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Yogstation/code/controllers/subsystem/lighting.dm
Cheridan 86c3d624c7 Merge pull request #24795 from MrStonedOne/patch-329
Lighting runs every two ticks.
2017-03-09 12:31:39 -06:00

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var/datum/controller/subsystem/lighting/SSlighting
#define STAGE_SOURCES 1
#define STAGE_CORNERS 2
#define STAGE_OVERLAYS 3
var/list/lighting_update_lights = list() // List of lighting sources queued for update.
var/list/lighting_update_corners = list() // List of lighting corners queued for update.
var/list/lighting_update_overlays = list() // List of lighting overlays queued for update.
/datum/controller/subsystem/lighting
name = "Lighting"
wait = 2
init_order = 1
priority = 35
flags = SS_TICKER
var/initialized = FALSE
var/list/currentrun_lights
var/list/currentrun_corners
var/list/currentrun_overlays
var/resuming_stage = 0
/datum/controller/subsystem/lighting/New()
NEW_SS_GLOBAL(SSlighting)
/datum/controller/subsystem/lighting/stat_entry()
..("L:[lighting_update_lights.len]|C:[lighting_update_corners.len]|O:[lighting_update_overlays.len]")
/datum/controller/subsystem/lighting/Initialize(timeofday)
if (config.starlight)
for(var/area/A in world)
if (A.dynamic_lighting == DYNAMIC_LIGHTING_IFSTARLIGHT)
A.luminosity = 0
create_all_lighting_overlays()
initialized = TRUE
..()
/datum/controller/subsystem/lighting/fire(resumed=FALSE)
if (resuming_stage == 0 || !resumed)
currentrun_lights = lighting_update_lights
lighting_update_lights = list()
resuming_stage = STAGE_SOURCES
while (currentrun_lights.len)
var/datum/light_source/L = currentrun_lights[currentrun_lights.len]
currentrun_lights.len--
if (L.check() || L.destroyed || L.force_update)
L.remove_lum()
if (!L.destroyed)
L.apply_lum()
else if (L.vis_update) //We smartly update only tiles that became (in) visible to use.
L.smart_vis_update()
L.vis_update = FALSE
L.force_update = FALSE
L.needs_update = FALSE
if (MC_TICK_CHECK)
return
if (resuming_stage == STAGE_SOURCES || !resumed)
currentrun_corners = lighting_update_corners
lighting_update_corners = list()
resuming_stage = STAGE_CORNERS
while (currentrun_corners.len)
var/datum/lighting_corner/C = currentrun_corners[currentrun_corners.len]
currentrun_corners.len--
C.update_overlays()
C.needs_update = FALSE
if (MC_TICK_CHECK)
return
if (resuming_stage == STAGE_CORNERS || !resumed)
currentrun_overlays = lighting_update_overlays
lighting_update_overlays = list()
resuming_stage = STAGE_OVERLAYS
while (currentrun_overlays.len)
var/atom/movable/lighting_overlay/O = currentrun_overlays[currentrun_overlays.len]
currentrun_overlays.len--
if (QDELETED(O))
continue
O.update_overlay()
O.needs_update = FALSE
if (MC_TICK_CHECK)
return
resuming_stage = 0
/datum/controller/subsystem/lighting/Recover()
initialized = SSlighting.initialized
..()
#undef STAGE_SOURCES
#undef STAGE_CORNERS
#undef STAGE_OVERLAYS