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 /* $DragonFly: src/games/hack/hack.worn.c,v 1.2 2003/06/17 04:25:24 dillon Exp $ */ 5 6 #include "hack.h" 7 8 struct worn { 9 long w_mask; 10 struct obj **w_obj; 11 } worn[] = { 12 { W_ARM, &uarm }, 13 { W_ARM2, &uarm2 }, 14 { W_ARMH, &uarmh }, 15 { W_ARMS, &uarms }, 16 { W_ARMG, &uarmg }, 17 { W_RINGL, &uleft }, 18 { W_RINGR, &uright }, 19 { W_WEP, &uwep }, 20 { W_BALL, &uball }, 21 { W_CHAIN, &uchain }, 22 { 0, 0 } 23 }; 24 25 setworn(obj, mask) 26 struct obj *obj; 27 long mask; 28 { 29 struct worn *wp; 30 struct obj *oobj; 31 32 for(wp = worn; wp->w_mask; wp++) if(wp->w_mask & mask) { 33 oobj = *(wp->w_obj); 34 if(oobj && !(oobj->owornmask & wp->w_mask)) 35 impossible("Setworn: mask = %ld.", wp->w_mask); 36 if(oobj) oobj->owornmask &= ~wp->w_mask; 37 if(obj && oobj && wp->w_mask == W_ARM){ 38 if(uarm2) { 39 impossible("Setworn: uarm2 set?"); 40 } else 41 setworn(uarm, W_ARM2); 42 } 43 *(wp->w_obj) = obj; 44 if(obj) obj->owornmask |= wp->w_mask; 45 } 46 if(uarm2 && !uarm) { 47 uarm = uarm2; 48 uarm2 = 0; 49 uarm->owornmask ^= (W_ARM | W_ARM2); 50 } 51 } 52 53 /* called e.g. when obj is destroyed */ 54 setnotworn(obj) struct obj *obj; { 55 struct worn *wp; 56 57 for(wp = worn; wp->w_mask; wp++) 58 if(obj == *(wp->w_obj)) { 59 *(wp->w_obj) = 0; 60 obj->owornmask &= ~wp->w_mask; 61 } 62 if(uarm2 && !uarm) { 63 uarm = uarm2; 64 uarm2 = 0; 65 uarm->owornmask ^= (W_ARM | W_ARM2); 66 } 67 } 68