Initial Commit

src/main/java/com/alttd/blacklistfromworlds/BlacklistFromWorlds.java

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+package com.alttd.blacklistfromworlds;
+
+import com.alttd.blacklistfromworlds.events.LoginEvent;
+import com.alttd.blacklistfromworlds.events.TeleportEvent;
+import org.bukkit.plugin.java.JavaPlugin;
+
+public final class BlacklistFromWorlds extends JavaPlugin {
+
+    public static BlacklistFromWorlds instance;
+
+    public static BlacklistFromWorlds getInstance() {
+        return instance;
+    }
+
+    @Override
+    public void onLoad() {
+        instance = this;
+    }
+
+    @Override
+    public void onEnable() {
+        getServer().getPluginManager().registerEvents(new LoginEvent(), this);
+        getServer().getPluginManager().registerEvents(new TeleportEvent(), this);
+    }
+
+    @Override
+    public void onDisable() {
+        // Plugin shutdown logic
+    }
+}

src/main/java/com/alttd/blacklistfromworlds/events/LoginEvent.java

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+package com.alttd.blacklistfromworlds.events;
+
+import com.alttd.blacklistfromworlds.util.RemoveFromWorld;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.EventPriority;
+import org.bukkit.event.Listener;
+import org.bukkit.event.player.PlayerJoinEvent;
+
+public class LoginEvent implements Listener {
+
+    @EventHandler(priority = EventPriority.HIGH)
+    public void onLoginEvent(PlayerJoinEvent event) {
+        Player player = event.getPlayer();
+        if (player.hasPermission("blacklistfromworld." + event.getPlayer().getWorld().getName()))
+            RemoveFromWorld.teleportPlayer(player);
+    }
+
+}

src/main/java/com/alttd/blacklistfromworlds/events/TeleportEvent.java

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+package com.alttd.blacklistfromworlds.events;
+
+import net.kyori.adventure.text.minimessage.MiniMessage;
+import net.kyori.adventure.text.minimessage.Template;
+import net.kyori.adventure.text.minimessage.template.TemplateResolver;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.EventPriority;
+import org.bukkit.event.Listener;
+import org.bukkit.event.player.PlayerTeleportEvent;
+
+public class TeleportEvent implements Listener {
+
+    @EventHandler(priority = EventPriority.LOW)
+    public void onTeleport(PlayerTeleportEvent event) {
+        Player player = event.getPlayer();
+        String name = event.getTo().getWorld().getName();
+        if (player.hasPermission("blacklistfromworld." + name)) {
+            player.sendMessage(MiniMessage.miniMessage()
+                    .deserialize("<red>You are blacklisted from <world>, cancelling teleportation...</red>",
+                            TemplateResolver.resolving(Template.template("world", name))));
+            event.setCancelled(true);
+        }
+    }
+
+}

src/main/java/com/alttd/blacklistfromworlds/util/Logger.java

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+package com.alttd.blacklistfromworlds.util;
+
+import com.alttd.blacklistfromworlds.BlacklistFromWorlds;
+
+public class Logger {
+
+    static private final java.util.logging.Logger logger;
+
+    static {
+        logger = BlacklistFromWorlds.getInstance().getLogger();
+    }
+
+    public static void info(String info, String... variables)
+    {
+        for (String variable : variables) {
+            info = info.replaceFirst("%", variable);
+        }
+        logger.info(info);
+    }
+
+    public static void warning(String warning, String... variables)
+    {
+        for (String variable : variables) {
+            warning = warning.replaceFirst("%", variable);
+        }
+        logger.warning(warning);
+    }
+
+    public static void severe(String severe, String... variables)
+    {
+        for (String variable : variables) {
+            severe = severe.replaceFirst("%", variable);
+        }
+        logger.severe(severe);
+    }
+}

src/main/java/com/alttd/blacklistfromworlds/util/RemoveFromWorld.java

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+package com.alttd.blacklistfromworlds.util;
+
+import net.kyori.adventure.text.minimessage.MiniMessage;
+import org.bukkit.Bukkit;
+import org.bukkit.World;
+import org.bukkit.entity.Player;
+
+public class RemoveFromWorld {
+
+    public static void teleportPlayer(Player player) {
+        World defaultWorld = Bukkit.getWorld("world");
+        if (defaultWorld != null && !player.hasPermission("blacklistfromworld.world")) {
+            player.teleport(defaultWorld.getSpawnLocation());
+            player.sendMessage(MiniMessage.miniMessage()
+                    .deserialize("<green>You were teleported out of a world you're blacklisted in!</green>"));
+            Logger.info("Teleported % to %", player.getName(), defaultWorld.getSpawnLocation().toString());
+            return;
+        }
+        for (World world : Bukkit.getWorlds()) {
+            if (player.hasPermission("blacklistfromworld." + world.getName()))
+                continue;
+            player.teleport(world.getSpawnLocation());
+            player.sendMessage(MiniMessage.miniMessage()
+                    .deserialize("<green>You were teleported out of a world you're blacklisted in!</green>"));
+            Logger.info("Teleported % to %", player.getName(), world.getSpawnLocation().toString());
+            return;
+        }
+        player.kick(MiniMessage.miniMessage()
+                .deserialize("<red>You are blacklisted from all worlds on this server.</red>"));
+    }
+
+}

src/main/resources/plugin.yml

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+name: BlacklistFromWorlds
+version: '${project.version}'
+main: com.alttd.blacklistfromworlds.BlacklistFromWorlds
+api-version: 1.18
+authors: [ Teriuihi ]
+description: Plugin to blacklist players from worlds