turtle test

local width = 3
local length = 3
local depth = 4

--- MOVEMENT / DIG FUNCS
function tryMove()
    --try move
    local couldMove, moveReason = turtle.forward()
    if(couldMove == false) then
        print(moveReason)
        return false
    end
    return true
end

function tryDig()
    --detect if solid block
    if(turtle.detect()) then
        --try dig
        local couldDig, digReason = turtle.dig()
        if(couldDig == false) then
            --print(digReason)
            return false
        end
        return true
    end
    return true
end

function tryDigAndMoveDown()
    if(turtle.detectDown()) then
        local couldDig, digReason = turtle.digDown()
        if(couldDig == false) then
            print(digReason)
        end
    end
    turtle.down()
end

function tryDigAndMoveUp()
    if(turtle.detectUp()) then
        local couldDig, digReason = turtle.digUp()
        if(couldDig == false) then
            print(digReason)
        end
    end
    turtle.up()
end

function tryDigAndMove()
    tryDig()
    tryMove()
end
--- MAIN USER INPUT

write("The miner will make a cube shaped quarry of depth (Y): ")
depth = read()

write("Starting from right of this block, the width of the quarry (X): ")
width = read()

write("Looking directly forwards, the length of the quarry will be (Z): ")
length = read()
print("(Width: ".. width .. ", Depth: " .. depth .. ", Length: " .. length .. ")")

--- MAIN PREMINING CHECKS
local fuelLevel = turtle.getFuelLevel()
print("Fuel level: ".. fuelLevel)

if(fuelLevel <= 1000) then
    --select slot 16, used for fuel
    turtle.select(16)

    print(textutils.serialise(turtle.getItemDetail()))

    local ok, err = turtle.refuel()
    if ok then
        local newFuellevel = turtle.getFuelLevel()
        print(("Refuelled %d, current level is %d"):format(newFuellevel - fuelLevel, newFuellevel))
    else
        printError(err)
    end
end
turtle.select(1)

-- MAIN MOVEMENT

local sleepTime = 0.3
local invertTurn = -1
for z = 0,depth-1,1 do
    tryDigAndMoveDown()
    --sleep(sleepTime)
    for x = 0, width-1, 1 do
        --sleep(sleepTime)
        for y = 0, length-1, 1 do
            tryDigAndMove()
            --sleep(sleepTime)
        end

        if(x ~= width-1) then
            if(invertTurn == -1) then
                turtle.turnRight()
                tryDigAndMove()
                turtle.turnRight()
            end
            if(invertTurn == 1) then
                turtle.turnLeft()
                tryDigAndMove()
                turtle.turnLeft()
            end
            invertTurn = invertTurn*-1

        end

    end
    turtle.turnRight()
    turtle.turnRight()
end


-- try to go back up
for rise = 1, depth,1 do
    tryDigAndMoveUp()
end