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
  15         otmp->ox = x;
  16         otmp->oy = y;
  17         otmp->nobj = fobj;
  18         fobj = otmp;
  19         return (otmp);
  20 }
  21
  22 void
  23 mksobj_at(int otyp, int x, int y)
  24 {
  25         struct obj *otmp = mksobj(otyp);
  26
  27         otmp->ox = x;
  28         otmp->oy = y;
  29         otmp->nobj = fobj;
  30         fobj = otmp;
  31 }
  32
  33 struct obj *
  34 mkobj(int let)
  35 {
  36         if (!let)
  37                 let = mkobjstr[rn2(sizeof(mkobjstr) - 1)];
  38         return (
  39                 mksobj(
  40                        letter(let) ?
  41                        CORPSE +
  42                        ((let > 'Z') ? (let - 'a' + 'Z' - '@' +
  43                                        1) : (let - '@'))
  44                        :   probtype(let)
  45                        )
  46                 );
  47 }
  48
  49 struct obj zeroobj;
  50
  51 struct obj *
  52 mksobj(int otyp)
  53 {
  54         struct obj *otmp;
  55         char let = objects[otyp].oc_olet;
  56
  57         otmp = newobj(0);
  58         *otmp = zeroobj;
  59         otmp->age = moves;
  60         otmp->o_id = flags.ident++;
  61         otmp->quan = 1;
  62         otmp->olet = let;
  63         otmp->otyp = otyp;
  64         otmp->dknown = strchr("/=!?*", let) ? 0 : 1;
  65         switch (let) {
  66         case WEAPON_SYM:
  67                 otmp->quan = (otmp->otyp <= ROCK) ? rn1(6, 6) : 1;
  68                 if (!rn2(11))
  69                         otmp->spe = rnd(3);
  70                 else if (!rn2(10)) {
  71                         otmp->cursed = 1;
  72                         otmp->spe = -rnd(3);
  73                 }
  74                 break;
  75         case FOOD_SYM:
  76                 if (otmp->otyp >= CORPSE)
  77                         break;
  78 #ifdef NOT_YET_IMPLEMENTED
  79                 /* if tins are to be identified, need to adapt doname() etc */
  80                 if (otmp->otyp == TIN)
  81                         otmp->spe = rnd(...);
  82 #endif /* NOT_YET_IMPLEMENTED */
  83         /* fall into next case */
  84         case GEM_SYM:
  85                 otmp->quan = rn2(6) ? 1 : 2;
  86         case TOOL_SYM:
  87         case CHAIN_SYM:
  88         case BALL_SYM:
  89         case ROCK_SYM:
  90         case POTION_SYM:
  91         case SCROLL_SYM:
  92         case AMULET_SYM:
  93                 break;
  94         case ARMOR_SYM:
  95                 if (!rn2(8))
  96                         otmp->cursed = 1;
  97                 if (!rn2(10))
  98                         otmp->spe = rnd(3);
  99                 else if (!rn2(9)) {
 100                         otmp->spe = -rnd(3);
 101                         otmp->cursed = 1;
 102                 }
 103                 break;
 104         case WAND_SYM:
 105                 if (otmp->otyp == WAN_WISHING)
 106                         otmp->spe = 3;
 107                 else
 108                         otmp->spe = rn1(5,
 109                             (objects[otmp->otyp].bits & NODIR) ? 11 : 4);
 110                 break;
 111         case RING_SYM:
 112                 if (objects[otmp->otyp].bits & SPEC) {
 113                         if (!rn2(3)) {
 114                                 otmp->cursed = 1;
 115                                 otmp->spe = -rnd(2);
 116                         } else
 117                                 otmp->spe = rnd(2);
 118                 } else if (otmp->otyp == RIN_TELEPORTATION ||
 119                            otmp->otyp == RIN_AGGRAVATE_MONSTER ||
 120                            otmp->otyp == RIN_HUNGER || !rn2(9))
 121                         otmp->cursed = 1;
 122                 break;
 123         default:
 124                 panic("impossible mkobj");
 125         }
 126         otmp->owt = weight(otmp);
 127         return (otmp);
 128 }
 129
 130 bool
 131 letter(char c)
 132 {
 133         return (('@' <= c && c <= 'Z') || ('a' <= c && c <= 'z'));
 134 }
 135
 136 int
 137 weight(struct obj *obj)
 138 {
 139         int wt = objects[obj->otyp].oc_weight;
 140         return (wt ? wt * obj->quan : (obj->quan + 1) / 2);
 141 }
 142
 143 void
 144 mkgold(long num, int x, int y)
 145 {
 146         struct gold *gold;
 147         long amount = (num ? num : 1 + (rnd(dlevel + 2) * rnd(30)));
 148
 149         if ((gold = g_at(x, y)) != NULL)
 150                 gold->amount += amount;
 151         else {
 152                 gold = newgold();
 153                 gold->ngold = fgold;
 154                 gold->gx = x;
 155                 gold->gy = y;
 156                 gold->amount = amount;
 157                 fgold = gold;
 158                 /* do sth with display? */
 159         }
 160 }