OffshoreQuarrySetup

-- Offshore Quarry Setup
local args = {...}

-- Check if there 3 arguments
if #args ~= 1  then
  print("Usage: OffshoreQuarrySetup <L/R>")
  return
end

local dir = "L"
dir = args[1]

if dir == "l" or dir == "L" then
    dir = "L"
else
    dir = "R"
end

local function tryDig()
    while turtle.detect() do
        if turtle.dig() then
            sleep(0.3)
        else
            return false
        end
    end
    return true
end

local function refuel()
    local fuelLevel = turtle.getFuelLevel()
    if fuelLevel == "unlimited" or fuelLevel > 0 then
        return
    end

    local function tryRefuel()
        for n=1,16 do
            if turtle.getItemCount(n) > 0 then
                turtle.select(n)
                if turtle.refuel(1) then
                    turtle.select(1)
                    return true
                end
            end
        end
        turtle.select(1)
        return false
    end

    if not tryRefuel() then
        print( "Add more fuel to continue." )
        while not tryRefuel() do
            sleep(1)
        end
        print( "Resuming Quarry Setup." )
    end
end


local function tryForward()
    refuel()
    while not turtle.forward() do
        if turtle.detect() then
            if not tryDig() then
                return false
            end
        elseif turtle.attack() then
            -- collect()
        else
            sleep( 0.3 )
        end
    end
    return true
end

-- dig

for i=1,2 do
    for n=1,17 do
        turtle.placeDown()

        if n<17 then
            tryDig()
            if not tryForward() then
                print( "Aborting Setup." )
                break
            end
        else
            print( "Segment complete." )
        end

    end
    if dir == "L" then
        turtle.turnLeft()
    else
        turtle.turnRight()
    end
    for n=1,17 do
        turtle.placeDown()

        if n<17 then
            tryDig()
            if not tryForward() then
                print( "Aborting Setup." )
                break
            end
        else
            print( "Segment complete." )
        end

    end
    if dir == "L" then
        turtle.turnLeft()
    else
        turtle.turnRight()
    end
end


print( "Chunk delimited." )