mirror of https://github.com/GeyserMC/Geyser.git
278 lines
10 KiB
Java
278 lines
10 KiB
Java
/*
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* Copyright (c) 2019-2021 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.connector.network.translators.chat;
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import com.github.steveice10.mc.protocol.data.DefaultComponentSerializer;
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import com.github.steveice10.mc.protocol.data.game.scoreboard.TeamColor;
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import net.kyori.adventure.text.Component;
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import net.kyori.adventure.text.format.NamedTextColor;
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import net.kyori.adventure.text.format.TextDecoration;
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import net.kyori.adventure.text.renderer.TranslatableComponentRenderer;
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import net.kyori.adventure.text.serializer.gson.GsonComponentSerializer;
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import net.kyori.adventure.text.serializer.gson.legacyimpl.NBTLegacyHoverEventSerializer;
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import net.kyori.adventure.text.serializer.legacy.LegacyComponentSerializer;
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import org.geysermc.connector.GeyserConnector;
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import org.geysermc.connector.network.session.GeyserSession;
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import org.geysermc.connector.utils.LanguageUtils;
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import java.util.HashMap;
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import java.util.Locale;
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import java.util.Map;
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public class MessageTranslator {
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// These are used for handling the translations of the messages
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private static final TranslatableComponentRenderer<Locale> RENDERER = TranslatableComponentRenderer.usingTranslationSource(new MinecraftTranslationRegistry());
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// Construct our own {@link GsonComponentSerializer} since we need to change a setting
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private static final GsonComponentSerializer GSON_SERIALIZER = GsonComponentSerializer.builder()
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// Specify that we may be expecting legacy hover events
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.legacyHoverEventSerializer(NBTLegacyHoverEventSerializer.get())
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.build();
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// Store team colors for player names
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private static final Map<TeamColor, TextDecoration> TEAM_FORMATS = new HashMap<>();
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// Legacy formatting character
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private static final String BASE = "\u00a7";
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// Reset character
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private static final String RESET = BASE + "r";
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static {
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TEAM_FORMATS.put(TeamColor.OBFUSCATED, TextDecoration.OBFUSCATED);
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TEAM_FORMATS.put(TeamColor.BOLD, TextDecoration.BOLD);
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TEAM_FORMATS.put(TeamColor.STRIKETHROUGH, TextDecoration.STRIKETHROUGH);
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TEAM_FORMATS.put(TeamColor.ITALIC, TextDecoration.ITALIC);
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// Tell MCProtocolLib to use our serializer
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DefaultComponentSerializer.set(GSON_SERIALIZER);
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}
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/**
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* Convert a Java message to the legacy format ready for bedrock
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*
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* @param message Java message
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* @param locale Locale to use for translation strings
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* @return Parsed and formatted message for bedrock
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*/
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public static String convertMessage(Component message, String locale) {
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try {
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// Get a Locale from the given locale string
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Locale localeCode = Locale.forLanguageTag(locale.replace('_', '-'));
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message = RENDERER.render(message, localeCode);
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String legacy = LegacyComponentSerializer.legacySection().serialize(message);
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// Strip strikethrough and underline as they are not supported on bedrock
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legacy = legacy.replaceAll("\u00a7[mn]", "");
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// Make color codes reset formatting like Java
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// See https://minecraft.gamepedia.com/Formatting_codes#Usage
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legacy = legacy.replaceAll("\u00a7([0-9a-f])", "\u00a7r\u00a7$1");
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legacy = legacy.replaceAll("\u00a7r\u00a7r", "\u00a7r");
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return legacy;
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} catch (Exception e) {
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GeyserConnector.getInstance().getLogger().debug(GSON_SERIALIZER.serialize(message));
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GeyserConnector.getInstance().getLogger().error("Failed to parse message", e);
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return "";
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}
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}
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public static String convertMessage(String message, String locale) {
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return convertMessage(GSON_SERIALIZER.deserialize(message), locale);
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}
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public static String convertMessage(String message) {
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return convertMessage(message, LanguageUtils.getDefaultLocale());
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}
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public static String convertMessage(Component message) {
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return convertMessage(message, LanguageUtils.getDefaultLocale());
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}
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/**
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* Verifies the message is valid JSON in case it's plaintext. Works around GsonComponentSeraializer not using lenient mode.
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* See https://wiki.vg/Chat for messages sent in lenient mode, and for a description on leniency.
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*
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* @param message Potentially lenient JSON message
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* @param locale Locale to use for translation strings
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* @return Bedrock formatted message
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*/
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public static String convertMessageLenient(String message, String locale) {
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if (message.isBlank()) {
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return message;
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}
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try {
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return convertMessage(message, locale);
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} catch (Exception ignored) {
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String convertedMessage = convertMessage(convertToJavaMessage(message), locale);
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// We have to do this since Adventure strips the starting reset character
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if (message.startsWith(RESET) && !convertedMessage.startsWith(RESET)) {
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convertedMessage = RESET + convertedMessage;
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}
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return convertedMessage;
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}
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}
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public static String convertMessageLenient(String message) {
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return convertMessageLenient(message, LanguageUtils.getDefaultLocale());
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}
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/**
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* Convert a Bedrock message string back to a format Java can understand
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*
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* @param message Message to convert
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* @return The formatted JSON string
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*/
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public static String convertToJavaMessage(String message) {
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Component component = LegacyComponentSerializer.legacySection().deserialize(message);
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return GSON_SERIALIZER.serialize(component);
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}
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/**
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* Convert a {@link NamedTextColor} into a string for inserting into messages
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*
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* @param color {@link NamedTextColor} to convert
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* @return The converted color string
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*/
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private static String getColor(NamedTextColor color) {
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StringBuilder str = new StringBuilder(BASE);
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if (color.equals(NamedTextColor.BLACK)) {
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str.append("0");
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} else if (color.equals(NamedTextColor.DARK_BLUE)) {
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str.append("1");
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} else if (color.equals(NamedTextColor.DARK_GREEN)) {
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str.append("2");
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} else if (color.equals(NamedTextColor.DARK_AQUA)) {
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str.append("3");
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} else if (color.equals(NamedTextColor.DARK_RED)) {
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str.append("4");
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} else if (color.equals(NamedTextColor.DARK_PURPLE)) {
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str.append("5");
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} else if (color.equals(NamedTextColor.GOLD)) {
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str.append("6");
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} else if (color.equals(NamedTextColor.GRAY)) {
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str.append("7");
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} else if (color.equals(NamedTextColor.DARK_GRAY)) {
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str.append("8");
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} else if (color.equals(NamedTextColor.BLUE)) {
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str.append("9");
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} else if (color.equals(NamedTextColor.GREEN)) {
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str.append("a");
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} else if (color.equals(NamedTextColor.AQUA)) {
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str.append("b");
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} else if (color.equals(NamedTextColor.RED)) {
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str.append("c");
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} else if (color.equals(NamedTextColor.LIGHT_PURPLE)) {
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str.append("d");
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} else if (color.equals(NamedTextColor.YELLOW)) {
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str.append("e");
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} else if (color.equals(NamedTextColor.WHITE)) {
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str.append("f");
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} else {
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return "";
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}
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return str.toString();
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}
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/**
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* Convert a {@link TextDecoration} into a string for inserting into messages
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*
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* @param format {@link TextDecoration} to convert
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* @return The converted chat formatting string
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*/
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private static String getFormat(TextDecoration format) {
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StringBuilder str = new StringBuilder(BASE);
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switch (format) {
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case OBFUSCATED:
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str.append("k");
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break;
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case BOLD:
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str.append("l");
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break;
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case STRIKETHROUGH:
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str.append("m");
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break;
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case UNDERLINED:
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str.append("n");
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break;
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case ITALIC:
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str.append("o");
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break;
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default:
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return "";
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}
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return str.toString();
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}
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/**
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* Convert a team color to a chat color
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*
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* @param teamColor Color or format to convert
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* @return The chat color character
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*/
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public static String toChatColor(TeamColor teamColor) {
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if (teamColor.equals(TeamColor.NONE)) {
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return "";
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}
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NamedTextColor textColor = NamedTextColor.NAMES.value(teamColor.name().toLowerCase());
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if (textColor != null) {
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return getColor(textColor);
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}
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return getFormat(TEAM_FORMATS.get(teamColor));
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}
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/**
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* Checks if the given message is over 256 characters (Java edition server chat limit) and sends a message to the user if it is
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*
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* @param message Message to check
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* @param session {@link GeyserSession} for the user
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* @return True if the message is too long, false if not
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*/
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public static boolean isTooLong(String message, GeyserSession session) {
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if (message.length() > 256) {
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session.sendMessage(LanguageUtils.getPlayerLocaleString("geyser.chat.too_long", session.getLocale(), message.length()));
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return true;
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}
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return false;
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}
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public static void init() {
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// no-op
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}
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}
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