284 lines
10 KiB
Java
284 lines
10 KiB
Java
/*
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* This file is part of BlueMap, licensed under the MIT License (MIT).
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*
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* Copyright (c) Blue (Lukas Rieger) <https://bluecolored.de>
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* Copyright (c) contributors
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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package de.bluecolored.bluemap.bukkit;
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import com.github.benmanes.caffeine.cache.Caffeine;
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import com.github.benmanes.caffeine.cache.LoadingCache;
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import de.bluecolored.bluemap.common.plugin.Plugin;
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import de.bluecolored.bluemap.common.serverinterface.Player;
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import de.bluecolored.bluemap.common.serverinterface.ServerEventListener;
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import de.bluecolored.bluemap.common.serverinterface.Server;
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import de.bluecolored.bluemap.common.serverinterface.ServerWorld;
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import de.bluecolored.bluemap.core.BlueMap;
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import de.bluecolored.bluemap.core.MinecraftVersion;
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import de.bluecolored.bluemap.core.logger.Logger;
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import de.bluecolored.bluemap.core.util.Key;
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import org.bstats.bukkit.Metrics;
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import org.bukkit.Bukkit;
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import org.bukkit.World;
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import org.bukkit.command.CommandMap;
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import org.bukkit.command.defaults.BukkitCommand;
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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.player.PlayerJoinEvent;
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import org.bukkit.event.player.PlayerQuitEvent;
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import org.bukkit.plugin.java.JavaPlugin;
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import java.io.IOException;
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import java.lang.reflect.Field;
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import java.nio.file.Path;
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import java.util.*;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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public class BukkitPlugin extends JavaPlugin implements Server, Listener {
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private static BukkitPlugin instance;
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private final Plugin pluginInstance;
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private final EventForwarder eventForwarder;
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private final BukkitCommands commands;
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private final MinecraftVersion minecraftVersion;
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private int playerUpdateIndex = 0;
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private final Map<UUID, Player> onlinePlayerMap;
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private final List<BukkitPlayer> onlinePlayerList;
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private final LoadingCache<World, ServerWorld> worlds;
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public BukkitPlugin() {
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Logger.global.clear();
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Logger.global.put(new JavaLogger(getLogger()));
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//try to get best matching minecraft-version
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MinecraftVersion version = MinecraftVersion.LATEST_SUPPORTED;
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try {
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String versionString = getServer().getBukkitVersion();
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Matcher versionMatcher = Pattern.compile("(\\d+(?:\\.\\d+){1,2})[-_].*").matcher(versionString);
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if (!versionMatcher.matches()) throw new IllegalArgumentException();
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version = MinecraftVersion.of(versionMatcher.group(1));
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} catch (IllegalArgumentException e) {
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Logger.global.logWarning("Failed to detect the minecraft version of this server! Using latest version: " + version.getVersionString());
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}
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this.minecraftVersion = version;
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this.onlinePlayerMap = new ConcurrentHashMap<>();
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this.onlinePlayerList = Collections.synchronizedList(new ArrayList<>());
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this.eventForwarder = new EventForwarder();
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this.pluginInstance = new Plugin("spigot", this);
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this.commands = new BukkitCommands(this.pluginInstance);
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this.worlds = Caffeine.newBuilder()
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.executor(BlueMap.THREAD_POOL)
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.weakKeys()
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.maximumSize(1000)
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.build(BukkitWorld::new);
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BukkitPlugin.instance = this;
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}
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@Override
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public void onEnable() {
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//save world so the level.dat is present on new worlds
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Logger.global.logInfo("Saving all worlds once, to make sure the level.dat is present...");
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for (World world : getServer().getWorlds()) {
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world.save();
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}
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//register events
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getServer().getPluginManager().registerEvents(this, this);
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getServer().getPluginManager().registerEvents(eventForwarder, this);
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//register commands
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try {
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final Field bukkitCommandMap = Bukkit.getServer().getClass().getDeclaredField("commandMap");
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bukkitCommandMap.setAccessible(true);
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CommandMap commandMap = (CommandMap) bukkitCommandMap.get(Bukkit.getServer());
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for (BukkitCommand command : commands.getRootCommands()) {
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commandMap.register(command.getLabel(), command);
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}
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} catch(NoSuchFieldException | SecurityException | IllegalAccessException e) {
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Logger.global.logError("Failed to register commands!", e);
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}
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//tab completions
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getServer().getPluginManager().registerEvents(commands, this);
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//update online-player collections
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this.onlinePlayerList.clear();
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this.onlinePlayerMap.clear();
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for (org.bukkit.entity.Player player : getServer().getOnlinePlayers()) {
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BukkitPlayer bukkitPlayer = new BukkitPlayer(player.getUniqueId());
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onlinePlayerMap.put(player.getUniqueId(), bukkitPlayer);
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onlinePlayerList.add(bukkitPlayer);
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}
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//load bluemap
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getServer().getScheduler().runTaskAsynchronously(this, () -> {
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try {
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Logger.global.logInfo("Loading...");
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this.pluginInstance.load();
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if (pluginInstance.isLoaded()) Logger.global.logInfo("Loaded!");
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//start updating players
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getServer().getScheduler().runTaskTimer(this, this::updateSomePlayers, 1, 1);
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} catch (IOException | RuntimeException e) {
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Logger.global.logError("Failed to load!", e);
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this.pluginInstance.unload();
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}
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});
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//bstats
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new Metrics(this, 5912);
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}
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@Override
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public void onDisable() {
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Logger.global.logInfo("Stopping...");
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getServer().getScheduler().cancelTasks(this);
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pluginInstance.unload();
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Logger.global.logInfo("Saved and stopped!");
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}
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@Override
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public MinecraftVersion getMinecraftVersion() {
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return minecraftVersion;
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}
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@Override
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public void registerListener(ServerEventListener listener) {
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eventForwarder.addListener(listener);
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}
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@Override
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public void unregisterAllListeners() {
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eventForwarder.removeAllListeners();
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}
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@Override
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public Collection<ServerWorld> getLoadedServerWorlds() {
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Collection<ServerWorld> loadedWorlds = new ArrayList<>(3);
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for (World world : Bukkit.getWorlds()) {
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loadedWorlds.add(worlds.get(world));
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}
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return loadedWorlds;
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}
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@Override
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public Optional<ServerWorld> getServerWorld(Object world) {
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if (world instanceof String) {
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var serverWorld = Bukkit.getWorld((String) world);
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if (serverWorld != null) world = serverWorld;
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}
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if (world instanceof String) {
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var serverWorld = Bukkit.getWorld(new Key((String) world).getValue());
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if (serverWorld != null) world = serverWorld;
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}
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if (world instanceof UUID) {
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var serverWorld = Bukkit.getWorld((UUID) world);
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if (serverWorld != null) world = serverWorld;
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}
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if (world instanceof World)
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return Optional.of(getServerWorld((World) world));
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return Optional.empty();
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}
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public ServerWorld getServerWorld(World world) {
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return worlds.get(world);
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}
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@Override
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public Path getConfigFolder() {
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return getDataFolder().toPath();
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}
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@Override
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public Optional<Path> getModsFolder() {
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return Optional.of(Path.of("mods")); // in case this is a Bukkit/Forge hybrid
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}
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public Plugin getPlugin() {
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return pluginInstance;
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}
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public static BukkitPlugin getInstance() {
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return instance;
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}
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@EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
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public void onPlayerJoin(PlayerJoinEvent evt) {
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BukkitPlayer player = new BukkitPlayer(evt.getPlayer().getUniqueId());
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onlinePlayerMap.put(evt.getPlayer().getUniqueId(), player);
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onlinePlayerList.add(player);
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}
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@EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
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public void onPlayerLeave(PlayerQuitEvent evt) {
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UUID playerUUID = evt.getPlayer().getUniqueId();
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onlinePlayerMap.remove(playerUUID);
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synchronized (onlinePlayerList) {
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onlinePlayerList.removeIf(p -> p.getUuid().equals(playerUUID));
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}
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}
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@Override
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public Collection<Player> getOnlinePlayers() {
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return onlinePlayerMap.values();
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}
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/**
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* Only update some of the online players each tick to minimize performance impact on the server-thread.
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* Only call this method on the server-thread.
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*/
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private void updateSomePlayers() {
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int onlinePlayerCount = onlinePlayerList.size();
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if (onlinePlayerCount == 0) return;
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int playersToBeUpdated = onlinePlayerCount / 20; //with 20 tps, each player is updated once a second
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if (playersToBeUpdated == 0) playersToBeUpdated = 1;
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for (int i = 0; i < playersToBeUpdated; i++) {
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playerUpdateIndex++;
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if (playerUpdateIndex >= 20 && playerUpdateIndex >= onlinePlayerCount) playerUpdateIndex = 0;
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if (playerUpdateIndex < onlinePlayerCount) {
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onlinePlayerList.get(playerUpdateIndex).update();
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}
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}
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}
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}
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