xref: /openbsd-src/games/hack/hack.wield.c (revision df930be708d50e9715f173caa26ffe1b7599b157)
1 /*
2  * Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985.
3  */
4 
5 #ifndef lint
6 static char rcsid[] = "$NetBSD: hack.wield.c,v 1.3 1995/03/23 08:32:06 cgd Exp $";
7 #endif /* not lint */
8 
9 #include	"hack.h"
10 extern struct obj zeroobj;
11 
12 setuwep(obj) register struct obj *obj; {
13 	setworn(obj, W_WEP);
14 }
15 
16 dowield()
17 {
18 	register struct obj *wep;
19 	register int res = 0;
20 
21 	multi = 0;
22 	if(!(wep = getobj("#-)", "wield"))) /* nothing */;
23 	else if(uwep == wep)
24 		pline("You are already wielding that!");
25 	else if(uwep && uwep->cursed)
26 		pline("The %s welded to your hand!",
27 			aobjnam(uwep, "are"));
28 	else if(wep == &zeroobj) {
29 		if(uwep == 0){
30 			pline("You are already empty handed.");
31 		} else {
32 			setuwep((struct obj *) 0);
33 			res++;
34 			pline("You are empty handed.");
35 		}
36 	} else if(uarms && wep->otyp == TWO_HANDED_SWORD)
37 	pline("You cannot wield a two-handed sword and wear a shield.");
38 	else if(wep->owornmask & (W_ARMOR | W_RING))
39 		pline("You cannot wield that!");
40 	else {
41 		setuwep(wep);
42 		res++;
43 		if(uwep->cursed)
44 		    pline("The %s %s to your hand!",
45 			aobjnam(uwep, "weld"),
46 			(uwep->quan == 1) ? "itself" : "themselves"); /* a3 */
47 		else prinv(uwep);
48 	}
49 	return(res);
50 }
51 
52 corrode_weapon(){
53 	if(!uwep || uwep->olet != WEAPON_SYM) return;	/* %% */
54 	if(uwep->rustfree)
55 		pline("Your %s not affected.", aobjnam(uwep, "are"));
56 	else {
57 		pline("Your %s!", aobjnam(uwep, "corrode"));
58 		uwep->spe--;
59 	}
60 }
61 
62 chwepon(otmp,amount)
63 register struct obj *otmp;
64 register amount;
65 {
66 register char *color = (amount < 0) ? "black" : "green";
67 register char *time;
68 	if(!uwep || uwep->olet != WEAPON_SYM) {
69 		strange_feeling(otmp,
70 			(amount > 0) ? "Your hands twitch."
71 				     : "Your hands itch.");
72 		return(0);
73 	}
74 
75 	if(uwep->otyp == WORM_TOOTH && amount > 0) {
76 		uwep->otyp = CRYSKNIFE;
77 		pline("Your weapon seems sharper now.");
78 		uwep->cursed = 0;
79 		return(1);
80 	}
81 
82 	if(uwep->otyp == CRYSKNIFE && amount < 0) {
83 		uwep->otyp = WORM_TOOTH;
84 		pline("Your weapon looks duller now.");
85 		return(1);
86 	}
87 
88 	/* there is a (soft) upper limit to uwep->spe */
89 	if(amount > 0 && uwep->spe > 5 && rn2(3)) {
90 	    pline("Your %s violently green for a while and then evaporate%s.",
91 		aobjnam(uwep, "glow"), plur(uwep->quan));
92 	    while(uwep)		/* let all of them disappear */
93 				/* note: uwep->quan = 1 is nogood if unpaid */
94 	        useup(uwep);
95 	    return(1);
96 	}
97 	if(!rn2(6)) amount *= 2;
98 	time = (amount*amount == 1) ? "moment" : "while";
99 	pline("Your %s %s for a %s.",
100 		aobjnam(uwep, "glow"), color, time);
101 	uwep->spe += amount;
102 	if(amount > 0) uwep->cursed = 0;
103 	return(1);
104 }
105