Редактирование: Guide to mapping (раздел)

== Multi-Z ==
{{Important
|Title=Disclaimer
|Note=For a much more in-depth and modern look on this section, please consult [https://hackmd.io/@tgstation/ry4-gbKH5#On-Multi-Z this section] of the <b>[https://hackmd.io/@tgstation/ry4-gbKH5 Mapping Reference Collection]</b>.
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|Color=Blue
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Multi-Z is a feature which allows a station map to have multiple Z-levels layered on top of each other, behaving as a single station with multiple floors. This feature is currently in use on the [[Tramstation]] and [[IceboxStation]] maps. A station's multiple levels can be bundled into one map file, or in several seperate files. The traits section of the map configuration json tells SS13 how to link the maps together. 

* If you are building station rooms on a lower Z level, ensure that a floor of some type is mapped on the Z level above the room. You can check the coordinates in the mapping editor to ensure you floor over the correct dimensions of the room. When running the server in Dream Daemon to test the map, you can go to the Debug tab and hit show debug verbs, go to Mapping tab and hit Show ATs, if the list is empty, you are good. 

* Earlier versions of multi-z did not require a baseturf to be defined under each z-level's traits in the config json. Each level must now have a baseturf set.

* The maploader '''will not''' load and link a map file without areas or turfs defined. An empty space (nothing but baseturf) map will runtime. If you are adding a Z-level to an existing map, be aware of this.

* SS13 will cache a map's configuration json file in data\next_map.json. If you alter a map's configuration json locally, you must also clear this file by using the change-map verb in game, deleting the file, or replacing it with your updated json file. 

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