--Digs a row, as well as the row beneath it.
--Length is the length of the row to dig
function digRow( length, doubleRow )
  for i = 1, length do
  
    -- Check if we want a Double row
    -- Dig out the bottom of the row we are on
    if ( doubleRow and turtle.detectDown() ) then
      turtle.digDown()
    end
    
    -- If not on the last row, clear dig until we can move
    -- (Will move forward in the process)
    if ( i < length ) then
       while ( not turtle.forward() ) do
         turtle.dig()
       end
    end
    
  end
end

function digLevel( width, length, doubleRow )
   for i = 1, width do
     digRow( length, doubleRow )
     
     -- If we're on an odd row, we want to turn right
     if ( i < width and i % 2 == 1 ) then
       turtle.turnRight()
       while ( not turtle.forward() ) do
         turtle.dig( )
       end
       turtle.turnRight( )
     
     -- Else turn left
     elseif ( i < width ) then
       turtle.turnLeft()
       while ( not turtle.forward() ) do
         turtle.dig( )
       end
       turtle.turnLeft( )
     end
   end
     
   -- If ending on a far side
   if ( i % 2 == 1 ) then
     turtle.turnRight()
     turtle.turnRight()
     for x = 1, length do
       turtle.forward()
     end
     turtle.turnRight()
   end
   
   for y = 1, width do
     turtle.forward()
   end
   
   turtle.turnRight()
end

function checkInventory( )
  
end

local args = { ... }

-- Grab the arguments!
local width = tonumber(args[ 1 ])
local heigh = tonumber(args[ 2 ])
local depth = tonumber(args[ 3 ])

for row = 1, depth/2 do
  digLevel( width, height, true )
  
  -- Move down to the next room
  turtle.down()
  if ( turtle.detectDown() ) then
    turtle.digDown()
  end
  turtle.down()
end

if ( depth % 2 == 1 ) then
  digLevel( width, height, false )
end

for row = 1, depth do
  while ( not turtle.up() ) do
    turtle.digUp()
  end
end