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authorY. Wang <y5nw@protonmail.com>2024-09-19 18:39:19 +0000
committerorwell <orwell@bleipb.de>2024-11-09 22:09:00 +0100
commit66868e2eefe97b7a6d35fa3fecc895b9c7bbc4cc (patch)
tree5fdad135e06648875d9a050852c98e215192531d /modpack.conf
parent86e80e4cfb0d7017ff962e40ab99a4ab6addf8f2 (diff)
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Address wagon aliasing issues
As it turns out, not fully testing new features is not necessarily a good idea ... This patch follows up 1F616EMO's patch by * Making get_wagon_prototype return the resolved alias, * Handling recursive wagon alises (in particular, loops), and * Adding (partial) unittest for the wagon aliasing system. [v2]: The testcases are complemented a bit more to cover situations where the alias resolution system should return nil. [v2]: This patch should hopefully also warn about not spawning wagons. Note that this only warns about the missing wagon entity and does _not_ actually fix the issue. How to test: * In a world with both advtrains_train_subway and advtrains_train_japan enabled, place a subway wagon, a Japanese engine, and a regular Japanese wagon. * Add the test mod to the world; do NOT remove advtrains_train_japan. * Restart the world. Notice that the Japanese wagons still appear as Japanese wagons despite being aliased to subway wagons. * Restart the world without the advtrains_train_japan mod. Notice that the engine appears as the subway wagon while the regular Japanese wagon appears as the wagon placeholder. [v2]: Also note that the warning message about the missing wagon prototype still mentions the regular Japanese wagon. * Restart the world again with the advtrains_train_japan mod. Notice that both type of Japanese wagons reappear as Japanese wagons. * Observe that unittests work. Test mod: advtrains.register_wagon_alias("advtrains:engine_japan", "advtrains:subway_wagon") advtrains.register_wagon_alias("advtrains:wagon_japan", "advtrains:wagon_japan")
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