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[512] Makes gas mouse transparent (#32569)

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* Makes gas mouse transparent

* readability cleanup

* future proofing
This commit is contained in:
Emmett Gaines
2017-11-14 18:46:34 -05:00
committed by CitadelStationBot
parent 809951c56c
commit 9b75113631
1 changed files with 17 additions and 0 deletions
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code/modules/atmospherics/environmental/LINDA_turf_tile.dm
+17
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@@ -97,7 +97,23 @@
/turf/open/proc/update_visuals()
var/list/new_overlay_types = tile_graphic()
var/list/atmos_overlay_types = src.atmos_overlay_types // Cache for free performance
#if DM_VERSION >= 513
#warning 512 is stable now for sure, remove the old code
#endif
#if DM_VERSION >= 512
if (atmos_overlay_types)
for(var/overlay in atmos_overlay_types-new_overlay_types) //doesn't remove overlays that would only be added
vis_contents -= overlay
if (new_overlay_types.len)
if (atmos_overlay_types)
vis_contents += new_overlay_types - atmos_overlay_types //don't add overlays that already exist
else
vis_contents += new_overlay_types
#else
if (atmos_overlay_types)
for(var/overlay in atmos_overlay_types-new_overlay_types) //doesn't remove overlays that would only be added
cut_overlay(overlay)
@@ -107,6 +123,7 @@
add_overlay(new_overlay_types - atmos_overlay_types) //don't add overlays that already exist
else
add_overlay(new_overlay_types)
#endif
UNSETEMPTY(new_overlay_types)
atmos_overlay_types = new_overlay_types