EntityMudBall.java

package minestrapteam.mods.minestrappolation.entity;

import minestrapteam.mods.minestrappolation.lib.MItems;
import net.minecraft.entity.EntityLiving;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.entity.projectile.EntityThrowable;
import net.minecraft.item.Item;
import net.minecraft.potion.Potion;
import net.minecraft.potion.PotionEffect;
import net.minecraft.util.DamageSource;
import net.minecraft.util.EnumParticleTypes;
import net.minecraft.util.MovingObjectPosition;
import net.minecraft.world.World;

import java.util.Random;

public class EntityMudBall extends EntityThrowable
{
	public EntityMudBall(World worldIn)
	{
		super(worldIn);
	}

	public EntityMudBall(World worldIn, EntityLivingBase throwerIn)
	{
		super(worldIn, throwerIn);
	}

	public EntityMudBall(World worldIn, double x, double y, double z)
	{
		super(worldIn, x, y, z);
	}

	/**
	 * Called when this EntityThrowable hits a block or entity.
	 */
	@Override
	protected void onImpact(MovingObjectPosition pos)
	{
		if (pos.entityHit != null)
		{
			Random rand = new Random();
			int dam = rand.nextInt(2);
			pos.entityHit.attackEntityFrom(DamageSource.causeThrownDamage(this, this.getThrower()), (float) dam);
			if (pos.entityHit instanceof EntityLiving)
			{
				int duration = rand.nextInt(10) + 2;
				((EntityLivingBase) pos.entityHit)
					.addPotionEffect(new PotionEffect(Potion.blindness.id, duration * 20, 1, true, false));
			}
		}

		for (int i = 0; i < 8; ++i)
		{
			this.worldObj.spawnParticle(EnumParticleTypes.ITEM_CRACK, this.posX, this.posY, this.posZ,
			                            ((double) this.rand.nextFloat() - 0.5D) * 0.08D,
			                            ((double) this.rand.nextFloat() - 0.5D) * 0.08D,
			                            ((double) this.rand.nextFloat() - 0.5D) * 0.08D,
			                            Item.getIdFromItem(MItems.mud_ball));
		}

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