@Override
    public boolean onBlockActivated(World world, int x, int y, int z, EntityPlayer player, int idk, float what, float these, float are)
    {
        TEAltar tileEntity = (TEAltar) world.getTileEntity(x, y, z);

        if (tileEntity == null || player.isSneaking())
        {
            return false;
        }

        ItemStack playerItem = player.getCurrentEquippedItem();

        if (playerItem != null)
        {
            if (playerItem.getItem().equals(ModItems.divinationSigil))
            {
                if (player.worldObj.isRemote)
                {
                    world.markBlockForUpdate(x, y, z);
                } else
                {
                    tileEntity.sendChatInfoToPlayer(player);
                }

                return true;
            } else if (playerItem.getItem().equals(ModItems.itemSeerSigil))
            {
                if (player.worldObj.isRemote)
                {
                    world.markBlockForUpdate(x, y, z);
                } else
                {
                    tileEntity.sendMoreChatInfoToPlayer(player);
                }

                return true;
            }else if(playerItem.getItem() instanceof IAltarManipulator)
            {
                return false;
            }
            else if (playerItem.getItem().equals(ModItems.sigilOfHolding))
            {
                ItemStack item = SigilOfHolding.getCurrentSigil(playerItem);

                if (item != null && item.getItem().equals(ModItems.divinationSigil))
                {
                    if (player.worldObj.isRemote)
                    {
                        world.markBlockForUpdate(x, y, z);
                    } else
                    {
                        tileEntity.sendChatInfoToPlayer(player);
                    }

                    return true;
                } else if (item != null && item.getItem().equals(ModItems.itemSeerSigil))
                {
                    if (player.worldObj.isRemote)
                    {
                        world.markBlockForUpdate(x, y, z);
                    } else
                    {
                        tileEntity.sendMoreChatInfoToPlayer(player);
                    }

                    return true;
                }
            }
        }

        if (tileEntity.getStackInSlot(0) == null && playerItem != null)
        {
            ItemStack newItem = playerItem.copy();
            newItem.stackSize = 1;
            --playerItem.stackSize;
            tileEntity.setInventorySlotContents(0, newItem);
            tileEntity.startCycle();
        } else if (tileEntity.getStackInSlot(0) != null && playerItem == null)
        {
            player.inventory.addItemStackToInventory(tileEntity.getStackInSlot(0));
            tileEntity.setInventorySlotContents(0, null);
            tileEntity.setActive();
        }
        world.markBlockForUpdate(x, y, z);
        return true;
    }