93 lines
3.2 KiB
Java
93 lines
3.2 KiB
Java
/*
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* This file is part of ViaVersion Mappings - https://github.com/ViaVersion/Mappings
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* Copyright (C) 2023 Nassim Jahnke
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* Copyright (C) 2023 ViaVersion and contributors
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package com.viaversion.mappingsgenerator;
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import java.io.File;
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import java.net.URL;
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import java.net.URLClassLoader;
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public final class Main {
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private static final String[] ARGS = {"--reports"};
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public static void main(final String[] args) throws Exception {
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if (args.length != 2) {
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throw new IllegalArgumentException("Required args: path to server jar, version");
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}
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final String serverPath = args[0];
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final String version = args[1];
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MappingsGenerator.cleanup();
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final File serverFile = new File(serverPath);
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if (!serverFile.exists()) {
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System.err.println("Server file does not exist at " + serverFile);
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System.exit(1);
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}
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System.out.println("Loading net.minecraft.data.Main class...");
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final ClassLoader loader = URLClassLoader.newInstance(
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new URL[]{serverFile.toURI().toURL()},
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Main.class.getClassLoader()
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);
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final Object o = loadMain(loader).getConstructor().newInstance();
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final Object[] mainArgs = {ARGS};
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o.getClass().getDeclaredMethod("main", String[].class).invoke(null, mainArgs);
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waitForServerMain();
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MappingsGenerator.collectMappings(version);
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}
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public static void waitForServerMain() throws InterruptedException {
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final Thread serverMain = threadByName("ServerMain");
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if (serverMain == null) {
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return;
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}
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int i = 0;
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while (serverMain.isAlive()) {
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Thread.sleep(50);
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if (i++ * 50 > 30_000) {
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System.err.println("Something definitely went wrong");
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System.exit(1);
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}
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}
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}
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private static Thread threadByName(final String name) {
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for (final Thread thread : Thread.getAllStackTraces().keySet()) {
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if (thread.getName().equals(name)) {
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return thread;
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}
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}
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return null;
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}
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private static Class<?> loadMain(final ClassLoader classLoader) throws ClassNotFoundException {
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System.setProperty("bundlerMainClass", "net.minecraft.data.Main");
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try {
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return classLoader.loadClass("net.minecraft.bundler.Main");
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} catch (final ClassNotFoundException ignored) {
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return classLoader.loadClass("net.minecraft.data.Main");
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}
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}
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}
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