games/hack/hack.mkobj.c

   1 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
   2 /* hack.mkobj.c - version 1.0.3 */
   3 /* $FreeBSD: src/games/hack/hack.mkobj.c,v 1.5 1999/11/16 10:26:37 marcel Exp $ */
   4 /* $DragonFly: src/games/hack/hack.mkobj.c,v 1.3 2004/11/06 12:29:17 eirikn Exp $ */
   5
   6 #include "hack.h"
   7
   8 char mkobjstr[] = "))[[!!!!????%%%%/=**))[[!!!!????%%%%/=**(%";
   9 struct obj *mkobj(), *mksobj();
  10
  11 struct obj *
  12 mkobj_at(let,x,y)
  13 int let,x,y;
  14 {
  15         struct obj *otmp = mkobj(let);
  16         otmp->ox = x;
  17         otmp->oy = y;
  18         otmp->nobj = fobj;
  19         fobj = otmp;
  20         return(otmp);
  21 }
  22
  23 mksobj_at(otyp,x,y)
  24 int otyp,x,y;
  25 {
  26         struct obj *otmp = mksobj(otyp);
  27         otmp->ox = x;
  28         otmp->oy = y;
  29         otmp->nobj = fobj;
  30         fobj = otmp;
  31 }
  32
  33 struct obj *
  34 mkobj(let) {
  35         if(!let)
  36                 let = mkobjstr[rn2(sizeof(mkobjstr) - 1)];
  37         return(
  38             mksobj(
  39                 letter(let) ?
  40                     CORPSE + ((let > 'Z') ? (let-'a'+'Z'-'@'+1) : (let-'@'))
  41                 :   probtype(let)
  42             )
  43         );
  44 }
  45
  46
  47 struct obj zeroobj;
  48
  49 struct obj *
  50 mksobj(otyp)
  51 int otyp;
  52 {
  53         struct obj *otmp;
  54         char let = objects[otyp].oc_olet;
  55
  56         otmp = newobj(0);
  57         *otmp = zeroobj;
  58         otmp->age = moves;
  59         otmp->o_id = flags.ident++;
  60         otmp->quan = 1;
  61         otmp->olet = let;
  62         otmp->otyp = otyp;
  63         otmp->dknown = index("/=!?*", let) ? 0 : 1;
  64         switch(let) {
  65         case WEAPON_SYM:
  66                 otmp->quan = (otmp->otyp <= ROCK) ? rn1(6,6) : 1;
  67                 if(!rn2(11)) otmp->spe = rnd(3);
  68                 else if(!rn2(10)) {
  69                         otmp->cursed = 1;
  70                         otmp->spe = -rnd(3);
  71                 }
  72                 break;
  73         case FOOD_SYM:
  74                 if(otmp->otyp >= CORPSE) break;
  75 #ifdef NOT_YET_IMPLEMENTED
  76                 /* if tins are to be identified, need to adapt doname() etc */
  77                 if(otmp->otyp == TIN)
  78                         otmp->spe = rnd(...);
  79 #endif /* NOT_YET_IMPLEMENTED */
  80                 /* fall into next case */
  81         case GEM_SYM:
  82                 otmp->quan = rn2(6) ? 1 : 2;
  83         case TOOL_SYM:
  84         case CHAIN_SYM:
  85         case BALL_SYM:
  86         case ROCK_SYM:
  87         case POTION_SYM:
  88         case SCROLL_SYM:
  89         case AMULET_SYM:
  90                 break;
  91         case ARMOR_SYM:
  92                 if(!rn2(8)) otmp->cursed = 1;
  93                 if(!rn2(10)) otmp->spe = rnd(3);
  94                 else if(!rn2(9)) {
  95                         otmp->spe = -rnd(3);
  96                         otmp->cursed = 1;
  97                 }
  98                 break;
  99         case WAND_SYM:
 100                 if(otmp->otyp == WAN_WISHING) otmp->spe = 3; else
 101                 otmp->spe = rn1(5,
 102                         (objects[otmp->otyp].bits & NODIR) ? 11 : 4);
 103                 break;
 104         case RING_SYM:
 105                 if(objects[otmp->otyp].bits & SPEC) {
 106                         if(!rn2(3)) {
 107                                 otmp->cursed = 1;
 108                                 otmp->spe = -rnd(2);
 109                         } else otmp->spe = rnd(2);
 110                 } else if(otmp->otyp == RIN_TELEPORTATION ||
 111                           otmp->otyp == RIN_AGGRAVATE_MONSTER ||
 112                           otmp->otyp == RIN_HUNGER || !rn2(9))
 113                         otmp->cursed = 1;
 114                 break;
 115         default:
 116                 panic("impossible mkobj");
 117         }
 118         otmp->owt = weight(otmp);
 119         return(otmp);
 120 }
 121
 122 letter(c) {
 123         return(('@' <= c && c <= 'Z') || ('a' <= c && c <= 'z'));
 124 }
 125
 126 weight(obj)
 127 struct obj *obj;
 128 {
 129 int wt = objects[obj->otyp].oc_weight;
 130         return(wt ? wt*obj->quan : (obj->quan + 1)/2);
 131 }
 132
 133 mkgold(num,x,y)
 134 long num;
 135 {
 136         struct gold *gold;
 137         long amount = (num ? num : 1 + (rnd(dlevel+2) * rnd(30)));
 138
 139         if(gold = g_at(x,y))
 140                 gold->amount += amount;
 141         else {
 142                 gold = newgold();
 143                 gold->ngold = fgold;
 144                 gold->gx = x;
 145                 gold->gy = y;
 146                 gold->amount = amount;
 147                 fgold = gold;
 148                 /* do sth with display? */
 149         }
 150 }