257 lines
12 KiB
Java
257 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) 2016-2024 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_19_4to1_19_3.packets;
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import com.github.steveice10.opennbt.tag.builtin.ByteTag;
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import com.github.steveice10.opennbt.tag.builtin.CompoundTag;
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import com.github.steveice10.opennbt.tag.builtin.ListTag;
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import com.github.steveice10.opennbt.tag.builtin.StringTag;
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import com.github.steveice10.opennbt.tag.builtin.Tag;
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import com.viaversion.viaversion.api.minecraft.entities.EntityType;
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import com.viaversion.viaversion.api.minecraft.entities.EntityTypes1_19_4;
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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 com.viaversion.viaversion.api.type.types.version.Types1_19_3;
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import com.viaversion.viaversion.api.type.types.version.Types1_19_4;
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import com.viaversion.viaversion.protocols.protocol1_19_3to1_19_1.ClientboundPackets1_19_3;
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import com.viaversion.viaversion.protocols.protocol1_19_4to1_19_3.ClientboundPackets1_19_4;
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import com.viaversion.viaversion.protocols.protocol1_19_4to1_19_3.Protocol1_19_4To1_19_3;
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import com.viaversion.viaversion.protocols.protocol1_19_4to1_19_3.storage.PlayerVehicleTracker;
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import com.viaversion.viaversion.rewriter.EntityRewriter;
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public final class EntityPackets extends EntityRewriter<ClientboundPackets1_19_3, Protocol1_19_4To1_19_3> {
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public EntityPackets(final Protocol1_19_4To1_19_3 protocol) {
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super(protocol);
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}
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@Override
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public void registerPackets() {
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protocol.registerClientbound(ClientboundPackets1_19_3.JOIN_GAME, 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.BOOLEAN); // Hardcore
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map(Type.BYTE); // Gamemode
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map(Type.BYTE); // Previous Gamemode
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map(Type.STRING_ARRAY); // World List
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map(Type.NAMED_COMPOUND_TAG); // Dimension registry
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map(Type.STRING); // Dimension key
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map(Type.STRING); // World
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handler(dimensionDataHandler());
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handler(biomeSizeTracker());
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handler(worldDataTrackerHandlerByKey());
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handler(playerTrackerHandler());
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handler(wrapper -> {
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final CompoundTag registry = wrapper.get(Type.NAMED_COMPOUND_TAG, 0);
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final CompoundTag damageTypeRegistry = protocol.getMappingData().damageTypesRegistry();
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registry.put("minecraft:damage_type", damageTypeRegistry);
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final CompoundTag biomeRegistry = registry.get("minecraft:worldgen/biome");
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final ListTag<CompoundTag> biomes = biomeRegistry.getListTag("value", CompoundTag.class);
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for (final CompoundTag biomeTag : biomes) {
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final CompoundTag biomeData = biomeTag.get("element");
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final StringTag precipitation = biomeData.get("precipitation");
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final byte precipitationByte = precipitation.getValue().equals("none") ? (byte) 0 : 1;
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biomeData.put("has_precipitation", new ByteTag(precipitationByte));
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}
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});
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}
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});
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protocol.registerClientbound(ClientboundPackets1_19_3.PLAYER_POSITION, new PacketHandlers() {
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@Override
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protected void register() {
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map(Type.DOUBLE); // X
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map(Type.DOUBLE); // Y
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map(Type.DOUBLE); // Z
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map(Type.FLOAT); // Yaw
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map(Type.FLOAT); // Pitch
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map(Type.BYTE); // Relative arguments
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map(Type.VAR_INT); // Id
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handler(wrapper -> {
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if (wrapper.read(Type.BOOLEAN)) { // Dismount vehicle
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final PlayerVehicleTracker playerVehicleTracker = wrapper.user().get(PlayerVehicleTracker.class);
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if (playerVehicleTracker.getVehicleId() != -1) {
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final PacketWrapper bundleStart = wrapper.create(ClientboundPackets1_19_4.BUNDLE);
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bundleStart.send(Protocol1_19_4To1_19_3.class);
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final PacketWrapper setPassengers = wrapper.create(ClientboundPackets1_19_4.SET_PASSENGERS);
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setPassengers.write(Type.VAR_INT, playerVehicleTracker.getVehicleId()); // vehicle id
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setPassengers.write(Type.VAR_INT_ARRAY_PRIMITIVE, new int[0]); // passenger ids
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setPassengers.send(Protocol1_19_4To1_19_3.class);
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wrapper.send(Protocol1_19_4To1_19_3.class);
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wrapper.cancel();
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final PacketWrapper bundleEnd = wrapper.create(ClientboundPackets1_19_4.BUNDLE);
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bundleEnd.send(Protocol1_19_4To1_19_3.class);
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playerVehicleTracker.setVehicleId(-1);
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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_19_3.SET_PASSENGERS, new PacketHandlers() {
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@Override
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protected void register() {
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map(Type.VAR_INT); // vehicle id
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map(Type.VAR_INT_ARRAY_PRIMITIVE); // passenger ids
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handler(wrapper -> {
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final PlayerVehicleTracker playerVehicleTracker = wrapper.user().get(PlayerVehicleTracker.class);
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final int clientEntityId = wrapper.user().getEntityTracker(Protocol1_19_4To1_19_3.class).clientEntityId();
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final int vehicleId = wrapper.get(Type.VAR_INT, 0);
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if (playerVehicleTracker.getVehicleId() == vehicleId) {
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playerVehicleTracker.setVehicleId(-1);
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}
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final int[] passengerIds = wrapper.get(Type.VAR_INT_ARRAY_PRIMITIVE, 0);
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for (int passengerId : passengerIds) {
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if (passengerId == clientEntityId) {
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playerVehicleTracker.setVehicleId(vehicleId);
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break;
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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_19_3.ENTITY_TELEPORT, new PacketHandlers() {
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@Override
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protected void register() {
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handler(wrapper -> {
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final int entityId = wrapper.read(Type.VAR_INT); // entity id
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final int clientEntityId = wrapper.user().getEntityTracker(Protocol1_19_4To1_19_3.class).clientEntityId();
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if (entityId != clientEntityId) {
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wrapper.write(Type.VAR_INT, entityId); // entity id
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return;
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}
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wrapper.setPacketType(ClientboundPackets1_19_4.PLAYER_POSITION);
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wrapper.passthrough(Type.DOUBLE); // x
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wrapper.passthrough(Type.DOUBLE); // y
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wrapper.passthrough(Type.DOUBLE); // z
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wrapper.write(Type.FLOAT, wrapper.read(Type.BYTE) * 360F / 256F); // yaw
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wrapper.write(Type.FLOAT, wrapper.read(Type.BYTE) * 360F / 256F); // pitch
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wrapper.read(Type.BOOLEAN); // on ground
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wrapper.write(Type.BYTE, (byte) 0); // flags
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wrapper.write(Type.VAR_INT, -1); // teleport id
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});
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}
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});
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protocol.registerClientbound(ClientboundPackets1_19_3.ENTITY_ANIMATION, new PacketHandlers() {
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@Override
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public void register() {
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map(Type.VAR_INT); // Entity id
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handler(wrapper -> {
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final short action = wrapper.read(Type.UNSIGNED_BYTE);
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if (action != 1) {
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wrapper.write(Type.UNSIGNED_BYTE, action);
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return;
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}
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wrapper.setPacketType(ClientboundPackets1_19_4.HIT_ANIMATION);
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wrapper.write(Type.FLOAT, 0F);
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});
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}
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});
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protocol.registerClientbound(ClientboundPackets1_19_3.RESPAWN, new PacketHandlers() {
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@Override
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public void register() {
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map(Type.STRING); // Dimension
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map(Type.STRING); // World
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handler(worldDataTrackerHandlerByKey());
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handler(wrapper -> wrapper.user().put(new PlayerVehicleTracker()));
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}
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});
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protocol.registerClientbound(ClientboundPackets1_19_3.ENTITY_STATUS, wrapper -> {
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final int entityId = wrapper.read(Type.INT);
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final byte event = wrapper.read(Type.BYTE);
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final int damageType = damageTypeFromEntityEvent(event);
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if (damageType != -1) {
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wrapper.setPacketType(ClientboundPackets1_19_4.DAMAGE_EVENT);
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wrapper.write(Type.VAR_INT, entityId);
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wrapper.write(Type.VAR_INT, damageType);
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wrapper.write(Type.VAR_INT, 0); // No source entity
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wrapper.write(Type.VAR_INT, 0); // No direct source entity
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wrapper.write(Type.BOOLEAN, false); // No source position
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return;
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}
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wrapper.write(Type.INT, entityId);
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wrapper.write(Type.BYTE, event);
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});
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registerTrackerWithData1_19(ClientboundPackets1_19_3.SPAWN_ENTITY, EntityTypes1_19_4.FALLING_BLOCK);
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registerRemoveEntities(ClientboundPackets1_19_3.REMOVE_ENTITIES);
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registerMetadataRewriter(ClientboundPackets1_19_3.ENTITY_METADATA, Types1_19_3.METADATA_LIST, Types1_19_4.METADATA_LIST);
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}
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private int damageTypeFromEntityEvent(byte entityEvent) {
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switch (entityEvent) {
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case 33: // Thorned
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return 36;
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case 36: // Drowned
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return 5;
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case 37: // Burned
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return 27;
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case 57: // Frozen
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return 15;
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case 44: // Poked
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case 2: // Generic hurt
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return 16;
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}
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return -1;
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}
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@Override
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protected void registerRewrites() {
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filter().mapMetaType(typeId -> Types1_19_4.META_TYPES.byId(typeId >= 14 ? typeId + 1 : typeId)); // Optional block state (and map block state=14 to optional block state)
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registerMetaTypeHandler(Types1_19_4.META_TYPES.itemType, Types1_19_4.META_TYPES.blockStateType, Types1_19_4.META_TYPES.optionalBlockStateType, Types1_19_4.META_TYPES.particleType);
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filter().type(EntityTypes1_19_4.MINECART_ABSTRACT).index(11).handler((event, meta) -> {
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final int blockState = meta.value();
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meta.setValue(protocol.getMappingData().getNewBlockStateId(blockState));
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});
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filter().type(EntityTypes1_19_4.BOAT).index(11).handler((event, meta) -> {
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final int boatType = meta.value();
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if (boatType > 4) { // Cherry added
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meta.setValue(boatType + 1);
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}
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});
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filter().type(EntityTypes1_19_4.ABSTRACT_HORSE).removeIndex(18); // Owner UUID
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}
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@Override
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public void onMappingDataLoaded() {
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mapTypes();
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}
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@Override
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public EntityType typeFromId(final int type) {
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return EntityTypes1_19_4.getTypeFromId(type);
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}
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}
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