185                 impossible("What a funny potion! (%u)", otmp->otyp);
 186                 return (0);
 187         }
 188         if (nothing) {
 189                 unkn++;
 190                 pline("You have a peculiar feeling for a moment, then it passes.");
 191         }
 192         if (otmp->dknown && !objects[otmp->otyp].oc_name_known) {
 193                 if (!unkn) {
 194                         objects[otmp->otyp].oc_name_known = 1;
 195                         more_experienced(0, 10);
 196                 } else if (!objects[otmp->otyp].oc_uname)
 197                         docall(otmp);
 198         }
 199 use_it:
 200         useup(otmp);
 201         return (1);
 202 }
 203
 204 void
 205 pluslvl(void)
 206 {
 207         int num;
 208
 209         pline("You feel more experienced.");
 210         num = rnd(10);
 211         u.uhpmax += num;
 212         u.uhp += num;
 213         if (u.ulevel < 14) {
 214                 u.uexp = newuexp() + 1;
 215                 pline("Welcome to experience level %u.", ++u.ulevel);
 216         }
 217         flags.botl = 1;
 218 }
 219
 220 void
 221 strange_feeling(struct obj *obj, const char *txt)
 222 {
 223         if (flags.beginner)
 224                 pline("You have a strange feeling for a moment, then it passes.");
 225         else
 226                 pline(txt);
 227         if (!objects[obj->otyp].oc_name_known && !objects[obj->otyp].oc_uname)
 228                 docall(obj);
 229         useup(obj);
 230 }
 231
 232 static const char *bottlenames[] = {
 233         "bottle", "phial", "flagon", "carafe", "flask", "jar", "vial"
 234 };
 235
 236 void
 237 potionhit(struct monst *mon, struct obj *obj)
 238 {
 239         const char *botlnam = bottlenames[rn2(SIZE(bottlenames))];
 240         boolean uclose, isyou = (mon == &youmonst);
 241
 242         if (isyou) {
 243                 uclose = TRUE;
 244                 pline("The %s crashes on your head and breaks into shivers.",
 245                       botlnam);
 246                 losehp(rnd(2), "thrown potion");
 247         } else {
 248                 uclose = (dist(mon->mx, mon->my) < 3);
 249                 /* perhaps 'E' and 'a' have no head? */
 250                 pline("The %s crashes on %s's head and breaks into shivers.",
 251                       botlnam, monnam(mon));
 252                 if (rn2(5) && mon->mhp > 1)
 253                         mon->mhp--;
 254         }
 255         pline("The %s evaporates.", xname(obj));
 256
 257         if (!isyou && !rn2(3))
 258                 switch (obj->otyp) {
 259                 case POT_RESTORE_STRENGTH:
 260                 case POT_GAIN_STRENGTH:
 261                 case POT_HEALING:
 262                 case POT_EXTRA_HEALING:
 263                         if (mon->mhp < mon->mhpmax) {
 264                                 mon->mhp = mon->mhpmax;
 265                                 pline("%s looks sound and hale again!", Monnam(mon));
 266                         }
 267                         break;
 268                 case POT_SICKNESS:
 269                         if (mon->mhpmax > 3)
 270                                 mon->mhpmax /= 2;
 271                         if (mon->mhp > 2)
 272                                 mon->mhp /= 2;
 273                         break;
 274                 case POT_CONFUSION:
 275                 case POT_BOOZE:
 276                         mon->mconf = 1;
 277                         break;
 278                 case POT_INVISIBILITY:
 279                         unpmon(mon);
 280                         mon->minvis = 1;
 281                         pmon(mon);
 282                         break;
 283                 case POT_PARALYSIS:
 284                         mon->mfroz = 1;
 285                         break;
 286                 case POT_SPEED:
 287                         mon->mspeed = MFAST;
 288                         break;
 289                 case POT_BLINDNESS:
 290                         mon->mblinded |= 64 + rn2(64);
 291                         break;
 292 /*
 293  *      case POT_GAIN_LEVEL:
 294  *      case POT_LEVITATION:
 295  *      case POT_FRUIT_JUICE:
 296  *      case POT_MONSTER_DETECTION:
 297  *      case POT_OBJECT_DETECTION:
 298  *              break;
 299  */
 300                 }
 301         if (uclose && rn2(5))
 302                 potionbreathe(obj);
 303         obfree(obj, NULL);
 304 }
 305
 306 void
 307 potionbreathe(struct obj *obj)
 308 {
 309         switch (obj->otyp) {
 310         case POT_RESTORE_STRENGTH:
 311         case POT_GAIN_STRENGTH:
 312                 if (u.ustr < u.ustrmax) {
 313                         u.ustr++;
 314                         flags.botl = 1;
 315                 }
 316                 break;
 317         case POT_HEALING:
 318         case POT_EXTRA_HEALING:
 319                 if (u.uhp < u.uhpmax) {
 320                         u.uhp++;
 321                         flags.botl = 1;
 322                 }
 323                 break;
 324         case POT_SICKNESS:
 325                 if (u.uhp <= 5)
 326                         u.uhp = 1;
 327                 else
 328                         u.uhp -= 5;
 329                 flags.botl = 1;
 330                 break;
 331         case POT_CONFUSION:
 332         case POT_BOOZE:
 333                 if (!Confusion)
 334                         pline("You feel somewhat dizzy.");
 335                 Confusion += rnd(5);
 336                 break;
 337         case POT_INVISIBILITY:
 338                 pline("For an instant you couldn't see your right hand.");
 339                 break;
 340         case POT_PARALYSIS:
 341                 pline("Something seems to be holding you.");
 342                 nomul(-rnd(5));
 343                 break;
 344         case POT_SPEED:
 345                 Fast += rnd(5);
 346                 pline("Your knees seem more flexible now.");
 347                 break;
 348         case POT_BLINDNESS:
 349                 if (!Blind)
 350                         pline("It suddenly gets dark.");
 351                 Blind += rnd(5);
 352                 seeoff(0);
 353                 break;
 354 /*
 355  *      case POT_GAIN_LEVEL:
 356  *      case POT_LEVITATION:
 357  *      case POT_FRUIT_JUICE:
 358  *      case POT_MONSTER_DETECTION:
 359  *      case POT_OBJECT_DETECTION:
 360  *              break;
 361  */
 362         }
 363         /* note: no obfree() */
 364 }
 365
 366 /*
 367  * -- rudimentary -- to do this correctly requires much more work
 368  * -- all sharp weapons get one or more qualities derived from the potions
 369  * -- texts on scrolls may be (partially) wiped out; do they become blank?
 370  * --   or does their effect change, like under Confusion?
 371  * -- all objects may be made invisible by POT_INVISIBILITY
 372  * -- If the flask is small, can one dip a large object? Does it magically
 373  * --   become a jug? Etc.
 374  */
 375 int
 376 dodip(void)
 377 {
 378         struct obj *potion, *obj;
 379
 380         if (!(obj = getobj("#", "dip")))
 381                 return (0);
 382         if (!(potion = getobj("!", "dip into")))
 383                 return (0);
 384         pline("Interesting...");
 385         if (obj->otyp == ARROW || obj->otyp == DART ||
 386             obj->otyp == CROSSBOW_BOLT)
 387                 if (potion->otyp == POT_SICKNESS) {
 388                         useup(potion);
 389                         if (obj->spe < 7)       /* %% */
 390                                 obj->spe++;
 391                 }
 392         return (1);
 393 }
 394
 395 static void
 396 ghost_from_bottle(void)
 397 {
 398         struct monst *mtmp;
 399
 400         if (!(mtmp = makemon(PM_GHOST, u.ux, u.uy))) {
 401                 pline("This bottle turns out to be empty.");
 402                 return;
 403         }
 404         mnexto(mtmp);
 405         pline("As you open the bottle, an enormous ghost emerges!");
 406         pline("You are frightened to death, and unable to move.");
 407         nomul(-3);
 408 }