BiomesOPlenty/src/minecraft/biomesoplenty/items/projectiles/EntityMudball.java

package biomesoplenty.items.projectiles;

import net.minecraft.entity.EntityLivingBase;
import net.minecraft.entity.projectile.EntityThrowable;
import net.minecraft.potion.Potion;
import net.minecraft.potion.PotionEffect;
import net.minecraft.util.DamageSource;
import net.minecraft.util.MovingObjectPosition;
import net.minecraft.world.World;
import biomesoplenty.BiomesOPlenty;
import biomesoplenty.ClientProxy;

public class EntityMudball extends EntityThrowable
{
	boolean isClient = BiomesOPlenty.proxy instanceof ClientProxy;

	public EntityMudball(World par1World)
	{
		super(par1World);
	}

	public EntityMudball(World par1World, EntityLivingBase par2EntityLivingBase)
	{
		super(par1World, par2EntityLivingBase);
	}

	public EntityMudball(World par1World, double par2, double par4, double par6)
	{
		super(par1World, par2, par4, par6);
	}

	@Override
	protected void onImpact(MovingObjectPosition par1MovingObjectPosition)
	{
		if (par1MovingObjectPosition.entityHit != null)
		{
			par1MovingObjectPosition.entityHit.attackEntityFrom(DamageSource.causeThrownDamage(this, this.getThrower()), 0);
			
			if (par1MovingObjectPosition.entityHit instanceof EntityLivingBase) 
			{
				((EntityLivingBase)par1MovingObjectPosition.entityHit).addPotionEffect(new PotionEffect(Potion.moveSlowdown.id, 400, 2));
			}
		}

		for (int i = 0; i < 16; ++i)
		{
			BiomesOPlenty.proxy.spawnParticle("mud", posX, posY, posZ);
		}

		if (!worldObj.isRemote)
		{
			this.setDead();
		}
	}
}