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Move everything related to registries from InternalPacketListener to …
…new class
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...n/java/com/github/retrooper/packetevents/util/mappings/SynchronizedRegistriesHandler.java
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| /* | ||
| * This file is part of packetevents - https://github.com/retrooper/packetevents | ||
| * Copyright (C) 2024 retrooper 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 <http://www.gnu.org/licenses/>. | ||
| */ | ||
|
|
||
| package com.github.retrooper.packetevents.util.mappings; | ||
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|
||
| import com.github.retrooper.packetevents.PacketEvents; | ||
| import com.github.retrooper.packetevents.protocol.chat.ChatType; | ||
| import com.github.retrooper.packetevents.protocol.chat.ChatTypes; | ||
| import com.github.retrooper.packetevents.protocol.item.banner.BannerPattern; | ||
| import com.github.retrooper.packetevents.protocol.item.banner.BannerPatterns; | ||
| import com.github.retrooper.packetevents.protocol.item.trimmaterial.TrimMaterial; | ||
| import com.github.retrooper.packetevents.protocol.item.trimmaterial.TrimMaterials; | ||
| import com.github.retrooper.packetevents.protocol.item.trimpattern.TrimPattern; | ||
| import com.github.retrooper.packetevents.protocol.item.trimpattern.TrimPatterns; | ||
| import com.github.retrooper.packetevents.protocol.mapper.CopyableEntity; | ||
| import com.github.retrooper.packetevents.protocol.mapper.MappedEntity; | ||
| import com.github.retrooper.packetevents.protocol.nbt.NBT; | ||
| import com.github.retrooper.packetevents.protocol.nbt.NBTCompound; | ||
| import com.github.retrooper.packetevents.protocol.nbt.NBTList; | ||
| import com.github.retrooper.packetevents.protocol.player.ClientVersion; | ||
| import com.github.retrooper.packetevents.protocol.player.User; | ||
| import com.github.retrooper.packetevents.protocol.world.dimension.DimensionType; | ||
| import com.github.retrooper.packetevents.protocol.world.dimension.DimensionTypes; | ||
| import com.github.retrooper.packetevents.resources.ResourceLocation; | ||
| import com.github.retrooper.packetevents.wrapper.configuration.server.WrapperConfigServerRegistryData.RegistryElement; | ||
| import org.jetbrains.annotations.Nullable; | ||
|
|
||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.function.Function; | ||
| import java.util.stream.Collectors; | ||
| import java.util.stream.Stream; | ||
|
|
||
| public final class SynchronizedRegistriesHandler { | ||
|
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| private static final Map<ResourceLocation, RegistryEntry<?>> REGISTRY_KEYS = Stream.of( | ||
| // TODO: biome | ||
| new RegistryEntry<>(ChatTypes.getRegistry(), ChatType::decode), | ||
| new RegistryEntry<>(TrimPatterns.getRegistry(), TrimPattern::decode), | ||
| new RegistryEntry<>(TrimMaterials.getRegistry(), TrimMaterial::decode), | ||
| // TODO: wolf_variant | ||
| // TODO: painting_variant | ||
| new RegistryEntry<>(DimensionTypes.getRegistry(), DimensionType::decode), | ||
| // TODO: damage_type | ||
| new RegistryEntry<>(BannerPatterns.getRegistry(), BannerPattern::decode) | ||
| // TODO: enchantment | ||
| // TODO: jukebox_song | ||
| ).collect(Collectors.toMap(RegistryEntry::getRegistryKey, Function.identity())); | ||
|
|
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| private SynchronizedRegistriesHandler() { | ||
| } | ||
|
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| public static void handleRegistry( | ||
| User user, ClientVersion version, | ||
| ResourceLocation registryName, | ||
| List<RegistryElement> elements | ||
| ) { | ||
| RegistryEntry<?> registry = REGISTRY_KEYS.get(registryName); | ||
| if (registry != null) { | ||
| IRegistry<?> syncedRegistry = registry.createFromElements(elements, version); | ||
| user.putUserRegistry(syncedRegistry); | ||
| } | ||
| } | ||
|
|
||
| public static void handleLegacyRegistries( | ||
| User user, ClientVersion version, | ||
| NBTCompound registryData | ||
| ) { | ||
| for (NBT tag : registryData.getTags().values()) { | ||
| NBTCompound compound = (NBTCompound) tag; | ||
| // extract registry name | ||
| ResourceLocation registryName = new ResourceLocation( | ||
| compound.getStringTagValueOrThrow("type")); | ||
| // extract registry entries | ||
| NBTList<NBTCompound> nbtElements = | ||
| compound.getCompoundListTagOrThrow("value"); | ||
| // store registry elements | ||
| handleRegistry(user, version, registryName, | ||
| RegistryElement.convertNbt(nbtElements)); | ||
| } | ||
| } | ||
|
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||
| @FunctionalInterface | ||
| private interface NbtEntryDecoder<T> { | ||
|
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| T decode(NBT nbt, ClientVersion version, @Nullable TypesBuilderData data); | ||
| } | ||
|
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| private static final class RegistryEntry<T extends MappedEntity & CopyableEntity<T>> { | ||
|
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| private final IRegistry<T> baseRegistry; | ||
| private final NbtEntryDecoder<T> decoder; | ||
|
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| public RegistryEntry( | ||
| IRegistry<T> baseRegistry, | ||
| NbtEntryDecoder<T> decoder | ||
| ) { | ||
| this.baseRegistry = baseRegistry; | ||
| this.decoder = decoder; | ||
| } | ||
|
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||
| private void handleElement( | ||
| SimpleRegistry<T> registry, | ||
| RegistryElement element, | ||
| int id, ClientVersion version | ||
| ) { | ||
| TypesBuilderData data = new SimpleTypesBuilderData(element.getId(), id); | ||
| if (element.getData() != null) { | ||
| // data was provided, use registry element sent over network | ||
| T value = this.decoder.decode(element.getData(), version, data); | ||
| registry.define(element.getId(), id, value); | ||
| return; | ||
| } | ||
|
|
||
| // fallback to looking up in vanilla registry | ||
| // this isn't a 100% valid solution, but a full solution to this | ||
| // is not possible with Mojang's concept of known packs | ||
| // | ||
| // if packetevents isn't running on a proxy and two backend servers | ||
| // share the same custom datapack, the entries wouldn't be sent as | ||
| // the player would tell the server it already knows about them | ||
| // | ||
| // this will cause issues, especially when some datapack overrides world height | ||
| // of a vanilla dimension - and this can't be fixed (or I missed something) | ||
|
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| ResourceLocation elementName = element.getId(); | ||
| T baseEntry = this.baseRegistry.getByName(elementName); | ||
| if (baseEntry != null) { | ||
| registry.define(elementName, id, baseEntry.copy(data)); | ||
| return; | ||
| } | ||
|
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||
| // can't find this element anywhere | ||
| // TODO dummy values to make at least simple stuff work? | ||
| PacketEvents.getAPI().getLogger().warning("Unknown registry entry " | ||
| + elementName + " for " + this.getRegistryKey()); | ||
| } | ||
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| public IRegistry<T> createFromElements(List<RegistryElement> elements, ClientVersion version) { | ||
| SimpleRegistry<T> registry = new SimpleRegistry<>(this.getRegistryKey()); | ||
| for (int id = 0; id < elements.size(); id++) { | ||
| RegistryElement element = elements.get(id); | ||
| this.handleElement(registry, element, id, version); | ||
| } | ||
| return registry; | ||
| } | ||
|
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| public ResourceLocation getRegistryKey() { | ||
| return this.baseRegistry.getRegistryKey(); | ||
| } | ||
| } | ||
| } |