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Minor optimization to hot minimap procs #12747

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Minor optimization to hot minimap procs #12747

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f7d9e0d
perf optimization
Jul 27, 2026
e50758c
you too
Jul 27, 2026
595aa20
removes comment. not relevant
Jul 27, 2026
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23 changes: 13 additions & 10 deletions code/controllers/subsystem/minimap.dm
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Original file line number Diff line number Diff line change
Expand Up @@ -624,18 +624,20 @@ SUBSYSTEM_DEF(minimaps)
*/
/image/proc/minimap_on_move(atom/movable/source, oldloc)
SIGNAL_HANDLER
if(isturf(source.loc))
pixel_x = MINIMAP_PIXEL_FROM_WORLD(source.x) + SSminimaps.minimaps_by_z["[source.z]"].x_offset
pixel_y = MINIMAP_PIXEL_FROM_WORLD(source.y) + SSminimaps.minimaps_by_z["[source.z]"].y_offset
if(source.z)

@boskoramen boskoramen Jul 27, 2026

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this is a neat way to check if an atom is on a turf, might be worth exporting this check to a helper define

var/datum/hud_displays/minimap = SSminimaps.minimaps_by_z["[source.z]"]
pixel_x = MINIMAP_PIXEL_FROM_WORLD(source.x) + minimap.x_offset
pixel_y = MINIMAP_PIXEL_FROM_WORLD(source.y) + minimap.y_offset
return

var/atom/movable/movable_loc = source.loc
source.override_minimap_tracking(source.loc)
pixel_x = MINIMAP_PIXEL_FROM_WORLD(movable_loc.x) + SSminimaps.minimaps_by_z["[movable_loc.z]"].x_offset
pixel_y = MINIMAP_PIXEL_FROM_WORLD(movable_loc.y) + SSminimaps.minimaps_by_z["[movable_loc.z]"].y_offset
var/atom/movable/movable_loc = source.loc // How does none of this just crash if the loc isn't on map?
source.override_minimap_tracking()
var/datum/hud_displays/minimap = SSminimaps.minimaps_by_z["[movable_loc.z]"]
pixel_x = MINIMAP_PIXEL_FROM_WORLD(movable_loc.x) + minimap.x_offset
pixel_y = MINIMAP_PIXEL_FROM_WORLD(movable_loc.y) + minimap.y_offset

///Used to handle minimap tracking inside other movables
/atom/movable/proc/override_minimap_tracking(atom/movable/loc)
/atom/movable/proc/override_minimap_tracking()
var/image/blip = SSminimaps.images_by_source[src]
blip.RegisterSignal(loc, COMSIG_MOVABLE_MOVED, TYPE_PROC_REF(/image, minimap_on_move))
RegisterSignal(loc, COMSIG_ATOM_EXITED, PROC_REF(cancel_override_minimap_tracking))
Expand All @@ -659,9 +661,10 @@ SUBSYSTEM_DEF(minimaps)
return
UnregisterSignal(source, list(COMSIG_PARENT_QDELETING, COMSIG_MOVABLE_Z_CHANGED))
var/turf/source_turf = get_turf(source)
var/datum/hud_displays/minimap = minimaps_by_z["[source_turf.z]"]
for(var/flag in GLOB.all_minimap_flags)
minimaps_by_z["[source_turf.z]"].images_assoc["[flag]"] -= source
minimaps_by_z["[source_turf.z]"].images_assoc["[flag]label"] -= source
minimap.images_assoc["[flag]"] -= source
minimap.images_assoc["[flag]label"] -= source
images_by_source -= source
removal_cbs[source].Invoke()
removal_cbs -= source
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