clean

x=1
y=1
z=1
face=2 --n0 e1 s2 w3
t=turtle

xmax = 80 --EVEN NUMBERS RETARD
ymax = 30
zmax = 80

function move()
  if t.forward() == false then
    t.attack("right")
    t.dig()
    move()
  end
end
function forceForward()
  if t.detect() then
    t.dig()
  end
  move()
end

function forceUp()
  if t.detectUp() then
    t.digUp()
  end
  t.up()
end

function forceDown()
  if t.detectDown() then
    t.digDown()
  end
  if t.down() == false then
    t.attack()
    forceDown()
  end
end

function left()
  t.turnLeft()
  if face == 0 then
    face = 3
  else
    face = face - 1
  end
end

function right()
  t.turnRight()
  if face == 3 then
    face = 0
  else
    face = face + 1
  end
end

function clean()
  while y < ymax do
    while x < xmax do
      while z < zmax do
        if t.detect() then
          dumpCheck()
          t.dig()
        end
        move()
        z = z + 1
      end
      if x%2 == 1 then
        right()
        t.dig()
        move()
        right()
      else
        left()
        t.dig()
        move()
        left()
      end
      x = x + 1
      z = 1
    end
    t.digUp()
    t.up()
--    left()
--    left()
    y = y + 1
    x = 1
  end
end

function dumpCheck()
  local i = 0
  local inv = 0
  while i < 16 do
    if t.getItemCount(i+1) ~= 0 then
      inv = inv + 1
    end
    i = i + 1
  end
  if inv > 14 then
    dump()
  end
end

function dump()
  tempx=x
  tempy=y
  tempz=z
  tempface = face
  --handling y
  while y > 1 do
    forceDown()
    y = y - 1
  end
  --handling x
  while face ~= 1 do
    left()
  end
  if tempy%2 == 1 then
    while x > 1 do
      forceForward()
      x = x - 1
    end
  else
    while x < xmax do
      forceForward()
      x = x + 1
    end
  end
  --handling z
  while face ~= 0 do
    left()
  end
  if tempx%2 == 1 then
    while z > 1 do
      forceForward()
      z = z - 1
    end
  else
    while z < zmax do
      forceForward()
      z = z + 1
    end
  end
  --At chest, now face East 1
  while face ~= 1 do
    left()
  end
  local i = 0
  for i = 16,1,-1 do
    t.select(i)
    t.drop()
  end
  --Returning to z
  while face ~= 2 do
    left()
  end
  if tempx%2 == 1 then
    while z < tempz do
      forceForward()
      z = z + 1
    end
  else
    while z > tempz do
      forceForward()
      z = z - 1
    end
  end
  --Returning to x
  while face ~= 3 do
    left()
  end
  if tempy%2 == 1 then
    while x < tempx do
      forceForward()
      x = x + 1
    end
  else
    while x > tempx do
      forceForward()
      x = x - 1
    end
  end
  --Returning to y
  while y < tempy do
    forceUp()
    y = y + 1
  end
  --Returning face
  while face ~= tempface do
    left()
  end
end

clean()