ComputerCraft CutRedWood [wip] v0.1 drafty

local tArgs = {...}

if #tArgs < 1 then
    print("Rong usage.")
    print("Syntax: cutWood <number of trees to iterate through>")
    return
end

local iterations = tonumber(tArgs[1])
local Vpos = 0

local function left()
    turtle.turnLeft()
end

local function right()
    turtle.turnRight()
end

local function up()
    turtle.up()
end

local function down()
    turtle.down()
end

local function forward()
    turtle.forward()
end

local function back()
    turtle.back()
end

local function returnToGroundPosition()
    while Vpos > 0 do
        if not turtle.down() then
            print("Tried to go down further and couldn't.")
        end
        Vpos = Vpos - 1
    end
end

local function placeSapling()

end

local function plantSaplings()
    turtle.select(1)

    forward()
    forward()
    left()
    -- Sapling 01
    if not turtle.place() then
        return false
    end

    left()
    forward()
    right()
    -- Sapling 02
    if not turtle.place() then
        return false
    end

    right()
    -- Sapling 03
    if not turtle.place() then
        return false
    end

    back()
    -- Sapling 04
    if not turtle.place() then
        return false
    end

end

local function applyBoneMeal()
    turtle.select(1) -- Sapling

    while turtle.compare(1) do
        turtle.select(2) -- Bone Meal
        if not turtle.place() then
            return false
        end
        turtle.select(1) -- Sapling
    end
end

local function clearFirstLayer()
    turtle.dig()
    forward()
    turtle.dig()
    forward()
    left()
    turtle.dig()
    forward()
    left()
    turtle.dig()
    forward()
    left()
    forward()
    left()
end

local function clearNextLayer()
    turtle.digUp()
    turtle.up()

    Vpos = Vpos + 1

    turtle.dig()
    forward()
    left()
    turtle.dig()
    forward()
    left()
    turtle.dig()
    forward()
    left()
    forward()
    left()
end

local function cutTree()

    clearFirstLayer()

    while turtle.detectUp() do
        clearNextLayer()
    end

        -- fuel = turtle.getFuelLevel()

        -- if fuel < 1 then
        --  while not turtle.refuel() do
        --      print ("Waiting for fuel...")
        --  end
        -- end

        -- if not turtle.dig() then
        --  print("Something's wrong! No tree to cut. Aborting")
        --  return
        -- end

    returnToGroundPosition()
end

local function returnWood()
    right()
    right()
    forward()
    for n=3,16 do
        turtle.select(n)
        turtle.drop()
    end
    left()
    left()

end

for i = 1, iterations do
    plantSaplings()
    applyBoneMeal()
    cutTree()
    returnWood()

end