ServerTickEventHandler

package io.github.hsyyid.wilsonsmp.eventhandlers;

import net.minecraftforge.fml.relauncher.Side;

import net.minecraft.entity.monster.EntityEnderman;
import net.minecraft.entity.monster.EntityPigZombie;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.server.MinecraftServer;
import net.minecraft.util.EntityDamageSource;
import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
import net.minecraftforge.fml.common.gameevent.TickEvent;

import java.util.List;

public class ServerTickEventHandler
{
    @SuppressWarnings("unchecked")
    @SubscribeEvent
    public void onServerTick(TickEvent.ServerTickEvent event)
    {
        if (MinecraftServer.getServer().worldServers[0].getWorldTime() % 8 == 0 && event.side.equals(Side.SERVER))
        {
            for (EntityPlayer player : (List<EntityPlayer>) MinecraftServer.getServer().getConfigurationManager().playerEntityList)
            {
                List<EntityPigZombie> pigzombies = player.worldObj.getEntitiesWithinAABB(EntityPigZombie.class, player.getEntityBoundingBox().expand(3, 3, 3));

                if (pigzombies != null)
                {
                    for (EntityPigZombie pigzombie : pigzombies)
                    {
                        if (!pigzombie.isAngry())
                        {
                            pigzombie.attackEntityFrom(EntityDamageSource.causePlayerDamage(player), 0.001f);
                        }
                    }
                }

                List<EntityEnderman> endermen = player.worldObj.getEntitiesWithinAABB(EntityEnderman.class, player.getEntityBoundingBox().expand(3, 3, 3));

                if (endermen != null)
                {
                    for (EntityEnderman enderman : endermen)
                    {
                        if (enderman.getAttackTarget() == null)
                        {
                            enderman.attackEntityFrom(EntityDamageSource.causePlayerDamage(player), 0.001f);
                        }
                    }
                }
            }
        }
    }
}