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(
  36     "You get the creepy feeling that somebody noticed your taking the Amulet."
  37                             );
  38                         return;
  39                     }
  40 }
  41
  42 bool
  43 wiz_hit(struct monst *mtmp)
  44 {
  45         /* if we have stolen or found the amulet, we disappear */
  46         if(mtmp->minvent && mtmp->minvent->olet == AMULET_SYM &&
  47             mtmp->minvent->spe == 0) {
  48                 /* vanish -- very primitive */
  49                 fall_down(mtmp);
  50                 return(1);
  51         }
  52
  53         /* if it is lying around someplace, we teleport to it */
  54         if(!carrying(AMULET_OF_YENDOR)) {
  55             struct obj *otmp;
  56
  57             for(otmp = fobj; otmp; otmp = otmp->nobj)
  58                 if(otmp->olet == AMULET_SYM && !otmp->spe) {
  59                     if((u.ux != otmp->ox || u.uy != otmp->oy) &&
  60                        !m_at(otmp->ox, otmp->oy)) {
  61
  62                         /* teleport to it and pick it up */
  63                         mtmp->mx = otmp->ox;
  64                         mtmp->my = otmp->oy;
  65                         freeobj(otmp);
  66                         mpickobj(mtmp, otmp);
  67                         pmon(mtmp);
  68                         return(0);
  69                     }
  70                     goto hithim;
  71                 }
  72             return(0);                          /* we don't know where it is */
  73         }
  74 hithim:
  75         if(rn2(2)) {                            /* hit - perhaps steal */
  76
  77             /* if hit 1/20 chance of stealing amulet & vanish
  78                 - amulet is on level 26 again. */
  79             if(hitu(mtmp, d(mtmp->data->damn,mtmp->data->damd))
  80                 && !rn2(20) && stealamulet(mtmp))
  81                 return(0);
  82         }
  83         else
  84             inrange(mtmp);                      /* try magic */
  85         return(0);
  86 }
  87
  88 void
  89 inrange(struct monst *mtmp)
  90 {
  91         schar tx,ty;
  92
  93         /* do nothing if cancelled (but make '1' say something) */
  94         if(mtmp->data->mlet != '1' && mtmp->mcan)
  95                 return;
  96
  97         /* spit fire only when both in a room or both in a corridor */
  98         if(inroom(u.ux,u.uy) != inroom(mtmp->mx,mtmp->my)) return;
  99         tx = u.ux - mtmp->mx;
 100         ty = u.uy - mtmp->my;
 101         if((!tx && abs(ty) < BOLT_LIM) || (!ty && abs(tx) < BOLT_LIM)
 102             || (abs(tx) == abs(ty) && abs(tx) < BOLT_LIM)){
 103             switch(mtmp->data->mlet) {
 104             case 'D':
 105                 /* spit fire in the direction of @ (not nec. hitting) */
 106                 buzz(-1,mtmp->mx,mtmp->my,sgn(tx),sgn(ty));
 107                 break;
 108             case '1':
 109                 if(rn2(WIZSHOT)) break;
 110                 /* if you zapped wizard with wand of cancellation,
 111                 he has to shake off the effects before he can throw
 112                 spells successfully.  1/2 the time they fail anyway */
 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((struct permonst *)0, u.ux, u.uy);
 141                         break;
 142                     case 1:
 143                         pline("\"Destroy the thief, my pets!\"");
 144                         aggravate();    /* aggravate all the monsters */
 145                         /* fall into next case */
 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) done_in_by(mtmp);
 170         }
 171 }
 172
 173 static void
 174 aggravate(void)
 175 {
 176         struct monst *mtmp;
 177
 178         for(mtmp = fmon; mtmp; mtmp = mtmp->nmon) {
 179                 mtmp->msleep = 0;
 180                 if(mtmp->mfroz && !rn2(5))
 181                         mtmp->mfroz = 0;
 182         }
 183 }
 184
 185 static void
 186 clonewiz(struct monst *mtmp)
 187 {
 188         struct monst *mtmp2;
 189
 190         if((mtmp2 = makemon(PM_WIZARD, mtmp->mx, mtmp->my))) {
 191                 flags.no_of_wizards = 2;
 192                 unpmon(mtmp2);
 193                 mtmp2->mappearance = wizapp[rn2(sizeof(wizapp)-1)];
 194                 pmon(mtmp);
 195         }
 196 }