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GER: Only consider usable exits when calculating dead-ends (#4701)

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* Only consider usable exits when calculating whether or not a region is a dead-end

* Update EntranceLookup unit tests

* Add new dead-end test

* Add additional explanation to the new test

* minor formatting tweak

based on review feedback

---------

Co-authored-by: CodeGorilla <3672561+Ars-Ignis@users.noreply.github.com>
This commit is contained in:
CodeGorilla
2025-04-05 08:21:38 -05:00
committed by GitHub
parent 1749e22569
commit cd4da36863
2 changed files with 36 additions and 5 deletions
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32
test/general/test_entrance_rando.py
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@@ -65,8 +65,10 @@ class TestEntranceLookup(unittest.TestCase):
"""tests that get_targets shuffles targets between groups when requested"""
multiworld = generate_test_multiworld()
generate_disconnected_region_grid(multiworld, 5)
exits_set = set([ex for region in multiworld.get_regions(1)
for ex in region.exits if not ex.connected_region])
lookup = EntranceLookup(multiworld.worlds[1].random, coupled=True)
lookup = EntranceLookup(multiworld.worlds[1].random, coupled=True, usable_exits=exits_set)
er_targets = [entrance for region in multiworld.get_regions(1)
for entrance in region.entrances if not entrance.parent_region]
for entrance in er_targets:
@@ -86,8 +88,10 @@ class TestEntranceLookup(unittest.TestCase):
"""tests that get_targets does not shuffle targets between groups when requested"""
multiworld = generate_test_multiworld()
generate_disconnected_region_grid(multiworld, 5)
exits_set = set([ex for region in multiworld.get_regions(1)
for ex in region.exits if not ex.connected_region])
lookup = EntranceLookup(multiworld.worlds[1].random, coupled=True)
lookup = EntranceLookup(multiworld.worlds[1].random, coupled=True, usable_exits=exits_set)
er_targets = [entrance for region in multiworld.get_regions(1)
for entrance in region.entrances if not entrance.parent_region]
for entrance in er_targets:
@@ -99,6 +103,30 @@ class TestEntranceLookup(unittest.TestCase):
group_order = [prev := group.randomization_group for group in retrieved_targets if prev != group.randomization_group]
self.assertEqual([ERTestGroups.TOP, ERTestGroups.BOTTOM], group_order)
def test_selective_dead_ends(self):
"""test that entrances that EntranceLookup has not been told to consider are ignored when finding dead-ends"""
multiworld = generate_test_multiworld()
generate_disconnected_region_grid(multiworld, 5)
exits_set = set([ex for region in multiworld.get_regions(1)
for ex in region.exits if not ex.connected_region
and ex.name != "region20_right" and ex.name != "region21_left"])
lookup = EntranceLookup(multiworld.worlds[1].random, coupled=True, usable_exits=exits_set)
er_targets = [entrance for region in multiworld.get_regions(1)
for entrance in region.entrances if not entrance.parent_region and
entrance.name != "region20_right" and entrance.name != "region21_left"]
for entrance in er_targets:
lookup.add(entrance)
# region 20 is the bottom left corner of the grid, and therefore only has a right entrance from region 21
# and a top entrance from region 15; since we've told lookup to ignore the right entrance from region 21,
# the top entrance from region 15 should be considered a dead-end
dead_end_region = multiworld.get_region("region20", 1)
for dead_end in dead_end_region.entrances:
if dead_end.name == "region20_top":
break
# there should be only this one dead-end
self.assertTrue(dead_end in lookup.dead_ends)
self.assertEqual(len(lookup.dead_ends), 1)
class TestBakeTargetGroupLookup(unittest.TestCase):
def test_lookup_generation(self):