Mining (left turtle)

-- Fais une mine optimisée à partir d'un tunnel principal. La turtle creuse x blocs en face d'elle avant de revenir sur ses pas et de faire pareil 3 blocs plus loin dans le tunnel
local function printUsage()
    print( "Usage:" )
    print( "mining <distance per shafts>" )
    print( "Inventory:" )
    print( "It is not mandatory, but fuel goes into the slot 1 and torches to the slot 2 if you care to supply some for me.")
end

local function placeTorch(justChecking)
    if type(turtle.getItemDetail(2)) == "table" then
        if turtle.getItemDetail(2).name == "minecraft:torch" then
            if not justChecking then
                turtle.select(2)
                turtle.placeUp()
                turtle.select(blockSlot)
            end
            blockSlot = 3
            torches = true
        else
            torches = false
            blockSlot = 2
        end
    else
        torches = false
        blockSlot = 2
    end
end

local function refuel()
    shell.run("refuel", "all")
    if turtle.getFuelLevel() == 0 then
        return false
    end
    turtle.select(blockSlot)
    return true
end

local function blockLiquids()
    while turtle.up() == false do end

    _, block = turtle.inspectUp()
    detect = turtle.detectUp()
    if type(block) == "table" and detect == false then -- it has most likely detected a liquid
        turtle.placeUp()
    end

    turtle.turnLeft()
    _, block = turtle.inspect()
    detect = turtle.detect()
    if type(block) == "table" and detect == false then
        turtle.place()
    end

    turtle.turnLeft()
    turtle.turnLeft()
    _, block = turtle.inspect()
    detect = turtle.detect()
    if type(block) == "table" and detect == false then
        turtle.place()
    end

    turtle.down()

    _, block = turtle.inspect()
    detect = turtle.detect()
    if type(block) == "table" and detect == false then
        turtle.place()
    end

    turtle.turnLeft()
    turtle.turnLeft()
    _, block = turtle.inspect()
    detect = turtle.detect()
    if type(block) == "table" and detect == false then
        turtle.place()
    end
    turtle.turnRight()
end

function digforward()
    if turtle.getFuelLevel() > 0 then
        if turtle.detectDown() == false then turtle.placeDown() end

        _, block = turtle.inspectUp()
        detect = turtle.detectUp()
        if type(block) == "table" then
            if block.name == "minecraft:gravel" or block.name == "minecraft:sand" then
                while turtle.detectUp() do turtle.digUp() sleep(0.5) end
            elseif type(block) == "table" and detect == false then
                blockLiquids()
            else
                while turtle.detectUp() do turtle.digUp() end
            end
        end

        _, block = turtle.inspect()
        if type(block) == "table" then
            if block.name == "minecraft:gravel" or block.name == "minecraft:sand" then
                while turtle.detect() do turtle.dig() sleep(0.5) end
            else
                while turtle.detect() do turtle.dig() end
            end
        end

        local walked = turtle.forward()
        if not walked then
            print("ERROR : Unable to move forward")
            if turtle.detect() then
                print("Il y a un bloc")
                while not digforward() do
                    sleep(0.5)
                end
            else
                print("ERROR : There must be a mob.")
                while true do
                    turtle.attack()
                    walked = turtle.forward()
                    if walked == true then break end
                end
                print("SUCCESS : Mob gone")
            end
        end
    else
        print("Lacking energy. Attempting to refuel.")
        if refuel() == false then
            print("ERROR : No more fuel.")
            shell.exit()
        end
        return false
    end
    return true
end

local tArgs = { ... }
if #tArgs == 0 then
    printUsage()
    return false
end

local goal = tonumber(tArgs[1])-1
placeTorch(true) --if arg==true then it doesnt place a torch it just does some checking

while true do
    chemin = 0
    while chemin <= goal do
        if digforward() then
            chemin = chemin+1
        end
    end
    turtle.turnRight()
    turtle.turnRight()
    chemin = 0
    while chemin <= goal do
        while turtle.forward() == false do
            --
        end
        chemin = chemin+1
        if torches == true then
            if (chemin%5) == 0 then --every 5 blocks
                placeTorch()
            end
        end
    end

    turtle.turnLeft()
    for i=0,3 do
        local walked = turtle.forward()
        if not walked then print("ERROR : End of tunnel") return end
    end
    turtle.turnLeft()
end