361 lines
15 KiB
Java
361 lines
15 KiB
Java
/*
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* This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
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* Copyright (C) 2016-2024 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_11to1_10;
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import com.github.steveice10.opennbt.tag.builtin.CompoundTag;
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import com.github.steveice10.opennbt.tag.builtin.StringTag;
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import com.viaversion.viaversion.api.Via;
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import com.viaversion.viaversion.api.connection.UserConnection;
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import com.viaversion.viaversion.api.minecraft.chunks.Chunk;
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import com.viaversion.viaversion.api.minecraft.entities.EntityTypes1_11;
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import com.viaversion.viaversion.api.protocol.AbstractProtocol;
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import com.viaversion.viaversion.api.protocol.packet.PacketWrapper;
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import com.viaversion.viaversion.api.protocol.remapper.PacketHandlers;
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import com.viaversion.viaversion.api.protocol.remapper.ValueTransformer;
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import com.viaversion.viaversion.api.type.Type;
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import com.viaversion.viaversion.api.type.types.version.Types1_9;
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import com.viaversion.viaversion.protocols.protocol1_11to1_10.data.PotionColorMapping;
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import com.viaversion.viaversion.protocols.protocol1_11to1_10.metadata.MetadataRewriter1_11To1_10;
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import com.viaversion.viaversion.protocols.protocol1_11to1_10.packets.InventoryPackets;
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import com.viaversion.viaversion.protocols.protocol1_11to1_10.storage.EntityTracker1_11;
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import com.viaversion.viaversion.protocols.protocol1_9_3to1_9_1_2.ClientboundPackets1_9_3;
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import com.viaversion.viaversion.protocols.protocol1_9_3to1_9_1_2.ServerboundPackets1_9_3;
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import com.viaversion.viaversion.api.type.types.chunk.ChunkType1_9_3;
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import com.viaversion.viaversion.api.minecraft.ClientWorld;
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import com.viaversion.viaversion.rewriter.SoundRewriter;
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import com.viaversion.viaversion.util.Pair;
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public class Protocol1_11To1_10 extends AbstractProtocol<ClientboundPackets1_9_3, ClientboundPackets1_9_3, ServerboundPackets1_9_3, ServerboundPackets1_9_3> {
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private static final ValueTransformer<Float, Short> toOldByte = new ValueTransformer<Float, Short>(Type.UNSIGNED_BYTE) {
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@Override
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public Short transform(PacketWrapper wrapper, Float inputValue) throws Exception {
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return (short) (inputValue * 16);
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}
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};
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private final MetadataRewriter1_11To1_10 entityRewriter = new MetadataRewriter1_11To1_10(this);
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private final InventoryPackets itemRewriter = new InventoryPackets(this);
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public Protocol1_11To1_10() {
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super(ClientboundPackets1_9_3.class, ClientboundPackets1_9_3.class, ServerboundPackets1_9_3.class, ServerboundPackets1_9_3.class);
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}
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@Override
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protected void registerPackets() {
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super.registerPackets();
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registerClientbound(ClientboundPackets1_9_3.SPAWN_ENTITY, new PacketHandlers() {
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@Override
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public void register() {
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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); // 2 - Type
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// Track Entity
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handler(entityRewriter.objectTrackerHandler());
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}
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});
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registerClientbound(ClientboundPackets1_9_3.SPAWN_MOB, new PacketHandlers() {
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@Override
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public void register() {
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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.UNSIGNED_BYTE, 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_9.METADATA_LIST); // 12 - Metadata
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handler(wrapper -> {
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int entityId = wrapper.get(Type.VAR_INT, 0);
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// Change Type :)
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int type = wrapper.get(Type.VAR_INT, 1);
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EntityTypes1_11.EntityType entType = MetadataRewriter1_11To1_10.rewriteEntityType(type, wrapper.get(Types1_9.METADATA_LIST, 0));
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if (entType != null) {
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wrapper.set(Type.VAR_INT, 1, entType.getId());
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// Register Type ID
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wrapper.user().getEntityTracker(Protocol1_11To1_10.class).addEntity(entityId, entType);
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entityRewriter.handleMetadata(entityId, wrapper.get(Types1_9.METADATA_LIST, 0), wrapper.user());
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}
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});
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}
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});
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new SoundRewriter<>(this, this::getNewSoundId).registerSound(ClientboundPackets1_9_3.SOUND);
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registerClientbound(ClientboundPackets1_9_3.COLLECT_ITEM, new PacketHandlers() {
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@Override
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public void register() {
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map(Type.VAR_INT); // 0 - Collected entity id
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map(Type.VAR_INT); // 1 - Collector entity id
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handler(wrapper -> {
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wrapper.write(Type.VAR_INT, 1); // 2 - Pickup Count
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});
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}
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});
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entityRewriter.registerMetadataRewriter(ClientboundPackets1_9_3.ENTITY_METADATA, Types1_9.METADATA_LIST);
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registerClientbound(ClientboundPackets1_9_3.ENTITY_TELEPORT, new PacketHandlers() {
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@Override
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public void register() {
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map(Type.VAR_INT); // 0 - Entity id
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map(Type.DOUBLE); // 1 - x
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map(Type.DOUBLE); // 2 - y
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map(Type.DOUBLE); // 3 - z
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map(Type.BYTE); // 4 - yaw
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map(Type.BYTE); // 5 - pitch
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map(Type.BOOLEAN); // 6 - onGround
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handler(wrapper -> {
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int entityID = wrapper.get(Type.VAR_INT, 0);
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if (Via.getConfig().isHologramPatch()) {
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EntityTracker1_11 tracker = wrapper.user().getEntityTracker(Protocol1_11To1_10.class);
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if (tracker.isHologram(entityID)) {
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Double newValue = wrapper.get(Type.DOUBLE, 1);
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newValue -= (Via.getConfig().getHologramYOffset());
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wrapper.set(Type.DOUBLE, 1, newValue);
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}
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}
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});
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}
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});
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entityRewriter.registerRemoveEntities(ClientboundPackets1_9_3.DESTROY_ENTITIES);
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registerClientbound(ClientboundPackets1_9_3.TITLE, new PacketHandlers() {
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@Override
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public void register() {
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map(Type.VAR_INT); // 0 - Action
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handler(wrapper -> {
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int action = wrapper.get(Type.VAR_INT, 0);
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// Handle the new ActionBar
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if (action >= 2) {
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wrapper.set(Type.VAR_INT, 0, action + 1);
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}
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});
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}
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});
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registerClientbound(ClientboundPackets1_9_3.BLOCK_ACTION, new PacketHandlers() {
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@Override
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public void register() {
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map(Type.POSITION1_8); // 0 - Position
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map(Type.UNSIGNED_BYTE); // 1 - Action ID
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map(Type.UNSIGNED_BYTE); // 2 - Action Param
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map(Type.VAR_INT); // 3 - Block Type
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// Cheap hack to ensure it's always right block
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handler(actionWrapper -> {
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if (Via.getConfig().isPistonAnimationPatch()) {
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int id = actionWrapper.get(Type.VAR_INT, 0);
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if (id == 33 || id == 29) {
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actionWrapper.cancel();
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}
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}
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});
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}
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});
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registerClientbound(ClientboundPackets1_9_3.BLOCK_ENTITY_DATA, new PacketHandlers() {
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@Override
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public void register() {
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map(Type.POSITION1_8); // 0 - Position
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map(Type.UNSIGNED_BYTE); // 1 - Action
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map(Type.NAMED_COMPOUND_TAG); // 2 - NBT data
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handler(wrapper -> {
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CompoundTag tag = wrapper.get(Type.NAMED_COMPOUND_TAG, 0);
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if (wrapper.get(Type.UNSIGNED_BYTE, 0) == 1)
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EntityIdRewriter.toClientSpawner(tag);
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if (tag.contains("id"))
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// Handle new identifier
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((StringTag) tag.get("id")).setValue(BlockEntityRewriter.toNewIdentifier((String) tag.get("id").getValue()));
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});
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}
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});
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registerClientbound(ClientboundPackets1_9_3.CHUNK_DATA, wrapper -> {
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ClientWorld clientWorld = wrapper.user().get(ClientWorld.class);
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Chunk chunk = wrapper.passthrough(ChunkType1_9_3.forEnvironment(clientWorld.getEnvironment()));
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if (chunk.getBlockEntities() == null) return;
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for (CompoundTag tag : chunk.getBlockEntities()) {
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if (tag.contains("id")) {
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String identifier = ((StringTag) tag.get("id")).getValue();
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if (identifier.equals("MobSpawner")) {
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EntityIdRewriter.toClientSpawner(tag);
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}
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// Handle new identifier
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((StringTag) tag.get("id")).setValue(BlockEntityRewriter.toNewIdentifier(identifier));
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}
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}
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});
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registerClientbound(ClientboundPackets1_9_3.JOIN_GAME, new PacketHandlers() {
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@Override
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public void register() {
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map(Type.INT); // 0 - Entity ID
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map(Type.UNSIGNED_BYTE); // 1 - Gamemode
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map(Type.INT); // 2 - Dimension
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handler(wrapper -> {
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ClientWorld clientChunks = wrapper.user().get(ClientWorld.class);
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int dimensionId = wrapper.get(Type.INT, 1);
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clientChunks.setEnvironment(dimensionId);
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});
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}
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});
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registerClientbound(ClientboundPackets1_9_3.RESPAWN, new PacketHandlers() {
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@Override
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public void register() {
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map(Type.INT);
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handler(wrapper -> {
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ClientWorld clientWorld = wrapper.user().get(ClientWorld.class);
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int dimensionId = wrapper.get(Type.INT, 0);
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clientWorld.setEnvironment(dimensionId);
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});
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}
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});
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this.registerClientbound(ClientboundPackets1_9_3.EFFECT, new PacketHandlers() {
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@Override
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public void register() {
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this.map(Type.INT); //effectID
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this.map(Type.POSITION1_8); //pos
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this.map(Type.INT); //effectData
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this.map(Type.BOOLEAN); //serverwide / global
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handler(packetWrapper -> {
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int effectID = packetWrapper.get(Type.INT, 0);
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if (effectID == 2002) {
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int data = packetWrapper.get(Type.INT, 1);
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boolean isInstant = false;
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Pair<Integer, Boolean> newData = PotionColorMapping.getNewData(data);
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if (newData == null) {
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Via.getPlatform().getLogger().warning("Received unknown 1.11 -> 1.10.2 potion data (" + data + ")");
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data = 0;
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} else {
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data = newData.key();
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isInstant = newData.value();
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}
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if (isInstant) {
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packetWrapper.set(Type.INT, 0, 2007);
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}
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packetWrapper.set(Type.INT, 1, data);
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}
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});
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}
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});
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/*
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INCOMING PACKETS
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*/
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registerServerbound(ServerboundPackets1_9_3.PLAYER_BLOCK_PLACEMENT, new PacketHandlers() {
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@Override
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public void register() {
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map(Type.POSITION1_8); // 0 - Location
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map(Type.VAR_INT); // 1 - Face
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map(Type.VAR_INT); // 2 - Hand
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map(Type.FLOAT, toOldByte);
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map(Type.FLOAT, toOldByte);
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map(Type.FLOAT, toOldByte);
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}
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});
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registerServerbound(ServerboundPackets1_9_3.CHAT_MESSAGE, new PacketHandlers() {
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@Override
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public void register() {
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map(Type.STRING); // 0 - Message
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handler(wrapper -> {
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// 100 character limit on older servers
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String msg = wrapper.get(Type.STRING, 0);
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if (msg.length() > 100) {
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wrapper.set(Type.STRING, 0, msg.substring(0, 100));
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}
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});
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}
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});
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}
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private int getNewSoundId(int id) {
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if (id == 196) // Experience orb sound got removed
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return -1;
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if (id >= 85) // Shulker boxes
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id += 2;
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if (id >= 176) // Guardian flop
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id += 1;
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if (id >= 197) // evocation things
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id += 8;
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if (id >= 207) // Rip the Experience orb touch sound :'(
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id -= 1;
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if (id >= 279) // Liama's
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id += 9;
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if (id >= 296) // Mule chest
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id += 1;
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if (id >= 390) // Vex
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id += 4;
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if (id >= 400) // vindication
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id += 3;
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if (id >= 450) // Elytra
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id += 1;
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if (id >= 455) // Empty bottle
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id += 1;
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if (id >= 470) // Totem use
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id += 1;
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return id;
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}
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@Override
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public void init(UserConnection userConnection) {
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// Entity tracker
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userConnection.addEntityTracker(this.getClass(), new EntityTracker1_11(userConnection));
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if (!userConnection.has(ClientWorld.class))
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userConnection.put(new ClientWorld());
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}
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@Override
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public MetadataRewriter1_11To1_10 getEntityRewriter() {
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return entityRewriter;
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}
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@Override
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public InventoryPackets getItemRewriter() {
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return itemRewriter;
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}
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}
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