Une Mine

--Local

local bedrockLayer = 5

local startingX = 0
local startingY
local startingZ = 0
local startingD = 0

local currentX = 0
local currentY = 0
local currentZ = 0
local currentD = 0

local squareSize
local done = true
local currentSlot
local data
local succes
local horizontalState = 0

local i

direction = {NORTH=0, EAST=1, SOUTH=2, WEST=3}

-- Movement functions

function printAllData()

print("startingX" .. startingX)
print("startingY" .. startingY)
print("startingZ" .. startingZ)
print("startingD" .. startingD)
print("currentX" .. currentX)
print("currentY" .. currentY)
print("currentZ" .. currentZ)
print("currentD" .. currentD)
print("squareSize" .. squareSize)

end

function goUp()

	currentY =  currentY + 1
	turtle.digUp()
	turtle.up()
	checkFuelLevel()
end

function goDown()

	currentY = currentY - 1
	turtle.digDown()
	turtle.down()
	checkFuelLevel()
end

function goNorth()

	if(currentD == 3) then
		turtle.turnRight()
	end

	if(currentD == 2) then
		turtle.turnRight()
		turtle.turnRight()
	end

	if(currentD == 1) then
		turtle.turnLeft()

	end

	currentX = currentX + 1
	currentD = 0
	turtle.dig()
	turtle.forward()
	checkFuelLevel()

end

function goSouth()

	if(currentD == 1) then
		turtle.turnRight()
	end

	if(currentD == 0) then
		turtle.turnRight()
		turtle.turnRight()
	end

	if(currentD == 3) then
		turtle.turnLeft()
	end

	currentX = currentX - 1

	currentD = 2
	turtle.dig()
	turtle.forward()
	checkFuelLevel()

end

function goEast()

	if(currentD == 0) then
		turtle.turnRight()
	end

	if(currentD == 3) then
		turtle.turnRight()
		turtle.turnRight()
	end

	if(currentD == 2) then
		turtle.turnLeft()
	end

	currentZ = currentZ + 1

	currentD = 1
	turtle.dig()
	turtle.forward()
	checkFuelLevel()

end

function goWest()

	if(currentD == 2) then
		turtle.turnRight()
	end

	if(currentD == 1) then
		turtle.turnRight()
		turtle.turnRight()
	end

	if(currentD == 0) then
		turtle.turnLeft()
	end

	currentZ = currentZ - 1

	currentD = 3
	turtle.dig()
	turtle.forward()
	checkFuelLevel()
end

function goToMiningStart()
	print("goToMiningStart")
	while(currentY > (bedrockLayer)) do
		goDown()
		print("should go down")
	end
end

function goToZero()
	print("goToZero")
	if(currentX < 0) then
		while (currentX < 0) do
			goNorth()
		end
	elseif(currentX > 0) then
		while (currentX > 0) do
			goSouth()
		end
	end

	if(currentZ < 0) then
		while (currentZ < 0) do
			goEast()
		end
	elseif(currentZ > 0) then
		while (currentZ > 0) do
			goWest()
		end
	end
end

function goToNextSlice()
	print("goToNextSlice")
	goToZero()
	faceNorth()

	goUp()
	goUp()

end

function returnToStartPoint()
print("returnToStartPoint")
	goToZero()

	if(currentY <= startingY) then
		while(currentY < startingY) do
			goUp()
		end
	else
		while(currentY > startingY) do
			goDown()
		end
	end
end

function faceNorth()

	if(currentD == 3) then
		turtle.turnRight()
	end

	if(currentD == 2) then
		turtle.turnRight()
		turtle.turnRight()
	end

	if(currentD == 1) then
		turtle.turnLeft()
	end

	currentD = 0

end

-- Check functions

function checkFuelLevel()

	if(turtle.getFuelLevel() < 80) then
		refuelFromEnderChest()
	end
end

function refuelFromEnderChest()
	print("refuelFromEnderChest")
	dumpIntoEnderChest()

	turtle.select(16)
	turtle.place()

	turtle.select(1)
	turtle.suck(32)
	turtle.refuel(32)

	if(turtle.getItemCount(1) ~= 0) then
		turtle.drop()
	end

	turtle.dig()
	turtle.transferTo(16)

end

function isBlockUseful(data)

	if(data.name == "minecraft:stone" or data.name == "minecraft:dirt") then
		return false
	else
		return true
	end
end

function checkAvailableInventory()

	for i = 1, 14 do
		if(turtle.getItemCount(i) == 0) then
			return i
		end
	end

	return -1

end

function dumpIntoEnderChest()
print("dumpIntoEnderChest")
	turtle.dig()
	turtle.select(15)
	turtle.place()

	for i = 1,14 do
		turtle.select(i)

		if(turtle.getItemCount(i) ~= 0) then
			done = turtle.drop()
		end

		while(done == false) do
		print("enter while")
			sleep(10)
			done = turtle.drop()
		end
		done = true
	end

	turtle.select(1)
	turtle.dig()
	turtle.transferTo(15)

end

function changeHorizontalState()
	if(horizontalState == 0) then
		horizontalState = 1
	else
		horizontalState = 0
	end
end
-- Mining function
-- Direction code : Front = 0, Under = 1, Above = 2

function mineDirection(direc)

	if(direc == 0 ) then
		succes, data = turtle.inspect()

		if(succes == true and isBlockUseful(data) == true) then
			if(checkAvailableInventory() == -1) then
				dumpIntoEnderChest()
			end
			turtle.dig()
		end
	end

	if(direc == 1 ) then
		succes, data = turtle.inspectDown()

		if(succes == true and isBlockUseful(data) == true) then
			if(checkAvailableInventory() == -1) then
				dumpIntoEnderChest()
			end
			turtle.digDown()
		end
	end

	if(direc == 2 ) then
		succes, data = turtle.inspectUp()

		if(succes == true and isBlockUseful(data) == true) then
			if(checkAvailableInventory() == -1) then
				dumpIntoEnderChest()
			end
			turtle.digUp()
		end
	end
end

function mine()
	turtle.turnLeft()
	mineDirection(0)

	turtle.turnRight()
	mineDirection(0)

	turtle.turnRight()
	mineDirection(0)

	turtle.turnLeft()
	mineDirection(2)

end

function doVerticalLine()
	if(currentD == 0) then
	print("toto")
		while(currentX < squareSize) do
			mine()
			goNorth()
		end
		mine()
		goEast()
	end

	if (currentD == 2) then
		while(currentX > 0) do
			mine()
			goSouth()
		end
		mine()
		goEast()
	end

end

function doHorizontalLine()

	if (currentD == 1) then
		for i = 0, 1 do
			mine()
			goEast()
		end
		mine()
		if(horizontalState == 0 ) then
			goSouth()
			changeHorizontalState()
		else
			goNorth()
			changeHorizontalState()
		end
	end

end

function doSlice()
print("doSlice")

printAllData()
	while(currentX <= squareSize and currentZ <= squareSize) do
		doVerticalLine()
		doHorizontalLine()
	end
end

function mineAll()
	goToMiningStart()
	doSlice()

	print("before while")
	while(currentY < 30) do
	print("entered while")
		goToNextSlice()
		doSlice()
	end

	dumpIntoEnderChest()
	returnToStartPoint()

end
-- Main


local args = { ... }
local canRun = false

print("Please input two argument, square size and current turtle height ")

if (#args <= 1 or #args > 2) then
	print("Please input two argument, square size, current turtle height and turtle facing direction")
elseif(#args == 2) then
	print("Detected 2 arguments")
	squareSize = tonumber(args[1])
	startingY = tonumber(args[2])
	currentY = startingY
	canRun = true
end

if (canRun == true) then
    print("Mining started")
	mineAll()
end