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 1.4 2006/08/21 19:45:32 pavalos Exp $ */
   5
   6 #include "hack.h"
   7
   8 char mkobjstr[] = "))[[!!!!????%%%%/=**))[[!!!!????%%%%/=**(%";
   9
  10 struct obj *
  11 mkobj_at(int let, int x, int y)
  12 {
  13         struct obj *otmp = mkobj(let);
  14         otmp->ox = x;
  15         otmp->oy = y;
  16         otmp->nobj = fobj;
  17         fobj = otmp;
  18         return(otmp);
  19 }
  20
  21 void
  22 mksobj_at(int otyp, int x, int y)
  23 {
  24         struct obj *otmp = mksobj(otyp);
  25         otmp->ox = x;
  26         otmp->oy = y;
  27         otmp->nobj = fobj;
  28         fobj = otmp;
  29 }
  30
  31 struct obj *
  32 mkobj(int let)
  33 {
  34         if(!let)
  35                 let = mkobjstr[rn2(sizeof(mkobjstr) - 1)];
  36         return(
  37             mksobj(
  38                 letter(let) ?
  39                     CORPSE + ((let > 'Z') ? (let-'a'+'Z'-'@'+1) : (let-'@'))
  40                 :   probtype(let)
  41             )
  42         );
  43 }
  44
  45
  46 struct obj zeroobj;
  47
  48 struct obj *
  49 mksobj(int otyp)
  50 {
  51         struct obj *otmp;
  52         char let = objects[otyp].oc_olet;
  53
  54         otmp = newobj(0);
  55         *otmp = zeroobj;
  56         otmp->age = moves;
  57         otmp->o_id = flags.ident++;
  58         otmp->quan = 1;
  59         otmp->olet = let;
  60         otmp->otyp = otyp;
  61         otmp->dknown = index("/=!?*", let) ? 0 : 1;
  62         switch(let) {
  63         case WEAPON_SYM:
  64                 otmp->quan = (otmp->otyp <= ROCK) ? rn1(6,6) : 1;
  65                 if(!rn2(11)) otmp->spe = rnd(3);
  66                 else if(!rn2(10)) {
  67                         otmp->cursed = 1;
  68                         otmp->spe = -rnd(3);
  69                 }
  70                 break;
  71         case FOOD_SYM:
  72                 if(otmp->otyp >= CORPSE) break;
  73 #ifdef NOT_YET_IMPLEMENTED
  74                 /* if tins are to be identified, need to adapt doname() etc */
  75                 if(otmp->otyp == TIN)
  76                         otmp->spe = rnd(...);
  77 #endif /* NOT_YET_IMPLEMENTED */
  78                 /* fall into next case */
  79         case GEM_SYM:
  80                 otmp->quan = rn2(6) ? 1 : 2;
  81         case TOOL_SYM:
  82         case CHAIN_SYM:
  83         case BALL_SYM:
  84         case ROCK_SYM:
  85         case POTION_SYM:
  86         case SCROLL_SYM:
  87         case AMULET_SYM:
  88                 break;
  89         case ARMOR_SYM:
  90                 if(!rn2(8)) otmp->cursed = 1;
  91                 if(!rn2(10)) otmp->spe = rnd(3);
  92                 else if(!rn2(9)) {
  93                         otmp->spe = -rnd(3);
  94                         otmp->cursed = 1;
  95                 }
  96                 break;
  97         case WAND_SYM:
  98                 if(otmp->otyp == WAN_WISHING) otmp->spe = 3; else
  99                 otmp->spe = rn1(5,
 100                         (objects[otmp->otyp].bits & NODIR) ? 11 : 4);
 101                 break;
 102         case RING_SYM:
 103                 if(objects[otmp->otyp].bits & SPEC) {
 104                         if(!rn2(3)) {
 105                                 otmp->cursed = 1;
 106                                 otmp->spe = -rnd(2);
 107                         } else otmp->spe = rnd(2);
 108                 } else if(otmp->otyp == RIN_TELEPORTATION ||
 109                           otmp->otyp == RIN_AGGRAVATE_MONSTER ||
 110                           otmp->otyp == RIN_HUNGER || !rn2(9))
 111                         otmp->cursed = 1;
 112                 break;
 113         default:
 114                 panic("impossible mkobj");
 115         }
 116         otmp->owt = weight(otmp);
 117         return(otmp);
 118 }
 119
 120 bool
 121 letter(char c)
 122 {
 123         return(('@' <= c && c <= 'Z') || ('a' <= c && c <= 'z'));
 124 }
 125
 126 int
 127 weight(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 void
 134 mkgold(long num, int x, int y)
 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 }