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Core: Allow and require user-provided target name when splitting 1-way entrances for GER (#4746)

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* [Core][GER] Allow and require user-provided target name when splitting 1-way entrances

* Move target naming onto a parameter of disconnect_entrance_for_randomization
This commit is contained in:
BadMagic100
2025-03-22 12:58:35 -07:00
committed by GitHub
parent d78974ec59
commit 8891f07362
2 changed files with 28 additions and 8 deletions
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16
entrance_rando.py
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@@ -265,14 +265,19 @@ def bake_target_group_lookup(world: World, get_target_groups: Callable[[int], li
return { group: get_target_groups(group) for group in unique_groups }
def disconnect_entrance_for_randomization(entrance: Entrance, target_group: int | None = None) -> None:
def disconnect_entrance_for_randomization(entrance: Entrance, target_group: int | None = None,
one_way_target_name: str | None = None) -> None:
"""
Given an entrance in a "vanilla" region graph, splits that entrance to prepare it for randomization
in randomize_entrances. This should be done after setting the type and group of the entrance.
in randomize_entrances. This should be done after setting the type and group of the entrance. Because it attempts
to meet strict entrance naming requirements for coupled mode, this function may produce unintuitive results when
called only on a single entrance; it produces eventually-correct outputs only after calling it on all entrances.
:param entrance: The entrance which will be disconnected in preparation for randomization.
:param target_group: The group to assign to the created ER target. If not specified, the group from
the original entrance will be copied.
:param one_way_target_name: The name of the created ER target if `entrance` is one-way. This argument
is required for one-way entrances and is ignored otherwise.
"""
child_region = entrance.connected_region
parent_region = entrance.parent_region
@@ -287,8 +292,11 @@ def disconnect_entrance_for_randomization(entrance: Entrance, target_group: int
# targets in the child region will be created when the other direction edge is disconnected
target = parent_region.create_er_target(entrance.name)
else:
# for 1-ways, the child region needs a target and coupling/naming is not a concern
target = child_region.create_er_target(child_region.name)
# for 1-ways, the child region needs a target. naming is not a concern for coupling so we
# allow it to be user provided (and require it, to prevent an unhelpful assumed name in pairings)
if not one_way_target_name:
raise ValueError("Cannot disconnect a one-way entrance without a target name specified")
target = child_region.create_er_target(one_way_target_name)
target.randomization_type = entrance.randomization_type
target.randomization_group = target_group or entrance.randomization_group