Apply sign work zones before candidate routing

mosfet/jobs/gather_wood.py

@@ -30,10 +30,11 @@ class GatherWoodStates:
         w = self.g.world
         p = utils.pint(self.g.pos)
 
-        for tree in w.find_trees(p, 100):
-            print('Found tree:', tree)
+        trees = w.filter_work_positions(w.find_trees(p, 100))
+        for tree in trees:
             if tree in self.bad_trees:
                 continue
+            print('Found tree:', tree)
             tree_type = blocks.BLOCKS[w.block_at(*tree)].replace('_log', '')
             if items.get_sapling_id(tree_type) is None:
                 print('No plantable sapling for', tree_type, '- skipping')
@@ -53,7 +54,10 @@ class GatherWoodStates:
 
     def find_openings(self):
         w = self.g.world
-        self.openings = w.find_tree_openings(self.tree)
+        self.openings = [
+            opening for opening in w.find_tree_openings(self.tree)
+            if w.work_position_allowed(opening)
+        ]
         self.state = self.choose_opening
 
     def choose_opening(self):