ModConfig.java

package choonster.testmod3.config;

import choonster.testmod3.TestMod3;
import net.minecraftforge.common.config.Config;
import net.minecraftforge.common.config.ConfigManager;
import net.minecraftforge.fml.client.event.ConfigChangedEvent;
import net.minecraftforge.fml.common.Mod;
import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;

@Config(modid = TestMod3.MODID)
@Config.LangKey("testmod3.config.title")
public class ModConfig {

	@Config.Comment("This is an example boolean property.")
	public static boolean fooBar = false;

	public static Client client = new Client();

	public static class Client {

		@Config.Comment("This is an example int property.")
		public int baz = -100;

		public HUDPos chunkEnergyHUDPos = new HUDPos(0, 0);

		public static class HUDPos {
			public HUDPos(int x, int y) {
				this.x = x;
				this.y = y;
			}

			@Config.Comment("The x coordinate")
			public int x;

			@Config.Comment("The y coordinate")
			public int y;
		}
	}

	@Mod.EventBusSubscriber
	private static class EventHandler {

		/**
		 * Inject the new values and save to the config file when the config has been changed from the GUI.
		 *
		 * @param event The event
		 */
		@SubscribeEvent
		public static void onConfigChanged(ConfigChangedEvent.OnConfigChangedEvent event) {
			if (event.getModID().equals(TestMod3.MODID)) {
				ConfigManager.sync(TestMod3.MODID, Config.Type.INSTANCE);
			}
		}
	}
}