fix(lobby): 大厅变成安全的中转大厅并提示 /menu，大厅上限 200、登录门不限人数
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@@ -85,6 +85,12 @@ public final class FelisPaperPlugin extends JavaPlugin implements Listener, Plug
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getServer().getMessenger().registerIncomingPluginChannel(this, Control.CHANNEL, this);
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getServer().getPluginManager().registerEvents(this, this);
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// The lobby is a hub nobody can hurt or be hurt in (LobbyGuard). Worlds loaded
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// before this point get the rules here, later ones on their WorldLoadEvent.
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LobbyGuard guard = new LobbyGuard(getLogger());
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getServer().getPluginManager().registerEvents(guard, this);
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getServer().getWorlds().forEach(guard::protect);
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getLogger().info("felis-paper enabled: felis:control open, server list from the proxy. "
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+ "Pure UI face — no felis-api token.");
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}
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@@ -406,7 +412,7 @@ public final class FelisPaperPlugin extends JavaPlugin implements Listener, Plug
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// ---- helpers ----
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/** zh mirrors the Velocity rule: render Chinese when the client locale is zh-*. */
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private static boolean zh(Player player) {
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static boolean zh(Player player) {
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return "zh".equalsIgnoreCase(player.locale().getLanguage());
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}
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@@ -0,0 +1,267 @@
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package best.lolicon.felis.paper;
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import net.kyori.adventure.text.Component;
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import net.kyori.adventure.text.event.ClickEvent;
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import net.kyori.adventure.text.event.HoverEvent;
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import net.kyori.adventure.text.format.NamedTextColor;
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import net.kyori.adventure.text.format.TextDecoration;
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import org.bukkit.Difficulty;
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import org.bukkit.GameMode;
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import org.bukkit.GameRules;
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import org.bukkit.Material;
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import org.bukkit.World;
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import org.bukkit.block.Block;
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import org.bukkit.entity.Entity;
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import org.bukkit.entity.ItemFrame;
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import org.bukkit.entity.Player;
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import org.bukkit.entity.Projectile;
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import org.bukkit.event.EventHandler;
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import org.bukkit.event.EventPriority;
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import org.bukkit.event.Listener;
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import org.bukkit.event.block.Action;
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import org.bukkit.event.block.BlockBreakEvent;
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import org.bukkit.event.block.BlockBurnEvent;
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import org.bukkit.event.block.BlockIgniteEvent;
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import org.bukkit.event.block.BlockPlaceEvent;
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import org.bukkit.event.entity.EntityDamageByEntityEvent;
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import org.bukkit.event.entity.EntityDamageEvent;
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import org.bukkit.event.entity.FoodLevelChangeEvent;
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import org.bukkit.event.hanging.HangingBreakByEntityEvent;
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import org.bukkit.event.player.PlayerArmorStandManipulateEvent;
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import org.bukkit.event.player.PlayerBucketEmptyEvent;
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import org.bukkit.event.player.PlayerBucketFillEvent;
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import org.bukkit.event.player.PlayerInteractEntityEvent;
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import org.bukkit.event.player.PlayerInteractEvent;
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import org.bukkit.event.player.PlayerJoinEvent;
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import org.bukkit.event.vehicle.VehicleDestroyEvent;
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import org.bukkit.event.world.WorldLoadEvent;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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/**
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* LobbyGuard keeps the lobby a hub: a place every authenticated player passes through
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* on the way to a server, which nobody can hurt, get hurt in, or leave a mark on.
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* Without it the lobby is a plain survival world: mobs at night, PvP, and every block
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* broken or placed by a passer-by stays in the world volume for the next player.
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*
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* <p><b>World.</b> Every world is made peaceful with natural spawning, PvP, mob
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* griefing and TNT off, time frozen at noon and the weather clear, and inventories
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* kept. These are world rules (level.dat), so they are set here on enable and on
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* every world load rather than in server.properties.
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*
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* <p><b>Players.</b> A player takes no damage and never goes hungry; one who falls out
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* of the world is put back at spawn. Without {@link #BUILD_PERMISSION} (ops have it by
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* default) a player joins in adventure mode at spawn and cannot break or place
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* blocks, pour or scoop liquids, trample farmland, light fires, or harm any entity:
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* mobs, item frames, paintings, armor stands and vehicles alike. Buttons, doors,
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* pressure plates and containers keep working, so a lobby an admin builds with
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* them still works for everyone.
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*
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* <p><b>Onboarding.</b> Every join gets one chat line saying what the lobby is for,
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* with a click that runs {@code /menu}: the only way on from here, and one nobody
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* would otherwise guess.
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*/
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final class LobbyGuard implements Listener {
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/** Lets a player build in the lobby (default: ops). */
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static final String BUILD_PERMISSION = "felis.lobby.build";
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/** Noon: the lobby is always lit. */
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private static final long NOON = 6000L;
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static boolean guarded(Player player) {
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return !player.hasPermission(BUILD_PERMISSION);
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}
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private final Logger log;
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LobbyGuard(Logger log) {
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this.log = log;
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}
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/**
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* protect applies the world rules and logs what it could not set. The lobby's job is
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* the menu, so a rule a server version refuses (or no longer has) costs the rule,
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* never the plugin.
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*/
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void protect(World world) {
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try {
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applyRules(world);
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} catch (RuntimeException | LinkageError e) {
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log.log(Level.WARNING, "could not apply every lobby rule to world " + world.getName()
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+ "; the menu is unaffected", e);
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}
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}
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static void applyRules(World world) {
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world.setDifficulty(Difficulty.PEACEFUL);
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// Only a world with its own clock has a time of day to set; the nether and the
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// end have none and refuse.
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if (!world.isFixedTime()) {
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world.setTime(NOON);
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}
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world.setStorm(false);
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world.setThundering(false);
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world.setGameRule(GameRules.PVP, false);
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world.setGameRule(GameRules.SPAWN_MOBS, false);
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world.setGameRule(GameRules.SPAWN_WANDERING_TRADERS, false);
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world.setGameRule(GameRules.MOB_GRIEFING, false);
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world.setGameRule(GameRules.TNT_EXPLODES, false);
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world.setGameRule(GameRules.KEEP_INVENTORY, true);
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world.setGameRule(GameRules.IMMEDIATE_RESPAWN, true);
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world.setGameRule(GameRules.SHOW_ADVANCEMENT_MESSAGES, false);
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world.setGameRule(GameRules.ADVANCE_TIME, false);
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world.setGameRule(GameRules.ADVANCE_WEATHER, false);
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}
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@EventHandler
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public void onWorldLoad(WorldLoadEvent event) {
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protect(event.getWorld());
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}
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// ---- joining ----
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@EventHandler
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public void onJoin(PlayerJoinEvent event) {
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Player player = event.getPlayer();
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player.setFoodLevel(20);
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if (guarded(player)) {
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player.setGameMode(GameMode.ADVENTURE);
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player.teleport(player.getWorld().getSpawnLocation());
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}
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player.sendMessage(hint(FelisPaperPlugin.zh(player)));
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}
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static Component hint(boolean zh) {
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Component open = Component.text(zh ? "[打开服务器菜单]" : "[Open the server menu]",
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NamedTextColor.GREEN, TextDecoration.BOLD)
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.clickEvent(ClickEvent.runCommand("/menu"))
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.hoverEvent(HoverEvent.showText(Component.text(zh ? "点击运行 /menu" : "Click to run /menu")));
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return Component.text(zh ? "欢迎来到大厅。输入 /menu 或点击 " : "Welcome to the lobby. Type /menu or click ",
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NamedTextColor.GOLD)
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.append(open)
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.append(Component.text(zh ? "，选一个服务器进入。" : " to pick a server to join.",
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NamedTextColor.GOLD));
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}
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// ---- nobody gets hurt ----
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@EventHandler(priority = EventPriority.LOW)
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public void onDamage(EntityDamageEvent event) {
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if (!(event.getEntity() instanceof Player player)) {
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return;
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}
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event.setCancelled(true);
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if (event.getCause() == EntityDamageEvent.DamageCause.VOID) {
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player.teleport(player.getWorld().getSpawnLocation());
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}
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}
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@EventHandler(priority = EventPriority.LOW)
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public void onHunger(FoodLevelChangeEvent event) {
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if (event.getEntity() instanceof Player) {
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event.setCancelled(true);
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}
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}
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// ---- nobody leaves a mark ----
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@EventHandler(priority = EventPriority.LOW)
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public void onBreak(BlockBreakEvent event) {
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if (guarded(event.getPlayer())) {
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event.setCancelled(true);
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}
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}
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@EventHandler(priority = EventPriority.LOW)
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public void onPlace(BlockPlaceEvent event) {
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if (guarded(event.getPlayer())) {
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event.setCancelled(true);
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}
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}
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@EventHandler(priority = EventPriority.LOW)
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public void onPour(PlayerBucketEmptyEvent event) {
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if (guarded(event.getPlayer())) {
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event.setCancelled(true);
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}
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}
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@EventHandler(priority = EventPriority.LOW)
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public void onScoop(PlayerBucketFillEvent event) {
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if (guarded(event.getPlayer())) {
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event.setCancelled(true);
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}
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}
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/** Stepping on farmland or turtle eggs destroys them; pressure plates are left alone. */
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@EventHandler(priority = EventPriority.LOW)
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public void onTrample(PlayerInteractEvent event) {
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Block block = event.getClickedBlock();
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if (event.getAction() != Action.PHYSICAL || block == null || !guarded(event.getPlayer())) {
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return;
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}
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Material type = block.getType();
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if (type == Material.FARMLAND || type == Material.TURTLE_EGG) {
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event.setCancelled(true);
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}
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}
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/** Fire spreads and burns with nobody behind it, so only a builder may start one. */
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@EventHandler(priority = EventPriority.LOW)
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public void onIgnite(BlockIgniteEvent event) {
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if (!(event.getIgnitingEntity() instanceof Player player) || guarded(player)) {
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event.setCancelled(true);
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}
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}
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@EventHandler(priority = EventPriority.LOW)
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public void onBurn(BlockBurnEvent event) {
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event.setCancelled(true);
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}
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@EventHandler(priority = EventPriority.LOW)
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public void onHit(EntityDamageByEntityEvent event) {
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if (guardedCulprit(event.getDamager())) {
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event.setCancelled(true);
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}
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}
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@EventHandler(priority = EventPriority.LOW)
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public void onHangingBreak(HangingBreakByEntityEvent event) {
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if (guardedCulprit(event.getRemover())) {
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event.setCancelled(true);
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}
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}
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@EventHandler(priority = EventPriority.LOW)
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public void onVehicleDestroy(VehicleDestroyEvent event) {
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if (guardedCulprit(event.getAttacker())) {
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event.setCancelled(true);
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}
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}
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/** Right-clicking an item frame takes or turns what it holds. */
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@EventHandler(priority = EventPriority.LOW)
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public void onFrame(PlayerInteractEntityEvent event) {
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if (event.getRightClicked() instanceof ItemFrame && guarded(event.getPlayer())) {
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event.setCancelled(true);
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}
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}
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@EventHandler(priority = EventPriority.LOW)
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public void onArmorStand(PlayerArmorStandManipulateEvent event) {
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if (guarded(event.getPlayer())) {
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event.setCancelled(true);
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}
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}
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/** guardedCulprit: the entity is a guarded player, or something one of them shot. */
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private static boolean guardedCulprit(Entity culprit) {
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if (culprit instanceof Projectile projectile && projectile.getShooter() instanceof Player shooter) {
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return guarded(shooter);
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}
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return culprit instanceof Player player && guarded(player);
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}
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}
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@@ -3,7 +3,7 @@ version: 0.1.0
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main: best.lolicon.felis.paper.FelisPaperPlugin
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api-version: '1.21'
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authors: [Felis]
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description: Lobby UI face — /menu and /server open a chest GUI that drives the felis:control channel.
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description: Lobby UI face — /menu and /server open a chest GUI that drives the felis:control channel; the lobby world is kept safe and unchanged.
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commands:
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menu:
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description: Open the Felis server menu.
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@@ -11,3 +11,7 @@ commands:
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server:
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description: Open the Felis server menu (alias of /menu).
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usage: /server
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permissions:
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felis.lobby.build:
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description: Build in the lobby. Everyone else joins in adventure mode and cannot change the world.
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default: op
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