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src/main/java/server/MapleSkillbookInformationProvider.java
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296
src/main/java/server/MapleSkillbookInformationProvider.java
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/*
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This file is part of the HeavenMS MapleStory Server
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Copyleft (L) 2016 - 2019 RonanLana
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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 server;
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import java.io.File;
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import java.io.IOException;
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import java.sql.Connection;
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import java.sql.PreparedStatement;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Map;
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import java.util.NoSuchElementException;
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import java.util.Scanner;
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import java.util.Set;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import client.MapleCharacter;
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import provider.MapleData;
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import provider.MapleDataProvider;
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import provider.MapleDataProviderFactory;
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import provider.MapleDataTool;
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import tools.DatabaseConnection;
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/**
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*
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* @author RonanLana
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*/
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public class MapleSkillbookInformationProvider {
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private final static MapleSkillbookInformationProvider instance = new MapleSkillbookInformationProvider();
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public static MapleSkillbookInformationProvider getInstance() {
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return instance;
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}
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protected static Map<Integer, SkillBookEntry> foundSkillbooks = new HashMap<>();
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public enum SkillBookEntry {
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UNAVAILABLE,
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QUEST,
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QUEST_BOOK,
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QUEST_REWARD,
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REACTOR,
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SCRIPT
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}
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private static String rootDirectory = ".";
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private static int skillbookMinItemid = 2280000;
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private static int skillbookMaxItemid = 2300000; // exclusively
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static {
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loadSkillbooks();
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}
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private static boolean is4thJobSkill(int itemid) {
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return itemid / 10000 % 10 == 2;
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}
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private static boolean isSkillBook(int itemid) {
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return itemid >= skillbookMinItemid && itemid < skillbookMaxItemid;
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}
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private static boolean isQuestBook(int itemid) {
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return itemid >= 4001107 && itemid <= 4001114 || itemid >= 4161015 && itemid <= 4161023;
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}
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private static int fetchQuestbook(MapleData checkData, String quest) {
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MapleData questStartData = checkData.getChildByPath(quest).getChildByPath("0");
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MapleData startReqItemData = questStartData.getChildByPath("item");
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if (startReqItemData != null) {
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for (MapleData itemData : startReqItemData.getChildren()) {
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int itemid = MapleDataTool.getInt("id", itemData, 0);
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if (isQuestBook(itemid)) {
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return itemid;
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}
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}
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}
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MapleData startReqQuestData = questStartData.getChildByPath("quest");
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if (startReqQuestData != null) {
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Set<Integer> reqQuests = new HashSet<>();
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for (MapleData questStatusData : startReqQuestData.getChildren()) {
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int reqQuest = MapleDataTool.getInt("id", questStatusData, 0);
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if (reqQuest > 0) {
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reqQuests.add(reqQuest);
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}
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}
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for (Integer reqQuest : reqQuests) {
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int book = fetchQuestbook(checkData, Integer.toString(reqQuest));
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if (book > -1) {
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return book;
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}
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}
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}
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return -1;
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}
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private static void fetchSkillbooksFromQuests() {
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MapleDataProvider questDataProvider = MapleDataProviderFactory.getDataProvider(new File(System.getProperty("wzpath") + "/" + "Quest.wz"));
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MapleData actData = questDataProvider.getData("Act.img");
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MapleData checkData = questDataProvider.getData("Check.img");
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for (MapleData questData : actData.getChildren()) {
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for (MapleData questStatusData : questData.getChildren()) {
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for (MapleData questNodeData : questStatusData.getChildren()) {
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String actNodeName = questNodeData.getName();
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if (actNodeName.contentEquals("item")) {
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for (MapleData questItemData : questNodeData.getChildren()) {
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int itemid = MapleDataTool.getInt("id", questItemData, 0);
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int itemcount = MapleDataTool.getInt("count", questItemData, 0);
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if (isSkillBook(itemid) && itemcount > 0) {
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int questbook = fetchQuestbook(checkData, questData.getName());
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if (questbook < 0) {
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foundSkillbooks.put(itemid, SkillBookEntry.QUEST);
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} else {
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foundSkillbooks.put(itemid, SkillBookEntry.QUEST_BOOK);
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}
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}
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}
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} else if (actNodeName.contentEquals("skill")) {
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for (MapleData questSkillData : questNodeData.getChildren()) {
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int skillid = MapleDataTool.getInt("id", questSkillData, 0);
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if (is4thJobSkill(skillid)) {
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// negative itemids are skill rewards
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int questbook = fetchQuestbook(checkData, questData.getName());
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if (questbook < 0) {
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foundSkillbooks.put(-skillid, SkillBookEntry.QUEST_REWARD);
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} else {
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foundSkillbooks.put(-skillid, SkillBookEntry.QUEST_BOOK);
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}
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}
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}
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}
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}
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}
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}
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}
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private static void fetchSkillbooksFromReactors() {
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Connection con = null;
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try {
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con = DatabaseConnection.getConnection();
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PreparedStatement ps = con.prepareStatement("SELECT itemid FROM reactordrops WHERE itemid >= ? AND itemid < ?;");
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ps.setInt(1, skillbookMinItemid);
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ps.setInt(2, skillbookMaxItemid);
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ResultSet rs = ps.executeQuery();
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if (rs.isBeforeFirst()) {
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while(rs.next()) {
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foundSkillbooks.put(rs.getInt("itemid"), SkillBookEntry.REACTOR);
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}
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}
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rs.close();
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ps.close();
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con.close();
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} catch (SQLException sqle) {
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sqle.printStackTrace();
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}
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}
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private static void listFiles(String directoryName, ArrayList<File> files) {
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File directory = new File(directoryName);
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// get all the files from a directory
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File[] fList = directory.listFiles();
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for (File file : fList) {
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if (file.isFile()) {
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files.add(file);
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} else if (file.isDirectory()) {
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listFiles(file.getAbsolutePath(), files);
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}
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}
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}
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private static List<File> listFilesFromDirectoryRecursively(String directory) {
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ArrayList<File> files = new ArrayList<>();
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listFiles(directory, files);
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return files;
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}
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private static void filterScriptDirectorySearchMatchingData(String path) {
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for (File file : listFilesFromDirectoryRecursively(rootDirectory + "/" + path)) {
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if (file.getName().endsWith(".js")) {
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fileSearchMatchingData(file);
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}
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}
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}
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private static Set<Integer> foundMatchingDataOnFile(String fileContent) {
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Set<Integer> matches = new HashSet<>(4);
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Matcher searchM = Pattern.compile("22(8|9)[0-9]{4}").matcher(fileContent);
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int idx = 0;
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while (searchM.find(idx)) {
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idx = searchM.end();
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matches.add(Integer.valueOf(fileContent.substring(searchM.start(), idx)));
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}
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return matches;
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}
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static String readFileToString(File file, String encoding) throws IOException {
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Scanner scanner = new Scanner(file, encoding);
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String text = "";
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try {
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try {
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text = scanner.useDelimiter("\\A").next();
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} finally {
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scanner.close();
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}
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} catch (NoSuchElementException e) {}
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return text;
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}
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private static void fileSearchMatchingData(File file) {
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try {
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String fileContent = readFileToString(file, "UTF-8");
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Set<Integer> books = foundMatchingDataOnFile(fileContent);
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for (Integer i : books) {
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foundSkillbooks.put(i, SkillBookEntry.SCRIPT);
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}
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} catch (IOException ioe) {
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System.out.println("Failed to read " + file.getName() + ".");
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ioe.printStackTrace();
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}
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}
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private static void fetchSkillbooksFromScripts() {
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filterScriptDirectorySearchMatchingData("scripts");
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}
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private static void loadSkillbooks() {
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fetchSkillbooksFromQuests();
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fetchSkillbooksFromReactors();
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fetchSkillbooksFromScripts();
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}
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public SkillBookEntry getSkillbookAvailability(int itemid) {
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SkillBookEntry sbe = foundSkillbooks.get(itemid);
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return sbe != null ? sbe : SkillBookEntry.UNAVAILABLE;
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}
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public List<Integer> getTeachableSkills(MapleCharacter chr) {
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List<Integer> list = new ArrayList<>();
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for (Integer book : foundSkillbooks.keySet()) {
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if (book >= 0) {
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continue;
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}
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int skillid = -book;
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if (skillid / 10000 == chr.getJob().getId()) {
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if (chr.getMasterLevel(skillid) == 0) {
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list.add(-skillid);
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}
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}
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}
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return list;
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}
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}
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