fellGiant

--[[

    This program tells a turtle to cut down a giant spruce tree

]]

--[[ Functions ]]
local function fellColumn()
    turtle.dig()
    turtle.forward()
    while turtle.detectUp() do
        turtle.digUp()
        turtle.up()
    end
    while not turtle.detectDown() do
        turtle.down()
    end
end

local function fwd()
    while not turtle.forward() do
        turtle.dig()
    end
end


--[[ Main ]]

-- Determine that the tree is grown
local has_block, data = turtle.inspect()
if data.name ~= "minecraft:spruce_log" then
    print("There's no grown tree in front of me")
    return
end

-- Determine if you have enough fuel
if turtle.getFuelLevel() < 242 then
    print("Please provide at least 242 fuel")
    return
end

-- Collect all logs
fellColumn()
fellColumn()
turtle.turnRight()
fellColumn()
turtle.turnRight()
fellColumn()

-- Drop off logs
fwd()
for i = 1, 16 do
    turtle.select(i)
    turtle.dropDown()
end

-- Get saplings
turtle.turnRight()
fwd()
turtle.turnRight()
turtle.select(1)
turtle.suckDown(4)

-- Plant saplings
turtle.forward()
turtle.forward()
turtle.turnRight()
turtle.forward()
turtle.turnRight()
turtle.place() -- Sapling 1
turtle.turnLeft()
turtle.back()
turtle.place()-- Sapling 2
turtle.turnLeft()
turtle.back()
turtle.place() -- Sapling 3
turtle.back()
turtle.place() -- Sapling 4