Potential fix for vanilla door + ER key logic

DoorShuffle.py

@@ -225,8 +225,24 @@ def vanilla_key_logic(world, player):
 
     add_inaccessible_doors(world, player)
     entrances_map, potentials, connections = determine_entrance_list(world, player)
-    for builder in builders:
+    enabled_entrances = world.enabled_entrances[player] = {}
+    builder_queue = deque(builders)
+    last_key, loops = None, 0
+    while len(builder_queue) > 0:
+        builder = builder_queue.popleft()
         origin_list = entrances_map[builder.name]
+        find_enabled_origins(builder.sectors, enabled_entrances, origin_list, entrances_map, builder.name)
+        if len(origin_list) <= 0:
+            if last_key == builder.name or loops > 1000:
+                origin_name = (world.get_region(origin_list[0], player).entrances[0].parent_region.name
+                               if len(origin_list) > 0 else 'no origin')
+                raise GenerationException(f'Infinite loop detected for "{builder.name}" located at {origin_name}')
+            builder_queue.append(builder)
+            last_key = builder.name
+            loops += 1
+        else:
+            find_new_entrances(builder.master_sector, entrances_map, connections, potentials,
+                               enabled_entrances, world, player)
             start_regions = convert_regions(origin_list, world, player)
             doors = convert_key_doors(default_small_key_doors[builder.name], world, player)
             key_layout = build_key_layout(builder, start_regions, doors, {}, world, player)