mirror of
https://github.com/GeyserMC/Geyser.git
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154 lines
7 KiB
Java
154 lines
7 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.platform.spigot;
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import com.github.steveice10.mc.protocol.data.DefaultComponentSerializer;
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import net.kyori.adventure.text.Component;
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import org.bukkit.command.CommandSender;
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import org.checkerframework.checker.nullness.qual.Nullable;
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import org.geysermc.geyser.GeyserImpl;
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import java.lang.invoke.MethodHandle;
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import java.lang.invoke.MethodHandles;
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import java.lang.invoke.MethodType;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.Method;
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/**
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* Utility class for converting our shaded Adventure into the Adventure bundled in Paper.
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* <p>
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* Code mostly taken from <a href="https://github.com/KyoriPowered/adventure-platform/blob/94d5821f2e755170f42bd8a5fe1d5bf6f66d04ad/platform-bukkit/src/main/java/net/kyori/adventure/platform/bukkit/PaperFacet.java#L46">here</a>
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* and the MinecraftReflection class.
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*/
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public final class PaperAdventure {
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private static final MethodHandle NATIVE_GSON_COMPONENT_SERIALIZER_DESERIALIZE_METHOD_BOUND;
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private static final Method SEND_MESSAGE_COMPONENT;
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static {
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final MethodHandles.Lookup lookup = MethodHandles.lookup();
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MethodHandle nativeGsonComponentSerializerDeserializeMethodBound = null;
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// String.join because otherwise the class name will be relocated
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final Class<?> nativeGsonComponentSerializerClass = findClass(String.join(".",
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"net", "kyori", "adventure", "text", "serializer", "gson", "GsonComponentSerializer"));
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final Class<?> nativeGsonComponentSerializerImplClass = findClass(String.join(".",
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"net", "kyori", "adventure", "text", "serializer", "gson", "GsonComponentSerializerImpl"));
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if (nativeGsonComponentSerializerClass != null && nativeGsonComponentSerializerImplClass != null) {
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MethodHandle nativeGsonComponentSerializerGsonGetter = null;
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try {
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nativeGsonComponentSerializerGsonGetter = lookup.findStatic(nativeGsonComponentSerializerClass,
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"gson", MethodType.methodType(nativeGsonComponentSerializerClass));
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} catch (final NoSuchMethodException | IllegalAccessException ignored) {
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}
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MethodHandle nativeGsonComponentSerializerDeserializeMethod = null;
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try {
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final Method method = nativeGsonComponentSerializerImplClass.getDeclaredMethod("deserialize", String.class);
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method.setAccessible(true);
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nativeGsonComponentSerializerDeserializeMethod = lookup.unreflect(method);
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} catch (final NoSuchMethodException | IllegalAccessException ignored) {
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}
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if (nativeGsonComponentSerializerGsonGetter != null) {
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if (nativeGsonComponentSerializerDeserializeMethod != null) {
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try {
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nativeGsonComponentSerializerDeserializeMethodBound = nativeGsonComponentSerializerDeserializeMethod
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.bindTo(nativeGsonComponentSerializerGsonGetter.invoke());
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} catch (final Throwable throwable) {
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GeyserImpl.getInstance().getLogger().error("Failed to access native GsonComponentSerializer", throwable);
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}
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}
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}
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}
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NATIVE_GSON_COMPONENT_SERIALIZER_DESERIALIZE_METHOD_BOUND = nativeGsonComponentSerializerDeserializeMethodBound;
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Method playerComponentSendMessage = null;
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final Class<?> nativeComponentClass = findClass(String.join(".",
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"net", "kyori", "adventure", "text", "Component"));
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if (nativeComponentClass != null) {
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try {
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playerComponentSendMessage = CommandSender.class.getMethod("sendMessage", nativeComponentClass);
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} catch (final NoSuchMethodException e) {
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if (GeyserImpl.getInstance().getLogger().isDebug()) {
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e.printStackTrace();
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}
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}
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}
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SEND_MESSAGE_COMPONENT = playerComponentSendMessage;
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}
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public static @Nullable Object toNativeComponent(final Component component) {
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if (NATIVE_GSON_COMPONENT_SERIALIZER_DESERIALIZE_METHOD_BOUND == null) {
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GeyserImpl.getInstance().getLogger().error("Illegal state where Component serialization was called when it wasn't available!");
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return null;
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}
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try {
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return NATIVE_GSON_COMPONENT_SERIALIZER_DESERIALIZE_METHOD_BOUND.invoke(DefaultComponentSerializer.get().serialize(component));
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} catch (final Throwable throwable) {
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GeyserImpl.getInstance().getLogger().error("Failed to create native Component message", throwable);
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return null;
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}
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}
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public static void sendMessage(final CommandSender sender, final Component component) {
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if (SEND_MESSAGE_COMPONENT == null) {
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GeyserImpl.getInstance().getLogger().error("Illegal state where Component sendMessage was called when it wasn't available!");
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return;
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}
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final Object nativeComponent = toNativeComponent(component);
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if (nativeComponent != null) {
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try {
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SEND_MESSAGE_COMPONENT.invoke(sender, nativeComponent);
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} catch (final InvocationTargetException | IllegalAccessException e) {
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GeyserImpl.getInstance().getLogger().error("Failed to send native Component message", e);
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}
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}
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}
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public static boolean canSendMessageUsingComponent() {
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return SEND_MESSAGE_COMPONENT != null;
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}
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/**
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* Gets a class by the first name available.
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*
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* @return a class or {@code null} if not found
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*/
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private static @Nullable Class<?> findClass(final String className) {
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try {
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return Class.forName(className);
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} catch (final ClassNotFoundException ignored) {
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}
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return null;
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}
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private PaperAdventure() {
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}
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}
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