add proper wall building and ceiling building

src/main.lua

@@ -268,6 +268,7 @@ local function printdes(buf, dimensions)
     move("forward")
 
     for cy=1,dimensions["y"],1 do
+        for _=1,3,1 do -- build floor
             for cz=1,dimensions["z"],1 do
                 for cx=1,dimensions["x"],1 do
                     placebuf(buf, cx, cy, cz)
@@ -292,6 +293,31 @@ local function printdes(buf, dimensions)
             move("right")
             move("up")
         end
+        -- build ceiling/floor
+        for _=1,dimensions["z"],1 do
+            for _=1,dimensions["x"],1 do
+                place("down")
+                move("forward")
+            end
+            -- return to standard pos but +1 to z
+            --move("back")
+            move("right")
+            move("forward")
+            move("right")
+            for _=1,dimensions["x"],1 do
+                move("forward")
+            end
+            move("right")
+            move("right")
+        end
+        -- return to standard pos but +1 to y
+        move("left")
+        for _=1,dimensions["z"],1 do
+            move("forward")
+        end
+        move("right")
+        move("up")
+    end
 end
 
 while true do