ForgePatch/src/test/java/net/minecraftforge/debug/gameplay/DifficultyChangeEventTest.java

/*
 * Minecraft Forge
 * Copyright (c) 2016-2018.
 *
 * 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.debug.gameplay;

import net.minecraftforge.common.MinecraftForge;
import net.minecraftforge.event.DifficultyChangeEvent;
import net.minecraftforge.fml.common.Mod;
import net.minecraftforge.fml.common.Mod.EventHandler;
import net.minecraftforge.fml.event.FMLPreInitializationEvent;
import net.minecraftforge.eventbus.api.SubscribeEvent;
import org.apache.logging.log4j.Logger;

@Mod(modid = "difficultychangeeventtest", name = "DifficultyChangeEventTest", version = "0.0.0", acceptableRemoteVersions = "*")
public class DifficultyChangeEventTest
{
    private static final boolean ENABLE = false;
    private static Logger logger;

    @EventHandler
    public void preInit(FMLPreInitializationEvent event)
    {
        if (ENABLE)
        {
            logger = event.getModLog();
            MinecraftForge.EVENT_BUS.register(this);
        }
    }

    @net.minecraftforge.eventbus.api.SubscribeEvent
    public void onDifficultyChange(DifficultyChangeEvent event)
    {
        logger.info("Difficulty changed from {} to {}", event.getOldDifficulty(), event.getDifficulty());
    }
}