freebsd-dev/games/hack/hack.worn.c

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/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
/* hack.worn.c - version 1.0.2 */
1999-11-16 02:45:03 +00:00
/* $FreeBSD$ */
#include "hack.h"
struct worn {
long w_mask;
struct obj **w_obj;
} worn[] = {
{ W_ARM, &uarm },
{ W_ARM2, &uarm2 },
{ W_ARMH, &uarmh },
{ W_ARMS, &uarms },
{ W_ARMG, &uarmg },
{ W_RINGL, &uleft },
{ W_RINGR, &uright },
{ W_WEP, &uwep },
{ W_BALL, &uball },
{ W_CHAIN, &uchain },
{ 0, 0 }
};
setworn(obj, mask)
struct obj *obj;
long mask;
{
struct worn *wp;
struct obj *oobj;
for(wp = worn; wp->w_mask; wp++) if(wp->w_mask & mask) {
oobj = *(wp->w_obj);
if(oobj && !(oobj->owornmask & wp->w_mask))
impossible("Setworn: mask = %ld.", wp->w_mask);
if(oobj) oobj->owornmask &= ~wp->w_mask;
if(obj && oobj && wp->w_mask == W_ARM){
if(uarm2) {
impossible("Setworn: uarm2 set?");
} else
setworn(uarm, W_ARM2);
}
*(wp->w_obj) = obj;
if(obj) obj->owornmask |= wp->w_mask;
}
if(uarm2 && !uarm) {
uarm = uarm2;
uarm2 = 0;
uarm->owornmask ^= (W_ARM | W_ARM2);
}
}
/* called e.g. when obj is destroyed */
setnotworn(obj) struct obj *obj; {
struct worn *wp;
for(wp = worn; wp->w_mask; wp++)
if(obj == *(wp->w_obj)) {
*(wp->w_obj) = 0;
obj->owornmask &= ~wp->w_mask;
}
if(uarm2 && !uarm) {
uarm = uarm2;
uarm2 = 0;
uarm->owornmask ^= (W_ARM | W_ARM2);
}
}