equivalent-exchange-3/src/main/java/com/pahimar/ee3/handler/PlayerEventHandler.java

package com.pahimar.ee3.handler;

import static com.pahimar.ee3.api.blacklist.BlacklistRegistryProxy.Blacklist;

import com.pahimar.ee3.network.PacketHandler;
import com.pahimar.ee3.network.message.MessageChalkSettings;
import com.pahimar.ee3.network.message.MessageSyncBlacklist;
import com.pahimar.ee3.network.message.MessageSyncEnergyValues;
import com.pahimar.ee3.settings.ChalkSettings;
import com.pahimar.ee3.util.EntityHelper;
import cpw.mods.fml.common.eventhandler.SubscribeEvent;
import net.minecraft.entity.player.EntityPlayerMP;
import net.minecraft.nbt.NBTTagCompound;

public class PlayerEventHandler {
    @SubscribeEvent
    public void
    onPlayerLoggedIn(cpw.mods.fml.common.gameevent.PlayerEvent.PlayerLoggedInEvent event
    ) {
        if (event.player != null) {
            NBTTagCompound playerCustomData
                = EntityHelper.getCustomEntityData(event.player);

            // Chalk Settings
            ChalkSettings chalkSettings = new ChalkSettings();
            chalkSettings.readFromNBT(playerCustomData);
            chalkSettings.writeToNBT(playerCustomData);
            EntityHelper.saveCustomEntityData(event.player, playerCustomData);
            PacketHandler.INSTANCE.sendTo(
                new MessageChalkSettings(chalkSettings), (EntityPlayerMP) event.player
            );

            PacketHandler.INSTANCE.sendTo(
                new MessageSyncEnergyValues(), (EntityPlayerMP) event.player
            );
            PacketHandler.INSTANCE.sendTo(
                new MessageSyncBlacklist(Blacklist.KNOWLEDGE),
                (EntityPlayerMP) event.player
            );
            PacketHandler.INSTANCE.sendTo(
                new MessageSyncBlacklist(Blacklist.EXCHANGE),
                (EntityPlayerMP) event.player
            );
        }
    }
}