Jouramie
diff --git a/‎BaseClasses.py
+15-25 b/‎BaseClasses.py
+15-25
diff --git a/‎Fill.py
+7-5 b/‎Fill.py
+7-5
diff --git a/‎Generate.py
+7-11 b/‎Generate.py
+7-11
diff --git a/‎Main.py
+11-11 b/‎Main.py
+11-11
diff --git a/‎Options.py
+69-19 b/‎Options.py
+69-19
@@ -226,25 +226,24 @@ def set_seed(self, seed: Optional[int] = None, secure: bool = False, name: Optio
                                  range(1, self.players + 1)}
 
     def set_options(self, args: Namespace) -> None:
-        for option_key in Options.common_options:
-            setattr(self, option_key, getattr(args, option_key, {}))
-        for option_key in Options.per_game_common_options:
-            setattr(self, option_key, getattr(args, option_key, {}))
-
         for player in self.player_ids:
             self.custom_data[player] = {}
             world_type = AutoWorld.AutoWorldRegister.world_types[self.game[player]]
-            for option_key in world_type.option_definitions:
-                setattr(self, option_key, getattr(args, option_key, {}))
-
             self.worlds[player] = world_type(self, player)
             self.worlds[player].random = self.per_slot_randoms[player]
+            for option_key in world_type.options_dataclass.type_hints:
+                option_values = getattr(args, option_key, {})
+                setattr(self, option_key, option_values)
+                # TODO - remove this loop once all worlds use options dataclasses
+            options_dataclass: typing.Type[Options.PerGameCommonOptions] = self.worlds[player].options_dataclass
+            self.worlds[player].options = options_dataclass(**{option_key: getattr(args, option_key)[player]
+                                                               for option_key in options_dataclass.type_hints})
 
     def set_item_links(self):
         item_links = {}
         replacement_prio = [False, True, None]
         for player in self.player_ids:
-            for item_link in self.item_links[player].value:
+            for item_link in self.worlds[player].options.item_links.value:
                 if item_link["name"] in item_links:
                     if item_links[item_link["name"]]["game"] != self.game[player]:
                         raise Exception(f"Cannot ItemLink across games. Link: {item_link['name']}")
@@ -299,14 +298,6 @@ def set_item_links(self):
             group["non_local_items"] = item_link["non_local_items"]
             group["link_replacement"] = replacement_prio[item_link["link_replacement"]]
 
-    # intended for unittests
-    def set_default_common_options(self):
-        for option_key, option in Options.common_options.items():
-            setattr(self, option_key, {player_id: option(option.default) for player_id in self.player_ids})
-        for option_key, option in Options.per_game_common_options.items():
-            setattr(self, option_key, {player_id: option(option.default) for player_id in self.player_ids})
-        self.state = CollectionState(self)
-
     def secure(self):
         self.random = ThreadBarrierProxy(secrets.SystemRandom())
         self.is_race = True
@@ -863,31 +854,31 @@ def add_locations(self, locations: Dict[str, Optional[int]],
         """
         Adds locations to the Region object, where location_type is your Location class and locations is a dict of
         location names to address.
-        
+
         :param locations: dictionary of locations to be created and added to this Region `{name: ID}`
         :param location_type: Location class to be used to create the locations with"""
         if location_type is None:
             location_type = Location
         for location, address in locations.items():
             self.locations.append(location_type(self.player, location, address, self))
-    
+
     def connect(self, connecting_region: Region, name: Optional[str] = None,
                 rule: Optional[Callable[[CollectionState], bool]] = None) -> None:
         """
         Connects this Region to another Region, placing the provided rule on the connection.
-        
+
         :param connecting_region: Region object to connect to path is `self -> exiting_region`
         :param name: name of the connection being created
         :param rule: callable to determine access of this connection to go from self to the exiting_region"""
         exit_ = self.create_exit(name if name else f"{self.name} -> {connecting_region.name}")
         if rule:
             exit_.access_rule = rule
         exit_.connect(connecting_region)
-    
+
     def create_exit(self, name: str) -> Entrance:
         """
         Creates and returns an Entrance object as an exit of this region.
-        
+
         :param name: name of the Entrance being created
         """
         exit_ = self.entrance_type(self.player, name, self)
@@ -1257,7 +1248,7 @@ def get_path(state: CollectionState, region: Region) -> List[Union[Tuple[str, st
 
     def to_file(self, filename: str) -> None:
         def write_option(option_key: str, option_obj: Options.AssembleOptions) -> None:
-            res = getattr(self.multiworld, option_key)[player]
+            res = getattr(self.multiworld.worlds[player].options, option_key)
             display_name = getattr(option_obj, "display_name", option_key)
             outfile.write(f"{display_name + ':':33}{res.current_option_name}\n")
 
@@ -1275,8 +1266,7 @@ def write_option(option_key: str, option_obj: Options.AssembleOptions) -> None:
                     outfile.write('\nPlayer %d: %s\n' % (player, self.multiworld.get_player_name(player)))
                 outfile.write('Game:                            %s\n' % self.multiworld.game[player])
 
-                options = ChainMap(Options.per_game_common_options, self.multiworld.worlds[player].option_definitions)
-                for f_option, option in options.items():
+                for f_option, option in self.multiworld.worlds[player].options_dataclass.type_hints.items():
                     write_option(f_option, option)
 
                 AutoWorld.call_single(self.multiworld, "write_spoiler_header", player, outfile)
 
@@ -5,6 +5,8 @@
 from collections import Counter, deque
 
 from BaseClasses import CollectionState, Item, Location, LocationProgressType, MultiWorld
+from Options import Accessibility
+
 from worlds.AutoWorld import call_all
 from worlds.generic.Rules import add_item_rule
 
@@ -70,7 +72,7 @@ def fill_restrictive(world: MultiWorld, base_state: CollectionState, locations:
             spot_to_fill: typing.Optional[Location] = None
 
             # if minimal accessibility, only check whether location is reachable if game not beatable
-            if world.accessibility[item_to_place.player] == 'minimal':
+            if world.worlds[item_to_place.player].options.accessibility == Accessibility.option_minimal:
                 perform_access_check = not world.has_beaten_game(maximum_exploration_state,
                                                                  item_to_place.player) \
                     if single_player_placement else not has_beaten_game
@@ -265,7 +267,7 @@ def fast_fill(world: MultiWorld,
 
 def accessibility_corrections(world: MultiWorld, state: CollectionState, locations, pool=[]):
     maximum_exploration_state = sweep_from_pool(state, pool)
-    minimal_players = {player for player in world.player_ids if world.accessibility[player] == "minimal"}
+    minimal_players = {player for player in world.player_ids if world.worlds[player].options.accessibility == "minimal"}
     unreachable_locations = [location for location in world.get_locations() if location.player in minimal_players and
                              not location.can_reach(maximum_exploration_state)]
     for location in unreachable_locations:
@@ -288,7 +290,7 @@ def inaccessible_location_rules(world: MultiWorld, state: CollectionState, locat
     unreachable_locations = [location for location in locations if not location.can_reach(maximum_exploration_state)]
     if unreachable_locations:
         def forbid_important_item_rule(item: Item):
-            return not ((item.classification & 0b0011) and world.accessibility[item.player] != 'minimal')
+            return not ((item.classification & 0b0011) and world.worlds[item.player].options.accessibility != 'minimal')
 
         for location in unreachable_locations:
             add_item_rule(location, forbid_important_item_rule)
@@ -531,9 +533,9 @@ def balance_multiworld_progression(world: MultiWorld) -> None:
     # If other players are below the threshold value, swap progression in this sphere into earlier spheres,
     #   which gives more locations available by this sphere.
     balanceable_players: typing.Dict[int, float] = {
-        player: world.progression_balancing[player] / 100
+        player: world.worlds[player].options.progression_balancing / 100
         for player in world.player_ids
-        if world.progression_balancing[player] > 0
+        if world.worlds[player].options.progression_balancing > 0
     }
     if not balanceable_players:
         logging.info('Skipping multiworld progression balancing.')
 
@@ -157,7 +157,8 @@ def main(args=None, callback=ERmain):
                         for yaml in weights_cache[path]:
                             if category_name is None:
                                 for category in yaml:
-                                    if category in AutoWorldRegister.world_types and key in Options.common_options:
+                                    if category in AutoWorldRegister.world_types and \
+                                            key in Options.CommonOptions.type_hints:
                                         yaml[category][key] = option
                             elif category_name not in yaml:
                                 logging.warning(f"Meta: Category {category_name} is not present in {path}.")
@@ -340,7 +341,7 @@ def roll_meta_option(option_key, game: str, category_dict: Dict) -> Any:
         return get_choice(option_key, category_dict)
     if game in AutoWorldRegister.world_types:
         game_world = AutoWorldRegister.world_types[game]
-        options = ChainMap(game_world.option_definitions, Options.per_game_common_options)
+        options = game_world.options_dataclass.type_hints
         if option_key in options:
             if options[option_key].supports_weighting:
                 return get_choice(option_key, category_dict)
@@ -445,8 +446,8 @@ def roll_settings(weights: dict, plando_options: PlandoOptions = PlandoOptions.b
                                 f"which is not enabled.")
 
     ret = argparse.Namespace()
-    for option_key in Options.per_game_common_options:
-        if option_key in weights and option_key not in Options.common_options:
+    for option_key in Options.PerGameCommonOptions.type_hints:
+        if option_key in weights and option_key not in Options.CommonOptions.type_hints:
             raise Exception(f"Option {option_key} has to be in a game's section, not on its own.")
 
     ret.game = get_choice("game", weights)
@@ -466,16 +467,11 @@ def roll_settings(weights: dict, plando_options: PlandoOptions = PlandoOptions.b
         game_weights = weights[ret.game]
 
     ret.name = get_choice('name', weights)
-    for option_key, option in Options.common_options.items():
+    for option_key, option in Options.CommonOptions.type_hints.items():
         setattr(ret, option_key, option.from_any(get_choice(option_key, weights, option.default)))
 
-    for option_key, option in world_type.option_definitions.items():
+    for option_key, option in world_type.options_dataclass.type_hints.items():
         handle_option(ret, game_weights, option_key, option, plando_options)
-    for option_key, option in Options.per_game_common_options.items():
-        # skip setting this option if already set from common_options, defaulting to root option
-        if option_key not in world_type.option_definitions and \
-                (option_key not in Options.common_options or option_key in game_weights):
-            handle_option(ret, game_weights, option_key, option, plando_options)
     if PlandoOptions.items in plando_options:
         ret.plando_items = game_weights.get("plando_items", [])
     if ret.game == "Minecraft" or ret.game == "Ocarina of Time":
 
@@ -108,7 +108,7 @@ def main(args, seed=None, baked_server_options: Optional[Dict[str, object]] = No
     logger.info('')
 
     for player in world.player_ids:
-        for item_name, count in world.start_inventory[player].value.items():
+        for item_name, count in world.worlds[player].options.start_inventory.value.items():
             for _ in range(count):
                 world.push_precollected(world.create_item(item_name, player))
 
@@ -130,15 +130,15 @@ def main(args, seed=None, baked_server_options: Optional[Dict[str, object]] = No
 
     for player in world.player_ids:
         # items can't be both local and non-local, prefer local
-        world.non_local_items[player].value -= world.local_items[player].value
-        world.non_local_items[player].value -= set(world.local_early_items[player])
+        world.worlds[player].options.non_local_items.value -= world.worlds[player].options.local_items.value
+        world.worlds[player].options.non_local_items.value -= set(world.local_early_items[player])
 
     AutoWorld.call_all(world, "set_rules")
 
     for player in world.player_ids:
-        exclusion_rules(world, player, world.exclude_locations[player].value)
-        world.priority_locations[player].value -= world.exclude_locations[player].value
-        for location_name in world.priority_locations[player].value:
+        exclusion_rules(world, player, world.worlds[player].options.exclude_locations.value)
+        world.worlds[player].options.priority_locations.value -= world.worlds[player].options.exclude_locations.value
+        for location_name in world.worlds[player].options.priority_locations.value:
             try:
                 location = world.get_location(location_name, player)
             except KeyError as e:  # failed to find the given location. Check if it's a legitimate location
@@ -151,8 +151,8 @@ def main(args, seed=None, baked_server_options: Optional[Dict[str, object]] = No
     if world.players > 1:
         locality_rules(world)
     else:
-        world.non_local_items[1].value = set()
-        world.local_items[1].value = set()
+        world.worlds[1].options.non_local_items.value = set()
+        world.worlds[1].options.local_items.value = set()
 
     AutoWorld.call_all(world, "generate_basic")
 
@@ -360,11 +360,11 @@ def precollect_hint(location):
                                                                f" {location}"
                         locations_data[location.player][location.address] = \
                             location.item.code, location.item.player, location.item.flags
-                        if location.name in world.start_location_hints[location.player]:
+                        if location.name in world.worlds[location.player].options.start_location_hints:
                             precollect_hint(location)
-                        elif location.item.name in world.start_hints[location.item.player]:
+                        elif location.item.name in world.worlds[location.item.player].options.start_hints:
                             precollect_hint(location)
-                        elif any([location.item.name in world.start_hints[player]
+                        elif any([location.item.name in world.worlds[player].options.start_hints
                                   for player in world.groups.get(location.item.player, {}).get("players", [])]):
                             precollect_hint(location)
 
 
@@ -2,6 +2,9 @@
 
 import abc
 import logging
+from copy import deepcopy
+from dataclasses import dataclass
+import functools
 import math
 import numbers
 import random
@@ -211,6 +214,12 @@ def __gt__(self, other: typing.Union[int, NumericOption]) -> bool:
         else:
             return self.value > other
 
+    def __ge__(self, other: typing.Union[int, NumericOption]) -> bool:
+        if isinstance(other, NumericOption):
+            return self.value >= other.value
+        else:
+            return self.value >= other
+
     def __bool__(self) -> bool:
         return bool(self.value)
 
@@ -896,10 +905,55 @@ class ProgressionBalancing(SpecialRange):
     }
 
 
-common_options = {
-    "progression_balancing": ProgressionBalancing,
-    "accessibility": Accessibility
-}
+class OptionsMetaProperty(type):
+    def __new__(mcs,
+                name: str,
+                bases: typing.Tuple[type, ...],
+                attrs: typing.Dict[str, typing.Any]) -> "OptionsMetaProperty":
+        for attr_type in attrs.values():
+            assert not isinstance(attr_type, AssembleOptions),\
+                f"Options for {name} should be type hinted on the class, not assigned"
+        return super().__new__(mcs, name, bases, attrs)
+
+    @property
+    @functools.lru_cache(maxsize=None)
+    def type_hints(cls) -> typing.Dict[str, typing.Type[Option[typing.Any]]]:
+        """Returns type hints of the class as a dictionary."""
+        return typing.get_type_hints(cls)
+
+
+@dataclass
+class CommonOptions(metaclass=OptionsMetaProperty):
+    progression_balancing: ProgressionBalancing
+    accessibility: Accessibility
+
+    def as_dict(self, *option_names: str, casing: str = "snake") -> typing.Dict[str, typing.Any]:
+        """
+        Returns a dictionary of [str, Option.value]
+        
+        :param option_names: names of the options to return
+        :param casing: case of the keys to return. Supports `snake`, `camel`, `pascal`, `kebab`
+        """
+        option_results = {}
+        for option_name in option_names:
+            if option_name in type(self).type_hints:
+                if casing == "snake":
+                    display_name = option_name
+                elif casing == "camel":
+                    split_name = [name.title() for name in option_name.split("_")]
+                    split_name[0] = split_name[0].lower()
+                    display_name = "".join(split_name)
+                elif casing == "pascal":
+                    display_name = "".join([name.title() for name in option_name.split("_")])
+                elif casing == "kebab":
+                    display_name = option_name.replace("_", "-")
+                else:
+                    raise ValueError(f"{casing} is invalid casing for as_dict. "
+                                     "Valid names are 'snake', 'camel', 'pascal', 'kebab'.")
+                option_results[display_name] = getattr(self, option_name).value
+            else:
+                raise ValueError(f"{option_name} not found in {tuple(type(self).type_hints)}")
+        return option_results
 
 
 class LocalItems(ItemSet):
@@ -1020,17 +1074,16 @@ def verify(self, world: typing.Type[World], player_name: str, plando_options: "P
             link.setdefault("link_replacement", None)
 
 
-per_game_common_options = {
-    **common_options,  # can be overwritten per-game
-    "local_items": LocalItems,
-    "non_local_items": NonLocalItems,
-    "start_inventory": StartInventory,
-    "start_hints": StartHints,
-    "start_location_hints": StartLocationHints,
-    "exclude_locations": ExcludeLocations,
-    "priority_locations": PriorityLocations,
-    "item_links": ItemLinks
-}
+@dataclass
+class PerGameCommonOptions(CommonOptions):
+    local_items: LocalItems
+    non_local_items: NonLocalItems
+    start_inventory: StartInventory
+    start_hints: StartHints
+    start_location_hints: StartLocationHints
+    exclude_locations: ExcludeLocations
+    priority_locations: PriorityLocations
+    item_links: ItemLinks
 
 
 def generate_yaml_templates(target_folder: typing.Union[str, "pathlib.Path"], generate_hidden: bool = True):
@@ -1071,10 +1124,7 @@ def dictify_range(option: typing.Union[Range, SpecialRange]):
 
     for game_name, world in AutoWorldRegister.world_types.items():
         if not world.hidden or generate_hidden:
-            all_options: typing.Dict[str, AssembleOptions] = {
-                **per_game_common_options,
-                **world.option_definitions
-            }
+            all_options: typing.Dict[str, AssembleOptions] = world.options_dataclass.type_hints
 
             with open(local_path("data", "options.yaml")) as f:
                 file_data = f.read()