pokey.lua

local args = {...}
local rightTurn
local top
local pos
local x
local y
local z

local chunkStartLoc = args[1]

function pokeHole()

end

function digIfShould()
    if shouldIDigHere() then
        turtle.digDown()
        pokeHole()
    end
end

function shouldIDigHere()
    pos = vector.new(gps.locate(5))
    truncateVectorComsToXYZ(pos)
    if isint(x/5) and isint(z/5) then
        return true
    else
        if isint((x-2)/5) and isint((z-1)/5) then
            return true
        else
            if isint((x+1)/5) and isint((z-2)/5) then
                return true
            else
                if isint((x-1)/5) and isint((z+2)/5) then
                    return true
                else
                    if isint((x+2)/5) and isint((z+1)/5) then
                        return true
                    else
                      return false
                    end
                end
            end
        end
    end
end

function truncateVectorComsToXYZ(vec)
    x = math.modf(vec.x)
    y = math.modf(vec.y)
    z = math.modf(vec.z)
end

function isint(num)
    return num==math.floor(num)
end

function turn21()
    digIfShould()
    if rightTurn then
        turtle.turnRight()
        turtle.forward()
        turtle.turnRight()
        rightTurn = false
    else
        turtle.turnLeft()
        turtle.forward()
        turtle.turnLeft()
        rightTurn = true
    end
end

function main()
    if not args[1] then
        print("ERROR: Need turtle start location!")
        exit()
    end

    if chunkStartLoc == "left" then
        rightTurn = true
    else
        rightTurn = false
    end

    for i=1, 15 do
        for j=1, 15 do
            digIfShould()
            turtle.forward()
        end
        turn21()
    end
    for i=1, 15 do
        digIfShould()
        turtle.forward()
    end
    digIfShould()
end

main()