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Aurora.3/code/modules/radiation/radiation.dm

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// Describes a point source of radiation. Created either in response to a pulse of radiation, or over an irradiated atom.
// Sources will decay over time, unless something is renewing their power!
/datum/radiation_source
var/turf/source_turf // Location of the radiation source.
var/rad_power // Strength of the radiation being emitted.
var/decay = TRUE // True for automatic decay. False if owner promises to handle it (i.e. supermatter)
var/respect_maint = FALSE // True for not affecting RAD_SHIELDED areas.
var/flat = FALSE // True for power falloff with distance.
var/range // Cached maximum range, used for quick checks against mobs.
/datum/radiation_source/New(source_turf, rad_power, decay = TRUE)
src.source_turf = source_turf
src.rad_power = rad_power
src.decay = decay
/datum/radiation_source/Destroy()
SSradiation.sources -= src
if(SSradiation.sources_assoc[src.source_turf] == src)
SSradiation.sources_assoc -= src.source_turf
src.source_turf = null
. = ..()
/datum/radiation_source/proc/update_rad_power(new_power = null)
if(new_power == null || new_power == rad_power)
return // No change
else if(new_power <= RADIATION_LOWER_LIMIT)
qdel(src) // Decayed to nothing
else
rad_power = new_power
if(!flat)
range = min(round(sqrt(rad_power / RADIATION_LOWER_LIMIT)), 31) // R = rad_power / dist**2 - Solve for dist
/turf/var/cached_rad_resistance = 0
/turf/proc/calc_rad_resistance()
cached_rad_resistance = 0
for(var/obj/O in src.contents)
if(!(O.rad_resistance_modifier <= 0) && O.density)
var/material/M = O.get_material()
if(!M) continue
cached_rad_resistance += (M.weight * O.rad_resistance_modifier) / RADIATION_MATERIAL_RESISTANCE_DIVISOR
// Looks like storing the contents length is meant to be a basic check if the cache is stale due to items enter/exiting. Better than nothing so I'm leaving it as is. ~Leshana
SSradiation.resistance_cache[src] = (length(contents) + 1)
/turf/simulated/wall/calc_rad_resistance()
SSradiation.resistance_cache[src] = (length(contents) + 1)
cached_rad_resistance = (density ? material.weight / RADIATION_MATERIAL_RESISTANCE_DIVISOR : 0)
/obj
var/rad_resistance_modifier = 1 // Allow overriding rad resistance
/**
* Retrieves the atom's current radiation level. By default, this will return `loc.get_rads()`.
*
* Returns integer.
*/
/atom/proc/get_rads()
if(loc)
return loc.get_rads()
return 0
/turf/get_rads()
return SSradiation.get_rads_at_turf(src)
/**
* Called when radiation affects the atom.
*
* **Parameters**:
* - `severity` - The amount of radiation being applied. Also see `RAD_LEVEL_*`.
*
* Returns boolean
*/
/atom/proc/rad_act(severity)
return 1
/mob/living/rad_act(severity)
if(severity > RAD_LEVEL_LOW)
apply_damage(severity, DAMAGE_RADIATION, damage_flags = DAMAGE_FLAG_DISPERSED)
for(var/atom/I in src)
I.rad_act(severity)