575 lines
19 KiB
Java
575 lines
19 KiB
Java
package world.bentobox.bentobox.managers.island;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.Comparator;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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import java.util.Objects;
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import java.util.Set;
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import java.util.UUID;
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import java.util.stream.Collectors;
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import org.bukkit.Location;
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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 world.bentobox.bentobox.BentoBox;
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import world.bentobox.bentobox.api.flags.Flag;
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import world.bentobox.bentobox.database.objects.Island;
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import world.bentobox.bentobox.managers.RanksManager;
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import world.bentobox.bentobox.util.Util;
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/**
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* This class stores the islands in memory
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*
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* @author tastybento
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*/
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public class IslandCache {
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@NonNull
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private final Map<@NonNull Location, @NonNull Island> islandsByLocation;
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/**
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* Map of all islands with island uniqueId as key
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*/
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@NonNull
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private final Map<@NonNull String, @NonNull Island> islandsById;
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/**
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* Every player who is associated with an island is in this map. Key is player
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* UUID, value is a set of islands
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*/
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@NonNull
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private final Map<@NonNull UUID, Set<Island>> islandsByUUID;
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@NonNull
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private final Map<@NonNull World, @NonNull IslandGrid> grids;
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public IslandCache() {
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islandsByLocation = new HashMap<>();
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islandsById = new HashMap<>();
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islandsByUUID = new HashMap<>();
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grids = new HashMap<>();
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}
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/**
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* Replace the island we have with this one
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* @param newIsland island
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*/
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public void updateIsland(@NonNull Island newIsland) {
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if (newIsland.isDeleted()) {
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this.deleteIslandFromCache(newIsland);
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return;
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}
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// Get the old island
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Island oldIsland = islandsById.get(newIsland.getUniqueId());
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compareIslands(oldIsland, newIsland);
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Set<UUID> newMembers = newIsland.getMembers().keySet();
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if (oldIsland != null) {
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Set<UUID> oldMembers = oldIsland.getMembers().keySet();
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// Remove any members who are not in the new island
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for (UUID oldMember : oldMembers) {
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if (!newMembers.contains(oldMember)) {
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// Member has been removed - remove island
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islandsByUUID.computeIfAbsent(oldMember, k -> new HashSet<>()).remove(oldIsland);
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}
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}
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}
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// Update the members with the new island object
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for (UUID newMember : newMembers) {
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Set<Island> set = islandsByUUID.computeIfAbsent(newMember, k -> new HashSet<>());
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set.remove(oldIsland);
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set.add(newIsland);
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islandsByUUID.put(newMember, set);
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}
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if (islandsByLocation.put(newIsland.getCenter(), newIsland) == null) {
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BentoBox.getInstance().logError("islandsByLocation failed to update");
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}
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if (islandsById.put(newIsland.getUniqueId(), newIsland) == null) {
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BentoBox.getInstance().logError("islandsById failed to update");
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}
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}
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public void compareIslands(Island island1, Island island2) {
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if (island1 == null || island2 == null) {
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BentoBox.getInstance().logDebug("One or both islands are null. Cannot compare.");
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return;
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}
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if (!island1.getUniqueId().equals(island2.getUniqueId())) {
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BentoBox.getInstance().logDebug("Island unique IDs are different.");
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}
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if (island1.isDeleted() != island2.isDeleted()) {
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BentoBox.getInstance().logDebug("Island deleted states are different.");
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}
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if (!Objects.equals(island1.getCenter(), island2.getCenter())) {
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BentoBox.getInstance().logDebug("Island centers are different.");
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}
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if (island1.getRange() != island2.getRange()) {
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BentoBox.getInstance().logDebug("Island ranges are different.");
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}
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if (island1.getProtectionRange() != island2.getProtectionRange()) {
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BentoBox.getInstance().logDebug("Island protection ranges are different.");
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}
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if (!island1.getBonusRanges().equals(island2.getBonusRanges())) {
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BentoBox.getInstance().logDebug("Island bonus ranges are different.");
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}
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if (island1.getMaxEverProtectionRange() != island2.getMaxEverProtectionRange()) {
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BentoBox.getInstance().logDebug("Island max ever protection ranges are different.");
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}
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if (!island1.getWorld().equals(island2.getWorld())) {
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BentoBox.getInstance().logDebug("Island worlds are different.");
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}
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if (!Objects.equals(island1.getGameMode(), island2.getGameMode())) {
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BentoBox.getInstance().logDebug("Island game modes are different.");
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}
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if (!Objects.equals(island1.getName(), island2.getName())) {
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BentoBox.getInstance().logDebug("Island names are different.");
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}
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if (island1.getCreatedDate() != island2.getCreatedDate()) {
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BentoBox.getInstance().logDebug("Island created dates are different.");
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}
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if (island1.getUpdatedDate() != island2.getUpdatedDate()) {
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BentoBox.getInstance().logDebug("Island updated dates are different.");
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}
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if (!Objects.equals(island1.getOwner(), island2.getOwner())) {
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BentoBox.getInstance().logDebug("Island owners are different.");
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}
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if (!island1.getMembers().equals(island2.getMembers())) {
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BentoBox.getInstance().logDebug("Island members are different.");
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}
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if (!Objects.equals(island1.getMaxMembers(), island2.getMaxMembers())) {
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BentoBox.getInstance().logDebug("Island max members are different.");
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}
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if (island1.isSpawn() != island2.isSpawn()) {
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BentoBox.getInstance().logDebug("Island spawn states are different.");
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}
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if (!island1.getFlags().equals(island2.getFlags())) {
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BentoBox.getInstance().logDebug("Island flags are different.");
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}
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if (!island1.getHistory().equals(island2.getHistory())) {
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BentoBox.getInstance().logDebug("Island histories are different.");
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}
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if (!island1.getSpawnPoint().equals(island2.getSpawnPoint())) {
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BentoBox.getInstance().logDebug("Island spawn points are different.");
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}
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if (island1.isDoNotLoad() != island2.isDoNotLoad()) {
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BentoBox.getInstance().logDebug("Island do not load states are different.");
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}
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if (!island1.getCooldowns().equals(island2.getCooldowns())) {
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BentoBox.getInstance().logDebug("Island cooldowns are different.");
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}
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if (!Objects.equals(island1.getCommandRanks(), island2.getCommandRanks())) {
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BentoBox.getInstance().logDebug("Island command ranks are different.");
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}
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if (!Objects.equals(island1.getMetaData(), island2.getMetaData())) {
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BentoBox.getInstance().logDebug("Island metadata are different.");
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}
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if (!Objects.equals(island1.getHomes(), island2.getHomes())) {
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BentoBox.getInstance().logDebug("Island homes are different.");
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}
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if (!Objects.equals(island1.getMaxHomes(), island2.getMaxHomes())) {
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BentoBox.getInstance().logDebug("Island max homes are different.");
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}
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}
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/**
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* Adds an island to the grid
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*
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* @param island island to add, not null
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* @return true if successfully added, false if not
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*/
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public boolean addIsland(@NonNull Island island) {
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if (island.getCenter() == null || island.getWorld() == null) {
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return false;
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}
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if (addToGrid(island)) {
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islandsByLocation.put(island.getCenter(), island);
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islandsById.put(island.getUniqueId(), island);
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// Only add islands to this map if they are owned
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if (island.isOwned()) {
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islandsByUUID.computeIfAbsent(island.getOwner(), k -> new HashSet<>()).add(island);
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island.getMemberSet().forEach(member -> addPlayer(member, island));
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}
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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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* Adds a player's UUID to the look up for islands. Does no checking
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*
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* @param uuid player's uuid
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* @param island island to associate with this uuid. Only one island can be
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* associated per world.
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*/
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public void addPlayer(@NonNull UUID uuid, @NonNull Island island) {
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islandsByUUID.computeIfAbsent(uuid, k -> new HashSet<>()).add(island);
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}
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/**
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* Adds an island to the grid register
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*
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* @param newIsland new island
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* @return true if successfully added, false if not
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*/
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private boolean addToGrid(@NonNull Island newIsland) {
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return grids.computeIfAbsent(newIsland.getWorld(), k -> new IslandGrid(this)).addToGrid(newIsland);
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}
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public void clear() {
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islandsByLocation.clear();
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islandsById.clear();
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islandsByUUID.clear();
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}
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/**
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* Deletes an island from the cache. Does not remove blocks.
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*
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* @param island island to delete
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* @return true if successful, false if not
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*/
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public boolean deleteIslandFromCache(@NonNull Island island) {
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if (!islandsByLocation.remove(island.getCenter(), island)) {
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// Already deleted
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return false;
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}
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islandsById.remove(island.getUniqueId());
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removeFromIslandsByUUID(island);
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// Remove from grid
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if (grids.containsKey(island.getWorld())) {
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return grids.get(island.getWorld()).removeFromGrid(island);
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}
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return false;
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}
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private void removeFromIslandsByUUID(Island island) {
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for (Set<Island> set : islandsByUUID.values()) {
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Iterator<Island> is = set.iterator();
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while (is.hasNext()) {
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Island i = is.next();
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if (i.equals(island)) {
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is.remove();
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}
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}
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// set.removeIf(island::equals);
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}
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}
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/**
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* Delete island from the cache by ID. Does not remove blocks.
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*
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* @param uniqueId - island unique ID
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*/
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public boolean deleteIslandFromCache(@NonNull String uniqueId) {
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if (islandsById.containsKey(uniqueId)) {
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return deleteIslandFromCache(islandsById.get(uniqueId));
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}
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return false;
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}
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/**
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* Get island based on the exact center location of the island
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*
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* @param location location to search for
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* @return island or null if it does not exist
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*/
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@Nullable
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public Island get(@NonNull Location location) {
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return islandsByLocation.get(location);
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}
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/**
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* Returns island referenced by player's UUID. Returns the island the player is
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* on now, or their last known island
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*
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* @param world world to check. Includes nether and end worlds.
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* @param uuid player's UUID
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* @return island or null if none
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*/
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@Nullable
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public Island get(@NonNull World world, @NonNull UUID uuid) {
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List<Island> islands = getIslands(world, uuid);
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if (islands.isEmpty()) {
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return null;
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}
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for (Island island : islands) {
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if (island.isPrimary(uuid)) {
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return island;
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}
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}
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// If there is no primary set, then set one - it doesn't matter which.
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Island result = islands.iterator().next();
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result.setPrimary(uuid);
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return result;
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}
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/**
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* Returns all the islands referenced by player's UUID.
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*
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* @param world world to check. Includes nether and end worlds.
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* @param uuid player's UUID
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* @return list of island or empty list if none sorted from oldest to youngest
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*/
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public List<Island> getIslands(@NonNull World world, @NonNull UUID uuid) {
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World w = Util.getWorld(world);
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if (w == null) {
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return new ArrayList<>();
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}
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return islandsByUUID.computeIfAbsent(uuid, k -> new HashSet<>()).stream().filter(island -> w.equals(island.getWorld()))
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.sorted(Comparator.comparingLong(Island::getCreatedDate))
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.collect(Collectors.toList());
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}
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/**
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* Sets the current island for the user as their primary island
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*
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* @param uuid UUID of user
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* @param island island to make primary
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*/
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public void setPrimaryIsland(@NonNull UUID uuid, @NonNull Island island) {
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if (island.getPrimaries().contains(uuid)) {
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return;
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}
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for (Island is : getIslands(island.getWorld(), uuid)) {
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if (is.getPrimaries().contains(uuid)) {
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is.removePrimary(uuid);
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}
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if (is.equals(island)) {
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is.setPrimary(uuid);
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}
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}
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}
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/**
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* Returns the island at the location or null if there is none. This includes
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* the full island space, not just the protected area
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*
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* @param location the location
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* @return Island object
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*/
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@Nullable
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public Island getIslandAt(@NonNull Location location) {
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World w = Util.getWorld(location.getWorld());
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if (w == null || !grids.containsKey(w)) {
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return null;
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}
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return grids.get(w).getIslandAt(location.getBlockX(), location.getBlockZ());
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}
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/**
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* Returns an <strong>unmodifiable collection</strong> of all the islands (even
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* those who may be unowned).
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*
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* @return unmodifiable collection containing every island.
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*/
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@NonNull
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public Collection<Island> getIslands() {
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return Collections.unmodifiableCollection(islandsByLocation.values());
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}
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/**
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* Returns an <strong>unmodifiable collection</strong> of all the islands (even
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* those who may be unowned) in the specified world.
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*
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* @param world World of the gamemode.
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* @return unmodifiable collection containing all the islands in the specified
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* world.
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* @since 1.7.0
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*/
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@NonNull
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public Collection<Island> getIslands(@NonNull World world) {
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World overworld = Util.getWorld(world);
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if (overworld == null) {
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return Collections.emptyList();
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}
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return islandsByLocation.entrySet().stream()
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.filter(entry -> overworld.equals(Util.getWorld(entry.getKey().getWorld()))) // shouldn't make NPEs
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.map(Map.Entry::getValue).toList();
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}
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/**
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* Checks is a player has an island and owns it in this world. Note that players
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* may have multiple islands so this means the player is an owner of ANY island.
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*
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* @param world the world to check
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* @param uuid the player
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* @return true if player has an island and owns it
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*/
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public boolean hasIsland(@NonNull World world, @NonNull UUID uuid) {
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if (!islandsByUUID.containsKey(uuid)) {
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return false;
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}
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return this.islandsByUUID.get(uuid).stream().filter(i -> world.equals(i.getWorld()))
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.anyMatch(i -> uuid.equals(i.getOwner()));
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}
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/**
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* Removes a player from the cache. If the player has an island, the island
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* owner is removed and membership cleared.
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*
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* @param world world
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* @param uuid player's UUID
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* @return list of islands player had or empty if none
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*/
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public Set<Island> removePlayer(@NonNull World world, @NonNull UUID uuid) {
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World w = Util.getWorld(world);
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Set<Island> islandSet = islandsByUUID.get(uuid);
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if (w == null || islandSet == null) {
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return Collections.emptySet(); // Return empty list if no islands map exists for the world
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}
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// Go through all the islands associated with this player in this world and
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// remove the player from them.
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Iterator<Island> it = islandSet.iterator();
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while (it.hasNext()) {
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Island island = it.next();
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if (w.equals(island.getWorld())) {
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if (uuid.equals(island.getOwner())) {
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// Player is the owner, so clear the whole island and clear the ownership
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island.getMembers().clear();
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island.setOwner(null);
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} else {
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island.removeMember(uuid);
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}
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// Remove this island from this set of islands associated to this player
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it.remove();
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}
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}
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return islandSet;
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}
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/**
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* Removes player from island and removes the cache reference
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*
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* @param island member's island
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* @param uuid uuid of member to remove
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*/
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public void removePlayer(@NonNull Island island, @NonNull UUID uuid) {
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Set<Island> islandSet = islandsByUUID.get(uuid);
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if (islandSet != null) {
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islandSet.remove(island);
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}
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island.removeMember(uuid);
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island.removePrimary(uuid);
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}
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/**
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* Get the number of islands in the cache
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*
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* @return the number of islands
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*/
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public int size() {
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return islandsByLocation.size();
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}
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/**
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* Gets the number of islands in the cache for this world
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*
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* @param world world to get the number of islands in
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* @return the number of islands
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*/
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public long size(World world) {
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return this.islandsByLocation.keySet().stream().map(Location::getWorld).filter(world::equals).count();
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}
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/**
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* Sets an island owner. Clears out any other owner.
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*
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* @param island island
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* @param newOwnerUUID new owner
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*/
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public void setOwner(@NonNull Island island, @Nullable UUID newOwnerUUID) {
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island.setOwner(newOwnerUUID);
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if (newOwnerUUID != null) {
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islandsByUUID.computeIfAbsent(newOwnerUUID, k -> new HashSet<>()).add(island);
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}
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island.setRank(newOwnerUUID, RanksManager.OWNER_RANK);
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islandsByLocation.put(island.getCenter(), island);
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islandsById.put(island.getUniqueId(), island);
|
|
}
|
|
|
|
/**
|
|
* Get the island by unique id
|
|
*
|
|
* @param uniqueId unique id of the Island.
|
|
* @return island or null if none found
|
|
* @since 1.3.0
|
|
*/
|
|
@Nullable
|
|
public Island getIslandById(@NonNull String uniqueId) {
|
|
return islandsById.get(uniqueId);
|
|
}
|
|
|
|
/**
|
|
* Resets all islands in this game mode to default flag settings
|
|
*
|
|
* @param world - world
|
|
* @since 1.3.0
|
|
*/
|
|
public void resetAllFlags(World world) {
|
|
World w = Util.getWorld(world);
|
|
if (w == null) {
|
|
return;
|
|
}
|
|
islandsById.values().stream().filter(i -> i.getWorld().equals(w)).forEach(Island::setFlagsDefaults);
|
|
}
|
|
|
|
/**
|
|
* Resets a specific flag on all game mode islands in world to default setting
|
|
*
|
|
* @param world - world
|
|
* @param flag - flag to reset
|
|
* @since 1.8.0
|
|
*/
|
|
public void resetFlag(World world, Flag flag) {
|
|
World w = Util.getWorld(world);
|
|
if (w == null) {
|
|
return;
|
|
}
|
|
int setting = BentoBox.getInstance().getIWM().getDefaultIslandFlags(w).getOrDefault(flag,
|
|
flag.getDefaultRank());
|
|
islandsById.values().stream().filter(i -> i.getWorld().equals(w)).forEach(i -> i.setFlag(flag, setting));
|
|
}
|
|
|
|
/**
|
|
* Get all the island ids
|
|
*
|
|
* @return set of ids
|
|
* @since 1.8.0
|
|
*/
|
|
public Set<String> getAllIslandIds() {
|
|
return islandsById.keySet();
|
|
}
|
|
|
|
}
|