MiningWellTurtle

-- Turtle in the front with pickaxe and gate reader
local version = "1.0"

local function doScreen(str)
	term.clear()
	term.setCursorPos(1,1)
	write("Mining Well Turtle - v")
	print(version)
	print("------------------------------")
	write("Fuel: ")
	print(turtle.getFuelLevel())
	print()
	print(str)
end

local stopAt16 = true

-- Special functions to handle gravel/sand
local function forward()
	while not turtle.forward() do
		turtle.dig()
	end
end

local function digUp()
	while turtle.detectUp() do
		turtle.digUp()
		os.sleep(0.5)
	end
end

-- Empty into Ender Chest
local function empty()
	doScreen("Emptying turtle...")

	-- Place ender chest
	if turtle.detectUp() then
		digUp()
	end
	turtle.select(15)
	turtle.placeUp()

	for i=1,16 do
		while turtle.getItemCount(i) > 0 do
			turtle.select(i)
			turtle.dropUp()
		end
	end

	turtle.select(15)
	turtle.digUp()

end

-- Wrap the gate detector
local gate = peripheral.wrap("right")

doScreen("Place items as follows...")
   print("-------------------------")
   print("| EnderChest in 15")
   print("| Mining Well in 16")

while (turtle.getItemCount(15)==0) or (turtle.getItemCount(16)==0) do
	os.sleep(0.1)
end

rs.setBundledOutput("back", colors.red)

while true do
	for i=1,16 do
		turtle.digDown()
		turtle.select(16)
		turtle.placeDown()
		doScreen("Mining...")
		turtle.select(1)
		digUp()
		while not gate.get()["Work Done"] do
			os.sleep(0.1)
		end

		if turtle.getItemCount(12) > 0 then
			empty()
		end
		doScreen("Moving...")
		turtle.select(16)
		turtle.digDown()
		turtle.select(1)
		forward()
	end

	if stopAt16 then
		print("Mined 16 blocks.  Press any key...")
		os.pullEvent("char")
	end
end