print("Slot16: Fackeln")
print("Slot15: Endertruhe")
print("Slot14: Muell")
print("Wie lang soll der Gang werden?:")
lang=io.read()
lang=lang+0
lang1=lang

print("Wie breit soll der Gang werden?:")
breit=io.read()
breit=breit+0
breit1=breit

fackel=0
fackel1=-1


function VOR()
	while turtle.detect()==true do
		turtle.dig()
		os.sleep(0.5)
	end

	turtle.forward()

	while turtle.detectUp()==true do
		turtle.digUp()
		os.sleep(0.5)
	end

	while turtle.detectDown()==true do
		turtle.digDown()
	end
end


function CLEAN()
	for i=13,1,-1 do
		turtle.select(i)
		if turtle.compareTo(14) then
			turtle.drop()
		end
	end

	turtle.down()
	turtle.turnLeft()
	turtle.turnLeft()
	turtle.select(15)
	turtle.place()

	for k=1,13 do
		turtle.select(k)
		turtle.drop()
	end

	turtle.select(15)
	turtle.dig()
	turtle.turnLeft()
	turtle.turnLeft()
	turtle.up()
end


function LIGHT()
	turtle.back()
	turtle.down()
	turtle.turnLeft()
	turtle.turnLeft()
	turtle.select(16)
	turtle.place()
	turtle.turnRight()
	turtle.turnRight()
	turtle.up()
	turtle.forward()
end

turtle.up()

while breit>0 do

	while lang>0 do
		VOR()
		lang=lang-1
		fackel=fackel+1

		if fackel==4 and fackel1<=0 then
			LIGHT()
			fackel1=0
		end

		if fackel==4 and fackel1==2	then
			LIGHT()
			fackel1=0
		end

		if fackel==4 then
			fackel=0
		end
	end

	lang=lang+lang1
	fackel1=fackel1+1
	breit=breit-1


	if breit<=1 then
		turtle.turnLeft()
		turtle.turnLeft()

		while lang>0 do
			turtle.forward()
			lang=lang-1
		end

		CLEAN()
		turtle.down()
		fackel=0
		turtle.turnLeft()

		breit1=breit1-2

		while breit1>0 do
			turtle.forward()
			breit1=breit1-1
		end
		turtle.turnLeft()
		breit=breit-1
	end



	if breit>1 then
		turtle.turnLeft()
		VOR()
		turtle.turnLeft()

		while lang>0 do
			VOR()
			lang=lang-1
		end

		CLEAN()
		turtle.turnRight()
		VOR()
		turtle.turnRight()
		fackel=0
		breit=breit-1
	end

	lang=lang+lang1
end

term.clear()
term.setCursorPos(1,1)