initial commit - cross reference with 5th port - obviously has compile errors

code/game/turfs/closed.dm

@@ -0,0 +1,82 @@
+/turf/closed
+	var/thermite = 0
+	layer = CLOSED_TURF_LAYER
+	opacity = 1
+	density = 1
+	blocks_air = 1
+
+/turf/closed/indestructible
+	name = "wall"
+	icon = 'icons/turf/walls.dmi'
+	explosion_block = 50
+
+/turf/closed/indestructible/oldshuttle
+	name = "strange shuttle wall"
+	icon = 'icons/turf/shuttleold.dmi'
+	icon_state = "block"
+
+/turf/closed/indestructible/oldshuttle/corner
+	icon_state = "corner"
+
+
+
+
+/turf/closed/indestructible/splashscreen
+	name = "Space Station 13"
+	icon = 'icons/misc/fullscreen.dmi'
+	icon_state = "title"
+	layer = FLY_LAYER
+	var/titlescreen = TITLESCREEN
+
+/turf/closed/indestructible/splashscreen/New()
+	..()
+	if(titlescreen)
+		icon_state = titlescreen
+
+/turf/closed/indestructible/riveted
+	icon_state = "riveted"
+
+/turf/closed/indestructible/riveted/New()
+	..()
+	if(smooth)
+		queue_smooth(src)
+		icon_state = ""
+
+/turf/closed/indestructible/riveted/uranium
+	icon = 'icons/turf/walls/uranium_wall.dmi'
+	icon_state = "uranium"
+	smooth = SMOOTH_TRUE
+
+/turf/closed/indestructible/abductor
+	icon_state = "alien1"
+
+/turf/closed/indestructible/opshuttle
+	icon_state = "wall3"
+
+/turf/closed/indestructible/fakeglass
+	name = "window"
+	icon_state = "fakewindows"
+	opacity = 0
+
+/turf/closed/indestructible/fakedoor
+	name = "Centcom Access"
+	icon = 'icons/obj/doors/airlocks/centcom/centcom.dmi'
+	icon_state = "fake_door"
+
+/turf/closed/indestructible/rock
+	name = "dense rock"
+	desc = "An extremely densely-packed rock, most mining tools or explosives would never get through this."
+	icon = 'icons/turf/mining.dmi'
+	icon_state = "rock"
+
+/turf/closed/indestructible/rock/snow
+	name = "mountainside"
+	desc = "An extremely densely-packed rock, sheeted over with centuries worth of ice and snow."
+	icon = 'icons/turf/walls.dmi'
+	icon_state = "snowrock"
+
+/turf/closed/indestructible/rock/snow/ice
+	name = "iced rock"
+	desc = "Extremely densely-packed sheets of ice and rock, forged over the years of the harsh cold."
+	icon = 'icons/turf/walls.dmi'
+	icon_state = "icerock"

code/game/turfs/open.dm

@@ -0,0 +1,178 @@
+/turf/open
+	var/slowdown = 0 //negative for faster, positive for slower
+
+	var/wet = 0
+	var/wet_time = 0 // Time in seconds that this floor will be wet for.
+	var/image/wet_overlay = null
+
+/turf/open/indestructible
+	name = "floor"
+	icon = 'icons/turf/floors.dmi'
+	icon_state = "floor"
+
+/turf/open/indestructible/sound
+	name = "squeeky floor"
+	var/sound
+
+/turf/open/indestructible/sound/Entered(var/mob/AM)
+	if(istype(AM))
+		playsound(src,sound,50,1)
+
+/turf/open/Initalize_Atmos(times_fired)
+	excited = 0
+	update_visuals()
+
+	current_cycle = times_fired
+
+	//cache some vars
+	var/datum/gas_mixture/air = src.air
+	var/list/atmos_adjacent_turfs = src.atmos_adjacent_turfs
+
+	for(var/direction in cardinal)
+		var/turf/open/enemy_tile = get_step(src, direction)
+		if(!istype(enemy_tile))
+			atmos_adjacent_turfs -= enemy_tile
+			continue
+		var/datum/gas_mixture/enemy_air = enemy_tile.return_air()
+
+		//only check this turf, if it didn't check us when it was initalized
+		if(enemy_tile.current_cycle < times_fired)
+			if(CanAtmosPass(enemy_tile))
+				atmos_adjacent_turfs |= enemy_tile
+				enemy_tile.atmos_adjacent_turfs |= src
+			else
+				atmos_adjacent_turfs -= enemy_tile
+				enemy_tile.atmos_adjacent_turfs -= src
+				continue
+		else
+			if (!(enemy_tile in atmos_adjacent_turfs))
+				continue
+
+
+		var/is_active = air.compare(enemy_air)
+
+		if(is_active)
+			//testing("Active turf found. Return value of compare(): [is_active]")
+			if(!excited) //make sure we aren't already excited
+				excited = 1
+				SSair.active_turfs |= src
+
+/turf/open/proc/GetHeatCapacity()
+	. = air.heat_capacity()
+
+/turf/open/proc/GetTemperature()
+	. = air.temperature
+
+/turf/open/proc/TakeTemperature(temp)
+	air.temperature += temp
+	air_update_turf()
+
+/turf/open/handle_fall(mob/faller, forced)
+	faller.lying = pick(90, 270)
+	if(!forced)
+		return
+	if(has_gravity(src))
+		playsound(src, "bodyfall", 50, 1)
+
+/turf/open/handle_slip(mob/living/carbon/C, s_amount, w_amount, obj/O, lube)
+	if(has_gravity(src))
+		var/obj/buckled_obj
+		if(C.buckled)
+			buckled_obj = C.buckled
+			if(!(lube&GALOSHES_DONT_HELP)) //can't slip while buckled unless it's lube.
+				return 0
+		else
+			if(C.lying || !(C.status_flags & CANWEAKEN)) // can't slip unbuckled mob if they're lying or can't fall.
+				return 0
+			if(C.m_intent=="walk" && (lube&NO_SLIP_WHEN_WALKING))
+				return 0
+		C << "<span class='notice'>You slipped[ O ? " on the [O.name]" : ""]!</span>"
+
+		C.attack_log += "\[[time_stamp()]\] <font color='orange'>Slipped[O ? " on the [O.name]" : ""][(lube&SLIDE)? " (LUBE)" : ""]!</font>"
+		playsound(C.loc, 'sound/misc/slip.ogg', 50, 1, -3)
+
+		C.accident(C.l_hand)
+		C.accident(C.r_hand)
+
+		var/olddir = C.dir
+		C.Stun(s_amount)
+		C.Weaken(w_amount)
+		C.stop_pulling()
+		if(buckled_obj)
+			buckled_obj.unbuckle_mob(C)
+			step(buckled_obj, olddir)
+		else if(lube&SLIDE)
+			for(var/i=1, i<5, i++)
+				spawn (i)
+					step(C, olddir)
+					C.spin(1,1)
+		return 1
+
+/turf/open/proc/MakeSlippery(wet_setting = TURF_WET_WATER, min_wet_time = 0, wet_time_to_add = 0) // 1 = Water, 2 = Lube, 3 = Ice, 4 = Permafrost, 5 = Slide
+	wet_time = max(wet_time+wet_time_to_add, min_wet_time)
+	if(wet >= wet_setting)
+		return
+	wet = wet_setting
+	if(wet_setting != TURF_DRY)
+		if(wet_overlay)
+			overlays -= wet_overlay
+			wet_overlay = null
+		var/turf/open/floor/F = src
+		if(istype(F))
+			if(wet_setting == TURF_WET_ICE)
+				wet_overlay = image('icons/turf/overlays.dmi', src, "snowfloor")
+			else
+				wet_overlay = image('icons/effects/water.dmi', src, "wet_floor_static")
+		else
+			wet_overlay = image('icons/effects/water.dmi', src, "wet_static")
+		add_overlay(wet_overlay)
+	HandleWet()
+
+/turf/open/proc/MakeDry(wet_setting = TURF_WET_WATER)
+	if(wet > wet_setting || !wet)
+		return
+	spawn(rand(0,20))
+		if(wet == TURF_WET_PERMAFROST)
+			wet = TURF_WET_ICE
+		else
+			wet = TURF_DRY
+			if(wet_overlay)
+				overlays -= wet_overlay
+
+/turf/open/proc/HandleWet()
+	if(!wet)
+		//It's possible for this handler to get called after all the wetness is
+		//cleared, so bail out if that is the case
+		return
+	if(!wet_time && wet < TURF_WET_ICE)
+		MakeDry(TURF_WET_ICE)
+	if(wet_time > MAXIMUM_WET_TIME)
+		wet_time = MAXIMUM_WET_TIME
+	if(wet == TURF_WET_ICE && air.temperature > T0C)
+		MakeDry(TURF_WET_ICE)
+		MakeSlippery(TURF_WET_WATER)
+	switch(air.temperature)
+		if(-INFINITY to T0C)
+			if(wet != TURF_WET_ICE && wet)
+				MakeDry(TURF_WET_ICE)
+				MakeSlippery(TURF_WET_ICE)
+		if(T0C to T20C)
+			wet_time = max(0, wet_time-1)
+		if(T20C to T0C + 40)
+			wet_time = max(0, wet_time-2)
+		if(T0C + 40 to T0C + 60)
+			wet_time = max(0, wet_time-3)
+		if(T0C + 60 to T0C + 80)
+			wet_time = max(0, wet_time-5)
+		if(T0C + 80 to T0C + 100)
+			wet_time = max(0, wet_time-10)
+		if(T0C + 100 to INFINITY)
+			wet_time = 0
+
+	if(wet && wet < TURF_WET_ICE && !wet_time)
+		MakeDry(TURF_WET_ICE)
+	if(!wet && wet_time)
+		wet_time = 0
+	if(wet)
+		addtimer(src, "HandleWet", 15)
+

code/game/turfs/simulated/dirtystation.dm

@@ -0,0 +1,131 @@
+//Janitors!  Janitors, janitors, janitors!  -Sayu
+
+
+//Conspicuously not-recent versions of suspicious cleanables
+
+/obj/effect/decal/cleanable/blood/old
+	name = "dried blood"
+	desc = "Looks like it's been here a while.  Eew."
+	bloodiness = 0
+
+/obj/effect/decal/cleanable/blood/old/New()
+	..()
+	icon_state += "-old"
+	blood_DNA["Non-human DNA"] = "A+"
+
+/obj/effect/decal/cleanable/blood/gibs/old
+	name = "old rotting gibs"
+	desc = "Space Jesus, why didn't anyone clean this up?  It smells terrible."
+	bloodiness = 0
+
+/obj/effect/decal/cleanable/blood/gibs/old/New()
+	..()
+	icon_state += "-old"
+	setDir(pick(1,2,4,8))
+	blood_DNA["Non-human DNA"] = "A+"
+
+/obj/effect/decal/cleanable/vomit/old
+	name = "crusty dried vomit"
+	desc = "You try not to look at the chunks, and fail."
+
+/obj/effect/decal/cleanable/vomit/old/New()
+	..()
+	icon_state += "-old"
+
+/obj/effect/decal/cleanable/robot_debris/old
+	name = "dusty robot debris"
+	desc = "Looks like nobody has touched this in a while."
+
+
+//Making the station dirty, one tile at a time. Called by master controller's setup_objects
+
+/turf/open/floor/proc/MakeDirty()
+	if(prob(66))	//fastest possible exit 2/3 of the time
+		return
+
+	// These look weird if you make them dirty
+	if(istype(src, /turf/open/floor/carpet) || istype(src, /turf/open/floor/grass) || istype(src, /turf/open/floor/plating/beach) || istype(src, /turf/open/floor/holofloor)|| istype(src, /turf/open/floor/plating/ironsand))
+		return
+
+	if(locate(/obj/structure/grille) in contents)
+		return
+
+	var/area/A = loc
+
+				//zero dirt
+	if(!istype(A) || istype(A, /area/centcom) || istype(A, /area/holodeck) || istype(A, /area/library) || istype(A, /area/janitor) || istype(A, /area/chapel) || istype(A, /area/mine/explored) || istype(A, /area/mine/unexplored) || istype(A, /area/solar) || istype(A, /area/atmos) || istype(A, /area/medical/virology))
+		return
+
+				//high dirt - 1/3
+	if(istype(A, /area/toxins/test_area) || istype(A, /area/mine/production) || istype(A, /area/mine/living_quarters) || istype(A, /area/mine/north_outpost) || istype(A, /area/mine/west_outpost) || istype(A, /area/wreck) || istype(A, /area/derelict) || istype(A, /area/djstation))
+		new /obj/effect/decal/cleanable/dirt(src)	//vanilla, but it works
+		return
+
+	if(prob(80))	//mid dirt  - 1/15
+		return
+
+	if(istype(A, /area/engine) || istype(A,/area/assembly) || istype(A,/area/maintenance) || istype(A,/area/construction))
+	 	//Blood, sweat, and oil.  Oh, and dirt.
+		if(prob(3))
+			new /obj/effect/decal/cleanable/blood/old(src)
+		else
+			if(prob(35))
+				if(prob(4))
+					new /obj/effect/decal/cleanable/robot_debris/old(src)
+				else
+					new /obj/effect/decal/cleanable/oil(src)
+			else
+				new /obj/effect/decal/cleanable/dirt(src)
+		return
+
+	if(istype(A, /area/crew_quarters/toilet) || istype(A, /area/crew_quarters/locker/locker_toilet))
+		if(prob(40))
+			if(prob(90))
+				new /obj/effect/decal/cleanable/vomit/old(src)
+			else
+				new /obj/effect/decal/cleanable/blood/old(src)
+		return
+
+	if(istype(A, /area/quartermaster))
+		if(prob(25))
+			new /obj/effect/decal/cleanable/oil(src)
+		return
+
+	if(prob(75))	//low dirt  - 1/60
+		return
+
+	if(istype(A, /area/turret_protected) || istype(A, /area/security))	//chance of incident
+		if(prob(20))
+			if(prob(5))
+				new /obj/effect/decal/cleanable/blood/gibs/old(src)
+			else
+				new /obj/effect/decal/cleanable/blood/old(src)
+		return
+
+
+	if(istype(A, /area/crew_quarters/kitchen))	//Kitchen messes
+		if(prob(60))
+			if(prob(50))
+				new /obj/effect/decal/cleanable/egg_smudge(src)
+			else
+				new /obj/effect/decal/cleanable/flour(src)
+		return
+
+	if(istype(A, /area/medical))	//Kept clean, but chance of blood
+		if(prob(66))
+			if(prob(5))
+				new /obj/effect/decal/cleanable/blood/gibs/old(src)
+			else
+				new /obj/effect/decal/cleanable/blood/old(src)
+		else
+			if(prob(30))
+				if(istype(A, /area/medical/morgue))
+					new /obj/item/weapon/ectoplasm(src)
+				else
+					new /obj/effect/decal/cleanable/vomit/old(src)
+		return
+
+	if(istype(A, /area/toxins))
+		if(prob(20))
+			new /obj/effect/decal/cleanable/greenglow(src)	//this cleans itself up but it might startle you when you see it.
+		return

code/game/turfs/simulated/floor.dm

@@ -0,0 +1,189 @@
+//This is so damaged or burnt tiles or platings don't get remembered as the default tile
+var/list/icons_to_ignore_at_floor_init = list("damaged1","damaged2","damaged3","damaged4",
+				"damaged5","panelscorched","floorscorched1","floorscorched2","platingdmg1","platingdmg2",
+				"platingdmg3","plating","light_on","light_on_flicker1","light_on_flicker2",
+				"light_on_clicker3","light_on_clicker4","light_on_clicker5","light_broken",
+				"light_on_broken","light_off","wall_thermite","grass", "sand",
+				"asteroid","asteroid_dug",
+				"asteroid0","asteroid1","asteroid2","asteroid3","asteroid4",
+				"asteroid5","asteroid6","asteroid7","asteroid8","asteroid9","asteroid10","asteroid11","asteroid12",
+				"basalt","basalt_dug",
+				"basalt0","basalt1","basalt2","basalt3","basalt4",
+				"basalt5","basalt6","basalt7","basalt8","basalt9","basalt10","basalt11","basalt12",
+				"oldburning","light-on-r","light-on-y","light-on-g","light-on-b", "wood", "wood-broken",
+				"carpetcorner", "carpetside", "carpet", "ironsand1", "ironsand2", "ironsand3", "ironsand4", "ironsand5",
+				"ironsand6", "ironsand7", "ironsand8", "ironsand9", "ironsand10", "ironsand11",
+				"ironsand12", "ironsand13", "ironsand14", "ironsand15")
+
+/turf/open/floor
+	//NOTE: Floor code has been refactored, many procs were removed and refactored
+	//- you should use istype() if you want to find out whether a floor has a certain type
+	//- floor_tile is now a path, and not a tile obj
+	//- builtin_tile should be dropped if needed for performance reasons (eg singularity_act())
+	name = "floor"
+	icon = 'icons/turf/floors.dmi'
+
+	var/icon_regular_floor = "floor" //used to remember what icon the tile should have by default
+	var/icon_plating = "plating"
+	thermal_conductivity = 0.040
+	heat_capacity = 10000
+	intact = 1
+	var/broken = 0
+	var/burnt = 0
+	var/floor_tile = null //tile that this floor drops
+	var/obj/item/stack/tile/builtin_tile = null //needed for performance reasons when the singularity rips off floor tiles
+	var/list/broken_states = list("damaged1", "damaged2", "damaged3", "damaged4", "damaged5")
+	var/list/burnt_states = list()
+
+/turf/open/floor/New()
+	..()
+	if(icon_state in icons_to_ignore_at_floor_init) //so damaged/burned tiles or plating icons aren't saved as the default
+		icon_regular_floor = "floor"
+	else
+		icon_regular_floor = icon_state
+	if(floor_tile)
+		builtin_tile = new floor_tile
+
+/turf/open/floor/Destroy()
+	if(builtin_tile)
+		qdel(builtin_tile)
+		builtin_tile = null
+	return ..()
+
+/turf/open/floor/ex_act(severity, target)
+	var/shielded = is_shielded()
+	..()
+	if(severity != 1 && shielded && target != src)
+		return
+	if(target == src)
+		src.ChangeTurf(src.baseturf)
+	if(target != null)
+		ex_act(3)
+		return
+
+	switch(severity)
+		if(1)
+			src.ChangeTurf(src.baseturf)
+		if(2)
+			switch(pick(1,2;75,3))
+				if(1)
+					src.ReplaceWithLattice()
+					if(prob(33)) new /obj/item/stack/sheet/metal(src)
+				if(2)
+					src.ChangeTurf(src.baseturf)
+				if(3)
+					if(prob(80))
+						src.break_tile_to_plating()
+					else
+						src.break_tile()
+					src.hotspot_expose(1000,CELL_VOLUME)
+					if(prob(33)) new /obj/item/stack/sheet/metal(src)
+		if(3)
+			if (prob(50))
+				src.break_tile()
+				src.hotspot_expose(1000,CELL_VOLUME)
+
+/turf/open/floor/is_shielded()
+	for(var/obj/structure/A in contents)
+		if(A.level == 3)
+			return 1
+
+/turf/open/floor/blob_act(obj/effect/blob/B)
+	return
+
+/turf/open/floor/proc/update_icon()
+	update_visuals()
+	return 1
+
+/turf/open/floor/attack_paw(mob/user)
+	return src.attack_hand(user)
+
+/turf/open/floor/proc/gets_drilled()
+	return
+
+/turf/open/floor/proc/break_tile_to_plating()
+	var/turf/open/floor/plating/T = make_plating()
+	T.break_tile()
+
+/turf/open/floor/proc/break_tile()
+	if(broken)
+		return
+	icon_state = pick(broken_states)
+	broken = 1
+
+/turf/open/floor/burn_tile()
+	if(broken || burnt)
+		return
+	if(burnt_states.len)
+		icon_state = pick(burnt_states)
+	else
+		icon_state = pick(broken_states)
+	burnt = 1
+
+/turf/open/floor/proc/make_plating()
+	return ChangeTurf(/turf/open/floor/plating)
+
+/turf/open/floor/ChangeTurf(turf/open/floor/T)
+	if(!istype(src,/turf/open/floor))
+		return ..() //fucking turfs switch the fucking src of the fucking running procs
+	if(!ispath(T,/turf/open/floor))
+		return ..()
+	var/old_icon = icon_regular_floor
+	var/old_dir = dir
+	var/turf/open/floor/W = ..()
+	W.icon_regular_floor = old_icon
+	W.setDir(old_dir)
+	W.update_icon()
+	return W
+
+/turf/open/floor/attackby(obj/item/C, mob/user, params)
+	if(!C || !user)
+		return 1
+	if(..())
+		return 1
+	if(intact && istype(C, /obj/item/weapon/crowbar))
+		if(broken || burnt)
+			broken = 0
+			burnt = 0
+			user << "<span class='danger'>You remove the broken plating.</span>"
+		else
+			if(istype(src, /turf/open/floor/wood))
+				user << "<span class='danger'>You forcefully pry off the planks, destroying them in the process.</span>"
+			else
+				user << "<span class='danger'>You remove the floor tile.</span>"
+				builtin_tile.loc = src
+		make_plating()
+		playsound(src, 'sound/items/Crowbar.ogg', 80, 1)
+		return 1
+	return 0
+
+/turf/open/floor/singularity_pull(S, current_size)
+	if(current_size == STAGE_THREE)
+		if(prob(30))
+			if(builtin_tile)
+				builtin_tile.loc = src
+				make_plating()
+	else if(current_size == STAGE_FOUR)
+		if(prob(50))
+			if(builtin_tile)
+				builtin_tile.loc = src
+				make_plating()
+	else if(current_size >= STAGE_FIVE)
+		if(builtin_tile)
+			if(prob(70))
+				builtin_tile.loc = src
+				make_plating()
+		else if(prob(50))
+			ReplaceWithLattice()
+
+/turf/open/floor/narsie_act()
+	if(prob(20))
+		ChangeTurf(/turf/open/floor/engine/cult)
+
+/turf/open/floor/ratvar_act()
+	if(prob(20))
+		ChangeTurf(/turf/open/floor/clockwork)
+
+/turf/open/floor/initialize()
+	..()
+	MakeDirty()

code/game/turfs/simulated/floor/fancy_floor.dm

@@ -0,0 +1,100 @@
+/* In this file:
+ * Wood floor
+ * Grass floor
+ * Carpet floor
+ */
+
+/turf/open/floor/wood
+	icon_state = "wood"
+	floor_tile = /obj/item/stack/tile/wood
+	broken_states = list("wood-broken", "wood-broken2", "wood-broken3", "wood-broken4", "wood-broken5", "wood-broken6", "wood-broken7")
+
+/turf/open/floor/wood/attackby(obj/item/C, mob/user, params)
+	if(..())
+		return
+	if(istype(C, /obj/item/weapon/screwdriver))
+		if(broken || burnt)
+			return
+		user << "<span class='danger'>You unscrew the planks.</span>"
+		new floor_tile(src)
+		make_plating()
+		playsound(src, 'sound/items/Screwdriver.ogg', 80, 1)
+		return
+
+/turf/open/floor/wood/cold
+	temperature = 255.37
+
+/turf/open/floor/grass
+	name = "Grass patch"
+	icon_state = "grass"
+	floor_tile = /obj/item/stack/tile/grass
+	broken_states = list("sand")
+
+/turf/open/floor/grass/New()
+	..()
+	spawn(1)
+		update_icon()
+
+/turf/open/floor/grass/attackby(obj/item/C, mob/user, params)
+	if(..())
+		return
+	if(istype(C, /obj/item/weapon/shovel))
+		new /obj/item/weapon/ore/glass(src)
+		new /obj/item/weapon/ore/glass(src) //Make some sand if you shovel grass
+		user << "<span class='notice'>You shovel the grass.</span>"
+		make_plating()
+
+/turf/open/floor/carpet
+	name = "Carpet"
+	icon = 'icons/turf/floors/carpet.dmi'
+	icon_state = "carpet"
+	floor_tile = /obj/item/stack/tile/carpet
+	broken_states = list("damaged")
+	smooth = SMOOTH_TRUE
+	canSmoothWith = null
+
+/turf/open/floor/carpet/New()
+	..()
+	spawn(1)
+		update_icon()
+
+/turf/open/floor/carpet/update_icon()
+	if(!..())
+		return 0
+	if(!broken && !burnt)
+		if(smooth)
+			queue_smooth(src)
+	else
+		make_plating()
+		if(smooth)
+			queue_smooth_neighbors(src)
+
+/turf/open/floor/carpet/narsie_act()
+	return
+
+/turf/open/floor/carpet/break_tile()
+	broken = 1
+	update_icon()
+
+/turf/open/floor/carpet/burn_tile()
+	burnt = 1
+	update_icon()
+
+/turf/open/floor/carpet/carpetsymbol
+	icon_state = "carpetsymbol"
+	smooth = SMOOTH_FALSE
+
+/turf/open/floor/carpet/carpetsymbol2
+	icon_state = "carpetstar"
+	smooth = SMOOTH_FALSE
+
+
+/turf/open/floor/fakespace
+	icon = 'icons/turf/space.dmi'
+	icon_state = "0"
+	floor_tile = /obj/item/stack/tile/fakespace
+	broken_states = list("damaged")
+
+/turf/open/floor/fakespace/New()
+	..()
+	icon_state = "[rand(0,25)]"

code/game/turfs/simulated/floor/light_floor.dm

@@ -0,0 +1,72 @@
+/turf/open/floor/light
+	name = "Light floor"
+	luminosity = 5
+	icon_state = "light_on"
+	floor_tile = /obj/item/stack/tile/light
+	broken_states = list("light_broken")
+	var/on = 1
+	var/state //0 = fine, 1 = flickering, 2 = breaking, 3 = broken
+	var/list/coloredlights = list("g", "r", "y", "b", "p", "w", "s","o","g")
+	var/currentcolor = 1
+
+
+/turf/open/floor/light/New()
+	..()
+	spawn(5) //needed because when placing a light floor tile it will take a short while before setting state
+		if(istype(builtin_tile, /obj/item/stack/tile/light))
+			var/obj/item/stack/tile/light/L = builtin_tile
+			L.state = state
+	update_icon()
+
+/turf/open/floor/light/update_icon()
+	..()
+	if(on)
+		switch(state)
+			if(0)
+				icon_state = "light_on-[coloredlights[currentcolor]]"
+				SetLuminosity(1)
+			if(1)
+				var/num = pick("1","2","3","4")
+				icon_state = "light_on_flicker[num]"
+				SetLuminosity(1)
+			if(2)
+				icon_state = "light_on_broken"
+				SetLuminosity(1)
+			if(3)
+				icon_state = "light_off"
+				SetLuminosity(0)
+	else
+		SetLuminosity(0)
+		icon_state = "light_off"
+
+
+/turf/open/floor/light/ChangeTurf(turf/T)
+	SetLuminosity(0)
+	..()
+
+/turf/open/floor/light/attack_hand(mob/user)
+	if(!on)
+		on = 1
+		currentcolor = 1
+		return
+	else
+		currentcolor++
+	if(currentcolor > coloredlights.len)
+		on = 0
+	update_icon()
+	..()  //I am not sure what the parent procs have for attack_hand, best to check later.
+
+/turf/open/floor/light/attack_ai(mob/user)
+	attack_hand(user)
+
+/turf/open/floor/light/attackby(obj/item/C, mob/user, params)
+	if(..())
+		return
+	if(istype(C,/obj/item/weapon/light/bulb)) //only for light tiles
+		if(state && user.drop_item())
+			qdel(C)
+			state = 0 //fixing it by bashing it with a light bulb, fun eh?
+			update_icon()
+			user << "<span class='notice'>You replace the light bulb.</span>"
+		else
+			user << "<span class='notice'>The lightbulb seems fine, no need to replace it.</span>"

code/game/turfs/simulated/floor/mineral_floor.dm

@@ -0,0 +1,200 @@
+/* In this file:
+ *
+ * Plasma floor
+ * Gold floor
+ * Silver floor
+ * Bananium floor
+ * Diamond floor
+ * Uranium floor
+ */
+
+/turf/open/floor/mineral
+	name = "mineral floor"
+	icon_state = ""
+	var/list/icons = list()
+
+
+
+/turf/open/floor/mineral/New()
+	..()
+	broken_states = list("[initial(icon_state)]_dam")
+
+/turf/open/floor/mineral/update_icon()
+	if(!..())
+		return 0
+	if(!broken && !burnt)
+		if( !(icon_state in icons) )
+			icon_state = initial(icon_state)
+
+//PLASMA
+
+/turf/open/floor/mineral/plasma
+	name = "plasma floor"
+	icon_state = "plasma"
+	floor_tile = /obj/item/stack/tile/mineral/plasma
+	icons = list("plasma","plasma_dam")
+
+/turf/open/floor/mineral/plasma/temperature_expose(datum/gas_mixture/air, exposed_temperature, exposed_volume)
+	if(exposed_temperature > 300)
+		PlasmaBurn()
+
+/turf/open/floor/mineral/plasma/attackby(obj/item/weapon/W as obj, mob/user as mob, params)
+	if(W.is_hot() > 300)//If the temperature of the object is over 300, then ignite
+		message_admins("Plasma flooring was ignited by [key_name_admin(user)](<A HREF='?_src_=holder;adminmoreinfo=\ref[user]'>?</A>) (<A HREF='?_src_=holder;adminplayerobservefollow=\ref[user]'>FLW</A>) in ([x],[y],[z] - <A HREF='?_src_=holder;adminplayerobservecoodjump=1;X=[x];Y=[y];Z=[z]'>JMP</a>)",0,1)
+		log_game("Plasma flooring was ignited by [key_name(user)] in ([x],[y],[z])")
+		ignite(W.is_hot())
+		return
+	..()
+
+/turf/open/floor/mineral/plasma/proc/PlasmaBurn()
+	make_plating()
+	atmos_spawn_air("plasma=20;TEMP=1000")
+
+/turf/open/floor/mineral/plasma/proc/ignite(exposed_temperature)
+	if(exposed_temperature > 300)
+		PlasmaBurn()
+
+
+//GOLD
+
+/turf/open/floor/mineral/gold
+	name = "gold floor"
+	icon_state = "gold"
+	floor_tile = /obj/item/stack/tile/mineral/gold
+	icons = list("gold","gold_dam")
+
+//SILVER
+
+/turf/open/floor/mineral/silver
+	name = "silver floor"
+	icon_state = "silver"
+	floor_tile = /obj/item/stack/tile/mineral/silver
+	icons = list("silver","silver_dam")
+
+//BANANIUM
+
+/turf/open/floor/mineral/bananium
+	name = "bananium floor"
+	icon_state = "bananium"
+	floor_tile = /obj/item/stack/tile/mineral/bananium
+	icons = list("bananium","bananium_dam")
+	var/spam_flag = 0
+
+/turf/open/floor/mineral/bananium/Entered(var/mob/AM)
+	.=..()
+	if(!.)
+		if(istype(AM))
+			squeek()
+
+/turf/open/floor/mineral/bananium/attackby(obj/item/weapon/W, mob/user, params)
+	.=..()
+	if(!.)
+		honk()
+
+/turf/open/floor/mineral/bananium/attack_hand(mob/user)
+	.=..()
+	if(!.)
+		honk()
+
+/turf/open/floor/mineral/bananium/attack_paw(mob/user)
+	.=..()
+	if(!.)
+		honk()
+
+/turf/open/floor/mineral/bananium/proc/honk()
+	if(!spam_flag)
+		spam_flag = 1
+		playsound(src, 'sound/items/bikehorn.ogg', 50, 1)
+		spawn(20)
+			spam_flag = 0
+
+/turf/open/floor/mineral/bananium/proc/squeek()
+	if(!spam_flag)
+		spam_flag = 1
+		playsound(src, "clownstep", 50, 1)
+		spawn(10)
+			spam_flag = 0
+
+/turf/open/floor/mineral/bananium/airless
+	initial_gas_mix = "TEMP=2.7"
+
+//DIAMOND
+
+/turf/open/floor/mineral/diamond
+	name = "diamond floor"
+	icon_state = "diamond"
+	floor_tile = /obj/item/stack/tile/mineral/diamond
+	icons = list("diamond","diamond_dam")
+
+//URANIUM
+
+/turf/open/floor/mineral/uranium
+	name = "uranium floor"
+	icon_state = "uranium"
+	floor_tile = /obj/item/stack/tile/mineral/uranium
+	icons = list("uranium","uranium_dam")
+	var/last_event = 0
+	var/active = null
+
+/turf/open/floor/mineral/uranium/Entered(var/mob/AM)
+	.=..()
+	if(!.)
+		if(istype(AM))
+			radiate()
+
+/turf/open/floor/mineral/uranium/attackby(obj/item/weapon/W, mob/user, params)
+	.=..()
+	if(!.)
+		radiate()
+
+/turf/open/floor/mineral/uranium/attack_hand(mob/user)
+	.=..()
+	if(!.)
+		radiate()
+
+/turf/open/floor/mineral/uranium/attack_paw(mob/user)
+	.=..()
+	if(!.)
+		radiate()
+
+/turf/open/floor/mineral/uranium/proc/radiate()
+	if(!active)
+		if(world.time > last_event+15)
+			active = 1
+			radiation_pulse(get_turf(src), 3, 3, 1, 0)
+			for(var/turf/open/floor/mineral/uranium/T in orange(1,src))
+				T.radiate()
+			last_event = world.time
+			active = 0
+			return
+
+// ALIEN ALLOY
+/turf/open/floor/mineral/abductor
+	name = "alien floor"
+	icon_state = "alienpod1"
+	floor_tile = /obj/item/stack/tile/mineral/abductor
+	icons = list("alienpod1", "alienpod2", "alienpod3", "alienpod4", "alienpod5", "alienpod6", "alienpod7", "alienpod8", "alienpod9")
+
+/turf/open/floor/mineral/abductor/New()
+	..()
+	icon_state = "alienpod[rand(1,9)]"
+
+/turf/open/floor/mineral/abductor/break_tile()
+	return //unbreakable
+
+/turf/open/floor/mineral/abductor/burn_tile()
+	return //unburnable
+
+/turf/open/floor/mineral/abductor/make_plating()
+	return ChangeTurf(/turf/open/floor/plating/abductor2)
+
+
+/turf/open/floor/plating/abductor2
+	name = "alien plating"
+	icon_state = "alienplating"
+
+/turf/open/floor/plating/abductor2/break_tile()
+	return //unbreakable
+
+/turf/open/floor/plating/abductor2/burn_tile()
+	return //unburnable

code/game/turfs/simulated/floor/misc_floor.dm

@@ -0,0 +1,178 @@
+/turf/open/floor/goonplaque
+	name = "Commemorative Plaque"
+	icon_state = "plaque"
+	desc = "\"This is a plaque in honour of our comrades on the G4407 Stations. Hopefully TG4407 model can live up to your fame and fortune.\" Scratched in beneath that is a crude image of a meteor and a spaceman. The spaceman is laughing. The meteor is exploding."
+	floor_tile = /obj/item/stack/tile/plasteel
+
+/turf/open/floor/vault
+	icon_state = "rockvault"
+	floor_tile = /obj/item/stack/tile/plasteel
+
+/turf/open/floor/bluegrid
+	icon = 'icons/turf/floors.dmi'
+	icon_state = "bcircuit"
+	floor_tile = /obj/item/stack/tile/plasteel
+
+/turf/open/floor/bluegrid/New()
+	..()
+	nuke_tiles += src
+
+/turf/open/floor/bluegrid/Destroy()
+	nuke_tiles -= src
+	return ..()
+
+/turf/open/floor/greengrid
+	icon = 'icons/turf/floors.dmi'
+	icon_state = "gcircuit"
+	floor_tile = /obj/item/stack/tile/plasteel
+
+/turf/open/floor/plating/beach
+	name = "Beach"
+	icon = 'icons/misc/beach.dmi'
+
+/turf/open/floor/plating/beach/ex_act(severity, target)
+	contents_explosion(severity, target)
+
+/turf/open/floor/plating/beach/sand
+	name = "Sand"
+	icon_state = "sand"
+	baseturf = /turf/open/floor/plating/beach/sand
+
+/turf/open/floor/plating/beach/coastline_t
+	name = "Coastline"
+	icon_state = "sandwater_t"
+	baseturf = /turf/open/floor/plating/beach/coastline_t
+
+/turf/open/floor/plating/beach/coastline_b
+	name = "Coastline"
+	icon_state = "sandwater_b"
+	baseturf = /turf/open/floor/plating/beach/coastline_b
+
+/turf/open/floor/plating/beach/water
+	name = "Water"
+	icon_state = "water"
+	baseturf = /turf/open/floor/plating/beach/water
+
+/turf/open/floor/plating/ironsand/New()
+	..()
+	name = "Iron Sand"
+	icon_state = "ironsand[rand(1,15)]"
+
+/turf/open/floor/plating/ironsand/burn_tile()
+	return
+
+/turf/open/floor/plating/ice
+	name = "ice sheet"
+	desc = "A sheet of solid ice. Looks slippery."
+	icon = 'icons/turf/snow.dmi'
+	icon_state = "ice"
+	temperature = 180
+	baseturf = /turf/open/floor/plating/ice
+	slowdown = 1
+	wet = TURF_WET_PERMAFROST
+
+/turf/open/floor/plating/ice/colder
+	temperature = 140
+
+/turf/open/floor/plating/ice/temperate
+	temperature = 255.37
+
+/turf/open/floor/plating/ice/break_tile()
+	return
+
+/turf/open/floor/plating/ice/burn_tile()
+	return
+
+/turf/open/floor/plating/snowed
+	name = "snowed-over plating"
+	desc = "A section of plating covered in a light layer of snow."
+	icon = 'icons/turf/snow.dmi'
+	icon_state = "snowplating"
+	temperature = 180
+
+/turf/open/floor/plating/snowed/colder
+	temperature = 140
+
+/turf/open/floor/plating/snowed/temperatre
+	temperature = 255.37
+
+/turf/open/floor/noslip
+	name = "high-traction floor"
+	icon_state = "noslip"
+	floor_tile = /obj/item/stack/tile/noslip
+	broken_states = list("noslip-damaged1","noslip-damaged2","noslip-damaged3")
+	burnt_states = list("noslip-scorched1","noslip-scorched2")
+	slowdown = -0.3
+
+/turf/open/floor/noslip/MakeSlippery()
+	return
+
+/turf/open/floor/oldshuttle
+	icon = 'icons/turf/shuttleold.dmi'
+	icon_state = "floor"
+	floor_tile = /obj/item/stack/tile/plasteel
+
+//Clockwork floor: Slowly heals toxin damage on nearby servants.
+/turf/open/floor/clockwork
+	name = "clockwork floor"
+	desc = "Tightly-pressed brass tiles. They emit minute vibration."
+	icon = 'icons/turf/floors.dmi'
+	icon_state = "clockwork_floor"
+
+/turf/open/floor/clockwork/New()
+	..()
+	PoolOrNew(/obj/effect/overlay/temp/ratvar/floor, src)
+	PoolOrNew(/obj/effect/overlay/temp/ratvar/beam, src)
+	clockwork_construction_value++
+
+/turf/open/floor/clockwork/Destroy()
+	STOP_PROCESSING(SSobj, src)
+	clockwork_construction_value--
+	return ..()
+
+/turf/open/floor/clockwork/Entered(atom/movable/AM)
+	..()
+	START_PROCESSING(SSobj, src)
+
+/turf/open/floor/clockwork/process()
+	if(!healservants())
+		STOP_PROCESSING(SSobj, src)
+
+/turf/open/floor/clockwork/proc/healservants()
+	for(var/mob/living/L in src)
+		if(L.stat == DEAD || !is_servant_of_ratvar(L))
+			continue
+		var/swapdamage = FALSE
+		if(L.has_dna()) //if has_dna() is true they're at least carbon
+			var/mob/living/carbon/C = L
+			if(TOXINLOVER in C.dna.species.specflags)
+				swapdamage = TRUE
+		if(isanimal(L))
+			var/mob/living/simple_animal/A = L
+			if(A.damage_coeff[TOX] < 0)
+				swapdamage = TRUE
+		if(swapdamage) //they'd take damage, we need to swap it
+			L.adjustToxLoss(3)
+		else
+			L.adjustToxLoss(-3)
+		. = 1
+
+/turf/open/floor/clockwork/attackby(obj/item/I, mob/living/user, params)
+	if(istype(I, /obj/item/weapon/crowbar))
+		user.visible_message("<span class='notice'>[user] begins slowly prying up [src]...</span>", "<span class='notice'>You begin painstakingly prying up [src]...</span>")
+		if(!do_after(user, 70 / I.toolspeed, target = src))
+			return 0
+		user.visible_message("<span class='notice'>[user] pries up [src]!</span>", "<span class='notice'>You pry up [src], destroying it!</span>")
+		make_plating()
+		return 1
+	return ..()
+
+/turf/open/floor/clockwork/ratvar_act()
+	return 0
+
+/turf/open/floor/clockwork/narsie_act()
+	..()
+	if(istype(src, /turf/open/floor/clockwork)) //if we haven't changed type
+		var/previouscolor = color
+		color = "#960000"
+		animate(src, color = previouscolor, time = 8)

code/game/turfs/simulated/floor/plasteel_floor.dm

@@ -0,0 +1,436 @@
+/turf/open/floor/plasteel
+	icon_state = "floor"
+	floor_tile = /obj/item/stack/tile/plasteel
+	broken_states = list("damaged1", "damaged2", "damaged3", "damaged4", "damaged5")
+	burnt_states = list("floorscorched1", "floorscorched2")
+
+/turf/open/floor/plasteel/update_icon()
+	if(!..())
+		return 0
+	if(!broken && !burnt)
+		icon_state = icon_regular_floor
+
+
+
+/turf/open/floor/plasteel/black
+	icon_state = "dark"
+/turf/open/floor/plasteel/airless/black
+	icon_state = "dark"
+/turf/open/floor/plasteel/black/side
+	icon_state = "black" //NOTICE ME SEMPAI: floors.dmi contains two sprites named black, remove the incorrect one
+/turf/open/floor/plasteel/black/corner
+	icon_state = "blackcorner"
+
+
+/turf/open/floor/plasteel/white
+	icon_state = "white"
+/turf/open/floor/plasteel/airless/white
+	icon_state = "white"
+/turf/open/floor/plasteel/white/side
+	icon_state = "whitehall"
+/turf/open/floor/plasteel/white/corner
+	icon_state = "whitecorner"
+
+
+
+/turf/open/floor/plasteel/brown
+	icon_state = "brown"
+/turf/open/floor/plasteel/brown/corner
+	icon_state = "browncorner"
+
+/turf/open/floor/plasteel/darkbrown
+	icon_state = "darkbrownfull"
+/turf/open/floor/plasteel/darkbrown/side
+	icon_state = "darkbrown"
+/turf/open/floor/plasteel/darkbrown/corner
+	icon_state = "darkbrowncorners"
+
+
+
+/turf/open/floor/plasteel/green
+	icon_state = "greenfull"
+/turf/open/floor/plasteel/green/side
+	icon_state = "green"
+/turf/open/floor/plasteel/green/corner
+	icon_state = "greencorner"
+
+/turf/open/floor/plasteel/darkgreen
+	icon_state = "darkgreenfull"
+/turf/open/floor/plasteel/darkgreen/side
+	icon_state = "darkgreen"
+/turf/open/floor/plasteel/darkgreen/corner
+	icon_state = "darkgreencorners"
+
+/turf/open/floor/plasteel/whitegreen
+	icon_state = "whitegreenfull"
+/turf/open/floor/plasteel/whitegreen/side
+	icon_state = "whitegreen"
+/turf/open/floor/plasteel/whitegreen/corner
+	icon_state = "whitegreencorner"
+
+
+
+/turf/open/floor/plasteel/red
+	icon_state = "redfull"
+/turf/open/floor/plasteel/red/side
+	icon_state = "red"
+/turf/open/floor/plasteel/red/corner
+	icon_state = "redcorner"
+
+/turf/open/floor/plasteel/darkred
+	icon_state = "darkredfull"
+/turf/open/floor/plasteel/darkred/side
+	icon_state = "darkred"
+/turf/open/floor/plasteel/darkred/corner
+	icon_state = "darkredcorners"
+
+/turf/open/floor/plasteel/whitered
+	icon_state = "whiteredfull"
+/turf/open/floor/plasteel/whitered/side
+	icon_state = "whitered"
+/turf/open/floor/plasteel/whitered/corner
+	icon_state = "whiteredcorner"
+
+
+
+/turf/open/floor/plasteel/blue
+	icon_state = "bluefull"
+/turf/open/floor/plasteel/blue/side
+	icon_state = "blue"
+/turf/open/floor/plasteel/blue/corner
+	icon_state = "bluecorner"
+
+/turf/open/floor/plasteel/darkblue
+	icon_state = "darkbluefull"
+/turf/open/floor/plasteel/darkblue/side
+	icon_state = "darkblue"
+/turf/open/floor/plasteel/darkblue/corner
+	icon_state = "darkbluecorners"
+
+/turf/open/floor/plasteel/whiteblue
+	icon_state = "whitebluefull"
+/turf/open/floor/plasteel/whiteblue/side
+	icon_state = "whiteblue"
+/turf/open/floor/plasteel/whiteblue/corner
+	icon_state = "whitebluecorner"
+
+
+
+/turf/open/floor/plasteel/yellow
+	icon_state = "yellowfull"
+/turf/open/floor/plasteel/yellow/side
+	icon_state = "yellow"
+/turf/open/floor/plasteel/yellow/corner
+	icon_state = "yellowcorner"
+
+/turf/open/floor/plasteel/darkyellow
+	icon_state = "darkyellowfull"
+/turf/open/floor/plasteel/darkyellow/side
+	icon_state = "darkyellow"
+/turf/open/floor/plasteel/darkyellow/corner
+	icon_state = "darkyellowcorners"
+
+/turf/open/floor/plasteel/whiteyellow
+	icon_state = "whiteyellowfull"
+/turf/open/floor/plasteel/whiteyellow/side
+	icon_state = "whiteyellow"
+/turf/open/floor/plasteel/whiteyellow/corner
+	icon_state = "whiteyellowcorner"
+
+
+
+/turf/open/floor/plasteel/purple
+	icon_state = "purplefull"
+/turf/open/floor/plasteel/purple/side
+	icon_state = "purple"
+/turf/open/floor/plasteel/purple/corner
+	icon_state = "purplecorner"
+
+/turf/open/floor/plasteel/darkpurple
+	icon_state = "darkpurplefull"
+/turf/open/floor/plasteel/darkpurple/side
+	icon_state = "darkpurple"
+/turf/open/floor/plasteel/darkpurple/corner
+	icon_state = "darkpurplecorners"
+
+/turf/open/floor/plasteel/whitepurple
+	icon_state = "whitepurplefull"
+/turf/open/floor/plasteel/whitepurple/side
+	icon_state = "whitepurple"
+/turf/open/floor/plasteel/whitepurple/corner
+	icon_state = "whitepurplecorner"
+
+
+/turf/open/floor/plasteel/orange
+	icon_state = "orangefull"
+/turf/open/floor/plasteel/orange/side
+	icon_state = "orange"
+/turf/open/floor/plasteel/orange/corner
+	icon_state = "orangecorner"
+
+
+/turf/open/floor/plasteel/neutral
+	icon_state = "neutralfull"
+/turf/open/floor/plasteel/neutral/side
+	icon_state = "neutral"
+/turf/open/floor/plasteel/neutral/corner
+	icon_state = "neutralcorner"
+
+
+/turf/open/floor/plasteel/arrival
+	icon_state = "arrival"
+/turf/open/floor/plasteel/arrival/corner
+	icon_state = "arrivalcorner"
+
+
+/turf/open/floor/plasteel/escape
+	icon_state = "escape"
+/turf/open/floor/plasteel/escape/corner
+	icon_state = "escapecorner"
+
+
+/turf/open/floor/plasteel/caution
+	icon_state = "caution"
+/turf/open/floor/plasteel/caution/corner
+	icon_state = "cautioncorner"
+
+
+/turf/open/floor/plasteel/whitebot
+	icon_state = "whitebot"
+/turf/open/floor/plasteel/whitebot/delivery
+	icon_state = "whitedelivery"
+
+
+/turf/open/floor/plasteel/redyellow
+	icon_state = "redyellowfull"
+/turf/open/floor/plasteel/redyellow/side
+	icon_state = "redyellow"
+
+
+/turf/open/floor/plasteel/redblue
+	icon_state = "redbluefull"
+/turf/open/floor/plasteel/redblue/blueside
+	icon_state = "bluered"
+/turf/open/floor/plasteel/redblue/redside
+	icon_state = "redblue"
+
+
+/turf/open/floor/plasteel/redgreen
+	icon_state = "redgreenfull"
+/turf/open/floor/plasteel/redgreen/side
+	icon_state = "redgreen"
+
+
+/turf/open/floor/plasteel/greenyellow
+	icon_state = "greenyellowfull"
+/turf/open/floor/plasteel/greenyellow/side
+	icon_state = "greenyellow"
+
+
+/turf/open/floor/plasteel/greenblue
+	icon_state = "greenbluefull"
+/turf/open/floor/plasteel/greenblue/side
+	icon_state = "greenblue"
+
+
+/turf/open/floor/plasteel/blueyellow
+	icon_state = "blueyellowfull"
+/turf/open/floor/plasteel/blueyellow/side
+	icon_state = "blueyellow"
+
+
+/turf/open/floor/plasteel/warningline
+	icon_state = "warningline"
+/turf/open/floor/plasteel/warningline/corner
+	icon_state = "warninglinecorners"
+
+/turf/open/floor/plasteel/yellowsiding
+	icon_state = "yellowsiding"
+/turf/open/floor/plasteel/yellowsiding/corner
+	icon_state = "yellowcornersiding"
+
+
+/turf/open/floor/plasteel/podhatch
+	icon_state = "podhatch"
+/turf/open/floor/plasteel/podhatch/corner
+	icon_state = "podhatchcorner"
+
+
+
+/turf/open/floor/plasteel/circuit
+	icon_state = "bcircuit"
+/turf/open/floor/plasteel/airless/circuit
+	icon_state = "bcircuit"
+/turf/open/floor/plasteel/circuit/off
+	icon_state = "bcircuitoff"
+
+/turf/open/floor/plasteel/circuit/gcircuit
+	icon_state = "gcircuit"
+/turf/open/floor/plasteel/airless/circuit/gcircuit
+	icon_state = "gcircuit"
+/turf/open/floor/plasteel/circuit/gcircuit/off
+	icon_state = "gcircuitoff"
+/turf/open/floor/plasteel/circuit/gcircuit/animated
+	icon_state = "gcircuitanim"
+
+/turf/open/floor/plasteel/circuit/rcircuit
+	icon_state = "rcircuit"
+/turf/open/floor/plasteel/circuit/rcircuit/animated
+	icon_state = "rcircuitanim"
+
+
+
+/turf/open/floor/plasteel/loadingarea
+	icon_state = "loadingarea"
+/turf/open/floor/plasteel/loadingarea/dirty
+	icon_state = "loadingareadirty1"
+/turf/open/floor/plasteel/loadingarea/dirtydirty
+	icon_state = "loadingareadirty2"
+
+
+/turf/open/floor/plasteel/shuttle
+	icon_state = "shuttlefloor"
+/turf/open/floor/plasteel/shuttle/red
+	name = "Brig floor"
+	icon_state = "shuttlefloor4"
+/turf/open/floor/plasteel/shuttle/yellow
+	icon_state = "shuttlefloor2"
+/turf/open/floor/plasteel/shuttle/white
+	icon_state = "shuttlefloor3"
+/turf/open/floor/plasteel/shuttle/purple
+	icon_state = "shuttlefloor5"
+
+
+/turf/open/floor/plasteel/asteroid
+	icon_state = "asteroidfloor"
+/turf/open/floor/plasteel/airless/asteroid
+	icon_state = "asteroidfloor"
+
+/turf/open/floor/plasteel/recharge_floor
+	icon_state = "recharge_floor"
+/turf/open/floor/plasteel/recharge_floor/asteroid
+	icon_state = "recharge_floor_asteroid"
+
+
+/turf/open/floor/plasteel/chapel
+	icon_state = "chapel"
+
+/turf/open/floor/plasteel/showroomfloor
+	icon_state = "showroomfloor"
+
+/turf/open/floor/plasteel/floorgrime
+	icon_state = "floorgrime"
+/turf/open/floor/plasteel/airless/floorgrime
+	icon_state = "floorgrime"
+
+/turf/open/floor/plasteel/solarpanel
+	icon_state = "solarpanel"
+/turf/open/floor/plasteel/airless/solarpanel
+	icon_state = "solarpanel"
+
+/turf/open/floor/plasteel/cmo
+	icon_state = "cmo"
+
+/turf/open/floor/plasteel/barber
+	icon_state = "barber"
+
+/turf/open/floor/plasteel/hydrofloor
+	icon_state = "hydrofloor"
+
+/turf/open/floor/plasteel/delivery
+	icon_state = "delivery"
+
+/turf/open/floor/plasteel/bot
+	icon_state = "bot"
+
+/turf/open/floor/plasteel/freezer
+	icon_state = "freezerfloor"
+
+/turf/open/floor/plasteel/bar
+	icon_state = "bar"
+
+/turf/open/floor/plasteel/grimy
+	icon_state = "grimy"
+
+/turf/open/floor/plasteel/cafeteria
+	icon_state = "cafeteria"
+
+/turf/open/floor/plasteel/vault
+	icon_state = "vault"
+
+/turf/open/floor/plasteel/cult
+	icon_state = "cult"
+	name = "engraved floor"
+
+/turf/open/floor/plasteel/goonplaque
+	icon_state = "plaque"
+	name = "Commemorative Plaque"
+	desc = "\"This is a plaque in honour of our comrades on the G4407 Stations. Hopefully TG4407 model can live up to your fame and fortune.\" Scratched in beneath that is a crude image of a meteor and a spaceman. The spaceman is laughing. The meteor is exploding."
+
+/turf/open/floor/plasteel/cult/narsie_act()
+	return
+
+/turf/open/floor/plasteel/cult/airless
+	initial_gas_mix = "TEMP=2.7"
+
+
+
+
+
+
+//
+//unused? remove?
+//
+/turf/open/floor/plasteel/stage_bottom
+	icon_state = "stage_bottom"
+/turf/open/floor/plasteel/stage_left
+	icon_state = "stage_left"
+/turf/open/floor/plasteel/stage_bleft
+	icon_state = "stage_bleft"
+
+
+/turf/open/floor/plasteel/stairs
+	icon_state = "stairs"
+/turf/open/floor/plasteel/stairs/left
+	icon_state = "stairs-l"
+/turf/open/floor/plasteel/stairs/medium
+	icon_state = "stairs-m"
+/turf/open/floor/plasteel/stairs/right
+	icon_state = "stairs-r"
+/turf/open/floor/plasteel/stairs/old
+	icon_state = "stairs-old"
+
+
+/turf/open/floor/plasteel/brownold
+	icon_state = "brownold"
+/turf/open/floor/plasteel/brownold/corner
+	icon_state = "browncornerold"
+
+
+/turf/open/floor/plasteel/rockvault
+	icon_state = "rockvault"
+/turf/open/floor/plasteel/rockvault/alien
+	icon_state = "alienvault"
+/turf/open/floor/plasteel/rockvault/sandstone
+	icon_state = "sandstonevault"
+
+
+/turf/open/floor/plasteel/elevatorshaft
+	icon_state = "elevatorshaft"
+
+/turf/open/floor/plasteel/bluespace
+	icon_state = "bluespace"
+
+/turf/open/floor/plasteel/sepia
+	icon_state = "sepia"
+
+/turf/open/floor/plasteel/sandy
+	icon_state = "sandy"
+	baseturf = /turf/open/floor/plating/beach/sand
+
+/turf/open/floor/plasteel/sandeffect
+	icon_state = "sandeffect"
+/turf/open/floor/plasteel/sandeffect/warning
+	icon_state = "warningsandeffect"
+/turf/open/floor/plasteel/sandeffect/warning/corner
+	icon_state = "warningsandeffectcorners"

code/game/turfs/simulated/floor/plating.dm

@@ -0,0 +1,307 @@
+/* In this file:
+ *
+ * Plating
+ * Airless
+ * Airless plating
+ * Engine floor
+ */
+// note that plating and engine floor do not call their parent attackby, unlike other flooring
+// this is done in order to avoid inheriting the crowbar attackby
+
+/turf/open/floor/plating
+	name = "plating"
+	icon_state = "plating"
+	intact = 0
+	broken_states = list("platingdmg1", "platingdmg2", "platingdmg3")
+	burnt_states = list("panelscorched")
+
+/turf/open/floor/plating/New()
+	..()
+	icon_plating = icon_state
+
+/turf/open/floor/plating/update_icon()
+	if(!..())
+		return
+	if(!broken && !burnt)
+		icon_state = icon_plating //Because asteroids are 'platings' too.
+
+/turf/open/floor/plating/attackby(obj/item/C, mob/user, params)
+	if(..())
+		return
+	if(istype(C, /obj/item/stack/rods))
+		if(broken || burnt)
+			user << "<span class='warning'>Repair the plating first!</span>"
+			return
+		var/obj/item/stack/rods/R = C
+		if (R.get_amount() < 2)
+			user << "<span class='warning'>You need two rods to make a reinforced floor!</span>"
+			return
+		else
+			user << "<span class='notice'>You begin reinforcing the floor...</span>"
+			if(do_after(user, 30, target = src))
+				if (R.get_amount() >= 2 && !istype(src, /turf/open/floor/engine))
+					ChangeTurf(/turf/open/floor/engine)
+					playsound(src, 'sound/items/Deconstruct.ogg', 80, 1)
+					R.use(2)
+					user << "<span class='notice'>You reinforce the floor.</span>"
+				return
+	else if(istype(C, /obj/item/stack/tile))
+		if(!broken && !burnt)
+			var/obj/item/stack/tile/W = C
+			if(!W.use(1))
+				return
+			var/turf/open/floor/T = ChangeTurf(W.turf_type)
+			if(istype(W,/obj/item/stack/tile/light)) //TODO: get rid of this ugly check somehow
+				var/obj/item/stack/tile/light/L = W
+				var/turf/open/floor/light/F = T
+				F.state = L.state
+			playsound(src, 'sound/weapons/Genhit.ogg', 50, 1)
+		else
+			user << "<span class='warning'>This section is too damaged to support a tile! Use a welder to fix the damage.</span>"
+	else if(istype(C, /obj/item/weapon/weldingtool))
+		var/obj/item/weapon/weldingtool/welder = C
+		if( welder.isOn() && (broken || burnt) )
+			if(welder.remove_fuel(0,user))
+				user << "<span class='danger'>You fix some dents on the broken plating.</span>"
+				playsound(src, 'sound/items/Welder.ogg', 80, 1)
+				icon_state = icon_plating
+				burnt = 0
+				broken = 0
+
+/turf/open/floor/plating/airless
+	icon_state = "plating"
+	initial_gas_mix = "TEMP=2.7"
+
+/turf/open/floor/engine
+	name = "reinforced floor"
+	icon_state = "engine"
+	thermal_conductivity = 0.025
+	heat_capacity = INFINITY
+	floor_tile = /obj/item/stack/rods
+
+/turf/open/floor/engine/airless
+	initial_gas_mix = "TEMP=2.7"
+
+/turf/open/floor/engine/break_tile()
+	return //unbreakable
+
+/turf/open/floor/engine/burn_tile()
+	return //unburnable
+
+/turf/open/floor/engine/make_plating(force = 0)
+	if(force)
+		..()
+	return //unplateable
+
+/turf/open/floor/engine/attackby(obj/item/weapon/C, mob/user, params)
+	if(!C || !user)
+		return
+	if(istype(C, /obj/item/weapon/wrench))
+		user << "<span class='notice'>You begin removing rods...</span>"
+		playsound(src, 'sound/items/Ratchet.ogg', 80, 1)
+		if(do_after(user, 30/C.toolspeed, target = src))
+			if(!istype(src, /turf/open/floor/engine))
+				return
+			new /obj/item/stack/rods(src, 2)
+			ChangeTurf(/turf/open/floor/plating)
+			return
+
+
+/turf/open/floor/engine/ex_act(severity,target)
+	switch(severity)
+		if(1)
+			if(prob(80))
+				ReplaceWithLattice()
+			else if(prob(50))
+				qdel(src)
+			else
+				make_plating(1)
+		if(2)
+			if(prob(50))
+				make_plating(1)
+
+//air filled floors; used in atmos pressure chambers
+
+/turf/open/floor/engine/n2o
+	name = "n2o floor"
+	initial_gas_mix = "n2o=6000;TEMP=293.15"
+
+/turf/open/floor/engine/co2
+	name = "co2 floor"
+	initial_gas_mix = "co2=50000;TEMP=293.15"
+
+/turf/open/floor/engine/plasma
+	name = "plasma floor"
+	initial_gas_mix = "plasma=70000;TEMP=293.15"
+
+/turf/open/floor/engine/o2
+	name = "o2 floor"
+	initial_gas_mix = "o2=100000;TEMP=293.15"
+
+/turf/open/floor/engine/n2
+	name = "n2 floor"
+	initial_gas_mix = "n2=100000;TEMP=293.15"
+
+/turf/open/floor/engine/air
+	name = "air floor"
+	initial_gas_mix = "o2=2644;n2=10580;TEMP=293.15"
+
+
+
+/turf/open/floor/engine/cult
+	name = "engraved floor"
+	icon_state = "cult"
+
+/turf/open/floor/engine/cult/New()
+	PoolOrNew(/obj/effect/overlay/temp/cult/turf/open/floor, src)
+	..()
+
+/turf/open/floor/engine/cult/narsie_act()
+	return
+
+/turf/open/floor/engine/cult/ratvar_act()
+	..()
+	if(istype(src, /turf/open/floor/engine/cult)) //if we haven't changed type
+		var/previouscolor = color
+		color = "#FAE48C"
+		animate(src, color = previouscolor, time = 8)
+
+/turf/open/floor/engine/singularity_pull(S, current_size)
+	if(current_size >= STAGE_FIVE)
+		if(builtin_tile)
+			if(prob(30))
+				builtin_tile.loc = src
+				make_plating()
+		else if(prob(30))
+			ReplaceWithLattice()
+
+/turf/open/floor/engine/cult/airless
+	initial_gas_mix = "TEMP=2.7"
+
+/turf/open/floor/engine/vacuum
+	name = "vacuum floor"
+	icon_state = "engine"
+	initial_gas_mix = "TEMP=2.7"
+
+/turf/open/floor/plasteel/airless
+	initial_gas_mix = "TEMP=2.7"
+
+// ONE DAY WE WILL HAVE SUBTYPES
+/turf/open/floor/plasteel/airless/shuttle
+	icon_state = "shuttlefloor"
+/turf/open/floor/plasteel/airless/shuttle/red
+	name = "Brig floor"
+	icon_state = "shuttlefloor4"
+/turf/open/floor/plasteel/airless/shuttle/yellow
+	icon_state = "shuttlefloor2"
+/turf/open/floor/plasteel/airless/shuttle/white
+	icon_state = "shuttlefloor3"
+/turf/open/floor/plasteel/airless/shuttle/purple
+	icon_state = "shuttlefloor5"
+
+/turf/open/floor/plating/abductor
+	name = "alien floor"
+	icon_state = "alienpod1"
+
+/turf/open/floor/plating/abductor/New()
+	..()
+	icon_state = "alienpod[rand(1,9)]"
+
+///LAVA
+
+/turf/open/floor/plating/lava
+	name = "lava"
+	icon_state = "lava"
+	baseturf = /turf/open/floor/plating/lava //lava all the way down
+	slowdown = 2
+	var/processing = 0
+	luminosity = 1
+
+/turf/open/floor/plating/lava/airless
+	initial_gas_mix = "TEMP=2.7"
+
+/turf/open/floor/plating/lava/Entered(atom/movable/AM)
+	burn_stuff()
+	if(!processing)
+		processing = 1
+		START_PROCESSING(SSobj, src)
+
+/turf/open/floor/plating/lava/process()
+	if(!burn_stuff())
+		processing = 0
+		STOP_PROCESSING(SSobj, src)
+
+/turf/open/floor/plating/lava/make_plating()
+	return
+
+/turf/open/floor/plating/lava/GetHeatCapacity()
+	. = 700000
+
+/turf/open/floor/plating/lava/GetTemperature()
+	. = 5000
+
+/turf/open/floor/plating/lava/TakeTemperature(temp)
+
+/turf/open/floor/plating/lava/proc/burn_stuff()
+	. = 0
+	for(var/thing in contents)
+		if(istype(thing, /obj))
+			var/obj/O = thing
+			if(istype(O, /obj/effect/decal/cleanable/ash)) //So we don't get stuck burning the same ash pile forever
+				qdel(O)
+				continue
+			. = 1
+			if(O.burn_state == FIRE_PROOF)
+				O.burn_state = FLAMMABLE //Even fireproof things burn up in lava
+
+			O.fire_act()
+
+
+		else if (istype(thing, /mob/living))
+			. = 1
+			var/mob/living/L = thing
+			if("lava" in L.weather_immunities)
+				continue
+			if(L.buckled)
+				if(isobj(L.buckled))
+					var/obj/O = L.buckled
+					if(O.burn_state == LAVA_PROOF)
+						continue
+				if(isliving(L.buckled)) //Goliath riding
+					var/mob/living/live = L.buckled
+					if("lava" in live.weather_immunities)
+						continue
+
+			L.adjustFireLoss(20)
+			if(L) //mobs turning into object corpses could get deleted here.
+				L.adjust_fire_stacks(20)
+				L.IgniteMob()
+
+
+/turf/open/floor/plating/lava/attackby(obj/item/C, mob/user, params) //Lava isn't a good foundation to build on
+	return
+
+/turf/open/floor/plating/lava/break_tile()
+	return
+
+/turf/open/floor/plating/lava/burn_tile()
+	return
+
+/turf/open/floor/plating/lava/attackby(obj/item/C, mob/user, params) //Lava isn't a good foundation to build on
+	return
+
+/turf/open/floor/plating/lava/smooth
+	name = "lava"
+	baseturf = /turf/open/floor/plating/lava/smooth
+	icon = 'icons/turf/floors/lava.dmi'
+	icon_state = "unsmooth"
+	smooth = SMOOTH_MORE | SMOOTH_BORDER
+	canSmoothWith = list(/turf/closed/mineral, /turf/open/floor/plating/lava/smooth)
+
+/turf/open/floor/plating/lava/smooth/airless
+	initial_gas_mix = "TEMP=2.7"
+
+/turf/open/floor/plating/astplate
+	icon_state = "asteroidplating"
+/turf/open/floor/plating/airless/astplate
+	icon_state = "asteroidplating"

code/game/turfs/simulated/floor/warning.dm

@@ -0,0 +1,127 @@
+//ASTEROID FLOORS
+/turf/open/floor/plasteel/asteroid/warning
+	icon = 'icons/turf/floors/warning.dmi'
+	icon_state = "asteroid_warn"
+/turf/open/floor/plasteel/asteroid/warning/side
+	icon_state = "asteroid_warn_side"
+/turf/open/floor/plasteel/asteroid/warning/corner
+	icon_state = "asteroid_warn_corner"
+/turf/open/floor/plasteel/asteroid/warning/end
+	icon_state = "asteroid_warn_end"
+
+/turf/open/floor/plasteel/airless/asteroid/warning
+	icon = 'icons/turf/floors/warning.dmi'
+	icon_state = "asteroid_warn"
+/turf/open/floor/plasteel/airless/asteroid/warning/side
+	icon_state = "asteroid_warn_side"
+/turf/open/floor/plasteel/airless/asteroid/warning/corner
+	icon_state = "asteroid_warn_corner"
+/turf/open/floor/plasteel/airless/asteroid/warning/end
+	icon_state = "asteroid_warn_end"
+
+/turf/open/floor/plating/astplate/warning
+	icon = 'icons/turf/floors/warning.dmi'
+	icon_state = "astplate_warn"
+/turf/open/floor/plating/astplate/warning/corner
+	icon_state = "astplate_warn_corner"
+/turf/open/floor/plating/astplate/warning/side
+	icon_state = "astplate_warn_side"
+/turf/open/floor/plating/astplate/warning/end
+	icon_state = "astplate_warn_end"
+
+/turf/open/floor/plating/airless/astplate/warning
+	icon = 'icons/turf/floors/warning.dmi'
+	icon_state = "astplate_warn"
+/turf/open/floor/plating/airless/astplate/warning/corner
+	icon_state = "astplate_warn_corner"
+/turf/open/floor/plating/airless/astplate/warning/side
+	icon_state = "astplate_warn_side"
+/turf/open/floor/plating/airless/astplate/warning/end
+	icon_state = "astplate_warn_end"
+
+
+//PLASTEEL
+/turf/open/floor/plasteel/warning
+	icon = 'icons/turf/floors/warning.dmi'
+	icon_state = "plasteel_warn"
+/turf/open/floor/plasteel/warning/corner
+	icon_state = "plasteel_warn_corner"
+/turf/open/floor/plasteel/warning/side
+	icon_state = "plasteel_warn_side"
+/turf/open/floor/plasteel/warning/end
+	icon_state = "plasteel_warn_end"
+
+/turf/open/floor/plasteel/airless/warning
+	icon = 'icons/turf/floors/warning.dmi'
+	icon_state = "plasteel_warn"
+/turf/open/floor/plasteel/airless/warning/corner
+	icon_state = "plasteel_warn_corner"
+/turf/open/floor/plasteel/airless/warning/side
+	icon_state = "plasteel_warn_side"
+/turf/open/floor/plasteel/airless/warning/end
+	icon_state = "plasteel_warn_end"
+
+//PLASTEEL WHITE
+/turf/open/floor/plasteel/warnwhite
+	icon = 'icons/turf/floors/warning.dmi'
+	icon_state = "white_warn"
+/turf/open/floor/plasteel/warnwhite/corner
+	icon_state = "white_warn_corner"
+/turf/open/floor/plasteel/warnwhite/side
+	icon_state = "white_warn_side"
+/turf/open/floor/plasteel/warnwhite/end
+	icon_state = "white_warn_end"
+
+/turf/open/floor/plasteel/airless/warnwhite
+	icon = 'icons/turf/floors/warning.dmi'
+	icon_state = "white_warn"
+/turf/open/floor/plasteel/airless/warnwhite/corner
+	icon_state = "white_warn_corner"
+/turf/open/floor/plasteel/airless/warnwhite/side
+	icon_state = "white_warn_side"
+/turf/open/floor/plasteel/airless/warnwhite/end
+	icon_state = "white_warn_end"
+
+
+//PLASTEEL BLACK
+/turf/open/floor/plasteel/darkwarning
+	icon = 'icons/turf/floors/warning.dmi'
+	icon_state = "black_warn"
+/turf/open/floor/plasteel/darkwarning/corner
+	icon_state = "black_warn_corner"
+/turf/open/floor/plasteel/darkwarning/side
+	icon_state = "black_warn_side"
+/turf/open/floor/plasteel/darkwarning/end
+	icon_state = "black_warn_end"
+
+/turf/open/floor/plasteel/airless/darkwarning
+	icon = 'icons/turf/floors/warning.dmi'
+	icon_state = "black_warn"
+/turf/open/floor/plasteel/airless/darkwarning/corner
+	icon_state = "black_warn_corner"
+/turf/open/floor/plasteel/airless/darkwarning/side
+	icon_state = "black_warn_side"
+/turf/open/floor/plasteel/airless/darkwarning/end
+	icon_state = "black_warn_end"
+
+
+//PLATING
+/turf/open/floor/plating/warnplate
+	icon = 'icons/turf/floors/warning.dmi'
+	icon_state = "plating_warn"
+/turf/open/floor/plating/warnplate/corner
+	icon_state = "plating_warn_corner"
+/turf/open/floor/plating/warnplate/side
+	icon_state = "plating_warn_side"
+/turf/open/floor/plating/warnplate/end
+	icon_state = "plating_warn_end"
+
+/turf/open/floor/plating/airless/warnplate
+	icon = 'icons/turf/floors/warning.dmi'
+	icon_state = "plating_warn"
+/turf/open/floor/plating/airless/warnplate/corner
+	icon_state = "plating_warn_corner"
+/turf/open/floor/plating/airless/warnplate/side
+	icon_state = "plating_warn_side"
+/turf/open/floor/plating/airless/warnplate/end
+	icon_state = "plating_warn_end"

code/game/turfs/simulated/river.dm

@@ -0,0 +1,81 @@
+#define RANDOM_UPPER_X 200
+#define RANDOM_UPPER_Y 200
+
+#define RANDOM_LOWER_X 50
+#define RANDOM_LOWER_Y 50
+
+/proc/spawn_rivers(target_z = 5, nodes = 4, turf_type = /turf/open/floor/plating/lava/smooth/lava_land_surface, whitelist_area = /area/lavaland/surface/outdoors, min_x = RANDOM_LOWER_X, min_y = RANDOM_LOWER_Y, max_x = RANDOM_UPPER_X, max_y = RANDOM_UPPER_Y)
+	var/list/river_nodes = list()
+	var/num_spawned = 0
+	while(num_spawned < nodes)
+		var/turf/F = locate(rand(min_x, max_x), rand(min_y, max_y), target_z)
+
+		river_nodes += new /obj/effect/landmark/river_waypoint(F)
+		num_spawned++
+
+	//make some randomly pathing rivers
+	for(var/A in river_nodes)
+		var/obj/effect/landmark/river_waypoint/W = A
+		if (W.z != target_z || W.connected)
+			continue
+		W.connected = 1
+		var/turf/cur_turf = new turf_type(get_turf(W))
+		//cur_turf.ChangeTurf(turf_type)
+		var/turf/target_turf = get_turf(pick(river_nodes - W))
+		if(!target_turf)
+			break
+		var/detouring = 0
+		var/cur_dir = get_dir(cur_turf, target_turf)
+		while(cur_turf != target_turf)
+
+			if(detouring) //randomly snake around a bit
+				if(prob(20))
+					detouring = 0
+					cur_dir = get_dir(cur_turf, target_turf)
+			else if(prob(20))
+				detouring = 1
+				if(prob(50))
+					cur_dir = turn(cur_dir, 45)
+				else
+					cur_dir = turn(cur_dir, -45)
+			else
+				cur_dir = get_dir(cur_turf, target_turf)
+
+			cur_turf = get_step(cur_turf, cur_dir)
+			var/area/new_area = get_area(cur_turf)
+			if(!istype(new_area, whitelist_area)) //Rivers will skip ruins
+				detouring = 0
+				cur_dir = get_dir(cur_turf, target_turf)
+				cur_turf = get_step(cur_turf, cur_dir)
+				continue
+			else
+				var/turf/open/river_turf = new turf_type(cur_turf)
+				river_turf.Spread(30, 25)
+
+	for(var/WP in river_nodes)
+		qdel(WP)
+
+
+/obj/effect/landmark/river_waypoint
+	name = "river waypoint"
+	var/connected = 0
+	invisibility = INVISIBILITY_ABSTRACT
+
+
+/turf/proc/Spread(probability = 30, prob_loss = 25)
+	if(probability <= 0)
+		return
+
+	for(var/turf/F in orange(1, src))
+		if(!F.density || istype(F, /turf/closed/mineral))
+			var/turf/L = new src.type(F)
+
+			if(L && prob(probability))
+				L.Spread(probability - prob_loss)
+
+
+#undef RANDOM_UPPER_X
+#undef RANDOM_UPPER_Y
+
+#undef RANDOM_LOWER_X
+#undef RANDOM_LOWER_Y

code/game/turfs/simulated/walls.dm

@@ -0,0 +1,263 @@
+/turf/closed/wall
+	name = "wall"
+	desc = "A huge chunk of metal used to separate rooms."
+	icon = 'icons/turf/walls/wall.dmi'
+	icon_state = "wall"
+	var/mineral = "metal"
+	explosion_block = 1
+
+	thermal_conductivity = WALL_HEAT_TRANSFER_COEFFICIENT
+	heat_capacity = 312500 //a little over 5 cm thick , 312500 for 1 m by 2.5 m by 0.25 m plasteel wall
+
+	var/walltype = "metal"
+	var/hardness = 40 //lower numbers are harder. Used to determine the probability of a hulk smashing through.
+	var/slicing_duration = 100  //default time taken to slice the wall
+	var/sheet_type = /obj/item/stack/sheet/metal
+	var/obj/item/stack/sheet/builtin_sheet = null
+
+	canSmoothWith = list(
+	/turf/closed/wall,
+	/turf/closed/wall/r_wall,
+	/obj/structure/falsewall,
+	/obj/structure/falsewall/reinforced,
+	/turf/closed/wall/rust,
+	/turf/closed/wall/r_wall/rust)
+	smooth = SMOOTH_TRUE
+
+/turf/closed/wall/New()
+	..()
+	builtin_sheet = new sheet_type
+
+/turf/closed/wall/attack_tk()
+	return
+
+/turf/closed/wall/proc/dismantle_wall(devastated=0, explode=0)
+	if(devastated)
+		devastate_wall()
+	else
+		playsound(src, 'sound/items/Welder.ogg', 100, 1)
+		var/newgirder = break_wall()
+		if(newgirder) //maybe we don't /want/ a girder!
+			transfer_fingerprints_to(newgirder)
+
+	for(var/obj/O in src.contents) //Eject contents!
+		if(istype(O,/obj/structure/sign/poster))
+			var/obj/structure/sign/poster/P = O
+			P.roll_and_drop(src)
+		else
+			O.loc = src
+	ChangeTurf(/turf/open/floor/plating)
+
+/turf/closed/wall/proc/break_wall()
+	builtin_sheet.amount = 2
+	builtin_sheet.loc = src
+	return (new /obj/structure/girder(src))
+
+/turf/closed/wall/proc/devastate_wall()
+	builtin_sheet.amount = 2
+	builtin_sheet.loc = src
+	new /obj/item/stack/sheet/metal(src)
+
+/turf/closed/wall/ex_act(severity, target)
+	if(target == src)
+		dismantle_wall(1,1)
+		return
+	switch(severity)
+		if(1)
+			//SN src = null
+			src.ChangeTurf(src.baseturf)
+			return
+		if(2)
+			if (prob(50))
+				dismantle_wall(0,1)
+			else
+				dismantle_wall(1,1)
+		if(3)
+			if (prob(hardness))
+				dismantle_wall(0,1)
+			else
+	if(!density)
+		..()
+	return
+
+/turf/closed/wall/blob_act(obj/effect/blob/B)
+	if(prob(50))
+		dismantle_wall()
+
+/turf/closed/wall/mech_melee_attack(obj/mecha/M)
+	M.do_attack_animation(src)
+	if(M.damtype == "brute")
+		playsound(src, 'sound/weapons/punch4.ogg', 50, 1)
+		visible_message("<span class='danger'>[M.name] has hit [src]!</span>")
+		if(prob(hardness + M.force) && M.force > 20)
+			dismantle_wall(1)
+			visible_message("<span class='warning'>[M.name] smashes through the wall!</span>")
+			playsound(src, 'sound/effects/meteorimpact.ogg', 100, 1)
+
+/turf/closed/wall/attack_paw(mob/living/user)
+	user.changeNext_move(CLICK_CD_MELEE)
+	return src.attack_hand(user)
+
+
+/turf/closed/wall/attack_animal(mob/living/simple_animal/M)
+	M.changeNext_move(CLICK_CD_MELEE)
+	M.do_attack_animation(src)
+	if(M.environment_smash >= 2)
+		playsound(src, 'sound/effects/meteorimpact.ogg', 100, 1)
+		M << "<span class='notice'>You smash through the wall.</span>"
+		dismantle_wall(1)
+		return
+
+/turf/closed/wall/attack_hulk(mob/user)
+	..(user, 1)
+	if(prob(hardness))
+		playsound(src, 'sound/effects/meteorimpact.ogg', 100, 1)
+		user << text("<span class='notice'>You smash through the wall.</span>")
+		user.say(pick(";RAAAAAAAARGH!", ";HNNNNNNNNNGGGGGGH!", ";GWAAAAAAAARRRHHH!", "NNNNNNNNGGGGGGGGHH!", ";AAAAAAARRRGH!" ))
+		dismantle_wall(1)
+
+	else
+		playsound(src, 'sound/effects/bang.ogg', 50, 1)
+		user << text("<span class='notice'>You punch the wall.</span>")
+	return 1
+
+/turf/closed/wall/attack_hand(mob/user)
+	user.changeNext_move(CLICK_CD_MELEE)
+	user << "<span class='notice'>You push the wall but nothing happens!</span>"
+	playsound(src, 'sound/weapons/Genhit.ogg', 25, 1)
+	src.add_fingerprint(user)
+	..()
+	return
+
+
+/turf/closed/wall/attackby(obj/item/weapon/W, mob/user, params)
+	user.changeNext_move(CLICK_CD_MELEE)
+	if (!user.IsAdvancedToolUser())
+		user << "<span class='warning'>You don't have the dexterity to do this!</span>"
+		return
+
+	//get the user's location
+	if( !istype(user.loc, /turf) )
+		return	//can't do this stuff whilst inside objects and such
+
+	add_fingerprint(user)
+
+	//THERMITE related stuff. Calls src.thermitemelt() which handles melting simulated walls and the relevant effects
+	if( thermite )
+		if(W.is_hot())
+			thermitemelt(user)
+			return
+
+	var/turf/T = user.loc	//get user's location for delay checks
+
+	//the istype cascade has been spread among various procs for easy overriding
+	if(try_wallmount(W,user,T) || try_decon(W,user,T) || try_destroy(W,user,T))
+		return
+
+	return
+
+
+/turf/closed/wall/proc/try_wallmount(obj/item/weapon/W, mob/user, turf/T)
+	//check for wall mounted frames
+	if(istype(W,/obj/item/wallframe))
+		var/obj/item/wallframe/F = W
+		if(F.try_build(src))
+			F.attach(src)
+		return 1
+	//Poster stuff
+	else if(istype(W,/obj/item/weapon/poster))
+		place_poster(W,user)
+		return 1
+
+	return 0
+
+
+/turf/closed/wall/proc/try_decon(obj/item/weapon/W, mob/user, turf/T)
+	if( istype(W, /obj/item/weapon/weldingtool) )
+		var/obj/item/weapon/weldingtool/WT = W
+		if( WT.remove_fuel(0,user) )
+			user << "<span class='notice'>You begin slicing through the outer plating...</span>"
+			playsound(src, 'sound/items/Welder.ogg', 100, 1)
+			if(do_after(user, slicing_duration/W.toolspeed, target = src))
+				if( !istype(src, /turf/closed/wall) || !user || !WT || !WT.isOn() || !T )
+					return 1
+				if( user.loc == T && user.get_active_hand() == WT )
+					user << "<span class='notice'>You remove the outer plating.</span>"
+					dismantle_wall()
+					return 1
+	else if( istype(W, /obj/item/weapon/gun/energy/plasmacutter) )
+		user << "<span class='notice'>You begin slicing through the outer plating...</span>"
+		playsound(src, 'sound/items/Welder.ogg', 100, 1)
+		if(do_after(user, slicing_duration*0.6, target = src))  // plasma cutter is faster than welding tool
+			if( !istype(src, /turf/closed/wall) || !user || !W || !T )
+				return 1
+			if( user.loc == T && user.get_active_hand() == W )
+				user << "<span class='notice'>You remove the outer plating.</span>"
+				dismantle_wall()
+				visible_message("The wall was sliced apart by [user]!", "<span class='italics'>You hear metal being sliced apart.</span>")
+				return 1
+	return 0
+
+
+/turf/closed/wall/proc/try_destroy(obj/item/weapon/W, mob/user, turf/T)
+	if(istype(W, /obj/item/weapon/pickaxe/drill/jackhammer))
+		var/obj/item/weapon/pickaxe/drill/jackhammer/D = W
+		if( !istype(src, /turf/closed/wall) || !user || !W || !T )
+			return 1
+		if( user.loc == T && user.get_active_hand() == W )
+			D.playDigSound()
+			dismantle_wall()
+			visible_message("<span class='warning'>[user] smashes through the [name] with the [W.name]!</span>", "<span class='italics'>You hear the grinding of metal.</span>")
+			return 1
+	return 0
+
+
+/turf/closed/wall/proc/thermitemelt(mob/user)
+	overlays = list()
+	var/obj/effect/overlay/O = new/obj/effect/overlay( src )
+	O.name = "thermite"
+	O.desc = "Looks hot."
+	O.icon = 'icons/effects/fire.dmi'
+	O.icon_state = "2"
+	O.anchored = 1
+	O.opacity = 1
+	O.density = 1
+	O.layer = FLY_LAYER
+
+	playsound(src, 'sound/items/Welder.ogg', 100, 1)
+
+	if(thermite >= 50)
+		var/burning_time = max(100,300 - thermite)
+		var/turf/open/floor/F = ChangeTurf(/turf/open/floor/plating)
+		F.burn_tile()
+		F.icon_state = "wall_thermite"
+		F.add_hiddenprint(user)
+		spawn(burning_time)
+			if(O)
+				qdel(O)
+	else
+		thermite = 0
+		spawn(50)
+			if(O)
+				qdel(O)
+	return
+
+/turf/closed/wall/singularity_pull(S, current_size)
+	if(current_size >= STAGE_FIVE)
+		if(prob(50))
+			dismantle_wall()
+		return
+	if(current_size == STAGE_FOUR)
+		if(prob(30))
+			dismantle_wall()
+
+/turf/closed/wall/narsie_act()
+	if(prob(20))
+		ChangeTurf(/turf/closed/wall/mineral/cult)
+
+/turf/closed/wall/ratvar_act()
+	if(prob(20))
+		ChangeTurf(/turf/closed/wall/clockwork)
+
+/turf/closed/wall/storage_contents_dump_act(obj/item/weapon/storage/src_object, mob/user)
+	return 0

code/game/turfs/simulated/walls_mineral.dm

@@ -0,0 +1,189 @@
+/turf/closed/wall/mineral
+	name = "mineral wall"
+	desc = "This shouldn't exist"
+	icon_state = ""
+	var/last_event = 0
+	var/active = null
+	canSmoothWith = null
+	smooth = SMOOTH_TRUE
+
+/turf/closed/wall/mineral/gold
+	name = "gold wall"
+	desc = "A wall with gold plating. Swag!"
+	icon = 'icons/turf/walls/gold_wall.dmi'
+	icon_state = "gold"
+	walltype = "gold"
+	mineral = "gold"
+	sheet_type = /obj/item/stack/sheet/mineral/gold
+	//var/electro = 1
+	//var/shocked = null
+	explosion_block = 0 //gold is a soft metal you dingus.
+	canSmoothWith = list(/turf/closed/wall/mineral/gold, /obj/structure/falsewall/gold)
+
+/turf/closed/wall/mineral/silver
+	name = "silver wall"
+	desc = "A wall with silver plating. Shiny!"
+	icon = 'icons/turf/walls/silver_wall.dmi'
+	icon_state = "silver"
+	walltype = "silver"
+	mineral = "silver"
+	sheet_type = /obj/item/stack/sheet/mineral/silver
+	//var/electro = 0.75
+	//var/shocked = null
+	canSmoothWith = list(/turf/closed/wall/mineral/silver, /obj/structure/falsewall/silver)
+
+/turf/closed/wall/mineral/diamond
+	name = "diamond wall"
+	desc = "A wall with diamond plating. You monster."
+	icon = 'icons/turf/walls/diamond_wall.dmi'
+	icon_state = "diamond"
+	walltype = "diamond"
+	mineral = "diamond"
+	sheet_type = /obj/item/stack/sheet/mineral/diamond
+	slicing_duration = 200   //diamond wall takes twice as much time to slice
+	explosion_block = 3
+	canSmoothWith = list(/turf/closed/wall/mineral/diamond, /obj/structure/falsewall/diamond)
+
+/turf/closed/wall/mineral/diamond/thermitemelt(mob/user)
+	return
+
+/turf/closed/wall/mineral/clown
+	name = "bananium wall"
+	desc = "A wall with bananium plating. Honk!"
+	icon = 'icons/turf/walls/bananium_wall.dmi'
+	icon_state = "bananium"
+	walltype = "bananium"
+	mineral = "bananium"
+	sheet_type = /obj/item/stack/sheet/mineral/bananium
+	canSmoothWith = list(/turf/closed/wall/mineral/clown, /obj/structure/falsewall/clown)
+
+/turf/closed/wall/mineral/sandstone
+	name = "sandstone wall"
+	desc = "A wall with sandstone plating. Rough."
+	icon = 'icons/turf/walls/sandstone_wall.dmi'
+	icon_state = "sandstone"
+	walltype = "sandstone"
+	mineral = "sandstone"
+	sheet_type = /obj/item/stack/sheet/mineral/sandstone
+	explosion_block = 0
+	canSmoothWith = list(/turf/closed/wall/mineral/sandstone, /obj/structure/falsewall/sandstone)
+
+/turf/closed/wall/mineral/uranium
+	name = "uranium wall"
+	desc = "A wall with uranium plating. This is probably a bad idea."
+	icon = 'icons/turf/walls/uranium_wall.dmi'
+	icon_state = "uranium"
+	walltype = "uranium"
+	mineral = "uranium"
+	sheet_type = /obj/item/stack/sheet/mineral/uranium
+	canSmoothWith = list(/turf/closed/wall/mineral/uranium, /obj/structure/falsewall/uranium)
+
+/turf/closed/wall/mineral/uranium/proc/radiate()
+	if(!active)
+		if(world.time > last_event+15)
+			active = 1
+			radiation_pulse(get_turf(src), 3, 3, 4, 0)
+			for(var/turf/closed/wall/mineral/uranium/T in orange(1,src))
+				T.radiate()
+			last_event = world.time
+			active = null
+			return
+	return
+
+/turf/closed/wall/mineral/uranium/attack_hand(mob/user)
+	radiate()
+	..()
+
+/turf/closed/wall/mineral/uranium/attackby(obj/item/weapon/W, mob/user, params)
+	radiate()
+	..()
+
+/turf/closed/wall/mineral/uranium/Bumped(AM as mob|obj)
+	radiate()
+	..()
+
+/turf/closed/wall/mineral/plasma
+	name = "plasma wall"
+	desc = "A wall with plasma plating. This is definitely a bad idea."
+	icon = 'icons/turf/walls/plasma_wall.dmi'
+	icon_state = "plasma"
+	walltype = "plasma"
+	mineral = "plasma"
+	sheet_type = /obj/item/stack/sheet/mineral/plasma
+	thermal_conductivity = 0.04
+	canSmoothWith = list(/turf/closed/wall/mineral/plasma, /obj/structure/falsewall/plasma)
+
+/turf/closed/wall/mineral/plasma/attackby(obj/item/weapon/W, mob/user, params)
+	if(W.is_hot() > 300)//If the temperature of the object is over 300, then ignite
+		message_admins("Plasma wall ignited by [key_name_admin(user)](<A HREF='?_src_=holder;adminmoreinfo=\ref[user]'>?</A>) (<A HREF='?_src_=holder;adminplayerobservefollow=\ref[user]'>FLW</A>) in ([x],[y],[z] - <A HREF='?_src_=holder;adminplayerobservecoodjump=1;X=[x];Y=[y];Z=[z]'>JMP</a>)",0,1)
+		log_game("Plasma wall ignited by [key_name(user)] in ([x],[y],[z])")
+		ignite(W.is_hot())
+		return
+	..()
+
+/turf/closed/wall/mineral/plasma/proc/PlasmaBurn(temperature)
+	new /obj/structure/girder(src)
+	src.ChangeTurf(/turf/open/floor/plasteel)
+	var/turf/open/T = src
+	T.atmos_spawn_air("plasma=400;TEMP=1000")
+
+/turf/closed/wall/mineral/plasma/temperature_expose(datum/gas_mixture/air, exposed_temperature, exposed_volume)//Doesn't fucking work because walls don't interact with air :(
+	if(exposed_temperature > 300)
+		PlasmaBurn(exposed_temperature)
+
+/turf/closed/wall/mineral/plasma/proc/ignite(exposed_temperature)
+	if(exposed_temperature > 300)
+		PlasmaBurn(exposed_temperature)
+
+/turf/closed/wall/mineral/plasma/bullet_act(var/obj/item/projectile/Proj)
+	if(istype(Proj,/obj/item/projectile/beam))
+		PlasmaBurn(2500)
+	else if(istype(Proj,/obj/item/projectile/ion))
+		PlasmaBurn(500)
+	..()
+
+
+/turf/closed/wall/mineral/wood
+	name = "wooden wall"
+	desc = "A wall with wooden plating. Stiff."
+	icon = 'icons/turf/walls/wood_wall.dmi'
+	icon_state = "wood"
+	walltype = "wood"
+	mineral = "wood"
+	sheet_type = /obj/item/stack/sheet/mineral/wood
+	hardness = 70
+	explosion_block = 0
+	canSmoothWith = list(/turf/closed/wall/mineral/wood, /obj/structure/falsewall/wood)
+
+/turf/closed/wall/mineral/iron
+	name = "rough metal wall"
+	desc = "A wall with rough metal plating."
+	icon = 'icons/turf/walls/iron_wall.dmi'
+	icon_state = "iron"
+	walltype = "iron"
+	mineral = "rods"
+	sheet_type = /obj/item/stack/rods
+	canSmoothWith = list(/turf/closed/wall/mineral/iron, /obj/structure/falsewall/iron)
+
+/turf/closed/wall/mineral/snow
+	name = "packed snow wall"
+	desc = "A wall made of densely packed snow blocks."
+	icon = 'icons/turf/walls/snow_wall.dmi'
+	icon_state = "snow"
+	walltype = "snow"
+	mineral = "snow"
+	hardness = 80
+	sheet_type = /obj/item/stack/sheet/mineral/snow
+	canSmoothWith = null
+
+/turf/closed/wall/mineral/abductor
+	name = "alien wall"
+	desc = "A wall with alien alloy plating."
+	icon = 'icons/turf/walls/abductor_wall.dmi'
+	icon_state = "abductor"
+	walltype = "abductor"
+	mineral = "abductor"
+	sheet_type = /obj/item/stack/sheet/mineral/abductor
+	slicing_duration = 200   //alien wall takes twice as much time to slice
+	explosion_block = 3
+	canSmoothWith = list(/turf/closed/wall/mineral/abductor, /obj/structure/falsewall/abductor)

code/game/turfs/simulated/walls_misc.dm

@@ -0,0 +1,193 @@
+/turf/closed/wall/mineral/cult
+	name = "runed metal wall"
+	desc = "A cold metal wall engraved with indecipherable symbols. Studying them causes your head to pound."
+	icon = 'icons/turf/walls/cult_wall.dmi'
+	icon_state = "cult"
+	walltype = "cult"
+	builtin_sheet = null
+	canSmoothWith = null
+
+/turf/closed/wall/mineral/cult/New()
+	PoolOrNew(/obj/effect/overlay/temp/cult/turf, src)
+	..()
+
+/turf/closed/wall/mineral/cult/break_wall()
+	new/obj/item/stack/sheet/runed_metal(get_turf(src), 1)
+	return (new /obj/structure/girder/cult(src))
+
+/turf/closed/wall/mineral/cult/devastate_wall()
+	new/obj/item/stack/sheet/runed_metal(get_turf(src), 1)
+
+/turf/closed/wall/mineral/cult/narsie_act()
+	return
+
+/turf/closed/wall/mineral/cult/ratvar_act()
+	..()
+	if(istype(src, /turf/closed/wall/mineral/cult)) //if we haven't changed type
+		var/previouscolor = color
+		color = "#FAE48C"
+		animate(src, color = previouscolor, time = 8)
+
+/turf/closed/wall/mineral/cult/artificer
+	name = "runed stone wall"
+	desc = "A cold stone wall engraved with indecipherable symbols. Studying them causes your head to pound."
+
+/turf/closed/wall/mineral/cult/artificer/break_wall()
+	PoolOrNew(/obj/effect/overlay/temp/cult/turf, get_turf(src))
+	return null //excuse me we want no runed metal here
+
+/turf/closed/wall/mineral/cult/artificer/devastate_wall()
+	PoolOrNew(/obj/effect/overlay/temp/cult/turf, get_turf(src))
+
+//Clockwork wall: Causes nearby tinkerer's caches to generate components.
+/turf/closed/wall/clockwork
+	name = "clockwork wall"
+	desc = "A huge chunk of warm metal. The clanging of machinery emanates from within."
+	icon = 'icons/turf/walls/clockwork_wall.dmi'
+	icon_state = "clockwork_wall"
+	canSmoothWith = list(/turf/closed/wall/clockwork)
+	smooth = SMOOTH_MORE
+	explosion_block = 2
+
+/turf/closed/wall/clockwork/New()
+	..()
+	PoolOrNew(/obj/effect/overlay/temp/ratvar/wall, src)
+	PoolOrNew(/obj/effect/overlay/temp/ratvar/beam, src)
+	clockwork_construction_value += 5
+
+/turf/closed/wall/clockwork/Destroy()
+	clockwork_construction_value -= 5
+	..()
+
+/turf/closed/wall/clockwork/attackby(obj/item/I, mob/living/user, params)
+	if(istype(I, /obj/item/weapon/weldingtool))
+		var/obj/item/weapon/weldingtool/WT = I
+		if(!WT.isOn())
+			return 0
+		user.visible_message("<span class='notice'>[user] begins slowly breaking down [src]...</span>", "<span class='notice'>You begin painstakingly destroying [src]...</span>")
+		if(!do_after(user, 120 / WT.toolspeed, target = src))
+			return 0
+		if(!WT.remove_fuel(1, user))
+			return 0
+		user.visible_message("<span class='notice'>[user] breaks apart [src]!</span>", "<span class='notice'>You break apart [src]!</span>")
+		dismantle_wall()
+		return 1
+	return ..()
+
+/turf/closed/wall/clockwork/ratvar_act()
+	return 0
+
+/turf/closed/wall/clockwork/narsie_act()
+	..()
+	if(istype(src, /turf/closed/wall/clockwork)) //if we haven't changed type
+		var/previouscolor = color
+		color = "#960000"
+		animate(src, color = previouscolor, time = 8)
+
+/turf/closed/wall/clockwork/dismantle_wall(devastated=0, explode=0)
+	if(devastated)
+		devastate_wall()
+		ChangeTurf(/turf/open/floor/plating)
+	else
+		playsound(src, 'sound/items/Welder.ogg', 100, 1)
+		var/newgirder = break_wall()
+		if(newgirder) //maybe we want a gear!
+			transfer_fingerprints_to(newgirder)
+		ChangeTurf(/turf/open/floor/clockwork)
+
+	for(var/obj/O in src) //Eject contents!
+		if(istype(O,/obj/structure/sign/poster))
+			var/obj/structure/sign/poster/P = O
+			P.roll_and_drop(src)
+		else
+			O.loc = src
+
+/turf/closed/wall/clockwork/break_wall()
+	return new/obj/structure/clockwork/wall_gear(src)
+
+/turf/closed/wall/clockwork/devastate_wall()
+	new/obj/item/clockwork/alloy_shards(src)
+
+
+/turf/closed/wall/vault
+	icon = 'icons/turf/walls.dmi'
+	icon_state = "rockvault"
+
+/turf/closed/wall/ice
+	icon = 'icons/turf/walls/icedmetal_wall.dmi'
+	icon_state = "iced"
+	desc = "A wall covered in a thick sheet of ice."
+	walltype = "iced"
+	canSmoothWith = null
+	hardness = 35
+	slicing_duration = 150 //welding through the ice+metal
+
+/turf/closed/wall/rust
+	name = "rusted wall"
+	desc = "A rusted metal wall."
+	icon = 'icons/turf/walls/rusty_wall.dmi'
+	icon_state = "arust"
+	walltype = "arust"
+	hardness = 45
+
+/turf/closed/wall/r_wall/rust
+	name = "rusted reinforced wall"
+	desc = "A huge chunk of rusted reinforced metal."
+	icon = 'icons/turf/walls/rusty_reinforced_wall.dmi'
+	icon_state = "rrust"
+	walltype = "rrust"
+	hardness = 15
+
+/turf/closed/wall/shuttle
+	name = "wall"
+	icon = 'icons/turf/shuttle.dmi'
+	icon_state = "wall"
+	walltype = "shuttle"
+	smooth = SMOOTH_FALSE
+
+/turf/closed/wall/shuttle/smooth
+	name = "wall"
+	icon = 'icons/turf/walls/shuttle_wall.dmi'
+	icon_state = "shuttle"
+	walltype = "shuttle"
+	smooth = SMOOTH_MORE|SMOOTH_DIAGONAL
+	canSmoothWith = list(/turf/closed/wall/shuttle/smooth, /obj/structure/window/shuttle, /obj/structure/shuttle/engine)
+
+/turf/closed/wall/shuttle/smooth/nodiagonal
+	smooth = SMOOTH_MORE
+	icon_state = "shuttle_nd"
+
+/turf/closed/wall/shuttle/smooth/overspace
+	icon_state = "overspace"
+	fixed_underlay = list("space"=1)
+
+//sub-type to be used for interior shuttle walls
+//won't get an underlay of the destination turf on shuttle move
+/turf/closed/wall/shuttle/interior/copyTurf(turf/T)
+	if(T.type != type)
+		T.ChangeTurf(type)
+		if(underlays.len)
+			T.underlays = underlays
+	if(T.icon_state != icon_state)
+		T.icon_state = icon_state
+	if(T.icon != icon)
+		T.icon = icon
+	if(T.color != color)
+		T.color = color
+	if(T.dir != dir)
+		T.setDir(dir)
+	T.transform = transform
+	return T
+
+/turf/closed/wall/shuttle/copyTurf(turf/T)
+	. = ..()
+	T.transform = transform
+
+
+//why don't shuttle walls habe smoothwall? now i gotta do rotation the dirty way <- DOUBLE GOOFBALL FOR NOT CALLING PARENT
+/turf/closed/wall/shuttle/shuttleRotate(rotation)
+	if(smooth)
+		return ..()
+	var/matrix/M = transform
+	M.Turn(rotation)
+	transform = M

code/game/turfs/simulated/walls_reinforced.dm

@@ -0,0 +1,228 @@
+/turf/closed/wall/r_wall
+	name = "reinforced wall"
+	desc = "A huge chunk of reinforced metal used to separate rooms."
+	icon = 'icons/turf/walls/reinforced_wall.dmi'
+	icon_state = "r_wall"
+	opacity = 1
+	density = 1
+
+	walltype = "rwall"
+
+	var/d_state = 0
+	hardness = 10
+	sheet_type = /obj/item/stack/sheet/plasteel
+	explosion_block = 2
+
+/turf/closed/wall/r_wall/break_wall()
+	builtin_sheet.loc = src
+	return (new /obj/structure/girder/reinforced(src))
+
+/turf/closed/wall/r_wall/devastate_wall()
+	builtin_sheet.loc = src
+	new /obj/item/stack/sheet/metal(src, 2)
+
+/turf/closed/wall/r_wall/attack_animal(mob/living/simple_animal/M)
+	M.changeNext_move(CLICK_CD_MELEE)
+	M.do_attack_animation(src)
+	if(M.environment_smash == 3)
+		dismantle_wall(1)
+		playsound(src, 'sound/effects/meteorimpact.ogg', 100, 1)
+		M << "<span class='notice'>You smash through the wall.</span>"
+	else
+		M << "<span class='warning'>This wall is far too strong for you to destroy.</span>"
+
+/turf/closed/wall/r_wall/try_destroy(obj/item/weapon/W, mob/user, turf/T)
+	if(istype(W, /obj/item/weapon/pickaxe/drill/jackhammer))
+		var/obj/item/weapon/pickaxe/drill/jackhammer/D = W
+		user << "<span class='notice'>You begin to smash though the [name]...</span>"
+		if(do_after(user, 50, target = src))
+			if( !istype(src, /turf/closed/wall/r_wall) || !user || !W || !T )
+				return 1
+			if( user.loc == T && user.get_active_hand() == W )
+				D.playDigSound()
+				visible_message("<span class='warning'>[user] smashes through the [name] with the [D.name]!</span>", "<span class='italics'>You hear the grinding of metal.</span>")
+				dismantle_wall()
+				return 1
+	else if(istype(W, /obj/item/stack/sheet/metal) && d_state)
+		var/obj/item/stack/sheet/metal/MS = W
+		if (MS.get_amount() < 1)
+			user << "<span class='warning'>You need one sheet of metal to repair the wall!</span>"
+			return 1
+		user << "<span class='notice'>You begin patching-up the wall with \a [MS]...</span>"
+		if (do_after(user, max(20*d_state,100), target = src))//time taken to repair is proportional to the damage! (max 10 seconds)
+			if(loc == null || MS.get_amount() < 1)
+				return 1
+			MS.use(1)
+			src.d_state = 0
+			src.icon_state = "r_wall"
+			queue_smooth_neighbors(src)
+			user << "<span class='notice'>You repair the last of the damage.</span>"
+			return 1
+	return 0
+
+/turf/closed/wall/r_wall/try_decon(obj/item/weapon/W, mob/user, turf/T)
+	//DECONSTRUCTION
+	switch(d_state)
+		if(0)
+			if (istype(W, /obj/item/weapon/wirecutters))
+				playsound(src, 'sound/items/Wirecutter.ogg', 100, 1)
+				src.d_state = 1
+				update_icon()
+				user << "<span class='notice'>You cut the outer grille.</span>"
+				return 1
+
+		if(1)
+			if (istype(W, /obj/item/weapon/screwdriver))
+				user << "<span class='notice'>You begin removing the support lines...</span>"
+				playsound(src, 'sound/items/Screwdriver.ogg', 100, 1)
+
+				if(do_after(user, 40, target = src))
+					if( !istype(src, /turf/closed/wall/r_wall) || !user || !W || !T )
+						return 1
+
+					if( d_state == 1 && user.loc == T && user.get_active_hand() == W )
+						src.d_state = 2
+						update_icon()
+						user << "<span class='notice'>You remove the support lines.</span>"
+				return 1
+
+			//REPAIRING (replacing the outer grille for cosmetic damage)
+			else if(istype(W, /obj/item/stack/sheet/metal))
+				var/obj/item/stack/sheet/metal/O = W
+				if (O.use(1))
+					src.d_state = 0
+					update_icon()
+					src.icon_state = "r_wall"
+					user << "<span class='notice'>You replace the outer grille.</span>"
+				else
+					user << "<span class='warning'>Report this to a coder: metal stack had less than one sheet in it when trying to repair wall</span>"
+					return 1
+				return 1
+
+		if(2)
+			if( istype(W, /obj/item/weapon/weldingtool) )
+				var/obj/item/weapon/weldingtool/WT = W
+				if( WT.remove_fuel(0,user) )
+
+					user << "<span class='notice'>You begin slicing through the metal cover...</span>"
+					playsound(src, 'sound/items/Welder.ogg', 100, 1)
+
+					if(do_after(user, 60, target = src))
+						if( !istype(src, /turf/closed/wall/r_wall) || !user || !WT || !WT.isOn() || !T )
+							return 0
+
+						if( d_state == 2 && user.loc == T && user.get_active_hand() == WT )
+							src.d_state = 3
+							update_icon()
+							user << "<span class='notice'>You press firmly on the cover, dislodging it.</span>"
+				return 1
+
+			if( istype(W, /obj/item/weapon/gun/energy/plasmacutter) )
+
+				user << "<span class='notice'>You begin slicing through the metal cover...</span>"
+				playsound(src, 'sound/items/Welder.ogg', 100, 1)
+
+				if(do_after(user, 60, target = src))
+					if( !istype(src, /turf/closed/wall/r_wall) || !user || !W || !T )
+						return 1
+
+					if( d_state == 2 && user.loc == T && user.get_active_hand() == W )
+						src.d_state = 3
+						update_icon()
+						user << "<span class='notice'>You press firmly on the cover, dislodging it.</span>"
+				return 1
+
+		if(3)
+			if (istype(W, /obj/item/weapon/crowbar))
+
+				user << "<span class='notice'>You struggle to pry off the cover...</span>"
+				playsound(src, 'sound/items/Crowbar.ogg', 100, 1)
+
+				if(do_after(user, 100, target = src))
+					if( !istype(src, /turf/closed/wall/r_wall) || !user || !W || !T )
+						return 1
+
+					if( d_state == 3 && user.loc == T && user.get_active_hand() == W )
+						src.d_state = 4
+						update_icon()
+						user << "<span class='notice'>You pry off the cover.</span>"
+				return 1
+
+		if(4)
+			if (istype(W, /obj/item/weapon/wrench))
+
+				user << "<span class='notice'>You start loosening the anchoring bolts which secure the support rods to their frame...</span>"
+				playsound(src, 'sound/items/Ratchet.ogg', 100, 1)
+
+				if(do_after(user, 40, target = src))
+					if( !istype(src, /turf/closed/wall/r_wall) || !user || !W || !T )
+						return 1
+
+					if( d_state == 4 && user.loc == T && user.get_active_hand() == W )
+						src.d_state = 5
+						update_icon()
+						user << "<span class='notice'>You remove the bolts anchoring the support rods.</span>"
+				return 1
+
+		if(5)
+			if( istype(W, /obj/item/weapon/weldingtool) )
+				var/obj/item/weapon/weldingtool/WT = W
+				if( WT.remove_fuel(0,user) )
+
+					user << "<span class='notice'>You begin slicing through the support rods...</span>"
+					playsound(src, 'sound/items/Welder.ogg', 100, 1)
+
+					if(do_after(user, 100, target = src))
+						if( !istype(src, /turf/closed/wall/r_wall) || !user || !WT || !WT.isOn() || !T )
+							return 1
+
+						if( d_state == 5 && user.loc == T && user.get_active_hand() == WT )
+							src.d_state = 6
+							update_icon()
+							user << "<span class='notice'>You slice through the support rods.</span>"
+				return 1
+
+			if( istype(W, /obj/item/weapon/gun/energy/plasmacutter) )
+
+				user << "<span class='notice'>You begin slicing through the support rods...</span>"
+				playsound(src, 'sound/items/Welder.ogg', 100, 1)
+
+				if(do_after(user, 70, target = src))
+					if( !istype(src, /turf/closed/wall/r_wall) || !user || !W || !T )
+						return 1
+
+					if( d_state == 5 && user.loc == T && user.get_active_hand() == W )
+						src.d_state = 6
+						update_icon()
+						user << "<span class='notice'>You slice through the support rods.</span>"
+				return 1
+
+		if(6)
+			if( istype(W, /obj/item/weapon/crowbar) )
+
+				user << "<span class='notice'>You struggle to pry off the outer sheath...</span>"
+				playsound(src, 'sound/items/Crowbar.ogg', 100, 1)
+
+				if(do_after(user, 100, target = src))
+					if( !istype(src, /turf/closed/wall/r_wall) || !user || !W || !T )
+						return 1
+
+					if( user.loc == T && user.get_active_hand() == W )
+						user << "<span class='notice'>You pry off the outer sheath.</span>"
+						dismantle_wall()
+				return 1
+	return 0
+
+/turf/closed/wall/r_wall/proc/update_icon()
+	if(d_state)
+		icon_state = "r_wall-[d_state]"
+		smooth = SMOOTH_FALSE
+		clear_smooth_overlays()
+	else
+		smooth = SMOOTH_TRUE
+		icon_state = ""
+
+/turf/closed/wall/r_wall/singularity_pull(S, current_size)
+	if(current_size >= STAGE_FIVE)
+		if(prob(30))
+			dismantle_wall()

code/game/turfs/space/space.dm

@@ -0,0 +1,169 @@
+/turf/open/space
+	icon = 'icons/turf/space.dmi'
+	icon_state = "0"
+	name = "\proper space"
+	intact = 0
+
+	temperature = TCMB
+	thermal_conductivity = OPEN_HEAT_TRANSFER_COEFFICIENT
+	heat_capacity = 700000
+
+	var/destination_z
+	var/destination_x
+	var/destination_y
+
+	var/global/datum/gas_mixture/space/space_gas = new
+
+
+/turf/open/space/New()
+	update_icon()
+	air = space_gas
+
+/turf/open/space/Destroy(force)
+	if(force)
+		. = ..()
+	else
+		return QDEL_HINT_LETMELIVE
+
+/turf/open/space/attack_ghost(mob/dead/observer/user)
+	if(destination_z)
+		var/turf/T = locate(destination_x, destination_y, destination_z)
+		user.forceMove(T)
+
+/turf/open/space/Initalize_Atmos(times_fired)
+	return
+
+/turf/open/space/ChangeTurf(path)
+	. = ..()
+
+/turf/open/space/TakeTemperature(temp)
+
+/turf/open/space/AfterChange()
+	..()
+	atmos_overlay_types.Cut()
+
+/turf/open/space/Assimilate_Air()
+	return
+
+/turf/open/space/proc/update_starlight()
+	if(config.starlight)
+		for(var/t in RANGE_TURFS(1,src)) //RANGE_TURFS is in code\__HELPERS\game.dm
+			if(istype(t, /turf/open/space))
+				//let's NOT update this that much pls
+				continue
+			SetLuminosity(4,1)
+			return
+		SetLuminosity(0)
+
+/turf/open/space/attack_paw(mob/user)
+	return src.attack_hand(user)
+
+/turf/open/space/attackby(obj/item/C, mob/user, params)
+	..()
+	if(istype(C, /obj/item/stack/rods))
+		var/obj/item/stack/rods/R = C
+		var/obj/structure/lattice/L = locate(/obj/structure/lattice, src)
+		var/obj/structure/lattice/catwalk/W = locate(/obj/structure/lattice/catwalk, src)
+		if(W)
+			user << "<span class='warning'>There is already a catwalk here!</span>"
+			return
+		if(L)
+			if(R.use(1))
+				user << "<span class='notice'>You begin constructing catwalk...</span>"
+				playsound(src, 'sound/weapons/Genhit.ogg', 50, 1)
+				qdel(L)
+				ReplaceWithCatwalk()
+			else
+				user << "<span class='warning'>You need two rods to build a catwalk!</span>"
+			return
+		if(R.use(1))
+			user << "<span class='notice'>Constructing support lattice...</span>"
+			playsound(src, 'sound/weapons/Genhit.ogg', 50, 1)
+			ReplaceWithLattice()
+		else
+			user << "<span class='warning'>You need one rod to build a lattice.</span>"
+		return
+	if(istype(C, /obj/item/stack/tile/plasteel))
+		var/obj/structure/lattice/L = locate(/obj/structure/lattice, src)
+		if(L)
+			var/obj/item/stack/tile/plasteel/S = C
+			if(S.use(1))
+				qdel(L)
+				playsound(src, 'sound/weapons/Genhit.ogg', 50, 1)
+				user << "<span class='notice'>You build a floor.</span>"
+				ChangeTurf(/turf/open/floor/plating)
+			else
+				user << "<span class='warning'>You need one floor tile to build a floor!</span>"
+		else
+			user << "<span class='warning'>The plating is going to need some support! Place metal rods first.</span>"
+
+/turf/open/space/Entered(atom/movable/A)
+	..()
+	if ((!(A) || src != A.loc))
+		return
+
+	if(destination_z)
+		A.x = destination_x
+		A.y = destination_y
+		A.z = destination_z
+
+		if(isliving(A))
+			var/mob/living/L = A
+			if(L.pulling)
+				var/turf/T = get_step(L.loc,turn(A.dir, 180))
+				L.pulling.loc = T
+
+		//now we're on the new z_level, proceed the space drifting
+		stoplag()//Let a diagonal move finish, if necessary
+		A.newtonian_move(A.inertia_dir)
+
+/turf/open/space/proc/Sandbox_Spacemove(atom/movable/A)
+	var/cur_x
+	var/cur_y
+	var/next_x = src.x
+	var/next_y = src.y
+	var/target_z
+	var/list/y_arr
+	var/list/cur_pos = src.get_global_map_pos()
+	if(!cur_pos)
+		return
+	cur_x = cur_pos["x"]
+	cur_y = cur_pos["y"]
+
+	if(src.x <= 1)
+		next_x = (--cur_x||global_map.len)
+		y_arr = global_map[next_x]
+		target_z = y_arr[cur_y]
+		next_x = world.maxx - 2
+	else if (src.x >= world.maxx)
+		next_x = (++cur_x > global_map.len ? 1 : cur_x)
+		y_arr = global_map[next_x]
+		target_z = y_arr[cur_y]
+		next_x = 3
+	else if (src.y <= 1)
+		y_arr = global_map[cur_x]
+		next_y = (--cur_y||y_arr.len)
+		target_z = y_arr[next_y]
+		next_y = world.maxy - 2
+	else if (src.y >= world.maxy)
+		y_arr = global_map[cur_x]
+		next_y = (++cur_y > y_arr.len ? 1 : cur_y)
+		target_z = y_arr[next_y]
+		next_y = 3
+
+	var/turf/T = locate(next_x, next_y, target_z)
+	A.Move(T)
+
+/turf/open/space/handle_slip()
+	return
+
+/turf/open/space/singularity_act()
+	return
+
+/turf/open/space/can_have_cabling()
+	if(locate(/obj/structure/lattice/catwalk, src))
+		return 1
+	return 0
+
+/turf/open/space/proc/update_icon()
+	icon_state = SPACE_ICON_STATE

code/game/turfs/space/transit.dm

@@ -0,0 +1,77 @@
+/turf/open/space/transit
+	icon_state = "black"
+	dir = SOUTH
+	baseturf = /turf/open/space/transit
+
+/turf/open/space/transit/horizontal
+	dir = WEST
+
+/turf/open/space/transit/Entered(atom/movable/AM, atom/OldLoc)
+	if(!AM)
+		return
+	var/max = world.maxx-TRANSITIONEDGE
+	var/min = 1+TRANSITIONEDGE
+
+	var/list/possible_transtitons = list()
+	var/k = 1
+	for(var/a in map_transition_config)
+		if(map_transition_config[a] == CROSSLINKED) // Only pick z-levels connected to station space
+			possible_transtitons += k
+		k++
+	var/_z = pick(possible_transtitons)
+
+	//now select coordinates for a border turf
+	var/_x
+	var/_y
+	switch(dir)
+		if(SOUTH)
+			_x = rand(min,max)
+			_y = max
+		if(WEST)
+			_x = max
+			_y = rand(min,max)
+		if(EAST)
+			_x = min
+			_y = rand(min,max)
+		else
+			_x = rand(min,max)
+			_y = min
+
+	var/turf/T = locate(_x, _y, _z)
+	AM.loc = T
+	AM.newtonian_move(dir)
+
+
+
+
+//Overwrite because we dont want people building rods in space.
+/turf/open/space/transit/attackby()
+	return
+
+/turf/open/space/transit/New()
+	update_icon()
+	..()
+
+/turf/open/space/transit/update_icon()
+	var/p = 9
+	var/angle = 0
+	var/state = 1
+	switch(dir)
+		if(NORTH)
+			angle = 180
+			state = ((-p*x+y) % 15) + 1
+			if(state < 1)
+				state += 15
+		if(EAST)
+			angle = 90
+			state = ((x+p*y) % 15) + 1
+		if(WEST)
+			angle = -90
+			state = ((x-p*y) % 15) + 1
+			if(state < 1)
+				state += 15
+		else
+			state =	((p*x+y) % 15) + 1
+
+	icon_state = "speedspace_ns_[state]"
+	transform = turn(matrix(), angle)

code/game/turfs/turf.dm

@@ -0,0 +1,322 @@
+/turf
+	icon = 'icons/turf/floors.dmi'
+	level = 1
+
+	var/intact = 1
+	var/baseturf = /turf/open/space
+
+	var/temperature = T20C
+	var/to_be_destroyed = 0 //Used for fire, if a melting temperature was reached, it will be destroyed
+	var/max_fire_temperature_sustained = 0 //The max temperature of the fire which it was subjected to
+
+	var/blocks_air = 0
+
+	var/PathNode/PNode = null //associated PathNode in the A* algorithm
+
+	flags = 0
+
+	var/list/proximity_checkers = list()
+
+	var/image/obscured	//camerachunks
+
+	var/list/image/blueprint_data //for the station blueprints, images of objects eg: pipes
+
+
+/turf/New()
+	..()
+
+	levelupdate()
+	if(smooth)
+		smooth_icon(src)
+	visibilityChanged()
+
+	for(var/atom/movable/AM in src)
+		Entered(AM)
+
+/turf/proc/Initalize_Atmos(times_fired)
+	CalculateAdjacentTurfs()
+
+/turf/Destroy()
+	visibilityChanged()
+	..()
+	return QDEL_HINT_HARDDEL_NOW
+
+/turf/attack_hand(mob/user)
+	user.Move_Pulled(src)
+
+/turf/attackby(obj/item/C, mob/user, params)
+	if(can_lay_cable() && istype(C, /obj/item/stack/cable_coil))
+		var/obj/item/stack/cable_coil/coil = C
+		for(var/obj/structure/cable/LC in src)
+			if((LC.d1==0)||(LC.d2==0))
+				LC.attackby(C,user)
+				return
+		coil.place_turf(src, user)
+		return 1
+
+	return 0
+
+/turf/Enter(atom/movable/mover as mob|obj, atom/forget as mob|obj|turf|area)
+	if (!mover)
+		return 1
+	// First, make sure it can leave its square
+	if(isturf(mover.loc))
+		// Nothing but border objects stop you from leaving a tile, only one loop is needed
+		for(var/obj/obstacle in mover.loc)
+			if(!obstacle.CheckExit(mover, src) && obstacle != mover && obstacle != forget)
+				mover.Bump(obstacle, 1)
+				return 0
+
+	var/list/large_dense = list()
+	//Next, check objects to block entry that are on the border
+	for(var/atom/movable/border_obstacle in src)
+		if(border_obstacle.flags&ON_BORDER)
+			if(!border_obstacle.CanPass(mover, mover.loc, 1) && (forget != border_obstacle))
+				mover.Bump(border_obstacle, 1)
+				return 0
+		else
+			large_dense += border_obstacle
+
+	//Then, check the turf itself
+	if (!src.CanPass(mover, src))
+		mover.Bump(src, 1)
+		return 0
+
+	//Finally, check objects/mobs to block entry that are not on the border
+	for(var/atom/movable/obstacle in large_dense)
+		if(!obstacle.CanPass(mover, mover.loc, 1) && (forget != obstacle))
+			mover.Bump(obstacle, 1)
+			return 0
+	return 1 //Nothing found to block so return success!
+
+/turf/Entered(atom/movable/AM)
+	for(var/A in proximity_checkers)
+		var/atom/B = A
+		B.HasProximity(AM)
+
+/turf/open/Entered(atom/movable/AM)
+	..()
+	//slipping
+	if (istype(AM,/mob/living/carbon))
+		var/mob/living/carbon/M = AM
+		switch(wet)
+			if(TURF_WET_WATER)
+				if(!M.slip(0, 3, null, NO_SLIP_WHEN_WALKING))
+					M.inertia_dir = 0
+			if(TURF_WET_LUBE)
+				if(M.slip(0, 4, null, (SLIDE|GALOSHES_DONT_HELP)))
+					M.confused = max(M.confused, 8)
+			if(TURF_WET_ICE)
+				M.slip(0, 6, null, (SLIDE|GALOSHES_DONT_HELP))
+			if(TURF_WET_ICE || TURF_WET_PERMAFROST)
+				M.slip(0, 4, null, (SLIDE|NO_SLIP_WHEN_WALKING))
+			if(TURF_WET_SLIDE)
+				M.slip(0, 4, null, (SLIDE|GALOSHES_DONT_HELP))
+
+/turf/proc/is_plasteel_floor()
+	return 0
+
+/turf/proc/levelupdate()
+	for(var/obj/O in src)
+		if(O.level == 1)
+			O.hide(src.intact)
+
+// override for space turfs, since they should never hide anything
+/turf/open/space/levelupdate()
+	for(var/obj/O in src)
+		if(O.level == 1)
+			O.hide(0)
+
+// Removes all signs of lattice on the pos of the turf -Donkieyo
+/turf/proc/RemoveLattice()
+	var/obj/structure/lattice/L = locate(/obj/structure/lattice, src)
+	if(L)
+		qdel(L)
+
+//Creates a new turf
+/turf/proc/ChangeTurf(path, defer_change = FALSE)
+	if(!path)
+		return
+	if(!use_preloader && path == type) // Don't no-op if the map loader requires it to be reconstructed
+		return src
+	var/old_blueprint_data = blueprint_data
+
+	SSair.remove_from_active(src)
+
+	var/turf/W = new path(src)
+	if(!defer_change)
+		W.AfterChange()
+	W.blueprint_data = old_blueprint_data
+	return W
+
+/turf/proc/AfterChange() //called after a turf has been replaced in ChangeTurf()
+	levelupdate()
+	CalculateAdjacentTurfs()
+
+	if(!can_have_cabling())
+		for(var/obj/structure/cable/C in contents)
+			C.Deconstruct()
+
+	queue_smooth_neighbors(src)
+
+/turf/open/AfterChange(ignore_air)
+	..()
+	RemoveLattice()
+	if(!ignore_air)
+		Assimilate_Air()
+
+//////Assimilate Air//////
+/turf/open/proc/Assimilate_Air()
+	if(blocks_air)
+		return
+
+	var/datum/gas_mixture/total = new//Holders to assimilate air from nearby turfs
+	var/list/total_gases = total.gases
+	var/turf_count = atmos_adjacent_turfs.len
+
+	for(var/T in atmos_adjacent_turfs)
+		var/turf/open/S = T
+		var/list/S_gases = S.air.gases
+		for(var/id in S_gases)
+			total.assert_gas(id)
+			total_gases[id][MOLES] += S_gases[id][MOLES]
+		total.temperature += S.air.temperature
+
+	air.copy_from(total)
+
+	if(!turf_count) //if there weren't any open turfs, no need to update.
+		return
+
+	var/list/air_gases = air.gases
+	for(var/id in air_gases)
+		air_gases[id][MOLES] /= turf_count //Averages contents of the turfs, ignoring walls and the like
+
+	air.temperature /= turf_count
+
+	SSair.add_to_active(src)
+
+/turf/proc/ReplaceWithLattice()
+	ChangeTurf(baseturf)
+	new /obj/structure/lattice(locate(x, y, z))
+
+/turf/proc/ReplaceWithCatwalk()
+	ChangeTurf(baseturf)
+	new /obj/structure/lattice/catwalk(locate(x, y, z))
+
+/turf/proc/phase_damage_creatures(damage,mob/U = null)//>Ninja Code. Hurts and knocks out creatures on this turf //NINJACODE
+	for(var/mob/living/M in src)
+		if(M==U)
+			continue//Will not harm U. Since null != M, can be excluded to kill everyone.
+		M.adjustBruteLoss(damage)
+		M.Paralyse(damage/5)
+	for(var/obj/mecha/M in src)
+		M.take_damage(damage*2, "brute")
+
+/turf/proc/Bless()
+	flags |= NOJAUNT
+
+/turf/storage_contents_dump_act(obj/item/weapon/storage/src_object, mob/user)
+	if(src_object.contents.len)
+		usr << "<span class='notice'>You start dumping out the contents...</span>"
+		if(!do_after(usr,20,target=src_object))
+			return 0
+	for(var/obj/item/I in src_object)
+		if(user.s_active != src_object)
+			if(I.on_found(user))
+				return
+		src_object.remove_from_storage(I, src) //No check needed, put everything inside
+	return 1
+
+//////////////////////////////
+//Distance procs
+//////////////////////////////
+
+//Distance associates with all directions movement
+/turf/proc/Distance(var/turf/T)
+	return get_dist(src,T)
+
+//  This Distance proc assumes that only cardinal movement is
+//  possible. It results in more efficient (CPU-wise) pathing
+//  for bots and anything else that only moves in cardinal dirs.
+/turf/proc/Distance_cardinal(turf/T)
+	if(!src || !T) return 0
+	return abs(x - T.x) + abs(y - T.y)
+
+////////////////////////////////////////////////////
+
+/turf/singularity_act()
+	if(intact)
+		for(var/obj/O in contents) //this is for deleting things like wires contained in the turf
+			if(O.level != 1)
+				continue
+			if(O.invisibility == INVISIBILITY_MAXIMUM)
+				O.singularity_act()
+	ChangeTurf(src.baseturf)
+	return(2)
+
+/turf/proc/can_have_cabling()
+	return 1
+
+/turf/proc/can_lay_cable()
+	return can_have_cabling() & !intact
+
+/turf/proc/visibilityChanged()
+	if(ticker)
+		cameranet.updateVisibility(src)
+
+/turf/proc/burn_tile()
+
+/turf/proc/is_shielded()
+
+/turf/contents_explosion(severity, target)
+	var/affecting_level
+	if(severity == 1)
+		affecting_level = 1
+	else if(is_shielded())
+		affecting_level = 3
+	else if(intact)
+		affecting_level = 2
+	else
+		affecting_level = 1
+
+	for(var/V in contents)
+		var/atom/A = V
+		if(A.level >= affecting_level)
+			A.ex_act(severity, target)
+
+
+/turf/proc/add_blueprints(atom/movable/AM)
+	var/image/I = new
+	I.appearance = AM.appearance
+	I.appearance_flags = RESET_COLOR|RESET_ALPHA|RESET_TRANSFORM
+	I.loc = src
+	I.setDir(AM.dir)
+	I.alpha = 128
+
+	if(!blueprint_data)
+		blueprint_data = list()
+	blueprint_data += I
+
+
+/turf/proc/add_blueprints_preround(atom/movable/AM)
+	if(!ticker || ticker.current_state != GAME_STATE_PLAYING)
+		add_blueprints(AM)
+
+/turf/proc/empty(turf_type=/turf/open/space)
+	// Remove all atoms except observers, landmarks, docking ports
+	var/turf/T0 = src
+	for(var/A in T0.GetAllContents())
+		if(istype(A, /mob/dead))
+			continue
+		if(istype(A, /obj/effect/landmark))
+			continue
+		if(istype(A, /obj/docking_port))
+			continue
+		qdel(A, force=TRUE)
+
+	T0.ChangeTurf(turf_type)
+
+	T0.redraw_lighting()
+	SSair.remove_from_active(T0)
+	T0.CalculateAdjacentTurfs()
+	SSair.add_to_active(T0,1)