226 lines
12 KiB
Java
226 lines
12 KiB
Java
/*
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* This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
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* Copyright (C) 2016-2021 ViaVersion and contributors
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package com.viaversion.viaversion.protocols.protocol1_14to1_13_2.packets;
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import com.viaversion.viaversion.api.minecraft.Position;
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import com.viaversion.viaversion.api.minecraft.entities.Entity1_13Types;
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import com.viaversion.viaversion.api.minecraft.entities.Entity1_14Types;
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import com.viaversion.viaversion.api.minecraft.entities.EntityType;
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import com.viaversion.viaversion.api.minecraft.metadata.Metadata;
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import com.viaversion.viaversion.api.minecraft.metadata.types.MetaType1_14;
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import com.viaversion.viaversion.api.protocol.packet.PacketWrapper;
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import com.viaversion.viaversion.api.protocol.remapper.PacketHandler;
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import com.viaversion.viaversion.api.protocol.remapper.PacketRemapper;
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import com.viaversion.viaversion.api.type.Type;
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import com.viaversion.viaversion.api.type.types.version.Types1_13_2;
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import com.viaversion.viaversion.api.type.types.version.Types1_14;
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import com.viaversion.viaversion.protocols.protocol1_13to1_12_2.ClientboundPackets1_13;
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import com.viaversion.viaversion.protocols.protocol1_14to1_13_2.ClientboundPackets1_14;
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import com.viaversion.viaversion.protocols.protocol1_14to1_13_2.Protocol1_14To1_13_2;
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import com.viaversion.viaversion.protocols.protocol1_14to1_13_2.metadata.MetadataRewriter1_14To1_13_2;
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import com.viaversion.viaversion.protocols.protocol1_14to1_13_2.storage.EntityTracker1_14;
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import java.util.LinkedList;
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import java.util.List;
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public class EntityPackets {
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public static void register(Protocol1_14To1_13_2 protocol) {
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MetadataRewriter1_14To1_13_2 metadataRewriter = protocol.get(MetadataRewriter1_14To1_13_2.class);
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protocol.registerClientbound(ClientboundPackets1_13.SPAWN_ENTITY, new PacketRemapper() {
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@Override
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public void registerMap() {
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map(Type.VAR_INT); // 0 - Entity id
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map(Type.UUID); // 1 - UUID
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map(Type.BYTE, Type.VAR_INT); // 2 - Type
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map(Type.DOUBLE); // 3 - X
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map(Type.DOUBLE); // 4 - Y
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map(Type.DOUBLE); // 5 - Z
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map(Type.BYTE); // 6 - Pitch
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map(Type.BYTE); // 7 - Yaw
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map(Type.INT); // 8 - Data
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map(Type.SHORT); // 9 - Velocity X
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map(Type.SHORT); // 10 - Velocity Y
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map(Type.SHORT); // 11 - Velocity Z
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// Track Entity
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handler(new PacketHandler() {
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@Override
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public void handle(PacketWrapper wrapper) throws Exception {
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int entityId = wrapper.get(Type.VAR_INT, 0);
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int typeId = wrapper.get(Type.VAR_INT, 1);
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Entity1_13Types.EntityType type1_13 = Entity1_13Types.getTypeFromId(typeId, true);
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typeId = metadataRewriter.newEntityId(type1_13.getId());
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EntityType type1_14 = Entity1_14Types.getTypeFromId(typeId);
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if (type1_14 != null) {
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int data = wrapper.get(Type.INT, 0);
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if (type1_14.is(Entity1_14Types.FALLING_BLOCK)) {
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wrapper.set(Type.INT, 0, protocol.getMappingData().getNewBlockStateId(data));
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} else if (type1_14.is(Entity1_14Types.MINECART)) {
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// default is 0 = rideable minecart
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switch (data) {
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case 1:
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typeId = Entity1_14Types.CHEST_MINECART.getId();
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break;
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case 2:
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typeId = Entity1_14Types.FURNACE_MINECART.getId();
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break;
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case 3:
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typeId = Entity1_14Types.TNT_MINECART.getId();
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break;
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case 4:
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typeId = Entity1_14Types.SPAWNER_MINECART.getId();
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break;
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case 5:
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typeId = Entity1_14Types.HOPPER_MINECART.getId();
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break;
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case 6:
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typeId = Entity1_14Types.COMMAND_BLOCK_MINECART.getId();
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break;
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}
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} else if ((type1_14.is(Entity1_14Types.ITEM) && data > 0)
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|| type1_14.isOrHasParent(Entity1_14Types.ABSTRACT_ARROW)) {
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if (type1_14.isOrHasParent(Entity1_14Types.ABSTRACT_ARROW)) {
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wrapper.set(Type.INT, 0, data - 1);
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}
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// send velocity in separate packet, 1.14 is now ignoring the velocity
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PacketWrapper velocity = wrapper.create(0x45);
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velocity.write(Type.VAR_INT, entityId);
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velocity.write(Type.SHORT, wrapper.get(Type.SHORT, 0));
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velocity.write(Type.SHORT, wrapper.get(Type.SHORT, 1));
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velocity.write(Type.SHORT, wrapper.get(Type.SHORT, 2));
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velocity.send(Protocol1_14To1_13_2.class);
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}
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// Register Type ID
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wrapper.user().getEntityTracker(Protocol1_14To1_13_2.class).addEntity(entityId, type1_14);
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}
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wrapper.set(Type.VAR_INT, 1, typeId);
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}
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});
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}
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});
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protocol.registerClientbound(ClientboundPackets1_13.SPAWN_MOB, new PacketRemapper() {
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@Override
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public void registerMap() {
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map(Type.VAR_INT); // 0 - Entity ID
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map(Type.UUID); // 1 - Entity UUID
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map(Type.VAR_INT); // 2 - Entity Type
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map(Type.DOUBLE); // 3 - X
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map(Type.DOUBLE); // 4 - Y
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map(Type.DOUBLE); // 5 - Z
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map(Type.BYTE); // 6 - Yaw
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map(Type.BYTE); // 7 - Pitch
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map(Type.BYTE); // 8 - Head Pitch
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map(Type.SHORT); // 9 - Velocity X
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map(Type.SHORT); // 10 - Velocity Y
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map(Type.SHORT); // 11 - Velocity Z
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map(Types1_13_2.METADATA_LIST, Types1_14.METADATA_LIST); // 12 - Metadata
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handler(metadataRewriter.trackerAndRewriterHandler(Types1_14.METADATA_LIST));
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}
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});
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protocol.registerClientbound(ClientboundPackets1_13.SPAWN_PAINTING, new PacketRemapper() {
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@Override
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public void registerMap() {
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map(Type.VAR_INT);
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map(Type.UUID);
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map(Type.VAR_INT);
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map(Type.POSITION, Type.POSITION1_14);
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map(Type.BYTE);
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}
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});
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protocol.registerClientbound(ClientboundPackets1_13.SPAWN_PLAYER, new PacketRemapper() {
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@Override
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public void registerMap() {
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map(Type.VAR_INT); // 0 - Entity ID
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map(Type.UUID); // 1 - Player UUID
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map(Type.DOUBLE); // 2 - X
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map(Type.DOUBLE); // 3 - Y
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map(Type.DOUBLE); // 4 - Z
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map(Type.BYTE); // 5 - Yaw
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map(Type.BYTE); // 6 - Pitch
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map(Types1_13_2.METADATA_LIST, Types1_14.METADATA_LIST); // 7 - Metadata
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handler(metadataRewriter.trackerAndRewriterHandler(Types1_14.METADATA_LIST, Entity1_14Types.PLAYER));
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}
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});
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protocol.registerClientbound(ClientboundPackets1_13.ENTITY_ANIMATION, new PacketRemapper() {
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@Override
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public void registerMap() {
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map(Type.VAR_INT);
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handler(new PacketHandler() {
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@Override
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public void handle(PacketWrapper wrapper) throws Exception {
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short animation = wrapper.passthrough(Type.UNSIGNED_BYTE);
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if (animation == 2) { //Leave bed
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EntityTracker1_14 tracker = wrapper.user().getEntityTracker(Protocol1_14To1_13_2.class);
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int entityId = wrapper.get(Type.VAR_INT, 0);
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tracker.setSleeping(entityId, false);
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PacketWrapper metadataPacket = wrapper.create(0x43);
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metadataPacket.write(Type.VAR_INT, entityId);
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List<Metadata> metadataList = new LinkedList<>();
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if (tracker.clientEntityId() != entityId) {
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metadataList.add(new Metadata(6, MetaType1_14.Pose, MetadataRewriter1_14To1_13_2.recalculatePlayerPose(entityId, tracker)));
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}
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metadataList.add(new Metadata(12, MetaType1_14.OptPosition, null));
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metadataPacket.write(Types1_14.METADATA_LIST, metadataList);
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metadataPacket.send(Protocol1_14To1_13_2.class);
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}
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}
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});
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}
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});
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protocol.registerClientbound(ClientboundPackets1_13.USE_BED, ClientboundPackets1_14.ENTITY_METADATA, new PacketRemapper() {
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@Override
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public void registerMap() {
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map(Type.VAR_INT);
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handler(new PacketHandler() {
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@Override
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public void handle(PacketWrapper wrapper) throws Exception {
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EntityTracker1_14 tracker = wrapper.user().getEntityTracker(Protocol1_14To1_13_2.class);
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int entityId = wrapper.get(Type.VAR_INT, 0);
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tracker.setSleeping(entityId, true);
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Position position = wrapper.read(Type.POSITION);
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List<Metadata> metadataList = new LinkedList<>();
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metadataList.add(new Metadata(12, MetaType1_14.OptPosition, position));
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if (tracker.clientEntityId() != entityId) {
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metadataList.add(new Metadata(6, MetaType1_14.Pose, MetadataRewriter1_14To1_13_2.recalculatePlayerPose(entityId, tracker)));
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}
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wrapper.write(Types1_14.METADATA_LIST, metadataList);
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}
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});
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}
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});
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metadataRewriter.registerRemoveEntities(ClientboundPackets1_13.DESTROY_ENTITIES);
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metadataRewriter.registerMetadataRewriter(ClientboundPackets1_13.ENTITY_METADATA, Types1_13_2.METADATA_LIST, Types1_14.METADATA_LIST);
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}
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}
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