Source:NetHack 2.3e/worn.c

Below is the full text to worn.c from the source code of NetHack 2.3e.

Warning! This is the source code from an old release. For newer releases, see Source code

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1.    /*	SCCS Id: @(#)worn.c	2.3	88/01/21
2.    /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
3.    
4.    #include "hack.h"
5.    
6.    struct worn {
7.    	long w_mask;
8.    	struct obj **w_obj;
9.    } worn[] = {
10.   	{ W_ARM, &uarm },
11.   	{ W_ARM2, &uarm2 },
12.   	{ W_ARMH, &uarmh },
13.   	{ W_ARMS, &uarms },
14.   	{ W_ARMG, &uarmg },
15.   	{ W_ARMU, &uarmu },
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.   register struct obj *obj;
26.   long mask;
27.   {
28.   	register struct worn *wp;
29.   	register 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) register struct obj *obj; {
54.   	register 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.   }