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 /* $DragonFly: src/games/hack/hack.wizard.c,v 1.3 2006/08/21 19:45:32 pavalos Exp $ */
   5
   6 /* wizard code - inspired by rogue code from Merlyn Leroy (digi-g!brian) */
   7
   8 #include "hack.h"
   9 extern struct permonst pm_wizard;
  10
  11 #define WIZSHOT     6   /* one chance in WIZSHOT that wizard will try magic */
  12 #define BOLT_LIM    8   /* from this distance D and 1 will try to hit you */
  13
  14 char wizapp[] = "@DNPTUVXcemntx";
  15
  16 static void aggravate(void);
  17 static void clonewiz(struct monst *);
  18
  19 /* If he has found the Amulet, make the wizard appear after some time */
  20 void
  21 amulet(void)
  22 {
  23         struct obj *otmp;
  24         struct monst *mtmp;
  25
  26         if (!flags.made_amulet || !flags.no_of_wizards)
  27                 return;
  28         /* find wizard, and wake him if necessary */
  29         for (mtmp = fmon; mtmp; mtmp = mtmp->nmon)
  30                 if (mtmp->data->mlet == '1' && mtmp->msleep && !rn2(40))
  31                         for (otmp = invent; otmp; otmp = otmp->nobj)
  32                                 if (otmp->olet == AMULET_SYM && !otmp->spe) {
  33                                         mtmp->msleep = 0;
  34                                         if (dist(mtmp->mx, mtmp->my) > 2)
  35                                                 pline("You get the creepy feeling that somebody noticed your taking the Amulet.");
  36                                         return;
  37                                 }
  38 }
  39
  40 bool
  41 wiz_hit(struct monst *mtmp)
  42 {
  43         /* if we have stolen or found the amulet, we disappear */
  44         if (mtmp->minvent && mtmp->minvent->olet == AMULET_SYM &&
  45             mtmp->minvent->spe == 0) {
  46                 /* vanish -- very primitive */
  47                 fall_down(mtmp);
  48                 return (1);
  49         }
  50
  51         /* if it is lying around someplace, we teleport to it */
  52         if (!carrying(AMULET_OF_YENDOR)) {
  53                 struct obj *otmp;
  54
  55                 for (otmp = fobj; otmp; otmp = otmp->nobj)
  56                         if (otmp->olet == AMULET_SYM && !otmp->spe) {
  57                                 if ((u.ux != otmp->ox || u.uy != otmp->oy) &&
  58                                     !m_at(otmp->ox, otmp->oy)) {
  59                                         /* teleport to it and pick it up */
  60                                         mtmp->mx = otmp->ox;
  61                                         mtmp->my = otmp->oy;
  62                                         freeobj(otmp);
  63                                         mpickobj(mtmp, otmp);
  64                                         pmon(mtmp);
  65                                         return (0);
  66                                 }
  67                                 goto hithim;
  68                         }
  69                 return (0);     /* we don't know where it is */
  70         }
  71 hithim:
  72         if (rn2(2)) {           /* hit - perhaps steal */
  73                 /*
  74                  * if hit 1/20 chance of stealing amulet & vanish
  75                  *  - amulet is on level 26 again.
  76                  */
  77                 if (hitu(mtmp, d(mtmp->data->damn, mtmp->data->damd))
  78                     && !rn2(20) && stealamulet(mtmp))
  79                         return (0);
  80         } else
  81                 inrange(mtmp);          /* try magic */
  82         return (0);
  83 }
  84
  85 void
  86 inrange(struct monst *mtmp)
  87 {
  88         schar tx, ty;
  89
  90         /* do nothing if cancelled (but make '1' say something) */
  91         if (mtmp->data->mlet != '1' && mtmp->mcan)
  92                 return;
  93
  94         /* spit fire only when both in a room or both in a corridor */
  95         if (inroom(u.ux, u.uy) != inroom(mtmp->mx, mtmp->my))
  96                 return;
  97         tx = u.ux - mtmp->mx;
  98         ty = u.uy - mtmp->my;
  99         if ((!tx && abs(ty) < BOLT_LIM) || (!ty && abs(tx) < BOLT_LIM)
 100             || (abs(tx) == abs(ty) && abs(tx) < BOLT_LIM)) {
 101                 switch (mtmp->data->mlet) {
 102                 case 'D':
 103                         /* spit fire in the direction of @ (not nec. hitting) */
 104                         buzz(-1, mtmp->mx, mtmp->my, sgn(tx), sgn(ty));
 105                         break;
 106                 case '1':
 107                         if (rn2(WIZSHOT))
 108                                 break;
 109                         /*
 110                          * if you zapped wizard with wand of cancellation, he
 111                          * has to shake off the effects before he can throw
 112                          * spells successfully.  1/2 the time they fail anyway
 113                          */
 114                         if (mtmp->mcan || rn2(2)) {
 115                                 if (canseemon(mtmp))
 116                                         pline("%s makes a gesture, then curses.",
 117                                             Monnam(mtmp));
 118                                 else
 119                                         pline("You hear mumbled cursing.");
 120                                 if (!rn2(3)) {
 121                                         mtmp->mspeed = 0;
 122                                         mtmp->minvis = 0;
 123                                 }
 124                                 if (!rn2(3))
 125                                         mtmp->mcan = 0;
 126                         } else {
 127                                 if (canseemon(mtmp)) {
 128                                         if (!rn2(6) && !Invis) {
 129                                                 pline("%s hypnotizes you.", Monnam(mtmp));
 130                                                 nomul(rn2(3) + 3);
 131                                                 break;
 132                                         } else
 133                                                 pline("%s chants an incantation.",
 134                                                     Monnam(mtmp));
 135                                 } else
 136                                         pline("You hear a mumbled incantation.");
 137                                 switch (rn2(Invis ? 5 : 6)) {
 138                                 case 0:
 139                                         /* create a nasty monster from a deep level */
 140                                         /* (for the moment, 'nasty' is not implemented) */
 141                                         makemon(NULL, u.ux, u.uy);
 142                                         break;
 143                                 case 1:
 144                                         pline("\"Destroy the thief, my pets!\"");
 145                                         aggravate(); /* aggravate all the monsters */
 146                                         /* fall into next case */
 147                                 case 2:
 148                                         if (flags.no_of_wizards == 1 && rnd(5) == 0)
 149                                                 /* if only 1 wizard, clone himself */
 150                                                 clonewiz(mtmp);
 151                                         break;
 152                                 case 3:
 153                                         if (mtmp->mspeed == MSLOW)
 154                                                 mtmp->mspeed = 0;
 155                                         else
 156                                                 mtmp->mspeed = MFAST;
 157                                         break;
 158                                 case 4:
 159                                         mtmp->minvis = 1;
 160                                         break;
 161                                 case 5:
 162                                         /* Only if not Invisible */
 163                                         pline("You hear a clap of thunder!");
 164                                         /* shoot a bolt of fire or cold, or a sleep ray */
 165                                         buzz(-rnd(3), mtmp->mx, mtmp->my, sgn(tx), sgn(ty));
 166                                         break;
 167                                 }
 168                         }
 169                 }
 170                 if (u.uhp < 1)
 171                         done_in_by(mtmp);
 172         }
 173 }
 174
 175 static void
 176 aggravate(void)
 177 {
 178         struct monst *mtmp;
 179
 180         for (mtmp = fmon; mtmp; mtmp = mtmp->nmon) {
 181                 mtmp->msleep = 0;
 182                 if (mtmp->mfroz && !rn2(5))
 183                         mtmp->mfroz = 0;
 184         }
 185 }
 186
 187 static void
 188 clonewiz(struct monst *mtmp)
 189 {
 190         struct monst *mtmp2;
 191
 192         if ((mtmp2 = makemon(PM_WIZARD, mtmp->mx, mtmp->my)) != NULL) {
 193                 flags.no_of_wizards = 2;
 194                 unpmon(mtmp2);
 195                 mtmp2->mappearance = wizapp[rn2(sizeof(wizapp) - 1)];
 196                 pmon(mtmp);
 197         }
 198 }