ItemCoordCache

package me.robert.teleport.items;

import java.util.List;

import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.util.BlockPos;
import net.minecraft.util.EnumChatFormatting;
import net.minecraft.util.EnumFacing;
import net.minecraft.world.World;
import net.minecraftforge.fml.relauncher.Side;
import net.minecraftforge.fml.relauncher.SideOnly;

public class ItemCoordCache extends Item {

    @Override
    public boolean onItemUse(ItemStack stack, EntityPlayer playerIn,
            World worldIn, BlockPos pos, EnumFacing side, float hitX,
            float hitY, float hitZ) {

        if (!playerIn.isSneaking()) {
            if (stack.getTagCompound() == null) {
                stack.setTagCompound(new NBTTagCompound());
            }

            NBTTagCompound nbt = new NBTTagCompound();
            nbt.setInteger("dim", playerIn.dimension);
            nbt.setInteger("posX", pos.getX());
            nbt.setInteger("posY", pos.getY());
            nbt.setInteger("posZ", pos.getZ());
            stack.getTagCompound().setTag("coord", nbt);
            stack.setStackDisplayName(EnumChatFormatting.AQUA
                    + "Coordanite Cache");
        }
        return false;
    }

    @Override
    public ItemStack onItemRightClick(ItemStack itemStackIn, World worldIn,
            EntityPlayer playerIn) {

        if (playerIn.isSneaking()) {
            if (itemStackIn.getTagCompound() != null) {
                itemStackIn.getTagCompound().removeTag("coord");
                itemStackIn.clearCustomName();
            }
        }
        return itemStackIn;
    }

    @Override
    @SideOnly(Side.CLIENT)
    public void addInformation(ItemStack stack, EntityPlayer playerIn,
            List tooltip, boolean advanced) {
        if (stack.getTagCompound() != null) {
            if (stack.getTagCompound().hasKey("coord")) {
                NBTTagCompound nbt = (NBTTagCompound) stack.getTagCompound()
                        .getTag("coord");
                int dim = nbt.getInteger("dim");
                int posX = nbt.getInteger("posX");
                int posY = nbt.getInteger("posY");
                int posZ = nbt.getInteger("posZ");

                String aqua = EnumChatFormatting.AQUA + "";
                String purple = EnumChatFormatting.DARK_PURPLE + "";

                tooltip.add(aqua + "Dim: " + purple + dim);
                tooltip.add(aqua + "X: " + purple + posX);
                tooltip.add(aqua + "Y: " + purple + posY);
                tooltip.add(aqua + "Z: " + purple + posZ);
            }
        }
    }

    @Override
    public boolean hasEffect(ItemStack stack) {
        if (stack.getTagCompound() != null) {
            return stack.getTagCompound().hasKey("coord");
        }
        return false;
    }
}