Stardew Valley: Replace current naive entrance rando with GER (#4624)

worlds/stardew_valley/regions/regions.py

@@ -0,0 +1,61 @@
+from typing import Protocol
+
+from BaseClasses import Region
+from . import vanilla_data, mods
+from .entrance_rando import create_player_randomization_flag, connect_regions
+from .model import ConnectionData, RegionData
+from ..content import StardewContent
+from ..content.vanilla.ginger_island import ginger_island_content_pack
+from ..options import StardewValleyOptions
+
+
+class RegionFactory(Protocol):
+    def __call__(self, name: str) -> Region:
+        raise NotImplementedError
+
+
+def create_regions(region_factory: RegionFactory, world_options: StardewValleyOptions, content: StardewContent) -> dict[str, Region]:
+    connection_data_by_name, region_data_by_name = create_connections_and_regions(content.registered_packs)
+
+    regions_by_name: dict[str: Region] = {
+        region_name: region_factory(region_name)
+        for region_name in region_data_by_name
+    }
+
+    randomization_flag = create_player_randomization_flag(world_options.entrance_randomization, content)
+    connect_regions(region_data_by_name, connection_data_by_name, regions_by_name, randomization_flag)
+
+    return regions_by_name
+
+
+def create_connections_and_regions(active_content_packs: set[str]) -> tuple[dict[str, ConnectionData], dict[str, RegionData]]:
+    regions_by_name = create_all_regions(active_content_packs)
+    connections_by_name = create_all_connections(active_content_packs)
+
+    return connections_by_name, regions_by_name
+
+
+def create_all_regions(active_content_packs: set[str]) -> dict[str, RegionData]:
+    current_regions_by_name = create_vanilla_regions(active_content_packs)
+    mods.modify_regions_for_mods(current_regions_by_name, sorted(active_content_packs))
+    return current_regions_by_name
+
+
+def create_vanilla_regions(active_content_packs: set[str]) -> dict[str, RegionData]:
+    if ginger_island_content_pack.name in active_content_packs:
+        return {**vanilla_data.regions_with_ginger_island_by_name}
+    else:
+        return {**vanilla_data.regions_without_ginger_island_by_name}
+
+
+def create_all_connections(active_content_packs: set[str]) -> dict[str, ConnectionData]:
+    connections = create_vanilla_connections(active_content_packs)
+    mods.modify_connections_for_mods(connections, sorted(active_content_packs))
+    return connections
+
+
+def create_vanilla_connections(active_content_packs: set[str]) -> dict[str, ConnectionData]:
+    if ginger_island_content_pack.name in active_content_packs:
+        return {**vanilla_data.connections_with_ginger_island_by_name}
+    else:
+        return {**vanilla_data.connections_without_ginger_island_by_name}