diff --git a/code/game/objects/explosion_recursive.dm b/code/game/objects/explosion_recursive.dm
new file mode 100644
index 00000000000..cc6d9a52b47
--- /dev/null
+++ b/code/game/objects/explosion_recursive.dm
@@ -0,0 +1,128 @@
+/* - uncomment this to test it out!
+/mob/verb/kaboom()
+	var/power = input(src, "power?", "power?") as num
+	var/turf/T = get_turf(src)
+	explosion_rec(T, power)
+*/
+
+/datum/explosion_turf
+	var/turf/turf //The turf which will get ex_act called on it
+	var/max_power //The largest amount of power the turf sustained
+
+	New()
+		..()
+		max_power = 0
+
+	proc/save_power_if_larger(power)
+		if(power > max_power)
+			max_power = power
+			return 1
+		return 0
+
+var/list/datum/explosion_turf/explosion_turfs = list()
+var/explosion_in_progress = 0
+
+proc/get_explosion_turf(var/turf/T)
+	for( var/datum/explosion_turf/ET in explosion_turfs )
+		if( T == ET.turf )
+			return ET
+	var/datum/explosion_turf/ET = new()
+	ET.turf = T
+	explosion_turfs += ET
+	return ET
+
+proc/explosion_rec(turf/epicenter, power)
+
+	var/loopbreak = 0
+	while(explosion_in_progress)
+		if(loopbreak >= 15) return
+		sleep(10)
+		loopbreak++
+
+	if(power <= 0) return
+	epicenter = get_turf(epicenter)
+	if(!epicenter) return
+
+	message_admins("Explosion with size ([power]) in area [epicenter.loc.name] ([epicenter.x],[epicenter.y],[epicenter.z])")
+	log_game("Explosion with size ([power]) in area [epicenter.loc.name] ")
+
+	playsound(epicenter, 'explosionfar.ogg', 100, 1, round(power*2,1) )
+	playsound(epicenter, "explosion", 100, 1, round(power,1) )
+
+	explosion_in_progress = 1
+	explosion_turfs = list()
+	var/datum/explosion_turf/ETE = get_explosion_turf()
+	ETE.turf = epicenter
+	ETE.max_power = power
+
+	//This steap handles the gathering of turfs which will be ex_act() -ed in the next step. It also ensures each turf gets the maximum possible amount of power dealt to it.
+	for(var/direction in cardinal)
+		var/turf/T = get_step(epicenter, direction)
+		T.explosion_spread(power - epicenter.explosion_resistance)
+
+	//This step applies the ex_act effects for the explosion, as planned in the previous step.
+	for( var/datum/explosion_turf/ET in explosion_turfs )
+		if(ET.max_power <= 0) continue
+		if(!ET.turf) continue
+
+		var/severity = 4 - round(max(min( 3, (ET.max_power / 3) ) ,1), 1)
+		var/x = ET.turf.x
+		var/y = ET.turf.y
+		var/z = ET.turf.z
+		ET.turf.ex_act(severity)
+		if(!ET.turf)
+			ET.turf = locate(x,y,z)
+		for( var/atom/A in ET.turf )
+			A.ex_act(severity)
+
+	explosion_in_progress = 0
+
+/turf
+	var/explosion_resistance
+
+/turf/space
+	explosion_resistance = 10
+
+/turf/simulated/floor
+	explosion_resistance = 1
+
+/turf/simulated/mineral
+	explosion_resistance = 2
+
+/turf/simulated/shuttle/floor
+	explosion_resistance = 1
+
+/turf/simulated/shuttle/floor4
+	explosion_resistance = 1
+
+/turf/simulated/shuttle/plating
+	explosion_resistance = 1
+
+/turf/simulated/shuttle/wall
+	explosion_resistance = 5
+
+/turf/simulated/wall
+	explosion_resistance = 5
+
+/turf/simulated/r_wall
+	explosion_resistance = 25
+
+/turf/simulated/wall/r_wall
+	explosion_resistance = 25
+
+//Code-wise, a safe value for power is something up to ~25 or ~30.. This does quite a bit of damage to the station.
+/turf/proc/explosion_spread(power)
+	if(power <= 0)
+		return
+
+	var/datum/explosion_turf/ET = get_explosion_turf(src)
+	if(ET.max_power >= power)
+		return //The turf already sustained and spread a power greated than what we are dealing with. No point spreading again.
+	ET.max_power = power
+
+	for(var/direction in cardinal)
+		var/turf/T = get_step(src, direction)
+		T.explosion_spread(power - src.explosion_resistance)
+
+/turf/unsimulated/explosion_spread(power)
+	return //So it doesn't get to the parent proc, which simulates explosions
\ No newline at end of file
diff --git a/code/modules/power/sd_DynamicAreaLighting.dm b/code/modules/power/sd_DynamicAreaLighting.dm
index 3f40d6caba7..3caf18da5f6 100644
--- a/code/modules/power/sd_DynamicAreaLighting.dm
+++ b/code/modules/power/sd_DynamicAreaLighting.dm
@@ -399,6 +399,7 @@ atom
 				/*	increase the turf's brightness depending on the
 					brightness and distance of the lightsource */
 				T.sd_lumcount -= (luminosity-get_dist(center,T))
+				T.sd_lumcount = max(0, T.sd_lumcount)
 
 				//if(T.tag == "sdd")
 				//	slog << "\red lc-([luminosity-get_dist(center,T)]) from [center] ([center:x],[center:y])"
@@ -484,6 +485,7 @@ atom
 					if(ATurf)
 						for(T in affected[A]-view(A.luminosity, ATurf))
 							T.sd_lumcount -= (A.luminosity-get_dist(A,T))
+							T.sd_lumcount = max(0, T.sd_lumcount)
 
 							//if(T.tag == "sdd")
 							//	slog << "\red lc(1)-([A.luminosity-get_dist(A,T)]) from [A] ([A.x],[A.y])"
diff --git a/tgstation.dme b/tgstation.dme
index 31eb21a3f05..31a11f2e346 100644
--- a/tgstation.dme
+++ b/tgstation.dme
@@ -5,266 +5,6 @@
 // END_INTERNALS
 // BEGIN_FILE_DIR
 #define FILE_DIR .
-#define FILE_DIR ".svn"
-#define FILE_DIR ".svn/pristine"
-#define FILE_DIR ".svn/pristine/00"
-#define FILE_DIR ".svn/pristine/01"
-#define FILE_DIR ".svn/pristine/02"
-#define FILE_DIR ".svn/pristine/03"
-#define FILE_DIR ".svn/pristine/04"
-#define FILE_DIR ".svn/pristine/05"
-#define FILE_DIR ".svn/pristine/06"
-#define FILE_DIR ".svn/pristine/07"
-#define FILE_DIR ".svn/pristine/08"
-#define FILE_DIR ".svn/pristine/09"
-#define FILE_DIR ".svn/pristine/0a"
-#define FILE_DIR ".svn/pristine/0b"
-#define FILE_DIR ".svn/pristine/0c"
-#define FILE_DIR ".svn/pristine/0d"
-#define FILE_DIR ".svn/pristine/0e"
-#define FILE_DIR ".svn/pristine/0f"
-#define FILE_DIR ".svn/pristine/10"
-#define FILE_DIR ".svn/pristine/11"
-#define FILE_DIR ".svn/pristine/12"
-#define FILE_DIR ".svn/pristine/13"
-#define FILE_DIR ".svn/pristine/14"
-#define FILE_DIR ".svn/pristine/15"
-#define FILE_DIR ".svn/pristine/16"
-#define FILE_DIR ".svn/pristine/17"
-#define FILE_DIR ".svn/pristine/18"
-#define FILE_DIR ".svn/pristine/19"
-#define FILE_DIR ".svn/pristine/1a"
-#define FILE_DIR ".svn/pristine/1b"
-#define FILE_DIR ".svn/pristine/1c"
-#define FILE_DIR ".svn/pristine/1d"
-#define FILE_DIR ".svn/pristine/1e"
-#define FILE_DIR ".svn/pristine/1f"
-#define FILE_DIR ".svn/pristine/20"
-#define FILE_DIR ".svn/pristine/21"
-#define FILE_DIR ".svn/pristine/22"
-#define FILE_DIR ".svn/pristine/23"
-#define FILE_DIR ".svn/pristine/24"
-#define FILE_DIR ".svn/pristine/25"
-#define FILE_DIR ".svn/pristine/26"
-#define FILE_DIR ".svn/pristine/27"
-#define FILE_DIR ".svn/pristine/28"
-#define FILE_DIR ".svn/pristine/29"
-#define FILE_DIR ".svn/pristine/2a"
-#define FILE_DIR ".svn/pristine/2b"
-#define FILE_DIR ".svn/pristine/2c"
-#define FILE_DIR ".svn/pristine/2d"
-#define FILE_DIR ".svn/pristine/2e"
-#define FILE_DIR ".svn/pristine/2f"
-#define FILE_DIR ".svn/pristine/30"
-#define FILE_DIR ".svn/pristine/31"
-#define FILE_DIR ".svn/pristine/32"
-#define FILE_DIR ".svn/pristine/33"
-#define FILE_DIR ".svn/pristine/34"
-#define FILE_DIR ".svn/pristine/35"
-#define FILE_DIR ".svn/pristine/36"
-#define FILE_DIR ".svn/pristine/37"
-#define FILE_DIR ".svn/pristine/38"
-#define FILE_DIR ".svn/pristine/39"
-#define FILE_DIR ".svn/pristine/3a"
-#define FILE_DIR ".svn/pristine/3b"
-#define FILE_DIR ".svn/pristine/3c"
-#define FILE_DIR ".svn/pristine/3d"
-#define FILE_DIR ".svn/pristine/3e"
-#define FILE_DIR ".svn/pristine/3f"
-#define FILE_DIR ".svn/pristine/40"
-#define FILE_DIR ".svn/pristine/41"
-#define FILE_DIR ".svn/pristine/42"
-#define FILE_DIR ".svn/pristine/43"
-#define FILE_DIR ".svn/pristine/44"
-#define FILE_DIR ".svn/pristine/45"
-#define FILE_DIR ".svn/pristine/46"
-#define FILE_DIR ".svn/pristine/47"
-#define FILE_DIR ".svn/pristine/48"
-#define FILE_DIR ".svn/pristine/49"
-#define FILE_DIR ".svn/pristine/4a"
-#define FILE_DIR ".svn/pristine/4b"
-#define FILE_DIR ".svn/pristine/4c"
-#define FILE_DIR ".svn/pristine/4d"
-#define FILE_DIR ".svn/pristine/4e"
-#define FILE_DIR ".svn/pristine/4f"
-#define FILE_DIR ".svn/pristine/50"
-#define FILE_DIR ".svn/pristine/51"
-#define FILE_DIR ".svn/pristine/52"
-#define FILE_DIR ".svn/pristine/53"
-#define FILE_DIR ".svn/pristine/54"
-#define FILE_DIR ".svn/pristine/55"
-#define FILE_DIR ".svn/pristine/56"
-#define FILE_DIR ".svn/pristine/57"
-#define FILE_DIR ".svn/pristine/58"
-#define FILE_DIR ".svn/pristine/59"
-#define FILE_DIR ".svn/pristine/5a"
-#define FILE_DIR ".svn/pristine/5b"
-#define FILE_DIR ".svn/pristine/5c"
-#define FILE_DIR ".svn/pristine/5d"
-#define FILE_DIR ".svn/pristine/5e"
-#define FILE_DIR ".svn/pristine/5f"
-#define FILE_DIR ".svn/pristine/60"
-#define FILE_DIR ".svn/pristine/61"
-#define FILE_DIR ".svn/pristine/62"
-#define FILE_DIR ".svn/pristine/63"
-#define FILE_DIR ".svn/pristine/64"
-#define FILE_DIR ".svn/pristine/65"
-#define FILE_DIR ".svn/pristine/66"
-#define FILE_DIR ".svn/pristine/67"
-#define FILE_DIR ".svn/pristine/68"
-#define FILE_DIR ".svn/pristine/69"
-#define FILE_DIR ".svn/pristine/6a"
-#define FILE_DIR ".svn/pristine/6b"
-#define FILE_DIR ".svn/pristine/6c"
-#define FILE_DIR ".svn/pristine/6d"
-#define FILE_DIR ".svn/pristine/6e"
-#define FILE_DIR ".svn/pristine/6f"
-#define FILE_DIR ".svn/pristine/70"
-#define FILE_DIR ".svn/pristine/71"
-#define FILE_DIR ".svn/pristine/72"
-#define FILE_DIR ".svn/pristine/73"
-#define FILE_DIR ".svn/pristine/74"
-#define FILE_DIR ".svn/pristine/75"
-#define FILE_DIR ".svn/pristine/76"
-#define FILE_DIR ".svn/pristine/77"
-#define FILE_DIR ".svn/pristine/78"
-#define FILE_DIR ".svn/pristine/79"
-#define FILE_DIR ".svn/pristine/7a"
-#define FILE_DIR ".svn/pristine/7b"
-#define FILE_DIR ".svn/pristine/7c"
-#define FILE_DIR ".svn/pristine/7d"
-#define FILE_DIR ".svn/pristine/7e"
-#define FILE_DIR ".svn/pristine/7f"
-#define FILE_DIR ".svn/pristine/80"
-#define FILE_DIR ".svn/pristine/81"
-#define FILE_DIR ".svn/pristine/82"
-#define FILE_DIR ".svn/pristine/83"
-#define FILE_DIR ".svn/pristine/84"
-#define FILE_DIR ".svn/pristine/85"
-#define FILE_DIR ".svn/pristine/86"
-#define FILE_DIR ".svn/pristine/87"
-#define FILE_DIR ".svn/pristine/88"
-#define FILE_DIR ".svn/pristine/89"
-#define FILE_DIR ".svn/pristine/8a"
-#define FILE_DIR ".svn/pristine/8b"
-#define FILE_DIR ".svn/pristine/8c"
-#define FILE_DIR ".svn/pristine/8d"
-#define FILE_DIR ".svn/pristine/8e"
-#define FILE_DIR ".svn/pristine/8f"
-#define FILE_DIR ".svn/pristine/90"
-#define FILE_DIR ".svn/pristine/91"
-#define FILE_DIR ".svn/pristine/92"
-#define FILE_DIR ".svn/pristine/93"
-#define FILE_DIR ".svn/pristine/94"
-#define FILE_DIR ".svn/pristine/95"
-#define FILE_DIR ".svn/pristine/96"
-#define FILE_DIR ".svn/pristine/97"
-#define FILE_DIR ".svn/pristine/98"
-#define FILE_DIR ".svn/pristine/99"
-#define FILE_DIR ".svn/pristine/9a"
-#define FILE_DIR ".svn/pristine/9b"
-#define FILE_DIR ".svn/pristine/9c"
-#define FILE_DIR ".svn/pristine/9d"
-#define FILE_DIR ".svn/pristine/9e"
-#define FILE_DIR ".svn/pristine/9f"
-#define FILE_DIR ".svn/pristine/a0"
-#define FILE_DIR ".svn/pristine/a1"
-#define FILE_DIR ".svn/pristine/a2"
-#define FILE_DIR ".svn/pristine/a3"
-#define FILE_DIR ".svn/pristine/a4"
-#define FILE_DIR ".svn/pristine/a5"
-#define FILE_DIR ".svn/pristine/a6"
-#define FILE_DIR ".svn/pristine/a7"
-#define FILE_DIR ".svn/pristine/a8"
-#define FILE_DIR ".svn/pristine/a9"
-#define FILE_DIR ".svn/pristine/aa"
-#define FILE_DIR ".svn/pristine/ab"
-#define FILE_DIR ".svn/pristine/ac"
-#define FILE_DIR ".svn/pristine/ad"
-#define FILE_DIR ".svn/pristine/ae"
-#define FILE_DIR ".svn/pristine/af"
-#define FILE_DIR ".svn/pristine/b0"
-#define FILE_DIR ".svn/pristine/b1"
-#define FILE_DIR ".svn/pristine/b2"
-#define FILE_DIR ".svn/pristine/b3"
-#define FILE_DIR ".svn/pristine/b4"
-#define FILE_DIR ".svn/pristine/b5"
-#define FILE_DIR ".svn/pristine/b6"
-#define FILE_DIR ".svn/pristine/b7"
-#define FILE_DIR ".svn/pristine/b8"
-#define FILE_DIR ".svn/pristine/b9"
-#define FILE_DIR ".svn/pristine/ba"
-#define FILE_DIR ".svn/pristine/bb"
-#define FILE_DIR ".svn/pristine/bc"
-#define FILE_DIR ".svn/pristine/bd"
-#define FILE_DIR ".svn/pristine/be"
-#define FILE_DIR ".svn/pristine/bf"
-#define FILE_DIR ".svn/pristine/c0"
-#define FILE_DIR ".svn/pristine/c1"
-#define FILE_DIR ".svn/pristine/c2"
-#define FILE_DIR ".svn/pristine/c3"
-#define FILE_DIR ".svn/pristine/c4"
-#define FILE_DIR ".svn/pristine/c5"
-#define FILE_DIR ".svn/pristine/c6"
-#define FILE_DIR ".svn/pristine/c7"
-#define FILE_DIR ".svn/pristine/c8"
-#define FILE_DIR ".svn/pristine/c9"
-#define FILE_DIR ".svn/pristine/ca"
-#define FILE_DIR ".svn/pristine/cb"
-#define FILE_DIR ".svn/pristine/cc"
-#define FILE_DIR ".svn/pristine/cd"
-#define FILE_DIR ".svn/pristine/ce"
-#define FILE_DIR ".svn/pristine/cf"
-#define FILE_DIR ".svn/pristine/d0"
-#define FILE_DIR ".svn/pristine/d1"
-#define FILE_DIR ".svn/pristine/d2"
-#define FILE_DIR ".svn/pristine/d3"
-#define FILE_DIR ".svn/pristine/d4"
-#define FILE_DIR ".svn/pristine/d5"
-#define FILE_DIR ".svn/pristine/d6"
-#define FILE_DIR ".svn/pristine/d7"
-#define FILE_DIR ".svn/pristine/d8"
-#define FILE_DIR ".svn/pristine/d9"
-#define FILE_DIR ".svn/pristine/da"
-#define FILE_DIR ".svn/pristine/db"
-#define FILE_DIR ".svn/pristine/dc"
-#define FILE_DIR ".svn/pristine/dd"
-#define FILE_DIR ".svn/pristine/de"
-#define FILE_DIR ".svn/pristine/df"
-#define FILE_DIR ".svn/pristine/e0"
-#define FILE_DIR ".svn/pristine/e1"
-#define FILE_DIR ".svn/pristine/e2"
-#define FILE_DIR ".svn/pristine/e3"
-#define FILE_DIR ".svn/pristine/e4"
-#define FILE_DIR ".svn/pristine/e5"
-#define FILE_DIR ".svn/pristine/e6"
-#define FILE_DIR ".svn/pristine/e7"
-#define FILE_DIR ".svn/pristine/e8"
-#define FILE_DIR ".svn/pristine/e9"
-#define FILE_DIR ".svn/pristine/ea"
-#define FILE_DIR ".svn/pristine/eb"
-#define FILE_DIR ".svn/pristine/ec"
-#define FILE_DIR ".svn/pristine/ed"
-#define FILE_DIR ".svn/pristine/ee"
-#define FILE_DIR ".svn/pristine/ef"
-#define FILE_DIR ".svn/pristine/f0"
-#define FILE_DIR ".svn/pristine/f1"
-#define FILE_DIR ".svn/pristine/f2"
-#define FILE_DIR ".svn/pristine/f3"
-#define FILE_DIR ".svn/pristine/f4"
-#define FILE_DIR ".svn/pristine/f5"
-#define FILE_DIR ".svn/pristine/f6"
-#define FILE_DIR ".svn/pristine/f7"
-#define FILE_DIR ".svn/pristine/f8"
-#define FILE_DIR ".svn/pristine/f9"
-#define FILE_DIR ".svn/pristine/fa"
-#define FILE_DIR ".svn/pristine/fb"
-#define FILE_DIR ".svn/pristine/fc"
-#define FILE_DIR ".svn/pristine/fd"
-#define FILE_DIR ".svn/pristine/fe"
-#define FILE_DIR ".svn/pristine/ff"
-#define FILE_DIR "bot"
-#define FILE_DIR "bot/Marakov"
 #define FILE_DIR "code"
 #define FILE_DIR "code/ATMOSPHERICS"
 #define FILE_DIR "code/ATMOSPHERICS/components"
@@ -426,20 +166,6 @@
 #define FILE_DIR "code/WorkInProgress/mapload"
 #define FILE_DIR "code/WorkInProgress/organs"
 #define FILE_DIR "code/WorkInProgress/virus2"
-#define FILE_DIR "config"
-#define FILE_DIR "config/names"
-#define FILE_DIR "data"
-#define FILE_DIR "data/logs"
-#define FILE_DIR "data/logs/2012"
-#define FILE_DIR "data/logs/2012/07-July"
-#define FILE_DIR "data/player_saves"
-#define FILE_DIR "data/player_saves/d"
-#define FILE_DIR "data/player_saves/d/doohl"
-#define FILE_DIR "data/player_saves/g"
-#define FILE_DIR "data/player_saves/g/giacomand"
-#define FILE_DIR "data/player_saves/g/giacomt"
-#define FILE_DIR "data/player_saves/p"
-#define FILE_DIR "data/player_saves/p/petethegoat"
 #define FILE_DIR "html"
 #define FILE_DIR "icons"
 #define FILE_DIR "icons/48x48"
@@ -455,7 +181,6 @@
 #define FILE_DIR "icons/obj/machines"
 #define FILE_DIR "icons/obj/pipes"
 #define FILE_DIR "icons/pda_icons"
-#define FILE_DIR "icons/PSD files"
 #define FILE_DIR "icons/spideros_icons"
 #define FILE_DIR "icons/Testing"
 #define FILE_DIR "icons/turf"
@@ -464,10 +189,9 @@
 #define FILE_DIR "icons/vending_icons"
 #define FILE_DIR "interface"
 #define FILE_DIR "maps"
+#define FILE_DIR "maps/backup"
 #define FILE_DIR "maps/RandomZLevels"
-#define FILE_DIR "music"
 #define FILE_DIR "Redirector"
-#define FILE_DIR "Runtime Condenser"
 #define FILE_DIR "sound"
 #define FILE_DIR "sound/AI"
 #define FILE_DIR "sound/ambience"
@@ -480,16 +204,6 @@
 #define FILE_DIR "sound/piano"
 #define FILE_DIR "sound/voice"
 #define FILE_DIR "sound/weapons"
-#define FILE_DIR "SQL"
-#define FILE_DIR "tools"
-#define FILE_DIR "tools/UnstandardnessTestForDM"
-#define FILE_DIR "tools/UnstandardnessTestForDM/UnstandardnessTestForDM"
-#define FILE_DIR "tools/UnstandardnessTestForDM/UnstandardnessTestForDM/bin"
-#define FILE_DIR "tools/UnstandardnessTestForDM/UnstandardnessTestForDM/bin/Debug"
-#define FILE_DIR "tools/UnstandardnessTestForDM/UnstandardnessTestForDM/obj"
-#define FILE_DIR "tools/UnstandardnessTestForDM/UnstandardnessTestForDM/obj/x86"
-#define FILE_DIR "tools/UnstandardnessTestForDM/UnstandardnessTestForDM/obj/x86/Debug"
-#define FILE_DIR "tools/UnstandardnessTestForDM/UnstandardnessTestForDM/Properties"
 // END_FILE_DIR
 
 // BEGIN_PREFERENCES
@@ -881,6 +595,7 @@
 #include "code\game\objects\electricchair.dm"
 #include "code\game\objects\empulse.dm"
 #include "code\game\objects\explosion.dm"
+#include "code\game\objects\explosion_recursive.dm"
 #include "code\game\objects\gibs.dm"
 #include "code\game\objects\glowshroom.dm"
 #include "code\game\objects\grille.dm"