Tad Hardesty 827c4b3f99 Replace hardcoded z-level numbers with a trait system (#34090) ...

* Add basic structure of z-level traits

* Restore space transitions and add z-level debug verb

* Restore proper ruin spawning and transit level creation

* Replace station_z_levels and related checks with traits

* Eliminate more uses of ZLEVEL_{STATION_PRIMARY,LAVALAND}

2018-01-12 09:05:49 +13:00

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space_level.dm

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space_transition.dm

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traits.dm

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zlevel_manager.dm

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