Merge remote-tracking branch 'refs/remotes/PolarisSS13/master' into AcesFixesThingses

code/ATMOSPHERICS/components/binary_devices/binary_atmos_base.dm

@@ -42,7 +42,7 @@ obj/machinery/atmospherics/binary
 		return null
 
 	Destroy()
-		loc = null
+		. = ..()
 
 		if(node1)
 			node1.disconnect(src)
@@ -54,8 +54,6 @@ obj/machinery/atmospherics/binary
 		node1 = null
 		node2 = null
 
-		..()
-
 	initialize()
 		if(node1 && node2) return
 

code/ATMOSPHERICS/components/binary_devices/pipeturbine.dm

@@ -36,7 +36,7 @@
 				initialize_directions = NORTH|SOUTH
 
 	Destroy()
-		loc = null
+		. = ..()
 
 		if(node1)
 			node1.disconnect(src)
@@ -48,8 +48,6 @@
 		node1 = null
 		node2 = null
 
-		..()
-
 	process()
 		..()
 		if(anchored && !(stat&BROKEN))

code/ATMOSPHERICS/components/omni_devices/filter.dm

@@ -28,7 +28,7 @@
 	input = null
 	output = null
 	filters.Cut()
-	..()
+	return ..()
 
 /obj/machinery/atmospherics/omni/filter/sort_ports()
 	for(var/datum/omni_port/P in ports)

code/ATMOSPHERICS/components/portables_connector.dm

@@ -61,7 +61,7 @@
 	return null
 
 /obj/machinery/atmospherics/portables_connector/Destroy()
-	loc = null
+	. = ..()
 
 	if(connected_device)
 		connected_device.disconnect()
@@ -72,8 +72,6 @@
 
 	node = null
 
-	..()
-
 /obj/machinery/atmospherics/portables_connector/initialize()
 	if(node) return
 

code/ATMOSPHERICS/components/trinary_devices/trinary_base.dm

@@ -51,7 +51,7 @@ obj/machinery/atmospherics/trinary
 		return null
 
 	Destroy()
-		loc = null
+		. = ..()
 
 		if(node1)
 			node1.disconnect(src)
@@ -67,8 +67,6 @@ obj/machinery/atmospherics/trinary
 		node2 = null
 		node3 = null
 
-		..()
-
 	initialize()
 		if(node1 && node2 && node3) return
 

code/ATMOSPHERICS/components/tvalve.dm

@@ -100,7 +100,7 @@
 	return null
 
 /obj/machinery/atmospherics/tvalve/Destroy()
-	loc = null
+	. = ..()
 
 	if(node1)
 		node1.disconnect(src)
@@ -116,8 +116,6 @@
 	node2 = null
 	node3 = null
 
-	..()
-
 /obj/machinery/atmospherics/tvalve/proc/go_to_side()
 
 	if(state) return 0

code/ATMOSPHERICS/components/unary/unary_base.dm

@@ -31,7 +31,7 @@
 		return null
 
 	Destroy()
-		loc = null
+		. = ..()
 
 		if(node)
 			node.disconnect(src)
@@ -39,8 +39,6 @@
 
 		node = null
 
-		..()
-
 	initialize()
 		if(node) return
 

code/ATMOSPHERICS/components/unary/vent_pump.dm

@@ -80,7 +80,10 @@
 
 /obj/machinery/atmospherics/unary/vent_pump/Destroy()
 	unregister_radio(src, frequency)
-	..()
+	if(initial_loc)
+		initial_loc.air_vent_info -= id_tag
+		initial_loc.air_vent_names -= id_tag
+	return ..()
 
 /obj/machinery/atmospherics/unary/vent_pump/high_volume
 	name = "Large Air Vent"
@@ -414,13 +417,6 @@
 		new /obj/item/pipe(loc, make_from=src)
 		qdel(src)
 
-/obj/machinery/atmospherics/unary/vent_pump/Destroy()
-	if(initial_loc)
-		initial_loc.air_vent_info -= id_tag
-		initial_loc.air_vent_names -= id_tag
-	..()
-	return
-
 #undef DEFAULT_PRESSURE_DELTA
 
 #undef EXTERNAL_PRESSURE_BOUND

code/ATMOSPHERICS/components/unary/vent_scrubber.dm

@@ -44,8 +44,10 @@
 
 /obj/machinery/atmospherics/unary/vent_scrubber/Destroy()
 	unregister_radio(src, frequency)
-	..()
-
+	if(initial_loc)
+		initial_loc.air_scrub_info -= id_tag
+		initial_loc.air_scrub_names -= id_tag
+	return ..()
 
 /obj/machinery/atmospherics/unary/vent_scrubber/update_icon(var/safety = 0)
 	if(!check_icon_cache())
@@ -285,10 +287,3 @@
 		user << "A small gauge in the corner reads [round(last_flow_rate, 0.1)] L/s; [round(last_power_draw)] W"
 	else
 		user << "You are too far away to read the gauge."
-
-/obj/machinery/atmospherics/unary/vent_scrubber/Destroy()
-	if(initial_loc)
-		initial_loc.air_scrub_info -= id_tag
-		initial_loc.air_scrub_names -= id_tag
-	..()
-	return

code/ATMOSPHERICS/components/valve.dm

@@ -72,7 +72,7 @@
 	return null
 
 /obj/machinery/atmospherics/valve/Destroy()
-	loc = null
+	. = ..()
 
 	if(node1)
 		node1.disconnect(src)
@@ -84,8 +84,6 @@
 	node1 = null
 	node2 = null
 
-	..()
-
 /obj/machinery/atmospherics/valve/proc/open()
 	if(open) return 0
 

code/ATMOSPHERICS/datum_pipe_network.dm

@@ -16,6 +16,15 @@ datum/pipe_network
 
 		..()
 
+	Destroy()
+		pipe_networks -= src
+		for(var/datum/pipeline/line_member in line_members)
+			line_member.network = null
+		for(var/obj/machinery/atmospherics/normal_member in normal_members)
+			normal_member.reassign_network(src, null)
+		gases.Cut()  // Do not qdel the gases, we don't own them
+		return ..()
+
 	proc/process()
 		//Equalize gases amongst pipe if called for
 		if(update)

code/ATMOSPHERICS/datum_pipeline.dm

@@ -10,14 +10,14 @@ datum/pipeline
 	var/alert_pressure = 0
 
 	Destroy()
-		if(network)
-			qdel(network)
+		qdel_null(network)
 
 		if(air && air.volume)
 			temporarily_store_air()
-			qdel(air)
+		for(var/obj/machinery/atmospherics/pipe/P in members)
+			P.parent = null
 
-		..()
+		. = ..()
 
 	proc/process()//This use to be called called from the pipe networks
 

code/ATMOSPHERICS/pipes.dm

@@ -63,11 +63,11 @@
 	return parent.return_network(reference)
 
 /obj/machinery/atmospherics/pipe/Destroy()
-	qdel(parent)
+	qdel_null(parent)
 	if(air_temporary)
 		loc.assume_air(air_temporary)
 
-	..()
+	. = ..()
 
 /obj/machinery/atmospherics/pipe/attackby(var/obj/item/weapon/W as obj, var/mob/user as mob)
 	if (istype(src, /obj/machinery/atmospherics/pipe/tank))
@@ -227,10 +227,12 @@
 /obj/machinery/atmospherics/pipe/simple/Destroy()
 	if(node1)
 		node1.disconnect(src)
+		node1 = null
 	if(node2)
 		node2.disconnect(src)
+		node1 = null
 
-	..()
+	. = ..()
 
 /obj/machinery/atmospherics/pipe/simple/pipeline_expansion()
 	return list(node1, node2)
@@ -461,12 +463,15 @@
 /obj/machinery/atmospherics/pipe/manifold/Destroy()
 	if(node1)
 		node1.disconnect(src)
+		node1 = null
 	if(node2)
 		node2.disconnect(src)
+		node2 = null
 	if(node3)
 		node3.disconnect(src)
+		node3 = null
 
-	..()
+	. = ..()
 
 /obj/machinery/atmospherics/pipe/manifold/disconnect(obj/machinery/atmospherics/reference)
 	if(reference == node1)
@@ -705,14 +710,18 @@
 /obj/machinery/atmospherics/pipe/manifold4w/Destroy()
 	if(node1)
 		node1.disconnect(src)
+		node1 = null
 	if(node2)
 		node2.disconnect(src)
+		node2 = null
 	if(node3)
 		node3.disconnect(src)
+		node3 = null
 	if(node4)
 		node4.disconnect(src)
+		node4 = null
 
-	..()
+	. = ..()
 
 /obj/machinery/atmospherics/pipe/manifold4w/disconnect(obj/machinery/atmospherics/reference)
 	if(reference == node1)
@@ -967,8 +976,9 @@
 /obj/machinery/atmospherics/pipe/cap/Destroy()
 	if(node)
 		node.disconnect(src)
+		node = null
 
-	..()
+	. = ..()
 
 /obj/machinery/atmospherics/pipe/cap/disconnect(obj/machinery/atmospherics/reference)
 	if(reference == node)
@@ -1081,8 +1091,9 @@
 /obj/machinery/atmospherics/pipe/tank/Destroy()
 	if(node1)
 		node1.disconnect(src)
+		node1 = null
 
-	..()
+	. = ..()
 
 /obj/machinery/atmospherics/pipe/tank/pipeline_expansion()
 	return list(node1)
@@ -1251,8 +1262,9 @@
 /obj/machinery/atmospherics/pipe/vent/Destroy()
 	if(node1)
 		node1.disconnect(src)
+		node1 = null
 
-	..()
+	. = ..()
 
 /obj/machinery/atmospherics/pipe/vent/pipeline_expansion()
 	return list(node1)

code/ZAS/Phoron.dm

@@ -103,19 +103,23 @@ obj/var/phoronproof = 0
 
 	//Burn eyes if exposed.
 	if(vsc.plc.EYE_BURNS && (species.breath_type != "phoron"))
-		if(!head)
-			if(!wear_mask)
-				burn_eyes()
-			else
-				if(!(wear_mask.body_parts_covered & EYES))
-					burn_eyes()
-		else
-			if(!(head.body_parts_covered & EYES))
-				if(!wear_mask)
-					burn_eyes()
-				else
-					if(!(wear_mask.body_parts_covered & EYES))
-						burn_eyes()
+		var/burn_eyes = 1
+
+		//Check for protective glasses
+		if(glasses && (glasses.body_parts_covered & EYES) && (glasses.item_flags & AIRTIGHT))
+			burn_eyes = 0
+
+		//Check for protective maskwear
+		if(burn_eyes && wear_mask && (wear_mask.body_parts_covered & EYES) && (wear_mask.item_flags & AIRTIGHT))
+			burn_eyes = 0
+
+		//Check for protective helmets
+		if(burn_eyes && head && (head.body_parts_covered & EYES) && (head.item_flags & AIRTIGHT))
+			burn_eyes = 0
+
+		//If we still need to, burn their eyes
+		if(burn_eyes)
+			burn_eyes()
 
 	//Genetic Corruption
 	if(vsc.plc.GENETIC_CORRUPTION && (species.breath_type != "phoron"))

code/ZAS/Turf.dm

@@ -5,9 +5,9 @@
 /turf/var/datum/gas_mixture/air
 
 /turf/simulated/proc/update_graphic(list/graphic_add = null, list/graphic_remove = null)
-	if(graphic_add && graphic_add.len)
+	if(LAZYLEN(graphic_add))
 		overlays += graphic_add
-	if(graphic_remove && graphic_remove.len)
+	if(LAZYLEN(graphic_remove))
 		overlays -= graphic_remove
 
 /turf/proc/update_air_properties()

code/ZAS/Zone.dm

@@ -77,7 +77,8 @@ Class Procs:
 		fire_tiles.Add(T)
 		air_master.active_fire_zones |= src
 		if(fuel) fuel_objs += fuel
-	T.update_graphic(air.graphic)
+	if(air.graphic)
+		T.update_graphic(air.graphic)
 
 /zone/proc/remove(turf/simulated/T)
 #ifdef ZASDBG
@@ -92,7 +93,8 @@ Class Procs:
 		var/obj/effect/decal/cleanable/liquid_fuel/fuel = locate() in T
 		fuel_objs -= fuel
 	T.zone = null
-	T.update_graphic(graphic_remove = air.graphic)
+	if(air.graphic)
+		T.update_graphic(graphic_remove = air.graphic)
 	if(contents.len)
 		air.group_multiplier = contents.len
 	else
@@ -106,9 +108,11 @@ Class Procs:
 	ASSERT(!into.invalid)
 #endif
 	c_invalidate()
+	var/list/air_graphic = air.graphic // Cache for sanic speed
 	for(var/turf/simulated/T in contents)
 		into.add(T)
-		T.update_graphic(graphic_remove = air.graphic)
+		if(air_graphic)
+			T.update_graphic(graphic_remove = air_graphic)
 		#ifdef ZASDBG
 		T.dbg(merged)
 		#endif
@@ -131,8 +135,10 @@ Class Procs:
 /zone/proc/rebuild()
 	if(invalid) return //Short circuit for explosions where rebuild is called many times over.
 	c_invalidate()
+	var/list/air_graphic = air.graphic // Cache for sanic speed
 	for(var/turf/simulated/T in contents)
-		T.update_graphic(graphic_remove = air.graphic) //we need to remove the overlays so they're not doubled when the zone is rebuilt
+		if(air_graphic)
+			T.update_graphic(graphic_remove = air_graphic) //we need to remove the overlays so they're not doubled when the zone is rebuilt
 		//T.dbg(invalid_zone)
 		T.needs_air_update = 0 //Reset the marker so that it will be added to the list.
 		air_master.mark_for_update(T)

code/__defines/MC.dm

@@ -0,0 +1,69 @@
+#define MC_TICK_CHECK ( ( world.tick_usage > Master.current_ticklimit || src.state != SS_RUNNING ) ? pause() : 0 )
+
+// Used for splitting up your remaining time into phases, if you want to evenly divide it.
+#define MC_SPLIT_TICK_INIT(phase_count) var/original_tick_limit = Master.current_ticklimit; var/split_tick_phases = ##phase_count
+#define MC_SPLIT_TICK \
+    if(split_tick_phases > 1){\
+        Master.current_ticklimit = ((original_tick_limit - world.tick_usage) / split_tick_phases) + world.tick_usage;\
+        --split_tick_phases;\
+    } else {\
+        Master.current_ticklimit = original_tick_limit;\
+    }
+
+// Used to smooth out costs to try and avoid oscillation.
+#define MC_AVERAGE_FAST(average, current) (0.7 * (average) + 0.3 * (current))
+#define MC_AVERAGE(average, current) (0.8 * (average) + 0.2 * (current))
+#define MC_AVERAGE_SLOW(average, current) (0.9 * (average) + 0.1 * (current))
+#define NEW_SS_GLOBAL(varname) if(varname != src){if(istype(varname)){Recover();qdel(varname);}varname = src;}
+
+#define START_PROCESSING(Processor, Datum) if (!Datum.isprocessing) {Datum.isprocessing = 1;Processor.processing += Datum}
+#define STOP_PROCESSING(Processor, Datum) Datum.isprocessing = 0;Processor.processing -= Datum
+
+//SubSystem flags (Please design any new flags so that the default is off, to make adding flags to subsystems easier)
+
+//subsystem does not initialize.
+#define SS_NO_INIT 1
+
+//subsystem does not fire.
+//	(like can_fire = 0, but keeps it from getting added to the processing subsystems list)
+//	(Requires a MC restart to change)
+#define SS_NO_FIRE 2
+
+//subsystem only runs on spare cpu (after all non-background subsystems have ran that tick)
+//	SS_BACKGROUND has its own priority bracket
+#define SS_BACKGROUND 4
+
+//subsystem does not tick check, and should not run unless there is enough time (or its running behind (unless background))
+#define SS_NO_TICK_CHECK 8
+
+//Treat wait as a tick count, not DS, run every wait ticks.
+//	(also forces it to run first in the tick, above even SS_NO_TICK_CHECK subsystems)
+//	(implies all runlevels because of how it works)
+//	(overrides SS_BACKGROUND)
+//	This is designed for basically anything that works as a mini-mc (like SStimer)
+#define SS_TICKER 16
+
+//keep the subsystem's timing on point by firing early if it fired late last fire because of lag
+//	ie: if a 20ds subsystem fires say 5 ds late due to lag or what not, its next fire would be in 15ds, not 20ds.
+#define SS_KEEP_TIMING 32
+
+//Calculate its next fire after its fired.
+//	(IE: if a 5ds wait SS takes 2ds to run, its next fire should be 5ds away, not 3ds like it normally would be)
+//	This flag overrides SS_KEEP_TIMING
+#define SS_POST_FIRE_TIMING 64
+
+//SUBSYSTEM STATES
+#define SS_IDLE 0		//aint doing shit.
+#define SS_QUEUED 1		//queued to run
+#define SS_RUNNING 2	//actively running
+#define SS_PAUSED 3		//paused by mc_tick_check
+#define SS_SLEEPING 4	//fire() slept.
+#define SS_PAUSING 5 	//in the middle of pausing
+
+// Standard way to define a global subsystem, keep boilerplate organized here!
+#define SUBSYSTEM_DEF(X) var/datum/controller/subsystem/##X/SS##X;\
+/datum/controller/subsystem/##X/New(){\
+    NEW_SS_GLOBAL(SS##X);\
+    PreInit();\
+}\
+/datum/controller/subsystem/##X

code/__defines/math.dm

@@ -0,0 +1,10 @@
+//"fancy" math for calculating time in ms from tick_usage percentage and the length of ticks
+//percent_of_tick_used * (ticklag * 100(to convert to ms)) / 100(percent ratio)
+//collapsed to percent_of_tick_used * tick_lag
+#define TICK_DELTA_TO_MS(percent_of_tick_used) ((percent_of_tick_used) * world.tick_lag)
+#define TICK_USAGE_TO_MS(starting_tickusage) (TICK_DELTA_TO_MS(world.tick_usage-starting_tickusage))
+
+//time of day but automatically adjusts to the server going into the next day within the same round.
+//for when you need a reliable time number that doesn't depend on byond time.
+#define REALTIMEOFDAY (world.timeofday + (MIDNIGHT_ROLLOVER * MIDNIGHT_ROLLOVER_CHECK))
+#define MIDNIGHT_ROLLOVER_CHECK ( rollovercheck_last_timeofday != world.timeofday ? update_midnight_rollover() : midnight_rollovers )

code/__defines/misc.dm

@@ -196,3 +196,5 @@
 #define TSC_MORPH	"Morpheus"
 #define TSC_XION	"Xion" // Not really needed but consistancy I guess.
 #define TSC_GIL 	"Gilthari"
+
+#define MIDNIGHT_ROLLOVER		864000	//number of deciseconds in a day

code/__defines/qdel.dm

@@ -0,0 +1,17 @@
+//defines that give qdel hints. these can be given as a return in destory() or by calling
+
+#define QDEL_HINT_QUEUE         0 //qdel should queue the object for deletion.
+#define QDEL_HINT_LETMELIVE     1 //qdel should let the object live after calling destory.
+#define QDEL_HINT_IWILLGC       2 //functionally the same as the above. qdel should assume the object will gc on its own, and not check it.
+#define QDEL_HINT_HARDDEL       3 //qdel should assume this object won't gc, and queue a hard delete using a hard reference.
+#define QDEL_HINT_HARDDEL_NOW   4 //qdel should assume this object won't gc, and hard del it post haste.
+#define QDEL_HINT_FINDREFERENCE 5 //functionally identical to QDEL_HINT_QUEUE if TESTING is not enabled in _compiler_options.dm.
+								  //if TESTING is enabled, qdel will call this object's find_references() verb.
+//defines for the gc_destroyed var
+
+#define GC_QUEUED_FOR_QUEUING       -1
+#define GC_QUEUED_FOR_HARD_DEL      -2
+#define GC_CURRENTLY_BEING_QDELETED -3
+
+#define QDELETED(X) (!X || X.gc_destroyed)
+#define QDESTROYING(X) (!X || X.gc_destroyed == GC_CURRENTLY_BEING_QDELETED)

code/__defines/subsystems.dm

@@ -0,0 +1,13 @@
+
+// SS runlevels
+
+#define RUNLEVEL_INIT 0			// "Initialize Only" - Used for subsystems that should never be fired (Should also have SS_NO_FIRE set)
+#define RUNLEVEL_LOBBY 1		// Initial runlevel before setup.  Returns to here if setup fails.
+#define RUNLEVEL_SETUP 2		// While the gamemode setup is running.  I.E gameticker.setup()
+#define RUNLEVEL_GAME 4			// After successful game ticker setup, while the round is running.
+#define RUNLEVEL_POSTGAME 8		// When round completes but before reboot
+
+#define RUNLEVELS_DEFAULT (RUNLEVEL_SETUP | RUNLEVEL_GAME | RUNLEVEL_POSTGAME)
+
+var/global/list/runlevel_flags = list(RUNLEVEL_LOBBY, RUNLEVEL_SETUP, RUNLEVEL_GAME, RUNLEVEL_POSTGAME)
+#define RUNLEVEL_FLAG_TO_INDEX(flag) (log(2, flag) + 1)	// Convert from the runlevel bitfield constants to index in runlevel_flags list

code/__defines/tick.dm

@@ -0,0 +1,7 @@
+#define TICK_LIMIT_RUNNING 80
+#define TICK_LIMIT_TO_RUN 78
+#define TICK_LIMIT_MC 70
+#define TICK_LIMIT_MC_INIT_DEFAULT 98
+
+#define TICK_CHECK ( world.tick_usage > Master.current_ticklimit )
+#define CHECK_TICK if TICK_CHECK stoplag()

code/_helpers/game.dm

@@ -271,20 +271,22 @@
 	var/list/hear = dview(range,T,INVISIBILITY_MAXIMUM)
 	var/list/hearturfs = list()
 
-	for(var/atom/movable/AM in hear)
-		if(ismob(AM))
-			mobs += AM
-			hearturfs += AM.locs[1]
-		else if(isobj(AM))
-			objs += AM
-			hearturfs += AM.locs[1]
+	for(var/thing in hear)
+		if(istype(thing,/obj))
+			objs += thing
+			hearturfs += get_turf(thing)
+		else if(istype(thing,/mob))
+			mobs += thing
+			hearturfs += get_turf(thing)
 
 	//A list of every mob with a client
-	for(var/mob/M in player_list)
-		if(M.loc && M.locs[1] in hearturfs)
-			mobs |= M
+	for(var/mob in player_list)
+		if(get_turf(mob) in hearturfs)
+			mobs |= mob
+			continue
 
-		else if(M.stat == DEAD && !M.forbid_seeing_deadchat)
+		var/mob/M = mob
+		if(M.stat == DEAD && !M.forbid_seeing_deadchat)
 			switch(type)
 				if(1) //Audio messages use ghost_ears
 					if(M.is_preference_enabled(/datum/client_preference/ghost_ears))
@@ -294,9 +296,9 @@
 						mobs |= M
 
 	//For objects below the top level who still want to hear
-	for(var/obj/O in listening_objects)
-		if(O.loc && O.locs[1] in hearturfs)
-			objs |= O
+	for(var/obj in listening_objects)
+		if(get_turf(obj) in hearturfs)
+			objs |= obj
 
 	return list("mobs" = mobs, "objs" = objs)
 

code/_helpers/lists.dm

@@ -599,3 +599,66 @@ proc/dd_sortedTextList(list/incoming)
 	for(var/path in subtypesof(prototype))
 		L += new path()
 	return L
+
+//creates every subtype of prototype (excluding prototype) and adds it to list L as a type/instance pair.
+//if no list/L is provided, one is created.
+/proc/init_subtypes_assoc(prototype, list/L)
+	if(!istype(L))	L = list()
+	for(var/path in subtypesof(prototype))
+		L[path] = new path()
+	return L
+
+//Move a single element from position fromIndex within a list, to position toIndex
+//All elements in the range [1,toIndex) before the move will be before the pivot afterwards
+//All elements in the range [toIndex, L.len+1) before the move will be after the pivot afterwards
+//In other words, it's as if the range [fromIndex,toIndex) have been rotated using a <<< operation common to other languages.
+//fromIndex and toIndex must be in the range [1,L.len+1]
+//This will preserve associations ~Carnie
+/proc/moveElement(list/L, fromIndex, toIndex)
+	if(fromIndex == toIndex || fromIndex+1 == toIndex)	//no need to move
+		return
+	if(fromIndex > toIndex)
+		++fromIndex	//since a null will be inserted before fromIndex, the index needs to be nudged right by one
+
+	L.Insert(toIndex, null)
+	L.Swap(fromIndex, toIndex)
+	L.Cut(fromIndex, fromIndex+1)
+
+//Move elements [fromIndex,fromIndex+len) to [toIndex-len, toIndex)
+//Same as moveElement but for ranges of elements
+//This will preserve associations ~Carnie
+/proc/moveRange(list/L, fromIndex, toIndex, len=1)
+	var/distance = abs(toIndex - fromIndex)
+	if(len >= distance)	//there are more elements to be moved than the distance to be moved. Therefore the same result can be achieved (with fewer operations) by moving elements between where we are and where we are going. The result being, our range we are moving is shifted left or right by dist elements
+		if(fromIndex <= toIndex)
+			return	//no need to move
+		fromIndex += len	//we want to shift left instead of right
+
+		for(var/i=0, i<distance, ++i)
+			L.Insert(fromIndex, null)
+			L.Swap(fromIndex, toIndex)
+			L.Cut(toIndex, toIndex+1)
+	else
+		if(fromIndex > toIndex)
+			fromIndex += len
+
+		for(var/i=0, i<len, ++i)
+			L.Insert(toIndex, null)
+			L.Swap(fromIndex, toIndex)
+			L.Cut(fromIndex, fromIndex+1)
+
+//replaces reverseList ~Carnie
+/proc/reverseRange(list/L, start=1, end=0)
+	if(L.len)
+		start = start % L.len
+		end = end % (L.len+1)
+		if(start <= 0)
+			start += L.len
+		if(end <= 0)
+			end += L.len + 1
+
+		--end
+		while(start < end)
+			L.Swap(start++,end--)
+
+	return L

code/_helpers/mobs.dm

@@ -228,7 +228,7 @@ Proc for attack log creation, because really why not
 			. = 0
 			break
 
-		if(target_loc && (!target || target_loc != target.loc))
+		if(target_loc && (QDELETED(target) || target_loc != target.loc))
 			. = 0
 			break
 

code/_helpers/sorts/TimSort.dm

@@ -0,0 +1,17 @@
+//TimSort interface
+/proc/sortTim(list/L, cmp=/proc/cmp_numeric_asc, associative, fromIndex=1, toIndex=0)
+	if(L && L.len >= 2)
+		fromIndex = fromIndex % L.len
+		toIndex = toIndex % (L.len+1)
+		if(fromIndex <= 0)
+			fromIndex += L.len
+		if(toIndex <= 0)
+			toIndex += L.len + 1
+
+		sortInstance.L = L
+		sortInstance.cmp = cmp
+		sortInstance.associative = associative
+
+		sortInstance.timSort(fromIndex, toIndex)
+
+	return L

code/_helpers/sorts/__main.dm

@@ -0,0 +1,656 @@
+	//These are macros used to reduce on proc calls
+#define fetchElement(L, i) (associative) ? L[L[i]] : L[i]
+
+	//Minimum sized sequence that will be merged. Anything smaller than this will use binary-insertion sort.
+	//Should be a power of 2
+#define MIN_MERGE 32
+
+	//When we get into galloping mode, we stay there until both runs win less often than MIN_GALLOP consecutive times.
+#define MIN_GALLOP 7
+
+	//This is a global instance to allow much of this code to be reused. The interfaces are kept separately
+var/datum/sortInstance/sortInstance = new()
+/datum/sortInstance
+	//The array being sorted.
+	var/list/L
+
+	//The comparator proc-reference
+	var/cmp = /proc/cmp_numeric_asc
+
+	//whether we are sorting list keys (0: L[i]) or associated values (1: L[L[i]])
+	var/associative = 0
+
+	//This controls when we get *into* galloping mode.  It is initialized	to MIN_GALLOP.
+	//The mergeLo and mergeHi methods nudge it higher for random data, and lower for highly structured data.
+	var/minGallop = MIN_GALLOP
+
+	//Stores information regarding runs yet to be merged.
+	//Run i starts at runBase[i] and extends for runLen[i] elements.
+	//runBase[i] + runLen[i] == runBase[i+1]
+	//var/stackSize
+	var/list/runBases = list()
+	var/list/runLens = list()
+
+
+/datum/sortInstance/proc/timSort(start, end)
+	runBases.Cut()
+	runLens.Cut()
+
+	var/remaining = end - start
+
+	//If array is small, do a 'mini-TimSort' with no merges
+	if(remaining < MIN_MERGE)
+		var/initRunLen = countRunAndMakeAscending(start, end)
+		binarySort(start, end, start+initRunLen)
+		return
+
+	//March over the array finding natural runs
+	//Extend any short natural runs to runs of length minRun
+	var/minRun = minRunLength(remaining)
+
+	do
+			//identify next run
+		var/runLen = countRunAndMakeAscending(start, end)
+
+			//if run is short, extend to min(minRun, remaining)
+		if(runLen < minRun)
+			var/force = (remaining <= minRun) ? remaining : minRun
+
+			binarySort(start, start+force, start+runLen)
+			runLen = force
+
+			//add data about run to queue
+		runBases.Add(start)
+		runLens.Add(runLen)
+
+			//maybe merge
+		mergeCollapse()
+
+			//Advance to find next run
+		start += runLen
+		remaining -= runLen
+
+	while(remaining > 0)
+
+
+		//Merge all remaining runs to complete sort
+	//ASSERT(start == end)
+	mergeForceCollapse();
+	//ASSERT(runBases.len == 1)
+
+		//reset minGallop, for successive calls
+	minGallop = MIN_GALLOP
+
+	return L
+
+/*
+Sorts the specified portion of the specified array using a binary
+insertion sort.  This is the best method for sorting small numbers
+of elements.  It requires O(n log n) compares, but O(n^2) data
+movement (worst case).
+
+If the initial part of the specified range is already sorted,
+this method can take advantage of it: the method assumes that the
+elements in range [lo,start) are already sorted
+
+lo		the index of the first element in the range to be sorted
+hi		the index after the last element in the range to be sorted
+start	the index of the first element in the range that is	not already known to be sorted
+*/
+/datum/sortInstance/proc/binarySort(lo, hi, start)
+	//ASSERT(lo <= start && start <= hi)
+	if(start <= lo)
+		start = lo + 1
+
+	for(,start < hi, ++start)
+		var/pivot = fetchElement(L,start)
+
+		//set left and right to the index where pivot belongs
+		var/left = lo
+		var/right = start
+		//ASSERT(left <= right)
+
+		//[lo, left) elements <= pivot < [right, start) elements
+		//in other words, find where the pivot element should go using bisection search
+		while(left < right)
+			var/mid = (left + right) >> 1	//round((left+right)/2)
+			if(call(cmp)(fetchElement(L,mid), pivot) > 0)
+				right = mid
+			else
+				left = mid+1
+
+		//ASSERT(left == right)
+		moveElement(L, start, left)	//move pivot element to correct location in the sorted range
+
+/*
+Returns the length of the run beginning at the specified position and reverses the run if it is back-to-front
+
+A run is the longest ascending sequence with:
+	a[lo] <= a[lo + 1] <= a[lo + 2] <= ...
+or the longest descending sequence with:
+	a[lo] >  a[lo + 1] >  a[lo + 2] >  ...
+
+For its intended use in a stable mergesort, the strictness of the
+definition of "descending" is needed so that the call can safely
+reverse a descending sequence without violating stability.
+*/
+/datum/sortInstance/proc/countRunAndMakeAscending(lo, hi)
+	//ASSERT(lo < hi)
+
+	var/runHi = lo + 1
+	if(runHi >= hi)
+		return 1
+
+	var/last = fetchElement(L,lo)
+	var/current = fetchElement(L,runHi++)
+
+	if(call(cmp)(current, last) < 0)
+		while(runHi < hi)
+			last = current
+			current = fetchElement(L,runHi)
+			if(call(cmp)(current, last) >= 0)
+				break
+			++runHi
+		reverseRange(L, lo, runHi)
+	else
+		while(runHi < hi)
+			last = current
+			current = fetchElement(L,runHi)
+			if(call(cmp)(current, last) < 0)
+				break
+			++runHi
+
+	return runHi - lo
+
+//Returns the minimum acceptable run length for an array of the specified length.
+//Natural runs shorter than this will be extended with binarySort
+/datum/sortInstance/proc/minRunLength(n)
+	//ASSERT(n >= 0)
+	var/r = 0	//becomes 1 if any bits are shifted off
+	while(n >= MIN_MERGE)
+		r |= (n & 1)
+		n >>= 1
+	return n + r
+
+//Examines the stack of runs waiting to be merged and merges adjacent runs until the stack invariants are reestablished:
+//	runLen[i-3] > runLen[i-2] + runLen[i-1]
+//	runLen[i-2] > runLen[i-1]
+//This method is called each time a new run is pushed onto the stack.
+//So the invariants are guaranteed to hold for i<stackSize upon entry to the method
+/datum/sortInstance/proc/mergeCollapse()
+	while(runBases.len >= 2)
+		var/n = runBases.len - 1
+		if(n > 1 && runLens[n-1] <= runLens[n] + runLens[n+1])
+			if(runLens[n-1] < runLens[n+1])
+				--n
+			mergeAt(n)
+		else if(runLens[n] <= runLens[n+1])
+			mergeAt(n)
+		else
+			break	//Invariant is established
+
+
+//Merges all runs on the stack until only one remains.
+//Called only once, to finalise the sort
+/datum/sortInstance/proc/mergeForceCollapse()
+	while(runBases.len >= 2)
+		var/n = runBases.len - 1
+		if(n > 1 && runLens[n-1] < runLens[n+1])
+			--n
+		mergeAt(n)
+
+
+//Merges the two consecutive runs at stack indices i and i+1
+//Run i must be the penultimate or antepenultimate run on the stack
+//In other words, i must be equal to stackSize-2 or stackSize-3
+/datum/sortInstance/proc/mergeAt(i)
+	//ASSERT(runBases.len >= 2)
+	//ASSERT(i >= 1)
+	//ASSERT(i == runBases.len - 1 || i == runBases.len - 2)
+
+	var/base1 = runBases[i]
+	var/base2 = runBases[i+1]
+	var/len1 = runLens[i]
+	var/len2 = runLens[i+1]
+
+	//ASSERT(len1 > 0 && len2 > 0)
+	//ASSERT(base1 + len1 == base2)
+
+	//Record the legth of the combined runs. If i is the 3rd last run now, also slide over the last run
+	//(which isn't involved in this merge). The current run (i+1) goes away in any case.
+	runLens[i] += runLens[i+1]
+	runLens.Cut(i+1, i+2)
+	runBases.Cut(i+1, i+2)
+
+
+	//Find where the first element of run2 goes in run1.
+	//Prior elements in run1 can be ignored (because they're already in place)
+	var/k = gallopRight(fetchElement(L,base2), base1, len1, 0)
+	//ASSERT(k >= 0)
+	base1 += k
+	len1 -= k
+	if(len1 == 0)
+		return
+
+	//Find where the last element of run1 goes in run2.
+	//Subsequent elements in run2 can be ignored (because they're already in place)
+	len2 = gallopLeft(fetchElement(L,base1 + len1 - 1), base2, len2, len2-1)
+	//ASSERT(len2 >= 0)
+	if(len2 == 0)
+		return
+
+	//Merge remaining runs, using tmp array with min(len1, len2) elements
+	if(len1 <= len2)
+		mergeLo(base1, len1, base2, len2)
+	else
+		mergeHi(base1, len1, base2, len2)
+
+
+/*
+	Locates the position to insert key within the specified sorted range
+	If the range contains elements equal to key, this will return the index of the LEFTMOST of those elements
+
+	key		the element to be inserted into the sorted range
+	base	the index of the first element of the sorted range
+	len		the length of the sorted range, must be greater than 0
+	hint	the offset from base at which to begin the search, such that 0 <= hint < len; i.e. base <= hint < base+hint
+
+	Returns the index at which to insert element 'key'
+*/
+/datum/sortInstance/proc/gallopLeft(key, base, len, hint)
+	//ASSERT(len > 0 && hint >= 0 && hint < len)
+
+	var/lastOffset = 0
+	var/offset = 1
+	if(call(cmp)(key, fetchElement(L,base+hint)) > 0)
+		var/maxOffset = len - hint
+		while(offset < maxOffset && call(cmp)(key, fetchElement(L,base+hint+offset)) > 0)
+			lastOffset = offset
+			offset = (offset << 1) + 1
+
+		if(offset > maxOffset)
+			offset = maxOffset
+
+		lastOffset += hint
+		offset += hint
+
+	else
+		var/maxOffset = hint + 1
+		while(offset < maxOffset && call(cmp)(key, fetchElement(L,base+hint-offset)) <= 0)
+			lastOffset = offset
+			offset = (offset << 1) + 1
+
+		if(offset > maxOffset)
+			offset = maxOffset
+
+		var/temp = lastOffset
+		lastOffset = hint - offset
+		offset = hint - temp
+
+		//ASSERT(-1 <= lastOffset && lastOffset < offset && offset <= len)
+
+	//Now L[base+lastOffset] < key <= L[base+offset], so key belongs somewhere to the right of lastOffset but no farther than
+	//offset. Do a binary search with invariant L[base+lastOffset-1] < key <= L[base+offset]
+	++lastOffset
+	while(lastOffset < offset)
+		var/m = lastOffset + ((offset - lastOffset) >> 1)
+
+		if(call(cmp)(key, fetchElement(L,base+m)) > 0)
+			lastOffset = m + 1
+		else
+			offset = m
+
+	//ASSERT(lastOffset == offset)
+	return offset
+
+/**
+ * Like gallopLeft, except that if the range contains an element equal to
+ * key, gallopRight returns the index after the rightmost equal element.
+ *
+ * @param key the key whose insertion point to search for
+ * @param a the array in which to search
+ * @param base the index of the first element in the range
+ * @param len the length of the range; must be > 0
+ * @param hint the index at which to begin the search, 0 <= hint < n.
+ *	 The closer hint is to the result, the faster this method will run.
+ * @param c the comparator used to order the range, and to search
+ * @return the int k,  0 <= k <= n such that a[b + k - 1] <= key < a[b + k]
+ */
+/datum/sortInstance/proc/gallopRight(key, base, len, hint)
+	//ASSERT(len > 0 && hint >= 0 && hint < len)
+
+	var/offset = 1
+	var/lastOffset = 0
+	if(call(cmp)(key, fetchElement(L,base+hint)) < 0)	//key <= L[base+hint]
+		var/maxOffset = hint + 1	//therefore we want to insert somewhere in the range [base,base+hint] = [base+,base+(hint+1))
+		while(offset < maxOffset && call(cmp)(key, fetchElement(L,base+hint-offset)) < 0)	//we are iterating backwards
+			lastOffset = offset
+			offset = (offset << 1) + 1	//1 3 7 15
+			//if(offset <= 0)	//int overflow, not an issue here since we are using floats
+			//	offset = maxOffset
+
+		if(offset > maxOffset)
+			offset = maxOffset
+
+		var/temp = lastOffset
+		lastOffset = hint - offset
+		offset = hint - temp
+
+	else	//key > L[base+hint]
+		var/maxOffset = len - hint	//therefore we want to insert somewhere in the range (base+hint,base+len) = [base+hint+1, base+hint+(len-hint))
+		while(offset < maxOffset && call(cmp)(key, fetchElement(L,base+hint+offset)) >= 0)
+			lastOffset = offset
+			offset = (offset << 1) + 1
+			//if(offset <= 0)	//int overflow, not an issue here since we are using floats
+			//	offset = maxOffset
+
+		if(offset > maxOffset)
+			offset = maxOffset
+
+		lastOffset += hint
+		offset += hint
+
+	//ASSERT(-1 <= lastOffset && lastOffset < offset && offset <= len)
+
+	++lastOffset
+	while(lastOffset < offset)
+		var/m = lastOffset + ((offset - lastOffset) >> 1)
+
+		if(call(cmp)(key, fetchElement(L,base+m)) < 0)	//key <= L[base+m]
+			offset = m
+		else							//key > L[base+m]
+			lastOffset = m + 1
+
+	//ASSERT(lastOffset == offset)
+
+	return offset
+
+
+//Merges two adjacent runs in-place in a stable fashion.
+//For performance this method should only be called when len1 <= len2!
+/datum/sortInstance/proc/mergeLo(base1, len1, base2, len2)
+	//ASSERT(len1 > 0 && len2 > 0 && base1 + len1 == base2)
+
+	var/cursor1 = base1
+	var/cursor2 = base2
+
+	//degenerate cases
+	if(len2 == 1)
+		moveElement(L, cursor2, cursor1)
+		return
+
+	if(len1 == 1)
+		moveElement(L, cursor1, cursor2+len2)
+		return
+
+
+	//Move first element of second run
+	moveElement(L, cursor2++, cursor1++)
+	--len2
+
+	outer:
+		while(1)
+			var/count1 = 0	//# of times in a row that first run won
+			var/count2 = 0	//	"	"	"	"	"	"  second run won
+
+			//do the straightfoward thin until one run starts winning consistently
+
+			do
+				//ASSERT(len1 > 1 && len2 > 0)
+				if(call(cmp)(fetchElement(L,cursor2), fetchElement(L,cursor1)) < 0)
+					moveElement(L, cursor2++, cursor1++)
+					--len2
+
+					++count2
+					count1 = 0
+
+					if(len2 == 0)
+						break outer
+				else
+					++cursor1
+
+					++count1
+					count2 = 0
+
+					if(--len1 == 1)
+						break outer
+
+			while((count1 | count2) < minGallop)
+
+
+			//one run is winning consistently so galloping may provide huge benifits
+			//so try galloping, until such time as the run is no longer consistently winning
+			do
+				//ASSERT(len1 > 1 && len2 > 0)
+
+				count1 = gallopRight(fetchElement(L,cursor2), cursor1, len1, 0)
+				if(count1)
+					cursor1 += count1
+					len1 -= count1
+
+					if(len1 <= 1)
+						break outer
+
+				moveElement(L, cursor2, cursor1)
+				++cursor2
+				++cursor1
+				if(--len2 == 0)
+					break outer
+
+				count2 = gallopLeft(fetchElement(L,cursor1), cursor2, len2, 0)
+				if(count2)
+					moveRange(L, cursor2, cursor1, count2)
+
+					cursor2 += count2
+					cursor1 += count2
+					len2 -= count2
+
+					if(len2 == 0)
+						break outer
+
+				++cursor1
+				if(--len1 == 1)
+					break outer
+
+				--minGallop
+
+			while((count1|count2) > MIN_GALLOP)
+
+			if(minGallop < 0)
+				minGallop = 0
+			minGallop += 2;  // Penalize for leaving gallop mode
+
+
+	if(len1 == 1)
+		//ASSERT(len2 > 0)
+		moveElement(L, cursor1, cursor2+len2)
+
+	//else
+		//ASSERT(len2 == 0)
+		//ASSERT(len1 > 1)
+
+
+/datum/sortInstance/proc/mergeHi(base1, len1, base2, len2)
+	//ASSERT(len1 > 0 && len2 > 0 && base1 + len1 == base2)
+
+	var/cursor1 = base1 + len1 - 1	//start at end of sublists
+	var/cursor2 = base2 + len2 - 1
+
+	//degenerate cases
+	if(len2 == 1)
+		moveElement(L, base2, base1)
+		return
+
+	if(len1 == 1)
+		moveElement(L, base1, cursor2+1)
+		return
+
+	moveElement(L, cursor1--, cursor2-- + 1)
+	--len1
+
+	outer:
+		while(1)
+			var/count1 = 0	//# of times in a row that first run won
+			var/count2 = 0	//	"	"	"	"	"	"  second run won
+
+			//do the straightfoward thing until one run starts winning consistently
+			do
+				//ASSERT(len1 > 0 && len2 > 1)
+				if(call(cmp)(fetchElement(L,cursor2), fetchElement(L,cursor1)) < 0)
+					moveElement(L, cursor1--, cursor2-- + 1)
+					--len1
+
+					++count1
+					count2 = 0
+
+					if(len1 == 0)
+						break outer
+				else
+					--cursor2
+					--len2
+
+					++count2
+					count1 = 0
+
+					if(len2 == 1)
+						break outer
+			while((count1 | count2) < minGallop)
+
+			//one run is winning consistently so galloping may provide huge benifits
+			//so try galloping, until such time as the run is no longer consistently winning
+			do
+				//ASSERT(len1 > 0 && len2 > 1)
+
+				count1 = len1 - gallopRight(fetchElement(L,cursor2), base1, len1, len1-1)	//should cursor1 be base1?
+				if(count1)
+					cursor1 -= count1
+
+					moveRange(L, cursor1+1, cursor2+1, count1)	//cursor1+1 == cursor2 by definition
+
+					cursor2 -= count1
+					len1 -= count1
+
+					if(len1 == 0)
+						break outer
+
+				--cursor2
+
+				if(--len2 == 1)
+					break outer
+
+				count2 = len2 - gallopLeft(fetchElement(L,cursor1), cursor1+1, len2, len2-1)
+				if(count2)
+					cursor2 -= count2
+					len2 -= count2
+
+					if(len2 <= 1)
+						break outer
+
+				moveElement(L, cursor1--, cursor2-- + 1)
+				--len1
+
+				if(len1 == 0)
+					break outer
+
+				--minGallop
+			while((count1|count2) > MIN_GALLOP)
+
+			if(minGallop < 0)
+				minGallop = 0
+			minGallop += 2	// Penalize for leaving gallop mode
+
+	if(len2 == 1)
+		//ASSERT(len1 > 0)
+
+		cursor1 -= len1
+		moveRange(L, cursor1+1, cursor2+1, len1)
+
+	//else
+		//ASSERT(len1 == 0)
+		//ASSERT(len2 > 0)
+
+
+/datum/sortInstance/proc/mergeSort(start, end)
+	var/remaining = end - start
+
+	//If array is small, do an insertion sort
+	if(remaining < MIN_MERGE)
+		//var/initRunLen = countRunAndMakeAscending(start, end)
+		binarySort(start, end, start/*+initRunLen*/)
+		return
+
+	var/minRun = minRunLength(remaining)
+
+	do
+		var/runLen = (remaining <= minRun) ? remaining : minRun
+
+		binarySort(start, start+runLen, start)
+
+		//add data about run to queue
+		runBases.Add(start)
+		runLens.Add(runLen)
+
+		//Advance to find next run
+		start += runLen
+		remaining -= runLen
+
+	while(remaining > 0)
+
+	while(runBases.len >= 2)
+		var/n = runBases.len - 1
+		if(n > 1 && runLens[n-1] <= runLens[n] + runLens[n+1])
+			if(runLens[n-1] < runLens[n+1])
+				--n
+			mergeAt2(n)
+		else if(runLens[n] <= runLens[n+1])
+			mergeAt2(n)
+		else
+			break	//Invariant is established
+
+	while(runBases.len >= 2)
+		var/n = runBases.len - 1
+		if(n > 1 && runLens[n-1] < runLens[n+1])
+			--n
+		mergeAt2(n)
+
+	return L
+
+/datum/sortInstance/proc/mergeAt2(i)
+	var/cursor1 = runBases[i]
+	var/cursor2 = runBases[i+1]
+
+	var/end1 = cursor1+runLens[i]
+	var/end2 = cursor2+runLens[i+1]
+
+	var/val1 = fetchElement(L,cursor1)
+	var/val2 = fetchElement(L,cursor2)
+
+	while(1)
+		if(call(cmp)(val1,val2) < 0)
+			if(++cursor1 >= end1)
+				break
+			val1 = fetchElement(L,cursor1)
+		else
+			moveElement(L,cursor2,cursor1)
+
+			++cursor2
+			if(++cursor2 >= end2)
+				break
+			++end1
+			++cursor1
+			//if(++cursor1 >= end1)
+			//	break
+
+			val2 = fetchElement(L,cursor2)
+
+
+	//Record the legth of the combined runs. If i is the 3rd last run now, also slide over the last run
+	//(which isn't involved in this merge). The current run (i+1) goes away in any case.
+	runLens[i] += runLens[i+1]
+	runLens.Cut(i+1, i+2)
+	runBases.Cut(i+1, i+2)
+
+#undef MIN_GALLOP
+#undef MIN_MERGE
+
+#undef fetchElement

code/_helpers/sorts/comparators.dm

@@ -0,0 +1,20 @@
+//
+// Comparators for use with /datum/sortInstance (or wherever you want)
+// They should return negative, zero, or positive numbers for a < b, a == b, and a > b respectively.
+//
+
+// Sorts numeric ascending
+/proc/cmp_numeric_asc(a,b)
+	return a - b
+
+// Sorts subsystems alphabetically
+/proc/cmp_subsystem_display(datum/controller/subsystem/a, datum/controller/subsystem/b)
+	return sorttext(b.name, a.name)
+
+// Sorts subsystems by init_order
+/proc/cmp_subsystem_init(datum/controller/subsystem/a, datum/controller/subsystem/b)
+	return b.init_order - a.init_order
+
+// Sorts subsystems by priority
+/proc/cmp_subsystem_priority(datum/controller/subsystem/a, datum/controller/subsystem/b)
+	return a.priority - b.priority

code/_helpers/time.dm

@@ -100,4 +100,24 @@ var/round_start_time = 0
 
 /hook/startup/proc/set_roundstart_hour()
 	roundstart_hour = pick(2,7,12,17)
-	return 1
+	return 1
+
+/var/midnight_rollovers = 0
+/var/rollovercheck_last_timeofday = 0
+/proc/update_midnight_rollover()
+	if (world.timeofday < rollovercheck_last_timeofday) //TIME IS GOING BACKWARDS!
+		return midnight_rollovers++
+	return midnight_rollovers
+
+//Increases delay as the server gets more overloaded,
+//as sleeps aren't cheap and sleeping only to wake up and sleep again is wasteful
+#define DELTA_CALC max(((max(world.tick_usage, world.cpu) / 100) * max(Master.sleep_delta,1)), 1)
+
+/proc/stoplag()
+	. = 0
+	var/i = 1
+	do
+		. += round(i*DELTA_CALC)
+		sleep(i*world.tick_lag*DELTA_CALC)
+		i *= 2
+	while (world.tick_usage > min(TICK_LIMIT_TO_RUN, Master.current_ticklimit))

code/_helpers/unsorted.dm

@@ -1157,12 +1157,22 @@ proc/is_hot(obj/item/W as obj)
 	istype(W, /obj/item/weapon/surgical/bonesetter)
 	)
 
-//check if mob is lying down on something we can operate him on.
+// check if mob is lying down on something we can operate him on.
+// The RNG with table/rollerbeds comes into play in do_surgery() so that fail_step() can be used instead.
 /proc/can_operate(mob/living/carbon/M)
-	return (M.lying && \
-	locate(/obj/machinery/optable, M.loc) || \
-	(locate(/obj/structure/bed/roller, M.loc) && prob(75)) || \
-	(locate(/obj/structure/table/, M.loc) && prob(66)))
+	return M.lying
+
+// Returns an instance of a valid surgery surface.
+/mob/living/proc/get_surgery_surface()
+	if(!lying)
+		return null // Not lying down means no surface.
+	var/obj/surface = null
+	for(var/obj/O in loc) // Looks for the best surface.
+		if(O.surgery_odds)
+			if(!surface || surface.surgery_odds < O)
+				surface = O
+	if(surface)
+		return surface
 
 /proc/reverse_direction(var/dir)
 	switch(dir)
@@ -1284,6 +1294,13 @@ var/mob/dview/dview_mob = new
 	else
 		living_mob_list -= src
 
+/mob/dview/Destroy(var/force)
+	crash_with("Attempt to delete the dview_mob: [log_info_line(src)]")
+	if (!force)
+		return QDEL_HINT_LETMELIVE
+	global.dview_mob = new
+	return ..()
+
 // call to generate a stack trace and print to runtime logs
 /proc/crash_with(msg)
 	CRASH(msg)

code/_macros.dm

@@ -49,5 +49,38 @@
 #define RANDOM_BLOOD_TYPE pick(4;"O-", 36;"O+", 3;"A-", 28;"A+", 1;"B-", 20;"B+", 1;"AB-", 5;"AB+")
 
 #define to_chat(target, message) target << message
+#define to_world(message) world << message
+#define to_world_log(message) world.log << message
+// TODO - Baystation has this log to crazy places. For now lets just world.log, but maybe look into it later.
+#define log_world(message) world.log << message
+
 
 #define CanInteract(user, state) (CanUseTopic(user, state) == STATUS_INTERACTIVE)
+
+#define qdel_null_list(x) if(x) { for(var/y in x) { qdel(y) } ; x = null }
+
+#define qdel_null(x) if(x) { qdel(x) ; x = null }
+
+#define ARGS_DEBUG log_debug("[__FILE__] - [__LINE__]") ; for(var/arg in args) { log_debug("\t[log_info_line(arg)]") }
+
+// Helper macros to aid in optimizing lazy instantiation of lists.
+// All of these are null-safe, you can use them without knowing if the list var is initialized yet
+
+//Picks from the list, with some safeties, and returns the "default" arg if it fails
+#define DEFAULTPICK(L, default) ((istype(L, /list) && L:len) ? pick(L) : default)
+// Ensures L is initailized after this point
+#define LAZYINITLIST(L) if (!L) L = list()
+// Sets a L back to null iff it is empty
+#define UNSETEMPTY(L) if (L && !L.len) L = null
+// Removes I from list L, and sets I to null if it is now empty
+#define LAZYREMOVE(L, I) if(L) { L -= I; if(!L.len) { L = null; } }
+// Adds I to L, initalizing I if necessary
+#define LAZYADD(L, I) if(!L) { L = list(); } L += I;
+// Reads I from L safely - Works with both associative and traditional lists.
+#define LAZYACCESS(L, I) (L ? (isnum(I) ? (I > 0 && I <= L.len ? L[I] : null) : L[I]) : null)
+// Reads the length of L, returning 0 if null
+#define LAZYLEN(L) length(L)
+// Null-safe L.Cut()
+#define LAZYCLEARLIST(L) if(L) L.Cut()
+// Reads L or an empty list if L is not a list.  Note: Does NOT assign, L may be an expression.
+#define SANITIZE_LIST(L) ( islist(L) ? L : list() )

code/_onclick/drag_drop.dm

@@ -5,6 +5,16 @@
 	recieving object instead, so that's the default action.  This allows you to drag
 	almost anything into a trash can.
 */
+
+/atom/proc/CanMouseDrop(atom/over, var/mob/user = usr)
+	if(!user || !over)
+		return FALSE
+	if(user.incapacitated())
+		return FALSE
+	if(!src.Adjacent(user) || !over.Adjacent(user))
+		return FALSE // should stop you from dragging through windows
+	return TRUE
+
 /atom/MouseDrop(atom/over)
 	if(!usr || !over) return
 	if(!Adjacent(usr) || !over.Adjacent(usr)) return // should stop you from dragging through windows

code/_onclick/hud/ability_screen_objects.dm

@@ -20,7 +20,7 @@
 		message_admins("ERROR: ability_master's New() was not given an owner argument.  This is a bug.")
 
 /obj/screen/movable/ability_master/Destroy()
-	..()
+	. = ..()
 	//Get rid of the ability objects.
 	remove_all_abilities()
 	ability_objects.Cut()

code/_onclick/hud/action.dm

@@ -30,6 +30,9 @@
 /datum/action/Destroy()
 	if(owner)
 		Remove(owner)
+	target = null
+	qdel_null(button)
+	return ..()
 
 /datum/action/proc/Grant(mob/living/T)
 	if(owner)
@@ -45,7 +48,7 @@
 	if(button)
 		if(T.client)
 			T.client.screen -= button
-		del(button)
+		qdel_null(button)
 	T.actions.Remove(src)
 	T.update_action_buttons()
 	owner = null

code/_onclick/hud/hud.dm

@@ -155,7 +155,7 @@ datum/hud/New(mob/owner)
 	..()
 
 /datum/hud/Destroy()
-	..()
+	. = ..()
 	grab_intent = null
 	hurt_intent = null
 	disarm_intent = null

code/_onclick/hud/screen_objects.dm

@@ -46,7 +46,7 @@
 	var/obj/item/owner
 
 /obj/screen/item_action/Destroy()
-	..()
+	. = ..()
 	owner = null
 
 /obj/screen/item_action/Click()

code/_onclick/hud/spell_screen_objects.dm

@@ -13,7 +13,7 @@
 	var/mob/spell_holder
 
 /obj/screen/movable/spell_master/Destroy()
-	..()
+	. = ..()
 	for(var/obj/screen/spell/spells in spell_objects)
 		spells.spellmaster = null
 	spell_objects.Cut()
@@ -156,7 +156,7 @@
 	var/icon/last_charged_icon
 
 /obj/screen/spell/Destroy()
-	..()
+	. = ..()
 	spell = null
 	last_charged_icon = null
 	if(spellmaster)

code/controllers/ProcessScheduler/core/process.dm

@@ -35,7 +35,6 @@
 	 * Config vars
 	 */
 	// Process name
-	var/name
 
 	// Process schedule interval
 	// This controls how often the process would run under ideal conditions.
@@ -388,6 +387,6 @@
 			exceptions[eid] = 0
 
 /datum/controller/process/proc/catchBadType(var/datum/caught)
-	if(isnull(caught) || !istype(caught) || !isnull(caught.gcDestroyed))
+	if(isnull(caught) || !istype(caught) || QDELETED(caught))
 		return // Only bother with types we can identify and that don't belong
 	catchException("Type [caught.type] does not belong in process' queue")

code/controllers/Processes/garbage.dm

@@ -1,254 +0,0 @@
-// The time a datum was destroyed by the GC, or null if it hasn't been
-/datum/var/gcDestroyed
-
-#define GC_COLLECTIONS_PER_RUN 300
-#define GC_COLLECTION_TIMEOUT (30 SECONDS)
-#define GC_FORCE_DEL_PER_RUN 30
-
-var/datum/controller/process/garbage_collector/garbage_collector
-var/list/delayed_garbage = list()
-
-/datum/controller/process/garbage_collector
-	var/garbage_collect = 1			// Whether or not to actually do work
-	var/total_dels 	= 0			// number of total del()'s
-	var/tick_dels 	= 0			// number of del()'s we've done this tick
-	var/soft_dels	= 0
-	var/hard_dels 	= 0			// number of hard dels in total
-	var/list/destroyed = list() // list of refID's of things that should be garbage collected
-								// refID's are associated with the time at which they time out and need to be manually del()
-								// we do this so we aren't constantly locating them and preventing them from being gc'd
-
-	var/list/logging = list()	// list of all types that have failed to GC associated with the number of times that's happened.
-								// the types are stored as strings
-
-/datum/controller/process/garbage_collector/setup()
-	name = "garbage"
-	schedule_interval = 5 SECONDS
-	start_delay = 3
-
-	if(!garbage_collector)
-		garbage_collector = src
-
-	for(var/garbage in delayed_garbage)
-		qdel(garbage)
-	delayed_garbage.Cut()
-	delayed_garbage = null
-
-#ifdef GC_FINDREF
-world/loop_checks = 0
-#endif
-
-/datum/controller/process/garbage_collector/doWork()
-	if(!garbage_collect)
-		return
-
-	tick_dels = 0
-	var/time_to_kill = world.time - GC_COLLECTION_TIMEOUT
-	var/checkRemain = GC_COLLECTIONS_PER_RUN
-	var/remaining_force_dels = GC_FORCE_DEL_PER_RUN
-
-
-	while(destroyed.len && --checkRemain >= 0)
-		if(remaining_force_dels <= 0)
-			#ifdef GC_DEBUG
-			testing("GC: Reached max force dels per tick [dels] vs [maxDels]")
-			#endif
-			break // Server's already pretty pounded, everything else can wait 2 seconds
-		var/refID = destroyed[1]
-		var/GCd_at_time = destroyed[refID]
-		if(GCd_at_time > time_to_kill)
-			#ifdef GC_DEBUG
-			testing("GC: [refID] not old enough, breaking at [world.time] for [GCd_at_time - time_to_kill] deciseconds until [GCd_at_time + collection_timeout]")
-			#endif
-			break // Everything else is newer, skip them
-		var/datum/A = locate(refID)
-		#ifdef GC_DEBUG
-		testing("GC: [refID] old enough to test: GCd_at_time: [GCd_at_time] time_to_kill: [time_to_kill] current: [world.time]")
-		#endif
-		if(A && A.gcDestroyed == GCd_at_time) // So if something else coincidently gets the same ref, it's not deleted by mistake
-			// Something's still referring to the qdel'd object.  Kill it.
-			testing("GC: -- \ref[A] | [A.type] was unable to be GC'd and was deleted --")
-			logging["[A.type]"]++
-			del(A)
-
-			hard_dels++
-			remaining_force_dels--
-		else
-			#ifdef GC_DEBUG
-			testing("GC: [refID] properly GC'd at [world.time] with timeout [GCd_at_time]")
-			#endif
-			soft_dels++
-		tick_dels++
-		total_dels++
-		destroyed.Cut(1, 2)
-		SCHECK
-
-#undef GC_FORCE_DEL_PER_TICK
-#undef GC_COLLECTION_TIMEOUT
-#undef GC_COLLECTIONS_PER_TICK
-
-#ifdef GC_FINDREF
-/datum/controller/process/garbage_collector/proc/LookForRefs(var/datum/D, var/list/targ)
-	. = 0
-	for(var/V in D.vars)
-		if(V == "contents")
-			continue
-		if(istype(D.vars[V], /atom))
-			var/atom/A = D.vars[V]
-			if(A in targ)
-				testing("GC: [A] | [A.type] referenced by [D] | [D.type], var [V]")
-				. += 1
-		else if(islist(D.vars[V]))
-			. += LookForListRefs(D.vars[V], targ, D, V)
-
-/datum/controller/process/garbage_collector/proc/LookForListRefs(var/list/L, var/list/targ, var/datum/D, var/V)
-	. = 0
-	for(var/F in L)
-		if(istype(F, /atom))
-			var/atom/A = F
-			if(A in targ)
-				testing("GC: [A] | [A.type] referenced by [D] | [D.type], list [V]")
-				. += 1
-		if(islist(F))
-			. += LookForListRefs(F, targ, D, "[F] in list [V]")
-#endif
-
-/datum/controller/process/garbage_collector/proc/AddTrash(datum/A)
-	if(!istype(A) || !isnull(A.gcDestroyed))
-		return
-	#ifdef GC_DEBUG
-	testing("GC: AddTrash(\ref[A] - [A.type])")
-	#endif
-	A.gcDestroyed = world.time
-	destroyed -= "\ref[A]" // Removing any previous references that were GC'd so that the current object will be at the end of the list.
-	destroyed["\ref[A]"] = world.time
-
-/datum/controller/process/garbage_collector/statProcess()
-	..()
-	stat(null, "[garbage_collect ? "On" : "Off"], [destroyed.len] queued")
-	stat(null, "Dels: [total_dels], [soft_dels] soft, [hard_dels] hard, [tick_dels]  last run")
-
-
-// Tests if an atom has been deleted.
-/proc/deleted(atom/A)
-	return !A || !isnull(A.gcDestroyed)
-
-// Should be treated as a replacement for the 'del' keyword.
-// Datums passed to this will be given a chance to clean up references to allow the GC to collect them.
-/proc/qdel(var/datum/A)
-	if(!A)
-		return
-	if(!istype(A))
-		warning("qdel() passed object of type [A.type]. qdel() can only handle /datum types.")
-		crash_with("qdel() passed object of type [A.type]. qdel() can only handle /datum types.")
-		del(A)
-		if(garbage_collector)
-			garbage_collector.total_dels++
-			garbage_collector.hard_dels++
-	else if(isnull(A.gcDestroyed))
-		// Let our friend know they're about to get collected
-		. = !A.Destroy()
-		if(. && A)
-			A.finalize_qdel()
-
-/datum/proc/finalize_qdel()
-	del(src)
-
-/atom/finalize_qdel()
-	if(garbage_collector)
-		garbage_collector.AddTrash(src)
-	else
-		delayed_garbage |= src
-
-/icon/finalize_qdel()
-	del(src)
-
-/image/finalize_qdel()
-	del(src)
-
-/mob/finalize_qdel()
-	del(src)
-
-/turf/finalize_qdel()
-	del(src)
-
-// Default implementation of clean-up code.
-// This should be overridden to remove all references pointing to the object being destroyed.
-// Return true if the the GC controller should allow the object to continue existing.
-/datum/proc/Destroy()
-	nanomanager.close_uis(src)
-	tag = null
-	return
-
-#ifdef TESTING
-/client/var/running_find_references
-
-/mob/verb/create_thing()
-	set category = "Debug"
-	set name = "Create Thing"
-
-	var/path = input("Enter path")
-	var/atom/thing = new path(loc)
-	thing.find_references()
-
-/atom/verb/find_references()
-	set category = "Debug"
-	set name = "Find References"
-	set background = 1
-	set src in world
-
-	if(!usr || !usr.client)
-		return
-
-	if(usr.client.running_find_references)
-		testing("CANCELLED search for references to a [usr.client.running_find_references].")
-		usr.client.running_find_references = null
-		return
-
-	if(alert("Running this will create a lot of lag until it finishes.  You can cancel it by running it again.  Would you like to begin the search?", "Find References", "Yes", "No") == "No")
-		return
-
-	// Remove this object from the list of things to be auto-deleted.
-	if(garbage_collector)
-		garbage_collector.destroyed -= "\ref[src]"
-
-	usr.client.running_find_references = type
-	testing("Beginning search for references to a [type].")
-	var/list/things = list()
-	for(var/client/thing)
-		things += thing
-	for(var/datum/thing)
-		things += thing
-	for(var/atom/thing)
-		things += thing
-	testing("Collected list of things in search for references to a [type]. ([things.len] Thing\s)")
-	for(var/datum/thing in things)
-		if(!usr.client.running_find_references) return
-		for(var/varname in thing.vars)
-			var/variable = thing.vars[varname]
-			if(variable == src)
-				testing("Found [src.type] \ref[src] in [thing.type]'s [varname] var.")
-			else if(islist(variable))
-				if(src in variable)
-					testing("Found [src.type] \ref[src] in [thing.type]'s [varname] list var.")
-	testing("Completed search for references to a [type].")
-	usr.client.running_find_references = null
-
-/client/verb/purge_all_destroyed_objects()
-	set category = "Debug"
-	if(garbage_collector)
-		while(garbage_collector.destroyed.len)
-			var/datum/o = locate(garbage_collector.destroyed[1])
-			if(istype(o) && o.gcDestroyed)
-				del(o)
-				garbage_collector.dels++
-			garbage_collector.destroyed.Cut(1, 2)
-#endif
-
-#ifdef GC_DEBUG
-#undef GC_DEBUG
-#endif
-
-#ifdef GC_FINDREF
-#undef GC_FINDREF
-#endif

code/controllers/Processes/machinery.dm

@@ -20,7 +20,7 @@
 /datum/controller/process/machinery/proc/internal_process_machinery()
 	for(last_object in machines)
 		var/obj/machinery/M = last_object
-		if(M && !M.gcDestroyed)
+		if(M && !QDELETED(M))
 			if(M.process() == PROCESS_KILL)
 				//M.inMachineList = 0 We don't use this debugging function
 				machines.Remove(M)
@@ -34,7 +34,7 @@
 /datum/controller/process/machinery/proc/internal_process_power()
 	for(last_object in powernets)
 		var/datum/powernet/powerNetwork = last_object
-		if(istype(powerNetwork) && isnull(powerNetwork.gcDestroyed))
+		if(istype(powerNetwork) && !QDELETED(powerNetwork))
 			powerNetwork.reset()
 			SCHECK
 			continue
@@ -52,7 +52,7 @@
 /datum/controller/process/machinery/proc/internal_process_pipenets()
 	for(last_object in pipe_networks)
 		var/datum/pipe_network/pipeNetwork = last_object
-		if(istype(pipeNetwork) && isnull(pipeNetwork.gcDestroyed))
+		if(istype(pipeNetwork) && !QDELETED(pipeNetwork))
 			pipeNetwork.process()
 			SCHECK
 			continue

code/controllers/Processes/mob.dm

@@ -14,7 +14,7 @@
 /datum/controller/process/mob/doWork()
 	for(last_object in mob_list)
 		var/mob/M = last_object
-		if(M && isnull(M.gcDestroyed))
+		if(M && !QDELETED(M))
 			try
 				M.Life()
 			catch(var/exception/e)

code/controllers/Processes/nanoui.dm

@@ -9,7 +9,7 @@
 /datum/controller/process/nanoui/doWork()
 	for(last_object in nanomanager.processing_uis)
 		var/datum/nanoui/NUI = last_object
-		if(istype(NUI) && isnull(NUI.gcDestroyed))
+		if(istype(NUI) && !QDELETED(NUI))
 			try
 				NUI.process()
 			catch(var/exception/e)

code/controllers/Processes/obj.dm

@@ -11,7 +11,7 @@
 /datum/controller/process/obj/doWork()
 	for(last_object in processing_objects)
 		var/datum/O = last_object
-		if(O && isnull(O.gcDestroyed))
+		if(!QDELETED(O))
 			try
 				O:process()
 			catch(var/exception/e)

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)
+		var/datum/radiation_source/S = thing
+		if(QDELETED(S))
+			sources.Remove(S)
+			continue
+		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)
+		var/turf/T = thing
+		if(QDELETED(T))
+			resistance_cache.Remove(T)
+			continue
+		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)
+			var/atom/A = thing
+			if(QDELETED(A))
+				continue
+			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/Processes/scheduler.dm

@@ -30,8 +30,8 @@
 // Note: We won't be informed about tasks being destroyed, but this is the best we can do.
 /datum/controller/process/scheduler/copyStateFrom(var/datum/controller/process/scheduler/target)
 	scheduled_tasks = list()
-	for(var/st in target.scheduled_tasks)
-		if(!deleted(st) && istype(st, /datum/scheduled_task))
+	for(var/datum/scheduled_task/st in target.scheduled_tasks)
+		if(!QDELETED(st) && istype(st))
 			schedule(st)
 	scheduler = src
 
@@ -46,12 +46,9 @@
 
 /datum/controller/process/scheduler/proc/schedule(var/datum/scheduled_task/st)
 	scheduled_tasks += st
-	destroyed_event.register(st, src, /datum/controller/process/scheduler/proc/unschedule)
 
 /datum/controller/process/scheduler/proc/unschedule(var/datum/scheduled_task/st)
-	if(st in scheduled_tasks)
-		scheduled_tasks -= st
-		destroyed_event.unregister(st, src)
+	scheduled_tasks -= st
 
 /**********
 * Helpers *
@@ -102,6 +99,7 @@
 	task_after_process_args += src
 
 /datum/scheduled_task/Destroy()
+	scheduler.unschedule(src)
 	procedure = null
 	arguments.Cut()
 	task_after_process = null

code/controllers/Processes/ticker.dm

@@ -33,3 +33,10 @@ var/global/datum/controller/process/ticker/tickerProcess
 
 /datum/controller/process/ticker/proc/getLastTickerTimeDuration()
 	return lastTickerTimeDuration
+
+// Use these preferentially to directly examining ticker.current_state to help prepare for transition to ticker as subsystem!
+/datum/controller/process/ticker/proc/HasRoundStarted()
+	return (ticker && ticker.current_state >= GAME_STATE_PLAYING)
+
+/datum/controller/process/ticker/proc/IsRoundInProgress()
+	return (ticker && ticker.current_state == GAME_STATE_PLAYING)

code/controllers/communications.dm

@@ -314,7 +314,6 @@ var/global/datum/controller/radio/radio_controller
 			devices_line -= null
 		if (devices_line.len==0)
 			devices -= devices_filter
-			del(devices_line)
 
 /datum/signal
 	var/obj/source

code/controllers/configuration.dm

@@ -46,7 +46,8 @@ var/list/gamemode_cache = list()
 	var/continous_rounds = 0			// Gamemodes which end instantly will instead keep on going until the round ends by escape shuttle or nuke.
 	var/allow_Metadata = 0				// Metadata is supported.
 	var/popup_admin_pm = 0				//adminPMs to non-admins show in a pop-up 'reply' window when set to 1.
-	var/Ticklag = 0.9
+	var/fps = 20
+	var/tick_limit_mc_init = TICK_LIMIT_MC_INIT_DEFAULT	//SSinitialization throttling
 	var/Tickcomp = 0
 	var/socket_talk	= 0					// use socket_talk to communicate with other processes
 	var/list/resource_urls = null
@@ -219,6 +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)
@@ -564,7 +569,12 @@ var/list/gamemode_cache = list()
 					irc_bot_export = 1
 
 				if("ticklag")
-					Ticklag = text2num(value)
+					var/ticklag = text2num(value)
+					if(ticklag > 0)
+						fps = 10 / ticklag
+
+				if("tick_limit_mc_init")
+					tick_limit_mc_init = text2num(value)
 
 				if("allow_antag_hud")
 					config.antag_hud_allowed = 1
@@ -716,6 +726,9 @@ 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]'")
 

code/controllers/controller.dm

@@ -0,0 +1,19 @@
+/datum/controller
+	var/name
+	// The object used for the clickable stat() button.
+	var/obj/effect/statclick/statclick
+
+/datum/controller/proc/Initialize()
+
+//cleanup actions
+/datum/controller/proc/Shutdown()
+
+//when we enter dmm_suite.load_map
+/datum/controller/proc/StartLoadingMap()
+
+//when we exit dmm_suite.load_map
+/datum/controller/proc/StopLoadingMap()
+
+/datum/controller/proc/Recover()
+
+/datum/controller/proc/stat_entry()

code/controllers/emergency_shuttle_controller.dm

@@ -22,6 +22,10 @@ var/global/datum/emergency_shuttle_controller/emergency_shuttle
 	var/datum/announcement/priority/emergency_shuttle_called = new(0, new_sound = sound('sound/AI/shuttlecalled.ogg'))
 	var/datum/announcement/priority/emergency_shuttle_recalled = new(0, new_sound = sound('sound/AI/shuttlerecalled.ogg'))
 
+/datum/emergency_shuttle_controller/New()
+	escape_pods = list()
+	..()
+
 /datum/emergency_shuttle_controller/proc/process()
 	if (wait_for_launch)
 		if (evac && auto_recall && world.time >= auto_recall_time)

code/controllers/failsafe.dm

@@ -0,0 +1,102 @@
+ /**
+  * Failsafe
+  *
+  * Pretty much pokes the MC to make sure it's still alive.
+ **/
+
+var/datum/controller/failsafe/Failsafe
+
+/datum/controller/failsafe // This thing pretty much just keeps poking the master controller
+	name = "Failsafe"
+
+	// The length of time to check on the MC (in deciseconds).
+	// Set to 0 to disable.
+	var/processing_interval = 20
+	// The alert level. For every failed poke, we drop a DEFCON level. Once we hit DEFCON 1, restart the MC.
+	var/defcon = 5
+	//the world.time of the last check, so the mc can restart US if we hang.
+	//	(Real friends look out for *eachother*)
+	var/lasttick = 0
+
+	// Track the MC iteration to make sure its still on track.
+	var/master_iteration = 0
+	var/running = TRUE
+
+/datum/controller/failsafe/New()
+	// Highlander-style: there can only be one! Kill off the old and replace it with the new.
+	if(Failsafe != src)
+		if(istype(Failsafe))
+			qdel(Failsafe)
+	Failsafe = src
+	Initialize()
+
+/datum/controller/failsafe/Initialize()
+	set waitfor = 0
+	Failsafe.Loop()
+	if(!QDELETED(src))
+		qdel(src) //when Loop() returns, we delete ourselves and let the mc recreate us
+
+/datum/controller/failsafe/Destroy()
+	running = FALSE
+	..()
+	return QDEL_HINT_HARDDEL_NOW
+
+/datum/controller/failsafe/proc/Loop()
+	while(running)
+		lasttick = world.time
+		if(!Master)
+			// Replace the missing Master! This should never, ever happen.
+			new /datum/controller/master()
+		// Only poke it if overrides are not in effect.
+		if(processing_interval > 0)
+			if(Master.processing && Master.iteration)
+				// Check if processing is done yet.
+				if(Master.iteration == master_iteration)
+					switch(defcon)
+						if(4,5)
+							--defcon
+						if(3)
+							to_chat(admins, "<span class='adminnotice'>Notice: DEFCON [defcon_pretty()]. The Master Controller has not fired in the last [(5-defcon) * processing_interval] ticks.</span>")
+							--defcon
+						if(2)
+							to_chat(admins, "<span class='boldannounce'>Warning: DEFCON [defcon_pretty()]. The Master Controller has not fired in the last [(5-defcon) * processing_interval] ticks. Automatic restart in [processing_interval] ticks.</span>")
+							--defcon
+						if(1)
+
+							to_chat(admins, "<span class='boldannounce'>Warning: DEFCON [defcon_pretty()]. The Master Controller has still not fired within the last [(5-defcon) * processing_interval] ticks. Killing and restarting...</span>")
+							--defcon
+							var/rtn = Recreate_MC()
+							if(rtn > 0)
+								defcon = 4
+								master_iteration = 0
+								to_chat(admins, "<span class='adminnotice'>MC restarted successfully</span>")
+							else if(rtn < 0)
+								log_game("FailSafe: Could not restart MC, runtime encountered. Entering defcon 0")
+								to_chat(admins, "<span class='boldannounce'>ERROR: DEFCON [defcon_pretty()]. Could not restart MC, runtime encountered. I will silently keep retrying.</span>")
+							//if the return number was 0, it just means the mc was restarted too recently, and it just needs some time before we try again
+							//no need to handle that specially when defcon 0 can handle it
+						if(0) //DEFCON 0! (mc failed to restart)
+							var/rtn = Recreate_MC()
+							if(rtn > 0)
+								defcon = 4
+								master_iteration = 0
+								to_chat(admins, "<span class='adminnotice'>MC restarted successfully</span>")
+				else
+					defcon = min(defcon + 1,5)
+					master_iteration = Master.iteration
+			if (defcon <= 1)
+				sleep(processing_interval*2)
+			else
+				sleep(processing_interval)
+		else
+			defcon = 5
+			sleep(initial(processing_interval))
+
+/datum/controller/failsafe/proc/defcon_pretty()
+	return defcon
+
+/datum/controller/failsafe/stat_entry()
+	if(!statclick)
+		statclick = new/obj/effect/statclick/debug(null, "Initializing...", src)
+
+	stat("Failsafe Controller:", statclick.update("Defcon: [defcon_pretty()] (Interval: [Failsafe.processing_interval] | Iteration: [Failsafe.master_iteration])"))

code/controllers/master.dm

@@ -0,0 +1,556 @@
+ /**
+  * StonedMC
+  *
+  * Designed to properly split up a given tick among subsystems
+  * Note: if you read parts of this code and think "why is it doing it that way"
+  * Odds are, there is a reason
+  *
+ **/
+var/datum/controller/master/Master = new()
+
+/datum/controller/master
+	name = "Master"
+
+	// Are we processing (higher values increase the processing delay by n ticks)
+	var/processing = 1
+	// How many times have we ran
+	var/iteration = 0
+
+	// world.time of last fire, for tracking lag outside of the mc
+	var/last_run
+
+	// List of subsystems to process().
+	var/list/subsystems
+
+	// Vars for keeping track of tick drift.
+	var/init_timeofday
+	var/init_time
+	var/tickdrift = 0
+
+	var/sleep_delta
+
+	var/make_runtime = 0
+
+	var/initializations_finished_with_no_players_logged_in	//I wonder what this could be?
+
+	// The type of the last subsystem to be process()'d.
+	var/last_type_processed
+
+	var/datum/controller/subsystem/queue_head //Start of queue linked list
+	var/datum/controller/subsystem/queue_tail //End of queue linked list (used for appending to the list)
+	var/queue_priority_count = 0 //Running total so that we don't have to loop thru the queue each run to split up the tick
+	var/queue_priority_count_bg = 0 //Same, but for background subsystems
+	var/map_loading = FALSE	//Are we loading in a new map?
+
+	var/current_runlevel	//for scheduling different subsystems for different stages of the round
+
+	var/static/restart_clear = 0
+	var/static/restart_timeout = 0
+	var/static/restart_count = 0
+	
+	//current tick limit, assigned before running a subsystem.
+	//used by CHECK_TICK as well so that the procs subsystems call can obey that SS's tick limits
+	var/static/current_ticklimit = TICK_LIMIT_RUNNING
+
+/datum/controller/master/New()
+	// Highlander-style: there can only be one! Kill off the old and replace it with the new.
+	subsystems = list()
+	if (Master != src)
+		if (istype(Master))
+			Recover()
+			qdel(Master)
+		else
+			init_subtypes(/datum/controller/subsystem, subsystems)
+		Master = src
+
+/datum/controller/master/Destroy()
+	..()
+	// Tell qdel() to Del() this object.
+	return QDEL_HINT_HARDDEL_NOW
+
+/datum/controller/master/Shutdown()
+	processing = FALSE
+	sortTim(subsystems, /proc/cmp_subsystem_init)
+	reverseRange(subsystems)
+	for(var/datum/controller/subsystem/ss in subsystems)
+		ss.Shutdown()
+
+// Returns 1 if we created a new mc, 0 if we couldn't due to a recent restart,
+//	-1 if we encountered a runtime trying to recreate it
+/proc/Recreate_MC()
+	. = -1 //so if we runtime, things know we failed
+	if (world.time < Master.restart_timeout)
+		return 0
+	if (world.time < Master.restart_clear)
+		Master.restart_count *= 0.5
+
+	var/delay = 50 * ++Master.restart_count
+	Master.restart_timeout = world.time + delay
+	Master.restart_clear = world.time + (delay * 2)
+	Master.processing = 0 //stop ticking this one
+	try
+		new/datum/controller/master()
+	catch
+		return -1
+	return 1
+
+
+/datum/controller/master/Recover()
+	var/msg = "## DEBUG: [time2text(world.timeofday)] MC restarted. Reports:\n"
+	for (var/varname in Master.vars)
+		switch (varname)
+			if("name", "tag", "bestF", "type", "parent_type", "vars", "statclick") // Built-in junk.
+				continue
+			else
+				var/varval = Master.vars[varname]
+				if (istype(varval, /datum)) // Check if it has a type var.
+					var/datum/D = varval
+					msg += "\t [varname] = [D]([D.type])\n"
+				else
+					msg += "\t [varname] = [varval]\n"
+	log_world(msg)
+
+	var/datum/controller/subsystem/BadBoy = Master.last_type_processed
+	var/FireHim = FALSE
+	if(istype(BadBoy))
+		msg = null
+		switch(++BadBoy.failure_strikes)
+			if(2)
+				msg = "The [BadBoy.name] subsystem was the last to fire for 2 controller restarts. It will be recovered now and disabled if it happens again."
+				FireHim = TRUE
+			if(3)
+				msg = "The [BadBoy.name] subsystem seems to be destabilizing the MC and will be offlined."
+				BadBoy.flags |= SS_NO_FIRE
+		if(msg)
+			log_game(msg)
+			message_admins("<span class='boldannounce'>[msg]</span>")
+			log_world(msg)
+
+	if (istype(Master.subsystems))
+		if(FireHim)
+			Master.subsystems += new BadBoy.type	//NEW_SS_GLOBAL will remove the old one
+		subsystems = Master.subsystems
+		current_runlevel = Master.current_runlevel
+		StartProcessing(10)
+	else
+		to_chat(world, "<span class='boldannounce'>The Master Controller is having some issues, we will need to re-initialize EVERYTHING</span>")
+		Initialize(20, TRUE)
+
+
+// Please don't stuff random bullshit here,
+// 	Make a subsystem, give it the SS_NO_FIRE flag, and do your work in it's Initialize()
+/datum/controller/master/Initialize(delay, init_sss)
+	set waitfor = 0
+
+	if(delay)
+		sleep(delay)
+
+	if(init_sss)
+		init_subtypes(/datum/controller/subsystem, subsystems)
+
+	to_chat(world, "<span class='boldannounce'>Initializing subsystems...</span>")
+
+	// Sort subsystems by init_order, so they initialize in the correct order.
+	sortTim(subsystems, /proc/cmp_subsystem_init)
+
+	var/start_timeofday = REALTIMEOFDAY
+	// Initialize subsystems.
+	current_ticklimit = config.tick_limit_mc_init
+	for (var/datum/controller/subsystem/SS in subsystems)
+		if (SS.flags & SS_NO_INIT)
+			continue
+		SS.Initialize(REALTIMEOFDAY)
+		CHECK_TICK
+	current_ticklimit = TICK_LIMIT_RUNNING
+	var/time = (REALTIMEOFDAY - start_timeofday) / 10
+
+	var/msg = "Initializations complete within [time] second[time == 1 ? "" : "s"]!"
+	to_chat(world, "<span class='boldannounce'>[msg]</span>")
+	log_world(msg)
+
+	if (!current_runlevel)
+		SetRunLevel(RUNLEVEL_LOBBY)
+
+	// Sort subsystems by display setting for easy access.
+	sortTim(subsystems, /proc/cmp_subsystem_display)
+	// Set world options.
+	#ifdef UNIT_TEST
+	world.sleep_offline = 0
+	#else
+	world.sleep_offline = 1
+	#endif
+	world.fps = config.fps
+	var/initialized_tod = REALTIMEOFDAY
+	sleep(1)
+	initializations_finished_with_no_players_logged_in = initialized_tod < REALTIMEOFDAY - 10
+	// Loop.
+	Master.StartProcessing(0)
+
+/datum/controller/master/proc/SetRunLevel(new_runlevel)
+	var/old_runlevel = isnull(current_runlevel) ? "NULL" : runlevel_flags[current_runlevel]
+	testing("MC: Runlevel changed from [old_runlevel] to [new_runlevel]")
+	current_runlevel = RUNLEVEL_FLAG_TO_INDEX(new_runlevel)
+	if(current_runlevel < 1)
+		CRASH("Attempted to set invalid runlevel: [new_runlevel]")
+
+// Starts the mc, and sticks around to restart it if the loop ever ends.
+/datum/controller/master/proc/StartProcessing(delay)
+	set waitfor = 0
+	if(delay)
+		sleep(delay)
+	var/rtn = Loop()
+	if (rtn > 0 || processing < 0)
+		return //this was suppose to happen.
+	//loop ended, restart the mc
+	log_game("MC crashed or runtimed, restarting")
+	message_admins("MC crashed or runtimed, restarting")
+	var/rtn2 = Recreate_MC()
+	if (rtn2 <= 0)
+		log_game("Failed to recreate MC (Error code: [rtn2]), it's up to the failsafe now")
+		message_admins("Failed to recreate MC (Error code: [rtn2]), it's up to the failsafe now")
+		Failsafe.defcon = 2
+
+// Main loop.
+/datum/controller/master/proc/Loop()
+	. = -1
+	//Prep the loop (most of this is because we want MC restarts to reset as much state as we can, and because
+	//	local vars rock
+
+	//all this shit is here so that flag edits can be refreshed by restarting the MC. (and for speed)
+	var/list/tickersubsystems = list()
+	var/list/runlevel_sorted_subsystems = list(list())	//ensure we always have at least one runlevel
+	var/timer = world.time
+	for (var/thing in subsystems)
+		var/datum/controller/subsystem/SS = thing
+		if (SS.flags & SS_NO_FIRE)
+			continue
+		SS.queued_time = 0
+		SS.queue_next = null
+		SS.queue_prev = null
+		SS.state = SS_IDLE
+		if (SS.flags & SS_TICKER)
+			tickersubsystems += SS
+			timer += world.tick_lag * rand(1, 5)
+			SS.next_fire = timer
+			continue
+
+		var/ss_runlevels = SS.runlevels
+		var/added_to_any = FALSE
+		for(var/I in 1 to global.runlevel_flags.len)
+			if(ss_runlevels & global.runlevel_flags[I])
+				while(runlevel_sorted_subsystems.len < I)
+					runlevel_sorted_subsystems += list(list())
+				runlevel_sorted_subsystems[I] += SS
+				added_to_any = TRUE
+		if(!added_to_any)
+			WARNING("[SS.name] subsystem is not SS_NO_FIRE but also does not have any runlevels set!")
+
+	queue_head = null
+	queue_tail = null
+	//these sort by lower priorities first to reduce the number of loops needed to add subsequent SS's to the queue
+	//(higher subsystems will be sooner in the queue, adding them later in the loop means we don't have to loop thru them next queue add)
+	sortTim(tickersubsystems, /proc/cmp_subsystem_priority)
+	for(var/I in runlevel_sorted_subsystems)
+		sortTim(runlevel_sorted_subsystems, /proc/cmp_subsystem_priority)
+		I += tickersubsystems
+
+	var/cached_runlevel = current_runlevel
+	var/list/current_runlevel_subsystems = runlevel_sorted_subsystems[cached_runlevel]
+
+	init_timeofday = REALTIMEOFDAY
+	init_time = world.time
+
+	iteration = 1
+	var/error_level = 0
+	var/sleep_delta = 0
+	var/list/subsystems_to_check
+	//the actual loop.
+	while (1)
+		tickdrift = max(0, MC_AVERAGE_FAST(tickdrift, (((REALTIMEOFDAY - init_timeofday) - (world.time - init_time)) / world.tick_lag)))
+		if (processing <= 0)
+			current_ticklimit = TICK_LIMIT_RUNNING
+			sleep(10)
+			continue
+
+		//if there are mutiple sleeping procs running before us hogging the cpu, we have to run later
+		//	because sleeps are processed in the order received, so longer sleeps are more likely to run first
+		if (world.tick_usage > TICK_LIMIT_MC)
+			sleep_delta += 2
+			current_ticklimit = TICK_LIMIT_RUNNING * 0.5
+			sleep(world.tick_lag * (processing + sleep_delta))
+			continue
+
+		sleep_delta = MC_AVERAGE_FAST(sleep_delta, 0)
+		if (last_run + (world.tick_lag * processing) > world.time)
+			sleep_delta += 1
+		if (world.tick_usage > (TICK_LIMIT_MC*0.5))
+			sleep_delta += 1
+
+		if (make_runtime)
+			var/datum/controller/subsystem/SS
+			SS.can_fire = 0
+		if (!Failsafe || (Failsafe.processing_interval > 0 && (Failsafe.lasttick+(Failsafe.processing_interval*5)) < world.time))
+			new/datum/controller/failsafe() // (re)Start the failsafe.
+		if (!queue_head || !(iteration % 3))
+			var/checking_runlevel = current_runlevel
+			if(cached_runlevel != checking_runlevel)
+				//resechedule subsystems
+				cached_runlevel = checking_runlevel
+				current_runlevel_subsystems = runlevel_sorted_subsystems[cached_runlevel]
+				var/stagger = world.time
+				for(var/I in current_runlevel_subsystems)
+					var/datum/controller/subsystem/SS = I
+					if(SS.next_fire <= world.time)
+						stagger += world.tick_lag * rand(1, 5)
+						SS.next_fire = stagger
+
+			subsystems_to_check = current_runlevel_subsystems
+		else
+			subsystems_to_check = tickersubsystems
+		if (CheckQueue(subsystems_to_check) <= 0)
+			if (!SoftReset(tickersubsystems, runlevel_sorted_subsystems))
+				log_world("MC: SoftReset() failed, crashing")
+				return
+			if (!error_level)
+				iteration++
+			error_level++
+			current_ticklimit = TICK_LIMIT_RUNNING
+			sleep(10)
+			continue
+
+		if (queue_head)
+			if (RunQueue() <= 0)
+				if (!SoftReset(tickersubsystems, runlevel_sorted_subsystems))
+					log_world("MC: SoftReset() failed, crashing")
+					return
+				if (!error_level)
+					iteration++
+				error_level++
+				current_ticklimit = TICK_LIMIT_RUNNING
+				sleep(10)
+				continue
+		error_level--
+		if (!queue_head) //reset the counts if the queue is empty, in the off chance they get out of sync
+			queue_priority_count = 0
+			queue_priority_count_bg = 0
+
+		iteration++
+		last_run = world.time
+		src.sleep_delta = MC_AVERAGE_FAST(src.sleep_delta, sleep_delta)
+		current_ticklimit = TICK_LIMIT_RUNNING - (TICK_LIMIT_RUNNING * 0.25) //reserve the tail 1/4 of the next tick for the mc.
+		sleep(world.tick_lag * (processing + sleep_delta))
+
+
+
+
+// This is what decides if something should run.
+/datum/controller/master/proc/CheckQueue(list/subsystemstocheck)
+	. = 0 //so the mc knows if we runtimed
+
+	//we create our variables outside of the loops to save on overhead
+	var/datum/controller/subsystem/SS
+	var/SS_flags
+
+	for (var/thing in subsystemstocheck)
+		if (!thing)
+			subsystemstocheck -= thing
+		SS = thing
+		if (SS.state != SS_IDLE)
+			continue
+		if (SS.can_fire <= 0)
+			continue
+		if (SS.next_fire > world.time)
+			continue
+		SS_flags = SS.flags
+		if (SS_flags & SS_NO_FIRE)
+			subsystemstocheck -= SS
+			continue
+		if (!(SS_flags & SS_TICKER) && (SS_flags & SS_KEEP_TIMING) && SS.last_fire + (SS.wait * 0.75) > world.time)
+			continue
+		SS.enqueue()
+	. = 1
+
+
+// Run thru the queue of subsystems to run, running them while balancing out their allocated tick precentage
+/datum/controller/master/proc/RunQueue()
+	. = 0
+	var/datum/controller/subsystem/queue_node
+	var/queue_node_flags
+	var/queue_node_priority
+	var/queue_node_paused
+
+	var/current_tick_budget
+	var/tick_precentage
+	var/tick_remaining
+	var/ran = TRUE //this is right
+	var/ran_non_ticker = FALSE
+	var/bg_calc //have we swtiched current_tick_budget to background mode yet?
+	var/tick_usage
+
+	//keep running while we have stuff to run and we haven't gone over a tick
+	//	this is so subsystems paused eariler can use tick time that later subsystems never used
+	while (ran && queue_head && world.tick_usage < TICK_LIMIT_MC)
+		ran = FALSE
+		bg_calc = FALSE
+		current_tick_budget = queue_priority_count
+		queue_node = queue_head
+		while (queue_node)
+			if (ran && world.tick_usage > TICK_LIMIT_RUNNING)
+				break
+
+			queue_node_flags = queue_node.flags
+			queue_node_priority = queue_node.queued_priority
+
+			//super special case, subsystems where we can't make them pause mid way through
+			//if we can't run them this tick (without going over a tick)
+			//we bump up their priority and attempt to run them next tick
+			//(unless we haven't even ran anything this tick, since its unlikely they will ever be able run
+			//	in those cases, so we just let them run)
+			if (queue_node_flags & SS_NO_TICK_CHECK)
+				if (queue_node.tick_usage > TICK_LIMIT_RUNNING - world.tick_usage && ran_non_ticker)
+					queue_node.queued_priority += queue_priority_count * 0.10
+					queue_priority_count -= queue_node_priority
+					queue_priority_count += queue_node.queued_priority
+					current_tick_budget -= queue_node_priority
+					queue_node = queue_node.queue_next
+					continue
+
+			if ((queue_node_flags & SS_BACKGROUND) && !bg_calc)
+				current_tick_budget = queue_priority_count_bg
+				bg_calc = TRUE
+
+			tick_remaining = TICK_LIMIT_RUNNING - world.tick_usage
+
+			if (current_tick_budget > 0 && queue_node_priority > 0)
+				tick_precentage = tick_remaining / (current_tick_budget / queue_node_priority)
+			else
+				tick_precentage = tick_remaining
+
+			current_ticklimit = world.tick_usage + tick_precentage
+
+			if (!(queue_node_flags & SS_TICKER))
+				ran_non_ticker = TRUE
+			ran = TRUE
+			tick_usage = world.tick_usage
+			queue_node_paused = (queue_node.state == SS_PAUSED || queue_node.state == SS_PAUSING)
+			last_type_processed = queue_node
+
+			queue_node.state = SS_RUNNING
+
+			var/state = queue_node.ignite(queue_node_paused)
+			if (state == SS_RUNNING)
+				state = SS_IDLE
+			current_tick_budget -= queue_node_priority
+			tick_usage = world.tick_usage - tick_usage
+
+			if (tick_usage < 0)
+				tick_usage = 0
+
+			queue_node.state = state
+
+			if (state == SS_PAUSED)
+				queue_node.paused_ticks++
+				queue_node.paused_tick_usage += tick_usage
+				queue_node = queue_node.queue_next
+				continue
+
+			queue_node.ticks = MC_AVERAGE(queue_node.ticks, queue_node.paused_ticks)
+			tick_usage += queue_node.paused_tick_usage
+
+			queue_node.tick_usage = MC_AVERAGE_FAST(queue_node.tick_usage, tick_usage)
+
+			queue_node.cost = MC_AVERAGE_FAST(queue_node.cost, TICK_DELTA_TO_MS(tick_usage))
+			queue_node.paused_ticks = 0
+			queue_node.paused_tick_usage = 0
+
+			if (queue_node_flags & SS_BACKGROUND) //update our running total
+				queue_priority_count_bg -= queue_node_priority
+			else
+				queue_priority_count -= queue_node_priority
+
+			queue_node.last_fire = world.time
+			queue_node.times_fired++
+
+			if (queue_node_flags & SS_TICKER)
+				queue_node.next_fire = world.time + (world.tick_lag * queue_node.wait)
+			else if (queue_node_flags & SS_POST_FIRE_TIMING)
+				queue_node.next_fire = world.time + queue_node.wait
+			else if (queue_node_flags & SS_KEEP_TIMING)
+				queue_node.next_fire += queue_node.wait
+			else
+				queue_node.next_fire = queue_node.queued_time + queue_node.wait
+
+			queue_node.queued_time = 0
+
+			//remove from queue
+			queue_node.dequeue()
+
+			queue_node = queue_node.queue_next
+
+	. = 1
+
+//resets the queue, and all subsystems, while filtering out the subsystem lists
+//	called if any mc's queue procs runtime or exit improperly.
+/datum/controller/master/proc/SoftReset(list/ticker_SS, list/runlevel_SS)
+	. = 0
+	log_world("MC: SoftReset called, resetting MC queue state.")
+	if (!istype(subsystems) || !istype(ticker_SS) || !istype(runlevel_SS))
+		log_world("MC: SoftReset: Bad list contents: '[subsystems]' '[ticker_SS]' '[runlevel_SS]'")
+		return
+	var/subsystemstocheck = subsystems + ticker_SS
+	for(var/I in runlevel_SS)
+		subsystemstocheck |= I
+
+	for (var/thing in subsystemstocheck)
+		var/datum/controller/subsystem/SS = thing
+		if (!SS || !istype(SS))
+			//list(SS) is so if a list makes it in the subsystem list, we remove the list, not the contents
+			subsystems -= list(SS)
+			ticker_SS -= list(SS)
+			for(var/I in runlevel_SS)
+				I -= list(SS)
+			log_world("MC: SoftReset: Found bad entry in subsystem list, '[SS]'")
+			continue
+		if (SS.queue_next && !istype(SS.queue_next))
+			log_world("MC: SoftReset: Found bad data in subsystem queue, queue_next = '[SS.queue_next]'")
+		SS.queue_next = null
+		if (SS.queue_prev && !istype(SS.queue_prev))
+			log_world("MC: SoftReset: Found bad data in subsystem queue, queue_prev = '[SS.queue_prev]'")
+		SS.queue_prev = null
+		SS.queued_priority = 0
+		SS.queued_time = 0
+		SS.state = SS_IDLE
+	if (queue_head && !istype(queue_head))
+		log_world("MC: SoftReset: Found bad data in subsystem queue, queue_head = '[queue_head]'")
+	queue_head = null
+	if (queue_tail && !istype(queue_tail))
+		log_world("MC: SoftReset: Found bad data in subsystem queue, queue_tail = '[queue_tail]'")
+	queue_tail = null
+	queue_priority_count = 0
+	queue_priority_count_bg = 0
+	log_world("MC: SoftReset: Finished.")
+	. = 1
+
+
+
+/datum/controller/master/stat_entry()
+	if(!statclick)
+		statclick = new/obj/effect/statclick/debug(null, "Initializing...", src)
+
+	stat("Byond:", "(FPS:[world.fps]) (TickCount:[world.time/world.tick_lag]) (TickDrift:[round(Master.tickdrift,1)]([round((Master.tickdrift/(world.time/world.tick_lag))*100,0.1)]%))")
+	stat("Master Controller:", statclick.update("(TickRate:[Master.processing]) (Iteration:[Master.iteration])"))
+
+/datum/controller/master/StartLoadingMap()
+	//disallow more than one map to load at once, multithreading it will just cause race conditions
+	while(map_loading)
+		stoplag()
+	for(var/S in subsystems)
+		var/datum/controller/subsystem/SS = S
+		SS.StartLoadingMap()
+	map_loading = TRUE
+
+/datum/controller/master/StopLoadingMap(bounds = null)
+	map_loading = FALSE
+	for(var/S in subsystems)
+		var/datum/controller/subsystem/SS = S
+		SS.StopLoadingMap()

code/controllers/master_controller.dm

@@ -2,6 +2,10 @@
 //It ensures master_controller.process() is never doubled up by killing the MC (hence terminating any of its sleeping procs)
 //WIP, needs lots of work still
 
+//
+// TODO - This will be completely replaced by master.dm in time.
+//
+
 var/global/datum/controller/game_controller/master_controller //Set in world.New()
 
 var/global/controller_iteration = 0
@@ -31,8 +35,6 @@ datum/controller/game_controller/New()
 	if(!syndicate_code_response)	syndicate_code_response	= generate_code_phrase()
 
 datum/controller/game_controller/proc/setup()
-	world.tick_lag = config.Ticklag
-
 	spawn(20)
 		createRandomZlevel()
 
@@ -47,7 +49,7 @@ datum/controller/game_controller/proc/setup_objects()
 	admin_notice("<span class='danger'>Initializing objects</span>", R_DEBUG)
 	sleep(-1)
 	for(var/atom/movable/object in world)
-		if(isnull(object.gcDestroyed))
+		if(!QDELETED(object))
 			object.initialize()
 
 	admin_notice("<span class='danger'>Initializing areas</span>", R_DEBUG)
@@ -78,8 +80,8 @@ datum/controller/game_controller/proc/setup_objects()
 
 	admin_notice("<span class='danger'>Initializing turbolifts</span>", R_DEBUG)
 	for(var/thing in turbolifts)
-		if(!deleted(thing))
-			var/obj/turbolift_map_holder/lift = thing
+		var/obj/turbolift_map_holder/lift = thing
+		if(!QDELETED(lift))
 			lift.initialize()
 			sleep(-1)
 

code/controllers/shuttle_controller.dm

@@ -15,8 +15,13 @@ var/global/datum/shuttle_controller/shuttle_controller
 
 //This is called by gameticker after all the machines and radio frequencies have been properly initialized
 /datum/shuttle_controller/proc/setup_shuttle_docks()
-	for(var/shuttle_tag in shuttles)
-		var/datum/shuttle/shuttle = shuttles[shuttle_tag]
+//	for(var/shuttle_tag in shuttles)
+//		var/datum/shuttle/shuttle = shuttles[shuttle_tag]
+	for(var/shuttle_type in subtypesof(/datum/shuttle))
+		var/datum/shuttle/shuttle = shuttle_type
+		if(initial(shuttle.category) == shuttle_type)
+			continue
+		shuttle = new shuttle()
 		shuttle.init_docking_controllers()
 		shuttle.dock() //makes all shuttles docked to something at round start go into the docked state
 
@@ -28,311 +33,3 @@ var/global/datum/shuttle_controller/shuttle_controller
 	shuttles = list()
 	process_shuttles = list()
 
-	var/datum/shuttle/ferry/shuttle
-
-	// Escape shuttle and pods
-	shuttle = new/datum/shuttle/ferry/emergency()
-	shuttle.location = 1
-	shuttle.warmup_time = 10
-	shuttle.area_offsite = locate(/area/shuttle/escape/centcom)
-	shuttle.area_station = locate(/area/shuttle/escape/station)
-	shuttle.area_transition = locate(/area/shuttle/escape/transit)
-	shuttle.docking_controller_tag = "escape_shuttle"
-	shuttle.dock_target_station = "escape_dock"
-	shuttle.dock_target_offsite = "centcom_dock"
-	shuttle.transit_direction = NORTH
-	shuttle.move_time = SHUTTLE_TRANSIT_DURATION_RETURN
-	//shuttle.docking_controller_tag = "supply_shuttle"
-	//shuttle.dock_target_station = "cargo_bay"
-	shuttles["Escape"] = shuttle
-	process_shuttles += shuttle
-
-	shuttle = new/datum/shuttle/ferry/escape_pod()
-	shuttle.location = 0
-	shuttle.warmup_time = 0
-	shuttle.area_station = locate(/area/shuttle/escape_pod1/station)
-	shuttle.area_offsite = locate(/area/shuttle/escape_pod1/centcom)
-	shuttle.area_transition = locate(/area/shuttle/escape_pod1/transit)
-	shuttle.docking_controller_tag = "escape_pod_1"
-	shuttle.dock_target_station = "escape_pod_1_berth"
-	shuttle.dock_target_offsite = "escape_pod_1_recovery"
-	shuttle.transit_direction = NORTH
-	shuttle.move_time = SHUTTLE_TRANSIT_DURATION_RETURN + rand(-30, 60)	//randomize this so it seems like the pods are being picked up one by one
-	process_shuttles += shuttle
-	shuttles["Escape Pod 1"] = shuttle
-
-	shuttle = new/datum/shuttle/ferry/escape_pod()
-	shuttle.location = 0
-	shuttle.warmup_time = 0
-	shuttle.area_station = locate(/area/shuttle/escape_pod2/station)
-	shuttle.area_offsite = locate(/area/shuttle/escape_pod2/centcom)
-	shuttle.area_transition = locate(/area/shuttle/escape_pod2/transit)
-	shuttle.docking_controller_tag = "escape_pod_2"
-	shuttle.dock_target_station = "escape_pod_2_berth"
-	shuttle.dock_target_offsite = "escape_pod_2_recovery"
-	shuttle.transit_direction = NORTH
-	shuttle.move_time = SHUTTLE_TRANSIT_DURATION_RETURN + rand(-30, 60)	//randomize this so it seems like the pods are being picked up one by one
-	process_shuttles += shuttle
-	shuttles["Escape Pod 2"] = shuttle
-
-	shuttle = new/datum/shuttle/ferry/escape_pod()
-	shuttle.location = 0
-	shuttle.warmup_time = 0
-	shuttle.area_station = locate(/area/shuttle/escape_pod3/station)
-	shuttle.area_offsite = locate(/area/shuttle/escape_pod3/centcom)
-	shuttle.area_transition = locate(/area/shuttle/escape_pod3/transit)
-	shuttle.docking_controller_tag = "escape_pod_3"
-	shuttle.dock_target_station = "escape_pod_3_berth"
-	shuttle.dock_target_offsite = "escape_pod_3_recovery"
-	shuttle.transit_direction = NORTH
-	shuttle.move_time = SHUTTLE_TRANSIT_DURATION_RETURN + rand(-30, 60)	//randomize this so it seems like the pods are being picked up one by one
-	process_shuttles += shuttle
-	shuttles["Escape Pod 3"] = shuttle
-
-	shuttle = new/datum/shuttle/ferry/escape_pod()
-	shuttle.location = 0
-	shuttle.warmup_time = 0
-	shuttle.area_station = locate(/area/shuttle/escape_pod4/station)
-	shuttle.area_offsite = locate(/area/shuttle/escape_pod4/centcom)
-	shuttle.area_transition = locate(/area/shuttle/escape_pod4/transit)
-	shuttle.docking_controller_tag = "escape_pod_4"
-	shuttle.dock_target_station = "escape_pod_4_berth"
-	shuttle.dock_target_offsite = "escape_pod_4_recovery"
-	shuttle.transit_direction = NORTH //should this be SOUTH? I have no idea.
-	shuttle.move_time = SHUTTLE_TRANSIT_DURATION_RETURN + rand(-30, 60)	//randomize this so it seems like the pods are being picked up one by one
-	process_shuttles += shuttle
-	shuttles["Escape Pod 4"] = shuttle
-
-	shuttle = new/datum/shuttle/ferry/escape_pod()
-	shuttle.location = 0
-	shuttle.warmup_time = 0
-	shuttle.area_station = locate(/area/shuttle/escape_pod5/station)
-	shuttle.area_offsite = locate(/area/shuttle/escape_pod5/centcom)
-	shuttle.area_transition = locate(/area/shuttle/escape_pod5/transit)
-	shuttle.docking_controller_tag = "escape_pod_5"
-	shuttle.dock_target_station = "escape_pod_5_berth"
-	shuttle.dock_target_offsite = "escape_pod_5_recovery"
-	shuttle.transit_direction = NORTH //should this be WEST? I have no idea.
-	shuttle.move_time = SHUTTLE_TRANSIT_DURATION_RETURN + rand(-30, 60)	//randomize this so it seems like the pods are being picked up one by one
-	process_shuttles += shuttle
-	shuttles["Escape Pod 5"] = shuttle
-
-	shuttle = new/datum/shuttle/ferry/escape_pod()
-	shuttle.location = 0
-	shuttle.warmup_time = 0
-	shuttle.area_station = locate(/area/shuttle/escape_pod6/station)
-	shuttle.area_offsite = locate(/area/shuttle/escape_pod6/centcom)
-	shuttle.area_transition = locate(/area/shuttle/escape_pod6/transit)
-	shuttle.docking_controller_tag = "escape_pod_6"
-	shuttle.dock_target_station = "escape_pod_6_berth"
-	shuttle.dock_target_offsite = "escape_pod_6_recovery"
-	shuttle.transit_direction = NORTH //should this be WEST? I have no idea.
-	shuttle.move_time = SHUTTLE_TRANSIT_DURATION_RETURN + rand(-30, 60)	//randomize this so it seems like the pods are being picked up one by one
-	process_shuttles += shuttle
-	shuttles["Escape Pod 6"] = shuttle
-
-	shuttle = new/datum/shuttle/ferry/escape_pod()
-	shuttle.location = 0
-	shuttle.warmup_time = 0
-	shuttle.area_station = locate(/area/shuttle/cryo/station)
-	shuttle.area_offsite = locate(/area/shuttle/cryo/centcom)
-	shuttle.area_transition = locate(/area/shuttle/cryo/transit)
-	shuttle.docking_controller_tag = "cryostorage_shuttle"
-	shuttle.dock_target_station = "cryostorage_shuttle_berth"
-	shuttle.dock_target_offsite = "cryostorage_shuttle_recovery"
-	shuttle.transit_direction = NORTH //should this be WEST? I have no idea.
-	shuttle.move_time = SHUTTLE_TRANSIT_DURATION_RETURN + rand(-30, 60)	//randomize this so it seems like the pods are being picked up one by one
-	process_shuttles += shuttle
-	shuttles["Cryostorage Shuttle"] = shuttle
-
-	shuttle = new/datum/shuttle/ferry/escape_pod()
-	shuttle.location = 0
-	shuttle.warmup_time = 0
-	shuttle.area_station = locate(/area/shuttle/large_escape_pod1/station)
-	shuttle.area_offsite = locate(/area/shuttle/large_escape_pod1/centcom)
-	shuttle.area_transition = locate(/area/shuttle/large_escape_pod1/transit)
-	shuttle.docking_controller_tag = "large_escape_pod_1"
-	shuttle.dock_target_station = "large_escape_pod_1_berth"
-	shuttle.dock_target_offsite = "large_escape_pod_1_recovery"
-	shuttle.transit_direction = EAST //should this be WEST? I have no idea.
-	shuttle.move_time = SHUTTLE_TRANSIT_DURATION_RETURN + rand(-30, 60)	//randomize this so it seems like the pods are being picked up one by one
-	process_shuttles += shuttle
-	shuttles["Large Escape Pod 1"] = shuttle
-
-	shuttle = new/datum/shuttle/ferry/escape_pod()
-	shuttle.location = 0
-	shuttle.warmup_time = 0
-	shuttle.area_station = locate(/area/shuttle/large_escape_pod2/station)
-	shuttle.area_offsite = locate(/area/shuttle/large_escape_pod2/centcom)
-	shuttle.area_transition = locate(/area/shuttle/large_escape_pod2/transit)
-	shuttle.docking_controller_tag = "large_escape_pod_2"
-	shuttle.dock_target_station = "large_escape_pod_2_berth"
-	shuttle.dock_target_offsite = "large_escape_pod_2_recovery"
-	shuttle.transit_direction = EAST //should this be WEST? I have no idea.
-	shuttle.move_time = SHUTTLE_TRANSIT_DURATION_RETURN + rand(-30, 60)	//randomize this so it seems like the pods are being picked up one by one
-	process_shuttles += shuttle
-	shuttles["Large Escape Pod 2"] = shuttle
-
-	//give the emergency shuttle controller it's shuttles
-	emergency_shuttle.shuttle = shuttles["Escape"]
-	emergency_shuttle.escape_pods = list(
-		shuttles["Escape Pod 1"],
-		shuttles["Escape Pod 2"],
-		shuttles["Escape Pod 3"],
-		shuttles["Escape Pod 4"],
-		shuttles["Escape Pod 5"],
-		shuttles["Escape Pod 6"],
-		shuttles["Cryostorage Shuttle"],
-		shuttles["Large Escape Pod 1"],
-		shuttles["Large Escape Pod 2"],
-	)
-
-	// Supply shuttle
-	shuttle = new/datum/shuttle/ferry/supply()
-	shuttle.location = 1
-	shuttle.warmup_time = 10
-	shuttle.area_offsite = locate(/area/supply/dock)
-	shuttle.area_station = locate(/area/supply/station)
-	shuttle.docking_controller_tag = "supply_shuttle"
-	shuttle.dock_target_station = "cargo_bay"
-	shuttles["Supply"] = shuttle
-	process_shuttles += shuttle
-
-	supply_controller.shuttle = shuttle
-
-	// Admin shuttles.
-	shuttle = new()
-	shuttle.location = 1
-	shuttle.warmup_time = 10
-	shuttle.area_offsite = locate(/area/shuttle/transport1/centcom)
-	shuttle.area_station = locate(/area/shuttle/transport1/station)
-	shuttle.docking_controller_tag = "centcom_shuttle"
-	shuttle.dock_target_station = "centcom_shuttle_dock_airlock"
-	shuttle.dock_target_offsite = "centcom_shuttle_bay"
-	shuttles["CentCom"] = shuttle
-	process_shuttles += shuttle
-
-	shuttle = new()
-	shuttle.location = 1
-	shuttle.warmup_time = 10	//want some warmup time so people can cancel.
-	shuttle.area_offsite = locate(/area/shuttle/administration/centcom)
-	shuttle.area_station = locate(/area/shuttle/administration/station)
-	shuttle.docking_controller_tag = "admin_shuttle"
-	shuttle.dock_target_station = "admin_shuttle_dock_airlock"
-	shuttle.dock_target_offsite = "admin_shuttle_bay"
-	shuttles["Administration"] = shuttle
-	process_shuttles += shuttle
-
-	shuttle = new()
-	shuttle.location = 1
-	shuttle.warmup_time = 10	//want some warmup time so people can cancel.
-	shuttle.area_offsite = locate(/area/shuttle/trade/centcom)
-	shuttle.area_station = locate(/area/shuttle/trade/station)
-	shuttle.docking_controller_tag = "trade_shuttle"
-	shuttle.dock_target_station = "trade_shuttle_dock_airlock"
-	shuttle.dock_target_offsite = "trade_shuttle_bay"
-	shuttles["Trade"] = shuttle
-	process_shuttles += shuttle
-
-	shuttle = new()
-	shuttle.area_offsite = locate(/area/shuttle/alien/base)
-	shuttle.area_station = locate(/area/shuttle/alien/mine)
-	shuttles["Alien"] = shuttle
-	//process_shuttles += shuttle	//don't need to process this. It can only be moved using admin magic anyways.
-
-	// Public shuttles
-	shuttle = new()
-	shuttle.warmup_time = 10
-	shuttle.area_offsite = locate(/area/shuttle/constructionsite/site)
-	shuttle.area_station = locate(/area/shuttle/constructionsite/station)
-	shuttle.docking_controller_tag = "engineering_shuttle"
-	shuttle.dock_target_station = "engineering_dock_airlock"
-	shuttle.dock_target_offsite = "edock_airlock"
-	shuttles["Engineering"] = shuttle
-	process_shuttles += shuttle
-
-	shuttle = new()
-	shuttle.warmup_time = 10
-	shuttle.area_offsite = locate(/area/shuttle/mining/outpost)
-	shuttle.area_station = locate(/area/shuttle/mining/station)
-	shuttle.docking_controller_tag = "mining_shuttle"
-	shuttle.dock_target_station = "mining_dock_airlock"
-	shuttle.dock_target_offsite = "mining_outpost_airlock"
-	shuttles["Mining"] = shuttle
-	process_shuttles += shuttle
-
-	shuttle = new()
-	shuttle.warmup_time = 10
-	shuttle.area_offsite = locate(/area/shuttle/research/outpost)
-	shuttle.area_station = locate(/area/shuttle/research/station)
-	shuttle.docking_controller_tag = "research_shuttle"
-	shuttle.dock_target_station = "research_dock_airlock"
-	shuttle.dock_target_offsite = "research_outpost_dock"
-	shuttles["Research"] = shuttle
-	process_shuttles += shuttle
-
-	// ERT Shuttle
-	var/datum/shuttle/ferry/multidock/specops/ERT = new()
-	ERT.location = 0
-	ERT.warmup_time = 10
-	ERT.area_offsite = locate(/area/shuttle/specops/station)	//centcom is the home station, the player station is offsite
-	ERT.area_station = locate(/area/shuttle/specops/centcom)
-	ERT.docking_controller_tag = "specops_shuttle_port"
-	ERT.docking_controller_tag_station = "specops_shuttle_port"
-	ERT.docking_controller_tag_offsite = "specops_shuttle_fore"
-	ERT.dock_target_station = "specops_centcom_dock"
-	ERT.dock_target_offsite = "specops_dock_airlock"
-	shuttles["Special Operations"] = ERT
-	process_shuttles += ERT
-
-	//Skipjack.
-	var/datum/shuttle/multi_shuttle/VS = new/datum/shuttle/multi_shuttle()
-	VS.origin = locate(/area/skipjack_station/start)
-
-	VS.destinations = list(
-		"Fore Starboard Solars" = locate(/area/skipjack_station/northeast_solars),
-		"Fore Port Solars" = locate(/area/skipjack_station/northwest_solars),
-		"Aft Starboard Solars" = locate(/area/skipjack_station/southeast_solars),
-		"Aft Port Solars" = locate(/area/skipjack_station/southwest_solars),
-		"Mining Station" = locate(/area/skipjack_station/mining)
-		)
-
-	VS.announcer = "Colony Automated Radar Array"
-	VS.arrival_message = "Attention.  Unidentified object approaching the colony."
-	VS.departure_message = "Attention.  Unidentified object exiting local space.  Unidentified object expected to escape Kara gravity well with current velocity."
-	VS.interim = locate(/area/skipjack_station/transit)
-
-	VS.warmup_time = 0
-	shuttles["Skipjack"] = VS
-
-	//Nuke Ops shuttle.
-	var/datum/shuttle/multi_shuttle/MS = new/datum/shuttle/multi_shuttle()
-	MS.origin = locate(/area/syndicate_station/start)
-	MS.start_location = "Mercenary Base"
-
-	MS.destinations = list(
-		"Northwest of the station" = locate(/area/syndicate_station/northwest),
-		"North of the station" = locate(/area/syndicate_station/north),
-		"Northeast of the station" = locate(/area/syndicate_station/northeast),
-		"Southwest of the station" = locate(/area/syndicate_station/southwest),
-		"South of the station" = locate(/area/syndicate_station/south),
-		"Southeast of the station" = locate(/area/syndicate_station/southeast),
-		"Telecomms Satellite" = locate(/area/syndicate_station/commssat),
-		"Mining Station" = locate(/area/syndicate_station/mining),
-		"Arrivals dock" = locate(/area/syndicate_station/arrivals_dock),
-		)
-
-	MS.docking_controller_tag = "merc_shuttle"
-	MS.destination_dock_targets = list(
-		"Mercenary Base" = "merc_base",
-		"Arrivals dock" = "nuke_shuttle_dock_airlock",
-		)
-
-	MS.announcer = "Automated Traffic Control"
-	MS.arrival_message = "Attention.  A vessel is approaching the colony."
-	MS.departure_message = "Attention.  A vessel is now leaving from the colony."
-	MS.interim = locate(/area/syndicate_station/transit)
-
-	MS.warmup_time = 0
-	shuttles["Mercenary"] = MS
-

code/controllers/subsystem.dm

@@ -0,0 +1,202 @@
+/datum/controller/subsystem
+	// Metadata; you should define these.
+	name = "fire coderbus" //name of the subsystem
+	var/init_order = 0		//order of initialization. Higher numbers are initialized first, lower numbers later. Can be decimal and negative values.
+	var/wait = 20			//time to wait (in deciseconds) between each call to fire(). Must be a positive integer.
+	var/priority = 50		//When mutiple subsystems need to run in the same tick, higher priority subsystems will run first and be given a higher share of the tick before MC_TICK_CHECK triggers a sleep
+
+	var/flags = 0			//see MC.dm in __DEFINES Most flags must be set on world start to take full effect. (You can also restart the mc to force them to process again)
+	var/runlevels = RUNLEVELS_DEFAULT	//points of the game at which the SS can fire
+
+	//set to 0 to prevent fire() calls, mostly for admin use or subsystems that may be resumed later
+	//	use the SS_NO_FIRE flag instead for systems that never fire to keep it from even being added to the list
+	var/can_fire = TRUE
+
+	// Bookkeeping variables; probably shouldn't mess with these.
+	var/last_fire = 0		//last world.time we called fire()
+	var/next_fire = 0		//scheduled world.time for next fire()
+	var/cost = 0			//average time to execute
+	var/tick_usage = 0		//average tick usage
+	var/state = SS_IDLE		//tracks the current state of the ss, running, paused, etc.
+	var/paused_ticks = 0	//ticks this ss is taking to run right now.
+	var/paused_tick_usage	//total tick_usage of all of our runs while pausing this run
+	var/ticks = 1			//how many ticks does this ss take to run on avg.
+	var/times_fired = 0		//number of times we have called fire()
+	var/queued_time = 0		//time we entered the queue, (for timing and priority reasons)
+	var/queued_priority 	//we keep a running total to make the math easier, if priority changes mid-fire that would break our running total, so we store it here
+	//linked list stuff for the queue
+	var/datum/controller/subsystem/queue_next
+	var/datum/controller/subsystem/queue_prev
+
+	var/static/failure_strikes = 0 //How many times we suspect this subsystem has crashed the MC, 3 strikes and you're out!
+
+//Do not override
+/datum/controller/subsystem/New()
+	return
+
+// Used to initialize the subsystem BEFORE the map has loaded
+// Called AFTER Recover if that is called
+// Prefer to use Initialize if possible
+/datum/controller/subsystem/proc/PreInit()
+	return
+
+//This is used so the mc knows when the subsystem sleeps. do not override.
+/datum/controller/subsystem/proc/ignite(resumed = 0)
+	set waitfor = 0
+	. = SS_SLEEPING
+	fire(resumed)
+	. = state
+	if (state == SS_SLEEPING)
+		state = SS_IDLE
+	if (state == SS_PAUSING)
+		var/QT = queued_time
+		enqueue()
+		state = SS_PAUSED
+		queued_time = QT
+
+//previously, this would have been named 'process()' but that name is used everywhere for different things!
+//fire() seems more suitable. This is the procedure that gets called every 'wait' deciseconds.
+//Sleeping in here prevents future fires until returned.
+/datum/controller/subsystem/proc/fire(resumed = 0)
+	flags |= SS_NO_FIRE
+	throw EXCEPTION("Subsystem [src]([type]) does not fire() but did not set the SS_NO_FIRE flag. Please add the SS_NO_FIRE flag to any subsystem that doesn't fire so it doesn't get added to the processing list and waste cpu.")
+
+/datum/controller/subsystem/Destroy()
+	dequeue()
+	can_fire = 0
+	flags |= SS_NO_FIRE
+	Master.subsystems -= src
+
+
+//Queue it to run.
+//	(we loop thru a linked list until we get to the end or find the right point)
+//	(this lets us sort our run order correctly without having to re-sort the entire already sorted list)
+/datum/controller/subsystem/proc/enqueue()
+	var/SS_priority = priority
+	var/SS_flags = flags
+	var/datum/controller/subsystem/queue_node
+	var/queue_node_priority
+	var/queue_node_flags
+
+	for (queue_node = Master.queue_head; queue_node; queue_node = queue_node.queue_next)
+		queue_node_priority = queue_node.queued_priority
+		queue_node_flags = queue_node.flags
+
+		if (queue_node_flags & SS_TICKER)
+			if (!(SS_flags & SS_TICKER))
+				continue
+			if (queue_node_priority < SS_priority)
+				break
+
+		else if (queue_node_flags & SS_BACKGROUND)
+			if (!(SS_flags & SS_BACKGROUND))
+				break
+			if (queue_node_priority < SS_priority)
+				break
+
+		else
+			if (SS_flags & SS_BACKGROUND)
+				continue
+			if (SS_flags & SS_TICKER)
+				break
+			if (queue_node_priority < SS_priority)
+				break
+
+	queued_time = world.time
+	queued_priority = SS_priority
+	state = SS_QUEUED
+	if (SS_flags & SS_BACKGROUND) //update our running total
+		Master.queue_priority_count_bg += SS_priority
+	else
+		Master.queue_priority_count += SS_priority
+
+	queue_next = queue_node
+	if (!queue_node)//we stopped at the end, add to tail
+		queue_prev = Master.queue_tail
+		if (Master.queue_tail)
+			Master.queue_tail.queue_next = src
+		else //empty queue, we also need to set the head
+			Master.queue_head = src
+		Master.queue_tail = src
+
+	else if (queue_node == Master.queue_head)//insert at start of list
+		Master.queue_head.queue_prev = src
+		Master.queue_head = src
+		queue_prev = null
+	else
+		queue_node.queue_prev.queue_next = src
+		queue_prev = queue_node.queue_prev
+		queue_node.queue_prev = src
+
+
+/datum/controller/subsystem/proc/dequeue()
+	if (queue_next)
+		queue_next.queue_prev = queue_prev
+	if (queue_prev)
+		queue_prev.queue_next = queue_next
+	if (src == Master.queue_tail)
+		Master.queue_tail = queue_prev
+	if (src == Master.queue_head)
+		Master.queue_head = queue_next
+	queued_time = 0
+	if (state == SS_QUEUED)
+		state = SS_IDLE
+
+
+/datum/controller/subsystem/proc/pause()
+	. = 1
+	switch(state)
+		if(SS_RUNNING)
+			state = SS_PAUSED
+		if(SS_SLEEPING)
+			state = SS_PAUSING
+
+
+//used to initialize the subsystem AFTER the map has loaded
+/datum/controller/subsystem/Initialize(start_timeofday)
+	var/time = (REALTIMEOFDAY - start_timeofday) / 10
+	var/msg = "Initialized [name] subsystem within [time] second[time == 1 ? "" : "s"]!"
+	to_chat(world, "<span class='boldannounce'>[msg]</span>")
+	log_world(msg)
+	return time
+
+//hook for printing stats to the "MC" statuspanel for admins to see performance and related stats etc.
+/datum/controller/subsystem/stat_entry(msg)
+	if(!statclick)
+		statclick = new/obj/effect/statclick/debug(null, "Initializing...", src)
+
+
+
+	if(can_fire && !(SS_NO_FIRE in flags))
+		msg = "[round(cost,1)]ms|[round(tick_usage,1)]%|[round(ticks,0.1)]\t[msg]"
+	else
+		msg = "OFFLINE\t[msg]"
+
+	var/title = name
+	if (can_fire)
+		title = "\[[state_letter()]][title]"
+
+	stat(title, statclick.update(msg))
+
+/datum/controller/subsystem/proc/state_letter()
+	switch (state)
+		if (SS_RUNNING)
+			. = "R"
+		if (SS_QUEUED)
+			. = "Q"
+		if (SS_PAUSED, SS_PAUSING)
+			. = "P"
+		if (SS_SLEEPING)
+			. = "S"
+		if (SS_IDLE)
+			. = "  "
+
+//could be used to postpone a costly subsystem for (default one) var/cycles, cycles
+//for instance, during cpu intensive operations like explosions
+/datum/controller/subsystem/proc/postpone(cycles = 1)
+	if(next_fire - world.time < wait)
+		next_fire += (wait*cycles)
+
+//usually called via datum/controller/subsystem/New() when replacing a subsystem (i.e. due to a recurring crash)
+//should attempt to salvage what it can from the old instance of subsystem
+/datum/controller/subsystem/Recover()

code/controllers/subsystems.dm

@@ -1,46 +0,0 @@
-#define NEW_SS_GLOBAL(varname) if(varname != src){if(istype(varname)){Recover();qdel(varname);}varname = src;}
-
-/datum/subsystem
-	//things you will want to define
-	var/name			//name of the subsystem
-	var/priority = 0	//priority affects order of initialization. Higher priorities are initialized first, lower priorities later. Can be decimal and negative values.
-	var/wait = 20		//time to wait (in deciseconds) between each call to fire(). Must be a positive integer.
-
-	//things you will probably want to leave alone
-	var/can_fire = 0	//prevent fire() calls
-	var/last_fire = 0	//last world.time we called fire()
-	var/next_fire = 0	//scheduled world.time for next fire()
-	var/cpu = 0			//cpu-usage stats (somewhat vague)
-	var/cost = 0		//average time to execute
-	var/times_fired = 0	//number of times we have called fire()
-
-//used to initialize the subsystem BEFORE the map has loaded
-/datum/subsystem/New()
-
-//previously, this would have been named 'process()' but that name is used everywhere for different things!
-//fire() seems more suitable. This is the procedure that gets called every 'wait' deciseconds.
-//fire(), and the procs it calls, SHOULD NOT HAVE ANY SLEEP OPERATIONS in them!
-//YE BE WARNED!
-/datum/subsystem/proc/fire()
-	can_fire = 0
-
-//used to initialize the subsystem AFTER the map has loaded
-/datum/subsystem/proc/Initialize(start_timeofday)
-	var/time = (world.timeofday - start_timeofday) / 10
-	var/msg = "Initialized [name] SubSystem within [time] seconds"
-	world << "<span class='userdanger'>[msg]</span>"
-	world.log << msg
-
-//hook for printing stats to the "MC" statuspanel for admins to see performance and related stats etc.
-/datum/subsystem/proc/stat_entry()
-	stat(name, "[round(cost,0.001)]ds\t(CPU:[round(cpu,1)]%)")
-
-//could be used to postpone a costly subsystem for one cycle
-//for instance, during cpu intensive operations like explosions
-/datum/subsystem/proc/postpone()
-	if(next_fire - world.time < wait)
-		next_fire += wait
-
-//usually called via datum/subsystem/New() when replacing a subsystem (i.e. due to a recurring crash)
-//should attempt to salvage what it can from the old instance of subsystem
-/datum/subsystem/proc/Recover()

code/controllers/subsystems/garbage.dm

@@ -0,0 +1,378 @@
+//
+// Garbage Collector Subsystem - Implements qdel() and the GC queue
+//
+SUBSYSTEM_DEF(garbage)
+	name = "Garbage"
+	priority = 15
+	wait = 5
+	flags = SS_POST_FIRE_TIMING|SS_BACKGROUND|SS_NO_INIT
+	runlevels = RUNLEVELS_DEFAULT | RUNLEVEL_LOBBY
+
+	var/collection_timeout = 3000// deciseconds to wait to let running procs finish before we just say fuck it and force del() the object
+	var/delslasttick = 0		// number of del()'s we've done this tick
+	var/gcedlasttick = 0		// number of things that gc'ed last tick
+	var/totaldels = 0
+	var/totalgcs = 0
+
+	var/highest_del_time = 0
+	var/highest_del_tickusage = 0
+
+	var/list/queue = list() 	// list of refID's of things that should be garbage collected
+								// refID's are associated with the time at which they time out and need to be manually del()
+								// we do this so we aren't constantly locating them and preventing them from being gc'd
+
+	var/list/tobequeued = list()	//We store the references of things to be added to the queue seperately so we can spread out GC overhead over a few ticks
+
+	var/list/didntgc = list()	// list of all types that have failed to GC associated with the number of times that's happened.
+								// the types are stored as strings
+	var/list/sleptDestroy = list()	//Same as above but these are paths that slept during their Destroy call
+
+	var/list/noqdelhint = list()// list of all types that do not return a QDEL_HINT
+	// all types that did not respect qdel(A, force=TRUE) and returned one
+	// of the immortality qdel hints
+	var/list/noforcerespect = list()
+
+#ifdef TESTING
+	var/list/qdel_list = list()	// list of all types that have been qdel()eted
+#endif
+
+/datum/controller/subsystem/garbage/stat_entry(msg)
+	msg += "Q:[queue.len]|D:[delslasttick]|G:[gcedlasttick]|"
+	msg += "GR:"
+	if (!(delslasttick+gcedlasttick))
+		msg += "n/a|"
+	else
+		msg += "[round((gcedlasttick/(delslasttick+gcedlasttick))*100, 0.01)]%|"
+
+	msg += "TD:[totaldels]|TG:[totalgcs]|"
+	if (!(totaldels+totalgcs))
+		msg += "n/a|"
+	else
+		msg += "TGR:[round((totalgcs/(totaldels+totalgcs))*100, 0.01)]%"
+	..(msg)
+
+/datum/controller/subsystem/garbage/Shutdown()
+	//Adds the del() log to world.log in a format condensable by the runtime condenser found in tools
+	if(didntgc.len || sleptDestroy.len)
+		var/list/dellog = list()
+		for(var/path in didntgc)
+			dellog += "Path : [path] \n"
+			dellog += "Failures : [didntgc[path]] \n"
+			if(path in sleptDestroy)
+				dellog += "Sleeps : [sleptDestroy[path]] \n"
+				sleptDestroy -= path
+		for(var/path in sleptDestroy)
+			dellog += "Path : [path] \n"
+			dellog += "Sleeps : [sleptDestroy[path]] \n"
+		log_misc(dellog.Join())
+
+/datum/controller/subsystem/garbage/fire()
+	HandleToBeQueued()
+	if(state == SS_RUNNING)
+		HandleQueue()
+	
+	if (state == SS_PAUSED) //make us wait again before the next run.
+		state = SS_RUNNING 
+
+//If you see this proc high on the profile, what you are really seeing is the garbage collection/soft delete overhead in byond.
+//Don't attempt to optimize, not worth the effort.
+/datum/controller/subsystem/garbage/proc/HandleToBeQueued()
+	var/list/tobequeued = src.tobequeued
+	var/starttime = world.time
+	var/starttimeofday = world.timeofday
+	while(tobequeued.len && starttime == world.time && starttimeofday == world.timeofday)
+		if (MC_TICK_CHECK)
+			break
+		var/ref = tobequeued[1]
+		Queue(ref)
+		tobequeued.Cut(1, 2)
+
+/datum/controller/subsystem/garbage/proc/HandleQueue()
+	delslasttick = 0
+	gcedlasttick = 0
+	var/time_to_kill = world.time - collection_timeout // Anything qdel() but not GC'd BEFORE this time needs to be manually del()
+	var/list/queue = src.queue
+	var/starttime = world.time
+	var/starttimeofday = world.timeofday
+	while(queue.len && starttime == world.time && starttimeofday == world.timeofday)
+		if (MC_TICK_CHECK)
+			break
+		var/refID = queue[1]
+		if (!refID)
+			queue.Cut(1, 2)
+			continue
+
+		var/GCd_at_time = queue[refID]
+		if(GCd_at_time > time_to_kill)
+			break // Everything else is newer, skip them
+		queue.Cut(1, 2)
+		var/datum/A
+		A = locate(refID)
+		if (A && A.gc_destroyed == GCd_at_time) // So if something else coincidently gets the same ref, it's not deleted by mistake
+			#ifdef GC_FAILURE_HARD_LOOKUP
+			A.find_references()
+			#endif
+
+			// Something's still referring to the qdel'd object.  Kill it.
+			var/type = A.type
+			testing("GC: -- \ref[A] | [type] was unable to be GC'd and was deleted --")
+			didntgc["[type]"]++
+			
+			HardDelete(A)
+
+			++delslasttick
+			++totaldels
+		else
+			++gcedlasttick
+			++totalgcs
+
+/datum/controller/subsystem/garbage/proc/QueueForQueuing(datum/A)
+	if (istype(A) && A.gc_destroyed == GC_CURRENTLY_BEING_QDELETED)
+		tobequeued += A
+		A.gc_destroyed = GC_QUEUED_FOR_QUEUING
+
+/datum/controller/subsystem/garbage/proc/Queue(datum/A)
+	if (isnull(A) || (!isnull(A.gc_destroyed) && A.gc_destroyed >= 0))
+		return
+	if (A.gc_destroyed == GC_QUEUED_FOR_HARD_DEL)
+		HardDelete(A)
+		return
+	var/gctime = world.time
+	var/refid = "\ref[A]"
+
+	A.gc_destroyed = gctime
+
+	if (queue[refid])
+		queue -= refid // Removing any previous references that were GC'd so that the current object will be at the end of the list.
+
+	queue[refid] = gctime
+
+//this is purely to seperate things profile wise.
+/datum/controller/subsystem/garbage/proc/HardDelete(datum/A)
+	var/time = world.timeofday
+	var/tick = world.tick_usage
+	var/ticktime = world.time
+	
+	var/type = A.type
+	var/refID = "\ref[A]"
+	
+	del(A)
+	
+	tick = (world.tick_usage-tick+((world.time-ticktime)/world.tick_lag*100))
+	if (tick > highest_del_tickusage)
+		highest_del_tickusage = tick
+	time = world.timeofday - time
+	if (!time && TICK_DELTA_TO_MS(tick) > 1)
+		time = TICK_DELTA_TO_MS(tick)/100
+	if (time > highest_del_time)
+		highest_del_time = time
+	if (time > 10)
+		log_game("Error: [type]([refID]) took longer than 1 second to delete (took [time/10] seconds to delete)")
+		message_admins("Error: [type]([refID]) took longer than 1 second to delete (took [time/10] seconds to delete).")
+		postpone(time/5)
+	
+/datum/controller/subsystem/garbage/proc/HardQueue(datum/A)
+	if (istype(A) && A.gc_destroyed == GC_CURRENTLY_BEING_QDELETED)
+		tobequeued += A
+		A.gc_destroyed = GC_QUEUED_FOR_HARD_DEL
+
+/datum/controller/subsystem/garbage/Recover()
+	if (istype(SSgarbage.queue))
+		queue |= SSgarbage.queue
+	if (istype(SSgarbage.tobequeued))
+		tobequeued |= SSgarbage.tobequeued
+
+// Should be treated as a replacement for the 'del' keyword.
+// Datums passed to this will be given a chance to clean up references to allow the GC to collect them.
+/proc/qdel(datum/D, force=FALSE)
+	if(!istype(D))
+		del(D)
+		return
+#ifdef TESTING
+	SSgarbage.qdel_list += D.type
+#endif
+	if(isnull(D.gc_destroyed))
+		D.gc_destroyed = GC_CURRENTLY_BEING_QDELETED
+		var/start_time = world.time
+		var/hint = D.Destroy(force) // Let our friend know they're about to get fucked up.
+		if(world.time != start_time)
+			SSgarbage.sleptDestroy[D.type]++
+		if(!D)
+			return
+		switch(hint)
+			if (QDEL_HINT_QUEUE)		//qdel should queue the object for deletion.
+				SSgarbage.QueueForQueuing(D)
+			if (QDEL_HINT_IWILLGC)
+				D.gc_destroyed = world.time
+				return
+			if (QDEL_HINT_LETMELIVE)	//qdel should let the object live after calling destory.
+				if(!force)
+					D.gc_destroyed = null //clear the gc variable (important!)
+					return
+				// Returning LETMELIVE after being told to force destroy
+				// indicates the objects Destroy() does not respect force
+				if(!SSgarbage.noforcerespect[D.type])
+					SSgarbage.noforcerespect[D.type] = D.type
+					crash_with("[D.type] has been force deleted, but is \
+						returning an immortal QDEL_HINT, indicating it does \
+						not respect the force flag for qdel(). It has been \
+						placed in the queue, further instances of this type \
+						will also be queued.")
+				SSgarbage.QueueForQueuing(D)
+			if (QDEL_HINT_HARDDEL)		//qdel should assume this object won't gc, and queue a hard delete using a hard reference to save time from the locate()
+				SSgarbage.HardQueue(D)
+			if (QDEL_HINT_HARDDEL_NOW)	//qdel should assume this object won't gc, and hard del it post haste.
+				SSgarbage.HardDelete(D)
+			if (QDEL_HINT_FINDREFERENCE)//qdel will, if TESTING is enabled, display all references to this object, then queue the object for deletion.
+				SSgarbage.QueueForQueuing(D)
+				#ifdef TESTING
+				D.find_references()
+				#endif
+			else
+				if(!SSgarbage.noqdelhint[D.type])
+					SSgarbage.noqdelhint[D.type] = D.type
+					crash_with("[D.type] is not returning a qdel hint. It is being placed in the queue. Further instances of this type will also be queued.")
+				SSgarbage.QueueForQueuing(D)
+	else if(D.gc_destroyed == GC_CURRENTLY_BEING_QDELETED)
+		CRASH("[D.type] destroy proc was called multiple times, likely due to a qdel loop in the Destroy logic")
+
+// Default implementation of clean-up code.
+// This should be overridden to remove all references pointing to the object being destroyed.
+// Return the appropriate QDEL_HINT; in most cases this is QDEL_HINT_QUEUE.
+/datum/proc/Destroy(force=FALSE)
+	tag = null
+	nanomanager.close_uis(src)
+	return QDEL_HINT_QUEUE
+
+/datum/var/gc_destroyed //Time when this object was destroyed.
+
+#ifdef TESTING
+/datum/var/running_find_references
+/datum/var/last_find_references = 0
+
+/datum/verb/find_refs()
+	set category = "Debug"
+	set name = "Find References"
+	set background = 1
+	set src in world
+
+	find_references(FALSE)
+
+/datum/proc/find_references(skip_alert)
+	running_find_references = type
+	if(usr && usr.client)
+		if(usr.client.running_find_references)
+			testing("CANCELLED search for references to a [usr.client.running_find_references].")
+			usr.client.running_find_references = null
+			running_find_references = null
+			//restart the garbage collector
+			SSgarbage.can_fire = 1
+			SSgarbage.next_fire = world.time + world.tick_lag
+			return
+
+		if(!skip_alert)
+			if(alert("Running this will lock everything up for about 5 minutes.  Would you like to begin the search?", "Find References", "Yes", "No") == "No")
+				running_find_references = null
+				return
+
+	//this keeps the garbage collector from failing to collect objects being searched for in here
+	SSgarbage.can_fire = 0
+
+	if(usr && usr.client)
+		usr.client.running_find_references = type
+
+	testing("Beginning search for references to a [type].")
+	last_find_references = world.time
+	find_references_in_globals()
+	for(var/datum/thing in world)
+		DoSearchVar(thing, "WorldRef: [thing]")
+	testing("Completed search for references to a [type].")
+	if(usr && usr.client)
+		usr.client.running_find_references = null
+	running_find_references = null
+
+	//restart the garbage collector
+	SSgarbage.can_fire = 1
+	SSgarbage.next_fire = world.time + world.tick_lag
+
+/client/verb/purge_all_destroyed_objects()
+	set category = "Debug"
+	if(SSgarbage)
+		while(SSgarbage.queue.len)
+			var/datum/o = locate(SSgarbage.queue[1])
+			if(istype(o) && o.gc_destroyed)
+				del(o)
+				SSgarbage.totaldels++
+			SSgarbage.queue.Cut(1, 2)
+
+/datum/verb/qdel_then_find_references()
+	set category = "Debug"
+	set name = "qdel() then Find References"
+	set background = 1
+	set src in world
+
+	qdel(src)
+	if(!running_find_references)
+		find_references(TRUE)
+
+/client/verb/show_qdeleted()
+	set category = "Debug"
+	set name = "Show qdel() Log"
+	set desc = "Render the qdel() log and display it"
+
+	var/dat = "<B>List of things that have been qdel()eted this round</B><BR><BR>"
+
+	var/tmplist = list()
+	for(var/elem in SSgarbage.qdel_list)
+		if(!(elem in tmplist))
+			tmplist[elem] = 0
+		tmplist[elem]++
+
+	for(var/path in tmplist)
+		dat += "[path] - [tmplist[path]] times<BR>"
+
+	usr << browse(dat, "window=qdeletedlog")
+
+/datum/proc/DoSearchVar(X, Xname)
+	if(usr && usr.client && !usr.client.running_find_references) return
+	if(istype(X, /datum))
+		var/datum/D = X
+		if(D.last_find_references == last_find_references)
+			return
+		D.last_find_references = last_find_references
+		for(var/V in D.vars)
+			for(var/varname in D.vars)
+				var/variable = D.vars[varname]
+				if(variable == src)
+					testing("Found [src.type] \ref[src] in [D.type]'s [varname] var. [Xname]")
+				else if(islist(variable))
+					if(src in variable)
+						testing("Found [src.type] \ref[src] in [D.type]'s [varname] list var. Global: [Xname]")
+#ifdef GC_FAILURE_HARD_LOOKUP
+					for(var/I in variable)
+						DoSearchVar(I, TRUE)
+				else
+					DoSearchVar(variable, "[Xname]: [varname]")
+#endif
+	else if(islist(X))
+		if(src in X)
+			testing("Found [src.type] \ref[src] in list [Xname].")
+#ifdef GC_FAILURE_HARD_LOOKUP
+		for(var/I in X)
+			DoSearchVar(I, Xname + ": list")
+#else
+	CHECK_TICK
+#endif
+
+//if find_references isn't working for some datum
+//update this list using tools/GenerateGlobalVarAccess
+/datum/proc/find_references_in_globals()
+	// TODO - Impement Global Variable Access
+	// for(var/global_var in _all_globals)
+	// 	DoSearchVar(readglobal(global_var), "Global: [global_var]")
+#endif
+
+
+/image/Destroy()
+	..()
+	return QDEL_HINT_HARDDEL_NOW

code/controllers/verbs.dm

@@ -1,19 +1,57 @@
 //TODO: rewrite and standardise all controller datums to the datum/controller type
 //TODO: allow all controllers to be deleted for clean restarts (see WIP master controller stuff) - MC done - lighting done
-/client/proc/restart_controller(controller in list("Supply"))
+
+// Clickable stat() button.
+/obj/effect/statclick
+	name = "Initializing..."
+	var/target
+
+/obj/effect/statclick/New(loc, text, target) //Don't port this to Initialize it's too critical
+	..()
+	name = text
+	src.target = target
+
+/obj/effect/statclick/proc/update(text)
+	name = text
+	return src
+
+/obj/effect/statclick/debug
+	var/class
+
+/obj/effect/statclick/debug/Click()
+	if(!usr.client.holder || !target)
+		return
+	if(!class)
+		if(istype(target, /datum/controller/subsystem))
+			class = "subsystem"
+		else if(istype(target, /datum/controller))
+			class = "controller"
+		else if(istype(target, /datum))
+			class = "datum"
+		else
+			class = "unknown"
+
+	usr.client.debug_variables(target)
+	message_admins("Admin [key_name_admin(usr)] is debugging the [target] [class].")
+
+
+// Debug verbs.
+/client/proc/restart_controller(controller in list("Master", "Failsafe"))
 	set category = "Debug"
 	set name = "Restart Controller"
 	set desc = "Restart one of the various periodic loop controllers for the game (be careful!)"
 
-	if(!holder)	return
-	usr = null
-	src = null
+	if(!holder)
+		return
 	switch(controller)
-		if("Supply")
-			supply_controller.process()
-			feedback_add_details("admin_verb","RSupply")
+		if("Master")
+			Recreate_MC()
+			feedback_add_details("admin_verb","RMC")
+		if("Failsafe")
+			new /datum/controller/failsafe()
+			feedback_add_details("admin_verb","RFailsafe")
+
 	message_admins("Admin [key_name_admin(usr)] has restarted the [controller] controller.")
-	return
 
 /client/proc/debug_antagonist_template(antag_type in all_antag_types)
 	set category = "Debug"

code/controllers/voting.dm

@@ -23,9 +23,15 @@ var/global/list/round_voters = list() // Keeps track of the individuals voting f
 /datum/controller/vote/New()
 	if(vote != src)
 		if(istype(vote))
-			del(vote)
+			Recover()
+			qdel(vote)
 		vote = src
 
+/datum/controller/vote/Destroy()
+	..()
+	// Tell qdel() to Del() this object.
+	return QDEL_HINT_HARDDEL_NOW
+
 /datum/controller/vote/proc/process()	//called by master_controller
 	if(mode)
 		// No more change mode votes after the game has started.

code/datums/autolathe/arms.dm

@@ -8,29 +8,29 @@
 
 /datum/category_item/autolathe/arms/shotgun_blanks
 	name = "ammunition (12g, blank)"
-	path =/obj/item/ammo_casing/shotgun/blank
+	path =/obj/item/ammo_casing/a12g/blank
 
 /datum/category_item/autolathe/arms/shotgun_beanbag
 	name = "ammunition (12g, beanbag)"
-	path =/obj/item/ammo_casing/shotgun/beanbag
+	path =/obj/item/ammo_casing/a12g/beanbag
 
 /datum/category_item/autolathe/arms/shotgun_flash
 	name = "ammunition (12g, flash)"
-	path =/obj/item/ammo_casing/shotgun/flash
+	path =/obj/item/ammo_casing/a12g/flash
 
 /datum/category_item/autolathe/arms/shotgun
 	name = "ammunition (12g, slug)"
-	path =/obj/item/ammo_casing/shotgun
+	path =/obj/item/ammo_casing/a12g
 	hidden = 1
 
 /datum/category_item/autolathe/arms/shotgun_pellet
 	name = "ammunition (12g, pellet)"
-	path =/obj/item/ammo_casing/shotgun/pellet
+	path =/obj/item/ammo_casing/a12g/pellet
 	hidden = 1
 
 /datum/category_item/autolathe/arms/stunshell
 	name = "ammunition (stun cartridge, shotgun)"
-	path =/obj/item/ammo_casing/shotgun/stunshell
+	path =/obj/item/ammo_casing/a12g/stunshell
 	hidden = 1
 
 //////////////////
@@ -49,119 +49,119 @@
 /////// .45
 /datum/category_item/autolathe/arms/pistol_45
 	name = "pistol magazine (.45)"
-	path =/obj/item/ammo_magazine/c45m
+	path =/obj/item/ammo_magazine/m45
 	hidden = 1
 
 /datum/category_item/autolathe/arms/pistol_45p
 	name = "pistol magazine (.45 practice)"
-	path =/obj/item/ammo_magazine/c45m/practice
+	path =/obj/item/ammo_magazine/m45/practice
 
 /datum/category_item/autolathe/arms/pistol_45r
 	name = "pistol magazine (.45 rubber)"
-	path =/obj/item/ammo_magazine/c45m/rubber
+	path =/obj/item/ammo_magazine/m45/rubber
 
 /datum/category_item/autolathe/arms/pistol_45f
 	name = "pistol magazine (.45 flash)"
-	path =/obj/item/ammo_magazine/c45m/flash
+	path =/obj/item/ammo_magazine/m45/flash
 
 /datum/category_item/autolathe/arms/pistol_45uzi
 	name = "uzi magazine (.45)"
-	path =/obj/item/ammo_magazine/c45uzi
+	path =/obj/item/ammo_magazine/m45uzi
 	hidden = 1
 
 /datum/category_item/autolathe/arms/tommymag
 	name = "Tommygun magazine (.45)"
-	path =/obj/item/ammo_magazine/tommymag
+	path =/obj/item/ammo_magazine/m45tommy
 	hidden = 1
 
 /datum/category_item/autolathe/arms/tommydrum
 	name = "Tommygun drum magazine (.45)"
-	path =/obj/item/ammo_magazine/tommydrum
+	path =/obj/item/ammo_magazine/m45tommydrum
 	hidden = 1
 
 /////// 9mm
 
-/obj/item/ammo_magazine/mc9mm/flash
-	ammo_type =/obj/item/ammo_casing/c9mmf
+/obj/item/ammo_magazine/m9mm/flash
+	ammo_type =/obj/item/ammo_casing/a9mmf
 
-/obj/item/ammo_magazine/mc9mm/rubber
+/obj/item/ammo_magazine/m9mm/rubber
 	name = "magazine (9mm rubber)"
-	ammo_type =/obj/item/ammo_casing/c9mmr
+	ammo_type =/obj/item/ammo_casing/a9mmr
 
-/obj/item/ammo_magazine/mc9mm/practice
+/obj/item/ammo_magazine/m9mm/practice
 	name = "magazine (9mm practice)"
-	ammo_type =/obj/item/ammo_casing/c9mmp
+	ammo_type =/obj/item/ammo_casing/a9mmp
 
 /datum/category_item/autolathe/arms/pistol_9mm
 	name = "pistol magazine (9mm)"
-	path =/obj/item/ammo_magazine/mc9mm
+	path =/obj/item/ammo_magazine/m9mm
 	hidden = 1
 
 /datum/category_item/autolathe/arms/pistol_9mmr
 	name = "pistol magazine (9mm rubber)"
-	path =/obj/item/ammo_magazine/mc9mm/rubber
+	path =/obj/item/ammo_magazine/m9mm/rubber
 
 /datum/category_item/autolathe/arms/pistol_9mmp
 	name = "pistol magazine (9mm practice)"
-	path =/obj/item/ammo_magazine/mc9mm/practice
+	path =/obj/item/ammo_magazine/m9mm/practice
 
 /datum/category_item/autolathe/arms/pistol_9mmf
 	name = "pistol magazine (9mm flash)"
-	path =/obj/item/ammo_magazine/mc9mm/flash
+	path =/obj/item/ammo_magazine/m9mm/flash
 
 /datum/category_item/autolathe/arms/smg_9mm
 	name = "top-mounted SMG magazine (9mm)"
-	path =/obj/item/ammo_magazine/mc9mmt
+	path =/obj/item/ammo_magazine/m9mmt
 	hidden = 1
 
 /datum/category_item/autolathe/arms/smg_9mmr
 	name = "top-mounted SMG magazine (9mm rubber)"
-	path =/obj/item/ammo_magazine/mc9mmt/rubber
+	path =/obj/item/ammo_magazine/m9mmt/rubber
 
 /datum/category_item/autolathe/arms/smg_9mmp
 	name = "top-mounted SMG magazine (9mm practice)"
-	path =/obj/item/ammo_magazine/mc9mmt/practice
+	path =/obj/item/ammo_magazine/m9mmt/practice
 
 /datum/category_item/autolathe/arms/smg_9mmf
 	name = "top-mounted SMG magazine (9mm flash)"
-	path =/obj/item/ammo_magazine/mc9mmt/flash
+	path =/obj/item/ammo_magazine/m9mmt/flash
 
 /////// 10mm
 /datum/category_item/autolathe/arms/smg_10mm
 	name = "SMG magazine (10mm)"
-	path =/obj/item/ammo_magazine/a10mm
+	path =/obj/item/ammo_magazine/m10mm
 	hidden = 1
 
 /datum/category_item/autolathe/arms/pistol_50
 	name = "pistol magazine (.50AE)"
-	path =/obj/item/ammo_magazine/a50
+	path =/obj/item/ammo_magazine/m50
 	hidden = 1
 
 /////// 5.56mm
 /datum/category_item/autolathe/arms/rifle_556
 	name = "rifle magazine (5.56mm)"
-	path =/obj/item/ammo_magazine/c556
+	path =/obj/item/ammo_magazine/m556
 	hidden = 1
 
 /datum/category_item/autolathe/arms/rifle_556p
 	name = "rifle magazine (5.56mm practice)"
-	path =/obj/item/ammo_magazine/c556/practice
+	path =/obj/item/ammo_magazine/m556/practice
 
 /datum/category_item/autolathe/arms/machinegun_556
 	name = "machinegun box magazine (5.56)"
-	path =/obj/item/ammo_magazine/a556
+	path =/obj/item/ammo_magazine/m556saw
 	hidden = 1
 /////// 7.62
 
 
 /datum/category_item/autolathe/arms/rifle_762
 	name = "rifle magazine (7.62mm)"
-	path =/obj/item/ammo_magazine/c762
+	path =/obj/item/ammo_magazine/m762
 	hidden = 1
 
 /datum/category_item/autolathe/arms/shotgun_magazine
 	name = "24rnd shotgun magazine (12g)"
-	path =/obj/item/ammo_magazine/g12
+	path =/obj/item/ammo_magazine/m12gdrum
 	hidden = 1
 
 /*
@@ -188,57 +188,57 @@
 
 /datum/category_item/autolathe/arms/pistol_45
 	name = "pistol magazine (.45)"
-	path =/obj/item/ammo_magazine/c45m/empty
+	path =/obj/item/ammo_magazine/m45/empty
 	category = "Arms and Ammunition"
 
 /datum/category_item/autolathe/arms/pistol_45uzi
 	name = "uzi magazine (.45)"
-	path =/obj/item/ammo_magazine/c45uzi/empty
+	path =/obj/item/ammo_magazine/m45uzi/empty
 	category = "Arms and Ammunition"
 	hidden = 1
 
 /datum/category_item/autolathe/arms/tommymag
 	name = "Tommygun magazine (.45)"
-	path =/obj/item/ammo_magazine/tommymag/empty
+	path =/obj/item/ammo_magazine/m45tommy/empty
 	category = "Arms and Ammunition"
 	hidden = 1
 
 /datum/category_item/autolathe/arms/tommydrum
 	name = "Tommygun drum magazine (.45)"
-	path =/obj/item/ammo_magazine/tommydrum/empty
+	path =/obj/item/ammo_magazine/m45tommydrum/empty
 	category = "Arms and Ammunition"
 	hidden = 1
 
 /datum/category_item/autolathe/arms/pistol_9mm
 	name = "pistol magazine (9mm)"
-	path =/obj/item/ammo_magazine/mc9mm/empty
+	path =/obj/item/ammo_magazine/m9mm/empty
 	category = "Arms and Ammunition"
 
 /datum/category_item/autolathe/arms/smg_9mm
 	name = "top-mounted SMG magazine (9mm)"
-	path =/obj/item/ammo_magazine/mc9mmt/empty
+	path =/obj/item/ammo_magazine/m9mmt/empty
 	category = "Arms and Ammunition"
 
 /datum/category_item/autolathe/arms/smg_10mm
 	name = "SMG magazine (10mm)"
-	path =/obj/item/ammo_magazine/a10mm/empty
+	path =/obj/item/ammo_magazine/m10mm/empty
 	category = "Arms and Ammunition"
 	hidden = 1
 
 /datum/category_item/autolathe/arms/pistol_50
 	name = "pistol magazine (.50AE)"
-	path =/obj/item/ammo_magazine/a50/empty
+	path =/obj/item/ammo_magazine/m50/empty
 	category = "Arms and Ammunition"
 	hidden = 1
 
 /datum/category_item/autolathe/arms/rifle_556
 	name = "10rnd rifle magazine (5.56mm)"
-	path =/obj/item/ammo_magazine/a556/empty
+	path =/obj/item/ammo_magazine/m556saw/empty
 	category = "Arms and Ammunition"
 
 /datum/category_item/autolathe/arms/rifle_556m
 	name = "20rnd rifle magazine (5.56mm)"
-	path =/obj/item/ammo_magazine/a556m/empty
+	path =/obj/item/ammo_magazine/m556sawm/empty
 	category = "Arms and Ammunition"
 	hidden = 1
 
@@ -250,7 +250,7 @@
 
 /datum/category_item/autolathe/arms/rifle_762
 	name = "20rnd rifle magazine (7.62mm)"
-	path =/obj/item/ammo_magazine/c762/empty
+	path =/obj/item/ammo_magazine/m762/empty
 	category = "Arms and Ammunition"
 	hidden = 1
 
@@ -262,7 +262,7 @@
 
 /datum/category_item/autolathe/arms/shotgun_magazine
 	name = "24rnd shotgun magazine (12g)"
-	path =/obj/item/ammo_magazine/g12/empty
+	path =/obj/item/ammo_magazine/m12gdrum/empty
 	category = "Arms and Ammunition"
 	hidden = 1*/
 
@@ -272,17 +272,17 @@
 
 /datum/category_item/autolathe/arms/speedloader_357
 	name = "speedloader (.357)"
-	path =/obj/item/ammo_magazine/a357
+	path =/obj/item/ammo_magazine/s357
 	hidden = 1
 
 /datum/category_item/autolathe/arms/speedloader_38
 	name = "speedloader (.38)"
-	path =/obj/item/ammo_magazine/c38
+	path =/obj/item/ammo_magazine/s38
 	hidden = 1
 
 /datum/category_item/autolathe/arms/speedloader_38r
 	name = "speedloader (.38 rubber)"
-	path =/obj/item/ammo_magazine/c38/rubber
+	path =/obj/item/ammo_magazine/s38/rubber
 
 // Commented out until metal exploits with autolathe is fixed.
 /*/datum/category_item/autolathe/arms/pistol_clip_45
@@ -335,35 +335,35 @@
 
 /datum/category_item/autolathe/arms/pistol_clip_10mm
 	name = "ammo clip (10mm)"
-	path =/obj/item/ammo_magazine/clip/a10mm
+	path =/obj/item/ammo_magazine/clip/c10mm
 	category = "Arms and Ammunition"
 	hidden = 1
 
 /datum/category_item/autolathe/arms/pistol_clip_50
 	name = "ammo clip (.50AE)"
-	path =/obj/item/ammo_magazine/clip/a50
+	path =/obj/item/ammo_magazine/clip/c50
 	category = "Arms and Ammunition"
 	hidden = 1
 */
 /datum/category_item/autolathe/arms/rifle_clip_556
 	name = "ammo clip (5.56mm)"
-	path =/obj/item/ammo_magazine/clip/a556
+	path =/obj/item/ammo_magazine/clip/c556
 	category = "Arms and Ammunition"
 	hidden = 1
 
 /datum/category_item/autolathe/arms/rifle_clip_556_practice
 	name = "ammo clip (5.56mm practice)"
-	path =/obj/item/ammo_magazine/clip/a556/practice
+	path =/obj/item/ammo_magazine/clip/c556/practice
 	category = "Arms and Ammunition"
 
 /datum/category_item/autolathe/arms/rifle_clip_762
 	name = "ammo clip (7.62mm)"
-	path =/obj/item/ammo_magazine/clip/a762
+	path =/obj/item/ammo_magazine/clip/c762
 	hidden = 1
 
 /datum/category_item/autolathe/arms/rifle_clip_762_practice
 	name = "ammo clip (7.62mm practice)"
-	path =/obj/item/ammo_magazine/clip/a762/practice
+	path =/obj/item/ammo_magazine/clip/c762/practice
 
 /datum/category_item/autolathe/arms/knuckledusters
 	name = "knuckle dusters"

code/datums/helper_datums/global_iterator.dm

@@ -155,4 +155,5 @@ Data storage vars:
 	tag = null
 	arg_list.Cut()
 	stop()
+	return QDEL_HINT_LETMELIVE
 	//Do not call ..()

code/datums/repositories/decls.dm

@@ -36,4 +36,4 @@
 
 /decls/Destroy()
 	crash_with("Prevented attempt to delete a decl instance: [log_info_line(src)]")
-	return 1 // Prevents Decl destruction
+	return QDEL_HINT_LETMELIVE // Prevents Decl destruction

code/datums/repositories/radiation.dm

@@ -0,0 +1,138 @@
+var/global/repository/radiation/radiation_repository = new()
+
+/repository/radiation
+	var/list/sources = list()			// all radiation source datums
+	var/list/sources_assoc = list()		// Sources indexed by turf for de-duplication.
+	var/list/resistance_cache = list()	// Cache of turf's radiation resistance.
+
+// 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/Destroy()
+	radiation_repository.sources -= src
+	if(radiation_repository.sources_assoc[src.source_turf] == src)
+		radiation_repository.sources -= src.source_turf
+	src.source_turf = null
+	. = ..()
+
+/datum/radiation_source/proc/update_rad_power(var/new_power = null)
+	if(new_power == null || new_power == rad_power)
+		return // No change
+	else if(new_power <= 0)
+		qdel(src) // Decayed to nothing
+	else
+		rad_power = new_power
+		if(!flat)
+			range = min(round(sqrt(rad_power / config.radiation_lower_limit)), 31)  // R = rad_power / dist**2 - Solve for dist
+
+// Ray trace from all active radiation sources to T and return the strongest effect.
+/repository/radiation/proc/get_rads_at_turf(var/turf/T)
+	if(!istype(T)) return 0
+
+	. = 0
+	for(var/value in sources)
+		var/datum/radiation_source/source = value
+		if(source.rad_power < .)
+			continue // Already being affected by a stronger source
+		if(source.source_turf.z != T.z)
+			continue // Radiation is not multi-z
+		var/dist = get_dist(source.source_turf, T)
+		if(dist > source.range)
+			continue // Too far to possibly affect
+		if(source.respect_maint)
+			var/atom/A = T.loc
+			if(A.flags & RAD_SHIELDED)
+				continue // In shielded area
+		if(source.flat)
+			. = max(., source.rad_power)
+			continue // No need to ray trace for flat  field
+
+		// Okay, now ray trace to find resistence!
+		var/turf/origin = source.source_turf
+		var/working = source.rad_power
+		while(origin != T)
+			origin = get_step_towards(origin, T) //Raytracing
+			if(!(origin in resistance_cache)) //Only get the resistance if we don't already know it.
+				origin.calc_rad_resistance()
+			working = max((working - (origin.cached_rad_resistance * config.radiation_resistance_multiplier)), 0)
+			if(working <= .)
+				break // Already affected by a stronger source (or its zero...)
+		. = max((working * (1 / (dist ** 2))), .) //Butchered version of the inverse square law. Works for this purpose
+
+// Add a radiation source instance to the repository.  It will override any existing source on the same turf.
+/repository/radiation/proc/add_source(var/datum/radiation_source/S)
+	if(!isturf(S.source_turf))
+		return
+	var/datum/radiation_source/existing = sources_assoc[S.source_turf]
+	if(existing)
+		qdel(existing)
+	sources += S
+	sources_assoc[S.source_turf] = S
+
+// Creates a temporary radiation source that will decay
+/repository/radiation/proc/radiate(source, power) //Sends out a radiation pulse, taking walls into account
+	if(!(source && power)) //Sanity checking
+		return
+	var/datum/radiation_source/S = new()
+	S.source_turf = get_turf(source)
+	S.update_rad_power(power)
+	add_source(S)
+
+// Sets the radiation in a range to a constant value.
+/repository/radiation/proc/flat_radiate(source, power, range, var/respect_maint = FALSE)
+	if(!(source && power && range))
+		return
+	var/datum/radiation_source/S = new()
+	S.flat = TRUE
+	S.range = range
+	S.respect_maint = respect_maint
+	S.source_turf = get_turf(source)
+	S.update_rad_power(power)
+	add_source(S)
+
+// Irradiates a full Z-level. Hacky way of doing it, but not too expensive.
+/repository/radiation/proc/z_radiate(var/atom/source, power, var/respect_maint = FALSE)
+	if(!(power && source))
+		return
+	var/turf/epicentre = locate(round(world.maxx / 2), round(world.maxy / 2), source.z)
+	flat_radiate(epicentre, power, world.maxx, respect_maint)
+
+/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) //Override
+			cached_rad_resistance += O.rad_resistance
+
+		else if(O.density) //So open doors don't get counted
+			var/material/M = O.get_material()
+			if(!M)	continue
+			cached_rad_resistance += M.weight
+	// 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
+	radiation_repository.resistance_cache[src] = (length(contents) + 1)
+
+/turf/simulated/wall/calc_rad_resistance()
+	radiation_repository.resistance_cache[src] = (length(contents) + 1)
+	cached_rad_resistance = (density ? material.weight : 0)
+
+/obj
+	var/rad_resistance = 0  // Allow overriding rad resistance
+
+// If people expand the system, this may be useful. Here as a placeholder until then
+/atom/proc/rad_act(var/severity)
+	return 1
+
+/mob/living/rad_act(var/severity)
+	if(severity)
+		src.apply_effect(severity, IRRADIATE, src.getarmor(null, "rad"))
+		for(var/atom/I in src)
+			I.rad_act(severity)

code/datums/supplypacks/contraband.dm

@@ -47,7 +47,7 @@
  	name = "Surplus militia rifles"
  	contains = list(
  			/obj/item/weapon/gun/projectile/shotgun/pump/rifle/mosin = 3,
- 			/obj/item/ammo_magazine/clip/a762 = 6
+ 			/obj/item/ammo_magazine/clip/c762 = 6
  			)
  	cost = 50
  	contraband = 1

code/datums/supplypacks/munitions.dm

@@ -27,7 +27,7 @@
 	name = "Flare guns crate"
 	contains = list(
 			/obj/item/weapon/gun/projectile/sec/flash,
-			/obj/item/ammo_magazine/c45m/flash,
+			/obj/item/ammo_magazine/m45/flash,
 			/obj/item/weapon/gun/projectile/shotgun/doublebarrel/flare,
 			/obj/item/weapon/storage/box/flashshells
 			)
@@ -129,7 +129,7 @@
  	contains = list(
  			/obj/item/device/assembly/timer,
  			/obj/item/weapon/gun/projectile/shotgun/pump/rifle/practice = 2,
- 			/obj/item/ammo_magazine/clip/a762/practice = 4,
+ 			/obj/item/ammo_magazine/clip/c762/practice = 4,
  			/obj/item/target = 2,
  			/obj/item/target/alien = 2,
  			/obj/item/target/syndicate = 2
@@ -154,9 +154,9 @@
 	name = "Automatic weapon ammunition crate"
 	num_contained = 6
 	contains = list(
-			/obj/item/ammo_magazine/mc9mmt,
-			/obj/item/ammo_magazine/mc9mmt/rubber,
-			/obj/item/ammo_magazine/a556
+			/obj/item/ammo_magazine/m9mmt,
+			/obj/item/ammo_magazine/m9mmt/rubber,
+			/obj/item/ammo_magazine/m556saw
 			)
 	cost = 25
 	containertype = /obj/structure/closet/crate/secure

code/datums/uplink/ammunition.dm

@@ -8,36 +8,36 @@
 
 /datum/uplink_item/item/ammo/a357
 	name = ".357 Speedloader"
-	path = /obj/item/ammo_magazine/a357
+	path = /obj/item/ammo_magazine/s357
 
 /datum/uplink_item/item/ammo/mc9mm
 	name = "Pistol Magazine (9mm)"
-	path = /obj/item/ammo_magazine/mc9mm
+	path = /obj/item/ammo_magazine/m9mm
 
 /datum/uplink_item/item/ammo/c45m
 	name = "Pistol Magazine (.45)"
-	path = /obj/item/ammo_magazine/c45m
+	path = /obj/item/ammo_magazine/m45
 
 /datum/uplink_item/item/ammo/c45map
 	name = "Pistol Magazine (.45 AP)"
-	path = /obj/item/ammo_magazine/c45m/ap
+	path = /obj/item/ammo_magazine/m45/ap
 
 /datum/uplink_item/item/ammo/tommymag
 	name = "Tommygun Magazine (.45)"
-	path = /obj/item/ammo_magazine/tommymag
+	path = /obj/item/ammo_magazine/m45tommy
 
 /datum/uplink_item/item/ammo/tommymagap
 	name = "Tommygun Magazine (.45 AP)"
-	path = /obj/item/ammo_magazine/tommymag/ap
+	path = /obj/item/ammo_magazine/m45tommy/ap
 
 /datum/uplink_item/item/ammo/tommydrum
 	name = "Tommygun Drum Magazine (.45)"
-	path = /obj/item/ammo_magazine/tommydrum
+	path = /obj/item/ammo_magazine/m45tommydrum
 	item_cost = 40
 
 /datum/uplink_item/item/ammo/tommydrumap
 	name = "Tommygun Drum Magazine (.45 AP)"
-	path = /obj/item/ammo_magazine/tommydrum/ap
+	path = /obj/item/ammo_magazine/m45tommydrum/ap
 
 /datum/uplink_item/item/ammo/darts
 	name = "Darts"
@@ -50,39 +50,39 @@
 
 /datum/uplink_item/item/ammo/c556
 	name = "Rifle Magazine (5.56mm)"
-	path = /obj/item/ammo_magazine/c556
+	path = /obj/item/ammo_magazine/m556
 
 /datum/uplink_item/item/ammo/c556/ext
 	name = "Rifle Magazine (5.56mm Extended)"
-	path = /obj/item/ammo_magazine/c556/ext
+	path = /obj/item/ammo_magazine/m556/ext
 
 /datum/uplink_item/item/ammo/c556/ap
 	name = "Rifle Magazine (5.56mm AP)"
-	path = /obj/item/ammo_magazine/c556/ap
+	path = /obj/item/ammo_magazine/m556/ap
 
 /datum/uplink_item/item/ammo/c556/ap/ext
 	name = "Rifle Magazine (5.56mm AP Extended)"
-	path = /obj/item/ammo_magazine/c556/ap/ext
+	path = /obj/item/ammo_magazine/m556/ap/ext
 
 /datum/uplink_item/item/ammo/c762
 	name = "Rifle Magazine (7.62mm)"
-	path = /obj/item/ammo_magazine/c762
+	path = /obj/item/ammo_magazine/m762
 
 /datum/uplink_item/item/ammo/c762/ap
 	name = "Rifle Magazine (7.62mm AP)"
-	path = /obj/item/ammo_magazine/c762/ap
+	path = /obj/item/ammo_magazine/m762/ap
 
 /datum/uplink_item/item/ammo/a10mm
 	name = "SMG Magazine (10mm)"
-	path = /obj/item/ammo_magazine/a10mm
+	path = /obj/item/ammo_magazine/m10mm
 
 /datum/uplink_item/item/ammo/a556
 	name = "Machinegun Magazine (5.56mm)"
-	path = /obj/item/ammo_magazine/a556
+	path = /obj/item/ammo_magazine/m556saw
 
 /datum/uplink_item/item/ammo/a556/ap
 	name = "Machinegun Magazine (5.56mm AP)"
-	path = /obj/item/ammo_magazine/a556/ap
+	path = /obj/item/ammo_magazine/m556saw/ap
 
 /datum/uplink_item/item/ammo/g12
 	name = "12g Shotgun Ammo Box (Slug)"

code/datums/weakref.dm

@@ -7,7 +7,9 @@
 
 //obtain a weak reference to a datum
 /proc/weakref(datum/D)
-	if(D.gcDestroyed)
+	if(!istype(D))
+		return
+	if(QDELETED(D))
 		return
 	if(!D.weakref)
 		D.weakref = new/weakref(D)
@@ -22,7 +24,7 @@
 /weakref/Destroy()
 	// A weakref datum should not be manually destroyed as it is a shared resource,
 	//  rather it should be automatically collected by the BYOND GC when all references are gone.
-	return 0
+	return QDEL_HINT_LETMELIVE
 
 /weakref/proc/resolve()
 	var/datum/D = locate(ref)

code/datums/wires/wires.dm

@@ -48,6 +48,7 @@ var/list/wireColours = list("red", "blue", "green", "darkred", "orange", "brown"
 
 /datum/wires/Destroy()
 	holder = null
+	signallers.Cut()
 	return ..()
 
 /datum/wires/proc/GenerateWires()

code/game/area/Space Station 13 areas.dm

@@ -48,7 +48,7 @@ NOTE: there are two lists of areas in the end of this file: centcom and station
 	var/obj/machinery/power/apc/apc = null
 	var/no_air = null
 //	var/list/lights				// list of all lights on this area
-	var/list/all_doors = list()		//Added by Strumpetplaya - Alarm Change - Contains a list of doors adjacent to this area
+	var/list/all_doors = null		//Added by Strumpetplaya - Alarm Change - Contains a list of doors adjacent to this area
 	var/firedoors_closed = 0
 	var/list/ambience = list('sound/ambience/ambigen1.ogg','sound/ambience/ambigen3.ogg','sound/ambience/ambigen4.ogg','sound/ambience/ambigen5.ogg','sound/ambience/ambigen6.ogg','sound/ambience/ambigen7.ogg','sound/ambience/ambigen8.ogg','sound/ambience/ambigen9.ogg','sound/ambience/ambigen10.ogg','sound/ambience/ambigen11.ogg','sound/ambience/ambigen12.ogg','sound/ambience/ambigen14.ogg')
 	var/list/forced_ambience = null

code/game/area/areas.dm

@@ -75,6 +75,8 @@
 /area/proc/firedoors_close()
 	if(!firedoors_closed)
 		firedoors_closed = TRUE
+		if(!all_doors)
+			return
 		for(var/obj/machinery/door/firedoor/E in all_doors)
 			if(!E.blocked)
 				if(E.operating)
@@ -87,6 +89,8 @@
 /area/proc/firedoors_open()
 	if(firedoors_closed)
 		firedoors_closed = FALSE
+		if(!all_doors)
+			return
 		for(var/obj/machinery/door/firedoor/E in all_doors)
 			if(!E.blocked)
 				if(E.operating)

code/game/atoms_movable.dm

@@ -23,16 +23,6 @@
 	if(auto_init && ticker && ticker.current_state == GAME_STATE_PLAYING)
 		initialize()
 
-/atom/movable/Del()
-	if(isnull(gcDestroyed) && loc)
-		testing("GC: -- [type] was deleted via del() rather than qdel() --")
-		crash_with("GC: -- [type] was deleted via del() rather than qdel() --") // stick a stack trace in the runtime logs
-//	else if(isnull(gcDestroyed))
-//		testing("GC: [type] was deleted via GC without qdel()") //Not really a huge issue but from now on, please qdel()
-//	else
-//		testing("GC: [type] was deleted via GC with qdel()")
-	..()
-
 /atom/movable/Destroy()
 	. = ..()
 	if(reagents)
@@ -53,7 +43,7 @@
 		pulledby = null
 
 /atom/movable/proc/initialize()
-	if(!isnull(gcDestroyed))
+	if(QDELETED(src))
 		crash_with("GC: -- [type] had initialize() called after qdel() --")
 
 /atom/movable/Bump(var/atom/A, yes)

code/game/gamemodes/endgame/supermatter_cascade/universe.dm

@@ -37,7 +37,6 @@ var/global/universe_has_ended = 0
 // Apply changes when entering state
 /datum/universal_state/supermatter_cascade/OnEnter()
 	set background = 1
-	garbage_collector.garbage_collect = 0
 	world << "<span class='sinister' style='font-size:22pt'>You are blinded by a brilliant flash of energy.</span>"
 
 	world << sound('sound/effects/cascade.ogg')

code/game/gamemodes/events/clang.dm

@@ -41,6 +41,10 @@ In my current plan for it, 'solid' will be defined as anything with density == 1
 		if(clong && prob(25))
 			src.loc = clong.loc
 
+	Destroy()
+		walk(src, 0) // Because we might have called walk_towards, we must stop the walk loop or BYOND keeps an internal reference to us forever.
+		return ..()
+
 /proc/immovablerod()
 	var/startx = 0
 	var/starty = 0

code/game/gamemodes/events/dust.dm

@@ -90,6 +90,10 @@ The "dust" will damage the hull of the station causin minor hull breaches.
 			walk_towards(src, goal, 1)
 		return
 
+	Destroy()
+		walk(src, 0) // Because we might have called walk_towards, we must stop the walk loop or BYOND keeps an internal reference to us forever.
+		return ..()
+
 	touch_map_edge()
 		qdel(src)
 

code/game/gamemodes/gameticker.dm

@@ -62,6 +62,7 @@ var/global/datum/controller/gameticker/ticker
 							vote.process()
 			if(pregame_timeleft <= 0)
 				current_state = GAME_STATE_SETTING_UP
+				Master.SetRunLevel(RUNLEVEL_SETUP)
 	while (!setup())
 
 
@@ -74,6 +75,7 @@ var/global/datum/controller/gameticker/ticker
 	if((master_mode=="random") || (master_mode=="secret"))
 		if(!runnable_modes.len)
 			current_state = GAME_STATE_PREGAME
+			Master.SetRunLevel(RUNLEVEL_LOBBY)
 			world << "<B>Unable to choose playable game mode.</B> Reverting to pre-game lobby."
 			return 0
 		if(secret_force_mode != "secret")
@@ -88,6 +90,7 @@ var/global/datum/controller/gameticker/ticker
 
 	if(!src.mode)
 		current_state = GAME_STATE_PREGAME
+		Master.SetRunLevel(RUNLEVEL_LOBBY)
 		world << "<span class='danger'>Serious error in mode setup!</span> Reverting to pre-game lobby."
 		return 0
 
@@ -99,6 +102,7 @@ var/global/datum/controller/gameticker/ticker
 	if(!src.mode.can_start())
 		world << "<B>Unable to start [mode.name].</B> Not enough players, [mode.required_players] players needed. Reverting to pre-game lobby."
 		current_state = GAME_STATE_PREGAME
+		Master.SetRunLevel(RUNLEVEL_LOBBY)
 		mode.fail_setup()
 		mode = null
 		job_master.ResetOccupations()
@@ -127,6 +131,7 @@ var/global/datum/controller/gameticker/ticker
 
 	shuttle_controller.setup_shuttle_docks()
 
+	// TODO - Leshana - Dear God Fix This.  Fix all of this. Not just this line, this entire proc. This entire file!
 	spawn(0)//Forking here so we dont have to wait for this to finish
 		mode.post_setup()
 		//Cleanup some stuff
@@ -155,6 +160,7 @@ var/global/datum/controller/gameticker/ticker
 	*/
 
 	processScheduler.start()
+	Master.SetRunLevel(RUNLEVEL_GAME)
 
 	if(config.sql_enabled)
 		statistic_cycle() // Polls population totals regularly and stores them in an SQL DB -- TLE
@@ -319,6 +325,7 @@ var/global/datum/controller/gameticker/ticker
 
 		if(!mode.explosion_in_progress && game_finished && (mode_finished || post_game))
 			current_state = GAME_STATE_FINISHED
+			Master.SetRunLevel(RUNLEVEL_POSTGAME)
 
 			spawn
 				declare_completion()

code/game/gamemodes/meteor/meteors.dm

@@ -133,7 +133,7 @@
 
 /obj/effect/meteor/Destroy()
 	walk(src,0) //this cancels the walk_towards() proc
-	..()
+	return ..()
 
 /obj/effect/meteor/New()
 	..()
@@ -271,8 +271,7 @@
 	if(explode)
 		explosion(src.loc, devastation_range = 0, heavy_impact_range = 0, light_impact_range = 4, flash_range = 6, adminlog = 0)
 	new /obj/effect/decal/cleanable/greenglow(get_turf(src))
-	for(var/mob/living/L in view(10, src))
-		L.apply_effect(40, IRRADIATE)
+	radiation_repository.radiate(src, 50)
 
 // This meteor fries toasters.
 /obj/effect/meteor/emp

code/game/machinery/CableLayer.dm

@@ -73,7 +73,7 @@
 		visible_message("A red light flashes on \the [src].")
 		return
 	cable.use(amount)
-	if(deleted(cable))
+	if(QDELETED(cable))
 		cable = null
 	return 1
 

code/game/machinery/OpTable.dm

@@ -8,6 +8,7 @@
 	use_power = 1
 	idle_power_usage = 1
 	active_power_usage = 5
+	surgery_odds = 100
 	var/mob/living/carbon/human/victim = null
 	var/strapped = 0.0
 	var/obj/machinery/computer/operating/computer = null

code/game/machinery/adv_med.dm

@@ -287,8 +287,9 @@
 			var/bloodData[0]
 			if(H.vessel)
 				var/blood_volume = round(H.vessel.get_reagent_amount("blood"))
+				var/blood_max = H.species.blood_volume
 				bloodData["volume"] = blood_volume
-				bloodData["percent"] = round(((blood_volume / 560)*100))
+				bloodData["percent"] = round(((blood_volume / blood_max)*100))
 
 			occupantData["blood"] = bloodData
 
@@ -459,7 +460,8 @@
 
 			if(occupant.vessel)
 				var/blood_volume = round(occupant.vessel.get_reagent_amount("blood"))
-				var/blood_percent =  blood_volume / 560
+				var/blood_max = occupant.species.blood_volume
+				var/blood_percent =  blood_volume / blood_max
 				blood_percent *= 100
 
 				extra_font = "<font color=[blood_volume > 448 ? "blue" : "red"]>"

code/game/machinery/atmoalter/portable_atmospherics.dm

@@ -21,9 +21,9 @@
 	return 1
 
 /obj/machinery/portable_atmospherics/Destroy()
-	qdel(air_contents)
-	qdel(holding)
-	..()
+	qdel_null(air_contents)
+	qdel_null(holding)
+	. = ..()
 
 /obj/machinery/portable_atmospherics/initialize()
 	. = ..()
@@ -40,11 +40,6 @@
 	else
 		update_icon()
 
-/obj/machinery/portable_atmospherics/Destroy()
-	qdel(air_contents)
-
-	..()
-
 /obj/machinery/portable_atmospherics/proc/StandardAirMix()
 	return list(
 		"oxygen" = O2STANDARD * MolesForPressure(),

code/game/machinery/autolathe.dm

@@ -144,7 +144,7 @@
 	if(is_robot_module(O))
 		return 0
 
-	if(istype(O,/obj/item/ammo_magazine/clip) || istype(O,/obj/item/ammo_magazine/a357) || istype(O,/obj/item/ammo_magazine/c38)) // Prevents ammo recycling exploit with speedloaders.
+	if(istype(O,/obj/item/ammo_magazine/clip) || istype(O,/obj/item/ammo_magazine/s357) || istype(O,/obj/item/ammo_magazine/s38)) // Prevents ammo recycling exploit with speedloaders.
 		user << "\The [O] is too hazardous to recycle with the autolathe!"
 		return
 		/*  ToDo: Make this actually check for ammo and change the value of the magazine if it's empty. -Spades
@@ -262,7 +262,7 @@
 				stored_material[material] = max(0, stored_material[material] - round(making.resources[material] * mat_efficiency) * multiplier)
 
 		update_icon() // So lid closes
-		
+
 		sleep(build_time)
 
 		busy = 0

code/game/machinery/camera/camera.dm

@@ -206,7 +206,7 @@
 		user.setClickCooldown(DEFAULT_ATTACK_COOLDOWN)
 		if (W.force >= src.toughness)
 			user.do_attack_animation(src)
-			visible_message("<span class='warning'><b>[src] has been [pick(W.attack_verb)] with [W] by [user]!</b></span>")
+			visible_message("<span class='warning'><b>[src] has been [W.attack_verb.len? pick(W.attack_verb) : "attacked"] with [W] by [user]!</b></span>")
 			if (istype(W, /obj/item)) //is it even possible to get into attackby() with non-items?
 				var/obj/item/I = W
 				if (I.hitsound)

code/game/machinery/cloning.dm

@@ -181,7 +181,7 @@
 			use_power(7500) //This might need tweaking.
 			return
 
-		else if((occupant.health >= heal_level) && (!eject_wait))
+		else if((occupant.health >= heal_level || occupant.health == occupant.maxHealth) && (!eject_wait))
 			playsound(src.loc, 'sound/machines/ding.ogg', 50, 1)
 			audible_message("\The [src] signals that the cloning process is complete.")
 			connected_message("Cloning Process Complete.")

code/game/machinery/computer/ai_core.dm

@@ -189,7 +189,7 @@
 /obj/structure/AIcore/deactivated/Destroy()
 	if(src in empty_playable_ai_cores)
 		empty_playable_ai_cores -= src
-	..()
+	return ..()
 
 /obj/structure/AIcore/deactivated/proc/load_ai(var/mob/living/silicon/ai/transfer, var/obj/item/device/aicard/card, var/mob/user)
 

code/game/machinery/cryopod.dm

@@ -314,7 +314,7 @@
 	if(occupant)
 		occupant.forceMove(loc)
 		occupant.resting = 1
-	..()
+	return ..()
 
 /obj/machinery/cryopod/initialize()
 	..()

code/game/machinery/doors/airlock.dm

@@ -263,6 +263,7 @@
 	icon = 'icons/obj/doors/Dooruranium.dmi'
 	mineral = "uranium"
 	var/last_event = 0
+	var/rad_power = 7.5
 
 /obj/machinery/door/airlock/process()
 	// Deliberate no call to parent.
@@ -280,15 +281,10 @@
 /obj/machinery/door/airlock/uranium/process()
 	if(world.time > last_event+20)
 		if(prob(50))
-			radiate()
+			radiation_repository.radiate(src, rad_power)
 		last_event = world.time
 	..()
 
-/obj/machinery/door/airlock/uranium/proc/radiate()
-	for(var/mob/living/L in range (3,src))
-		L.apply_effect(15,IRRADIATE,0)
-	return
-
 /obj/machinery/door/airlock/phoron
 	name = "Phoron Airlock"
 	desc = "No way this can end badly."
@@ -757,6 +753,9 @@ About the new airlock wires panel:
 	update_icon()
 	return 1
 
+/obj/machinery/door/airlock/proc/can_remove_electronics()
+	return src.p_open && (operating < 0 || (!operating && welded && !src.arePowerSystemsOn() && density && (!src.locked || (stat & BROKEN))))
+
 /obj/machinery/door/airlock/attackby(C as obj, mob/user as mob)
 	//world << text("airlock attackby src [] obj [] mob []", src, C, user)
 	if(!istype(usr, /mob/living/silicon))
@@ -801,7 +800,7 @@ About the new airlock wires panel:
 		var/obj/item/weapon/pai_cable/cable = C
 		cable.plugin(src, user)
 	else if(!repairing && istype(C, /obj/item/weapon/crowbar))
-		if(src.p_open && (operating < 0 || (!operating && welded && !src.arePowerSystemsOn() && density && (!src.locked || (stat & BROKEN)))) )
+		if(can_remove_electronics())
 			playsound(src.loc, 'sound/items/Crowbar.ogg', 75, 1)
 			user.visible_message("[user] removes the electronics from the airlock assembly.", "You start to remove electronics from the airlock assembly.")
 			if(do_after(user,40))

code/game/machinery/doors/airlock_control.dm

@@ -145,7 +145,7 @@ obj/machinery/door/airlock/New()
 obj/machinery/door/airlock/Destroy()
 	if(frequency && radio_controller)
 		radio_controller.remove_object(src,frequency)
-	..()
+	return ..()
 
 obj/machinery/airlock_sensor
 	icon = 'icons/obj/airlock_machines.dmi'
@@ -220,7 +220,7 @@ obj/machinery/airlock_sensor/New()
 obj/machinery/airlock_sensor/Destroy()
 	if(radio_controller)
 		radio_controller.remove_object(src,frequency)
-	..()
+	return ..()
 
 obj/machinery/airlock_sensor/airlock_interior
 	command = "cycle_interior"
@@ -292,7 +292,7 @@ obj/machinery/access_button/New()
 obj/machinery/access_button/Destroy()
 	if(radio_controller)
 		radio_controller.remove_object(src, frequency)
-	..()
+	return ..()
 
 obj/machinery/access_button/airlock_interior
 	frequency = 1379

code/game/machinery/doors/blast_door.dm

@@ -13,7 +13,7 @@
 	icon = 'icons/obj/doors/rapid_pdoor.dmi'
 	icon_state = null
 	min_force = 20 //minimum amount of force needed to damage the door with a melee weapon
-
+	var/material/implicit_material
 	// Icon states for different shutter types. Simply change this instead of rewriting the update_icon proc.
 	var/icon_state_open = null
 	var/icon_state_opening = null
@@ -29,6 +29,13 @@
 	//turning this off prevents awkward zone geometry in places like medbay lobby, for example.
 	block_air_zones = 0
 
+/obj/machinery/door/blast/initialize()
+	..()
+	implicit_material = get_material_by_name("plasteel")
+
+/obj/machinery/door/blast/get_material()
+	return implicit_material
+
 // Proc: Bumped()
 // Parameters: 1 (AM - Atom that tried to walk through this object)
 // Description: If we are open returns zero, otherwise returns result of parent function.
@@ -46,6 +53,7 @@
 		icon_state = icon_state_closed
 	else
 		icon_state = icon_state_open
+	radiation_repository.resistance_cache.Remove(get_turf(src))
 	return
 
 // Proc: force_open()

code/game/machinery/doors/door.dm

@@ -73,8 +73,7 @@
 /obj/machinery/door/Destroy()
 	density = 0
 	update_nearby_tiles()
-	..()
-	return
+	. = ..()
 
 /obj/machinery/door/process()
 	if(close_door_at && world.time >= close_door_at)
@@ -362,6 +361,7 @@
 		icon_state = "door1"
 	else
 		icon_state = "door0"
+	radiation_repository.resistance_cache.Remove(get_turf(src))
 	return
 
 

code/game/machinery/doors/firedoor.dm

@@ -60,18 +60,18 @@
 	var/area/A = get_area(src)
 	ASSERT(istype(A))
 
-	A.all_doors.Add(src)
+	LAZYADD(A.all_doors, src)
 	areas_added = list(A)
 
 	for(var/direction in cardinal)
 		A = get_area(get_step(src,direction))
 		if(istype(A) && !(A in areas_added))
-			A.all_doors.Add(src)
+			LAZYADD(A.all_doors, src)
 			areas_added += A
 
 /obj/machinery/door/firedoor/Destroy()
 	for(var/area/A in areas_added)
-		A.all_doors.Remove(src)
+		LAZYREMOVE(A.all_doors, src)
 	. = ..()
 
 /obj/machinery/door/firedoor/get_material()

code/game/machinery/doors/windowdoor.dm

@@ -60,7 +60,7 @@
 /obj/machinery/door/window/Destroy()
 	density = 0
 	update_nearby_tiles()
-	..()
+	return ..()
 
 /obj/machinery/door/window/Bumped(atom/movable/AM as mob|obj)
 	if (!( ismob(AM) ))

code/game/machinery/floor_light.dm

@@ -150,7 +150,7 @@ var/list/floor_light_cache = list()
 	var/area/A = get_area(src)
 	if(A)
 		on = 0
-	..()
+	. = ..()
 
 /obj/machinery/floor_light/cultify()
 	default_light_colour = "#FF0000"

code/game/machinery/hologram.dm

@@ -202,7 +202,7 @@ For the other part of the code, check silicon say.dm. Particularly robot talk.*/
 /obj/machinery/hologram/holopad/Destroy()
 	for (var/mob/living/silicon/ai/master in masters)
 		clear_holo(master)
-	..()
+	return ..()
 
 /*
 Holographic project of everything else.

code/game/machinery/pipe/construction.dm

@@ -485,7 +485,7 @@ Buildable meters
 			var/turf/T = P.loc
 			P.level = !T.is_plating() ? 2 : 1
 			P.initialize()
-			if (deleted(P))
+			if (QDELETED(P))
 				usr << pipefailtext
 				return 1
 			P.build_network()
@@ -504,7 +504,7 @@ Buildable meters
 			var/turf/T = P.loc
 			P.level = !T.is_plating() ? 2 : 1
 			P.initialize()
-			if (deleted(P))
+			if (QDELETED(P))
 				usr << pipefailtext
 				return 1
 			P.build_network()
@@ -523,7 +523,7 @@ Buildable meters
 			var/turf/T = P.loc
 			P.level = !T.is_plating() ? 2 : 1
 			P.initialize()
-			if (deleted(P))
+			if (QDELETED(P))
 				usr << pipefailtext
 				return 1
 			P.build_network()
@@ -542,7 +542,7 @@ Buildable meters
 			var/turf/T = P.loc
 			P.level = !T.is_plating() ? 2 : 1
 			P.initialize()
-			if (deleted(P))
+			if (QDELETED(P))
 				usr << pipefailtext
 				return 1
 			P.build_network()
@@ -559,7 +559,7 @@ Buildable meters
 			P.initialize_directions = pipe_dir //this var it's used to know if the pipe is bent or not
 			P.initialize_directions_he = pipe_dir
 			P.initialize()
-			if (deleted(P))
+			if (QDELETED(P))
 				usr << pipefailtext
 				return 1
 			P.build_network()
@@ -594,7 +594,7 @@ Buildable meters
 			var/turf/T = M.loc
 			M.level = !T.is_plating() ? 2 : 1
 			M.initialize()
-			if (deleted(M))
+			if (QDELETED(M))
 				usr << pipefailtext
 				return 1
 			M.build_network()
@@ -663,7 +663,7 @@ Buildable meters
 			var/turf/T = M.loc
 			M.level = !T.is_plating() ? 2 : 1
 			M.initialize()
-			if (deleted(M))
+			if (QDELETED(M))
 				usr << pipefailtext
 				return 1
 			M.build_network()
@@ -740,7 +740,7 @@ Buildable meters
 			P.initialize_directions = src.get_pdir()
 			P.initialize_directions_he = src.get_hdir()
 			P.initialize()
-			if (deleted(P))
+			if (QDELETED(P))
 				usr << pipefailtext //"There's nothing to connect this pipe to! (with how the pipe code works, at least one end needs to be connected to something, otherwise the game deletes the segment)"
 				return 1
 			P.build_network()
@@ -922,7 +922,7 @@ Buildable meters
 			var/turf/T = P.loc
 			P.level = !T.is_plating() ? 2 : 1
 			P.initialize()
-			if (deleted(P))
+			if (QDELETED(P))
 				usr << pipefailtext
 				return 1
 			P.build_network()

code/game/machinery/pipe/pipelayer.dm

@@ -23,9 +23,8 @@
 	update_icon()
 
 /obj/machinery/pipelayer/Destroy()
-	qdel(W)
-	W = null
-	..()
+	qdel_null(W)
+	. = ..()
 
 /obj/machinery/pipelayer/RefreshParts()
 	var/mb_rating = 0

code/game/machinery/requests_console.dm

@@ -97,7 +97,7 @@ var/list/obj/machinery/requests_console/allConsoles = list()
 			req_console_supplies -= department
 		if(departmentType & RC_INFO)
 			req_console_information -= department
-	..()
+	return ..()
 
 /obj/machinery/requests_console/attack_hand(user as mob)
 	if(..(user))

code/game/machinery/vending.dm

@@ -1029,7 +1029,7 @@
 	icon_state = "engivend"
 	icon_deny = "engivend-deny"
 	req_access = list(access_engine_equip)
-	products = list(/obj/item/clothing/glasses/meson = 2,/obj/item/device/multitool = 4,/obj/item/weapon/cell/high = 10,
+	products = list(/obj/item/device/geiger = 4,/obj/item/clothing/glasses/meson = 2,/obj/item/device/multitool = 4,/obj/item/weapon/cell/high = 10,
 					/obj/item/weapon/airlock_electronics = 10,/obj/item/weapon/module/power_control = 10,
 					/obj/item/weapon/circuitboard/airalarm = 10,/obj/item/weapon/circuitboard/firealarm = 10,/obj/item/weapon/circuitboard/status_display = 2,
 					/obj/item/weapon/circuitboard/ai_status_display = 2,/obj/item/weapon/circuitboard/newscaster = 2,/obj/item/weapon/circuitboard/holopad = 2,

code/game/machinery/washing_machine.dm

@@ -115,7 +115,7 @@
 		user << "<span class='warning'>You can't fit \the [W] inside.</span>"
 		return
 
-	else if(istype(W, /obj/item/clothing))
+	else if(istype(W, /obj/item/clothing) || istype(W, /obj/item/weapon/bedsheet))
 		if(washing.len < 5)
 			if(state in list(1, 3))
 				user.drop_item()

code/game/mecha/equipment/tools/tools.dm

@@ -973,11 +973,7 @@
 
 	process(var/obj/item/mecha_parts/mecha_equipment/generator/nuclear/EG)
 		if(..())
-			for(var/mob/living/carbon/M in view(EG.chassis))
-				if(istype(M,/mob/living/carbon/human))
-					M.apply_effect((EG.rad_per_cycle*3),IRRADIATE,0)
-				else
-					M.apply_effect(EG.rad_per_cycle, IRRADIATE)
+			radiation_repository.radiate(EG, (EG.rad_per_cycle * 3))
 		return 1
 
 

code/game/mecha/mecha.dm

@@ -140,18 +140,14 @@
 	cell = null
 	internal_tank = null
 
-	qdel(pr_int_temp_processor)
-	qdel(pr_inertial_movement)
-	qdel(pr_give_air)
-	qdel(pr_internal_damage)
-	qdel(spark_system)
-	pr_int_temp_processor = null
-	pr_give_air = null
-	pr_internal_damage = null
-	spark_system = null
+	qdel_null(pr_int_temp_processor)
+	qdel_null(pr_inertial_movement)
+	qdel_null(pr_give_air)
+	qdel_null(pr_internal_damage)
+	qdel_null(spark_system)
 
 	mechas_list -= src //global mech list
-	..()
+	. = ..()
 
 ////////////////////////
 ////// Helpers /////////