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Yogstation/code/controllers/subsystem/lighting.dm
2017-03-15 18:12:56 -04:00

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var/datum/controller/subsystem/lighting/SSlighting
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_objects = list() // List of lighting objects queued for update.
/datum/controller/subsystem/lighting
name = "Lighting"
wait = 2
init_order = -20
priority = 35
flags = SS_TICKER
var/initialized = FALSE
/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_objects.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_objects()
initialized = TRUE
fire(FALSE, TRUE)
..()
/datum/controller/subsystem/lighting/fire(resumed, init_tick_checks)
var/real_tick_limit = CURRENT_TICKLIMIT
CURRENT_TICKLIMIT = (real_tick_limit - world.tick_usage)/3
var/i = 0
for (i in 1 to lighting_update_lights.len)
var/datum/light_source/L = lighting_update_lights[i]
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(init_tick_checks)
CHECK_TICK
else if (MC_TICK_CHECK)
break
if (i)
lighting_update_lights.Cut(1, i+1)
i = 0
CURRENT_TICKLIMIT = ((real_tick_limit - world.tick_usage)/2)+world.tick_usage
for (i in 1 to lighting_update_corners.len)
var/datum/lighting_corner/C = lighting_update_corners[i]
C.update_objects()
C.needs_update = FALSE
if(init_tick_checks)
CHECK_TICK
else if (MC_TICK_CHECK)
break
if (i)
lighting_update_corners.Cut(1, i+1)
i = 0
CURRENT_TICKLIMIT = real_tick_limit
for (i in 1 to lighting_update_objects.len)
var/atom/movable/lighting_object/O = lighting_update_objects[i]
if (QDELETED(O))
continue
O.update()
O.needs_update = FALSE
if(init_tick_checks)
CHECK_TICK
else if (MC_TICK_CHECK)
break
if (i)
lighting_update_objects.Cut(1, i+1)
/datum/controller/subsystem/lighting/Recover()
initialized = SSlighting.initialized
..()