hack/hack.wizard.c

   1 /*
   2  * Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985.
   3  */
   4
   5 #ifndef lint
   6 static char rcsid[] = "$NetBSD: hack.wizard.c,v 1.3 1995/03/23 08:32:09 cgd Exp $";
   7 #endif /* not lint */
   8
   9 /* wizard code - inspired by rogue code from Merlyn Leroy (digi-g!brian) */
  10
  11 #include "hack.h"
  12 extern struct permonst pm_wizard;
  13 extern struct monst *makemon();
  14
  15 #define WIZSHOT     6   /* one chance in WIZSHOT that wizard will try magic */
  16 #define BOLT_LIM    8   /* from this distance D and 1 will try to hit you */
  17
  18 char wizapp[] = "@DNPTUVXcemntx";
  19
  20 /* If he has found the Amulet, make the wizard appear after some time */
  21 amulet(){
  22         register struct obj *otmp;
  23         register 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(
  35     "You get the creepy feeling that somebody noticed your taking the Amulet."
  36                             );
  37                         return;
  38                     }
  39 }
  40
  41 wiz_hit(mtmp)
  42 register struct monst *mtmp;
  43 {
  44         /* if we have stolen or found the amulet, we disappear */
  45         if(mtmp->minvent && mtmp->minvent->olet == AMULET_SYM &&
  46             mtmp->minvent->spe == 0) {
  47                 /* vanish -- very primitive */
  48                 fall_down(mtmp);
  49                 return(1);
  50         }
  51
  52         /* if it is lying around someplace, we teleport to it */
  53         if(!carrying(AMULET_OF_YENDOR)) {
  54             register struct obj *otmp;
  55
  56             for(otmp = fobj; otmp; otmp = otmp->nobj)
  57                 if(otmp->olet == AMULET_SYM && !otmp->spe) {
  58                     if((u.ux != otmp->ox || u.uy != otmp->oy) &&
  59                        !m_at(otmp->ox, otmp->oy)) {
  60
  61                         /* teleport to it and pick it up */
  62                         mtmp->mx = otmp->ox;
  63                         mtmp->my = otmp->oy;
  64                         freeobj(otmp);
  65                         mpickobj(mtmp, otmp);
  66                         pmon(mtmp);
  67                         return(0);
  68                     }
  69                     goto hithim;
  70                 }
  71             return(0);                          /* we don't know where it is */
  72         }
  73 hithim:
  74         if(rn2(2)) {                            /* hit - perhaps steal */
  75
  76             /* if hit 1/20 chance of stealing amulet & vanish
  77                 - amulet is on level 26 again. */
  78             if(hitu(mtmp, d(mtmp->data->damn,mtmp->data->damd))
  79                 && !rn2(20) && stealamulet(mtmp))
  80                 ;
  81         }
  82         else
  83             inrange(mtmp);                      /* try magic */
  84         return(0);
  85 }
  86
  87 inrange(mtmp)
  88 register struct monst *mtmp;
  89 {
  90         register schar tx,ty;
  91
  92         /* do nothing if cancelled (but make '1' say something) */
  93         if(mtmp->data->mlet != '1' && mtmp->mcan)
  94                 return;
  95
  96         /* spit fire only when both in a room or both in a corridor */
  97         if(inroom(u.ux,u.uy) != inroom(mtmp->mx,mtmp->my)) return;
  98         tx = u.ux - mtmp->mx;
  99         ty = u.uy - mtmp->my;
 100         if((!tx && abs(ty) < BOLT_LIM) || (!ty && abs(tx) < BOLT_LIM)
 101             || (abs(tx) == abs(ty) && abs(tx) < BOLT_LIM)){
 102             switch(mtmp->data->mlet) {
 103             case 'D':
 104                 /* spit fire in the direction of @ (not nec. hitting) */
 105                 buzz(-1,mtmp->mx,mtmp->my,sgn(tx),sgn(ty));
 106                 break;
 107             case '1':
 108                 if(rn2(WIZSHOT)) break;
 109                 /* if you zapped wizard with wand of cancellation,
 110                 he has to shake off the effects before he can throw
 111                 spells successfully.  1/2 the time they fail anyway */
 112                 if(mtmp->mcan || rn2(2)) {
 113                     if(canseemon(mtmp))
 114                         pline("%s makes a gesture, then curses.",
 115                             Monnam(mtmp));
 116                     else
 117                         pline("You hear mumbled cursing.");
 118                     if(!rn2(3)) {
 119                         mtmp->mspeed = 0;
 120                         mtmp->minvis = 0;
 121                     }
 122                     if(!rn2(3))
 123                         mtmp->mcan = 0;
 124                 } else {
 125                     if(canseemon(mtmp)){
 126                         if(!rn2(6) && !Invis) {
 127                             pline("%s hypnotizes you.", Monnam(mtmp));
 128                             nomul(rn2(3) + 3);
 129                             break;
 130                         } else
 131                             pline("%s chants an incantation.",
 132                                 Monnam(mtmp));
 133                     } else
 134                             pline("You hear a mumbled incantation.");
 135                     switch(rn2(Invis ? 5 : 6)) {
 136                     case 0:
 137                         /* create a nasty monster from a deep level */
 138                         /* (for the moment, 'nasty' is not implemented) */
 139                         (void) makemon((struct permonst *)0, u.ux, u.uy);
 140                         break;
 141                     case 1:
 142                         pline("\"Destroy the thief, my pets!\"");
 143                         aggravate();    /* aggravate all the monsters */
 144                         /* fall into next case */
 145                     case 2:
 146                         if (flags.no_of_wizards == 1 && rnd(5) == 0)
 147                             /* if only 1 wizard, clone himself */
 148                             clonewiz(mtmp);
 149                         break;
 150                     case 3:
 151                         if(mtmp->mspeed == MSLOW)
 152                                 mtmp->mspeed = 0;
 153                         else
 154                                 mtmp->mspeed = MFAST;
 155                         break;
 156                     case 4:
 157                         mtmp->minvis = 1;
 158                         break;
 159                     case 5:
 160                         /* Only if not Invisible */
 161                         pline("You hear a clap of thunder!");
 162                         /* shoot a bolt of fire or cold, or a sleep ray */
 163                         buzz(-rnd(3),mtmp->mx,mtmp->my,sgn(tx),sgn(ty));
 164                         break;
 165                     }
 166                 }
 167             }
 168             if(u.uhp < 1) done_in_by(mtmp);
 169         }
 170 }
 171
 172 aggravate()
 173 {
 174         register struct monst *mtmp;
 175
 176         for(mtmp = fmon; mtmp; mtmp = mtmp->nmon) {
 177                 mtmp->msleep = 0;
 178                 if(mtmp->mfroz && !rn2(5))
 179                         mtmp->mfroz = 0;
 180         }
 181 }
 182
 183 clonewiz(mtmp)
 184 register struct monst *mtmp;
 185 {
 186         register struct monst *mtmp2;
 187
 188         if(mtmp2 = makemon(PM_WIZARD, mtmp->mx, mtmp->my)) {
 189                 flags.no_of_wizards = 2;
 190                 unpmon(mtmp2);
 191                 mtmp2->mappearance = wizapp[rn2(sizeof(wizapp)-1)];
 192                 pmon(mtmp);
 193         }
 194 }