Including WorldUtil and PrimaryWorlds classes (from Pandacube private code)
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package fr.pandacube.lib.paper.reflect.util;
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import fr.pandacube.lib.paper.reflect.wrapper.craftbukkit.CraftServer;
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import fr.pandacube.lib.reflect.wrapper.ReflectWrapper;
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import org.bukkit.Bukkit;
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import org.bukkit.plugin.Plugin;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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/**
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* Utility method to get the list of the primary world of the Bukkit/Paper server.
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* The primary worlds are the world that are loaded by the server at the startup, that the plugins cannot unload.
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*/
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public class PrimaryWorlds {
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/**
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* An unmodifiable list containing the names of the primary worlds of this server instance, in the order they are
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* loaded. This list can be accessed even if the corresponding worlds are not yet loaded, for instance in the
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* {@link Plugin#onLoad()} method.
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*/
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public static final List<String> PRIMARY_WORLDS;
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static {
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List<String> primaryWorlds = new ArrayList<>(3);
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String world = ReflectWrapper.wrapTyped(Bukkit.getServer(), CraftServer.class).getServer().getLevelIdName();
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primaryWorlds.add(world);
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if (Bukkit.getAllowNether()) primaryWorlds.add(world + "_nether");
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if (Bukkit.getAllowEnd()) primaryWorlds.add(world + "_the_end");
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PRIMARY_WORLDS = Collections.unmodifiableList(primaryWorlds);
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}
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}
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package fr.pandacube.lib.paper.util;
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import org.bukkit.Bukkit;
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import org.bukkit.World.Environment;
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import java.io.File;
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import java.util.Arrays;
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import java.util.List;
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import java.util.regex.Pattern;
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public class WorldUtil {
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public static Environment determineEnvironment(String world) {
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if (Bukkit.getWorld(world) != null) {
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return Bukkit.getWorld(world).getEnvironment();
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}
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File worldFolder = worldDir(world);
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if (!worldFolder.isDirectory())
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throw new IllegalStateException("The world " + world + " is not a valid world (directory not found).");
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if (!new File(worldFolder, "level.dat").isFile())
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throw new IllegalStateException("The world " + world + " is not a valid world (level.dat not found).");
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if (new File(worldFolder, "region").isDirectory())
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return Environment.NORMAL;
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if (new File(worldFolder, "DIM-1" + File.pathSeparator + "region").isDirectory())
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return Environment.NETHER;
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if (new File(worldFolder, "DIM1" + File.pathSeparator + "region").isDirectory())
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return Environment.THE_END;
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throw new IllegalStateException("Unable to determine the type of the world " + world + ".");
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}
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private static final List<String> REGION_DATA_FILES = Arrays.asList("entities", "poi", "region", "DIM-1", "DIM1");
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public static List<File> regionDataFiles(String world) {
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return onlyExistents(worldDir(world), REGION_DATA_FILES);
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}
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public static List<File> mapFiles(String world) {
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Pattern mapFilePattern = Pattern.compile("map_\\d+.dat");
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return List.of(dataDir(world).listFiles((dir, name) -> mapFilePattern.matcher(name).find() || "idcounts.dat".equals(name)));
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}
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private static List<File> onlyExistents(File worldDir, List<String> searchList) {
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return searchList.stream()
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.map(f -> new File(worldDir, f))
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.filter(File::exists)
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.toList();
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}
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public static File worldDir(String world) {
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return new File(Bukkit.getWorldContainer(), world);
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}
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public static File dataDir(String world) {
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return new File(worldDir(world), "data");
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}
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public static boolean isValidWorld(String world) {
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File d = worldDir(world);
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return d.isDirectory() && new File(d, "level.dat").isFile();
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}
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}
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