/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
	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/list/broken_states
	var/list/burnt_states

/turf/open/floor/Initialize(mapload)
	if (!broken_states)
		broken_states = list("damaged1", "damaged2", "damaged3", "damaged4", "damaged5")
	if (!burnt_states)
		burnt_states = list()
	..()
	//This is so damaged or burnt tiles or platings don't get remembered as the default tile
	var/static/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")
	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(mapload)
		MakeDirty()

/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)
		severity = 3

	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/structure/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(new_path)
	if(!isfloorturf(src))
		return ..() //fucking turfs switch the fucking src of the fucking running procs
	if(!ispath(new_path, /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))
		return pry_tile(C, user)
	if(intact && istype(C, /obj/item/stack/tile))
		try_replace_tile(C, user, params)
	return 0

/turf/open/floor/proc/try_replace_tile(obj/item/stack/tile/T, mob/user, params)
	if(T.turf_type == type)
		return
	var/obj/item/weapon/crowbar/CB = user.is_holding_item_of_type(/obj/item/weapon/crowbar)
	if(!CB)
		return
	var/turf/open/floor/plating/P = pry_tile(CB, user, TRUE)
	if(!istype(P))
		return
	P.attackby(T, user, params)

/turf/open/floor/proc/pry_tile(obj/item/C, mob/user, silent = FALSE)
	playsound(src, C.usesound, 80, 1)
	return remove_tile(user, silent)

/turf/open/floor/proc/remove_tile(mob/user, silent = FALSE, make_tile = TRUE)
	if(broken || burnt)
		broken = 0
		burnt = 0
		if(user && !silent)
			to_chat(user, "<span class='danger'>You remove the broken plating.</span>")
	else
		if(user && !silent)
			to_chat(user, "<span class='danger'>You remove the floor tile.</span>")
		if(floor_tile && make_tile)
			new floor_tile(src)
	return make_plating()

/turf/open/floor/singularity_pull(S, current_size)
	if(current_size == STAGE_THREE)
		if(prob(30))
			if(floor_tile)
				new floor_tile(src)
				make_plating()
	else if(current_size == STAGE_FOUR)
		if(prob(50))
			if(floor_tile)
				new floor_tile(src)
				make_plating()
	else if(current_size >= STAGE_FIVE)
		if(floor_tile)
			if(prob(70))
				new floor_tile(src)
				make_plating()
		else if(prob(50))
			ReplaceWithLattice()

/turf/open/floor/narsie_act(force, ignore_mobs, probability = 20)
	. = ..()
	if(.)
		ChangeTurf(/turf/open/floor/engine/cult)

/turf/open/floor/ratvar_act(force, ignore_mobs)
	. = ..()
	if(.)
		ChangeTurf(/turf/open/floor/clockwork)

/turf/open/floor/acid_melt()
	ChangeTurf(baseturf)

/turf/open/floor/rcd_vals(mob/user, obj/item/weapon/construction/rcd/the_rcd)
	switch(the_rcd.mode)
		if(RCD_FLOORWALL)
			return list("mode" = RCD_FLOORWALL, "delay" = 20, "cost" = 16)
		if(RCD_AIRLOCK)
			return list("mode" = RCD_AIRLOCK, "delay" = 50, "cost" = 16)
		if(RCD_DECONSTRUCT)
			return list("mode" = RCD_DECONSTRUCT, "delay" = 50, "cost" = 33)
		if(RCD_WINDOWGRILLE)
			return list("mode" = RCD_WINDOWGRILLE, "delay" = 40, "cost" = 4)
	return FALSE

/turf/open/floor/rcd_act(mob/user, obj/item/weapon/construction/rcd/the_rcd, passed_mode)
	switch(passed_mode)
		if(RCD_FLOORWALL)
			to_chat(user, "<span class='notice'>You build a wall.</span>")
			ChangeTurf(/turf/closed/wall)
			return TRUE
		if(RCD_AIRLOCK)
			if(locate(/obj/machinery/door/airlock) in src)
				return FALSE
			to_chat(user, "<span class='notice'>You build an airlock.</span>")
			var/obj/machinery/door/airlock/A = new the_rcd.airlock_type(src)

			A.electronics = new/obj/item/weapon/electronics/airlock(A)

			if(the_rcd.conf_access)
				A.electronics.accesses = the_rcd.conf_access.Copy()
			A.electronics.one_access = the_rcd.use_one_access

			if(A.electronics.one_access)
				A.req_one_access = A.electronics.accesses
			else
				A.req_access = A.electronics.accesses
			A.autoclose = TRUE
			return TRUE
		if(RCD_DECONSTRUCT)
			if(istype(src, baseturf))
				return FALSE
			to_chat(user, "<span class='notice'>You deconstruct [src].</span>")
			ChangeTurf(baseturf)
			return TRUE
		if(RCD_WINDOWGRILLE)
			if(locate(/obj/structure/grille) in src)
				return FALSE
			to_chat(user, "<span class='notice'>You construct the grille.</span>")
			var/obj/structure/grille/G = new(src)
			G.anchored = TRUE
			return TRUE
	return FALSE