129 lines
4.8 KiB
Java
129 lines
4.8 KiB
Java
package tools.mapletools;
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import server.life.MapleMonsterStats;
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import tools.Pair;
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import java.io.File;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.nio.charset.StandardCharsets;
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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.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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/**
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* @author RonanLana
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* <p>
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* This application traces missing meso drop data on the underlying DB (that must be
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* defined on the DatabaseConnection file of this project) and generates a
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* SQL file that proposes missing drop entries for the drop_data table.
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* <p>
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* The meso range is calculated accordingly with the target mob stats, such as level
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* and if it's a boss or not, similarly as how it has been done for the actual meso
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* drops.
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*/
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public class SkillbookChanceFetcher {
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private static final File OUTPUT_FILE = ToolConstants.getOutputFile("skillbook_drop_data.sql");
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private static final Map<Pair<Integer, Integer>, Integer> skillbookChances = new HashMap<>();
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private static PrintWriter printWriter;
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private static Map<Integer, MapleMonsterStats> mobStats;
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private static List<Map.Entry<Pair<Integer, Integer>, Integer>> sortedSkillbookChances() {
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List<Map.Entry<Pair<Integer, Integer>, Integer>> skillbookChancesList = new ArrayList<>(skillbookChances.entrySet());
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skillbookChancesList.sort((o1, o2) -> {
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if (o1.getKey().getLeft().equals(o2.getKey().getLeft())) {
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return o1.getKey().getRight() < o2.getKey().getRight() ? -1 : (o1.getKey().getRight().equals(o2.getKey().getRight()) ? 0 : 1);
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}
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return (o1.getKey().getLeft() < o2.getKey().getLeft()) ? -1 : 1;
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});
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return skillbookChancesList;
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}
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private static boolean isLegendSkillUpgradeBook(int itemid) {
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int itemidBranch = itemid / 10000;
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return (itemidBranch == 228 && itemid >= 2280013 || itemidBranch == 229 && itemid >= 2290126); // drop rate of Legends are higher
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}
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private static void fetchSkillbookDropChances() {
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Connection con = SimpleDatabaseConnection.getConnection();
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try {
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PreparedStatement ps = con.prepareStatement("SELECT dropperid, itemid FROM drop_data WHERE itemid >= 2280000 AND itemid < 2300000");
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ResultSet rs = ps.executeQuery();
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while (rs.next()) {
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int mobid = rs.getInt("dropperid");
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int itemid = rs.getInt("itemid");
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int expectedChance = 250;
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if (mobStats.get(mobid) != null) {
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int level = mobStats.get(mobid).getLevel();
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expectedChance *= Math.max(2, (level - 80) / 15);
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if (mobStats.get(mobid).isBoss()) {
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expectedChance *= 20;
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} else {
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expectedChance *= 1;
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}
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} else {
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expectedChance = 1287;
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}
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if (isLegendSkillUpgradeBook(itemid)) { // drop rate of Legends seems to be higher than explorers, in retrospect from values in DB
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expectedChance *= 3;
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}
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skillbookChances.put(new Pair<>(mobid, itemid), expectedChance);
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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 (Exception e) {
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e.printStackTrace();
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}
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}
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private static void printSkillbookChanceUpdateSqlHeader() {
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printWriter.println(" # SQL File autogenerated from the MapleSkillbookChanceFetcher feature by Ronan Lana.");
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printWriter.println(" # Generated data takes into account mob stats such as level and boss for the chance rates.");
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printWriter.println();
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printWriter.println(" REPLACE INTO drop_data (`dropperid`, `itemid`, `minimum_quantity`, `maximum_quantity`, `questid`, `chance`) VALUES");
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}
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private static void generateSkillbookChanceUpdateFile() {
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try {
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printWriter = new PrintWriter(OUTPUT_FILE, StandardCharsets.UTF_8);
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printSkillbookChanceUpdateSqlHeader();
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List<Map.Entry<Pair<Integer, Integer>, Integer>> skillbookChancesList = sortedSkillbookChances();
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for (Map.Entry<Pair<Integer, Integer>, Integer> e : skillbookChancesList) {
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printWriter.println("(" + e.getKey().getLeft() + ", " + e.getKey().getRight() + ", 1, 1, 0, " + e.getValue() + "),");
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}
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printWriter.close();
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} catch (IOException ioe) {
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ioe.printStackTrace();
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}
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}
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public static void main(String[] args) {
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// load mob stats from WZ
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mobStats = MonsterStatFetcher.getAllMonsterStats();
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fetchSkillbookDropChances();
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generateSkillbookChanceUpdateFile();
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}
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}
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