Merge branch 'master' of https://github.com/PolarisSS13/Polaris into polaris-sync-2017-06-01

# Conflicts:
#	code/game/objects/structures/crates_lockers/closets/secure/security.dm
#	code/modules/multiz/movement.dm
#	code/modules/projectiles/ammunition/magazines.dm

code/controllers/Processes/radiation.dm

@@ -0,0 +1,56 @@
+/datum/controller/process/radiation
+	var/repository/radiation/linked = null
+
+/datum/controller/process/radiation/setup()
+	name = "radiation controller"
+	schedule_interval = 20 // every 2 seconds
+	linked = radiation_repository
+
+/datum/controller/process/radiation/doWork()
+	sources_decay()
+	cache_expires()
+	irradiate_targets()
+
+// Step 1 - Sources Decay
+/datum/controller/process/radiation/proc/sources_decay()
+	var/list/sources = linked.sources
+	for(var/thing in sources)
+		if(deleted(thing))
+			sources.Remove(thing)
+			continue
+		var/datum/radiation_source/S = thing
+		if(S.decay)
+			S.update_rad_power(S.rad_power - config.radiation_decay_rate)
+		if(S.rad_power <= config.radiation_lower_limit)
+			sources.Remove(S)
+		SCHECK // This scheck probably just wastes resources, but better safe than sorry in this case.
+
+// Step 2 - Cache Expires
+/datum/controller/process/radiation/proc/cache_expires()
+	var/list/resistance_cache = linked.resistance_cache
+	for(var/thing in resistance_cache)
+		if(deleted(thing))
+			resistance_cache.Remove(thing)
+			continue
+		var/turf/T = thing
+		if((length(T.contents) + 1) != resistance_cache[T])
+			resistance_cache.Remove(T) // If its stale REMOVE it! It will get added if its needed.
+		SCHECK
+
+	// Step 3 - Registered irradiatable things are checked for radiation
+/datum/controller/process/radiation/proc/irradiate_targets()
+	var/list/registered_listeners = living_mob_list // For now just use this. Nothing else is interested anyway.
+	if(length(linked.sources) > 0)
+		for(var/thing in registered_listeners)
+			if(deleted(thing))
+				continue
+			var/atom/A = thing
+			var/turf/T = get_turf(thing)
+			var/rads = linked.get_rads_at_turf(T)
+			if(rads)
+				A.rad_act(rads)
+		SCHECK
+
+/datum/controller/process/radiation/statProcess()
+	..()
+	stat(null, "[linked.sources.len] sources, [linked.resistance_cache.len] cached turfs")

code/controllers/configuration.dm

@@ -220,6 +220,10 @@ var/list/gamemode_cache = list()
 
 	var/show_human_death_message = 1
 
+	var/radiation_decay_rate = 1 //How much radiation is reduced by each tick
+	var/radiation_resistance_multiplier = 6.5
+	var/radiation_lower_limit = 0.35 //If the radiation level for a turf would be below this, ignore it.
+
 /datum/configuration/New()
 	var/list/L = typesof(/datum/game_mode) - /datum/game_mode
 	for (var/T in L)
@@ -720,6 +724,9 @@ var/list/gamemode_cache = list()
 					if(values.len > 0)
 						language_prefixes = values
 
+				if("radiation_lower_limit")
+					radiation_lower_limit = text2num(value)
+
 				else
 					log_misc("Unknown setting in configuration: '[name]'")