217 lines
12 KiB
Java
217 lines
12 KiB
Java
/*
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* This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
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* Copyright (C) 2023 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.viabackwards.protocol.protocol1_20_3to1_20_5;
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import com.viaversion.viabackwards.api.BackwardsProtocol;
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import com.viaversion.viabackwards.api.rewriters.SoundRewriter;
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import com.viaversion.viabackwards.api.rewriters.TranslatableRewriter;
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import com.viaversion.viabackwards.protocol.protocol1_20_3to1_20_5.data.BackwardsMappings;
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import com.viaversion.viabackwards.protocol.protocol1_20_3to1_20_5.provider.TransferProvider;
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import com.viaversion.viabackwards.protocol.protocol1_20_3to1_20_5.rewriter.BlockItemPacketRewriter1_20_5;
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import com.viaversion.viabackwards.protocol.protocol1_20_3to1_20_5.rewriter.EntityPacketRewriter1_20_5;
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import com.viaversion.viabackwards.protocol.protocol1_20_3to1_20_5.storage.CookieStorage;
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import com.viaversion.viabackwards.protocol.protocol1_20_3to1_20_5.storage.RegistryDataStorage;
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import com.viaversion.viabackwards.protocol.protocol1_20_3to1_20_5.storage.SecureChatStorage;
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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.entities.EntityTypes1_20_5;
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import com.viaversion.viaversion.api.platform.providers.ViaProviders;
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import com.viaversion.viaversion.api.protocol.packet.PacketWrapper;
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import com.viaversion.viaversion.api.protocol.packet.ServerboundPacketType;
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import com.viaversion.viaversion.api.protocol.packet.State;
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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.type.Type;
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import com.viaversion.viaversion.api.type.types.ByteArrayType;
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import com.viaversion.viaversion.data.entity.EntityTrackerBase;
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import com.viaversion.viaversion.protocols.base.ClientboundLoginPackets;
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import com.viaversion.viaversion.protocols.base.ServerboundLoginPackets;
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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.ServerboundConfigurationPackets1_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_5to1_20_3.packet.ClientboundConfigurationPackets1_20_5;
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import com.viaversion.viaversion.protocols.protocol1_20_5to1_20_3.packet.ClientboundPacket1_20_5;
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import com.viaversion.viaversion.protocols.protocol1_20_5to1_20_3.packet.ClientboundPackets1_20_5;
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import com.viaversion.viaversion.protocols.protocol1_20_5to1_20_3.packet.ServerboundConfigurationPackets1_20_5;
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import com.viaversion.viaversion.protocols.protocol1_20_5to1_20_3.packet.ServerboundPacket1_20_5;
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import com.viaversion.viaversion.protocols.protocol1_20_5to1_20_3.packet.ServerboundPackets1_20_5;
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import com.viaversion.viaversion.rewriter.ComponentRewriter.ReadType;
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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 static com.viaversion.viaversion.util.ProtocolUtil.packetTypeMap;
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public final class Protocol1_20_3To1_20_5 extends BackwardsProtocol<ClientboundPacket1_20_5, ClientboundPacket1_20_3, ServerboundPacket1_20_5, ServerboundPacket1_20_3> {
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public static final BackwardsMappings MAPPINGS = new BackwardsMappings();
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private static final ByteArrayType COOKIE_DATA_TYPE = new ByteArrayType(5120);
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private final EntityPacketRewriter1_20_5 entityRewriter = new EntityPacketRewriter1_20_5(this);
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private final BlockItemPacketRewriter1_20_5 itemRewriter = new BlockItemPacketRewriter1_20_5(this);
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private final TranslatableRewriter<ClientboundPacket1_20_5> translatableRewriter = new TranslatableRewriter<>(this, ReadType.NBT);
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public Protocol1_20_3To1_20_5() {
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super(ClientboundPacket1_20_5.class, ClientboundPacket1_20_3.class, ServerboundPacket1_20_5.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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final TagRewriter<ClientboundPacket1_20_5> tagRewriter = new TagRewriter<>(this);
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tagRewriter.registerGeneric(ClientboundPackets1_20_5.TAGS);
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registerClientbound(ClientboundConfigurationPackets1_20_5.UPDATE_TAGS, wrapper -> {
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// Send off registry data first
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final PacketWrapper registryDataPacket = wrapper.create(ClientboundConfigurationPackets1_20_3.REGISTRY_DATA);
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registryDataPacket.write(Type.COMPOUND_TAG, wrapper.user().get(RegistryDataStorage.class).registryData().copy());
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registryDataPacket.send(Protocol1_20_3To1_20_5.class);
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tagRewriter.getGenericHandler().handle(wrapper);
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});
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registerClientbound(ClientboundPackets1_20_5.START_CONFIGURATION, wrapper -> wrapper.user().get(RegistryDataStorage.class).registryData().clear());
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final SoundRewriter<ClientboundPacket1_20_5> soundRewriter = new SoundRewriter<>(this);
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soundRewriter.register1_19_3Sound(ClientboundPackets1_20_5.SOUND);
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soundRewriter.register1_19_3Sound(ClientboundPackets1_20_5.ENTITY_SOUND);
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soundRewriter.registerStopSound(ClientboundPackets1_20_5.STOP_SOUND);
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new StatisticsRewriter<>(this).register(ClientboundPackets1_20_5.STATISTICS);
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translatableRewriter.registerComponentPacket(ClientboundPackets1_20_5.ACTIONBAR);
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translatableRewriter.registerComponentPacket(ClientboundPackets1_20_5.TITLE_TEXT);
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translatableRewriter.registerComponentPacket(ClientboundPackets1_20_5.TITLE_SUBTITLE);
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translatableRewriter.registerBossBar(ClientboundPackets1_20_5.BOSSBAR);
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translatableRewriter.registerComponentPacket(ClientboundPackets1_20_5.DISCONNECT);
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translatableRewriter.registerTabList(ClientboundPackets1_20_5.TAB_LIST);
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translatableRewriter.registerCombatKill1_20(ClientboundPackets1_20_5.COMBAT_KILL);
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translatableRewriter.registerComponentPacket(ClientboundPackets1_20_5.SYSTEM_CHAT);
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translatableRewriter.registerComponentPacket(ClientboundPackets1_20_5.DISGUISED_CHAT);
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translatableRewriter.registerPing();
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registerClientbound(State.LOGIN, ClientboundLoginPackets.HELLO, wrapper -> {
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wrapper.passthrough(Type.STRING); // Server ID
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wrapper.passthrough(Type.BYTE_ARRAY_PRIMITIVE); // Public key
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wrapper.passthrough(Type.BYTE_ARRAY_PRIMITIVE); // Challenge
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wrapper.read(Type.BOOLEAN); // Authenticate
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});
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registerClientbound(ClientboundPackets1_20_5.SERVER_DATA, wrapper -> {
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wrapper.passthrough(Type.TAG); // MOTD
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wrapper.passthrough(Type.OPTIONAL_BYTE_ARRAY_PRIMITIVE); // Icon
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wrapper.write(Type.BOOLEAN, wrapper.user().get(SecureChatStorage.class).enforcesSecureChat());
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});
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registerClientbound(State.LOGIN, ClientboundLoginPackets.COOKIE_REQUEST.getId(), -1, wrapper -> handleCookieRequest(wrapper, ServerboundLoginPackets.COOKIE_RESPONSE));
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registerClientbound(ClientboundConfigurationPackets1_20_5.COOKIE_REQUEST, null, wrapper -> handleCookieRequest(wrapper, ServerboundConfigurationPackets1_20_5.COOKIE_RESPONSE));
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registerClientbound(ClientboundConfigurationPackets1_20_5.STORE_COOKIE, null, this::handleStoreCookie);
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registerClientbound(ClientboundConfigurationPackets1_20_5.TRANSFER, null, this::handleTransfer);
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registerClientbound(ClientboundPackets1_20_5.COOKIE_REQUEST, null, wrapper -> handleCookieRequest(wrapper, ServerboundPackets1_20_5.COOKIE_RESPONSE));
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registerClientbound(ClientboundPackets1_20_5.STORE_COOKIE, null, this::handleStoreCookie);
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registerClientbound(ClientboundPackets1_20_5.TRANSFER, null, this::handleTransfer);
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registerClientbound(ClientboundConfigurationPackets1_20_5.SELECT_KNOWN_PACKS, null, wrapper -> {
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wrapper.cancel();
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final PacketWrapper response = wrapper.create(ServerboundConfigurationPackets1_20_5.SELECT_KNOWN_PACKS);
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response.write(Type.VAR_INT, 0); // Empty, we don't know anything
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response.sendToServer(Protocol1_20_3To1_20_5.class);
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});
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new CommandRewriter1_19_4<>(this).registerDeclareCommands1_19(ClientboundPackets1_20_5.DECLARE_COMMANDS);
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cancelClientbound(ClientboundPackets1_20_5.DEBUG_SAMPLE);
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}
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private void handleStoreCookie(final PacketWrapper wrapper) throws Exception {
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wrapper.cancel();
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final String resourceLocation = wrapper.read(Type.STRING);
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final byte[] data = wrapper.read(COOKIE_DATA_TYPE);
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wrapper.user().get(CookieStorage.class).cookies().put(resourceLocation, data);
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}
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private void handleCookieRequest(final PacketWrapper wrapper, final ServerboundPacketType responseType) throws Exception {
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wrapper.cancel();
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final String resourceLocation = wrapper.read(Type.STRING);
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final byte[] data = wrapper.user().get(CookieStorage.class).cookies().get(resourceLocation);
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if (data == null) {
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return;
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}
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final PacketWrapper responsePacket = wrapper.create(responseType);
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responsePacket.write(Type.STRING, resourceLocation);
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responsePacket.write(COOKIE_DATA_TYPE, data);
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responsePacket.scheduleSendToServer(Protocol1_20_3To1_20_5.class);
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}
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private void handleTransfer(final PacketWrapper wrapper) throws Exception {
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wrapper.cancel();
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final String host = wrapper.read(Type.STRING);
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final int port = wrapper.read(Type.VAR_INT);
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Via.getManager().getProviders().get(TransferProvider.class).connectToServer(wrapper.user(), host, port);
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}
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@Override
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public void init(final UserConnection user) {
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addEntityTracker(user, new EntityTrackerBase(user, EntityTypes1_20_5.PLAYER));
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user.put(new SecureChatStorage());
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user.put(new CookieStorage());
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user.put(new RegistryDataStorage());
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}
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@Override
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public void register(final ViaProviders providers) {
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providers.register(TransferProvider.class, TransferProvider.NOOP);
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}
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@Override
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public BackwardsMappings getMappingData() {
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return MAPPINGS;
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}
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@Override
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public EntityPacketRewriter1_20_5 getEntityRewriter() {
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return entityRewriter;
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}
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@Override
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public BlockItemPacketRewriter1_20_5 getItemRewriter() {
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return itemRewriter;
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}
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@Override
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public TranslatableRewriter<ClientboundPacket1_20_5> getTranslatableRewriter() {
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return translatableRewriter;
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}
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@Override
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protected PacketTypesProvider<ClientboundPacket1_20_5, ClientboundPacket1_20_3, ServerboundPacket1_20_5, ServerboundPacket1_20_3> createPacketTypesProvider() {
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return new SimplePacketTypesProvider<>(
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packetTypeMap(unmappedClientboundPacketType, ClientboundPackets1_20_5.class, ClientboundConfigurationPackets1_20_5.class),
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packetTypeMap(mappedClientboundPacketType, ClientboundPackets1_20_3.class, ClientboundConfigurationPackets1_20_3.class),
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packetTypeMap(mappedServerboundPacketType, ServerboundPackets1_20_5.class, ServerboundConfigurationPackets1_20_5.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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} |