forked from GeyserMC/Geyser
400 lines
17 KiB
Java
400 lines
17 KiB
Java
/*
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* Copyright (c) 2019-2021 GeyserMC. http://geysermc.org
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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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* @author GeyserMC
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* @link https://github.com/GeyserMC/Geyser
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*/
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package org.geysermc.connector;
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import com.fasterxml.jackson.core.JsonParser;
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import com.fasterxml.jackson.databind.DeserializationFeature;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.nukkitx.network.raknet.RakNetConstants;
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import com.nukkitx.protocol.bedrock.BedrockServer;
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import lombok.Getter;
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import lombok.Setter;
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import org.geysermc.common.PlatformType;
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import org.geysermc.connector.bootstrap.GeyserBootstrap;
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import org.geysermc.connector.command.CommandManager;
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import org.geysermc.connector.common.AuthType;
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import org.geysermc.connector.configuration.GeyserConfiguration;
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import org.geysermc.connector.metrics.Metrics;
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import org.geysermc.connector.network.ConnectorServerEventHandler;
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import org.geysermc.connector.network.remote.RemoteServer;
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import org.geysermc.connector.network.session.GeyserSession;
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import org.geysermc.connector.network.translators.BiomeTranslator;
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import org.geysermc.connector.network.translators.EntityIdentifierRegistry;
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import org.geysermc.connector.network.translators.PacketTranslatorRegistry;
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import org.geysermc.connector.network.translators.collision.CollisionTranslator;
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import org.geysermc.connector.network.translators.effect.EffectRegistry;
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import org.geysermc.connector.network.translators.item.ItemRegistry;
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import org.geysermc.connector.network.translators.item.ItemTranslator;
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import org.geysermc.connector.network.translators.item.PotionMixRegistry;
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import org.geysermc.connector.network.translators.item.RecipeRegistry;
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import org.geysermc.connector.network.translators.sound.SoundHandlerRegistry;
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import org.geysermc.connector.network.translators.sound.SoundRegistry;
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import org.geysermc.connector.network.translators.world.WorldManager;
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import org.geysermc.connector.network.translators.world.block.BlockTranslator;
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import org.geysermc.connector.network.translators.world.block.entity.BlockEntityTranslator;
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import org.geysermc.connector.network.translators.world.block.entity.SkullBlockEntityTranslator;
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import org.geysermc.connector.utils.DimensionUtils;
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import org.geysermc.connector.utils.LanguageUtils;
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import org.geysermc.connector.utils.LocaleUtils;
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import org.geysermc.connector.utils.ResourcePack;
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import javax.naming.directory.Attribute;
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import javax.naming.directory.InitialDirContext;
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import java.net.InetAddress;
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import java.net.InetSocketAddress;
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import java.net.UnknownHostException;
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import java.text.DecimalFormat;
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import java.util.*;
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import java.util.concurrent.CompletableFuture;
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import java.util.concurrent.Executors;
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import java.util.concurrent.ScheduledExecutorService;
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import java.util.concurrent.TimeUnit;
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@Getter
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public class GeyserConnector {
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public static final ObjectMapper JSON_MAPPER = new ObjectMapper()
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.enable(JsonParser.Feature.IGNORE_UNDEFINED)
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.enable(JsonParser.Feature.ALLOW_COMMENTS)
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.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES)
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.enable(JsonParser.Feature.ALLOW_UNQUOTED_FIELD_NAMES);
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public static final String NAME = "Geyser";
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public static final String GIT_VERSION = "DEV"; // A fallback for running in IDEs
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public static final String VERSION = "DEV"; // A fallback for running in IDEs
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private static final String IP_REGEX = "\\b\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\b";
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private final List<GeyserSession> players = new ArrayList<>();
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private static GeyserConnector instance;
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private RemoteServer remoteServer;
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@Setter
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private AuthType authType;
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private boolean shuttingDown = false;
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private final ScheduledExecutorService generalThreadPool;
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private BedrockServer bedrockServer;
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private PlatformType platformType;
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private GeyserBootstrap bootstrap;
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private Metrics metrics;
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private GeyserConnector(PlatformType platformType, GeyserBootstrap bootstrap) {
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long startupTime = System.currentTimeMillis();
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instance = this;
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this.bootstrap = bootstrap;
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GeyserLogger logger = bootstrap.getGeyserLogger();
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GeyserConfiguration config = bootstrap.getGeyserConfig();
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this.platformType = platformType;
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logger.info("******************************************");
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logger.info("");
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logger.info(LanguageUtils.getLocaleStringLog("geyser.core.load", NAME, VERSION));
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logger.info("");
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logger.info("******************************************");
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this.generalThreadPool = Executors.newScheduledThreadPool(config.getGeneralThreadPool());
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logger.setDebug(config.isDebugMode());
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PacketTranslatorRegistry.init();
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/* Initialize translators and registries */
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BiomeTranslator.init();
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BlockTranslator.init();
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BlockEntityTranslator.init();
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EffectRegistry.init();
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EntityIdentifierRegistry.init();
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ItemRegistry.init();
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ItemTranslator.init();
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CollisionTranslator.init();
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LocaleUtils.init();
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PotionMixRegistry.init();
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RecipeRegistry.init();
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SoundRegistry.init();
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SoundHandlerRegistry.init();
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ResourcePack.loadPacks();
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if (platformType != PlatformType.STANDALONE && config.getRemote().getAddress().equals("auto")) {
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// Set the remote address to localhost since that is where we are always connecting
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try {
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config.getRemote().setAddress(InetAddress.getLocalHost().getHostAddress());
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} catch (UnknownHostException ex) {
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logger.debug("Unknown host when trying to find localhost.");
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if (config.isDebugMode()) {
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ex.printStackTrace();
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}
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}
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}
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String remoteAddress = config.getRemote().getAddress();
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int remotePort = config.getRemote().getPort();
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// Filters whether it is not an IP address or localhost, because otherwise it is not possible to find out an SRV entry.
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if ((config.isLegacyPingPassthrough() || platformType == PlatformType.STANDALONE) && !remoteAddress.matches(IP_REGEX) && !remoteAddress.equalsIgnoreCase("localhost")) {
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try {
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// Searches for a server address and a port from a SRV record of the specified host name
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InitialDirContext ctx = new InitialDirContext();
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Attribute attr = ctx.getAttributes("dns:///_minecraft._tcp." + remoteAddress, new String[]{"SRV"}).get("SRV");
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// size > 0 = SRV entry found
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if (attr != null && attr.size() > 0) {
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String[] record = ((String) attr.get(0)).split(" ");
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// Overwrites the existing address and port with that from the SRV record.
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config.getRemote().setAddress(remoteAddress = record[3]);
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config.getRemote().setPort(remotePort = Integer.parseInt(record[2]));
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logger.debug("Found SRV record \"" + remoteAddress + ":" + remotePort + "\"");
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}
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} catch (Exception | NoClassDefFoundError ex) { // Check for a NoClassDefFoundError to prevent Android crashes
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logger.debug("Exception while trying to find an SRV record for the remote host.");
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if (config.isDebugMode())
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ex.printStackTrace(); // Otherwise we can get a stack trace for any domain that doesn't have an SRV record
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}
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}
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remoteServer = new RemoteServer(config.getRemote().getAddress(), remotePort);
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authType = AuthType.getByName(config.getRemote().getAuthType());
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DimensionUtils.changeBedrockNetherId(config.isAboveBedrockNetherBuilding()); // Apply End dimension ID workaround to Nether
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SkullBlockEntityTranslator.ALLOW_CUSTOM_SKULLS = config.isAllowCustomSkulls();
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// https://github.com/GeyserMC/Geyser/issues/957
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RakNetConstants.MAXIMUM_MTU_SIZE = (short) config.getMtu();
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logger.debug("Setting MTU to " + config.getMtu());
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bedrockServer = new BedrockServer(new InetSocketAddress(config.getBedrock().getAddress(), config.getBedrock().getPort()));
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bedrockServer.setHandler(new ConnectorServerEventHandler(this));
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bedrockServer.bind().whenComplete((avoid, throwable) -> {
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if (throwable == null) {
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logger.info(LanguageUtils.getLocaleStringLog("geyser.core.start", config.getBedrock().getAddress(), String.valueOf(config.getBedrock().getPort())));
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} else {
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logger.severe(LanguageUtils.getLocaleStringLog("geyser.core.fail", config.getBedrock().getAddress(), String.valueOf(config.getBedrock().getPort())));
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throwable.printStackTrace();
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}
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}).join();
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if (config.getMetrics().isEnabled()) {
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metrics = new Metrics(this, "GeyserMC", config.getMetrics().getUniqueId(), false, java.util.logging.Logger.getLogger(""));
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metrics.addCustomChart(new Metrics.SingleLineChart("players", players::size));
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// Prevent unwanted words best we can
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metrics.addCustomChart(new Metrics.SimplePie("authMode", () -> AuthType.getByName(config.getRemote().getAuthType()).toString().toLowerCase()));
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metrics.addCustomChart(new Metrics.SimplePie("platform", platformType::getPlatformName));
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metrics.addCustomChart(new Metrics.SimplePie("defaultLocale", LanguageUtils::getDefaultLocale));
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metrics.addCustomChart(new Metrics.SimplePie("version", () -> GeyserConnector.VERSION));
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metrics.addCustomChart(new Metrics.AdvancedPie("playerPlatform", () -> {
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Map<String, Integer> valueMap = new HashMap<>();
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for (GeyserSession session : players) {
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if (session == null) continue;
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if (session.getClientData() == null) continue;
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String os = session.getClientData().getDeviceOS().toString();
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if (!valueMap.containsKey(os)) {
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valueMap.put(os, 1);
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} else {
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valueMap.put(os, valueMap.get(os) + 1);
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}
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}
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return valueMap;
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}));
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metrics.addCustomChart(new Metrics.AdvancedPie("playerVersion", () -> {
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Map<String, Integer> valueMap = new HashMap<>();
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for (GeyserSession session : players) {
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if (session == null) continue;
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if (session.getClientData() == null) continue;
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String version = session.getClientData().getGameVersion();
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if (!valueMap.containsKey(version)) {
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valueMap.put(version, 1);
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} else {
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valueMap.put(version, valueMap.get(version) + 1);
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}
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}
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return valueMap;
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}));
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}
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boolean isGui = false;
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// This will check if we are in standalone and get the 'useGui' variable from there
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if (platformType == PlatformType.STANDALONE) {
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try {
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Class<?> cls = Class.forName("org.geysermc.platform.standalone.GeyserStandaloneBootstrap");
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isGui = (boolean) cls.getMethod("isUseGui").invoke(cls.cast(bootstrap));
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} catch (Exception e) {
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logger.debug("Failed detecting if standalone is using a GUI; if this is a GeyserConnect instance this can be safely ignored.");
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}
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}
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double completeTime = (System.currentTimeMillis() - startupTime) / 1000D;
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String message = LanguageUtils.getLocaleStringLog("geyser.core.finish.done", new DecimalFormat("#.###").format(completeTime)) + " ";
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if (isGui) {
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message += LanguageUtils.getLocaleStringLog("geyser.core.finish.gui");
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} else {
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message += LanguageUtils.getLocaleStringLog("geyser.core.finish.console");
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}
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logger.info(message);
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if (platformType == PlatformType.STANDALONE) {
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logger.warning(LanguageUtils.getLocaleStringLog("geyser.core.movement_warn"));
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}
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}
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public void shutdown() {
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bootstrap.getGeyserLogger().info(LanguageUtils.getLocaleStringLog("geyser.core.shutdown"));
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shuttingDown = true;
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if (players.size() >= 1) {
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bootstrap.getGeyserLogger().info(LanguageUtils.getLocaleStringLog("geyser.core.shutdown.kick.log", players.size()));
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// Make a copy to prevent ConcurrentModificationException
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final List<GeyserSession> tmpPlayers = new ArrayList<>(players);
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for (GeyserSession playerSession : tmpPlayers) {
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playerSession.disconnect(LanguageUtils.getPlayerLocaleString("geyser.core.shutdown.kick.message", playerSession.getLocale()));
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}
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CompletableFuture<Void> future = CompletableFuture.runAsync(new Runnable() {
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@Override
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public void run() {
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// Simulate a long-running Job
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try {
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while (true) {
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if (players.size() == 0) {
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return;
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}
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TimeUnit.MILLISECONDS.sleep(100);
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}
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} catch (InterruptedException e) {
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throw new IllegalStateException(e);
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}
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}
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});
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// Block and wait for the future to complete
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try {
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future.get();
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bootstrap.getGeyserLogger().info(LanguageUtils.getLocaleStringLog("geyser.core.shutdown.kick.done"));
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} catch (Exception e) {
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// Quietly fail
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}
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}
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generalThreadPool.shutdown();
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bedrockServer.close();
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players.clear();
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remoteServer = null;
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authType = null;
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this.getCommandManager().getCommands().clear();
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bootstrap.getGeyserLogger().info(LanguageUtils.getLocaleStringLog("geyser.core.shutdown.done"));
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}
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public void addPlayer(GeyserSession player) {
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players.add(player);
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}
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public void removePlayer(GeyserSession player) {
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players.remove(player);
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}
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/**
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* Gets a player by their current UUID
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*
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* @param uuid the uuid
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* @return the player or <code>null</code> if there is no player online with this UUID
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*/
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public GeyserSession getPlayerByUuid(UUID uuid) {
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for (GeyserSession session : players) {
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if (session.getPlayerEntity().getUuid().equals(uuid)) {
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return session;
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}
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}
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return null;
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}
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/**
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* Gets a player by their Xbox user identifier
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*
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* @param xuid the Xbox user identifier
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* @return the player or <code>null</code> if there is no player online with this xuid
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*/
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public GeyserSession getPlayerByXuid(String xuid) {
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for (GeyserSession session : players) {
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if (session.getAuthData() != null && session.getAuthData().getXboxUUID().equals(xuid)) {
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return session;
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}
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}
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return null;
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}
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public static GeyserConnector start(PlatformType platformType, GeyserBootstrap bootstrap) {
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return new GeyserConnector(platformType, bootstrap);
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}
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public void reload() {
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shutdown();
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bootstrap.onEnable();
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}
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public GeyserLogger getLogger() {
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return bootstrap.getGeyserLogger();
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}
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public GeyserConfiguration getConfig() {
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return bootstrap.getGeyserConfig();
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}
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public CommandManager getCommandManager() {
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return bootstrap.getGeyserCommandManager();
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}
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public WorldManager getWorldManager() {
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return bootstrap.getWorldManager();
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}
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/**
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* Whether to use XML reflections in the jar or manually find the reflections.
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* Will return true if the version number is not 'DEV' and the platform is not Fabric.
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* On Fabric - it complains about being unable to create a default XMLReader.
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* On other platforms this should only be true in compiled jars.
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*
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* @return whether to use XML reflections
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*/
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public boolean useXmlReflections() {
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//noinspection ConstantConditions
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return !this.getPlatformType().equals(PlatformType.FABRIC) && !"DEV".equals(GeyserConnector.VERSION);
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}
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public static GeyserConnector getInstance() {
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return instance;
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}
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}
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