1 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */ 2 /* hack.worn.c - version 1.0.2 */ 3 /* $FreeBSD: src/games/hack/hack.worn.c,v 1.3 1999/11/16 02:57:14 billf Exp $ */ 4 5 #include "hack.h" 6 7 struct worn { 8 long w_mask; 9 struct obj **w_obj; 10 } worn[] = { 11 { W_ARM, &uarm }, 12 { W_ARM2, &uarm2 }, 13 { W_ARMH, &uarmh }, 14 { W_ARMS, &uarms }, 15 { W_ARMG, &uarmg }, 16 { W_RINGL, &uleft }, 17 { W_RINGR, &uright }, 18 { W_WEP, &uwep }, 19 { W_BALL, &uball }, 20 { W_CHAIN, &uchain }, 21 { 0, 0 } 22 }; 23 24 setworn(obj, mask) 25 struct obj *obj; 26 long mask; 27 { 28 struct worn *wp; 29 struct obj *oobj; 30 31 for(wp = worn; wp->w_mask; wp++) if(wp->w_mask & mask) { 32 oobj = *(wp->w_obj); 33 if(oobj && !(oobj->owornmask & wp->w_mask)) 34 impossible("Setworn: mask = %ld.", wp->w_mask); 35 if(oobj) oobj->owornmask &= ~wp->w_mask; 36 if(obj && oobj && wp->w_mask == W_ARM){ 37 if(uarm2) { 38 impossible("Setworn: uarm2 set?"); 39 } else 40 setworn(uarm, W_ARM2); 41 } 42 *(wp->w_obj) = obj; 43 if(obj) obj->owornmask |= wp->w_mask; 44 } 45 if(uarm2 && !uarm) { 46 uarm = uarm2; 47 uarm2 = 0; 48 uarm->owornmask ^= (W_ARM | W_ARM2); 49 } 50 } 51 52 /* called e.g. when obj is destroyed */ 53 setnotworn(obj) struct obj *obj; { 54 struct worn *wp; 55 56 for(wp = worn; wp->w_mask; wp++) 57 if(obj == *(wp->w_obj)) { 58 *(wp->w_obj) = 0; 59 obj->owornmask &= ~wp->w_mask; 60 } 61 if(uarm2 && !uarm) { 62 uarm = uarm2; 63 uarm2 = 0; 64 uarm->owornmask ^= (W_ARM | W_ARM2); 65 } 66 } 67