LavaLoader

--distance for loading
distance = ...
if distance then
    distance = tonumber(distance)
else
    distance = 35
end

--Counter for found lava springs
lavaCnt = {0}

local move = require("move1")
local inspect = require("inspect1")
local collectLava = require("collectLava1")

lavaArray = {"minecraft:lava"}

-- mines one tunnel and comes back out
function mineTunnel (remainingLength)
    if not (remainingLength == 0) then
        move.Forward()
        if  inspect.Down(lavaArray) then
            collectLava.Bottom(lavaCnt)
        end
        mineTunnel(remainingLength - 1)
        move.Forward()
    else
        move.turnBack()
    end
end

function collectLavaBelow(length)
    local cnt = 0
    while cnt < length do
        if turtle.forward() then
            cnt = cnt + 1
            if inspect.Down(lavaArray) then
                collectLava.Bottom(lavaCnt)
            else
                break
            end
        else
            break
        end
    end
    turtle.turnLeft()
    turtle.turnLeft()
    while cnt > 0 do
        while not turtle.forward() do sleep(0.5) end
        cnt = cnt - 1
    end
end


turtle.dig()
local success, err = turtle.dig()

if err == "No tool to dig with" then
    collectLavaBelow(distance)
else
    mineTunnel(distance)
end