Leshana 1b8451bc9a Converts /datum/gas_mixture/var/graphic to a lazy list. ...

* The vast majority of gas mixtures never use their `graphic` list.  Prime candidate for making a lazy init list.
* While we are here, add nullchecks to ZAS's use of the graphic list a bit.  /turf/update_graphics was technically already null safe, but its even better to not bother calling it at all right?

2017-06-10 10:13:55 -04:00

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xgm_gas_data.dm

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xgm_gas_mixture.dm

Converts /datum/gas_mixture/var/graphic to a lazy list.

2017-06-10 10:13:55 -04:00