Update 'Turtle/Turtle.lua'

Turtle/Turtle.lua

@@ -177,3 +177,13 @@ function Turtle:dropItemsDown(item, update)
     end
     
 end
+
+function Turtle:isInvEmpty(update)
+    self:assertInvUpdate(update)
+    for i = 1, 16 do
+        if (self.inv[i] ~= nil) then
+            return false
+        end
+    end
+    return true
+end