xref: /openbsd/games/hack/hack.wield.c (revision aed906e4)
1 /*	$OpenBSD: hack.wield.c,v 1.7 2016/01/09 18:33:15 mestre 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 
66 extern struct obj zeroobj;
67 
68 void
setuwep(struct obj * obj)69 setuwep(struct obj *obj)
70 {
71 	setworn(obj, W_WEP);
72 }
73 
74 int
dowield(void)75 dowield(void)
76 {
77 	struct obj *wep;
78 	int res = 0;
79 
80 	multi = 0;
81 	if(!(wep = getobj("#-)", "wield"))) /* nothing */;
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 prinv(uwep);
107 	}
108 	return(res);
109 }
110 
111 void
corrode_weapon(void)112 corrode_weapon(void)
113 {
114 	if(!uwep || uwep->olet != WEAPON_SYM) return;	/* %% */
115 	if(uwep->rustfree)
116 		pline("Your %s not affected.", aobjnam(uwep, "are"));
117 	else {
118 		pline("Your %s!", aobjnam(uwep, "corrode"));
119 		uwep->spe--;
120 	}
121 }
122 
123 int
chwepon(struct obj * otmp,int amount)124 chwepon(struct obj *otmp, int amount)
125 {
126 	char *color = (amount < 0) ? "black" : "green";
127 	char *time;
128 
129 	if(!uwep || uwep->olet != WEAPON_SYM) {
130 		strange_feeling(otmp,
131 			(amount > 0) ? "Your hands twitch."
132 				     : "Your hands itch.");
133 		return(0);
134 	}
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 
143 	if(uwep->otyp == CRYSKNIFE && amount < 0) {
144 		uwep->otyp = WORM_TOOTH;
145 		pline("Your weapon looks duller now.");
146 		return(1);
147 	}
148 
149 	/* there is a (soft) upper limit to uwep->spe */
150 	if(amount > 0 && uwep->spe > 5 && rn2(3)) {
151 	    pline("Your %s violently green for a while and then evaporate%s.",
152 		aobjnam(uwep, "glow"), plur(uwep->quan));
153 	    while(uwep)		/* let all of them disappear */
154 				/* note: uwep->quan = 1 is nogood if unpaid */
155 		useup(uwep);
156 	    return(1);
157 	}
158 	if(!rn2(6)) amount *= 2;
159 	time = (amount*amount == 1) ? "moment" : "while";
160 	pline("Your %s %s for a %s.",
161 		aobjnam(uwep, "glow"), color, time);
162 	uwep->spe += amount;
163 	if(amount > 0) uwep->cursed = 0;
164 	return(1);
165 }
166