xref: /dragonfly/games/hack/hack.wield.c (revision 4318c66e)
1 /*	$NetBSD: hack.wield.c,v 1.8 2011/07/02 02:09:08 mrg Exp $	*/
2 
3 /*
4  * Copyright (c) 1985, Stichting Centrum voor Wiskunde en Informatica,
5  * Amsterdam
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions are
10  * met:
11  *
12  * - Redistributions of source code must retain the above copyright notice,
13  * this list of conditions and the following disclaimer.
14  *
15  * - Redistributions in binary form must reproduce the above copyright
16  * notice, this list of conditions and the following disclaimer in the
17  * documentation and/or other materials provided with the distribution.
18  *
19  * - Neither the name of the Stichting Centrum voor Wiskunde en
20  * Informatica, nor the names of its contributors may be used to endorse or
21  * promote products derived from this software without specific prior
22  * written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
25  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
26  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
27  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
28  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
29  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
30  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
31  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
32  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
33  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
34  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35  */
36 
37 /*
38  * Copyright (c) 1982 Jay Fenlason <hack@gnu.org>
39  * All rights reserved.
40  *
41  * Redistribution and use in source and binary forms, with or without
42  * modification, are permitted provided that the following conditions
43  * are met:
44  * 1. Redistributions of source code must retain the above copyright
45  *    notice, this list of conditions and the following disclaimer.
46  * 2. Redistributions in binary form must reproduce the above copyright
47  *    notice, this list of conditions and the following disclaimer in the
48  *    documentation and/or other materials provided with the distribution.
49  * 3. The name of the author may not be used to endorse or promote products
50  *    derived from this software without specific prior written permission.
51  *
52  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
53  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
54  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
55  * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
56  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
57  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
58  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
59  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
60  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
61  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
62  */
63 
64 #include "hack.h"
65 #include "extern.h"
66 
67 void
setuwep(struct obj * obj)68 setuwep(struct obj *obj)
69 {
70 	setworn(obj, W_WEP);
71 }
72 
73 int
dowield(void)74 dowield(void)
75 {
76 	struct obj     *wep;
77 	int             res = 0;
78 
79 	multi = 0;
80 	if (!(wep = getobj("#-)", "wield")))	/* nothing */
81 		;
82 	else if (uwep == wep)
83 		pline("You are already wielding that!");
84 	else if (uwep && uwep->cursed)
85 		pline("The %s welded to your hand!",
86 		      aobjnam(uwep, "are"));
87 	else if (wep == &zeroobj) {
88 		if (uwep == 0) {
89 			pline("You are already empty handed.");
90 		} else {
91 			setuwep((struct obj *) 0);
92 			res++;
93 			pline("You are empty handed.");
94 		}
95 	} else if (uarms && wep->otyp == TWO_HANDED_SWORD)
96 		pline("You cannot wield a two-handed sword and wear a shield.");
97 	else if (wep->owornmask & (W_ARMOR | W_RING))
98 		pline("You cannot wield that!");
99 	else {
100 		setuwep(wep);
101 		res++;
102 		if (uwep->cursed)
103 			pline("The %s %s to your hand!",
104 			      aobjnam(uwep, "weld"),
105 			      (uwep->quan == 1) ? "itself" : "themselves");	/* a3 */
106 		else
107 			prinv(uwep);
108 	}
109 	return (res);
110 }
111 
112 void
corrode_weapon(void)113 corrode_weapon(void)
114 {
115 	if (!uwep || uwep->olet != WEAPON_SYM)
116 		return;		/* %% */
117 	if (uwep->rustfree)
118 		pline("Your %s not affected.", aobjnam(uwep, "are"));
119 	else {
120 		pline("Your %s!", aobjnam(uwep, "corrode"));
121 		uwep->spe--;
122 	}
123 }
124 
125 int
chwepon(struct obj * otmp,int amount)126 chwepon(struct obj *otmp, int amount)
127 {
128 	const char *color = (amount < 0) ? "black" : "green";
129 	const char *stime;
130 	if (!uwep || uwep->olet != WEAPON_SYM) {
131 		strange_feeling(otmp,
132 				(amount > 0) ? "Your hands twitch."
133 				: "Your hands itch.");
134 		return (0);
135 	}
136 	if (uwep->otyp == WORM_TOOTH && amount > 0) {
137 		uwep->otyp = CRYSKNIFE;
138 		pline("Your weapon seems sharper now.");
139 		uwep->cursed = 0;
140 		return (1);
141 	}
142 	if (uwep->otyp == CRYSKNIFE && amount < 0) {
143 		uwep->otyp = WORM_TOOTH;
144 		pline("Your weapon looks duller now.");
145 		return (1);
146 	}
147 	/* there is a (soft) upper limit to uwep->spe */
148 	if (amount > 0 && uwep->spe > 5 && rn2(3)) {
149 		pline("Your %s violently green for a while and then evaporate%s.",
150 		      aobjnam(uwep, "glow"), plur(uwep->quan));
151 		while (uwep)	/* let all of them disappear */
152 			/* note: uwep->quan = 1 is nogood if unpaid */
153 			useup(uwep);
154 		return (1);
155 	}
156 	if (!rn2(6))
157 		amount *= 2;
158 	stime = (amount * amount == 1) ? "moment" : "while";
159 	pline("Your %s %s for a %s.",
160 	      aobjnam(uwep, "glow"), color, stime);
161 	uwep->spe += amount;
162 	if (amount > 0)
163 		uwep->cursed = 0;
164 	return (1);
165 }
166