ForgePatch/src/main/java/net/minecraftforge/fml/LaunchTesting.java

/*
 * Minecraft Forge
 * Copyright (c) 2018.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation version 2.1
 * of the License.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */

package net.minecraftforge.fml;

import com.google.common.base.Strings;
import cpw.mods.modlauncher.Launcher;
import net.minecraft.block.Block;
import net.minecraft.block.properties.PropertyEnum;
import net.minecraft.block.state.BlockStateContainer;
import net.minecraft.item.EnumDyeColor;
import org.apache.logging.log4j.Level;
import org.apache.logging.log4j.MarkerManager;
import org.apache.logging.log4j.core.Filter;
import org.apache.logging.log4j.core.LoggerContext;
import org.apache.logging.log4j.core.config.Configuration;
import org.apache.logging.log4j.core.config.ConfigurationFactory;
import org.apache.logging.log4j.core.config.Configurator;
import org.apache.logging.log4j.core.config.builder.api.ConfigurationBuilder;
import org.apache.logging.log4j.core.config.builder.api.ConfigurationBuilderFactory;
import org.apache.logging.log4j.core.config.builder.impl.BuiltConfiguration;
import org.apache.logging.log4j.core.config.composite.CompositeConfiguration;
import org.apache.logging.log4j.core.filter.MarkerFilter;

import java.io.File;
import java.lang.reflect.Field;

import static cpw.mods.modlauncher.Logging.CLASSLOADING;
import static net.minecraftforge.fml.Logging.fmlLog;

public class LaunchTesting
{
    public static void main(String... args) throws InterruptedException
    {
        Configurator.setRootLevel(Level.DEBUG);
        final MarkerFilter classloadingFilter = MarkerFilter.createFilter("CLASSLOADING", Filter.Result.DENY, Filter.Result.NEUTRAL);
        final MarkerFilter launchpluginFilter = MarkerFilter.createFilter("LAUNCHPLUGIN", Filter.Result.DENY, Filter.Result.NEUTRAL);
        final LoggerContext logcontext = LoggerContext.getContext(false);
//        logcontext.getConfiguration().addFilter(classloadingFilter);
        logcontext.getConfiguration().addFilter(launchpluginFilter);
        logcontext.updateLoggers();
        hackNatives();
        Launcher.main("--launchTarget", "devfmlclient","--gameDir", "projects/run",
                "--accessToken", "blah", "--version", "FMLDev", "--assetIndex", "1.12",
                "--assetsDir","/home/cpw/.gradle/caches/minecraft/assets",
                "--userProperties", "{}");
        Thread.sleep(10000);
    }

    private static void hackNatives()
    {
        String paths = System.getProperty("java.library.path");
        String nativesDir = "/home/cpw/.gradle/caches/minecraft/net/minecraft/natives/1.12.2";

        if (Strings.isNullOrEmpty(paths))
            paths = nativesDir;
        else
            paths += File.pathSeparator + nativesDir;

        System.setProperty("java.library.path", paths);

        // hack the classloader now.
        try
        {
            final Field sysPathsField = ClassLoader.class.getDeclaredField("sys_paths");
            sysPathsField.setAccessible(true);
            sysPathsField.set(null, null);
        }
        catch(Throwable t) {}
    }

}