Source:Hack 1.0/hack.worn.c

Below is the full text to hack.worn.c from the source code of Hack 1.0. To link to a particular line, write [[Hack 1.0/hack.worn.c#line123]], for example.

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1.    /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1984. */
2.    
3.    #include "hack.h"
4.    
5.    struct worn {
6.    	long w_mask;
7.    	struct obj **w_obj;
8.    } worn[] = {
9.    	{ W_ARM, &uarm },
10.   	{ W_ARM2, &uarm2 },
11.   	{ W_ARMH, &uarmh },
12.   	{ W_ARMS, &uarms },
13.   	{ W_ARMG, &uarmg },
14.   	{ W_RINGL, &uleft },
15.   	{ W_RINGR, &uright },
16.   	{ W_WEP, &uwep },
17.   	{ W_BALL, &uball },
18.   	{ W_CHAIN, &uchain },
19.   	{ 0, 0 }
20.   };
21.   
22.   setworn(obj, mask)
23.   register struct obj *obj;
24.   long mask;
25.   {
26.   	register struct worn *wp;
27.   	register struct obj *oobj;
28.   
29.   	for(wp = worn; wp->w_mask; wp++) if(wp->w_mask & mask) {
30.   		oobj = *(wp->w_obj);
31.   		if(oobj && !(oobj->owornmask & wp->w_mask)){
32.   			pline("Setworn: mask = %d.", wp->w_mask);
33.   			impossible();
34.   		}
35.   		if(oobj) oobj->owornmask &= ~wp->w_mask;
36.   		if(obj && oobj && wp->w_mask == W_ARM){
37.   			if(uarm2) {
38.   				pline("Setworn: uarm2 set?");
39.   				impossible();
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) register struct obj *obj; {
55.   	register 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.   }