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[1.8.9] Event activates on singleplayer, but refuses to access on multiplayer


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I'm relatively new to the modding aspect of Minecraft. After failing my way through forums and documentation, I created a mod that detects when a player logs in and performs a keypress. Problem is that this works perfectly fine in singleplayer, but doesn't do anything in multiplayer. I've been trying to find a solution for ages, but no luck. In my package i have 4 class files, a main(dimension), a command(command), references(reference), and the event(Event). 


Main class:

package com.zukitsu.dimension;

import java.beans.EventHandler;
import java.util.concurrent.TimeUnit;

import net.minecraft.client.Minecraft;
import net.minecraft.command.*;
import net.minecraftforge.client.ClientCommandHandler;
import net.minecraftforge.common.MinecraftForge;
import net.minecraftforge.fml.common.FMLCommonHandler;
import net.minecraftforge.fml.common.Mod;
import net.minecraftforge.fml.common.Mod.*;
import net.minecraftforge.fml.common.event.FMLInitializationEvent;
import net.minecraftforge.fml.common.event.FMLPostInitializationEvent;
import net.minecraftforge.fml.common.event.FMLPreInitializationEvent;
import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
import net.minecraftforge.fml.common.gameevent.PlayerEvent.PlayerChangedDimensionEvent;

@Mod(modid = Reference.MODID, name = Reference.NAME, version = Reference.VERSION)
public class Dimension {
	public static void preInit(FMLPreInitializationEvent event) {	
	public static void Init(FMLInitializationEvent event) {
        MinecraftForge.EVENT_BUS.register(new Event());
		ClientCommandHandler.instance.registerCommand(new Command());	
	public static void PostInit(FMLPostInitializationEvent event) {





package com.zukitsu.dimension;

import java.awt.AWTException;

import java.awt.Robot;

import net.minecraft.client.Minecraft;
import net.minecraft.entity.*;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.util.ChatComponentText;
import net.minecraftforge.event.entity.EntityJoinWorldEvent;
import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
import net.minecraftforge.fml.common.gameevent.PlayerEvent.PlayerLoggedInEvent;
import net.minecraftforge.fml.common.gameevent.PlayerEvent.PlayerLoggedOutEvent;

public class Event {

	public void joinWorldEvent(PlayerLoggedInEvent event) throws InterruptedException, AWTException{
		if(Command.v == 1) {
				Minecraft.getMinecraft().thePlayer.addChatComponentMessage(new ChatComponentText("Activated"));
				Robot robot;
			    robot = new Robot();



As for References, I don't think that's necessary? And Command works fine, it is detected on multiplayer servers, but the event is not. Command.v is an integer variable in command which is set to 0 if the player does /dd false and 1 if /dd true.

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