496 lines
17 KiB
Java
496 lines
17 KiB
Java
package world.bentobox.level;
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import java.math.BigInteger;
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import java.text.DecimalFormat;
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import java.util.AbstractMap;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.LinkedHashMap;
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import java.util.Map;
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import java.util.Map.Entry;
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import java.util.Objects;
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import java.util.TreeMap;
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import java.util.UUID;
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import java.util.concurrent.CompletableFuture;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.stream.Collectors;
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import java.util.stream.Stream;
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import org.bukkit.Bukkit;
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import org.bukkit.World;
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import org.eclipse.jdt.annotation.NonNull;
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import org.eclipse.jdt.annotation.Nullable;
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import com.google.common.collect.Maps;
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import world.bentobox.bentobox.database.Database;
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import world.bentobox.bentobox.database.objects.Island;
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import world.bentobox.level.calculators.Results;
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import world.bentobox.level.events.IslandLevelCalculatedEvent;
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import world.bentobox.level.events.IslandPreLevelEvent;
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import world.bentobox.level.objects.IslandLevels;
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import world.bentobox.level.objects.LevelsData;
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import world.bentobox.level.objects.TopTenData;
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public class LevelsManager {
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private static final String INTOPTEN = "intopten";
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private static final TreeMap<BigInteger, String> LEVELS;
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private static final BigInteger THOUSAND = BigInteger.valueOf(1000);
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static {
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LEVELS = new TreeMap<>();
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LEVELS.put(THOUSAND, "k");
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LEVELS.put(THOUSAND.pow(2), "M");
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LEVELS.put(THOUSAND.pow(3), "G");
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LEVELS.put(THOUSAND.pow(4), "T");
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}
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private final Level addon;
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// Database handler for level data
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private final Database<IslandLevels> handler;
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// A cache of island levels.
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private final Map<String, IslandLevels> levelsCache;
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// Top ten lists
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private final Map<World, TopTenData> topTenLists;
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public LevelsManager(Level addon) {
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this.addon = addon;
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// Get the BentoBox database
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// Set up the database handler to store and retrieve data
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// Note that these are saved by the BentoBox database
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handler = new Database<>(addon, IslandLevels.class);
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// Initialize the cache
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levelsCache = new HashMap<>();
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// Initialize top ten lists
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topTenLists = new ConcurrentHashMap<>();
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}
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public void migrate() {
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Database<LevelsData> oldDb = new Database<>(addon, LevelsData.class);
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oldDb.loadObjects().forEach(ld -> {
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try {
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UUID owner = UUID.fromString(ld.getUniqueId());
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// Step through each world
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ld.getLevels().keySet().stream()
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// World
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.map(Bukkit::getWorld).filter(Objects::nonNull)
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// Island
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.map(w -> addon.getIslands().getIsland(w, owner)).filter(Objects::nonNull).forEach(i -> {
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// Make new database entry
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World w = i.getWorld();
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IslandLevels il = new IslandLevels(i.getUniqueId());
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il.setInitialLevel(ld.getInitialLevel(w));
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il.setLevel(ld.getLevel(w));
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il.setMdCount(ld.getMdCount(w));
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il.setPointsToNextLevel(ld.getPointsToNextLevel(w));
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il.setUwCount(ld.getUwCount(w));
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// Save it
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handler.saveObjectAsync(il);
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});
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// Now delete the old database entry
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oldDb.deleteID(ld.getUniqueId());
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} catch (Exception e) {
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addon.logError("Could not migrate level data database! " + e.getMessage());
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e.printStackTrace();
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return;
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}
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});
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}
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/**
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* Add an island to a top ten
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*
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* @param island - island to add
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* @param lv - level
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* @return true if successful, false if not added
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*/
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private boolean addToTopTen(Island island, long lv) {
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if (island != null && island.getOwner() != null && hasTopTenPerm(island.getWorld(), island.getOwner())) {
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topTenLists.computeIfAbsent(island.getWorld(), k -> new TopTenData(island.getWorld())).getTopTen()
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.put(island.getUniqueId(), lv);
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return true;
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}
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return false;
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}
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/**
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* Calculate the island level, set all island member's levels to the result and
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* try to add the owner to the top ten
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*
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* @param targetPlayer - uuid of targeted player - owner or team member
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* @param island - island to calculate
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* @return completable future with the results of the calculation
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*/
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public CompletableFuture<Results> calculateLevel(UUID targetPlayer, Island island) {
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CompletableFuture<Results> result = new CompletableFuture<>();
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// Fire pre-level calc event
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IslandPreLevelEvent e = new IslandPreLevelEvent(targetPlayer, island);
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Bukkit.getPluginManager().callEvent(e);
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if (e.isCancelled()) {
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return CompletableFuture.completedFuture(null);
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}
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// Add island to the pipeline
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addon.getPipeliner().addIsland(island).thenAccept(r -> {
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// Results are irrelevant because the island is unowned or deleted, or
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// IslandLevelCalcEvent is cancelled
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if (r == null || fireIslandLevelCalcEvent(targetPlayer, island, r)) {
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result.complete(null);
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}
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// Save result
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setIslandResults(island, r);
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// Save the island scan details
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result.complete(r);
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});
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return result;
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}
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/**
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* Fires the IslandLevelCalculatedEvent and returns true if it is canceled
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*
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* @param targetPlayer - target player
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* @param island - island
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* @param results - results set
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* @return true if canceled
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*/
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private boolean fireIslandLevelCalcEvent(UUID targetPlayer, Island island, Results results) {
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// Fire post calculation event
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IslandLevelCalculatedEvent ilce = new IslandLevelCalculatedEvent(targetPlayer, island, results);
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Bukkit.getPluginManager().callEvent(ilce);
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if (ilce.isCancelled())
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return true;
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// Set the values if they were altered
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results.setLevel((Long) ilce.getKeyValues().getOrDefault("level", results.getLevel()));
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results.setInitialLevel((Long) ilce.getKeyValues().getOrDefault("initialLevel", results.getInitialLevel()));
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results.setDeathHandicap((int) ilce.getKeyValues().getOrDefault("deathHandicap", results.getDeathHandicap()));
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results.setPointsToNextLevel(
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(Long) ilce.getKeyValues().getOrDefault("pointsToNextLevel", results.getPointsToNextLevel()));
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results.setTotalPoints((Long) ilce.getKeyValues().getOrDefault("totalPoints", results.getTotalPoints()));
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return ((Boolean) ilce.getKeyValues().getOrDefault("isCancelled", false));
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}
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/**
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* Get the string representation of the level. May be converted to shorthand
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* notation, e.g., 104556 = 10.5k
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*
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* @param lvl - long value to represent
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* @return string of the level.
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*/
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public String formatLevel(@Nullable Long lvl) {
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if (lvl == null)
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return "";
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String level = String.valueOf(lvl);
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// Asking for the level of another player
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if (addon.getSettings().isShorthand()) {
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BigInteger levelValue = BigInteger.valueOf(lvl);
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Map.Entry<BigInteger, String> stage = LEVELS.floorEntry(levelValue);
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if (stage != null) { // level > 1000
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// 1 052 -> 1.0k
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// 1 527 314 -> 1.5M
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// 3 874 130 021 -> 3.8G
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// 4 002 317 889 -> 4.0T
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level = new DecimalFormat("#.#").format(
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levelValue.divide(stage.getKey().divide(THOUSAND)).doubleValue() / 1000.0) + stage.getValue();
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}
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}
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return level;
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}
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/**
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* Get the initial level of the island. Used to zero island levels
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*
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* @param island - island
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* @return initial level of island
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*/
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public long getInitialLevel(Island island) {
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return getLevelsData(island).getInitialLevel();
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}
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/**
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* Get level of island from cache for a player.
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*
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* @param world - world where the island is
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* @param targetPlayer - target player UUID
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* @return Level of the player's island or zero if player is unknown or UUID is
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* null
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*/
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public long getIslandLevel(@NonNull World world, @Nullable UUID targetPlayer) {
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if (targetPlayer == null)
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return 0L;
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// Get the island
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Island island = addon.getIslands().getIsland(world, targetPlayer);
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return island == null ? 0L : getLevelsData(island).getLevel();
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}
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/**
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* Get the maximum level ever given to this island
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*
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* @param world - world where the island is
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* @param targetPlayer - target player UUID
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* @return Max level of the player's island or zero if player is unknown or UUID
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* is null
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*/
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public long getIslandMaxLevel(@NonNull World world, @Nullable UUID targetPlayer) {
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if (targetPlayer == null)
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return 0L;
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// Get the island
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Island island = addon.getIslands().getIsland(world, targetPlayer);
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return island == null ? 0L : getLevelsData(island).getMaxLevel();
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}
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/**
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* Returns a formatted string of the target player's island level
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*
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* @param world - world where the island is
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* @param targetPlayer - target player's UUID
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* @return Formatted level of player or zero if player is unknown or UUID is
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* null
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*/
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public String getIslandLevelString(@NonNull World world, @Nullable UUID targetPlayer) {
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return formatLevel(getIslandLevel(world, targetPlayer));
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}
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/**
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* Load a level data for the island from the cache or database.
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*
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* @param island - UUID of island
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* @return IslandLevels object
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*/
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@NonNull
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public IslandLevels getLevelsData(@NonNull Island island) {
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String id = island.getUniqueId();
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if (levelsCache.containsKey(id)) {
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return levelsCache.get(id);
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}
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// Get from database if not in cache
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if (handler.objectExists(id)) {
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IslandLevels ld = handler.loadObject(id);
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if (ld != null) {
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levelsCache.put(id, ld);
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} else {
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handler.deleteID(id);
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levelsCache.put(id, new IslandLevels(id));
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}
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} else {
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levelsCache.put(id, new IslandLevels(id));
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}
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// Return cached value
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return levelsCache.get(id);
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}
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/**
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* Get the number of points required until the next level since the last level
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* calc
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*
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* @param world - world where the island is
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* @param targetPlayer - target player UUID
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* @return string with the number required or blank if the player is unknown
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*/
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public String getPointsToNextString(@NonNull World world, @Nullable UUID targetPlayer) {
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if (targetPlayer == null)
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return "";
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Island island = addon.getIslands().getIsland(world, targetPlayer);
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return island == null ? "" : String.valueOf(getLevelsData(island).getPointsToNextLevel());
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}
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/**
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* Get the weighted top ten for this world. Weighting is based on number of
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* players per team.
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*
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* @param world - world requested
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* @param size - size of the top ten
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* @return sorted top ten map. The key is the island unique ID
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*/
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@NonNull
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public Map<Island, Long> getWeightedTopTen(@NonNull World world, int size) {
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createAndCleanRankings(world);
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Map<Island, Long> weightedTopTen = topTenLists.get(world).getTopTen().entrySet().stream()
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.map(en -> addon.getIslands().getIslandById(en.getKey()).map(island -> {
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long value = (long) (en.getValue() / (double) Math.max(1, island.getMemberSet().size())); // Calculate
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// weighted
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// value
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return new AbstractMap.SimpleEntry<>(island, value);
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}).orElse(null)) // Handle islands that do not exist according to this ID - old deleted ones
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.filter(Objects::nonNull) // Filter out null entries
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.filter(en -> en.getValue() > 0) // Filter out entries with non-positive values
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.sorted(Collections.reverseOrder(Map.Entry.comparingByValue())) // Sort in descending order of values
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.limit(size) // Limit to the top 'size' entries
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.collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue, (e1, e2) -> e1, // In case of key
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// collision, choose
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// the first one
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LinkedHashMap::new // Preserves the order of entries
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));
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// Return the unmodifiable map
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return Collections.unmodifiableMap(weightedTopTen);
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}
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/**
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* Get the top ten for this world. Returns offline players or players with the
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* intopten permission.
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*
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* @param world - world requested
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* @param size - size of the top ten
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* @return sorted top ten map. The key is the island unique ID
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*/
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@NonNull
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public Map<String, Long> getTopTen(@NonNull World world, int size) {
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createAndCleanRankings(world);
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// Return the sorted map
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return Collections.unmodifiableMap(topTenLists.get(world).getTopTen().entrySet().stream()
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.filter(l -> l.getValue() > 0).sorted(Collections.reverseOrder(Map.Entry.comparingByValue()))
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.limit(size)
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.collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue, (e1, e2) -> e1, LinkedHashMap::new)));
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}
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void createAndCleanRankings(@NonNull World world) {
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topTenLists.computeIfAbsent(world, TopTenData::new);
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// Remove player from top ten if they are online and do not have the perm
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topTenLists.get(world).getTopTen().keySet().removeIf(u -> addon.getIslands().getIslandById(u)
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.filter(i -> i.getOwner() == null || !hasTopTenPerm(world, i.getOwner())).isPresent());
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}
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/**
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* @return the topTenLists
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*/
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public Map<World, TopTenData> getTopTenLists() {
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return topTenLists;
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}
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/**
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* Get the rank of the player in the rankings
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*
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* @param world - world
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* @param uuid - player UUID
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* @return rank placing - note - placing of 1 means top ranked
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*/
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public int getRank(@NonNull World world, UUID uuid) {
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createAndCleanRankings(world);
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Stream<Entry<String, Long>> stream = topTenLists.get(world).getTopTen().entrySet().stream()
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.filter(l -> l.getValue() > 0).sorted(Collections.reverseOrder(Map.Entry.comparingByValue()));
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// Get player's current island
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Island island = addon.getIslands().getIsland(world, uuid);
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String id = island == null ? null : island.getUniqueId();
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return (int) (stream.takeWhile(x -> !x.getKey().equals(id)).map(Map.Entry::getKey).count() + 1);
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}
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/**
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* Checks if player has the correct top ten perm to have their level saved
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*
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* @param world
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* @param targetPlayer
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* @return true if player has the perm or the player is offline
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*/
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boolean hasTopTenPerm(@NonNull World world, @NonNull UUID targetPlayer) {
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String permPrefix = addon.getPlugin().getIWM().getPermissionPrefix(world);
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return Bukkit.getPlayer(targetPlayer) == null
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|| Bukkit.getPlayer(targetPlayer).hasPermission(permPrefix + INTOPTEN);
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}
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/**
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* Loads all the top tens from the database
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*/
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public void loadTopTens() {
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topTenLists.clear();
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Bukkit.getScheduler().runTaskAsynchronously(addon.getPlugin(), () -> {
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addon.log("Generating rankings");
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handler.loadObjects().forEach(il -> {
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if (il.getLevel() > 0) {
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addon.getIslands().getIslandById(il.getUniqueId())
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.ifPresent(i -> this.addToTopTen(i, il.getLevel()));
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}
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});
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topTenLists.keySet().forEach(w -> addon.log("Generated rankings for " + w.getName()));
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});
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}
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/**
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* Removes an island from a world's top ten
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*
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* @param world - world
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* @param uuid - the island's uuid
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*/
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public void removeEntry(World world, String uuid) {
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if (topTenLists.containsKey(world)) {
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topTenLists.get(world).getTopTen().remove(uuid);
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}
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}
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/**
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* Set an initial island level
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*
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* @param island - the island to set. Must have a non-null world
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* @param lv - initial island level
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*/
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public void setInitialIslandLevel(@NonNull Island island, long lv) {
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if (island.getWorld() == null)
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return;
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levelsCache.computeIfAbsent(island.getUniqueId(), IslandLevels::new).setInitialLevel(lv);
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handler.saveObjectAsync(levelsCache.get(island.getUniqueId()));
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}
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/**
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* Set the island level for the owner of the island that targetPlayer is a
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* member
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*
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* @param world - world
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* @param island - island
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* @param lv - level
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*/
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public void setIslandLevel(@NonNull World world, @NonNull UUID targetPlayer, long lv) {
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// Get the island
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Island island = addon.getIslands().getIsland(world, targetPlayer);
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if (island != null) {
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String id = island.getUniqueId();
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IslandLevels il = levelsCache.computeIfAbsent(id, IslandLevels::new);
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// Remove the initial level
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if (addon.getSettings().isZeroNewIslandLevels()) {
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il.setLevel(lv - il.getInitialLevel());
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} else {
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il.setLevel(lv);
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}
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handler.saveObjectAsync(levelsCache.get(id));
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// Update TopTen
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addToTopTen(island, levelsCache.get(id).getLevel());
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}
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}
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/**
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* Set the island level for the owner of the island that targetPlayer is a
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* member
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*
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* @param world - world
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* @param owner - owner of the island
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* @param r - results of the calculation
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*/
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private void setIslandResults(Island island, Results r) {
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if (island == null)
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return;
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IslandLevels ld = levelsCache.computeIfAbsent(island.getUniqueId(), IslandLevels::new);
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ld.setLevel(r.getLevel());
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ld.setUwCount(Maps.asMap(r.getUwCount().elementSet(), elem -> r.getUwCount().count(elem)));
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ld.setMdCount(Maps.asMap(r.getMdCount().elementSet(), elem -> r.getMdCount().count(elem)));
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ld.setPointsToNextLevel(r.getPointsToNextLevel());
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ld.setTotalPoints(r.getTotalPoints());
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levelsCache.put(island.getUniqueId(), ld);
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handler.saveObjectAsync(ld);
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// Update TopTen
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addToTopTen(island, ld.getLevel());
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}
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/**
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* Removes island from cache when it is deleted
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*
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* @param uniqueId - id of island
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*/
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public void deleteIsland(String uniqueId) {
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levelsCache.remove(uniqueId);
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handler.deleteID(uniqueId);
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}
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}
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