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

worlds/stardew_valley/regions/mods.py

@@ -0,0 +1,46 @@
+from collections.abc import Iterable
+
+from .model import ConnectionData, RegionData, ModRegionsData
+from ..mods.region_data import region_data_by_content_pack, vanilla_connections_to_remove_by_content_pack
+
+
+def modify_regions_for_mods(current_regions_by_name: dict[str, RegionData], active_content_packs: Iterable[str]) -> None:
+    for content_pack in active_content_packs:
+        try:
+            region_data = region_data_by_content_pack[content_pack]
+        except KeyError:
+            continue
+
+        merge_mod_regions(current_regions_by_name, region_data)
+
+
+def merge_mod_regions(current_regions_by_name: dict[str, RegionData], mod_region_data: ModRegionsData) -> None:
+    for new_region in mod_region_data.regions:
+        region_name = new_region.name
+        try:
+            current_region = current_regions_by_name[region_name]
+        except KeyError:
+            current_regions_by_name[region_name] = new_region
+            continue
+
+        current_regions_by_name[region_name] = current_region.merge_with(new_region)
+
+
+def modify_connections_for_mods(connections: dict[str, ConnectionData], active_mods: Iterable[str]) -> None:
+    for active_mod in active_mods:
+        try:
+            region_data = region_data_by_content_pack[active_mod]
+        except KeyError:
+            continue
+
+        try:
+            vanilla_connections_to_remove = vanilla_connections_to_remove_by_content_pack[active_mod]
+            for connection_name in vanilla_connections_to_remove:
+                connections.pop(connection_name)
+        except KeyError:
+            pass
+
+        connections.update({
+            connection.name: connection
+            for connection in region_data.connections
+        })