/* * Copyright (c) 2019-2021 GeyserMC. http://geysermc.org * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. * * @author GeyserMC * @link https://github.com/GeyserMC/Geyser */package org.geysermc.connector.network.translators.java.entity.player;import com.github.steveice10.mc.protocol.data.game.PlayerListEntry;import com.github.steveice10.mc.protocol.data.game.PlayerListEntryAction;import com.github.steveice10.mc.protocol.packet.ingame.server.ServerPlayerListEntryPacket;import com.nukkitx.math.vector.Vector3f;import com.nukkitx.protocol.bedrock.packet.PlayerListPacket;import org.geysermc.connector.GeyserConnector;import org.geysermc.connector.entity.player.PlayerEntity;import org.geysermc.connector.network.session.GeyserSession;import org.geysermc.connector.network.translators.PacketTranslator;import org.geysermc.connector.network.translators.Translator;import org.geysermc.connector.skin.SkinManager;@Translator(packet = ServerPlayerListEntryPacket.class)public class JavaPlayerListEntryTranslator extends PacketTranslator<ServerPlayerListEntryPacket> {    @Override    public void translate(GeyserSession session, ServerPlayerListEntryPacket packet) {        if (packet.getAction() != PlayerListEntryAction.ADD_PLAYER && packet.getAction() != PlayerListEntryAction.REMOVE_PLAYER)            return;        PlayerListPacket translate = new PlayerListPacket();        translate.setAction(packet.getAction() == PlayerListEntryAction.ADD_PLAYER ? PlayerListPacket.Action.ADD : PlayerListPacket.Action.REMOVE);        for (PlayerListEntry entry : packet.getEntries()) {            switch (packet.getAction()) {                case ADD_PLAYER:                    PlayerEntity playerEntity;                    boolean self = entry.getProfile().getId().equals(session.getPlayerEntity().getUuid());                    if (self) {                        // Entity is ourself                        playerEntity = session.getPlayerEntity();                    } else {                        playerEntity = session.getEntityCache().getPlayerEntity(entry.getProfile().getId());                    }                    if (playerEntity == null) {                        // It's a new player                        playerEntity = new PlayerEntity(                                entry.getProfile(),                                -1,                                session.getEntityCache().getNextEntityId().incrementAndGet(),                                Vector3f.ZERO,                                Vector3f.ZERO,                                Vector3f.ZERO                        );                        session.getEntityCache().addPlayerEntity(playerEntity);                    } else {                        playerEntity.setProfile(entry.getProfile());                    }                    playerEntity.setPlayerList(true);                    // We'll send our own PlayerListEntry in requestAndHandleSkinAndCape                    // But we need to send other player's entries so they show up in the player list                    // without processing their skin information - that'll be processed when they spawn in                    if (self) {                        SkinManager.requestAndHandleSkinAndCape(playerEntity, session, skinAndCape ->                                GeyserConnector.getInstance().getLogger().debug("Loaded Local Bedrock Java Skin Data for " + session.getClientData().getUsername()));                    } else {                        playerEntity.setValid(true);                        PlayerListPacket.Entry playerListEntry = SkinManager.buildCachedEntry(session, playerEntity);                        translate.getEntries().add(playerListEntry);                    }                    break;                case REMOVE_PLAYER:                    // As the player entity is no longer present, we can remove the entry                    PlayerEntity entity = session.getEntityCache().removePlayerEntity(entry.getProfile().getId());                    if (entity != null) {                        // Just remove the entity's player list status                        // Don't despawn the entity - the Java server will also take care of that.                        entity.setPlayerList(false);                    }                    if (entity == session.getPlayerEntity()) {                        // If removing ourself we use our AuthData UUID                        translate.getEntries().add(new PlayerListPacket.Entry(session.getAuthData().getUUID()));                    } else {                        translate.getEntries().add(new PlayerListPacket.Entry(entry.getProfile().getId()));                    }                    break;            }        }        if (!translate.getEntries().isEmpty() && (packet.getAction() == PlayerListEntryAction.REMOVE_PLAYER || session.getUpstream().isInitialized())) {            session.sendUpstreamPacket(translate);        }    }}