src/quest.c

   1 /* NetHack 3.6  quest.c $NHDT-Date: 1446191878 2015/10/30 07:57:58 $  $NHDT-Branch: master $:$NHDT-Revision: 1.20 $ */
   2 /*      Copyright 1991, M. Stephenson             */
   3 /* NetHack may be freely redistributed.  See license for details. */
   4
   5 #include "hack.h"
   6
   7 /*  quest dungeon branch routines. */
   8
   9 #include "quest.h"
  10 #include "qtext.h"
  11
  12 #define Not_firsttime (on_level(&u.uz0, &u.uz))
  13 #define Qstat(x) (quest_status.x)
  14
  15 STATIC_DCL void NDECL(on_start);
  16 STATIC_DCL void NDECL(on_locate);
  17 STATIC_DCL void NDECL(on_goal);
  18 STATIC_DCL boolean NDECL(not_capable);
  19 STATIC_DCL int FDECL(is_pure, (BOOLEAN_P));
  20 STATIC_DCL void FDECL(expulsion, (BOOLEAN_P));
  21 STATIC_DCL void NDECL(chat_with_leader);
  22 STATIC_DCL void NDECL(chat_with_nemesis);
  23 STATIC_DCL void NDECL(chat_with_guardian);
  24 STATIC_DCL void FDECL(prisoner_speaks, (struct monst *));
  25
  26 STATIC_OVL void
  27 on_start()
  28 {
  29     if (!Qstat(first_start)) {
  30         qt_pager(QT_FIRSTTIME);
  31         Qstat(first_start) = TRUE;
  32     } else if ((u.uz0.dnum != u.uz.dnum) || (u.uz0.dlevel < u.uz.dlevel)) {
  33         if (Qstat(not_ready) <= 2)
  34             qt_pager(QT_NEXTTIME);
  35         else
  36             qt_pager(QT_OTHERTIME);
  37     }
  38 }
  39
  40 STATIC_OVL void
  41 on_locate()
  42 {
  43     /* the locate messages are phrased in a manner such that they only
  44        make sense when arriving on the level from above */
  45     boolean from_above = (u.uz0.dlevel < u.uz.dlevel);
  46
  47     if (Qstat(killed_nemesis)) {
  48         return;
  49     } else if (!Qstat(first_locate)) {
  50         if (from_above)
  51             qt_pager(QT_FIRSTLOCATE);
  52         /* if we've arrived from below this will be a lie, but there won't
  53            be any point in delivering the message upon a return visit from
  54            above later since the level has now been seen */
  55         Qstat(first_locate) = TRUE;
  56     } else {
  57         if (from_above)
  58             qt_pager(QT_NEXTLOCATE);
  59     }
  60 }
  61
  62 STATIC_OVL void
  63 on_goal()
  64 {
  65     if (Qstat(killed_nemesis)) {
  66         return;
  67     } else if (!Qstat(made_goal)) {
  68         qt_pager(QT_FIRSTGOAL);
  69         Qstat(made_goal) = 1;
  70     } else {
  71         qt_pager(QT_NEXTGOAL);
  72         if (Qstat(made_goal) < 7)
  73             Qstat(made_goal)++;
  74     }
  75 }
  76
  77 void
  78 onquest()
  79 {
  80     if (u.uevent.qcompleted || Not_firsttime)
  81         return;
  82     if (!Is_special(&u.uz))
  83         return;
  84
  85     if (Is_qstart(&u.uz))
  86         on_start();
  87     else if (Is_qlocate(&u.uz))
  88         on_locate();
  89     else if (Is_nemesis(&u.uz))
  90         on_goal();
  91     return;
  92 }
  93
  94 void
  95 nemdead()
  96 {
  97     if (!Qstat(killed_nemesis)) {
  98         Qstat(killed_nemesis) = TRUE;
  99         qt_pager(QT_KILLEDNEM);
 100     }
 101 }
 102
 103 void
 104 artitouch(obj)
 105 struct obj *obj;
 106 {
 107     if (!Qstat(touched_artifact)) {
 108         /* in case we haven't seen the item yet (ie, currently blinded),
 109            this quest message describes it by name so mark it as seen */
 110         obj->dknown = 1;
 111         /* only give this message once */
 112         Qstat(touched_artifact) = TRUE;
 113         qt_pager(QT_GOTIT);
 114         exercise(A_WIS, TRUE);
 115     }
 116 }
 117
 118 /* external hook for do.c (level change check) */
 119 boolean
 120 ok_to_quest()
 121 {
 122     return (boolean) ((Qstat(got_quest) || Qstat(got_thanks))
 123                       && is_pure(FALSE) > 0);
 124 }
 125
 126 STATIC_OVL boolean
 127 not_capable()
 128 {
 129     return (boolean) (u.ulevel < MIN_QUEST_LEVEL);
 130 }
 131
 132 STATIC_OVL int
 133 is_pure(talk)
 134 boolean talk;
 135 {
 136     int purity;
 137     aligntyp original_alignment = u.ualignbase[A_ORIGINAL];
 138
 139     if (wizard && talk) {
 140         if (u.ualign.type != original_alignment) {
 141             You("are currently %s instead of %s.", align_str(u.ualign.type),
 142                 align_str(original_alignment));
 143         } else if (u.ualignbase[A_CURRENT] != original_alignment) {
 144             You("have converted.");
 145         } else if (u.ualign.record < MIN_QUEST_ALIGN) {
 146             You("are currently %d and require %d.", u.ualign.record,
 147                 MIN_QUEST_ALIGN);
 148             if (yn_function("adjust?", (char *) 0, 'y') == 'y')
 149                 u.ualign.record = MIN_QUEST_ALIGN;
 150         }
 151     }
 152     purity = (u.ualign.record >= MIN_QUEST_ALIGN
 153               && u.ualign.type == original_alignment
 154               && u.ualignbase[A_CURRENT] == original_alignment)
 155                  ? 1
 156                  : (u.ualignbase[A_CURRENT] != original_alignment) ? -1 : 0;
 157     return purity;
 158 }
 159
 160 /*
 161  * Expel the player to the stairs on the parent of the quest dungeon.
 162  *
 163  * This assumes that the hero is currently _in_ the quest dungeon and that
 164  * there is a single branch to and from it.
 165  */
 166 STATIC_OVL void
 167 expulsion(seal)
 168 boolean seal;
 169 {
 170     branch *br;
 171     d_level *dest;
 172     struct trap *t;
 173     int portal_flag;
 174
 175     br = dungeon_branch("The Quest");
 176     dest = (br->end1.dnum == u.uz.dnum) ? &br->end2 : &br->end1;
 177     portal_flag = u.uevent.qexpelled ? 0 /* returned via artifact? */
 178                                      : !seal ? 1 : -1;
 179     schedule_goto(dest, FALSE, FALSE, portal_flag, (char *) 0, (char *) 0);
 180     if (seal) { /* remove the portal to the quest - sealing it off */
 181         int reexpelled = u.uevent.qexpelled;
 182         u.uevent.qexpelled = 1;
 183         remdun_mapseen(quest_dnum);
 184         /* Delete the near portal now; the far (main dungeon side)
 185            portal will be deleted as part of arrival on that level.
 186            If monster movement is in progress, any who haven't moved
 187            yet will now miss out on a chance to wander through it... */
 188         for (t = ftrap; t; t = t->ntrap)
 189             if (t->ttyp == MAGIC_PORTAL)
 190                 break;
 191         if (t)
 192             deltrap(t); /* (display might be briefly out of sync) */
 193         else if (!reexpelled)
 194             impossible("quest portal already gone?");
 195     }
 196 }
 197
 198 /* Either you've returned to quest leader while carrying the quest
 199    artifact or you've just thrown it to/at him or her.  If quest
 200    completion text hasn't been given yet, give it now.  Otherwise
 201    give another message about the character keeping the artifact
 202    and using the magic portal to return to the dungeon. */
 203 void
 204 finish_quest(obj)
 205 struct obj *obj; /* quest artifact; possibly null if carrying Amulet */
 206 {
 207     struct obj *otmp;
 208
 209     if (u.uhave.amulet) { /* unlikely but not impossible */
 210         qt_pager(QT_HASAMULET);
 211         /* leader IDs the real amulet but ignores any fakes */
 212         if ((otmp = carrying(AMULET_OF_YENDOR)) != 0)
 213             fully_identify_obj(otmp);
 214     } else {
 215         qt_pager(!Qstat(got_thanks) ? QT_OFFEREDIT : QT_OFFEREDIT2);
 216         /* should have obtained bell during quest;
 217            if not, suggest returning for it now */
 218         if ((otmp = carrying(BELL_OF_OPENING)) == 0)
 219             com_pager(5);
 220     }
 221     Qstat(got_thanks) = TRUE;
 222
 223     if (obj) {
 224         u.uevent.qcompleted = 1; /* you did it! */
 225         /* behave as if leader imparts sufficient info about the
 226            quest artifact */
 227         fully_identify_obj(obj);
 228         update_inventory();
 229     }
 230 }
 231
 232 STATIC_OVL void
 233 chat_with_leader()
 234 {
 235     /*  Rule 0: Cheater checks. */
 236     if (u.uhave.questart && !Qstat(met_nemesis))
 237         Qstat(cheater) = TRUE;
 238
 239     /*  It is possible for you to get the amulet without completing
 240      *  the quest.  If so, try to induce the player to quest.
 241      */
 242     if (Qstat(got_thanks)) {
 243         /* Rule 1: You've gone back with/without the amulet. */
 244         if (u.uhave.amulet)
 245             finish_quest((struct obj *) 0);
 246
 247         /* Rule 2: You've gone back before going for the amulet. */
 248         else
 249             qt_pager(QT_POSTHANKS);
 250
 251     /* Rule 3: You've got the artifact and are back to return it. */
 252     } else if (u.uhave.questart) {
 253         struct obj *otmp;
 254
 255         for (otmp = invent; otmp; otmp = otmp->nobj)
 256             if (is_quest_artifact(otmp))
 257                 break;
 258
 259         finish_quest(otmp);
 260
 261     /* Rule 4: You haven't got the artifact yet. */
 262     } else if (Qstat(got_quest)) {
 263         qt_pager(rn1(10, QT_ENCOURAGE));
 264
 265     /* Rule 5: You aren't yet acceptable - or are you? */
 266     } else {
 267         if (!Qstat(met_leader)) {
 268             qt_pager(QT_FIRSTLEADER);
 269             Qstat(met_leader) = TRUE;
 270             Qstat(not_ready) = 0;
 271         } else
 272             qt_pager(QT_NEXTLEADER);
 273
 274         /* the quest leader might have passed through the portal into
 275            the regular dungeon; none of the remaining make sense there */
 276         if (!on_level(&u.uz, &qstart_level))
 277             return;
 278
 279         if (not_capable()) {
 280             qt_pager(QT_BADLEVEL);
 281             exercise(A_WIS, TRUE);
 282             expulsion(FALSE);
 283         } else if (is_pure(TRUE) < 0) {
 284             com_pager(QT_BANISHED);
 285             expulsion(TRUE);
 286         } else if (is_pure(TRUE) == 0) {
 287             qt_pager(QT_BADALIGN);
 288             if (Qstat(not_ready) == MAX_QUEST_TRIES) {
 289                 qt_pager(QT_LASTLEADER);
 290                 expulsion(TRUE);
 291             } else {
 292                 Qstat(not_ready)++;
 293                 exercise(A_WIS, TRUE);
 294                 expulsion(FALSE);
 295             }
 296         } else { /* You are worthy! */
 297             qt_pager(QT_ASSIGNQUEST);
 298             exercise(A_WIS, TRUE);
 299             Qstat(got_quest) = TRUE;
 300         }
 301     }
 302 }
 303
 304 void
 305 leader_speaks(mtmp)
 306 struct monst *mtmp;
 307 {
 308     /* maybe you attacked leader? */
 309     if (!mtmp->mpeaceful) {
 310         Qstat(pissed_off) = TRUE;
 311         mtmp->mstrategy &= ~STRAT_WAITMASK; /* end the inaction */
 312     }
 313     /* the quest leader might have passed through the portal into the
 314        regular dungeon; if so, mustn't perform "backwards expulsion" */
 315     if (!on_level(&u.uz, &qstart_level))
 316         return;
 317
 318     if (Qstat(pissed_off)) {
 319         qt_pager(QT_LASTLEADER);
 320         expulsion(TRUE);
 321     } else
 322         chat_with_leader();
 323 }
 324
 325 STATIC_OVL void
 326 chat_with_nemesis()
 327 {
 328     /*  The nemesis will do most of the talking, but... */
 329     qt_pager(rn1(10, QT_DISCOURAGE));
 330     if (!Qstat(met_nemesis))
 331         Qstat(met_nemesis++);
 332 }
 333
 334 void
 335 nemesis_speaks()
 336 {
 337     if (!Qstat(in_battle)) {
 338         if (u.uhave.questart)
 339             qt_pager(QT_NEMWANTSIT);
 340         else if (Qstat(made_goal) == 1 || !Qstat(met_nemesis))
 341             qt_pager(QT_FIRSTNEMESIS);
 342         else if (Qstat(made_goal) < 4)
 343             qt_pager(QT_NEXTNEMESIS);
 344         else if (Qstat(made_goal) < 7)
 345             qt_pager(QT_OTHERNEMESIS);
 346         else if (!rn2(5))
 347             qt_pager(rn1(10, QT_DISCOURAGE));
 348         if (Qstat(made_goal) < 7)
 349             Qstat(made_goal)++;
 350         Qstat(met_nemesis) = TRUE;
 351     } else /* he will spit out random maledictions */
 352         if (!rn2(5))
 353         qt_pager(rn1(10, QT_DISCOURAGE));
 354 }
 355
 356 STATIC_OVL void
 357 chat_with_guardian()
 358 {
 359     /*  These guys/gals really don't have much to say... */
 360     if (u.uhave.questart && Qstat(killed_nemesis))
 361         qt_pager(rn1(5, QT_GUARDTALK2));
 362     else
 363         qt_pager(rn1(5, QT_GUARDTALK));
 364 }
 365
 366 STATIC_OVL void
 367 prisoner_speaks(mtmp)
 368 struct monst *mtmp;
 369 {
 370     if (mtmp->data == &mons[PM_PRISONER]
 371         && (mtmp->mstrategy & STRAT_WAITMASK)) {
 372         /* Awaken the prisoner */
 373         if (canseemon(mtmp))
 374             pline("%s speaks:", Monnam(mtmp));
 375         verbalize("I'm finally free!");
 376         mtmp->mstrategy &= ~STRAT_WAITMASK;
 377         mtmp->mpeaceful = 1;
 378
 379         /* Your god is happy... */
 380         adjalign(3);
 381
 382         /* ...But the guards are not */
 383         (void) angry_guards(FALSE);
 384     }
 385     return;
 386 }
 387
 388 void
 389 quest_chat(mtmp)
 390 register struct monst *mtmp;
 391 {
 392     if (mtmp->m_id == Qstat(leader_m_id)) {
 393         chat_with_leader();
 394         return;
 395     }
 396     switch (mtmp->data->msound) {
 397     case MS_NEMESIS:
 398         chat_with_nemesis();
 399         break;
 400     case MS_GUARDIAN:
 401         chat_with_guardian();
 402         break;
 403     default:
 404         impossible("quest_chat: Unknown quest character %s.", mon_nam(mtmp));
 405     }
 406 }
 407
 408 void
 409 quest_talk(mtmp)
 410 struct monst *mtmp;
 411 {
 412     if (mtmp->m_id == Qstat(leader_m_id)) {
 413         leader_speaks(mtmp);
 414         return;
 415     }
 416     switch (mtmp->data->msound) {
 417     case MS_NEMESIS:
 418         nemesis_speaks();
 419         break;
 420     case MS_DJINNI:
 421         prisoner_speaks(mtmp);
 422         break;
 423     default:
 424         break;
 425     }
 426 }
 427
 428 void
 429 quest_stat_check(mtmp)
 430 struct monst *mtmp;
 431 {
 432     if (mtmp->data->msound == MS_NEMESIS)
 433         Qstat(in_battle) = (mtmp->mcanmove && !mtmp->msleeping
 434                             && monnear(mtmp, u.ux, u.uy));
 435 }
 436
 437 /*quest.c*/