forked from GeyserMC/Geyser
289 lines
11 KiB
Java
289 lines
11 KiB
Java
/*
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* Copyright (c) 2019-2020 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.game.scoreboard.TeamColor;
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import com.github.steveice10.mc.protocol.data.message.style.ChatColor;
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import com.github.steveice10.mc.protocol.data.message.style.ChatFormat;
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import net.kyori.adventure.text.Component;
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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.legacy.LegacyComponentSerializer;
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import net.kyori.adventure.translation.TranslationRegistry;
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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.*;
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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 TranslationRegistry REGISTRY = new MinecraftTranslationRegistry();
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private static final TranslatableComponentRenderer<Locale> RENDERER = TranslatableComponentRenderer.usingTranslationSource(REGISTRY);
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// Store team colors for player names
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private static final Map<TeamColor, String> TEAM_COLORS = new HashMap<>();
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static {
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TEAM_COLORS.put(TeamColor.BLACK, getColor(ChatColor.BLACK));
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TEAM_COLORS.put(TeamColor.DARK_BLUE, getColor(ChatColor.DARK_BLUE));
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TEAM_COLORS.put(TeamColor.DARK_GREEN, getColor(ChatColor.DARK_GREEN));
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TEAM_COLORS.put(TeamColor.DARK_AQUA, getColor(ChatColor.DARK_AQUA));
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TEAM_COLORS.put(TeamColor.DARK_RED, getColor(ChatColor.DARK_RED));
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TEAM_COLORS.put(TeamColor.DARK_PURPLE, getColor(ChatColor.DARK_PURPLE));
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TEAM_COLORS.put(TeamColor.GOLD, getColor(ChatColor.GOLD));
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TEAM_COLORS.put(TeamColor.GRAY, getColor(ChatColor.GRAY));
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TEAM_COLORS.put(TeamColor.DARK_GRAY, getColor(ChatColor.DARK_GRAY));
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TEAM_COLORS.put(TeamColor.BLUE, getColor(ChatColor.BLUE));
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TEAM_COLORS.put(TeamColor.GREEN, getColor(ChatColor.GREEN));
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TEAM_COLORS.put(TeamColor.AQUA, getColor(ChatColor.AQUA));
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TEAM_COLORS.put(TeamColor.RED, getColor(ChatColor.RED));
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TEAM_COLORS.put(TeamColor.LIGHT_PURPLE, getColor(ChatColor.LIGHT_PURPLE));
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TEAM_COLORS.put(TeamColor.YELLOW, getColor(ChatColor.YELLOW));
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TEAM_COLORS.put(TeamColor.WHITE, getColor(ChatColor.WHITE));
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TEAM_COLORS.put(TeamColor.OBFUSCATED, getFormat(ChatFormat.OBFUSCATED));
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TEAM_COLORS.put(TeamColor.BOLD, getFormat(ChatFormat.BOLD));
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TEAM_COLORS.put(TeamColor.STRIKETHROUGH, getFormat(ChatFormat.STRIKETHROUGH));
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TEAM_COLORS.put(TeamColor.ITALIC, getFormat(ChatFormat.ITALIC));
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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(String message, String locale) {
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Component component = GsonComponentSerializer.gson().deserialize(message);
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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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component = RENDERER.render(component, localeCode);
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String legacy = LegacyComponentSerializer.legacySection().serialize(component);
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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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}
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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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/**
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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 (isMessage(message)) {
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return convertMessage(message, locale);
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} else {
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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(getColor(ChatColor.RESET)) && !convertedMessage.startsWith(getColor(ChatColor.RESET))) {
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convertedMessage = getColor(ChatColor.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 GsonComponentSerializer.gson().serialize(component);
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}
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/**
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* Checks if the given text string is a JSON message
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*
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* @param text String to test
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* @return True if its a valid message JSON string, false if not
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*/
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public static boolean isMessage(String text) {
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if (text.trim().isEmpty()) {
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return false;
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}
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try {
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GsonComponentSerializer.gson().deserialize(text);
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} catch (Exception ex) {
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return false;
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}
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return true;
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}
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/**
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* Convert a {@link ChatColor} into a string for inserting into messages
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*
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* @param color {@link ChatColor} to convert
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* @return The converted color string
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*/
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private static String getColor(String color) {
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String base = "\u00a7";
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switch (color) {
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case ChatColor.BLACK:
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base += "0";
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break;
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case ChatColor.DARK_BLUE:
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base += "1";
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break;
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case ChatColor.DARK_GREEN:
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base += "2";
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break;
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case ChatColor.DARK_AQUA:
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base += "3";
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break;
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case ChatColor.DARK_RED:
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base += "4";
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break;
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case ChatColor.DARK_PURPLE:
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base += "5";
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break;
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case ChatColor.GOLD:
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base += "6";
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break;
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case ChatColor.GRAY:
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base += "7";
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break;
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case ChatColor.DARK_GRAY:
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base += "8";
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break;
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case ChatColor.BLUE:
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base += "9";
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break;
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case ChatColor.GREEN:
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base += "a";
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break;
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case ChatColor.AQUA:
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base += "b";
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break;
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case ChatColor.RED:
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base += "c";
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break;
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case ChatColor.LIGHT_PURPLE:
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base += "d";
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break;
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case ChatColor.YELLOW:
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base += "e";
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break;
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case ChatColor.WHITE:
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base += "f";
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break;
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case ChatColor.RESET:
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base += "r";
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break;
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default:
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return "";
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}
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return base;
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}
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/**
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* Convert a {@link ChatFormat} into a string for inserting into messages
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*
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* @param format {@link ChatFormat} to convert
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* @return The converted chat formatting string
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*/
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private static String getFormat(ChatFormat format) {
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StringBuilder str = new StringBuilder();
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String base = "\u00a7";
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switch (format) {
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case OBFUSCATED:
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base += "k";
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break;
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case BOLD:
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base += "l";
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break;
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case STRIKETHROUGH:
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base += "m";
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break;
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case UNDERLINED:
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base += "n";
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break;
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case ITALIC:
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base += "o";
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break;
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default:
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return "";
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}
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str.append(base);
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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
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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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return TEAM_COLORS.getOrDefault(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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}
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