forked from GeyserMC/Geyser
587 lines
24 KiB
Java
587 lines
24 KiB
Java
/*
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* Copyright (c) 2019-2020 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.network.session;
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import com.github.steveice10.mc.auth.data.GameProfile;
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import com.github.steveice10.mc.auth.exception.request.InvalidCredentialsException;
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import com.github.steveice10.mc.auth.exception.request.RequestException;
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import com.github.steveice10.mc.protocol.MinecraftProtocol;
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import com.github.steveice10.mc.protocol.data.SubProtocol;
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import com.github.steveice10.mc.protocol.data.game.entity.player.GameMode;
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import com.github.steveice10.mc.protocol.data.game.world.block.BlockState;
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import com.github.steveice10.mc.protocol.packet.handshake.client.HandshakePacket;
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import com.github.steveice10.mc.protocol.packet.ingame.client.world.ClientTeleportConfirmPacket;
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import com.github.steveice10.mc.protocol.packet.ingame.server.ServerRespawnPacket;
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import com.github.steveice10.mc.protocol.packet.login.server.LoginSuccessPacket;
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import com.github.steveice10.packetlib.Client;
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import com.github.steveice10.packetlib.event.session.*;
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import com.github.steveice10.packetlib.packet.Packet;
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import com.github.steveice10.packetlib.tcp.TcpSessionFactory;
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import com.nukkitx.math.GenericMath;
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import com.nukkitx.math.TrigMath;
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import com.nukkitx.math.vector.*;
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import com.nukkitx.protocol.bedrock.BedrockPacket;
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import com.nukkitx.protocol.bedrock.BedrockServerSession;
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import com.nukkitx.protocol.bedrock.data.ContainerId;
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import com.nukkitx.protocol.bedrock.data.GamePublishSetting;
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import com.nukkitx.protocol.bedrock.data.GameRuleData;
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import com.nukkitx.protocol.bedrock.data.PlayerPermission;
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import com.nukkitx.protocol.bedrock.packet.*;
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import it.unimi.dsi.fastutil.objects.Object2LongMap;
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import it.unimi.dsi.fastutil.objects.Object2LongOpenHashMap;
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import lombok.Getter;
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import lombok.Setter;
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import org.geysermc.common.AuthType;
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import org.geysermc.common.window.FormWindow;
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import org.geysermc.connector.GeyserConnector;
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import org.geysermc.connector.command.CommandSender;
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import org.geysermc.connector.entity.Entity;
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import org.geysermc.connector.entity.PlayerEntity;
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import org.geysermc.connector.inventory.PlayerInventory;
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import org.geysermc.connector.network.remote.RemoteServer;
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import org.geysermc.connector.network.session.auth.AuthData;
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import org.geysermc.connector.network.session.auth.BedrockClientData;
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import org.geysermc.connector.network.session.cache.*;
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import org.geysermc.connector.network.translators.world.WorldBorder;
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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.item.ItemRegistry;
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import org.geysermc.connector.network.translators.world.block.BlockTranslator;
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import org.geysermc.connector.utils.ChunkUtils;
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import org.geysermc.connector.utils.LocaleUtils;
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import org.geysermc.connector.utils.SkinUtils;
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import org.geysermc.floodgate.util.BedrockData;
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import org.geysermc.floodgate.util.EncryptionUtil;
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import java.io.IOException;
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import java.net.InetSocketAddress;
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import java.security.NoSuchAlgorithmException;
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import java.security.PublicKey;
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import java.security.spec.InvalidKeySpecException;
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import java.util.UUID;
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import java.util.concurrent.atomic.AtomicInteger;
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@Getter
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public class GeyserSession implements CommandSender {
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private final GeyserConnector connector;
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private final UpstreamSession upstream;
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private RemoteServer remoteServer;
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private Client downstream;
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@Setter
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private AuthData authData;
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@Setter
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private BedrockClientData clientData;
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private PlayerEntity playerEntity;
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private PlayerInventory inventory;
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private ChunkCache chunkCache;
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private EntityCache entityCache;
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private InventoryCache inventoryCache;
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private ScoreboardCache scoreboardCache;
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private WindowCache windowCache;
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@Setter
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private TeleportCache teleportCache;
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/**
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* A map of Vector3i positions to Java entity IDs.
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* Used for translating Bedrock block actions to Java entity actions.
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*/
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private final Object2LongMap<Vector3i> itemFrameCache = new Object2LongOpenHashMap<>();
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private DataCache<Packet> javaPacketCache;
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@Setter
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private Vector2i lastChunkPosition = null;
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private int renderDistance;
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private boolean loggedIn;
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private boolean loggingIn;
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@Setter
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private boolean spawned;
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private boolean closed;
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@Setter
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private GameMode gameMode = GameMode.SURVIVAL;
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private final AtomicInteger pendingDimSwitches = new AtomicInteger(0);
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@Setter
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private boolean sneaking;
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@Setter
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private boolean sprinting;
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@Setter
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private boolean jumping;
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@Setter
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private BlockState breakingBlock;
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@Setter
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private Vector3i lastBlockPlacePosition;
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@Setter
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private String lastBlockPlacedId;
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@Setter
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private boolean interacting;
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@Setter
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private Vector3i lastInteractionPosition;
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@Setter
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private boolean switchingDimension = false;
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private boolean manyDimPackets = false;
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private ServerRespawnPacket lastDimPacket = null;
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@Setter
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private Entity ridingVehicleEntity;
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@Setter
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private int craftSlot = 0;
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@Setter
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private WorldBorder worldBorder;
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@Setter
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private long lastWindowCloseTime = 0;
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private MinecraftProtocol protocol;
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public GeyserSession(GeyserConnector connector, BedrockServerSession bedrockServerSession) {
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this.connector = connector;
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this.upstream = new UpstreamSession(bedrockServerSession);
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this.chunkCache = new ChunkCache(this);
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this.entityCache = new EntityCache(this);
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this.inventoryCache = new InventoryCache(this);
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this.scoreboardCache = new ScoreboardCache(this);
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this.windowCache = new WindowCache(this);
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this.playerEntity = new PlayerEntity(new GameProfile(UUID.randomUUID(), "unknown"), 1, 1, Vector3f.ZERO, Vector3f.ZERO, Vector3f.ZERO);
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this.inventory = new PlayerInventory();
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this.javaPacketCache = new DataCache<>();
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this.spawned = false;
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this.loggedIn = false;
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this.inventoryCache.getInventories().put(0, inventory);
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}
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public void connect(RemoteServer remoteServer) {
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startGame();
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this.remoteServer = remoteServer;
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ChunkUtils.sendEmptyChunks(this, playerEntity.getPosition().toInt(), 0, false);
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BiomeDefinitionListPacket biomeDefinitionListPacket = new BiomeDefinitionListPacket();
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biomeDefinitionListPacket.setTag(BiomeTranslator.BIOMES);
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upstream.sendPacket(biomeDefinitionListPacket);
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AvailableEntityIdentifiersPacket entityPacket = new AvailableEntityIdentifiersPacket();
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entityPacket.setTag(EntityIdentifierRegistry.ENTITY_IDENTIFIERS);
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upstream.sendPacket(entityPacket);
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InventoryContentPacket creativePacket = new InventoryContentPacket();
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creativePacket.setContainerId(ContainerId.CREATIVE);
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creativePacket.setContents(ItemRegistry.CREATIVE_ITEMS);
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upstream.sendPacket(creativePacket);
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PlayStatusPacket playStatusPacket = new PlayStatusPacket();
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playStatusPacket.setStatus(PlayStatusPacket.Status.PLAYER_SPAWN);
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upstream.sendPacket(playStatusPacket);
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}
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public void fetchOurSkin(PlayerListPacket.Entry entry) {
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PlayerSkinPacket playerSkinPacket = new PlayerSkinPacket();
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playerSkinPacket.setUuid(authData.getUUID());
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playerSkinPacket.setSkin(entry.getSkin());
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playerSkinPacket.setOldSkinName("OldName");
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playerSkinPacket.setNewSkinName("NewName");
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playerSkinPacket.setTrustedSkin(true);
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upstream.sendPacket(playerSkinPacket);
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getConnector().getLogger().debug("Sending skin for " + playerEntity.getUsername() + " " + authData.getUUID());
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}
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public void login() {
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if (connector.getAuthType() != AuthType.ONLINE) {
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connector.getLogger().info(
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"Attempting to login using " + connector.getAuthType().name().toLowerCase() + " mode... " +
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(connector.getAuthType() == AuthType.OFFLINE ?
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"authentication is disabled." : "authentication will be encrypted"
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)
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);
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authenticate(authData.getName());
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}
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}
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public void authenticate(String username) {
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authenticate(username, "");
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}
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public void authenticate(String username, String password) {
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if (loggedIn) {
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connector.getLogger().severe(username + " is already logged in!");
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return;
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}
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loggingIn = true;
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// new thread so clients don't timeout
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new Thread(() -> {
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try {
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if (password != null && !password.isEmpty()) {
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protocol = new MinecraftProtocol(username, password);
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} else {
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protocol = new MinecraftProtocol(username);
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}
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boolean floodgate = connector.getAuthType() == AuthType.FLOODGATE;
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final PublicKey publicKey;
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if (floodgate) {
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PublicKey key = null;
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try {
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key = EncryptionUtil.getKeyFromFile(
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connector.getConfig().getFloodgateKeyFile(),
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PublicKey.class
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);
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} catch (IOException | InvalidKeySpecException | NoSuchAlgorithmException e) {
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connector.getLogger().error("Error while reading Floodgate key file", e);
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}
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publicKey = key;
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} else publicKey = null;
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if (publicKey != null) {
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connector.getLogger().info("Loaded Floodgate key!");
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}
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downstream = new Client(remoteServer.getAddress(), remoteServer.getPort(), protocol, new TcpSessionFactory());
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downstream.getSession().addListener(new SessionAdapter() {
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@Override
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public void packetSending(PacketSendingEvent event) {
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//todo move this somewhere else
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if (event.getPacket() instanceof HandshakePacket && floodgate) {
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String encrypted = "";
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try {
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encrypted = EncryptionUtil.encryptBedrockData(publicKey, new BedrockData(
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clientData.getGameVersion(),
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authData.getName(),
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authData.getXboxUUID(),
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clientData.getDeviceOS().ordinal(),
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clientData.getLanguageCode(),
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clientData.getCurrentInputMode().ordinal(),
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upstream.getSession().getAddress().getAddress().getHostAddress()
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));
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} catch (Exception e) {
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connector.getLogger().error("Failed to encrypt message", e);
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}
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HandshakePacket handshakePacket = event.getPacket();
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event.setPacket(new HandshakePacket(
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handshakePacket.getProtocolVersion(),
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handshakePacket.getHostname() + '\0' + BedrockData.FLOODGATE_IDENTIFIER + '\0' + encrypted,
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handshakePacket.getPort(),
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handshakePacket.getIntent()
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));
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}
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}
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@Override
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public void connected(ConnectedEvent event) {
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loggingIn = false;
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loggedIn = true;
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connector.getLogger().info(authData.getName() + " (logged in as: " + protocol.getProfile().getName() + ")" + " has connected to remote java server on address " + remoteServer.getAddress());
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playerEntity.setUuid(protocol.getProfile().getId());
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playerEntity.setUsername(protocol.getProfile().getName());
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String locale = clientData.getLanguageCode();
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// Let the user know there locale may take some time to download
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// as it has to be extracted from a JAR
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if (locale.toLowerCase().equals("en_us") && !LocaleUtils.LOCALE_MAPPINGS.containsKey("en_us")) {
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sendMessage("Downloading your locale (en_us) this may take some time");
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}
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// Download and load the language for the player
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LocaleUtils.downloadAndLoadLocale(locale);
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}
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@Override
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public void disconnected(DisconnectedEvent event) {
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loggingIn = false;
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loggedIn = false;
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connector.getLogger().info(authData.getName() + " has disconnected from remote java server on address " + remoteServer.getAddress() + " because of " + event.getReason());
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if (event.getCause() != null) {
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event.getCause().printStackTrace();
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}
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upstream.disconnect(event.getReason());
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}
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@Override
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public void packetReceived(PacketReceivedEvent event) {
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if (!closed) {
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//handle consecutive respawn packets
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if (event.getPacket().getClass().equals(ServerRespawnPacket.class)) {
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manyDimPackets = lastDimPacket != null;
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lastDimPacket = event.getPacket();
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return;
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} else if (lastDimPacket != null) {
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PacketTranslatorRegistry.JAVA_TRANSLATOR.translate(lastDimPacket.getClass(), lastDimPacket, GeyserSession.this);
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lastDimPacket = null;
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}
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// Required, or else Floodgate players break with Bukkit chunk caching
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if (event.getPacket() instanceof LoginSuccessPacket) {
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GameProfile profile = ((LoginSuccessPacket) event.getPacket()).getProfile();
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playerEntity.setUsername(profile.getName());
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playerEntity.setUuid(profile.getId());
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// Check if they are not using a linked account
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if (connector.getAuthType() == AuthType.OFFLINE || playerEntity.getUuid().getMostSignificantBits() == 0) {
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SkinUtils.handleBedrockSkin(playerEntity, clientData);
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}
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}
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PacketTranslatorRegistry.JAVA_TRANSLATOR.translate(event.getPacket().getClass(), event.getPacket(), GeyserSession.this);
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}
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}
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@Override
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public void packetError(PacketErrorEvent event) {
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connector.getLogger().warning("Downstream packet error! " + event.getCause().getMessage());
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if (connector.getConfig().isDebugMode())
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event.getCause().printStackTrace();
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event.setSuppress(true);
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}
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});
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downstream.getSession().connect();
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connector.addPlayer(this);
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} catch (InvalidCredentialsException | IllegalArgumentException e) {
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connector.getLogger().info("User '" + username + "' entered invalid login info, kicking.");
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disconnect("Invalid/incorrect login info");
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} catch (RequestException ex) {
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ex.printStackTrace();
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}
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}).start();
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}
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public void disconnect(String reason) {
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if (!closed) {
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loggedIn = false;
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if (downstream != null && downstream.getSession() != null) {
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downstream.getSession().disconnect(reason);
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}
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if (upstream != null && !upstream.isClosed()) {
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connector.getPlayers().remove(this.upstream.getAddress());
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upstream.disconnect(reason);
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}
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}
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this.chunkCache = null;
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this.entityCache = null;
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this.scoreboardCache = null;
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this.inventoryCache = null;
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this.windowCache = null;
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closed = true;
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}
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public void close() {
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disconnect("Server closed.");
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}
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public void setAuthenticationData(AuthData authData) {
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this.authData = authData;
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}
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@Override
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public String getName() {
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return authData.getName();
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}
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@Override
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public void sendMessage(String message) {
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TextPacket textPacket = new TextPacket();
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textPacket.setPlatformChatId("");
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textPacket.setSourceName("");
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textPacket.setXuid("");
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textPacket.setType(TextPacket.Type.CHAT);
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textPacket.setNeedsTranslation(false);
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textPacket.setMessage(message);
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upstream.sendPacket(textPacket);
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}
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public void sendActionBar(String text) {
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SetTitlePacket setTitlePacket = new SetTitlePacket();
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setTitlePacket.setType(SetTitlePacket.Type.SET_ACTIONBAR_MESSAGE);
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setTitlePacket.setText(text);
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setTitlePacket.setFadeInTime(0);
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setTitlePacket.setStayTime(0);
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setTitlePacket.setFadeOutTime(0);
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upstream.sendPacket(setTitlePacket);
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}
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@Override
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public boolean isConsole() {
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return false;
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}
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public void sendForm(FormWindow window, int id) {
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windowCache.showWindow(window, id);
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}
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public void setRenderDistance(int renderDistance) {
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renderDistance = GenericMath.ceil(++renderDistance * TrigMath.SQRT_OF_TWO); //square to circle
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if (renderDistance > 32) renderDistance = 32; // <3 u ViaVersion but I don't like crashing clients x)
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this.renderDistance = renderDistance;
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ChunkRadiusUpdatedPacket chunkRadiusUpdatedPacket = new ChunkRadiusUpdatedPacket();
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chunkRadiusUpdatedPacket.setRadius(renderDistance);
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upstream.sendPacket(chunkRadiusUpdatedPacket);
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}
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public InetSocketAddress getSocketAddress() {
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return this.upstream.getAddress();
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}
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public void sendForm(FormWindow window) {
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windowCache.showWindow(window);
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}
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private void startGame() {
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StartGamePacket startGamePacket = new StartGamePacket();
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startGamePacket.setUniqueEntityId(playerEntity.getGeyserId());
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startGamePacket.setRuntimeEntityId(playerEntity.getGeyserId());
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startGamePacket.setPlayerGamemode(0);
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startGamePacket.setPlayerPosition(Vector3f.from(0, 69, 0));
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startGamePacket.setRotation(Vector2f.from(1, 1));
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startGamePacket.setSeed(-1);
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startGamePacket.setDimensionId(playerEntity.getDimension());
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startGamePacket.setGeneratorId(1);
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startGamePacket.setLevelGamemode(0);
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startGamePacket.setDifficulty(1);
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startGamePacket.setDefaultSpawn(Vector3i.ZERO);
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startGamePacket.setAchievementsDisabled(true);
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startGamePacket.setTime(-1);
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startGamePacket.setEduEditionOffers(0);
|
|
startGamePacket.setEduFeaturesEnabled(false);
|
|
startGamePacket.setRainLevel(0);
|
|
startGamePacket.setLightningLevel(0);
|
|
startGamePacket.setMultiplayerGame(true);
|
|
startGamePacket.setBroadcastingToLan(true);
|
|
startGamePacket.getGamerules().add(new GameRuleData<>("showcoordinates", true));
|
|
startGamePacket.setPlatformBroadcastMode(GamePublishSetting.PUBLIC);
|
|
startGamePacket.setXblBroadcastMode(GamePublishSetting.PUBLIC);
|
|
startGamePacket.setCommandsEnabled(true);
|
|
startGamePacket.setTexturePacksRequired(false);
|
|
startGamePacket.setBonusChestEnabled(false);
|
|
startGamePacket.setStartingWithMap(false);
|
|
startGamePacket.setTrustingPlayers(true);
|
|
startGamePacket.setDefaultPlayerPermission(PlayerPermission.MEMBER);
|
|
startGamePacket.setServerChunkTickRange(4);
|
|
startGamePacket.setBehaviorPackLocked(false);
|
|
startGamePacket.setResourcePackLocked(false);
|
|
startGamePacket.setFromLockedWorldTemplate(false);
|
|
startGamePacket.setUsingMsaGamertagsOnly(false);
|
|
startGamePacket.setFromWorldTemplate(false);
|
|
startGamePacket.setWorldTemplateOptionLocked(false);
|
|
|
|
startGamePacket.setLevelId("world");
|
|
startGamePacket.setWorldName("world");
|
|
startGamePacket.setPremiumWorldTemplateId("00000000-0000-0000-0000-000000000000");
|
|
// startGamePacket.setCurrentTick(0);
|
|
startGamePacket.setEnchantmentSeed(0);
|
|
startGamePacket.setMultiplayerCorrelationId("");
|
|
startGamePacket.setBlockPalette(BlockTranslator.BLOCKS);
|
|
startGamePacket.setItemEntries(ItemRegistry.ITEMS);
|
|
startGamePacket.setVanillaVersion("*");
|
|
// startGamePacket.setMovementServerAuthoritative(true);
|
|
upstream.sendPacket(startGamePacket);
|
|
}
|
|
|
|
public boolean confirmTeleport(Vector3d position) {
|
|
if (teleportCache != null) {
|
|
if (!teleportCache.canConfirm(position)) {
|
|
GeyserConnector.getInstance().getLogger().debug("Unconfirmed Teleport " + teleportCache.getTeleportConfirmId()
|
|
+ " Ignore movement " + position + " expected " + teleportCache);
|
|
return false;
|
|
}
|
|
int teleportId = teleportCache.getTeleportConfirmId();
|
|
teleportCache = null;
|
|
ClientTeleportConfirmPacket teleportConfirmPacket = new ClientTeleportConfirmPacket(teleportId);
|
|
sendDownstreamPacket(teleportConfirmPacket);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Queue a packet to be sent to player.
|
|
*
|
|
* @param packet the bedrock packet from the NukkitX protocol lib
|
|
*/
|
|
public void sendUpstreamPacket(BedrockPacket packet) {
|
|
if (upstream != null && !upstream.isClosed()) {
|
|
upstream.sendPacket(packet);
|
|
} else {
|
|
connector.getLogger().debug("Tried to send upstream packet " + packet.getClass().getSimpleName() + " but the session was null");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Send a packet immediately to the player.
|
|
*
|
|
* @param packet the bedrock packet from the NukkitX protocol lib
|
|
*/
|
|
public void sendUpstreamPacketImmediately(BedrockPacket packet) {
|
|
if (upstream != null && !upstream.isClosed()) {
|
|
upstream.sendPacketImmediately(packet);
|
|
} else {
|
|
connector.getLogger().debug("Tried to send upstream packet " + packet.getClass().getSimpleName() + " immediately but the session was null");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Send a packet to the remote server.
|
|
*
|
|
* @param packet the java edition packet from MCProtocolLib
|
|
*/
|
|
public void sendDownstreamPacket(Packet packet) {
|
|
if (downstream != null && downstream.getSession() != null && protocol.getSubProtocol().equals(SubProtocol.GAME)) {
|
|
downstream.getSession().send(packet);
|
|
} else {
|
|
connector.getLogger().debug("Tried to send downstream packet " + packet.getClass().getSimpleName() + " before connected to the server");
|
|
}
|
|
}
|
|
}
|