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 1.3 2006/08/21 19:45:32 pavalos 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 void 26 setworn(struct obj *obj, 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 void 54 setnotworn(struct obj *obj) 55 { 56 struct worn *wp; 57 58 for(wp = worn; wp->w_mask; wp++) 59 if(obj == *(wp->w_obj)) { 60 *(wp->w_obj) = 0; 61 obj->owornmask &= ~wp->w_mask; 62 } 63 if(uarm2 && !uarm) { 64 uarm = uarm2; 65 uarm2 = 0; 66 uarm->owornmask ^= (W_ARM | W_ARM2); 67 } 68 } 69