View difference between Paste ID: MFtApsZ2 and PpKs50m3

 os.loadAPI("libstruct")
 b=libstruct
 a=aware
 args = {...}
 
 if #args < 1 then
 	error("Arguments: <name>")
 end
 
 t=b.load(args[1]..".3d")
 height=t["height"]
 width=t["width"]
 depth=t["depth"]
 
 height=((height+1)*2)-1
 width=((width+1)*2)-1
 depth=((depth+1)*2)-1
 
 endblock=t["endblock"]
 parwidth=(width %2 == 0) -- width er partall
 moveleft=true
 a.setposition("start")
 
 function refill(r)
 	if r == nil  then
 		print("refill got r == nil")
 		return
 	end
 	if r == 0  then return end
 	if turtle.getItemCount(r) > 5 then return end
 	if not (endblock==16) then
 	        turtle.select(r)
-         print("Looking for " .. r .. " from " .. endblock+1 .. " to 16")
+         	print("Looking for " .. r .. " from " .. endblock+1 .. " to 16")
 	        for i=endblock+1,16 do
 	                if turtle.compareTo(i) then
                          print("Found in " .. i)
 	                        turtle.select(i)
 	                        turtle.transferTo(r)
 	                        free=turtle.getItemSpace(r)
 				turtle.select(r)
-	                turtle.select(r)
+		                if free == 0 then
-	                if free == 0 then
+        	                	print("free == 0 ")
-                        print("free == 0 ")
+	                	        break
-	                        break
+	        	        end
 			else
 				print(r .. " was not in " .. i)
 	                end
-        if turtle.getItemCount(r) < 2 then
+
 	        end
-		while (turtle.getItemCount(r) < 2) do
+
         if turtle.getItemCount(r) <= 5 then
 		print("--Sleeping while waiting for refill for slot " .. r)
 		while (turtle.getItemCount(r) <= 5) do
 	        	os.sleep(15)
 	        end
 	end
 end
 
 function line()
         print("Building line")
         for d=0,depth do
                 pos = a.getposition("current")
                 print("Pos: h" .. pos[3]*-1 .. "-w" .. pos[1] .. "-d" .. pos[2])
 		block = t[math.floor((pos[3]*-1)/2)][math.floor(pos[1]/2)][math.floor(pos[2]/2)]
 		refill(block)
 		b.place(block)
                 if(d<depth) then
                         a.df()
                 end
         end
 end
 
 
 function turn()
         if(moveleft) then
                 print("Moving left")
                 a.l()
                 a.df()
                 a.l()
         else
                 print("Moving right")
                 a.r()
                 a.df()
                 a.r()
         end
         moveleft = not moveleft
 end
 
 function layer()
 	print("Building layer")
 	for w=0,width do
 		line()
 	        if(w<width) then
 		        turn()
 	        end
 	end
 end
 
 -- we build from the bottom up
 for h=0,height-1 do
 	a.dd()
 end
 
 for h=0,height do
 	layer()
 	if not (h == height) then
 		a.du()
 		b.t180()
 		if parwidth then
 			if h%2 == 0 then
 				turnleft=false
 			else
 				turnleft=true
 			end
 		else
 			turnleft=true
 		end
 	end
 end
 
 print("Finised, going home")
 a.goto(a.getposition("start"))
 b.awarecleanup()