142 lines
6.4 KiB
Java
142 lines
6.4 KiB
Java
/*
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* This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
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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.viaversion.protocols.protocol1_20_5to1_20_3.rewriter;
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import com.viaversion.viaversion.api.minecraft.entities.EntityType;
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import com.viaversion.viaversion.api.minecraft.entities.EntityTypes1_20_5;
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import com.viaversion.viaversion.api.protocol.packet.State;
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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_20_3;
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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.ClientboundPackets1_20_3;
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import com.viaversion.viaversion.protocols.protocol1_20_5to1_20_3.Protocol1_20_5To1_20_3;
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import com.viaversion.viaversion.rewriter.EntityRewriter;
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import com.viaversion.viaversion.util.Key;
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public final class EntityPacketRewriter1_20_5 extends EntityRewriter<ClientboundPackets1_20_3, Protocol1_20_5To1_20_3> {
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public EntityPacketRewriter1_20_5(final Protocol1_20_5To1_20_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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// Tracks entities, applies metadata rewrites registered below, untracks entities
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registerTrackerWithData1_19(ClientboundPackets1_20_3.SPAWN_ENTITY, EntityTypes1_20_5.FALLING_BLOCK);
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registerMetadataRewriter(ClientboundPackets1_20_3.ENTITY_METADATA, /*Types1_OLD.METADATA_LIST, */Types1_20_3.METADATA_LIST);
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registerRemoveEntities(ClientboundPackets1_20_3.REMOVE_ENTITIES);
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protocol.registerClientbound(State.CONFIGURATION, ClientboundConfigurationPackets1_20_3.REGISTRY_DATA, new PacketHandlers() {
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@Override
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protected void register() {
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map(Type.COMPOUND_TAG); // Registry data
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handler(configurationDimensionDataHandler()); // Caches dimensions to access data like height later
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handler(configurationBiomeSizeTracker()); // Tracks the amount of biomes sent for chunk data
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}
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});
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protocol.registerClientbound(ClientboundPackets1_20_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.STRING_ARRAY); // World List
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map(Type.VAR_INT); // Max players
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map(Type.VAR_INT); // View distance
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map(Type.VAR_INT); // Simulation distance
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map(Type.BOOLEAN); // Reduced debug info
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map(Type.BOOLEAN); // Show death screen
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map(Type.BOOLEAN); // Limited crafting
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map(Type.STRING); // Dimension key
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map(Type.STRING); // World
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handler(worldDataTrackerHandlerByKey()); // Tracks world height and name for chunk data and entity (un)tracking
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}
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});
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protocol.registerClientbound(ClientboundPackets1_20_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()); // Tracks world height and name for chunk data and entity (un)tracking
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}
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});
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protocol.registerClientbound(ClientboundPackets1_20_3.ENTITY_EFFECT, wrapper -> {
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wrapper.passthrough(Type.VAR_INT); // Entity id
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wrapper.passthrough(Type.VAR_INT); // Effect id
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wrapper.passthrough(Type.BYTE); // Amplifier
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wrapper.passthrough(Type.VAR_INT); // Duration
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wrapper.passthrough(Type.BYTE); // Flags
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wrapper.read(Type.OPTIONAL_COMPOUND_TAG); // Remove factor data
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});
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protocol.registerClientbound(ClientboundPackets1_20_3.ENTITY_PROPERTIES, wrapper -> {
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wrapper.passthrough(Type.VAR_INT); // Entity id
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final int size = wrapper.passthrough(Type.VAR_INT);
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for (int i = 0; i < size; i++) {
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final String attributeIdentifier = Key.namespaced(wrapper.read(Type.STRING));
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wrapper.write(Type.VAR_INT, protocol.getMappingData());
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wrapper.passthrough(Type.DOUBLE); // Base
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final int modifierSize = wrapper.passthrough(Type.VAR_INT);
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for (int j = 0; j < modifierSize; j++) {
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wrapper.passthrough(Type.UUID); // Id
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wrapper.passthrough(Type.DOUBLE); // Amount
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wrapper.passthrough(Type.BYTE); // Operation
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}
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}
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});
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}
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@Override
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protected void registerRewrites() {
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/* Uncomment if metatype classes changed
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filter().handler((event, meta) -> {
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int id = meta.metaType().typeId();
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if (id >= SomeAddedIndex) {
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id++;
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}
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meta.setMetaType(Types1_20_3.META_TYPES.byId(id));
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});*/
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registerMetaTypeHandler(
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Types1_20_3.META_TYPES.itemType,
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Types1_20_3.META_TYPES.blockStateType,
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Types1_20_3.META_TYPES.optionalBlockStateType,
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Types1_20_3.META_TYPES.particleType
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);
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filter().filterFamily(EntityTypes1_20_5.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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}
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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_20_5.getTypeFromId(type);
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}
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} |