mirror of https://github.com/GeyserMC/Geyser.git
100 lines
4.5 KiB
Java
100 lines
4.5 KiB
Java
/*
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* Copyright (c) 2019-2022 GeyserMC. http://geysermc.org
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* @author GeyserMC
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* @link https://github.com/GeyserMC/Geyser
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*/
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package org.geysermc.geyser.registry;
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import com.github.steveice10.mc.protocol.packet.ingame.clientbound.ClientboundDelimiterPacket;
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import com.github.steveice10.mc.protocol.packet.ingame.clientbound.ClientboundTabListPacket;
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import com.github.steveice10.mc.protocol.packet.ingame.clientbound.level.ClientboundChunkBatchStartPacket;
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import com.github.steveice10.mc.protocol.packet.ingame.clientbound.level.ClientboundLightUpdatePacket;
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import io.netty.channel.EventLoop;
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import org.geysermc.geyser.GeyserImpl;
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import org.geysermc.geyser.registry.loader.RegistryLoaders;
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import org.geysermc.geyser.session.GeyserSession;
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import org.geysermc.geyser.text.GeyserLocale;
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import org.geysermc.geyser.translator.protocol.PacketTranslator;
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import java.util.Collections;
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import java.util.IdentityHashMap;
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import java.util.Set;
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public class PacketTranslatorRegistry<T> extends AbstractMappedRegistry<Class<? extends T>, PacketTranslator<? extends T>, IdentityHashMap<Class<? extends T>, PacketTranslator<? extends T>>> {
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private static final Set<Class<?>> IGNORED_PACKETS = Collections.newSetFromMap(new IdentityHashMap<>());
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static {
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IGNORED_PACKETS.add(ClientboundChunkBatchStartPacket.class); // we don't track chunk batch sizes/periods
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IGNORED_PACKETS.add(ClientboundDelimiterPacket.class); // Not implemented, spams logs
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IGNORED_PACKETS.add(ClientboundLightUpdatePacket.class); // Light is handled on Bedrock for us
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IGNORED_PACKETS.add(ClientboundTabListPacket.class); // Cant be implemented in Bedrock
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}
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protected PacketTranslatorRegistry() {
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super(null, RegistryLoaders.empty(IdentityHashMap::new));
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}
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@SuppressWarnings("unchecked")
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public <P extends T> boolean translate(Class<? extends P> clazz, P packet, GeyserSession session) {
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if (session.getUpstream().isClosed() || session.isClosed()) {
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return false;
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}
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PacketTranslator<P> translator = (PacketTranslator<P>) this.mappings.get(clazz);
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if (translator != null) {
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EventLoop eventLoop = session.getEventLoop();
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if (!translator.shouldExecuteInEventLoop() || eventLoop.inEventLoop()) {
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translate0(session, translator, packet);
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} else {
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eventLoop.execute(() -> translate0(session, translator, packet));
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}
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return true;
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} else {
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if (GeyserImpl.getInstance().getConfig().isDebugMode()) {
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if (!IGNORED_PACKETS.contains(clazz)) {
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GeyserImpl.getInstance().getLogger().debug("Could not find packet for " + (packet.toString().length() > 25 ? packet.getClass().getSimpleName() : packet));
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}
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}
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return false;
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}
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}
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private <P extends T> void translate0(GeyserSession session, PacketTranslator<P> translator, P packet) {
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if (session.isClosed()) {
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return;
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}
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try {
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translator.translate(session, packet);
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} catch (Throwable ex) {
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GeyserImpl.getInstance().getLogger().error(GeyserLocale.getLocaleStringLog("geyser.network.translator.packet.failed", packet.getClass().getSimpleName()), ex);
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ex.printStackTrace();
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}
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}
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public static <T> PacketTranslatorRegistry<T> create() {
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return new PacketTranslatorRegistry<>();
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}
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}
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