Plane (Not Yet Tested)

local resourceSlot = 2

function refuel()
    if(turtle.getFuelLevel() == 0) then
        turtle.select(1)
        turtle.refuel(1)
        turtle.select(resourceSlot)
    end
end

function forward()
    refuel()
    turtle.forward()
end

function readyResource()
    if(turtle.getItemCount(resourceSlot) == 0) then
        count = 1
        for i = 2, 16, 1 do
            if(turtle.getItemCount(i) ~= 0) then
                resourceSlot = i
                turtle.select(resourceSlot)
                return true
            else
                count = count + 1
            end
            if(count == 15) then
                term.write("Waiting for new Resources!")
                return false
            end
        end
    end
    return true
end

local a,b = term.getCursorPos()
term.write("How long do you want the plane?")
b = b + 1
term.setCursorPos(a, b)
term.write("(Where the length is straight forward from the turtle)")
b = b + 1
term.setCursorPos(a, b)
local x = io.read()

term.write("How wide do you want the plane?\n")
b = b + 1
term.setCursorPos(a, b)
term.write("(Where the length is extending to the left of the turtle)")
b = b + 1
term.setCursorPos(a, b)
local y = io.read()

if(x % 1 ~= 0 or y % 1 ~= 0) then
    term.write("Invalid arguments, please only use numbers.")
    return
end

term.clear()

for i = 1, y, 1 do
    for j = 1, x, 1 do
        forward()
        if(readyResource()) then
        else
            while(readyResource ~= true) do
                sleep(5)
            end
        end
        turtle.placeDown()
    end
    if(y % 2 == 0) then
        turtle.turnRight()
        forward()
        turtle.turnRight()
    else
        turtle.turnLeft()
        forward()
        turtle.turnLeft()
    end
end