Files
Bubberstation/code/LINDA/LINDA_fire.dm
MrStonedOne bd6d51a0b5 Massive MC and subsystem rewrite
MC:
	No longer tracks a subsystem's cpu usage. This was basically worthless and took up space on the stat panel
	Can calculate wait down to a tenth of a decisecond to make it fps/world.ticklag agnostic
	Now allows subsystems to have a dynamic wait, that is based on a ratio of how long that subsystem has been taking to process(cost). (This system allows for upper and lower bounds, and an changeable cost delta for each subsystem)
	MC can now be told to init a zlevel

All Subsystems:
	Stats panel now allows child subsystems to pass it a message to add to its stats entry. All subsystems have been moved over to this system - This should cut down on subsystems having to copy and paste the stats proc in order to add to it
	All subsystems now properlly handle being given a zlevel in their init proc

Subsystem changes:
	Air:
		Added air to the dynamic wait subsystem. upper bound: 50, lower bound: 5, cost delta: 3 times process cost
		Air now fires 4 times faster when it can do so without lagging things up
		Pipenet has been merged into air
		Atmos machinery now processes with process_atmos(), ticked by air, not machinery.
		Hotspots (the fire object) are now object pooled
	Pipenet:
		Deleted, added to air
	Machinery:
		Moved all atmos calcualtions in all objects's process() to process_atmos().
	Lighting:
		Added Lighting to the dynamic wait subsystem. upper bound: 20, lower bound: 5, cost delta: 3 times process cost
	Ticker:
		Fixed ticker not updating the lobby panel when game start delayed
		Fixed the game start timer updating rapidly from queued fires when game start delay is removed
	Garbage/qdel:
		qdel will now limit its process time to 2ds a fire.
		qdel can now be given hints as a return to Destroy() as to what should be done with the object.
		the options are:
			queue: (default) this is the normal behavior.
			letmelive: old default to non-null/zero. does nothing with the object
			iwillgc: functionally the same as above, mainly to let people working with objects know that the object will not be queued for GC checking
			harddel: this will queue the object to be deleted without storing a soft reference, mainly to save locate() processing time.
			harddel_now: this will del() the object. To allow for a clean removal of every del() not in qdel
		All objects have been updated to the new system, harddel and iwillgc was not added to any new objects.
		Fixed some objects not GCing because they didn't properlly clear references in Destory()
		Fixed some objects getting qdel'ed preventing other objects from getting GCed because they did not null their reference to that object.
2015-04-29 02:00:25 -07:00

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/atom/proc/temperature_expose(datum/gas_mixture/air, exposed_temperature, exposed_volume)
return null
/turf/proc/hotspot_expose(exposed_temperature, exposed_volume, soh = 0)
return
/turf/simulated/hotspot_expose(exposed_temperature, exposed_volume, soh)
var/datum/gas_mixture/air_contents = return_air()
if(!air_contents)
return 0
if(active_hotspot)
if(soh)
if(air_contents.toxins > 0.5 && air_contents.oxygen > 0.5)
if(active_hotspot.temperature < exposed_temperature)
active_hotspot.temperature = exposed_temperature
if(active_hotspot.volume < exposed_volume)
active_hotspot.volume = exposed_volume
return 1
var/igniting = 0
if((exposed_temperature > PLASMA_MINIMUM_BURN_TEMPERATURE) && air_contents.toxins > 0.5)
igniting = 1
if(igniting)
if(air_contents.oxygen < 0.5 || air_contents.toxins < 0.5)
return 0
active_hotspot = PoolOrNew(/obj/effect/hotspot, src)
active_hotspot.temperature = exposed_temperature
active_hotspot.volume = exposed_volume
active_hotspot.just_spawned = (current_cycle < SSair.times_fired)
//remove just_spawned protection if no longer processing this cell
SSair.add_to_active(src, 0)
return igniting
//This is the icon for fire on turfs, also helps for nurturing small fires until they are full tile
/obj/effect/hotspot
anchored = 1
mouse_opacity = 0
unacidable = 1//So you can't melt fire with acid.
icon = 'icons/effects/fire.dmi'
icon_state = "1"
layer = TURF_LAYER
luminosity = 3
var/volume = 125
var/temperature = FIRE_MINIMUM_TEMPERATURE_TO_EXIST
var/just_spawned = 1
var/bypassing = 0
/obj/effect/hotspot/New()
..()
SSair.hotspots += src
perform_exposure()
/obj/effect/hotspot/proc/perform_exposure()
var/turf/simulated/location = loc
if(!istype(location) || !(location.air)) return 0
if(volume > CELL_VOLUME*0.95) bypassing = 1
else bypassing = 0
if(bypassing)
if(!just_spawned)
volume = location.air.fuel_burnt*FIRE_GROWTH_RATE
temperature = location.air.temperature
else
var/datum/gas_mixture/affected = location.air.remove_ratio(volume/location.air.volume)
affected.temperature = temperature
affected.react()
temperature = affected.temperature
volume = affected.fuel_burnt*FIRE_GROWTH_RATE
location.assume_air(affected)
for(var/atom/item in loc)
if(item && item != src) // It's possible that the item is deleted in temperature_expose
item.fire_act(null, temperature, volume)
return 0
/obj/effect/hotspot/process()
if(just_spawned)
just_spawned = 0
return 0
var/turf/simulated/location = loc
if(!istype(location))
Kill()
return
if(location.excited_group)
location.excited_group.reset_cooldowns()
if((temperature < FIRE_MINIMUM_TEMPERATURE_TO_EXIST) || (volume <= 1))
Kill()
return
if(!(location.air) || location.air.toxins < 0.5 || location.air.oxygen < 0.5)
Kill()
return
perform_exposure()
if(location.wet) location.wet = 0
if(bypassing)
icon_state = "3"
location.burn_tile()
//Possible spread due to radiated heat
if(location.air.temperature > FIRE_MINIMUM_TEMPERATURE_TO_SPREAD)
var/radiated_temperature = location.air.temperature*FIRE_SPREAD_RADIOSITY_SCALE
for(var/direction in cardinal)
if(!(location.atmos_adjacent_turfs & direction))
continue
var/turf/simulated/T = get_step(src, direction)
if(istype(T) && T.active_hotspot)
T.hotspot_expose(radiated_temperature, CELL_VOLUME/4)
else
if(volume > CELL_VOLUME*0.4)
icon_state = "2"
else
icon_state = "1"
if(temperature > location.max_fire_temperature_sustained)
location.max_fire_temperature_sustained = temperature
if(location.heat_capacity && temperature > location.heat_capacity)
location.to_be_destroyed = 1
/*if(prob(25))
location.ReplaceWithSpace()
return 0*/
return 1
// Garbage collect itself by nulling reference to it
/obj/effect/hotspot/proc/Kill()
PlaceInPool(src)
/obj/effect/hotspot/Destroy()
SSair.hotspots -= src
DestroyTurf()
if(istype(loc, /turf/simulated))
var/turf/simulated/T = loc
if(T.active_hotspot == src)
T.active_hotspot = null
loc = null
return QDEL_HINT_PUTINPOOL
/obj/effect/hotspot/proc/DestroyTurf()
if(istype(loc, /turf/simulated))
var/turf/simulated/T = loc
if(T.to_be_destroyed)
var/chance_of_deletion
if (T.heat_capacity) //beware of division by zero
chance_of_deletion = T.max_fire_temperature_sustained / T.heat_capacity * 8 //there is no problem with prob(23456), min() was redundant --rastaf0
else
chance_of_deletion = 100
if(prob(chance_of_deletion))
T.ChangeTurf(/turf/space)
else
T.to_be_destroyed = 0
T.max_fire_temperature_sustained = 0
/obj/effect/hotspot/New()
..()
dir = pick(cardinal)
air_update_turf()
return
/obj/effect/hotspot/Crossed(mob/living/L)
..()
if(isliving(L))
L.fire_act()