tree plant grow

local function consolidate()
        local i = 3
        while (i < 16) do
                i = i + 1
                turtle.select(i)
                if (turtle.compareTo(1)) then
                        turtle.transferTo(1)
                end
                if (turtle.compareTo(2)) then
                        turtle.transferTo(2)
                end
                if (turtle.compareTo(3)) then
                        turtle.transferTo(3)
                end
        end
end
local function checkItem(slot, count)
        if (turtle.getItemCount(slot) > count) then
                return true
        end
        return false
end
local function checkFuel()
        return checkItem(1, 1)
end
local function checkSaplings()
        return checkItem(2, 1)
end
local function checkBonemeal()
        return checkItem(3, 1)
end

local function refillBonemeal()
        if (verifyPos()) then
                turtle.turnRight()
                turtle.suck()
                turtle.turnLeft()
        end
end
local function refillSaplings()
        if (verifyPos()) then
                turtle.turnRight()
                turtle.turnRight()
                turtle.suck()
                turtle.turnRight()
                turtle.turnRight()
        end
end
local function refillCoal()
        if (verifyPos()) then
                turtle.turnLeft()
                turtle.suck()
                turtle.turnRight()
        end
end

local function plantSaplings()
	turtle.select(2)
	turtle.place()
end

local function growTree()
        turtle.select(4)
        while (turtle.compare() == false) do
                if (checkBonemeal() == false) then
                        break
                end
                turtle.select(3)
                turtle.place()
                turtle.select(4)
        end
end

while (turtle.getFuelLevel() > 100) do
        consolidate()
        if (checkFuel() == false) then
                refillCoal()
                consolidate()
                if (checkFuel() == false) then
                        break
                end
        end
        if (checkSaplings() == false) then
                refillSaplings()
                consolidate()
                if (checkSaplings() == false) then
                        break
                end
        end
        if (checkBonemeal() == false) then
                refillBonemeal()
                consolidate()
                if (checkBonemeal() == false) then
                        break
                end
        end
	plantSaplings()
	growTree()
        if (turtle.getFuelLevel() < 100) then
                turtle.select(1)
                turtle.refuel(2)
        end
end