Util.java

package portables.common.util;

import cpw.mods.fml.common.Loader;
import cpw.mods.fml.common.network.internal.FMLProxyPacket;
import net.minecraft.block.Block;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.network.play.server.S3FPacketCustomPayload;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.world.World;
import portables.common.core.CommonProxy;
import portables.common.core.SimplePortables;

import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.lang.reflect.Method;

public class Util
{
	public static void updateNBT(ItemStack item)
	{
		if (item.stackTagCompound == null)
		{
			item.stackTagCompound = new NBTTagCompound();
		}

		if (!item.stackTagCompound.hasKey("info"))
		{
			item.stackTagCompound.setTag("info", new NBTTagCompound());
		}
	}

	public static void clearNBT(ItemStack item)
	{
		item.stackTagCompound.getCompoundTag("info").setInteger("blockID", 0);
		item.stackTagCompound.getCompoundTag("info").setString("blockName", "");
		item.stackTagCompound.getCompoundTag("info").setBoolean("linked", false);
		item.stackTagCompound.getCompoundTag("info").setInteger("tileX", 0);
		item.stackTagCompound.getCompoundTag("info").setInteger("tileY", 0);
		item.stackTagCompound.getCompoundTag("info").setInteger("tileZ", 0);
		item.stackTagCompound.getCompoundTag("info").setInteger("side", 0);
		item.stackTagCompound.getCompoundTag("info").setFloat("hitX", 0);
		item.stackTagCompound.getCompoundTag("info").setFloat("hitY", 0);
		item.stackTagCompound.getCompoundTag("info").setFloat("hitZ", 0);
	}

	public static void openGui(int ID, EntityPlayer player)
	{
		player.openGui(SimplePortables.instance, ID, player.worldObj, (int) player.posX, (int) player.posY, (int) player.posZ);
	}

	public static void damageItem(int damage, EntityPlayer player)
	{
		ItemStack currentItem = player.getCurrentEquippedItem();
		if (currentItem != null)
		{
			if (currentItem.getItem() == CommonProxy.portableItem)
			{
				currentItem.damageItem(damage, player);
			}
		}
	}

	public static void handleRemoteGUI(ItemStack item, EntityPlayer player, World world)
	{
		if (item.stackTagCompound.getCompoundTag("info").getBoolean("linked"))
		{
			if (!world.isRemote)
			{
				Block block = world.getBlock(item.stackTagCompound.getCompoundTag("info").getInteger("tileX"), item.stackTagCompound.getCompoundTag("info").getInteger("tileY"), item.stackTagCompound.getCompoundTag("info").getInteger("tileZ"));
				TileEntity tile = world.getTileEntity(item.stackTagCompound.getCompoundTag("info").getInteger("tileX"), item.stackTagCompound.getCompoundTag("info").getInteger("tileY"), item.stackTagCompound.getCompoundTag("info").getInteger("tileZ"));

				if (Loader.isModLoaded("EnderStorage"))
				{
					if (tile.getClass().getName().equals("codechicken.enderstorage.storage.item.TileEnderChest"))
					{
						Method activate = null;
						try
						{
							activate = tile.getClass().getMethod("activate", EntityPlayer.class, int.class);
							activate.invoke(tile, player, 0);
						} catch (Exception e)
						{
							e.printStackTrace();
						}
					}
				} else
				{
					block.onBlockActivated(world, item.stackTagCompound.getCompoundTag("info").getInteger("tileX"), item.stackTagCompound.getCompoundTag("info").getInteger("tileY"), item.stackTagCompound.getCompoundTag("info").getInteger("tileZ"), player, item.stackTagCompound.getCompoundTag("info").getInteger("side"), item.stackTagCompound.getCompoundTag("info").getFloat("hitX"), item.stackTagCompound.getCompoundTag("info").getFloat("hitY"), item.stackTagCompound.getCompoundTag("info").getFloat("hitZ"));
				}
			}
		}
	}

	public static void sendModPacket(int id)
	{
		ByteArrayOutputStream byteStream = new ByteArrayOutputStream();
		DataOutputStream dataStream = new DataOutputStream(byteStream);

		try
		{
			dataStream.write((byte) id);
			SimplePortables.channel.sendToServer(new FMLProxyPacket(new S3FPacketCustomPayload("SimplePortables", byteStream.toByteArray())));
		} catch (IOException e)
		{

		}
	}
}