BranchMiner[NoFuel]

x = 0

y = 0

z = 0

checks = 0

chestsDropped = 0

mined = 0

function getCount()
	count = 0
	for i = 3,16,1 do
		count = count + turtle.getItemCount(i)
	end
	return count
end

function deposit()
	turtle.select(1)
	turtle.turnLeft()
	turtle.dig()
	turtle.digUp()
	turtle.up()
	turtle.dig()
	turtle.down()
	turtle.place()
	chestsDropped = chestsDropped + 1
	for i = 3,16,1 do
		turtle.select(i)
		turtle.drop()
	end
	turtle.turnRight()
end

function checkWanted()
	success, data = turtle.inspect()
	if data.name == "minecraft:diamond_ore" or data.name == "minecraft:redstone_ore" or data.name == "minecraft:iron_ore" or data.name == "minecraft:coal_ore" or data.name == "minecraft:gold_ore" or data.name == "minecraft:lapis_ore" then
		print("I found ", data.name, "!")
		return true
	end
end

function checkWantedUp()
	success, data = turtle.inspectUp()
	if data.name == "minecraft:diamond_ore" or data.name == "minecraft:redstone_ore" or data.name == "minecraft:iron_ore" or data.name == "minecraft:coal_ore" or data.name == "minecraft:gold_ore" or data.name == "minecraft:lapis_ore" then
		print("I found ", data.name, "!")
		return true
	end
end

function checkWantedDown()
	success, data = turtle.inspectDown()
	if data.name == "minecraft:diamond_ore" or data.name == "minecraft:redstone_ore" or data.name == "minecraft:iron_ore" or data.name == "minecraft:coal_ore" or data.name == "minecraft:gold_ore" or data.name == "minecraft:lapis_ore" then
		print("I found ", data.name, "!")
		return true
	end
end



function check()
	print("I'm gonna check for some ore!")
	print("Checking in front of me!")
	if checkWanted() then
		while turtle.detect() do
			turtle.dig()
		end
		turtle.forward()
		checks = checks + 1
		check()
		turtle.back()
		checks = checks - 1
	end
	print("Checking to my left!")
	turtle.turnLeft()
	if checkWanted() then
		while turtle.detect() do
			turtle.dig()
		end
		turtle.forward()
		checks = checks + 1
		check()
		turtle.back()
		checks = checks - 1
	end
	print("Checking to my right!")
	turtle.turnRight()
	turtle.turnRight()
	if checkWanted() then
		while turtle.detect() do
			turtle.dig()
		end
		turtle.forward()
		checks = checks + 1
		check()
		turtle.back()
		checks = checks - 1
	end
	turtle.turnLeft()
	print("Checking above me!")
	if checkWantedUp() then
		turtle.digUp()
		turtle.turnLeft()
		turtle.turnLeft()
		turtle.turnLeft()
		turtle.turnLeft()
		turtle.up()
		checks = checks + 1
		check()
		turtle.down()
		checks = checks - 1
	end
	print("Checking below me!")
	if checkWantedDown() then
		turtle.digDown()
		turtle.down()
		checks = checks + 1
		check()
		turtle.up()
		checks = checks - 1
	end
end

function mine()
	turtle.select(1)
	print("I have ", getCount(), " items.")

	if turtle.detect() == true then
		turtle.dig()
	end
	for a = 1, h-1, 1 do
		if turtle.detectUp() then
			turtle.digUp()
		end
		if turtle.up() then
			y = y + 1
		end
		if turtle.detect() == true then
			turtle.dig()
		end
	end
	check()
	while y > 0 do
		if turtle.down() then
			y = y - 1
		end
		check()
	end
	if turtle.detectDown() == false then
		turtle.select(2)
		turtle.placeDown()
	end
	while turtle.detect() do
		turtle.dig()
	end
	turtle.forward()
	z = z + 1
	if getCount() > 320 then
		deposit()
	end
	if z > 0 then
		print("I'm ", z,"/", l, " of the way done.")
	end
end

function sideMine()
	turtle.select(1)
	print("I have ", getCount(), " items.")

	if turtle.detect() == true then
		turtle.dig()
	end
	for a = 1, h-1, 1 do
		if turtle.detectUp() then
			turtle.digUp()
		end
		if turtle.up() then
			y = y + 1
		end
		if turtle.detect() == true then
			turtle.dig()
		end
	end
	check()
	while y > 0 do
		if turtle.down() then
			y = y - 1
		end
		check()
	end
	if turtle.detectDown() == false then
		turtle.select(2)
		turtle.placeDown()
	end
	while turtle.detect() do
		turtle.dig()
	end
	turtle.forward()
	x = x + 1
	if getCount() > 320 then
		deposit()
	end
end



print("+-------------------------------------+")
print("| Branch Mine                         |")
print("+-------------------------------------+")
print("| Slot 1: Chests                      |")
print("| Slot 2: Blocks                      |")
print("+-------------------------------------+")
print("| Place turtle at start of mine.      |")
print("| Insert fuel. Specify height and     |")
print("| length. Press enter to start.       |")
print("+-------------------------------------+")
read()
print("+-------------------------------------+")
print("| Mine length = ?                     |")
print("+-------------------------------------+")
l = tonumber(read())
print("+-------------------------------------+")
print("| Mine height = ? (>=2)               |")
print("+-------------------------------------+")
h = tonumber(read())
print("+-------------------------------------+")
print("| Amount of shafts = ?                |")
print("+-------------------------------------+")
m = tonumber(read())

while z < l do
	mine()
end
turtle.turnLeft()
turtle.turnLeft()
while z > 0 do
	turtle.dig()
	turtle.forward()
	z = z - 1
end
turtle.turnLeft()
mined = mined + 1

while mined < m do
	sideMine()
	sideMine()
	sideMine()
	turtle.turnLeft()
	while z < l do
		mine()
	end
	turtle.turnLeft()
	turtle.turnLeft()
	while z > 0 do
		turtle.dig()
		turtle.forward()
		z = z - 1
	end
	turtle.turnLeft()
	mined = mined + 1
end
turtle.turnLeft()
turtle.turnLeft()
while x > 0 do
	turtle.dig()
	turtle.forward()
	x = x - 1
end
turtle.turnRight()

print("I put down ", chestsDropped, " chests for you.")