Mining Turtle Intelligent Quarry

io.write("Length of the side example: 5 = 5x5 ")
local size = tonumber(read())

io.write("Start Y-Level (e.g. 64): ")
local currentHeight = tonumber(read())
local startY = currentHeight

local targetHeight = -30
local areasize = size * size



-- Fläche vorwärts graben
local function digLayerForward()
    for row = 1, size do
        for col = 1, size - 1 do
            turtle.dig()
            turtle.forward()
        end
        if row < size then
            if row % 2 == 1 then
                turtle.turnRight()
                turtle.dig()
                turtle.forward()
                turtle.turnRight()
            else
                turtle.turnLeft()
                turtle.dig()
                turtle.forward()
                turtle.turnLeft()
            end
        end
    end
end

-- Fläche rückwärts graben
local function digLayerBackward(odd)
  if odd == true then
      for row = 1, size do
          for col = 1, size - 1 do
              turtle.dig()
              turtle.forward()
          end
          if row < size then
              if row % 2 == 1 then
                  turtle.turnRight()
                  turtle.dig()
                  turtle.forward()
                  turtle.turnRight()
              else
                  turtle.turnLeft()
                  turtle.dig()
                  turtle.forward()
                  turtle.turnLeft()
              end
          end
      end
  else
      for row = 1, size do
          for col = 1, size - 1 do
              turtle.dig()
              turtle.forward()
          end
          if row < size then
              if row % 2 == 1 then
                  turtle.turnLeft()
                  turtle.dig()
                  turtle.forward()
                  turtle.turnLeft()
              else
                  turtle.turnRight()
                  turtle.dig()
                  turtle.forward()
                  turtle.turnRight()
              end
          end
      end
  end
end

local unwanted = { cobblestone=true, dirt=true, grass=true, cobbled_deepslate=true, gravel=true }
local function cleanupInventory()
  for i=1,16 do
    local d = turtle.getItemDetail(i)
    if d and unwanted[d.name:match(".+:(.+)")] then
      turtle.select(i); turtle.drop()
    end
  end
  turtle.select(1)
end


local function isInventoryFull()
    cleanupInventory()

    local maxvalue = areasize * 2
    if maxvalue > 800 then
        maxvalue = 800
    end



    local cnt=0
    for i=1,16 do cnt=cnt + turtle.getItemCount(i) end
    print("Inventar: " .. cnt)
    return cnt >= maxvalue
end

local function goHomeAndBack()
    local layer = (startY - currentHeight) + 1

    -- nach oben zur Startposition (bei der Kiste)
    while turtle.detectUp() do turtle.digUp(); sleep(0.2) end
    while currentHeight < startY do
        turtle.up()
        currentHeight = currentHeight + 1
    end

    -- Kiste ist direkt hinter der Turtle
    turtle.turnLeft()
    turtle.turnLeft()

    -- Items droppen
    for i = 2, 16 do
        turtle.select(i)
        turtle.drop()
    end
    turtle.select(1)

    turtle.turnLeft()
    turtle.turnLeft()

    -- zurück auf das alte Y-Level
    while turtle.detectDown() do turtle.digDown(); sleep(0.2) end
    while currentHeight > (startY - layer + 1) do
        turtle.down()
        currentHeight = currentHeight - 1
    end
end



local function moveCoalToSlot1()
    turtle.select(1)
    for i=2,16 do
      local it = turtle.getItemDetail(i)
      if it and it.name=="minecraft:coal" then
        turtle.transferTo(1, turtle.getItemCount(i))
        break
      end
    end
    turtle.select(1)
end

local function fuelCheck()
    moveCoalToSlot1()
    turtle.select(1)

    local coalusage = areasize / 80
    local coalusageround = math.ceil(coalusage)




    local d = turtle.getItemDetail()
    if d and d.name=="minecraft:coal" then
      turtle.refuel(coalusageround); return
    else
        print("No Coal")
    end
end



-- Hauptloop
while currentHeight > targetHeight do
    fuelCheck()
    if isInventoryFull() then
        goHomeAndBack()
    end
    digLayerForward()
    turtle.turnLeft()
    turtle.turnLeft()
    while turtle.detectDown() do
      turtle.digDown()
      sleep(0.4)
    end
    if turtle.down() then
      currentHeight = currentHeight - 1
      print("Aktuelle Höhe: " .. currentHeight)
    else
      print("Konnte nicht nach unten.")
      break -- ✅ jetzt korrekt innerhalb der while-Schleife
    end
    digLayerBackward(size % 2 == 1)
    turtle.turnLeft()
    turtle.turnLeft()
    while turtle.detectDown() do
      turtle.digDown()
      sleep(0.4)
    end
    if turtle.down() then
      currentHeight = currentHeight - 1
      print("Aktuelle Höhe: " .. currentHeight)
    else
      print("Konnte nicht nach unten.")
      break -- ✅ jetzt korrekt innerhalb der while-Schleife
    end

    -- nach unten graben
end

print("Fertig!")