EventHandlerShatter.java

package net.minecraftplus.mcp_shatter;

import java.util.Random;

import net.minecraft.enchantment.Enchantment;
import net.minecraft.enchantment.EnchantmentHelper;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.entity.projectile.EntityArrow;
import net.minecraft.init.Items;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.stats.StatList;
import net.minecraft.world.World;
import net.minecraftforge.event.entity.player.ArrowLooseEvent;
import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
import net.minecraftplus._api.dictionary.Sounds;

public class EventHandlerShatter
{
	@SubscribeEvent
	public void onArrowLoose(ArrowLooseEvent parEvent)
	{
		//Compare To: @ItemBow
		int j = parEvent.charge;

		if (j < 40) return;

		World worldIn = parEvent.entityPlayer.worldObj;
		ItemStack stack = parEvent.bow;
		Random itemRand = new Random();
		EntityPlayer playerIn = parEvent.entityPlayer;

		boolean flag = playerIn.capabilities.isCreativeMode || EnchantmentHelper.getEnchantmentLevel(Enchantment.infinity.effectId, stack) > 0;

		if (flag || playerIn.inventory.hasItem(Items.arrow))
		{
			float f = (float)j / 20.0F;
			f = (f * f + f * 2.0F) / 3.0F;

			if ((double)f < 0.1D)
			{
				return;
			}

			if (f > 1.0F)
			{
				f = 1.0F;
			}

			EntityArrow entityarrow = new EntityArrowShatter(worldIn, playerIn, f * 2.0F);
			entityarrow.setIsCritical(true);

			int k = EnchantmentHelper.getEnchantmentLevel(Enchantment.power.effectId, stack);

			if (k > 0)
			{
				entityarrow.setDamage(entityarrow.getDamage() + (double)k * 0.5D + 0.5D);
			}

			int l = EnchantmentHelper.getEnchantmentLevel(Enchantment.punch.effectId, stack);

			if (l > 0)
			{
				entityarrow.setKnockbackStrength(l);
			}

			if (EnchantmentHelper.getEnchantmentLevel(Enchantment.flame.effectId, stack) > 0)
			{
				entityarrow.setFire(100);
			}

			stack.damageItem(1, playerIn);
			worldIn.playSoundAtEntity(playerIn, Sounds.RANDOM_BOW, 1.0F, 1.0F / (itemRand.nextFloat() * 0.4F + 1.2F) + f * 0.5F);

			if (flag)
			{
				entityarrow.canBePickedUp = 2;
			}
			else
			{
				playerIn.inventory.consumeInventoryItem(Items.arrow);
			}

			playerIn.triggerAchievement(StatList.objectUseStats[Item.getIdFromItem(stack.getItem())]);

			if (!worldIn.isRemote)
			{
				worldIn.spawnEntityInWorld(entityarrow);
			}

			parEvent.setCanceled(true);
		}
	}

}