207 lines
10 KiB
Java
207 lines
10 KiB
Java
/*
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* This file is part of ViaLegacy - https://github.com/RaphiMC/ViaLegacy
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* Copyright (C) 2020-2024 RK_01/RaphiMC 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 net.raphimc.vialegacy.protocols.beta.protocolb1_2_0_2tob1_1_2;
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import com.google.common.collect.Lists;
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import com.viaversion.viaversion.api.connection.UserConnection;
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import com.viaversion.viaversion.api.minecraft.item.DataItem;
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import com.viaversion.viaversion.api.minecraft.metadata.Metadata;
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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.type.Type;
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import net.raphimc.vialegacy.api.model.IdAndData;
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import net.raphimc.vialegacy.api.protocol.StatelessProtocol;
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import net.raphimc.vialegacy.api.splitter.PreNettySplitter;
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import net.raphimc.vialegacy.protocols.beta.protocolb1_2_0_2tob1_1_2.rewriter.BlockDataRewriter;
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import net.raphimc.vialegacy.protocols.beta.protocolb1_2_0_2tob1_1_2.storage.EntityFlagStorage;
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import net.raphimc.vialegacy.protocols.beta.protocolb1_2_0_2tob1_1_2.types.Typesb1_1;
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import net.raphimc.vialegacy.protocols.beta.protocolb1_3_0_1tob1_2_0_2.ClientboundPacketsb1_2;
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import net.raphimc.vialegacy.protocols.beta.protocolb1_3_0_1tob1_2_0_2.ServerboundPacketsb1_2;
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import net.raphimc.vialegacy.protocols.beta.protocolb1_3_0_1tob1_2_0_2.types.MetaTypeb1_2;
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import net.raphimc.vialegacy.protocols.beta.protocolb1_3_0_1tob1_2_0_2.types.Typesb1_2;
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import net.raphimc.vialegacy.protocols.release.protocol1_2_1_3to1_1.types.Types1_1;
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import net.raphimc.vialegacy.protocols.release.protocol1_4_2to1_3_1_2.types.Types1_3_1;
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import net.raphimc.vialegacy.protocols.release.protocol1_4_4_5to1_4_2.types.Types1_4_2;
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import net.raphimc.vialegacy.protocols.release.protocol1_8to1_7_6_10.types.Types1_7_6;
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public class Protocolb1_2_0_2tob1_1_2 extends StatelessProtocol<ClientboundPacketsb1_1, ClientboundPacketsb1_2, ServerboundPacketsb1_1, ServerboundPacketsb1_2> {
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private final BlockDataRewriter BLOCK_DATA_REWRITER = new BlockDataRewriter();
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public Protocolb1_2_0_2tob1_1_2() {
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super(ClientboundPacketsb1_1.class, ClientboundPacketsb1_2.class, ServerboundPacketsb1_1.class, ServerboundPacketsb1_2.class);
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}
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@Override
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protected void registerPackets() {
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this.registerClientbound(ClientboundPacketsb1_1.ENTITY_EQUIPMENT, new PacketHandlers() {
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@Override
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public void register() {
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map(Type.INT); // entity id
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map(Type.SHORT); // slot
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map(Type.SHORT); // item id
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create(Type.SHORT, (short) 0); // item damage
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}
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});
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this.registerClientbound(ClientboundPacketsb1_1.ENTITY_ANIMATION, new PacketHandlers() {
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@Override
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public void register() {
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map(Type.INT); // entity id
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map(Type.BYTE); // animation id
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handler(wrapper -> {
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final int entityId = wrapper.get(Type.INT, 0);
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final byte animationId = wrapper.get(Type.BYTE, 0);
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if (animationId <= 2) return; // 1 - Swing | 2 - Hurt
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wrapper.cancel();
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final EntityFlagStorage entityFlagStorage = wrapper.user().get(EntityFlagStorage.class);
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final int oldMask = entityFlagStorage.getFlagMask(entityId);
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switch (animationId) {
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case 100: // start riding
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entityFlagStorage.setFlag(entityId, 2, true);
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break;
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case 101: // stop riding
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entityFlagStorage.setFlag(entityId, 2, false);
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break;
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case 102: // start burning
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entityFlagStorage.setFlag(entityId, 0, true);
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break;
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case 103: // stop burning
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entityFlagStorage.setFlag(entityId, 0, false);
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break;
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case 104: // start sneaking
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entityFlagStorage.setFlag(entityId, 1, true);
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break;
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case 105: // stop sneaking
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entityFlagStorage.setFlag(entityId, 1, false);
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break;
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}
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if (oldMask != entityFlagStorage.getFlagMask(entityId)) {
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final PacketWrapper metadata = PacketWrapper.create(ClientboundPacketsb1_2.ENTITY_METADATA, wrapper.user());
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metadata.write(Type.INT, wrapper.get(Type.INT, 0)); // entity id
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metadata.write(Typesb1_2.METADATA_LIST, Lists.newArrayList(new Metadata(0, MetaTypeb1_2.Byte, (byte) entityFlagStorage.getFlagMask(entityId)))); // metadata
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metadata.send(Protocolb1_2_0_2tob1_1_2.class);
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}
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});
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}
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});
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this.registerClientbound(ClientboundPacketsb1_1.SPAWN_ITEM, new PacketHandlers() {
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@Override
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public void register() {
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map(Type.INT); // entity id
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handler(wrapper -> {
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final short itemId = wrapper.read(Type.SHORT); // item id
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final byte itemCount = wrapper.read(Type.BYTE); // item count
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wrapper.write(Types1_3_1.NBTLESS_ITEM, new DataItem(itemId, itemCount, (short) 0, null)); // item
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});
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map(Type.INT); // x
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map(Type.INT); // y
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map(Type.INT); // z
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map(Type.BYTE); // velocity x
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map(Type.BYTE); // velocity y
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map(Type.BYTE); // velocity z
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}
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});
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this.registerClientbound(ClientboundPacketsb1_1.SPAWN_MOB, new PacketHandlers() {
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@Override
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public void register() {
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map(Type.INT); // entity id
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map(Type.UNSIGNED_BYTE); // type id
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map(Type.INT); // x
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map(Type.INT); // y
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map(Type.INT); // z
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map(Type.BYTE); // yaw
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map(Type.BYTE); // pitch
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handler(wrapper -> wrapper.write(Typesb1_2.METADATA_LIST, Lists.newArrayList(new Metadata(0, MetaTypeb1_2.Byte, (byte) 0)))); // metadata
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}
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});
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this.registerClientbound(ClientboundPacketsb1_1.CHUNK_DATA, new PacketHandlers() {
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@Override
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public void register() {
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handler(wrapper -> BLOCK_DATA_REWRITER.remapChunk(wrapper.passthrough(Types1_1.CHUNK))); // chunk
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}
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});
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this.registerClientbound(ClientboundPacketsb1_1.MULTI_BLOCK_CHANGE, new PacketHandlers() {
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@Override
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public void register() {
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map(Type.INT); // chunkX
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map(Type.INT); // chunkZ
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map(Types1_1.BLOCK_CHANGE_RECORD_ARRAY); // blockChangeRecords
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handler(wrapper -> BLOCK_DATA_REWRITER.remapBlockChangeRecords(wrapper.get(Types1_1.BLOCK_CHANGE_RECORD_ARRAY, 0)));
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}
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});
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this.registerClientbound(ClientboundPacketsb1_1.BLOCK_CHANGE, new PacketHandlers() {
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@Override
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public void register() {
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map(Types1_7_6.POSITION_UBYTE); // position
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map(Type.UNSIGNED_BYTE); // block id
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map(Type.UNSIGNED_BYTE); // block data
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handler(wrapper -> {
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final IdAndData block = new IdAndData(wrapper.get(Type.UNSIGNED_BYTE, 0), wrapper.get(Type.UNSIGNED_BYTE, 1));
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BLOCK_DATA_REWRITER.remapBlock(block);
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wrapper.set(Type.UNSIGNED_BYTE, 0, (short) block.id);
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wrapper.set(Type.UNSIGNED_BYTE, 1, (short) block.data);
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});
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}
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});
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this.registerClientbound(ClientboundPacketsb1_1.SET_SLOT, new PacketHandlers() {
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@Override
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public void register() {
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map(Type.BYTE); // window id
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map(Type.SHORT); // slot
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map(Typesb1_1.NBTLESS_ITEM, Types1_4_2.NBTLESS_ITEM); // item
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}
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});
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this.registerServerbound(ServerboundPacketsb1_2.PLAYER_BLOCK_PLACEMENT, new PacketHandlers() {
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@Override
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public void register() {
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map(Types1_7_6.POSITION_UBYTE); // position
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map(Type.UNSIGNED_BYTE); // direction
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map(Types1_4_2.NBTLESS_ITEM, Typesb1_1.NBTLESS_ITEM); // item
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}
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});
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this.registerServerbound(ServerboundPacketsb1_2.ENTITY_ACTION, ServerboundPacketsb1_1.ANIMATION, new PacketHandlers() {
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@Override
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public void register() {
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map(Type.INT); // entity id
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map(Type.BYTE, Type.UNSIGNED_BYTE, i -> (short) (i + 103)); // action id | start/stop sneaking (1/2) -> 104/105
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}
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});
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this.registerServerbound(ServerboundPacketsb1_2.CLICK_WINDOW, new PacketHandlers() {
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@Override
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public void register() {
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map(Type.BYTE); // window id
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map(Type.SHORT); // slot
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map(Type.BYTE); // button
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map(Type.SHORT); // action
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map(Types1_4_2.NBTLESS_ITEM, Typesb1_1.NBTLESS_ITEM); // item
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}
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});
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}
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@Override
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public void init(UserConnection userConnection) {
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userConnection.put(new PreNettySplitter(Protocolb1_2_0_2tob1_1_2.class, ClientboundPacketsb1_1::getPacket));
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userConnection.put(new EntityFlagStorage());
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}
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}
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