--Efficent Dig
--By Nurall
--EfficentDigV1

--use: turtle will dig in shafts in a patern as not to miss any areas
--use: digging in a 24x24 area the turtle will compare ore found with slot 1-4
--use: if that ore is not foud in the ignored slots then it will be mined

--Var
local z = 1
local t = 1
local y = 100 --altitude
local i = 0
local x = 0
local k = 0

--function
function MineDown()
	for z = 1, y do
		while not turtle.down() do
			turtle.dig()
			turtle.attack()
		end
		FullStorage()
		RefuelDigger()
		for t = 1, 4 do
			turtle.select(t)
			if not turtle.compare() then
				turtle.dig()
			end
			turtle.turnRight()
		end
	end
	for z = 1, y do
		while not turtle.up() do
			turtle.dig()
			turtle.attack()
		end
	end
end

function RefuelDigger()
	if turtle.getFuelLevel() < 30 then
		if turtle.getItemCount(16) == 1 then
			turtle.select(16)
			turtle.refuel(1)
			turtle.select(15)
			if turtle.placeUp()then
				turtle.select(16)
				turtle.suckUp()
				turtle.select(15)
				turtle.digUp()
			end
		else
			turtle.select(16)
			turtle.refuel(1)
		end
	end
end

function FullStorage()
	if turtle.getItemCount(13) > 0 then
		turtle.select(14)
		if turtle.placeUp() then
			for i = 5, 13 do
				turtle.select(i)
				turtle.dropUp()
			end
			turtle.select(14)
			turtle.digUp()
		end
	end
end

function Skip()
	for i = 1, 5 do
		while not turtle.forward() do
			turtle.dig()
			turtle.attack()
		end
	end
end

function RowStart()
	turtle.turnRight()
	turtle.turnRight()
	for i = 1, 25 do
		while not turtle.forward() do
			turtle.dig()
			turtle.attack()
		end
	end
	turtle.turnLeft()
	while not turtle.forward() do
		turtle.dig()
		turtle.attack()
	end
	turtle.turnLeft()
	RefuelDigger()
end

--program

for k = 1, 5 do
	--row 1
	for x = 1, 5 do
		Skip()
		MineDown()
	end
	RowStart()
	--row 2
	for i = 1, 2 do
		while not turtle.forward() do
			turtle.attack()
			turtle.dig()
		end
	end
	MineDown()
	for x = 1, 4 do
		Skip()
		MineDown()
	end
	for i = 1, 3 do
		while not turtle.forward() do
			turtle.attack()
			turtle.dig()
		end
	end
	RowStart()
	--row 3
	for i = 1, 4 do
		while not turtle.forward() do
			turtle.attack()
			turtle.dig()
		end
	end
	MineDown()
	for x = 1, 4 do
		Skip()
		MineDown()
	end
	while not turtle.forward() do
			turtle.attack()
			turtle.dig()
	end
	RowStart()
	--row 4
	while not turtle.forward() do
			turtle.attack()
			turtle.dig()
	end
	MineDown()
	for x = 1, 4 do
		Skip()
		MineDown()
	end
	for i = 1, 4 do
		while not turtle.forward() do
			turtle.attack()
			turtle.dig()
		end
	end
	RowStart()
	--row 5
	for i = 1, 3 do
		while not turtle.forward() do
			turtle.attack()
			turtle.dig()
		end
	end
	MineDown()
	for x = 1, 4 do
		Skip()
		MineDown()
	end
	for i = 1, 2 do
		while not turtle.forward() do
			turtle.attack()
			turtle.dig()
		end
	end
	RowStart()

end
turtle.turnLeft()
	for i = 1, 24 do
	while not turtle.forward() do
		turtle.attack()
		turtle.dig()
	end
end
turtle.turnRight()