Shivers: Add events and fix require puzzle hints logic (#4018)

* Adds some events, renames things, fails for many players.

* Adds entrance rules for requires hints.

* Cleanup and add goal item.

* Cleanup.

* Add additional rule.

* Event and regions additions.

* Updates from merge.

* Adds collect behavior option.

* Fix missing generator location.

* Fix whitespace and optimize imports.

* Switch location order back.

* Add name replacement for storage.

* Fix test failure.

* Improve puzzle hints required.

* Add missing locations and cleanup indirect conditions.

* Fix naming.

* PR feedback.

* Missed comment.

* Cleanup imports, use strings for option equivalence, and update option description.

* Fix rule.

* Create rolling buffer goal items and remove goal items and location from default options.

* Cleanup.

* Removes dateutil.

* Fixes Subterranean World information plaque.

worlds/shivers/Constants.py

@@ -1,17 +1,25 @@
-import os
 import json
+import os
 import pkgutil
+from datetime import datetime
+
 
 def load_data_file(*args) -> dict:
     fname = "/".join(["data", *args])
     return json.loads(pkgutil.get_data(__name__, fname).decode())
 
+
+def relative_years_from_today(dt2: datetime) -> int:
+    today = datetime.now()
+    years = today.year - dt2.year
+    if today.month < dt2.month or (today.month == dt2.month and today.day < dt2.day):
+        years -= 1
+    return years
+
+
 location_id_offset: int = 27000
-
 location_info = load_data_file("locations.json")
-location_name_to_id = {name: location_id_offset + index \
-	for index, name in enumerate(location_info["all_locations"])}
-
+location_name_to_id = {name: location_id_offset + index for index, name in enumerate(location_info["all_locations"])}
 exclusion_info = load_data_file("excluded_locations.json")
-
 region_info = load_data_file("regions.json")
+years_since_sep_30_1980 = relative_years_from_today(datetime.fromisoformat("1980-09-30"))