ItemSpectrumPickaxe.java

@SubscribeEvent
    public void onPlayerDig(PlayerInteractEvent.LeftClickBlock event) {
        World world = event.getWorld();
        EntityPlayer player = event.getEntityPlayer();

        if (event.getFace() == null || world.isRemote || StackUtils.isEmpty(player.getHeldItem(EnumHand.MAIN_HAND)) || player.isCreative())
            return;


        BlockPos pos = event.getPos();
        IBlockState state = world.getBlockState(pos);
        Block block = state.getBlock();
        int meta = block.getMetaFromState(state);
        ItemStack drop = block.getItem(world, pos, state);
        if (block.getItem(world, pos, state) == drop) {
            if (drop == null)
                drop = new ItemStack(block, 1, meta);
            InventoryHelper.spawnItemStack(world, (double) pos.getX(), (double) pos.getY(), (double) pos.getZ(), drop);
        } else
            block.harvestBlock(world, player, pos, state, world.getTileEntity(pos), drop);
        world.setBlockToAir(pos);
        world.playEvent(2001, pos, Block.getStateId(state));
    }