Add conditional

stoneblock-3-chicken-breeder/betterbreeder.lua

@@ -5,19 +5,25 @@ function placeBreeder()
   breeder = peripheral.wrap('top')
   -- First, we nab the new chicken in slot 1
   turtle.select(1)
-  turtle.suckUp()
-  -- Then, we destroy the breeder
-  turtle.select(2)
-  turtle.digUp()
-  -- We are now in a position where we have:
-  -- 1: Good chicken
-  -- 2: Inferior chicken
-  -- 3: Seeds/second inferior chicken
-  -- 4: Breeder/seeds
-  -- 5: Null/breeder
-  -- In any case, discarding 1 item in slot 2 will eliminate poor genes
-  --turtle.select(2) -- Unnecessary due to previous instr
-  turtle.dropDown(1)
+  -- Check to see if this iteration obtained a new chicken
+  if turtle.suckUp() then
+    -- Then, we destroy the breeder
+    turtle.select(2)
+    turtle.digUp()
+    -- We are now in a position where we have:
+    -- 1: Good chicken
+    -- 2: Inferior chicken
+    -- 3: Seeds/second inferior chicken
+    -- 4: Breeder/seeds
+    -- 5: Null/breeder
+    -- In any case, discarding 1 item in slot 2 will eliminate poor genes
+    --turtle.select(2) -- Unnecessary due to previous instr
+    turtle.dropDown(1)
+  else
+    -- Just pop the breeder for consistency
+    turtle.select(2)
+    turtle.digUp()
+  end
   -- Now we re set-up the breeder
   selectItem('chickens:breeder')
   turtle.placeUp()