v2JavaIMessageMinecraftHelp

public class ItemPersonalTeleporter extends Item
{
    @Override//This meathod sets the pos etc...
    public boolean onItemUse(ItemStack stack, EntityPlayer playerIn, World worldIn, BlockPos pos, EnumFacing side, float hitX, float hitY, float hitZ)
    {
        if (!worldIn.isRemote)
        {
            if(!playerIn.isSneaking())
            {
                if(stack.getTagCompound() == null)
                {
                    stack.setTagCompound(new NBTTagCompound());
                }
                if (Keyboard.isKeyDown(Keyboard.KEY_LCONTROL) && stack.getItemDamage() < stack.getMaxDamage())//Set coords (ctrl)
                {
                    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("coords", nbt);
                    stack.setStackDisplayName(EnumChatFormatting.DARK_PURPLE + "Personal Teleporter");
                    playerIn.addChatMessage(new ChatComponentText("Coordinates set, press shift + control and right click to clear them, press shift and right click to teleport."));
                    System.out.println(
                            "\nItem can damage: " + stack.isItemStackDamageable() +
                            "\nDamage: " + stack.getItemDamage() +
                            "\nMax Damage: " + stack.getMaxDamage() +
                            "\nDamage: " + stack.getItemDamage()
                            );
                    stack.damageItem(1, playerIn);
                    List<CoordEntry> toolTip = new ArrayList<CoordEntry>();
                    addInformation(stack, playerIn, toolTip, true);

                    if (stack.getItemDamage() >= stack.getMaxDamage())
                    {
                        playerIn.addChatMessage(new ChatComponentText("Battery has run out"));
                        clearCoords(stack, worldIn, playerIn);
                    }
                    else
                    {
                        playerIn.addChatMessage(new ChatComponentText("Press control and click on a block to store the coordinates"));
                    }
                    Random rand = new Random();
                    String UID = "" + rand.nextDouble();
                    System.out.println("UID: " + UID);

                    //IMessage msg = new SimplePacket.SimpleMessage(8450, true);
                    //PacketHandler.net.sendToServer(msg);

                }
                else
                {
                    if (stack.getItemDamage() >= stack.getMaxDamage())
                    {
                        playerIn.addChatMessage(new ChatComponentText("Battery has run out"));
                        clearCoords(stack, worldIn, playerIn);
                    }
                    else
                    {
                        playerIn.addChatMessage(new ChatComponentText("Press control and click on a block to store the coordinates"));
                    }
                }

            }
        }

        return false;
    }

    @Override//Clears the item coords
    public ItemStack onItemRightClick(ItemStack stack, World worldIn, EntityPlayer playerIn)
    {
        //if (!worldIn.isRemote)
        {
            if (playerIn.isSneaking() && !Keyboard.isKeyDown(Keyboard.KEY_LCONTROL))
            {
                if(stack.getTagCompound() == null)
                {
                    stack.setTagCompound(new NBTTagCompound());
                }
                if(stack.getTagCompound().hasKey("coords") && !Keyboard.isKeyDown(Keyboard.KEY_LCONTROL) && stack.getItemDamage() < stack.getMaxDamage())//Teleport player control+shift
                {
                    System.out.println(
                            "\nItem can damage: " + stack.isItemStackDamageable() +
                            "\nDamage: " + stack.getItemDamage() +
                            "\nMax Damage: " + stack.getMaxDamage() +
                            "\nDamage: " + stack.getItemDamage()
                            );
                    NBTTagCompound nbt = (NBTTagCompound) stack.getTagCompound().getTag("coords");
                    int dim = nbt.getInteger("dim");
                    int X = nbt.getInteger("posX");
                    int Y = nbt.getInteger("posY");
                    int Z = nbt.getInteger("posZ");
                    drawParticles.Teleport(worldIn, playerIn.getPosition().getX(), playerIn.getPosition().getY(), playerIn.getPosition().getZ());
                    playerIn.setPositionAndUpdate(X+0.5, Y+1, Z+0.5);
                    drawParticles.Teleport(worldIn, playerIn.getPosition().getX(), playerIn.getPosition().getY(), playerIn.getPosition().getZ());
                    System.out.println("\nTeleported " + playerIn + " to: " + "X: " + Z + " Y: " + Y + " Z: " + Z);

                    stack.damageItem(1, playerIn);
                    if (stack.getItemDamage() >= stack.getMaxDamage())
                    {
                        playerIn.addChatMessage(new ChatComponentText("Battery has run out"));
                    }
                    else
                    {
                        playerIn.addChatMessage(new ChatComponentText("Press control and click on a block to store the coordinates"));
                    }
                }
                else
                {
                    System.out.println("\nCould not teleport because no teleport was set or not pressing control");
                }
            }
            if(playerIn.isSneaking() && Keyboard.isKeyDown(Keyboard.KEY_LCONTROL))
            {
                clearCoords(stack, worldIn, playerIn);
            }
        }
        return stack;
    }
    public static ItemStack clearCoords(ItemStack stack, World worldIn, EntityPlayer playerIn)
    {
        //if (!worldIn.isRemote)
        {
        if(stack.getTagCompound() != null)
        {
            stack.getTagCompound().removeTag("coords");
            stack.clearCustomName();
        }
        }
        return stack;
    }

    @Override
    @SideOnly(Side.CLIENT)//stores the coords and notifies the player
    public void addInformation(ItemStack stack, EntityPlayer playerIn, List toolTip, boolean advanced)
    {
        if(stack.getTagCompound() != null)
        {
            if(stack.getTagCompound().hasKey("coords"))
            {
                System.out.println("\nStoring coords.");
                NBTTagCompound nbt = (NBTTagCompound) stack.getTagCompound().getTag("coords");
                int dim = nbt.getInteger("dim");
                int posX = nbt.getInteger("posX");
                int posY = nbt.getInteger("posY");
                int posZ = nbt.getInteger("posZ");
                toolTip.add("Dimension: " + dim + " X: " + posX + " Y: " + posY + " Z: " + posZ);

                //ItemStack k = new ItemStack(testItems.test_item, 2);
                //k.damageItem(stack.getItemDamage() + 1, playerIn);
            }
            else
            {
                System.out.println("\nTag compound did not have \"coords\"");
            }
        }
        else
        {
            System.out.println("\nTag compound was null.");
        }
    }

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