/* * This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion * Copyright (C) 2016-2024 ViaVersion and contributors * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ package com.viaversion.viaversion.protocols.protocol1_14to1_13_2; import com.viaversion.viaversion.api.connection.UserConnection; import com.viaversion.viaversion.api.protocol.AbstractProtocol; import com.viaversion.viaversion.api.type.Type; import com.viaversion.viaversion.api.type.types.misc.ParticleType; import com.viaversion.viaversion.api.type.types.version.Types1_13_2; import com.viaversion.viaversion.api.type.types.version.Types1_14; import com.viaversion.viaversion.protocols.protocol1_13to1_12_2.ClientboundPackets1_13; import com.viaversion.viaversion.protocols.protocol1_13to1_12_2.ServerboundPackets1_13; import com.viaversion.viaversion.protocols.protocol1_14to1_13_2.data.ComponentRewriter1_14; import com.viaversion.viaversion.protocols.protocol1_14to1_13_2.data.MappingData; import com.viaversion.viaversion.protocols.protocol1_14to1_13_2.metadata.MetadataRewriter1_14To1_13_2; import com.viaversion.viaversion.protocols.protocol1_14to1_13_2.packets.EntityPackets; import com.viaversion.viaversion.protocols.protocol1_14to1_13_2.packets.InventoryPackets; import com.viaversion.viaversion.protocols.protocol1_14to1_13_2.packets.PlayerPackets; import com.viaversion.viaversion.protocols.protocol1_14to1_13_2.packets.WorldPackets; import com.viaversion.viaversion.protocols.protocol1_14to1_13_2.storage.EntityTracker1_14; import com.viaversion.viaversion.api.minecraft.ClientWorld; import com.viaversion.viaversion.rewriter.CommandRewriter; import com.viaversion.viaversion.rewriter.ComponentRewriter; import com.viaversion.viaversion.rewriter.SoundRewriter; import com.viaversion.viaversion.rewriter.StatisticsRewriter; import org.checkerframework.checker.nullness.qual.Nullable; public class Protocol1_14To1_13_2 extends AbstractProtocol { public static final MappingData MAPPINGS = new MappingData(); private final MetadataRewriter1_14To1_13_2 metadataRewriter = new MetadataRewriter1_14To1_13_2(this); private final InventoryPackets itemRewriter = new InventoryPackets(this); public Protocol1_14To1_13_2() { super(ClientboundPackets1_13.class, ClientboundPackets1_14.class, ServerboundPackets1_13.class, ServerboundPackets1_14.class); } @Override protected void registerPackets() { super.registerPackets(); EntityPackets.register(this); WorldPackets.register(this); PlayerPackets.register(this); new SoundRewriter<>(this).registerSound(ClientboundPackets1_13.SOUND); new StatisticsRewriter<>(this).register(ClientboundPackets1_13.STATISTICS); ComponentRewriter componentRewriter = new ComponentRewriter1_14<>(this); componentRewriter.registerComponentPacket(ClientboundPackets1_13.CHAT_MESSAGE); CommandRewriter commandRewriter = new CommandRewriter(this) { @Override public @Nullable String handleArgumentType(String argumentType) { if (argumentType.equals("minecraft:nbt")) { return "minecraft:nbt_compound_tag"; } return super.handleArgumentType(argumentType); } }; commandRewriter.registerDeclareCommands(ClientboundPackets1_13.DECLARE_COMMANDS); registerClientbound(ClientboundPackets1_13.TAGS, wrapper -> { int blockTagsSize = wrapper.read(Type.VAR_INT); wrapper.write(Type.VAR_INT, blockTagsSize + 6); // block tags for (int i = 0; i < blockTagsSize; i++) { wrapper.passthrough(Type.STRING); int[] blockIds = wrapper.passthrough(Type.VAR_INT_ARRAY_PRIMITIVE); for (int j = 0; j < blockIds.length; j++) { blockIds[j] = MAPPINGS.getNewBlockId(blockIds[j]); } } // Minecraft crashes if we not send signs tags wrapper.write(Type.STRING, "minecraft:signs"); wrapper.write(Type.VAR_INT_ARRAY_PRIMITIVE, new int[]{ MAPPINGS.getNewBlockId(150), MAPPINGS.getNewBlockId(155) }); wrapper.write(Type.STRING, "minecraft:wall_signs"); wrapper.write(Type.VAR_INT_ARRAY_PRIMITIVE, new int[]{ MAPPINGS.getNewBlockId(155) }); wrapper.write(Type.STRING, "minecraft:standing_signs"); wrapper.write(Type.VAR_INT_ARRAY_PRIMITIVE, new int[]{ MAPPINGS.getNewBlockId(150) }); // Fences and walls tags - used for block connections wrapper.write(Type.STRING, "minecraft:fences"); wrapper.write(Type.VAR_INT_ARRAY_PRIMITIVE, new int[]{189, 248, 472, 473, 474, 475}); wrapper.write(Type.STRING, "minecraft:walls"); wrapper.write(Type.VAR_INT_ARRAY_PRIMITIVE, new int[]{271, 272}); wrapper.write(Type.STRING, "minecraft:wooden_fences"); wrapper.write(Type.VAR_INT_ARRAY_PRIMITIVE, new int[]{189, 472, 473, 474, 475}); int itemTagsSize = wrapper.read(Type.VAR_INT); wrapper.write(Type.VAR_INT, itemTagsSize + 2); // item tags for (int i = 0; i < itemTagsSize; i++) { wrapper.passthrough(Type.STRING); int[] itemIds = wrapper.passthrough(Type.VAR_INT_ARRAY_PRIMITIVE); for (int j = 0; j < itemIds.length; j++) { itemIds[j] = MAPPINGS.getNewItemId(itemIds[j]); } } // Should fix fuel shift clicking wrapper.write(Type.STRING, "minecraft:signs"); wrapper.write(Type.VAR_INT_ARRAY_PRIMITIVE, new int[]{ MAPPINGS.getNewItemId(541) }); // Arrows tag (used by bow) wrapper.write(Type.STRING, "minecraft:arrows"); wrapper.write(Type.VAR_INT_ARRAY_PRIMITIVE, new int[]{526, 825, 826}); int fluidTagsSize = wrapper.passthrough(Type.VAR_INT); // fluid tags for (int i = 0; i < fluidTagsSize; i++) { wrapper.passthrough(Type.STRING); wrapper.passthrough(Type.VAR_INT_ARRAY_PRIMITIVE); } wrapper.write(Type.VAR_INT, 0); // new entity tags - do we need to send this? }); // Set Difficulty packet added in 19w11a cancelServerbound(ServerboundPackets1_14.SET_DIFFICULTY); // Lock Difficulty packet added in 19w11a cancelServerbound(ServerboundPackets1_14.LOCK_DIFFICULTY); // Unknown packet added in 19w13a cancelServerbound(ServerboundPackets1_14.UPDATE_JIGSAW_BLOCK); } @Override protected void onMappingDataLoaded() { WorldPackets.air = MAPPINGS.getBlockStateMappings().getNewId(0); WorldPackets.voidAir = MAPPINGS.getBlockStateMappings().getNewId(8591); WorldPackets.caveAir = MAPPINGS.getBlockStateMappings().getNewId(8592); Types1_13_2.PARTICLE.filler(this, false) .reader("block", ParticleType.Readers.BLOCK) .reader("dust", ParticleType.Readers.DUST) .reader("falling_dust", ParticleType.Readers.BLOCK) .reader("item", ParticleType.Readers.ITEM1_13_2); Types1_14.PARTICLE.filler(this) .reader("block", ParticleType.Readers.BLOCK) .reader("dust", ParticleType.Readers.DUST) .reader("falling_dust", ParticleType.Readers.BLOCK) .reader("item", ParticleType.Readers.ITEM1_13_2); } @Override public void init(UserConnection userConnection) { userConnection.addEntityTracker(this.getClass(), new EntityTracker1_14(userConnection)); if (!userConnection.has(ClientWorld.class)) { userConnection.put(new ClientWorld()); } } @Override public MappingData getMappingData() { return MAPPINGS; } @Override public MetadataRewriter1_14To1_13_2 getEntityRewriter() { return metadataRewriter; } @Override public InventoryPackets getItemRewriter() { return itemRewriter; } }