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P0nk
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src/main/java/net/server/channel/handlers/ScrollHandler.java
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src/main/java/net/server/channel/handlers/ScrollHandler.java
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/*
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This file is part of the OdinMS Maple Story Server
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Copyright (C) 2008 Patrick Huy <patrick.huy@frz.cc>
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Matthias Butz <matze@odinms.de>
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Jan Christian Meyer <vimes@odinms.de>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as
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published by the Free Software Foundation version 3 as published by
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the Free Software Foundation. You may not use, modify or distribute
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this program under any other version of the GNU Affero General Public
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License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package net.server.channel.handlers;
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import client.MapleClient;
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import client.MapleCharacter;
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import client.Skill;
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import client.SkillFactory;
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import client.inventory.Equip;
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import client.inventory.Equip.ScrollResult;
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import client.inventory.Item;
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import client.inventory.MapleInventory;
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import client.inventory.MapleInventoryType;
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import client.inventory.ModifyInventory;
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import constants.inventory.ItemConstants;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Map;
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import net.AbstractMaplePacketHandler;
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import client.inventory.manipulator.MapleInventoryManipulator;
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import server.MapleItemInformationProvider;
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import tools.MaplePacketCreator;
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import tools.data.input.SeekableLittleEndianAccessor;
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/**
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* @author Matze
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* @author Frz
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*/
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public final class ScrollHandler extends AbstractMaplePacketHandler {
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@Override
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public final void handlePacket(SeekableLittleEndianAccessor slea, MapleClient c) {
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if (c.tryacquireClient()) {
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try {
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slea.readInt(); // whatever...
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short slot = slea.readShort();
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short dst = slea.readShort();
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byte ws = (byte) slea.readShort();
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boolean whiteScroll = false; // white scroll being used?
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boolean legendarySpirit = false; // legendary spirit skill
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if ((ws & 2) == 2) {
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whiteScroll = true;
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}
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MapleItemInformationProvider ii = MapleItemInformationProvider.getInstance();
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MapleCharacter chr = c.getPlayer();
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Equip toScroll = (Equip) chr.getInventory(MapleInventoryType.EQUIPPED).getItem(dst);
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Skill LegendarySpirit = SkillFactory.getSkill(1003);
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if (chr.getSkillLevel(LegendarySpirit) > 0 && dst >= 0) {
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legendarySpirit = true;
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toScroll = (Equip) chr.getInventory(MapleInventoryType.EQUIP).getItem(dst);
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}
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byte oldLevel = toScroll.getLevel();
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byte oldSlots = toScroll.getUpgradeSlots();
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MapleInventory useInventory = chr.getInventory(MapleInventoryType.USE);
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Item scroll = useInventory.getItem(slot);
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Item wscroll = null;
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if (ItemConstants.isCleanSlate(scroll.getItemId())) {
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Map<String, Integer> eqStats = ii.getEquipStats(toScroll.getItemId()); // clean slate issue found thanks to Masterrulax
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if (eqStats == null || eqStats.get("tuc") == 0) {
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announceCannotScroll(c, legendarySpirit);
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return;
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}
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} else if (!ItemConstants.isModifierScroll(scroll.getItemId()) && ((Equip) toScroll).getUpgradeSlots() < 1) {
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announceCannotScroll(c, legendarySpirit); // thanks onechord for noticing zero upgrade slots freezing Legendary Scroll UI
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return;
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}
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List<Integer> scrollReqs = ii.getScrollReqs(scroll.getItemId());
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if (scrollReqs.size() > 0 && !scrollReqs.contains(toScroll.getItemId())) {
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announceCannotScroll(c, legendarySpirit);
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return;
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}
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if (whiteScroll) {
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wscroll = useInventory.findById(2340000);
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if (wscroll == null) {
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whiteScroll = false;
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}
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}
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if (!ItemConstants.isChaosScroll(scroll.getItemId()) && !ItemConstants.isCleanSlate(scroll.getItemId())) {
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if (!canScroll(scroll.getItemId(), toScroll.getItemId())) {
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announceCannotScroll(c, legendarySpirit);
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return;
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}
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}
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if (ItemConstants.isCleanSlate(scroll.getItemId()) && !ii.canUseCleanSlate(toScroll)) {
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announceCannotScroll(c, legendarySpirit);
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return;
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}
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Equip scrolled = (Equip) ii.scrollEquipWithId(toScroll, scroll.getItemId(), whiteScroll, 0, chr.isGM());
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ScrollResult scrollSuccess = Equip.ScrollResult.FAIL; // fail
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if (scrolled == null) {
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scrollSuccess = Equip.ScrollResult.CURSE;
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} else if (scrolled.getLevel() > oldLevel || (ItemConstants.isCleanSlate(scroll.getItemId()) && scrolled.getUpgradeSlots() == oldSlots + 1) || ItemConstants.isFlagModifier(scroll.getItemId(), scrolled.getFlag())) {
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scrollSuccess = Equip.ScrollResult.SUCCESS;
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}
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useInventory.lockInventory();
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try {
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if (scroll.getQuantity() < 1) {
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announceCannotScroll(c, legendarySpirit);
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return;
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}
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if (whiteScroll && !ItemConstants.isCleanSlate(scroll.getItemId())) {
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if (wscroll.getQuantity() < 1) {
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announceCannotScroll(c, legendarySpirit);
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return;
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}
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MapleInventoryManipulator.removeFromSlot(c, MapleInventoryType.USE, wscroll.getPosition(), (short) 1, false, false);
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}
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MapleInventoryManipulator.removeFromSlot(c, MapleInventoryType.USE, scroll.getPosition(), (short) 1, false);
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} finally {
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useInventory.unlockInventory();
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}
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final List<ModifyInventory> mods = new ArrayList<>();
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if (scrollSuccess == Equip.ScrollResult.CURSE) {
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if(!ItemConstants.isWeddingRing(toScroll.getItemId())) {
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mods.add(new ModifyInventory(3, toScroll));
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if (dst < 0) {
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MapleInventory inv = chr.getInventory(MapleInventoryType.EQUIPPED);
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inv.lockInventory();
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try {
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chr.unequippedItem(toScroll);
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inv.removeItem(toScroll.getPosition());
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} finally {
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inv.unlockInventory();
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}
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} else {
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MapleInventory inv = chr.getInventory(MapleInventoryType.EQUIP);
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inv.lockInventory();
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try {
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inv.removeItem(toScroll.getPosition());
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} finally {
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inv.unlockInventory();
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}
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}
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} else {
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scrolled = toScroll;
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scrollSuccess = Equip.ScrollResult.FAIL;
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mods.add(new ModifyInventory(3, scrolled));
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mods.add(new ModifyInventory(0, scrolled));
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}
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} else {
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mods.add(new ModifyInventory(3, scrolled));
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mods.add(new ModifyInventory(0, scrolled));
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}
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c.announce(MaplePacketCreator.modifyInventory(true, mods));
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chr.getMap().broadcastMessage(MaplePacketCreator.getScrollEffect(chr.getId(), scrollSuccess, legendarySpirit, whiteScroll));
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if (dst < 0 && (scrollSuccess == Equip.ScrollResult.SUCCESS || scrollSuccess == Equip.ScrollResult.CURSE)) {
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chr.equipChanged();
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}
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} finally {
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c.releaseClient();
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}
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}
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}
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private static void announceCannotScroll(MapleClient c, boolean legendarySpirit) {
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if (legendarySpirit) {
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c.announce(MaplePacketCreator.getScrollEffect(c.getPlayer().getId(), Equip.ScrollResult.FAIL, false, false));
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} else {
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c.announce(MaplePacketCreator.getInventoryFull());
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}
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}
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private static boolean canScroll(int scrollid, int itemid) {
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int sid = scrollid / 100;
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switch(sid) {
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case 20492: //scroll for accessory (pendant, belt, ring)
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return canScroll(2041100, itemid) || canScroll(2041200, itemid) || canScroll(2041300, itemid);
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default:
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return (scrollid / 100) % 100 == (itemid / 10000) % 100;
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}
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}
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}
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