397 lines
20 KiB
Java
397 lines
20 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_20_3to1_20_2;
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import com.viaversion.viaversion.api.connection.UserConnection;
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import com.viaversion.viaversion.api.data.MappingData;
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import com.viaversion.viaversion.api.data.MappingDataBase;
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import com.viaversion.viaversion.api.minecraft.entities.EntityTypes1_20_3;
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import com.viaversion.viaversion.api.protocol.AbstractProtocol;
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import com.viaversion.viaversion.api.protocol.packet.ClientboundPacketType;
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import com.viaversion.viaversion.api.protocol.packet.PacketWrapper;
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import com.viaversion.viaversion.api.protocol.packet.provider.PacketTypesProvider;
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import com.viaversion.viaversion.api.protocol.packet.provider.SimplePacketTypesProvider;
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import com.viaversion.viaversion.api.protocol.remapper.PacketHandler;
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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.misc.ParticleType;
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import com.viaversion.viaversion.api.type.types.version.Types1_20_3;
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import com.viaversion.viaversion.data.entity.EntityTrackerBase;
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import com.viaversion.viaversion.protocols.protocol1_19_4to1_19_3.rewriter.CommandRewriter1_19_4;
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import com.viaversion.viaversion.protocols.protocol1_20_2to1_20.packet.ClientboundConfigurationPackets1_20_2;
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import com.viaversion.viaversion.protocols.protocol1_20_2to1_20.packet.ClientboundPacket1_20_2;
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import com.viaversion.viaversion.protocols.protocol1_20_2to1_20.packet.ClientboundPackets1_20_2;
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import com.viaversion.viaversion.protocols.protocol1_20_2to1_20.packet.ServerboundConfigurationPackets1_20_2;
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import com.viaversion.viaversion.protocols.protocol1_20_2to1_20.packet.ServerboundPacket1_20_2;
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import com.viaversion.viaversion.protocols.protocol1_20_2to1_20.packet.ServerboundPackets1_20_2;
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import com.viaversion.viaversion.protocols.protocol1_20_3to1_20_2.packet.ClientboundConfigurationPackets1_20_3;
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import com.viaversion.viaversion.protocols.protocol1_20_3to1_20_2.packet.ClientboundPacket1_20_3;
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import com.viaversion.viaversion.protocols.protocol1_20_3to1_20_2.packet.ClientboundPackets1_20_3;
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import com.viaversion.viaversion.protocols.protocol1_20_3to1_20_2.packet.ServerboundPacket1_20_3;
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import com.viaversion.viaversion.protocols.protocol1_20_3to1_20_2.packet.ServerboundPackets1_20_3;
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import com.viaversion.viaversion.protocols.protocol1_20_3to1_20_2.rewriter.BlockItemPacketRewriter1_20_3;
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import com.viaversion.viaversion.protocols.protocol1_20_3to1_20_2.rewriter.EntityPacketRewriter1_20_3;
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import com.viaversion.viaversion.rewriter.SoundRewriter;
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import com.viaversion.viaversion.rewriter.StatisticsRewriter;
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import com.viaversion.viaversion.rewriter.TagRewriter;
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import com.viaversion.viaversion.util.ComponentUtil;
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import java.nio.charset.StandardCharsets;
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import java.util.BitSet;
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import java.util.UUID;
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import static com.viaversion.viaversion.util.ProtocolUtil.packetTypeMap;
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public final class Protocol1_20_3To1_20_2 extends AbstractProtocol<ClientboundPacket1_20_2, ClientboundPacket1_20_3, ServerboundPacket1_20_2, ServerboundPacket1_20_3> {
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public static final MappingData MAPPINGS = new MappingDataBase("1.20.2", "1.20.3");
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private final BlockItemPacketRewriter1_20_3 itemRewriter = new BlockItemPacketRewriter1_20_3(this);
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private final EntityPacketRewriter1_20_3 entityRewriter = new EntityPacketRewriter1_20_3(this);
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private final TagRewriter<ClientboundPacket1_20_2> tagRewriter = new TagRewriter<>(this);
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public Protocol1_20_3To1_20_2() {
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super(ClientboundPacket1_20_2.class, ClientboundPacket1_20_3.class, ServerboundPacket1_20_2.class, ServerboundPacket1_20_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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cancelServerbound(ServerboundPackets1_20_3.CONTAINER_SLOT_STATE_CHANGED);
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tagRewriter.registerGeneric(ClientboundPackets1_20_2.TAGS);
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final SoundRewriter<ClientboundPacket1_20_2> soundRewriter = new SoundRewriter<>(this);
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soundRewriter.register1_19_3Sound(ClientboundPackets1_20_2.SOUND);
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soundRewriter.register1_19_3Sound(ClientboundPackets1_20_2.ENTITY_SOUND);
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new StatisticsRewriter<>(this).register(ClientboundPackets1_20_2.STATISTICS);
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new CommandRewriter1_19_4<>(this).registerDeclareCommands1_19(ClientboundPackets1_20_2.DECLARE_COMMANDS);
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registerClientbound(ClientboundPackets1_20_2.UPDATE_SCORE, wrapper -> {
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wrapper.passthrough(Type.STRING); // Owner
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final int action = wrapper.read(Type.VAR_INT);
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final String objectiveName = wrapper.read(Type.STRING);
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if (action == 1) { // Reset score
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wrapper.write(Type.OPTIONAL_STRING, objectiveName.isEmpty() ? null : objectiveName);
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wrapper.setPacketType(ClientboundPackets1_20_3.RESET_SCORE);
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return;
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}
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wrapper.write(Type.STRING, objectiveName);
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wrapper.passthrough(Type.VAR_INT); // Score
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// Null display and number format
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wrapper.write(Type.OPTIONAL_TAG, null);
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wrapper.write(Type.BOOLEAN, false);
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});
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registerClientbound(ClientboundPackets1_20_2.SCOREBOARD_OBJECTIVE, wrapper -> {
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wrapper.passthrough(Type.STRING); // Objective Name
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final byte action = wrapper.passthrough(Type.BYTE); // Method
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if (action == 0 || action == 2) {
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convertComponent(wrapper); // Display Name
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wrapper.passthrough(Type.VAR_INT); // Render type
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wrapper.write(Type.BOOLEAN, false); // Null number format
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}
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});
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registerServerbound(ServerboundPackets1_20_3.UPDATE_JIGSAW_BLOCK, wrapper -> {
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wrapper.passthrough(Type.POSITION1_14); // Position
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wrapper.passthrough(Type.STRING); // Name
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wrapper.passthrough(Type.STRING); // Target
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wrapper.passthrough(Type.STRING); // Pool
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wrapper.passthrough(Type.STRING); // Final state
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wrapper.passthrough(Type.STRING); // Joint type
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wrapper.read(Type.VAR_INT); // Selection priority
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wrapper.read(Type.VAR_INT); // Placement priority
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});
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// Components are now (mostly) written as nbt instead of json strings
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registerClientbound(ClientboundPackets1_20_2.ADVANCEMENTS, wrapper -> {
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wrapper.passthrough(Type.BOOLEAN); // Reset/clear
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final int size = wrapper.passthrough(Type.VAR_INT); // Mapping size
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for (int i = 0; i < size; i++) {
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wrapper.passthrough(Type.STRING); // Identifier
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wrapper.passthrough(Type.OPTIONAL_STRING); // Parent
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// Display data
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if (wrapper.passthrough(Type.BOOLEAN)) {
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convertComponent(wrapper); // Title
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convertComponent(wrapper); // Description
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itemRewriter.handleItemToClient(wrapper.user(), wrapper.passthrough(Type.ITEM1_20_2)); // Icon
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wrapper.passthrough(Type.VAR_INT); // Frame type
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final int flags = wrapper.passthrough(Type.INT);
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if ((flags & 1) != 0) {
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wrapper.passthrough(Type.STRING); // Background texture
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}
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wrapper.passthrough(Type.FLOAT); // X
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wrapper.passthrough(Type.FLOAT); // Y
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}
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final int requirements = wrapper.passthrough(Type.VAR_INT);
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for (int array = 0; array < requirements; array++) {
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wrapper.passthrough(Type.STRING_ARRAY);
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}
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wrapper.passthrough(Type.BOOLEAN); // Send telemetry
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}
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});
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registerClientbound(ClientboundPackets1_20_2.TAB_COMPLETE, wrapper -> {
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wrapper.passthrough(Type.VAR_INT); // Transaction id
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wrapper.passthrough(Type.VAR_INT); // Start
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wrapper.passthrough(Type.VAR_INT); // Length
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final int suggestions = wrapper.passthrough(Type.VAR_INT);
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for (int i = 0; i < suggestions; i++) {
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wrapper.passthrough(Type.STRING); // Suggestion
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convertOptionalComponent(wrapper); // Tooltip
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}
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});
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registerClientbound(ClientboundPackets1_20_2.MAP_DATA, wrapper -> {
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wrapper.passthrough(Type.VAR_INT); // Map id
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wrapper.passthrough(Type.BYTE); // Scale
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wrapper.passthrough(Type.BOOLEAN); // Locked
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if (wrapper.passthrough(Type.BOOLEAN)) {
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final int icons = wrapper.passthrough(Type.VAR_INT);
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for (int i = 0; i < icons; i++) {
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wrapper.passthrough(Type.VAR_INT); // Type
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wrapper.passthrough(Type.BYTE); // X
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wrapper.passthrough(Type.BYTE); // Y
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wrapper.passthrough(Type.BYTE); // Rotation
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convertOptionalComponent(wrapper); // Display name
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}
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}
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});
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registerClientbound(ClientboundPackets1_20_2.BOSSBAR, wrapper -> {
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wrapper.passthrough(Type.UUID); // Id
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final int action = wrapper.passthrough(Type.VAR_INT);
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if (action == 0 || action == 3) {
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convertComponent(wrapper);
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}
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});
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registerClientbound(ClientboundPackets1_20_2.PLAYER_CHAT, wrapper -> {
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wrapper.passthrough(Type.UUID); // Sender
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wrapper.passthrough(Type.VAR_INT); // Index
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wrapper.passthrough(Type.OPTIONAL_SIGNATURE_BYTES); // Signature
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wrapper.passthrough(Type.STRING); // Plain content
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wrapper.passthrough(Type.LONG); // Timestamp
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wrapper.passthrough(Type.LONG); // Salt
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final int lastSeen = wrapper.passthrough(Type.VAR_INT);
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for (int i = 0; i < lastSeen; i++) {
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final int index = wrapper.passthrough(Type.VAR_INT);
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if (index == 0) {
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wrapper.passthrough(Type.SIGNATURE_BYTES);
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}
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}
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convertOptionalComponent(wrapper); // Unsigned content
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final int filterMaskType = wrapper.passthrough(Type.VAR_INT);
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if (filterMaskType == 2) {
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wrapper.passthrough(Type.LONG_ARRAY_PRIMITIVE); // Mask
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}
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wrapper.passthrough(Type.VAR_INT); // Chat type
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convertComponent(wrapper); // Sender
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convertOptionalComponent(wrapper); // Target
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});
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registerClientbound(ClientboundPackets1_20_2.TEAMS, wrapper -> {
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wrapper.passthrough(Type.STRING); // Team Name
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final byte action = wrapper.passthrough(Type.BYTE); // Mode
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if (action == 0 || action == 2) {
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convertComponent(wrapper); // Display Name
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wrapper.passthrough(Type.BYTE); // Flags
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wrapper.passthrough(Type.STRING); // Name Tag Visibility
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wrapper.passthrough(Type.STRING); // Collision rule
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wrapper.passthrough(Type.VAR_INT); // Color
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convertComponent(wrapper); // Prefix
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convertComponent(wrapper); // Suffix
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}
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});
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registerClientbound(ClientboundConfigurationPackets1_20_2.DISCONNECT, this::convertComponent);
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registerClientbound(ClientboundPackets1_20_2.DISCONNECT, this::convertComponent);
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registerClientbound(ClientboundPackets1_20_2.RESOURCE_PACK, ClientboundPackets1_20_3.RESOURCE_PACK_PUSH, resourcePackHandler(ClientboundPackets1_20_3.RESOURCE_PACK_POP));
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registerClientbound(ClientboundPackets1_20_2.SERVER_DATA, this::convertComponent);
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registerClientbound(ClientboundPackets1_20_2.ACTIONBAR, this::convertComponent);
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registerClientbound(ClientboundPackets1_20_2.TITLE_TEXT, this::convertComponent);
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registerClientbound(ClientboundPackets1_20_2.TITLE_SUBTITLE, this::convertComponent);
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registerClientbound(ClientboundPackets1_20_2.DISGUISED_CHAT, wrapper -> {
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convertComponent(wrapper);
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wrapper.passthrough(Type.VAR_INT); // Chat type
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convertComponent(wrapper); // Name
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convertOptionalComponent(wrapper); // Target name
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});
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registerClientbound(ClientboundPackets1_20_2.SYSTEM_CHAT, this::convertComponent);
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registerClientbound(ClientboundPackets1_20_2.OPEN_WINDOW, wrapper -> {
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wrapper.passthrough(Type.VAR_INT); // Container id
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final int containerTypeId = wrapper.read(Type.VAR_INT);
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wrapper.write(Type.VAR_INT, MAPPINGS.getMenuMappings().getNewId(containerTypeId));
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convertComponent(wrapper);
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});
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registerClientbound(ClientboundPackets1_20_2.TAB_LIST, wrapper -> {
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convertComponent(wrapper);
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convertComponent(wrapper);
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});
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registerClientbound(ClientboundPackets1_20_2.COMBAT_KILL, new PacketHandlers() {
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@Override
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public void register() {
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map(Type.VAR_INT); // Duration
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handler(wrapper -> convertComponent(wrapper));
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}
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});
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registerClientbound(ClientboundPackets1_20_2.PLAYER_INFO_UPDATE, wrapper -> {
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final BitSet actions = wrapper.passthrough(Type.PROFILE_ACTIONS_ENUM);
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final int entries = wrapper.passthrough(Type.VAR_INT);
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for (int i = 0; i < entries; i++) {
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wrapper.passthrough(Type.UUID);
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if (actions.get(0)) {
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wrapper.passthrough(Type.STRING); // Player Name
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final int properties = wrapper.passthrough(Type.VAR_INT);
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for (int j = 0; j < properties; j++) {
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wrapper.passthrough(Type.STRING); // Name
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wrapper.passthrough(Type.STRING); // Value
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wrapper.passthrough(Type.OPTIONAL_STRING); // Signature
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}
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}
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if (actions.get(1) && wrapper.passthrough(Type.BOOLEAN)) {
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wrapper.passthrough(Type.UUID); // Session UUID
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wrapper.passthrough(Type.PROFILE_KEY);
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}
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if (actions.get(2)) {
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wrapper.passthrough(Type.VAR_INT); // Gamemode
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}
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if (actions.get(3)) {
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wrapper.passthrough(Type.BOOLEAN); // Listed
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}
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if (actions.get(4)) {
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wrapper.passthrough(Type.VAR_INT); // Latency
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}
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if (actions.get(5)) {
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convertOptionalComponent(wrapper); // Display name
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}
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}
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});
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registerServerbound(ServerboundPackets1_20_3.RESOURCE_PACK_STATUS, resourcePackStatusHandler());
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registerServerbound(ServerboundConfigurationPackets1_20_2.RESOURCE_PACK, resourcePackStatusHandler());
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registerClientbound(ClientboundConfigurationPackets1_20_2.RESOURCE_PACK, ClientboundConfigurationPackets1_20_3.RESOURCE_PACK_PUSH, resourcePackHandler(ClientboundConfigurationPackets1_20_3.RESOURCE_PACK_POP));
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registerClientbound(ClientboundConfigurationPackets1_20_2.UPDATE_TAGS, tagRewriter.getGenericHandler());
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}
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private PacketHandler resourcePackStatusHandler() {
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return wrapper -> {
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wrapper.read(Type.UUID); // Pack UUID
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final int action = wrapper.read(Type.VAR_INT);
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if (action == 4) { // Downloaded
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wrapper.cancel();
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} else if (action > 4) { // Invalid url, failed reload, and discarded
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wrapper.write(Type.VAR_INT, 2); // Failed download
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} else {
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wrapper.write(Type.VAR_INT, action);
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}
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};
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}
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private PacketHandler resourcePackHandler(final ClientboundPacketType popType) {
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return wrapper -> {
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// Drop old resource packs first
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final PacketWrapper dropPacksPacket = wrapper.create(popType);
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dropPacksPacket.write(Type.OPTIONAL_UUID, null);
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dropPacksPacket.send(Protocol1_20_3To1_20_2.class);
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// Use the hash to write a pack uuid
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final String url = wrapper.read(Type.STRING);
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final String hash = wrapper.read(Type.STRING);
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wrapper.write(Type.UUID, UUID.nameUUIDFromBytes(url.getBytes(StandardCharsets.UTF_8)));
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wrapper.write(Type.STRING, url);
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wrapper.write(Type.STRING, hash);
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wrapper.passthrough(Type.BOOLEAN); // Required
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convertOptionalComponent(wrapper);
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};
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}
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private void convertComponent(final PacketWrapper wrapper) throws Exception {
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wrapper.write(Type.TAG, ComponentUtil.jsonToTag(wrapper.read(Type.COMPONENT)));
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}
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private void convertOptionalComponent(final PacketWrapper wrapper) throws Exception {
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wrapper.write(Type.OPTIONAL_TAG, ComponentUtil.jsonToTag(wrapper.read(Type.OPTIONAL_COMPONENT)));
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}
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@Override
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protected void onMappingDataLoaded() {
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super.onMappingDataLoaded();
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EntityTypes1_20_3.initialize(this);
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Types1_20_3.PARTICLE.filler(this)
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.reader("block", ParticleType.Readers.BLOCK)
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.reader("block_marker", ParticleType.Readers.BLOCK)
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.reader("dust", ParticleType.Readers.DUST)
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.reader("falling_dust", ParticleType.Readers.BLOCK)
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.reader("dust_color_transition", ParticleType.Readers.DUST_TRANSITION)
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.reader("item", ParticleType.Readers.ITEM1_20_2)
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.reader("vibration", ParticleType.Readers.VIBRATION1_20_3)
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.reader("sculk_charge", ParticleType.Readers.SCULK_CHARGE)
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.reader("shriek", ParticleType.Readers.SHRIEK);
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}
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@Override
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public void init(final UserConnection connection) {
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addEntityTracker(connection, new EntityTrackerBase(connection, EntityTypes1_20_3.PLAYER));
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}
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@Override
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public MappingData getMappingData() {
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return MAPPINGS;
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}
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@Override
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public BlockItemPacketRewriter1_20_3 getItemRewriter() {
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return itemRewriter;
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}
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@Override
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public EntityPacketRewriter1_20_3 getEntityRewriter() {
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return entityRewriter;
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}
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@Override
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public TagRewriter<ClientboundPacket1_20_2> getTagRewriter() {
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return tagRewriter;
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}
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@Override
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protected PacketTypesProvider<ClientboundPacket1_20_2, ClientboundPacket1_20_3, ServerboundPacket1_20_2, ServerboundPacket1_20_3> createPacketTypesProvider() {
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return new SimplePacketTypesProvider<>(
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packetTypeMap(unmappedClientboundPacketType, ClientboundPackets1_20_2.class, ClientboundConfigurationPackets1_20_2.class),
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packetTypeMap(mappedClientboundPacketType, ClientboundPackets1_20_3.class, ClientboundConfigurationPackets1_20_3.class),
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packetTypeMap(mappedServerboundPacketType, ServerboundPackets1_20_2.class, ServerboundConfigurationPackets1_20_2.class),
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packetTypeMap(unmappedServerboundPacketType, ServerboundPackets1_20_3.class, ServerboundConfigurationPackets1_20_2.class)
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);
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}
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}
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