1/* $NetBSD: hack.wield.c,v 1.7 2009/06/07 18:30:39 dholland 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 <sys/cdefs.h> 65#ifndef lint 66__RCSID("$NetBSD: hack.wield.c,v 1.7 2009/06/07 18:30:39 dholland Exp $"); 67#endif /* not lint */ 68 69#include "hack.h" 70#include "extern.h" 71 72void 73setuwep(struct obj *obj) 74{ 75 setworn(obj, W_WEP); 76} 77 78int 79dowield(void) 80{ 81 struct obj *wep; 82 int res = 0; 83 84 multi = 0; 85 if (!(wep = getobj("#-)", "wield"))) /* nothing */ 86 ; 87 else if (uwep == wep) 88 pline("You are already wielding that!"); 89 else if (uwep && uwep->cursed) 90 pline("The %s welded to your hand!", 91 aobjnam(uwep, "are")); 92 else if (wep == &zeroobj) { 93 if (uwep == 0) { 94 pline("You are already empty handed."); 95 } else { 96 setuwep((struct obj *) 0); 97 res++; 98 pline("You are empty handed."); 99 } 100 } else if (uarms && wep->otyp == TWO_HANDED_SWORD) 101 pline("You cannot wield a two-handed sword and wear a shield."); 102 else if (wep->owornmask & (W_ARMOR | W_RING)) 103 pline("You cannot wield that!"); 104 else { 105 setuwep(wep); 106 res++; 107 if (uwep->cursed) 108 pline("The %s %s to your hand!", 109 aobjnam(uwep, "weld"), 110 (uwep->quan == 1) ? "itself" : "themselves"); /* a3 */ 111 else 112 prinv(uwep); 113 } 114 return (res); 115} 116 117void 118corrode_weapon(void) 119{ 120 if (!uwep || uwep->olet != WEAPON_SYM) 121 return; /* %% */ 122 if (uwep->rustfree) 123 pline("Your %s not affected.", aobjnam(uwep, "are")); 124 else { 125 pline("Your %s!", aobjnam(uwep, "corrode")); 126 uwep->spe--; 127 } 128} 129 130int 131chwepon(struct obj *otmp, int amount) 132{ 133 const char *color = (amount < 0) ? "black" : "green"; 134 const char *stime; 135 if (!uwep || uwep->olet != WEAPON_SYM) { 136 strange_feeling(otmp, 137 (amount > 0) ? "Your hands twitch." 138 : "Your hands itch."); 139 return (0); 140 } 141 if (uwep->otyp == WORM_TOOTH && amount > 0) { 142 uwep->otyp = CRYSKNIFE; 143 pline("Your weapon seems sharper now."); 144 uwep->cursed = 0; 145 return (1); 146 } 147 if (uwep->otyp == CRYSKNIFE && amount < 0) { 148 uwep->otyp = WORM_TOOTH; 149 pline("Your weapon looks duller now."); 150 return (1); 151 } 152 /* there is a (soft) upper limit to uwep->spe */ 153 if (amount > 0 && uwep->spe > 5 && rn2(3)) { 154 pline("Your %s violently green for a while and then evaporate%s.", 155 aobjnam(uwep, "glow"), plur(uwep->quan)); 156 while (uwep) /* let all of them disappear */ 157 /* note: uwep->quan = 1 is nogood if unpaid */ 158 useup(uwep); 159 return (1); 160 } 161 if (!rn2(6)) 162 amount *= 2; 163 stime = (amount * amount == 1) ? "moment" : "while"; 164 pline("Your %s %s for a %s.", 165 aobjnam(uwep, "glow"), color, stime); 166 uwep->spe += amount; 167 if (amount > 0) 168 uwep->cursed = 0; 169 return (1); 170} 171