Cache after sleep near labeled chests

mosfet/jobs/gather_crop.py

@@ -105,9 +105,10 @@ class GatherCropStates:
         crop, section_size = self._select_crop(candidates, crop_types, p)
 
         if crop is None:
-            print('No good crops left; retrying after a short wait.')
-            self.retry_after = time.monotonic() + 15.0
-            self.state = self.wait_for_crops
+            print('No good crops left; running maintenance after {} harvests'.format(
+                self.completed_crops))
+            self.completed_crops = 0
+            self.state = self.cleanup
             return
 
         print('Found crop:', crop,
@@ -116,10 +117,6 @@ class GatherCropStates:
         self.type_id = w.block_at(*crop)
         self.state = self.nav_to_crop
 
-    def wait_for_crops(self):
-        if time.monotonic() >= self.retry_after:
-            self.state = self.find_new_crop
-
     def nav_to_crop(self):
         w = self.g.world
         p = utils.pint(self.g.pos)
@@ -251,7 +248,6 @@ class GatherCropStates:
         self.seed_deadline = None
         self.seed_wait_logged = False
         self.active_section_anchor = None
-        self.retry_after = 0.0
         self.bad_crops = []
         self.completed_crops = 0