/* * 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_19_4to1_19_3; import com.google.gson.JsonElement; import com.viaversion.viaversion.api.connection.UserConnection; import com.viaversion.viaversion.api.minecraft.entities.EntityTypes1_19_4; import com.viaversion.viaversion.api.protocol.AbstractProtocol; import com.viaversion.viaversion.api.protocol.packet.PacketWrapper; 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_19_4; import com.viaversion.viaversion.data.entity.EntityTrackerBase; import com.viaversion.viaversion.protocols.protocol1_19_3to1_19_1.ClientboundPackets1_19_3; import com.viaversion.viaversion.protocols.protocol1_19_3to1_19_1.ServerboundPackets1_19_3; import com.viaversion.viaversion.protocols.protocol1_19_4to1_19_3.data.MappingData; import com.viaversion.viaversion.protocols.protocol1_19_4to1_19_3.packets.EntityPackets; import com.viaversion.viaversion.protocols.protocol1_19_4to1_19_3.packets.InventoryPackets; import com.viaversion.viaversion.protocols.protocol1_19_4to1_19_3.storage.PlayerVehicleTracker; import com.viaversion.viaversion.rewriter.CommandRewriter; import com.viaversion.viaversion.rewriter.SoundRewriter; import com.viaversion.viaversion.rewriter.StatisticsRewriter; import com.viaversion.viaversion.rewriter.TagRewriter; import com.viaversion.viaversion.util.ComponentUtil; import java.nio.charset.StandardCharsets; import java.util.Base64; public final class Protocol1_19_4To1_19_3 extends AbstractProtocol { public static final MappingData MAPPINGS = new MappingData(); private final EntityPackets entityRewriter = new EntityPackets(this); private final InventoryPackets itemRewriter = new InventoryPackets(this); private final TagRewriter tagRewriter = new TagRewriter<>(this); public Protocol1_19_4To1_19_3() { super(ClientboundPackets1_19_3.class, ClientboundPackets1_19_4.class, ServerboundPackets1_19_3.class, ServerboundPackets1_19_4.class); } @Override protected void registerPackets() { super.registerPackets(); tagRewriter.registerGeneric(ClientboundPackets1_19_3.TAGS); new StatisticsRewriter<>(this).register(ClientboundPackets1_19_3.STATISTICS); final SoundRewriter soundRewriter = new SoundRewriter<>(this); soundRewriter.register1_19_3Sound(ClientboundPackets1_19_3.ENTITY_SOUND); soundRewriter.register1_19_3Sound(ClientboundPackets1_19_3.SOUND); new CommandRewriter(this) { @Override public void handleArgument(final PacketWrapper wrapper, final String argumentType) throws Exception { if (argumentType.equals("minecraft:time")) { // Minimum wrapper.write(Type.INT, 0); } else { super.handleArgument(wrapper, argumentType); } } }.registerDeclareCommands1_19(ClientboundPackets1_19_3.DECLARE_COMMANDS); registerClientbound(ClientboundPackets1_19_3.SERVER_DATA, wrapper -> { JsonElement element = wrapper.read(Type.OPTIONAL_COMPONENT); if (element != null) { wrapper.write(Type.COMPONENT, element); } else { wrapper.write(Type.COMPONENT, ComponentUtil.emptyJsonComponent()); } final String iconBase64 = wrapper.read(Type.OPTIONAL_STRING); byte[] iconBytes = null; if (iconBase64 != null && iconBase64.startsWith("data:image/png;base64,")) { iconBytes = Base64.getDecoder().decode(iconBase64.substring("data:image/png;base64,".length()).getBytes(StandardCharsets.UTF_8)); } wrapper.write(Type.OPTIONAL_BYTE_ARRAY_PRIMITIVE, iconBytes); }); } @Override protected void onMappingDataLoaded() { super.onMappingDataLoaded(); EntityTypes1_19_4.initialize(this); Types1_19_4.PARTICLE.filler(this) .reader("block", ParticleType.Readers.BLOCK) .reader("block_marker", ParticleType.Readers.BLOCK) .reader("dust", ParticleType.Readers.DUST) .reader("falling_dust", ParticleType.Readers.BLOCK) .reader("dust_color_transition", ParticleType.Readers.DUST_TRANSITION) .reader("item", ParticleType.Readers.ITEM1_13_2) .reader("vibration", ParticleType.Readers.VIBRATION1_19) .reader("sculk_charge", ParticleType.Readers.SCULK_CHARGE) .reader("shriek", ParticleType.Readers.SHRIEK); } @Override public void init(final UserConnection user) { addEntityTracker(user, new EntityTrackerBase(user, EntityTypes1_19_4.PLAYER)); user.put(new PlayerVehicleTracker()); } @Override public MappingData getMappingData() { return MAPPINGS; } @Override public EntityPackets getEntityRewriter() { return entityRewriter; } @Override public InventoryPackets getItemRewriter() { return itemRewriter; } @Override public TagRewriter getTagRewriter() { return tagRewriter; } }