games/hack/hack.wizard.c

   1 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
   2 /* hack.wizard.c - version 1.0.3 */
   3 /* $FreeBSD: src/games/hack/hack.wizard.c,v 1.3 1999/11/16 02:57:14 billf Exp $ */
   4
   5 /* wizard code - inspired by rogue code from Merlyn Leroy (digi-g!brian) */
   6
   7 #include "hack.h"
   8 extern struct permonst pm_wizard;
   9
  10 #define WIZSHOT     6   /* one chance in WIZSHOT that wizard will try magic */
  11 #define BOLT_LIM    8   /* from this distance D and 1 will try to hit you */
  12
  13 char wizapp[] = "@DNPTUVXcemntx";
  14
  15 static void aggravate(void);
  16 static void clonewiz(struct monst *);
  17
  18 /* If he has found the Amulet, make the wizard appear after some time */
  19 void
  20 amulet(void)
  21 {
  22         struct obj *otmp;
  23         struct monst *mtmp;
  24
  25         if (!flags.made_amulet || !flags.no_of_wizards)
  26                 return;
  27         /* find wizard, and wake him if necessary */
  28         for (mtmp = fmon; mtmp; mtmp = mtmp->nmon)
  29                 if (mtmp->data->mlet == '1' && mtmp->msleep && !rn2(40))
  30                         for (otmp = invent; otmp; otmp = otmp->nobj)
  31                                 if (otmp->olet == AMULET_SYM && !otmp->spe) {
  32                                         mtmp->msleep = 0;
  33                                         if (dist(mtmp->mx, mtmp->my) > 2)
  34                                                 pline("You get the creepy feeling that somebody noticed your taking the Amulet.");
  35                                         return;
  36                                 }
  37 }
  38
  39 bool
  40 wiz_hit(struct monst *mtmp)
  41 {
  42         /* if we have stolen or found the amulet, we disappear */
  43         if (mtmp->minvent && mtmp->minvent->olet == AMULET_SYM &&
  44             mtmp->minvent->spe == 0) {
  45                 /* vanish -- very primitive */
  46                 fall_down(mtmp);
  47                 return (1);
  48         }
  49
  50         /* if it is lying around someplace, we teleport to it */
  51         if (!carrying(AMULET_OF_YENDOR)) {
  52                 struct obj *otmp;
  53
  54                 for (otmp = fobj; otmp; otmp = otmp->nobj)
  55                         if (otmp->olet == AMULET_SYM && !otmp->spe) {
  56                                 if ((u.ux != otmp->ox || u.uy != otmp->oy) &&
  57                                     !m_at(otmp->ox, otmp->oy)) {
  58                                         /* teleport to it and pick it up */
  59                                         mtmp->mx = otmp->ox;
  60                                         mtmp->my = otmp->oy;
  61                                         freeobj(otmp);
  62                                         mpickobj(mtmp, otmp);
  63                                         pmon(mtmp);
  64                                         return (0);
  65                                 }
  66                                 goto hithim;
  67                         }
  68                 return (0);     /* we don't know where it is */
  69         }
  70 hithim:
  71         if (rn2(2)) {           /* hit - perhaps steal */
  72                 /*
  73                  * if hit 1/20 chance of stealing amulet & vanish
  74                  *  - amulet is on level 26 again.
  75                  */
  76                 if (hitu(mtmp, d(mtmp->data->damn, mtmp->data->damd))
  77                     && !rn2(20) && stealamulet(mtmp))
  78                         return (0);
  79         } else
  80                 inrange(mtmp);          /* try magic */
  81         return (0);
  82 }
  83
  84 void
  85 inrange(struct monst *mtmp)
  86 {
  87         schar tx, ty;
  88
  89         /* do nothing if cancelled (but make '1' say something) */
  90         if (mtmp->data->mlet != '1' && mtmp->mcan)
  91                 return;
  92
  93         /* spit fire only when both in a room or both in a corridor */
  94         if (inroom(u.ux, u.uy) != inroom(mtmp->mx, mtmp->my))
  95                 return;
  96         tx = u.ux - mtmp->mx;
  97         ty = u.uy - mtmp->my;
  98         if ((!tx && abs(ty) < BOLT_LIM) || (!ty && abs(tx) < BOLT_LIM)
  99             || (abs(tx) == abs(ty) && abs(tx) < BOLT_LIM)) {
 100                 switch (mtmp->data->mlet) {
 101                 case 'D':
 102                         /* spit fire in the direction of @ (not nec. hitting) */
 103                         buzz(-1, mtmp->mx, mtmp->my, sgn(tx), sgn(ty));
 104                         break;
 105                 case '1':
 106                         if (rn2(WIZSHOT))
 107                                 break;
 108                         /*
 109                          * if you zapped wizard with wand of cancellation, he
 110                          * has to shake off the effects before he can throw
 111                          * spells successfully.  1/2 the time they fail anyway
 112                          */
 113                         if (mtmp->mcan || rn2(2)) {
 114                                 if (canseemon(mtmp))
 115                                         pline("%s makes a gesture, then curses.",
 116                                             Monnam(mtmp));
 117                                 else
 118                                         pline("You hear mumbled cursing.");
 119                                 if (!rn2(3)) {
 120                                         mtmp->mspeed = 0;
 121                                         mtmp->minvis = 0;
 122                                 }
 123                                 if (!rn2(3))
 124                                         mtmp->mcan = 0;
 125                         } else {
 126                                 if (canseemon(mtmp)) {
 127                                         if (!rn2(6) && !Invis) {
 128                                                 pline("%s hypnotizes you.", Monnam(mtmp));
 129                                                 nomul(rn2(3) + 3);
 130                                                 break;
 131                                         } else
 132                                                 pline("%s chants an incantation.",
 133                                                     Monnam(mtmp));
 134                                 } else
 135                                         pline("You hear a mumbled incantation.");
 136                                 switch (rn2(Invis ? 5 : 6)) {
 137                                 case 0:
 138                                         /* create a nasty monster from a deep level */
 139                                         /* (for the moment, 'nasty' is not implemented) */
 140                                         makemon(NULL, u.ux, u.uy);
 141                                         break;
 142                                 case 1:
 143                                         pline("\"Destroy the thief, my pets!\"");
 144                                         aggravate(); /* aggravate all the monsters */
 145                                         /* FALLTHROUGH */
 146                                 case 2:
 147                                         if (flags.no_of_wizards == 1 && rnd(5) == 0)
 148                                                 /* if only 1 wizard, clone himself */
 149                                                 clonewiz(mtmp);
 150                                         break;
 151                                 case 3:
 152                                         if (mtmp->mspeed == MSLOW)
 153                                                 mtmp->mspeed = 0;
 154                                         else
 155                                                 mtmp->mspeed = MFAST;
 156                                         break;
 157                                 case 4:
 158                                         mtmp->minvis = 1;
 159                                         break;
 160                                 case 5:
 161                                         /* Only if not Invisible */
 162                                         pline("You hear a clap of thunder!");
 163                                         /* shoot a bolt of fire or cold, or a sleep ray */
 164                                         buzz(-rnd(3), mtmp->mx, mtmp->my, sgn(tx), sgn(ty));
 165                                         break;
 166                                 }
 167                         }
 168                 }
 169                 if (u.uhp < 1)
 170                         done_in_by(mtmp);
 171         }
 172 }
 173
 174 static void
 175 aggravate(void)
 176 {
 177         struct monst *mtmp;
 178
 179         for (mtmp = fmon; mtmp; mtmp = mtmp->nmon) {
 180                 mtmp->msleep = 0;
 181                 if (mtmp->mfroz && !rn2(5))
 182                         mtmp->mfroz = 0;
 183         }
 184 }
 185
 186 static void
 187 clonewiz(struct monst *mtmp)
 188 {
 189         struct monst *mtmp2;
 190
 191         if ((mtmp2 = makemon(PM_WIZARD, mtmp->mx, mtmp->my)) != NULL) {
 192                 flags.no_of_wizards = 2;
 193                 unpmon(mtmp2);
 194                 mtmp2->mappearance = wizapp[rn2(sizeof(wizapp) - 1)];
 195                 pmon(mtmp);
 196         }
 197 }