Changes some 1s and 0s to TRUE and FALSE (#1967)

code/game/objects/effects/alien_acid.dm

@@ -12,9 +12,9 @@
 	name = "acid"
 	desc = "Burbling corrossive stuff."
 	icon_state = "acid"
-	density = 0
+	density = FALSE
 	opacity = 0
-	anchored = 1
+	anchored = TRUE
 	resistance_flags = FIRE_PROOF | UNACIDABLE | ACID_PROOF
 	layer = ABOVE_NORMAL_TURF_LAYER
 	var/turf/target

code/game/objects/effects/anomalies.dm

@@ -4,8 +4,8 @@
 	name = "anomaly"
 	desc = "A mysterious anomaly, seen commonly only in the region of space that the station orbits..."
 	icon_state = "bhole3"
-	density = 0
-	anchored = 1
+	density = FALSE
+	anchored = TRUE
 	light_range = 3
 	var/movechance = 70
 	var/obj/item/device/assembly/signaler/anomaly/aSignal = null
@@ -81,7 +81,7 @@
 /obj/effect/anomaly/grav
 	name = "gravitational anomaly"
 	icon_state = "shield2"
-	density = 0
+	density = FALSE
 	var/boing = 0
 
 /obj/effect/anomaly/grav/New()
@@ -125,7 +125,7 @@
 /obj/effect/anomaly/flux
 	name = "flux wave anomaly"
 	icon_state = "electricity2"
-	density = 1
+	density = TRUE
 	var/canshock = 0
 	var/shockdamage = 20
 	var/explosive = TRUE
@@ -177,7 +177,7 @@
 	name = "bluespace anomaly"
 	icon = 'icons/obj/projectiles.dmi'
 	icon_state = "bluespace"
-	density = 1
+	density = TRUE
 
 /obj/effect/anomaly/bluespace/New()
 	..()

code/game/objects/effects/bump_teleporter.dm

@@ -5,8 +5,8 @@
 	var/id = null			//id of this bump_teleporter.
 	var/id_target = null	//id of bump_teleporter which this moves you to.
 	invisibility = INVISIBILITY_ABSTRACT 		//nope, can't see this
-	anchored = 1
-	density = 1
+	anchored = TRUE
+	density = TRUE
 	opacity = 0
 
 	var/static/list/AllTeleporters

code/game/objects/effects/contraband.dm

@@ -49,7 +49,7 @@
 	var/original_name
 	desc = "A large piece of space-resistant printed paper."
 	icon = 'icons/obj/contraband.dmi'
-	anchored = 1
+	anchored = TRUE
 	var/ruined = FALSE
 	var/random_basetype
 	var/never_random = FALSE // used for the 'random' subclasses.

code/game/objects/effects/decals/decal.dm

@@ -1,6 +1,6 @@
 /obj/effect/decal
 	name = "decal"
-	anchored = 1
+	anchored = TRUE
 	resistance_flags = FIRE_PROOF | UNACIDABLE | ACID_PROOF
 
 /obj/effect/decal/ex_act(severity, target)
@@ -19,7 +19,7 @@
 	var/group = TURF_DECAL_PAINT
 	icon = 'icons/turf/decals.dmi'
 	icon_state = "warningline"
-	anchored = 1
+	anchored = TRUE
 
 //in case we need some special decals
 /obj/effect/turf_decal/proc/get_decal()

code/game/objects/effects/decals/misc.dm

@@ -31,4 +31,4 @@
 	desc = "A lightweight support lattice."
 	icon = 'icons/obj/smooth_structures/lattice.dmi'
 	icon_state = "lattice"
-	density = 1
+	density = TRUE

code/game/objects/effects/effect_system/effects_explosion.dm

@@ -2,7 +2,7 @@
 	name = "fire"
 	icon_state = "explosion_particle"
 	opacity = 1
-	anchored = 1
+	anchored = TRUE
 
 /obj/effect/particle_effect/expl_particles/New()
 	..()
@@ -26,7 +26,7 @@
 	icon = 'icons/effects/96x96.dmi'
 	icon_state = "explosion"
 	opacity = 1
-	anchored = 1
+	anchored = TRUE
 	mouse_opacity = 0
 	pixel_x = -32
 	pixel_y = -32

code/game/objects/effects/effect_system/effects_foam.dm

@@ -9,8 +9,8 @@
 	name = "foam"
 	icon_state = "foam"
 	opacity = 0
-	anchored = 1
-	density = 0
+	anchored = TRUE
+	density = FALSE
 	layer = WALL_OBJ_LAYER
 	mouse_opacity = 0
 	var/amount = 3
@@ -194,9 +194,9 @@
 /obj/structure/foamedmetal
 	icon = 'icons/effects/effects.dmi'
 	icon_state = "metalfoam"
-	density = 1
+	density = TRUE
 	opacity = 1 	// changed in New()
-	anchored = 1
+	anchored = TRUE
 	resistance_flags = FIRE_PROOF | ACID_PROOF
 	name = "foamed metal"
 	desc = "A lightweight foamed metal wall."
@@ -210,7 +210,7 @@
 
 
 /obj/structure/foamedmetal/Destroy()
-	density = 0
+	density = FALSE
 	air_update_turf(1)
 	return ..()
 

code/game/objects/effects/effect_system/effects_other.dm

@@ -8,8 +8,8 @@
 
 /datum/effect_system/trail_follow
 	var/turf/oldposition
-	var/processing = 1
-	var/on = 1
+	var/processing = TRUE
+	var/on = TRUE
 
 /datum/effect_system/trail_follow/set_up(atom/atom)
 	attach(atom)
@@ -20,8 +20,8 @@
 	return ..()
 
 /datum/effect_system/trail_follow/proc/stop()
-	processing = 0
-	on = 0
+	processing = FALSE
+	on = FALSE
 	oldposition = null
 
 /datum/effect_system/trail_follow/steam
@@ -29,12 +29,12 @@
 
 /datum/effect_system/trail_follow/steam/start()
 	if(!on)
-		on = 1
-		processing = 1
+		on = TRUE
+		processing = TRUE
 		if(!oldposition)
 			oldposition = get_turf(holder)
 	if(processing)
-		processing = 0
+		processing = FALSE
 		if(number < 3)
 			var/obj/effect/particle_effect/steam/I = new /obj/effect/particle_effect/steam(oldposition)
 			number++
@@ -45,13 +45,13 @@
 				number--
 		spawn(2)
 			if(on)
-				processing = 1
+				processing = TRUE
 				start()
 
 /obj/effect/particle_effect/ion_trails
 	name = "ion trails"
 	icon_state = "ion_trails"
-	anchored = 1
+	anchored = TRUE
 
 /obj/effect/particle_effect/ion_trails/flight
 	icon_state = "ion_trails_flight"
@@ -64,12 +64,12 @@
 
 /datum/effect_system/trail_follow/ion/start() //Whoever is responsible for this abomination of code should become an hero
 	if(!on)
-		on = 1
-		processing = 1
+		on = TRUE
+		processing = TRUE
 		if(!oldposition)
 			oldposition = get_turf(holder)
 	if(processing)
-		processing = 0
+		processing = FALSE
 		var/turf/T = get_turf(holder)
 		if(T != oldposition)
 			if(!T.has_gravity() || !nograv_required)
@@ -83,7 +83,7 @@
 			oldposition = T
 		spawn(2)
 			if(on)
-				processing = 1
+				processing = TRUE
 				start()
 
 /datum/effect_system/trail_follow/ion/proc/set_dir(obj/effect/particle_effect/ion_trails/I)

code/game/objects/effects/effect_system/effects_smoke.dm

@@ -10,7 +10,7 @@
 	pixel_y = -32
 	opacity = 0
 	layer = FLY_LAYER
-	anchored = 1
+	anchored = TRUE
 	mouse_opacity = 0
 	animate_movement = 0
 	var/amount = 4
@@ -176,7 +176,7 @@
 					G.garbage_collect()
 		for(var/obj/machinery/atmospherics/components/unary/U in T)
 			if(!isnull(U.welded) && !U.welded) //must be an unwelded vent pump or vent scrubber.
-				U.welded = 1
+				U.welded = TRUE
 				U.update_icon()
 				U.visible_message("<span class='danger'>[U] was frozen shut!</span>")
 		for(var/mob/living/L in T)

code/game/objects/effects/effect_system/effects_sparks.dm

@@ -19,7 +19,7 @@
 /obj/effect/particle_effect/sparks
 	name = "sparks"
 	icon_state = "sparks"
-	anchored = 1
+	anchored = TRUE
 	light_range = 1
 
 /obj/effect/particle_effect/sparks/New()

code/game/objects/effects/effect_system/effects_water.dm

@@ -43,7 +43,7 @@ steam.start() -- spawns the effect
 /obj/effect/particle_effect/steam
 	name = "steam"
 	icon_state = "extinguish"
-	density = 0
+	density = FALSE
 
 /obj/effect/particle_effect/steam/New()
 	..()

code/game/objects/effects/forcefields.dm

@@ -2,9 +2,9 @@
 	desc = "A space wizard's magic wall."
 	name = "FORCEWALL"
 	icon_state = "m_shield"
-	anchored = 1
+	anchored = TRUE
 	opacity = 0
-	density = 1
+	density = TRUE
 	CanAtmosPass = ATMOS_PASS_DENSITY
 
 /obj/effect/forcefield/cult

code/game/objects/effects/glowshroom.dm

@@ -3,9 +3,9 @@
 /obj/structure/glowshroom
 	name = "glowshroom"
 	desc = "Mycena Bregprox, a species of mushroom that glows in the dark."
-	anchored = 1
+	anchored = TRUE
 	opacity = 0
-	density = 0
+	density = FALSE
 	icon = 'icons/obj/lighting.dmi'
 	icon_state = "glowshroom" //replaced in New
 	layer = ABOVE_NORMAL_TURF_LAYER

code/game/objects/effects/landmarks.dm

@@ -2,7 +2,7 @@
 	name = "landmark"
 	icon = 'icons/mob/screen_gen.dmi'
 	icon_state = "x2"
-	anchored = 1
+	anchored = TRUE
 	invisibility = INVISIBILITY_ABSTRACT
 
 /obj/effect/landmark/New()
@@ -18,7 +18,7 @@
 	name = "start"
 	icon = 'icons/mob/screen_gen.dmi'
 	icon_state = "x"
-	anchored = 1
+	anchored = TRUE
 
 /obj/effect/landmark/start/New()
 	GLOB.start_landmarks_list += src

code/game/objects/effects/mines.dm

@@ -1,8 +1,8 @@
 /obj/effect/mine
 	name = "dummy mine"
 	desc = "Better stay away from that thing."
-	density = 0
-	anchored = 1
+	density = FALSE
+	anchored = TRUE
 	icon = 'icons/obj/weapons.dmi'
 	icon_state = "uglymine"
 	var/triggered = 0
@@ -95,7 +95,7 @@
 	desc = "pick me up"
 	icon = 'icons/effects/effects.dmi'
 	icon_state = "electricity2"
-	density = 0
+	density = FALSE
 	var/duration = 0
 
 /obj/effect/mine/pickup/New()

code/game/objects/effects/misc.dm

@@ -4,8 +4,8 @@
 	desc = "It's a ... present?"
 	icon = 'icons/obj/items.dmi'
 	icon_state = "strangepresent"
-	density = 1
-	anchored = 0
+	density = TRUE
+	anchored = FALSE
 
 /obj/effect/beam
 	name = "beam"

code/game/objects/effects/overlays.dm

@@ -22,17 +22,17 @@
 	name = "Palm tree"
 	icon = 'icons/misc/beach2.dmi'
 	icon_state = "palm1"
-	density = 1
+	density = TRUE
 	layer = WALL_OBJ_LAYER
-	anchored = 1
+	anchored = TRUE
 
 /obj/effect/overlay/palmtree_l
 	name = "Palm tree"
 	icon = 'icons/misc/beach2.dmi'
 	icon_state = "palm2"
-	density = 1
+	density = TRUE
 	layer = WALL_OBJ_LAYER
-	anchored = 1
+	anchored = TRUE
 
 /obj/effect/overlay/coconut
 	name = "Coconuts"

code/game/objects/effects/spiders.dm

@@ -3,8 +3,8 @@
 	name = "web"
 	icon = 'icons/effects/effects.dmi'
 	desc = "it's stringy and sticky"
-	anchored = 1
-	density = 0
+	anchored = TRUE
+	density = FALSE
 	max_integrity = 15
 
 
@@ -80,7 +80,7 @@
 	name = "spiderling"
 	desc = "It never stays still for long."
 	icon_state = "spiderling"
-	anchored = 0
+	anchored = FALSE
 	layer = PROJECTILE_HIT_THRESHHOLD_LAYER
 	max_integrity = 3
 	var/amount_grown = 0

code/game/objects/effects/step_triggers.dm

@@ -5,7 +5,7 @@
 	var/stopper = 1 // stops throwers
 	var/mobs_only = FALSE
 	invisibility = INVISIBILITY_ABSTRACT // nope cant see this shit
-	anchored = 1
+	anchored = TRUE
 
 /obj/effect/step_trigger/proc/Trigger(atom/movable/A)
 	return 0

code/game/objects/effects/temporary_visuals/temporary_visual.dm

@@ -1,7 +1,7 @@
 //temporary visual effects
 /obj/effect/temp_visual
 	icon_state = "nothing"
-	anchored = 1
+	anchored = TRUE
 	layer = ABOVE_MOB_LAYER
 	mouse_opacity = 0
 	var/duration = 10 //in deciseconds

code/game/objects/items.dm

@@ -68,7 +68,7 @@ GLOBAL_VAR_INIT(rpg_loot_items, FALSE)
 	var/list/attack_verb //Used in attackby() to say how something was attacked "[x] has been [z.attack_verb] by [y] with [z]"
 	var/list/species_exception = null	// list() of species types, if a species cannot put items in a certain slot, but species type is in list, it will be able to wear that item
 
-	var/suittoggled = 0
+	var/suittoggled = FALSE
 	var/hooded = 0
 
 	var/mob/thrownby = null

code/game/objects/items/control_wand.dm

@@ -51,9 +51,9 @@
 					D.bolt()
 			if(WAND_EMERGENCY)
 				if(D.emergency)
-					D.emergency = 0
+					D.emergency = FALSE
 				else
-					D.emergency = 1
+					D.emergency = TRUE
 				D.update_icon()
 	else
 		to_chat(user, "<span class='danger'>[src] does not have access to this door.</span>")

code/game/objects/items/crayons.dm

@@ -138,7 +138,7 @@
 			qdel(src)
 		. = TRUE
 
-/obj/item/toy/crayon/ui_interact(mob/user, ui_key = "main", datum/tgui/ui = null, force_open = 0, datum/tgui/master_ui = null, datum/ui_state/state = GLOB.hands_state)
+/obj/item/toy/crayon/ui_interact(mob/user, ui_key = "main", datum/tgui/ui = null, force_open = FALSE, datum/tgui/master_ui = null, datum/ui_state/state = GLOB.hands_state)
 	// tgui is a plague upon this codebase
 
 	SStgui.try_update_ui(user, src, ui_key, ui, force_open)

code/game/objects/items/devices/PDA/radio.dm

@@ -4,7 +4,7 @@
 	icon = 'icons/obj/module.dmi'
 	icon_state = "power_mod"
 
-	var/on = 0 //Are we currently active??
+	var/on = FALSE //Are we currently active??
 	var/menu_message = ""
 
 /obj/item/radio/integrated/Initialize()

code/game/objects/items/devices/aicard.dm

@@ -37,7 +37,7 @@
 		name = initial(name)
 		icon_state = initial(icon_state)
 
-/obj/item/device/aicard/ui_interact(mob/user, ui_key = "main", datum/tgui/ui = null, force_open = 0, \
+/obj/item/device/aicard/ui_interact(mob/user, ui_key = "main", datum/tgui/ui = null, force_open = FALSE, \
 									datum/tgui/master_ui = null, datum/ui_state/state = GLOB.hands_state)
 	ui = SStgui.try_update_ui(user, src, ui_key, ui, force_open)
 	if(!ui)

code/game/objects/items/devices/chameleonproj.dm

@@ -89,7 +89,7 @@
 /obj/effect/dummy/chameleon
 	name = ""
 	desc = ""
-	density = 0
+	density = FALSE
 	var/can_move = 0
 	var/obj/item/device/chameleon/master = null
 

code/game/objects/items/devices/flashlight.dm

@@ -9,7 +9,7 @@
 	slot_flags = SLOT_BELT
 	materials = list(MAT_METAL=50, MAT_GLASS=20)
 	actions_types = list(/datum/action/item_action/toggle_light)
-	var/on = 0
+	var/on = FALSE
 	var/brightness_on = 4 //range of light when on
 	var/flashlight_power = 1 //strength of the light when on
 
@@ -208,7 +208,7 @@
 	w_class = WEIGHT_CLASS_BULKY
 	flags = CONDUCT
 	materials = list()
-	on = 1
+	on = TRUE
 
 
 // green-shaded desk lamp
@@ -271,7 +271,7 @@
 		. = ""
 
 /obj/item/device/flashlight/flare/proc/turn_off()
-	on = 0
+	on = FALSE
 	force = initial(src.force)
 	damtype = initial(src.damtype)
 	if(ismob(loc))
@@ -415,7 +415,7 @@
 		update_icon()
 
 /obj/item/device/flashlight/glowstick/proc/turn_off()
-	on = 0
+	on = FALSE
 	update_icon()
 
 /obj/item/device/flashlight/glowstick/update_icon()

code/game/objects/items/devices/geiger_counter.dm

@@ -14,7 +14,7 @@
 	materials = list(MAT_METAL = 150, MAT_GLASS = 150)
 	var/scanning = 0
 	var/radiation_count = 0
-	var/emagged = 0
+	var/emagged = FALSE
 
 /obj/item/device/geiger_counter/New()
 	..()
@@ -126,7 +126,7 @@
 			return 0
 		user.visible_message("<span class='notice'>[user] refastens [src]'s maintenance panel!</span>", "<span class='notice'>You reset [src] to its factory settings!</span>")
 		playsound(user, 'sound/items/screwdriver2.ogg', 50, 1)
-		emagged = 0
+		emagged = FALSE
 		radiation_count = 0
 		update_icon()
 		return 1
@@ -149,7 +149,7 @@
 			to_chat(user, "<span class='warning'>Turn off [src] before you perform this action!</span>")
 			return 0
 		to_chat(user, "<span class='warning'>You override [src]'s radiation storing protocols. It will now generate small doses of radiation, and stored rads are now projected into creatures you scan.</span>")
-		emagged = 1
+		emagged = TRUE
 
 #undef RAD_LEVEL_NORMAL
 #undef RAD_LEVEL_MODERATE

code/game/objects/items/devices/gps.dm

@@ -57,7 +57,7 @@ GLOBAL_LIST_EMPTY(GPS_list)
 		tracking = TRUE
 
 
-/obj/item/device/gps/ui_interact(mob/user, ui_key = "gps", datum/tgui/ui = null, force_open = 0, datum/tgui/master_ui = null, datum/ui_state/state = GLOB.default_state) // Remember to use the appropriate state.
+/obj/item/device/gps/ui_interact(mob/user, ui_key = "gps", datum/tgui/ui = null, force_open = FALSE, datum/tgui/master_ui = null, datum/ui_state/state = GLOB.default_state) // Remember to use the appropriate state.
 	if(emped)
 		to_chat(user, "[src] fizzles weakly.")
 		return

code/game/objects/items/devices/laserpointer.dm

@@ -15,7 +15,7 @@
 	var/max_energy = 5
 	var/effectchance = 33
 	var/recharging = 0
-	var/recharge_locked = 0
+	var/recharge_locked = FALSE
 	var/obj/item/weapon/stock_parts/micro_laser/diode //used for upgrading!
 
 
@@ -150,7 +150,7 @@
 			START_PROCESSING(SSobj, src)
 		if(energy <= 0)
 			to_chat(user, "<span class='warning'>[src]'s battery is overused, it needs time to recharge!</span>")
-			recharge_locked = 1
+			recharge_locked = TRUE
 
 	flick_overlay_view(I, targloc, 10)
 	icon_state = "pointer"
@@ -161,5 +161,5 @@
 		if(energy >= max_energy)
 			energy = max_energy
 			recharging = 0
-			recharge_locked = 0
+			recharge_locked = FALSE
 			..()

code/game/objects/items/devices/lightreplacer.dm

@@ -53,7 +53,7 @@
 
 	var/max_uses = 20
 	var/uses = 0
-	var/emagged = 0
+	var/emagged = FALSE
 	var/failmsg = ""
 	// How much to increase per each glass?
 	var/increment = 5

code/game/objects/items/devices/megaphone.dm

@@ -6,7 +6,7 @@
 	w_class = WEIGHT_CLASS_SMALL
 	siemens_coefficient = 1
 	var/spamcheck = 0
-	var/emagged = 0
+	var/emagged = FALSE
 	var/list/voicespan = list(SPAN_COMMAND)
 
 /obj/item/device/megaphone/get_held_item_speechspans(mob/living/carbon/user)
@@ -19,7 +19,7 @@
 
 /obj/item/device/megaphone/emag_act(mob/user)
 	to_chat(user, "<span class='warning'>You overload \the [src]'s voice synthesizer.</span>")
-	emagged = 1
+	emagged = TRUE
 	voicespan = list(SPAN_REALLYBIG, "userdanger")
 
 /obj/item/device/megaphone/sec

code/game/objects/items/devices/powersink.dm

@@ -16,7 +16,7 @@
 	var/power_drained = 0 		// has drained this much power
 	var/max_power = 1e10		// maximum power that can be drained before exploding
 	var/mode = 0		// 0 = off, 1=clamped (off), 2=operating
-	var/admins_warned = 0 // stop spam, only warn the admins once that we are about to boom
+	var/admins_warned = FALSE // stop spam, only warn the admins once that we are about to boom
 
 	var/const/DISCONNECTED = 0
 	var/const/CLAMPED_OFF = 1
@@ -35,20 +35,20 @@
 			attached = null
 			if(mode == OPERATING)
 				STOP_PROCESSING(SSobj, src)
-			anchored = 0
+			anchored = FALSE
 
 		if(CLAMPED_OFF)
 			if(!attached)
 				return
 			if(mode == OPERATING)
 				STOP_PROCESSING(SSobj, src)
-			anchored = 1
+			anchored = TRUE
 
 		if(OPERATING)
 			if(!attached)
 				return
 			START_PROCESSING(SSobj, src)
-			anchored = 1
+			anchored = TRUE
 
 	mode = value
 	update_icon()
@@ -135,7 +135,7 @@
 
 	if(power_drained > max_power * 0.98)
 		if (!admins_warned)
-			admins_warned = 1
+			admins_warned = TRUE
 			message_admins("Power sink at ([x],[y],[z] - <A HREF='?_src_=holder;adminplayerobservecoodjump=1;X=[x];Y=[y];Z=[z]'>JMP</a>) is 95% full. Explosion imminent.")
 		playsound(src, 'sound/effects/screech.ogg', 100, 1, 1)
 

code/game/objects/items/devices/radio/electropack.dm

@@ -8,7 +8,7 @@
 	slot_flags = SLOT_BACK
 	w_class = WEIGHT_CLASS_HUGE
 	materials = list(MAT_METAL=10000, MAT_GLASS=2500)
-	var/on = 1
+	var/on = TRUE
 	var/code = 2
 	var/frequency = 1449
 	var/shock_cooldown = 0

code/game/objects/items/devices/radio/intercom.dm

@@ -2,7 +2,7 @@
 	name = "station intercom"
 	desc = "Talk through this."
 	icon_state = "intercom"
-	anchored = 1
+	anchored = TRUE
 	w_class = WEIGHT_CLASS_BULKY
 	canhear_range = 2
 	var/number = 0
@@ -107,7 +107,7 @@
 
 		var/area/A = get_area(src)
 		if(!A || emped)
-			on = 0
+			on = FALSE
 		else
 			on = A.powered(EQUIP) // set "on" to the power status
 

code/game/objects/items/devices/radio/radio.dm

@@ -5,7 +5,7 @@
 	icon_state = "walkietalkie"
 	item_state = "walkietalkie"
 	dog_fashion = /datum/dog_fashion/back
-	var/on = 1 // 0 for off
+	var/on = TRUE // 0 for off
 	var/last_transmission
 	var/frequency = 1459 //common chat
 	var/traitor_frequency = 0 //tune to frequency to unlock traitor supplies
@@ -104,7 +104,7 @@
 	else
 		ui_interact(user)
 
-/obj/item/device/radio/ui_interact(mob/user, ui_key = "main", datum/tgui/ui = null, force_open = 0, \
+/obj/item/device/radio/ui_interact(mob/user, ui_key = "main", datum/tgui/ui = null, force_open = FALSE, \
 										datum/tgui/master_ui = null, datum/ui_state/state = GLOB.inventory_state)
 	ui = SStgui.try_update_ui(user, src, ui_key, ui, force_open)
 	if(!ui)
@@ -530,12 +530,12 @@
 	listening = 0
 	for (var/ch_name in channels)
 		channels[ch_name] = 0
-	on = 0
+	on = FALSE
 	spawn(200)
 		if(emped == curremp) //Don't fix it if it's been EMP'd again
 			emped = 0
 			if (!istype(src, /obj/item/device/radio/intercom)) // intercoms will turn back on on their own
-				on = 1
+				on = TRUE
 	..()
 
 ///////////////////////////////

code/game/objects/items/devices/scanners.dm

@@ -12,7 +12,7 @@ MASS SPECTROMETER
 	name = "\improper T-ray scanner"
 	desc = "A terahertz-ray emitter and scanner used to detect underfloor objects such as cables and pipes."
 	icon_state = "t-ray0"
-	var/on = 0
+	var/on = FALSE
 	slot_flags = SLOT_BELT
 	w_class = WEIGHT_CLASS_SMALL
 	item_state = "electronic"

code/game/objects/items/devices/traitordevices.dm

@@ -171,7 +171,7 @@ effective or pretty fucking useless.
 	var/mob/living/carbon/human/user = null
 	var/charge = 300
 	var/max_charge = 300
-	var/on = 0
+	var/on = FALSE
 	var/old_alpha = 0
 	actions_types = list(/datum/action/item_action/toggle)
 
@@ -194,14 +194,14 @@ effective or pretty fucking useless.
 	src.user = user
 	START_PROCESSING(SSobj, src)
 	old_alpha = user.alpha
-	on = 1
+	on = TRUE
 
 /obj/item/device/shadowcloak/proc/Deactivate()
 	to_chat(user, "<span class='notice'>You deactivate [src].</span>")
 	STOP_PROCESSING(SSobj, src)
 	if(user)
 		user.alpha = old_alpha
-	on = 0
+	on = FALSE
 	user = null
 
 /obj/item/device/shadowcloak/dropped(mob/user)

code/game/objects/items/devices/transfer_valve.dm

@@ -8,7 +8,7 @@
 	var/obj/item/weapon/tank/tank_two
 	var/obj/item/device/attached_device
 	var/mob/attacher = null
-	var/valve_open = 0
+	var/valve_open = FALSE
 	var/toggle = 1
 	origin_tech = "materials=1;engineering=1"
 
@@ -79,7 +79,7 @@
 	if (src.loc == usr)
 		if(tank_one && href_list["tankone"])
 			split_gases()
-			valve_open = 0
+			valve_open = FALSE
 			tank_one.loc = get_turf(src)
 			tank_one = null
 			update_icon()
@@ -87,7 +87,7 @@
 				w_class = WEIGHT_CLASS_NORMAL
 		else if(tank_two && href_list["tanktwo"])
 			split_gases()
-			valve_open = 0
+			valve_open = FALSE
 			tank_two.loc = get_turf(src)
 			tank_two = null
 			update_icon()
@@ -156,7 +156,7 @@
 
 /obj/item/device/transfer_valve/proc/toggle_valve()
 	if(!valve_open && tank_one && tank_two)
-		valve_open = 1
+		valve_open = TRUE
 		var/turf/bombturf = get_turf(src)
 		var/area/A = get_area(bombturf)
 
@@ -202,7 +202,7 @@
 
 	else if(valve_open && tank_one && tank_two)
 		split_gases()
-		valve_open = 0
+		valve_open = FALSE
 		src.update_icon()
 
 // this doesn't do anything but the timer etc. expects it to be here

code/game/objects/items/robot/robot_parts.dm

@@ -20,7 +20,7 @@
 	var/locomotion = 1
 	var/lawsync = 1
 	var/aisync = 1
-	var/panel_locked = 1
+	var/panel_locked = TRUE
 
 /obj/item/robot_suit/New()
 	..()

code/game/objects/items/robot/robot_upgrades.dm

@@ -7,7 +7,7 @@
 	icon = 'icons/obj/module.dmi'
 	icon_state = "cyborg_upgrade"
 	origin_tech = "programming=2"
-	var/locked = 0
+	var/locked = FALSE
 	var/installed = 0
 	var/require_module = 0
 	var/module_type = null
@@ -211,7 +211,7 @@
 	var/repair_amount = -1
 	var/repair_tick = 1
 	var/msg_cooldown = 0
-	var/on = 0
+	var/on = FALSE
 	var/powercost = 10
 	var/mob/living/silicon/robot/cyborg
 	var/datum/action/toggle_action

code/game/objects/items/shooting_range.dm

@@ -3,7 +3,7 @@
 	desc = "A shooting target."
 	icon = 'icons/obj/objects.dmi'
 	icon_state = "target_h"
-	density = 0
+	density = FALSE
 	var/hp = 1800
 	var/obj/structure/target_stake/pinnedLoc
 
@@ -15,7 +15,7 @@
 
 /obj/item/target/proc/nullPinnedLoc()
 	pinnedLoc = null
-	density = 0
+	density = FALSE
 
 /obj/item/target/proc/removeOverlays()
 	cut_overlays()

code/game/objects/items/toys.dm

@@ -215,7 +215,7 @@
 	var/active = 0
 	w_class = WEIGHT_CLASS_SMALL
 	attack_verb = list("attacked", "struck", "hit")
-	var/hacked = 0
+	var/hacked = FALSE
 
 /obj/item/toy/sword/attack_self(mob/user)
 	active = !( active )
@@ -247,13 +247,13 @@
 			to_chat(user, "<span class='notice'>You attach the ends of the two plastic swords, making a single double-bladed toy! You're fake-cool.</span>")
 			var/obj/item/weapon/twohanded/dualsaber/toy/newSaber = new /obj/item/weapon/twohanded/dualsaber/toy(user.loc)
 			if(hacked) // That's right, we'll only check the "original" "sword".
-				newSaber.hacked = 1
+				newSaber.hacked = TRUE
 				newSaber.item_color = "rainbow"
 			qdel(W)
 			qdel(src)
 	else if(istype(W, /obj/item/device/multitool))
-		if(hacked == 0)
-			hacked = 1
+		if(!hacked)
+			hacked = TRUE
 			item_color = "rainbow"
 			to_chat(user, "<span class='warning'>RNBW_ENGAGE</span>")
 

code/game/objects/items/weapons/RCD.dm

@@ -10,8 +10,8 @@ ARCD
 
 obj/item/weapon/construction
 	opacity = 0
-	density = 0
-	anchored = 0
+	density = FALSE
+	anchored = FALSE
 	flags = CONDUCT | NOBLUDGEON
 	force = 0
 	throwforce = 10

code/game/objects/items/weapons/RSF.dm

@@ -9,8 +9,8 @@ RSF
 	icon = 'icons/obj/tools.dmi'
 	icon_state = "rcd"
 	opacity = 0
-	density = 0
-	anchored = 0
+	density = FALSE
+	anchored = FALSE
 	flags = NOBLUDGEON
 	armor = list(melee = 0, bullet = 0, laser = 0, energy = 0, bomb = 0, bio = 0, rad = 0, fire = 0, acid = 0)
 	var/matter = 0
@@ -119,7 +119,7 @@ RSF
 	var/toxin = 0
 	var/cooldown = 0
 	var/cooldowndelay = 10
-	var/emagged = 0
+	var/emagged = FALSE
 	w_class = WEIGHT_CLASS_NORMAL
 
 /obj/item/weapon/cookiesynth/examine(mob/user)

code/game/objects/items/weapons/chrono_eraser.dm

@@ -149,8 +149,8 @@
 	desc = "An aura of time-bluespace energy."
 	icon = 'icons/effects/effects.dmi'
 	icon_state = "chronofield"
-	density = 0
-	anchored = 1
+	density = FALSE
+	anchored = TRUE
 	blend_mode = BLEND_MULTIPLY
 	var/mob/living/captured = null
 	var/obj/item/weapon/gun/energy/chrono_gun/gun = null

code/game/objects/items/weapons/cigs_lighters.dm

@@ -630,7 +630,7 @@ CIGARETTE PACKETS ARE IN FANCY.DM
 	var/vapetime = 0 //this so it won't puff out clouds every tick
 	var/screw = 0 // kinky
 	var/super = 0 //for the fattest vapes dude.
-	var/emagged = 0 //LET THE GRIEF BEGIN
+	var/emagged = FALSE //LET THE GRIEF BEGIN
 
 /obj/item/clothing/mask/vape/suicide_act(mob/user)
 	user.visible_message("<span class='suicide'>[user] is puffin hard on dat vape, [user.p_they()] trying to join the vape life on a whole notha plane!")//it doesn't give you cancer, it is cancer
@@ -693,7 +693,7 @@ CIGARETTE PACKETS ARE IN FANCY.DM
 	if(screw)
 		if(!emagged)
 			cut_overlays()
-			emagged = 1
+			emagged = TRUE
 			super = 0
 			to_chat(user, "<span class='warning'>You maximize the voltage in the [src]</span>")
 			add_overlay("vapeopen_high")

code/game/objects/items/weapons/cosmetics.dm

@@ -6,7 +6,7 @@
 	icon_state = "lipstick"
 	w_class = WEIGHT_CLASS_TINY
 	var/colour = "red"
-	var/open = 0
+	var/open = FALSE
 
 
 /obj/item/weapon/lipstick/purple

code/game/objects/items/weapons/defib.dm

@@ -15,7 +15,7 @@
 	actions_types = list(/datum/action/item_action/toggle_paddles)
 	armor = list(melee = 0, bullet = 0, laser = 0, energy = 0, bomb = 0, bio = 0, rad = 0, fire = 50, acid = 50)
 
-	var/on = 0 //if the paddles are equipped (1) or on the defib (0)
+	var/on = FALSE //if the paddles are equipped (1) or on the defib (0)
 	var/safety = 1 //if you can zap people with the defibs on harm mode
 	var/powered = 0 //if there's a cell in the defib with enough power for a revive, blocks paddles from reviving otherwise
 	var/obj/item/weapon/twohanded/shockpaddles/paddles
@@ -161,7 +161,7 @@
 	if(on)
 		//Detach the paddles into the user's hands
 		if(!usr.put_in_hands(paddles))
-			on = 0
+			on = FALSE
 			to_chat(user, "<span class='warning'>You need a free hand to hold the paddles!</span>")
 			update_icon()
 			return
@@ -279,7 +279,7 @@
 
 	var/revivecost = 1000
 	var/cooldown = 0
-	var/busy = 0
+	var/busy = FALSE
 	var/obj/item/weapon/defibrillator/defib
 	var/req_defib = 1
 	var/combat = 0 //If it penetrates armor and gives additional functionality
@@ -302,7 +302,7 @@
 	if(check_defib_exists(mainunit, src) && req_defib)
 		defib = mainunit
 		loc = defib
-		busy = 0
+		busy = FALSE
 		update_icon()
 
 /obj/item/weapon/twohanded/shockpaddles/update_icon()
@@ -396,7 +396,7 @@
 		return
 	if(!req_defib && !combat)
 		return
-	busy = 1
+	busy = TRUE
 	M.visible_message("<span class='danger'>[user] has touched [M] with [src]!</span>", \
 			"<span class='userdanger'>[user] has touched [M] with [src]!</span>")
 	M.adjustStaminaLoss(50)
@@ -408,7 +408,7 @@
 	if(req_defib)
 		defib.deductcharge(revivecost)
 		cooldown = 1
-	busy = 0
+	busy = FALSE
 	update_icon()
 	if(req_defib)
 		defib.cooldowncheck(user)
@@ -422,7 +422,7 @@
 		return
 	user.visible_message("<span class='warning'>[user] begins to place [src] on [H]'s chest.</span>",
 		"<span class='warning'>You overcharge the paddles and begin to place them onto [H]'s chest...</span>")
-	busy = 1
+	busy = TRUE
 	update_icon()
 	if(do_after(user, 30, target = H))
 		user.visible_message("<span class='notice'>[user] places [src] on [H]'s chest.</span>",
@@ -435,13 +435,13 @@
 			user.audible_message("<span class='warning'>[src] let out an urgent beep.</span>")
 		if(do_after(user, 30, target = H)) //Takes longer due to overcharging
 			if(!H)
-				busy = 0
+				busy = FALSE
 				update_icon()
 				return
 			if(H && H.stat == DEAD)
 				to_chat(user, "<span class='warning'>[H] is dead.</span>")
 				playsound(get_turf(src), 'sound/machines/defib_failed.ogg', 50, 0)
-				busy = 0
+				busy = FALSE
 				update_icon()
 				return
 			user.visible_message("<span class='boldannounce'><i>[user] shocks [H] with \the [src]!</span>", "<span class='warning'>You shock [H] with \the [src]!</span>")
@@ -460,18 +460,18 @@
 			if(req_defib)
 				defib.deductcharge(revivecost)
 				cooldown = 1
-			busy = 0
+			busy = FALSE
 			update_icon()
 			if(!req_defib)
 				recharge(60)
 			if(req_defib && (defib.cooldowncheck(user)))
 				return
-	busy = 0
+	busy = FALSE
 	update_icon()
 
 /obj/item/weapon/twohanded/shockpaddles/proc/do_help(mob/living/carbon/human/H, mob/living/user)
 	user.visible_message("<span class='warning'>[user] begins to place [src] on [H]'s chest.</span>", "<span class='warning'>You begin to place [src] on [H]'s chest...</span>")
-	busy = 1
+	busy = TRUE
 	update_icon()
 	if(do_after(user, 30, target = H)) //beginning to place the paddles on patient's chest to allow some time for people to move away to stop the process
 		user.visible_message("<span class='notice'>[user] places [src] on [H]'s chest.</span>", "<span class='warning'>You place [src] on [H]'s chest.</span>")
@@ -491,7 +491,7 @@
 					if((!src.combat && !req_defib) || (req_defib && !defib.combat))
 						user.audible_message("<span class='warning'>[req_defib ? "[defib]" : "[src]"] buzzes: Patient's chest is obscured. Operation aborted.</span>")
 						playsound(get_turf(src), 'sound/machines/defib_failed.ogg', 50, 0)
-						busy = 0
+						busy = FALSE
 						update_icon()
 						return
 			if(H.stat == DEAD)
@@ -563,7 +563,7 @@
 			else
 				user.visible_message("<span class='warning'>[req_defib ? "[defib]" : "[src]"] buzzes: Patient is not in a valid state. Operation aborted.</span>")
 				playsound(get_turf(src), 'sound/machines/defib_failed.ogg', 50, 0)
-	busy = 0
+	busy = FALSE
 	update_icon()
 
 /obj/item/weapon/twohanded/shockpaddles/cyborg

code/game/objects/items/weapons/flamethrower.dm

@@ -13,13 +13,13 @@
 	materials = list(MAT_METAL=500)
 	origin_tech = "combat=1;plasmatech=2;engineering=2"
 	resistance_flags = FIRE_PROOF
-	var/status = 0
-	var/lit = 0	//on or off
-	var/operating = 0//cooldown
+	var/status = FALSE
+	var/lit = FALSE	//on or off
+	var/operating = FALSE//cooldown
 	var/obj/item/weapon/weldingtool/weldtool = null
 	var/obj/item/device/assembly/igniter/igniter = null
 	var/obj/item/weapon/tank/internals/plasma/ptank = null
-	var/warned_admins = 0 //for the message_admins() when lit
+	var/warned_admins = FALSE //for the message_admins() when lit
 	//variables for prebuilt flamethrowers
 	var/create_full = FALSE
 	var/create_with_tank = FALSE
@@ -161,7 +161,7 @@
 		START_PROCESSING(SSobj, src)
 		if(!warned_admins)
 			message_admins("[ADMIN_LOOKUPFLW(user)] has lit a flamethrower.")
-			warned_admins = 1
+			warned_admins = TRUE
 	else
 		STOP_PROCESSING(SSobj,src)
 	update_icon()
@@ -170,16 +170,16 @@
 	..()
 	weldtool = locate(/obj/item/weapon/weldingtool) in contents
 	igniter = locate(/obj/item/device/assembly/igniter) in contents
-	weldtool.status = 0
-	igniter.secured = 0
-	status = 1
+	weldtool.status = FALSE
+	igniter.secured = FALSE
+	status = TRUE
 	update_icon()
 
 //Called from turf.dm turf/dblclick
 /obj/item/weapon/flamethrower/proc/flame_turf(turflist)
 	if(!lit || operating)
 		return
-	operating = 1
+	operating = TRUE
 	var/turf/previousturf = get_turf(src)
 	for(var/turf/T in turflist)
 		if(T == previousturf)
@@ -193,7 +193,7 @@
 			default_ignite(T)
 		sleep(1)
 		previousturf = T
-	operating = 0
+	operating = FALSE
 	for(var/mob/M in viewers(1, loc))
 		if((M.client && M.machine == src))
 			attack_self(M)
@@ -217,11 +217,11 @@
 	if(create_full)
 		if(!weldtool)
 			weldtool = new /obj/item/weapon/weldingtool(src)
-		weldtool.status = 0
+		weldtool.status = FALSE
 		if(!igniter)
 			igniter = new igniter_type(src)
-		igniter.secured = 0
-		status = 1
+		igniter.secured = FALSE
+		status = TRUE
 		if(create_with_tank)
 			ptank = new /obj/item/weapon/tank/internals/plasma/full(src)
 		update_icon()

code/game/objects/items/weapons/holosign_creator.dm

@@ -15,7 +15,7 @@
 	var/max_signs = 10
 	var/creation_time = 0 //time to create a holosign in deciseconds.
 	var/holosign_type = /obj/structure/holosign/wetsign
-	var/holocreator_busy = 0 //to prevent placing multiple holo barriers at once
+	var/holocreator_busy = FALSE //to prevent placing multiple holo barriers at once
 
 /obj/item/weapon/holosign_creator/afterattack(atom/target, mob/user, flag)
 	if(flag)
@@ -34,11 +34,11 @@
 				if(signs.len < max_signs)
 					playsound(src.loc, 'sound/machines/click.ogg', 20, 1)
 					if(creation_time)
-						holocreator_busy = 1
+						holocreator_busy = TRUE
 						if(!do_after(user, creation_time, target = target))
-							holocreator_busy = 0
+							holocreator_busy = FALSE
 							return
-						holocreator_busy = 0
+						holocreator_busy = FALSE
 						if(signs.len >= max_signs)
 							return
 						if(is_blocked_turf(T, TRUE)) //don't try to sneak dense stuff on our tile during the wait.

code/game/objects/items/weapons/implants/implantchair.dm

@@ -3,7 +3,7 @@
 	desc = "Used to implant occupants with mindshield implants."
 	icon = 'icons/obj/machines/implantchair.dmi'
 	icon_state = "implantchair"
-	density = 1
+	density = TRUE
 	opacity = 0
 	anchored = TRUE
 
@@ -26,7 +26,7 @@
 	update_icon()
 
 
-/obj/machinery/implantchair/ui_interact(mob/user, ui_key = "main", datum/tgui/ui = null, force_open = 0, \
+/obj/machinery/implantchair/ui_interact(mob/user, ui_key = "main", datum/tgui/ui = null, force_open = FALSE, \
 									datum/tgui/master_ui = null, datum/ui_state/state = GLOB.notcontained_state)
 
 	ui = SStgui.try_update_ui(user, src, ui_key, ui, force_open)

code/game/objects/items/weapons/melee/energy.dm

@@ -80,7 +80,7 @@
 	origin_tech = "combat=3;magnets=4;syndicate=4"
 	block_chance = 50
 	possible_colors = list("red", "blue", "green", "purple")
-	var/hacked = 0
+	var/hacked = FALSE
 
 /obj/item/weapon/melee/energy/sword/Destroy()
 	STOP_PROCESSING(SSobj, src)

code/game/objects/items/weapons/melee/misc.dm

@@ -87,7 +87,7 @@
 	force = 12 //9 hit crit
 	w_class = WEIGHT_CLASS_NORMAL
 	var/cooldown = 0
-	var/on = 1
+	var/on = TRUE
 
 /obj/item/weapon/melee/classic_baton/attack(mob/living/target, mob/living/user)
 	if(!on)
@@ -143,7 +143,7 @@
 	w_class = WEIGHT_CLASS_SMALL
 	needs_permit = 0
 	force = 0
-	on = 0
+	on = FALSE
 
 /obj/item/weapon/melee/classic_baton/telescopic/suicide_act(mob/user)
 	var/mob/living/carbon/human/H = user

code/game/objects/items/weapons/storage/backpack.dm

@@ -278,11 +278,11 @@
 /obj/item/weapon/storage/backpack/satchel/flat/hide(var/intact)
 	if(intact)
 		invisibility = INVISIBILITY_MAXIMUM
-		anchored = 1 //otherwise you can start pulling, cover it, and drag around an invisible backpack.
+		anchored = TRUE //otherwise you can start pulling, cover it, and drag around an invisible backpack.
 		icon_state = "[initial(icon_state)]2"
 	else
 		invisibility = initial(invisibility)
-		anchored = 0
+		anchored = FALSE
 		icon_state = initial(icon_state)
 
 /obj/item/weapon/storage/backpack/satchel/flat/Initialize(mapload)

code/game/objects/items/weapons/storage/secure.dm

@@ -15,13 +15,13 @@
 	var/icon_locking = "secureb"
 	var/icon_sparking = "securespark"
 	var/icon_opened = "secure0"
-	var/locked = 1
+	var/locked = TRUE
 	var/code = ""
 	var/l_code = null
 	var/l_set = 0
 	var/l_setshort = 0
 	var/l_hacking = 0
-	var/open = 0
+	var/open = FALSE
 	w_class = WEIGHT_CLASS_NORMAL
 	max_w_class = WEIGHT_CLASS_SMALL
 	max_combined_w_class = 14
@@ -92,7 +92,7 @@
 				src.l_code = src.code
 				src.l_set = 1
 			else if ((src.code == src.l_code) && (src.l_set == 1))
-				src.locked = 0
+				src.locked = FALSE
 				cut_overlays()
 				add_overlay(icon_opened)
 				src.code = null
@@ -100,7 +100,7 @@
 				src.code = "ERROR"
 		else
 			if ((href_list["type"] == "R") && (!src.l_setshort))
-				src.locked = 1
+				src.locked = TRUE
 				cut_overlays()
 				src.code = null
 				src.close(usr)
@@ -180,8 +180,8 @@
 	force = 8
 	w_class = WEIGHT_CLASS_GIGANTIC
 	max_w_class = 8
-	anchored = 1
-	density = 0
+	anchored = TRUE
+	density = FALSE
 	cant_hold = list(/obj/item/weapon/storage/secure/briefcase)
 
 /obj/item/weapon/storage/secure/safe/PopulateContents()

code/game/objects/items/weapons/tanks/tanks.dm

@@ -142,7 +142,7 @@
 	else
 		. = ..()
 
-/obj/item/weapon/tank/ui_interact(mob/user, ui_key = "main", datum/tgui/ui = null, force_open = 0, \
+/obj/item/weapon/tank/ui_interact(mob/user, ui_key = "main", datum/tgui/ui = null, force_open = FALSE, \
 									datum/tgui/master_ui = null, datum/ui_state/state = GLOB.hands_state)
 	ui = SStgui.try_update_ui(user, src, ui_key, ui, force_open)
 	if(!ui)

code/game/objects/items/weapons/tanks/watertank.dm

@@ -14,7 +14,7 @@
 	resistance_flags = FIRE_PROOF
 
 	var/obj/item/weapon/noz
-	var/on = 0
+	var/on = FALSE
 	var/volume = 500
 
 /obj/item/weapon/watertank/New()
@@ -46,7 +46,7 @@
 
 		//Detach the nozzle into the user's hands
 		if(!user.put_in_hands(noz))
-			on = 0
+			on = FALSE
 			to_chat(user, "<span class='warning'>You need a free hand to hold the mister!</span>")
 			return
 		noz.loc = user
@@ -337,7 +337,7 @@
 	slowdown = 1
 	actions_types = list(/datum/action/item_action/activate_injector)
 
-	var/on = 0
+	var/on = FALSE
 	volume = 300
 	var/usage_ratio = 5 //5 unit added per 1 removed
 	var/injection_amount = 1
@@ -403,13 +403,13 @@
 		. += filling
 
 /obj/item/weapon/reagent_containers/chemtank/proc/turn_on()
-	on = 1
+	on = TRUE
 	START_PROCESSING(SSobj, src)
 	if(ismob(loc))
 		to_chat(loc, "<span class='notice'>[src] turns on.</span>")
 
 /obj/item/weapon/reagent_containers/chemtank/proc/turn_off()
-	on = 0
+	on = FALSE
 	STOP_PROCESSING(SSobj, src)
 	if(ismob(loc))
 		to_chat(loc, "<span class='notice'>[src] turns off.</span>")

code/game/objects/items/weapons/tools.dm

@@ -335,7 +335,7 @@
 	materials = list(MAT_METAL=70, MAT_GLASS=30)
 	origin_tech = "engineering=1;plasmatech=1"
 	var/welding = 0 	//Whether or not the welding tool is off(0), on(1) or currently welding(2)
-	var/status = 1 		//Whether the welder is secured or unsecured (able to attach rods to it to make a flamethrower)
+	var/status = TRUE 		//Whether the welder is secured or unsecured (able to attach rods to it to make a flamethrower)
 	var/max_fuel = 20 	//The max amount of fuel the welder can hold
 	var/change_icons = 1
 	var/can_off_process = 0

code/game/objects/items/weapons/twohanded.dm

@@ -260,7 +260,7 @@
 	max_integrity = 200
 	armor = list(melee = 0, bullet = 0, laser = 0, energy = 0, bomb = 0, bio = 0, rad = 0, fire = 100, acid = 70)
 	resistance_flags = FIRE_PROOF
-	var/hacked = 0
+	var/hacked = FALSE
 	var/brightness_on = 6 //TWICE AS BRIGHT AS A REGULAR ESWORD
 	var/list/possible_colors = list("red", "blue", "green", "purple")
 
@@ -388,8 +388,8 @@
 
 /obj/item/weapon/twohanded/dualsaber/attackby(obj/item/weapon/W, mob/user, params)
 	if(istype(W, /obj/item/device/multitool))
-		if(hacked == 0)
-			hacked = 1
+		if(!hacked)
+			hacked = TRUE
 			to_chat(user, "<span class='warning'>2XRNBW_ENGAGE</span>")
 			item_color = "rainbow"
 			update_icon()
@@ -490,7 +490,7 @@
 	hitsound = "swing_hit"
 	sharpness = IS_SHARP
 	actions_types = list(/datum/action/item_action/startchainsaw)
-	var/on = 0
+	var/on = FALSE
 
 /obj/item/weapon/twohanded/required/chainsaw/attack_self(mob/user)
 	on = !on

code/game/objects/obj_defense.dm

@@ -214,13 +214,13 @@ GLOBAL_DATUM_INIT(acid_overlay, /mutable_appearance, mutable_appearance('icons/e
 
 
 /obj/proc/tesla_act(var/power)
-	being_shocked = 1
+	being_shocked = TRUE
 	var/power_bounced = power / 2
 	tesla_zap(src, 3, power_bounced)
 	addtimer(CALLBACK(src, .proc/reset_shocked), 10)
 
 /obj/proc/reset_shocked()
-	being_shocked = 0
+	being_shocked = FALSE
 
 //the obj is deconstructed into pieces, whether through careful disassembly or when destroyed.
 /obj/proc/deconstruct(disassembled = TRUE)

code/game/objects/structures.dm

@@ -63,9 +63,9 @@
 
 /obj/structure/proc/do_climb(atom/movable/A)
 	if(climbable)
-		density = 0
+		density = FALSE
 		. = step(A,get_dir(A,src.loc))
-		density = 1
+		density = TRUE
 
 /obj/structure/proc/climb_structure(mob/living/user)
 	src.add_fingerprint(user)

code/game/objects/structures/ai_core.dm

@@ -1,6 +1,6 @@
 /obj/structure/AIcore
-	density = 1
-	anchored = 0
+	density = TRUE
+	anchored = FALSE
 	name = "\improper AI core"
 	icon = 'icons/mob/ai.dmi'
 	icon_state = "0"
@@ -231,7 +231,7 @@
 /obj/structure/AIcore/deactivated
 	name = "inactive AI"
 	icon_state = "ai-empty"
-	anchored = 1
+	anchored = TRUE
 	state = AI_READY_CORE
 
 /obj/structure/AIcore/deactivated/New()

code/game/objects/structures/aliens.dm

@@ -54,9 +54,9 @@
 	desc = "Looks like some kind of thick resin."
 	icon = 'icons/obj/smooth_structures/alien/resin_wall.dmi'
 	icon_state = "resin"
-	density = 1
+	density = TRUE
 	opacity = 1
-	anchored = 1
+	anchored = TRUE
 	canSmoothWith = list(/obj/structure/alien/resin)
 	max_integrity = 200
 	smooth = SMOOTH_TRUE
@@ -112,8 +112,8 @@
 	gender = PLURAL
 	name = "resin floor"
 	desc = "A thick resin surface covers the floor."
-	anchored = 1
-	density = 0
+	anchored = TRUE
+	density = FALSE
 	layer = TURF_LAYER
 	icon_state = "weeds"
 	max_integrity = 15

code/game/objects/structures/artstuff.dm

@@ -8,7 +8,7 @@
 	desc = "Only for the finest of art!"
 	icon = 'icons/obj/artstuff.dmi'
 	icon_state = "easel"
-	density = 1
+	density = TRUE
 	resistance_flags = FLAMMABLE
 	max_integrity = 60
 	var/obj/item/weapon/canvas/painting = null

code/game/objects/structures/barsigns.dm

@@ -10,10 +10,10 @@
 	buildable_sign = 0
 	var/list/barsigns=list()
 	var/list/hiddensigns
-	var/emagged = 0
+	var/emagged = FALSE
 	var/state = 0
 	var/prev_sign = ""
-	var/panel_open = 0
+	var/panel_open = FALSE
 
 /obj/structure/sign/barsign/Initialize()
 	. = ..()
@@ -78,7 +78,7 @@
 		if(!panel_open)
 			to_chat(user, "<span class='notice'>You open the maintenance panel.</span>")
 			set_sign(new /datum/barsign/hiddensigns/signoff)
-			panel_open = 1
+			panel_open = TRUE
 		else
 			to_chat(user, "<span class='notice'>You close the maintenance panel.</span>")
 			if(!broken && !emagged)
@@ -87,7 +87,7 @@
 				set_sign(new /datum/barsign/hiddensigns/syndibarsign)
 			else
 				set_sign(new /datum/barsign/hiddensigns/empbarsign)
-			panel_open = 0
+			panel_open = FALSE
 
 	else if(istype(I, /obj/item/stack/cable_coil) && panel_open)
 		var/obj/item/stack/cable_coil/C = I
@@ -121,7 +121,7 @@
 	to_chat(user, "<span class='notice'>You emag the barsign. Takeover in progress...</span>")
 	sleep(100) //10 seconds
 	set_sign(new /datum/barsign/hiddensigns/syndibarsign)
-	emagged = 1
+	emagged = TRUE
 	req_access = list(GLOB.access_syndicate)
 
 

code/game/objects/structures/beds_chairs/alien_nest.dm

@@ -7,7 +7,7 @@
 	icon_state = "nest"
 	max_integrity = 120
 	smooth = SMOOTH_TRUE
-	can_be_unanchored = 0
+	can_be_unanchored = FALSE
 	canSmoothWith = null
 	buildstacktype = null
 	flags = NODECONSTRUCT

code/game/objects/structures/beds_chairs/bed.dm

@@ -12,7 +12,7 @@
 	desc = "This is used to lie in, sleep in or strap on."
 	icon_state = "bed"
 	icon = 'icons/obj/objects.dmi'
-	anchored = 1
+	anchored = TRUE
 	can_buckle = 1
 	buckle_lying = 1
 	resistance_flags = FLAMMABLE
@@ -44,7 +44,7 @@
 	name = "roller bed"
 	icon = 'icons/obj/rollerbed.dmi'
 	icon_state = "down"
-	anchored = 0
+	anchored = FALSE
 	resistance_flags = 0
 	var/foldabletype = /obj/item/roller
 
@@ -86,11 +86,11 @@
 
 /obj/structure/bed/roller/post_buckle_mob(mob/living/M)
 	if(M in buckled_mobs)
-		density = 1
+		density = TRUE
 		icon_state = "up"
 		M.pixel_y = initial(M.pixel_y)
 	else
-		density = 0
+		density = FALSE
 		icon_state = "down"
 		M.pixel_x = M.get_standard_pixel_x_offset(M.lying)
 		M.pixel_y = M.get_standard_pixel_y_offset(M.lying)
@@ -157,7 +157,7 @@
 	name = "dog bed"
 	icon_state = "dogbed"
 	desc = "A comfy-looking dog bed. You can even strap your pet in, in case the gravity turns off."
-	anchored = 0
+	anchored = FALSE
 	buildstacktype = /obj/item/stack/sheet/mineral/wood
 	buildstackamount = 10
 	var/mob/living/owner = null

code/game/objects/structures/beds_chairs/chair.dm

@@ -3,7 +3,7 @@
 	desc = "You sit in this. Either by will or force.\n<span class='notice'>Drag your sprite to sit in the chair. Alt-click to rotate it clockwise.</span>"
 	icon = 'icons/obj/chairs.dmi'
 	icon_state = "chair"
-	anchored = 1
+	anchored = TRUE
 	can_buckle = 1
 	buckle_lying = 0 //you sit in a chair, not lay
 	resistance_flags = 0
@@ -177,7 +177,7 @@
 	color = rgb(255,251,0)
 
 /obj/structure/chair/office
-	anchored = 0
+	anchored = FALSE
 	buildstackamount = 5
 	item_chair = null
 

code/game/objects/structures/bedsheet_bin.dm

@@ -240,7 +240,7 @@ LINEN BINS
 	desc = "It looks rather cosy."
 	icon = 'icons/obj/structures.dmi'
 	icon_state = "linenbin-full"
-	anchored = 1
+	anchored = TRUE
 	resistance_flags = FLAMMABLE
 	max_integrity = 70
 	var/amount = 10

code/game/objects/structures/crates_lockers/closets.dm

@@ -3,7 +3,7 @@
 	desc = "It's a basic storage unit."
 	icon = 'icons/obj/closet.dmi'
 	icon_state = "generic"
-	density = 1
+	density = TRUE
 	var/icon_door = null
 	var/icon_door_override = FALSE //override to have open overlay use icon different to its base's
 	var/secure = FALSE //secure locker or not, also used if overriding a non-secure locker with a secure door overlay to add fancy lights
@@ -130,7 +130,7 @@
 	playsound(loc, open_sound, 15, 1, -3)
 	opened = 1
 	if(!dense_when_open)
-		density = 0
+		density = FALSE
 	climb_time *= 0.5 //it's faster to climb onto an open thing
 	dump_contents()
 	update_icon()
@@ -182,7 +182,7 @@
 	playsound(loc, close_sound, 15, 1, -3)
 	climb_time = initial(climb_time)
 	opened = 0
-	density = 1
+	density = TRUE
 	update_icon()
 	return 1
 
@@ -381,8 +381,8 @@
 			to_chat(user, "<span class='warning'>You fail to break out of [src]!</span>")
 
 /obj/structure/closet/proc/bust_open()
-	welded = 0 //applies to all lockers
-	locked = 0 //applies to critter crates and secure lockers only
+	welded = FALSE //applies to all lockers
+	locked = FALSE //applies to critter crates and secure lockers only
 	broken = 1 //applies to secure lockers only
 	open()
 
@@ -417,7 +417,7 @@
 						"<span class='italics'>You hear a faint electrical spark.</span>")
 		playsound(src.loc, 'sound/effects/sparks4.ogg', 50, 1)
 		broken = 1
-		locked = 0
+		locked = FALSE
 		update_icon()
 
 /obj/structure/closet/get_remote_view_fullscreens(mob/user)

code/game/objects/structures/crates_lockers/closets/bodybag.dm

@@ -4,7 +4,7 @@
 	desc = "A plastic bag designed for the storage and transportation of cadavers."
 	icon = 'icons/obj/bodybag.dmi'
 	icon_state = "bodybag"
-	density = 0
+	density = FALSE
 	mob_storage_capacity = 2
 	open_sound = 'sound/items/zip.ogg'
 	close_sound = 'sound/items/zip.ogg'
@@ -42,7 +42,7 @@
 
 /obj/structure/closet/body_bag/close()
 	if(..())
-		density = 0
+		density = FALSE
 		return 1
 	return 0
 

code/game/objects/structures/crates_lockers/closets/gimmick.dm

@@ -52,7 +52,7 @@
 /obj/structure/closet/thunderdome
 	name = "\improper Thunderdome closet"
 	desc = "Everything you need!"
-	anchored = 1
+	anchored = TRUE
 
 /obj/structure/closet/thunderdome/tdred
 	name = "red-team Thunderdome closet"

code/game/objects/structures/crates_lockers/closets/secure/secure_closets.dm

@@ -1,11 +1,11 @@
 /obj/structure/closet/secure_closet
 	name = "secure locker"
 	desc = "It's a card-locked storage unit."
-	locked = 1
+	locked = TRUE
 	icon_state = "secure"
 	max_integrity = 250
 	armor = list(melee = 30, bullet = 50, laser = 50, energy = 100, bomb = 0, bio = 0, rad = 0, fire = 80, acid = 80)
-	secure = 1
+	secure = TRUE
 
 /obj/structure/closet/secure_closet/run_obj_armor(damage_amount, damage_type, damage_flag = 0, attack_dir)
 	if(damage_flag == "melee" && damage_amount < 20)

code/game/objects/structures/crates_lockers/closets/secure/security.dm

@@ -196,7 +196,7 @@
 /obj/structure/closet/secure_closet/brig
 	name = "brig locker"
 	req_access = list(GLOB.access_brig)
-	anchored = 1
+	anchored = TRUE
 	var/id = null
 
 /obj/structure/closet/secure_closet/brig/PopulateContents()

code/game/objects/structures/crates_lockers/crates/large.dm

@@ -2,7 +2,7 @@
 	name = "large crate"
 	desc = "A hefty wooden crate."
 	icon_state = "largecrate"
-	density = 1
+	density = TRUE
 	material_drop = /obj/item/stack/sheet/mineral/wood
 	delivery_icon = "deliverybox"
 

code/game/objects/structures/crates_lockers/crates/secure.dm

@@ -2,8 +2,8 @@
 	desc = "A secure crate."
 	name = "secure crate"
 	icon_state = "securecrate"
-	secure = 1
-	locked = 1
+	secure = TRUE
+	locked = TRUE
 	max_integrity = 500
 	armor = list(melee = 30, bullet = 50, laser = 50, energy = 100, bomb = 0, bio = 0, rad = 0, fire = 80, acid = 80)
 	var/tamperproof = 0

code/game/objects/structures/displaycase.dm

@@ -3,8 +3,8 @@
 	icon = 'icons/obj/stationobjs.dmi'
 	icon_state = "glassbox0"
 	desc = "A display case for prized possessions."
-	density = 1
-	anchored = 1
+	density = TRUE
+	anchored = TRUE
 	resistance_flags = ACID_PROOF
 	armor = list(melee = 30, bullet = 0, laser = 0, energy = 0, bomb = 10, bio = 0, rad = 0, fire = 70, acid = 100)
 	max_integrity = 200
@@ -59,7 +59,7 @@
 
 /obj/structure/displaycase/obj_break(damage_flag)
 	if(!broken && !(flags & NODECONSTRUCT))
-		density = 0
+		density = FALSE
 		broken = 1
 		new /obj/item/weapon/shard( src.loc )
 		playsound(src, "shatter", 70, 1)
@@ -189,8 +189,8 @@
 
 
 /obj/structure/displaycase_chassis
-	anchored = 1
-	density = 0
+	anchored = TRUE
+	density = FALSE
 	name = "display case chassis"
 	desc = "wooden base of display case"
 	icon = 'icons/obj/stationobjs.dmi'

code/game/objects/structures/divine.dm

@@ -3,8 +3,8 @@
 	desc = "An altar designed to perform blood sacrifice for a deity."
 	icon = 'icons/obj/hand_of_god_structures.dmi'
 	icon_state = "sacrificealtar"
-	anchored = 1
-	density = 0
+	anchored = TRUE
+	density = FALSE
 	can_buckle = 1
 
 /obj/structure/sacrificealtar/attack_hand(mob/living/user)
@@ -23,8 +23,8 @@
 	desc = "A fountain containing the waters of life."
 	icon = 'icons/obj/hand_of_god_structures.dmi'
 	icon_state = "fountain"
-	anchored = 1
-	density = 1
+	anchored = TRUE
+	density = TRUE
 	var/time_between_uses = 1800
 	var/last_process = 0
 

code/game/objects/structures/door_assembly.dm

@@ -3,8 +3,8 @@
 	icon = 'icons/obj/doors/airlocks/station/public.dmi'
 	icon_state = "construction"
 	var/overlays_file = 'icons/obj/doors/airlocks/station/overlays.dmi'
-	anchored = 0
-	density = 1
+	anchored = FALSE
+	density = TRUE
 	max_integrity = 200
 	var/state = 0
 	var/mineral = null
@@ -24,7 +24,7 @@
 /obj/structure/door_assembly/door_assembly_0
 	name = "airlock assembly"
 	airlock_type = /obj/machinery/door/airlock
-	anchored = 1
+	anchored = TRUE
 	state = 1
 
 /obj/structure/door_assembly/door_assembly_com
@@ -34,7 +34,7 @@
 	icontext = "com"
 	glass_type = /obj/machinery/door/airlock/glass_command
 	airlock_type = /obj/machinery/door/airlock/command
-	anchored = 1
+	anchored = TRUE
 	state = 1
 
 /obj/structure/door_assembly/door_assembly_com/glass
@@ -48,7 +48,7 @@
 	icontext = "sec"
 	glass_type = /obj/machinery/door/airlock/glass_security
 	airlock_type = /obj/machinery/door/airlock/security
-	anchored = 1
+	anchored = TRUE
 	state = 1
 
 /obj/structure/door_assembly/door_assembly_sec/glass
@@ -62,7 +62,7 @@
 	icontext = "eng"
 	glass_type = /obj/machinery/door/airlock/glass_engineering
 	airlock_type = /obj/machinery/door/airlock/engineering
-	anchored = 1
+	anchored = TRUE
 	state = 1
 
 /obj/structure/door_assembly/door_assembly_eng/glass
@@ -76,7 +76,7 @@
 	icontext = "min"
 	glass_type = /obj/machinery/door/airlock/glass_mining
 	airlock_type = /obj/machinery/door/airlock/mining
-	anchored = 1
+	anchored = TRUE
 	state = 1
 
 /obj/structure/door_assembly/door_assembly_min/glass
@@ -90,7 +90,7 @@
 	icontext = "atmo"
 	glass_type = /obj/machinery/door/airlock/glass_atmos
 	airlock_type = /obj/machinery/door/airlock/atmos
-	anchored = 1
+	anchored = TRUE
 	state = 1
 
 /obj/structure/door_assembly/door_assembly_atmo/glass
@@ -104,7 +104,7 @@
 	icontext = "res"
 	glass_type = /obj/machinery/door/airlock/glass_research
 	airlock_type = /obj/machinery/door/airlock/research
-	anchored = 1
+	anchored = TRUE
 	state = 1
 
 /obj/structure/door_assembly/door_assembly_research/glass
@@ -118,7 +118,7 @@
 	icontext = "sci"
 	glass_type = /obj/machinery/door/airlock/glass_science
 	airlock_type = /obj/machinery/door/airlock/science
-	anchored = 1
+	anchored = TRUE
 	state = 1
 
 /obj/structure/door_assembly/door_assembly_science/glass
@@ -132,7 +132,7 @@
 	icontext = "med"
 	glass_type = /obj/machinery/door/airlock/glass_medical
 	airlock_type = /obj/machinery/door/airlock/medical
-	anchored = 1
+	anchored = TRUE
 	state = 1
 
 /obj/structure/door_assembly/door_assembly_med/glass
@@ -146,7 +146,7 @@
 	icontext = "mai"
 	glass_type = /obj/machinery/door/airlock/glass_maintenance
 	airlock_type = /obj/machinery/door/airlock/maintenance
-	anchored = 1
+	anchored = TRUE
 	state = 1
 
 /obj/structure/door_assembly/door_assembly_mai/glass
@@ -161,7 +161,7 @@
 	icontext = "ext"
 	glass_type = /obj/machinery/door/airlock/glass_external
 	airlock_type = /obj/machinery/door/airlock/external
-	anchored = 1
+	anchored = TRUE
 	state = 1
 
 /obj/structure/door_assembly/door_assembly_ext/glass
@@ -174,7 +174,7 @@
 	typetext = "freezer"
 	icontext = "fre"
 	airlock_type = /obj/machinery/door/airlock/freezer
-	anchored = 1
+	anchored = TRUE
 	state = 1
 
 /obj/structure/door_assembly/door_assembly_hatch
@@ -184,7 +184,7 @@
 	typetext = "hatch"
 	icontext = "hatch"
 	airlock_type = /obj/machinery/door/airlock/hatch
-	anchored = 1
+	anchored = TRUE
 	state = 1
 
 /obj/structure/door_assembly/door_assembly_mhatch
@@ -194,7 +194,7 @@
 	typetext = "maintenance_hatch"
 	icontext = "mhatch"
 	airlock_type = /obj/machinery/door/airlock/maintenance_hatch
-	anchored = 1
+	anchored = TRUE
 	state = 1
 
 /obj/structure/door_assembly/door_assembly_glass
@@ -202,7 +202,7 @@
 	icon = 'icons/obj/doors/airlocks/station2/glass.dmi'
 	overlays_file = 'icons/obj/doors/airlocks/station2/overlays.dmi'
 	airlock_type = /obj/machinery/door/airlock/glass
-	anchored = 1
+	anchored = TRUE
 	state = 1
 	mineral = "glass"
 	material = "glass"
@@ -211,7 +211,7 @@
 	name = "gold airlock assembly"
 	icon = 'icons/obj/doors/airlocks/station/gold.dmi'
 	airlock_type = /obj/machinery/door/airlock/gold
-	anchored = 1
+	anchored = TRUE
 	state = 1
 	mineral = "gold"
 
@@ -219,7 +219,7 @@
 	name = "silver airlock assembly"
 	icon = 'icons/obj/doors/airlocks/station/silver.dmi'
 	airlock_type = /obj/machinery/door/airlock/silver
-	anchored = 1
+	anchored = TRUE
 	state = 1
 	mineral = "silver"
 
@@ -227,7 +227,7 @@
 	name = "diamond airlock assembly"
 	icon = 'icons/obj/doors/airlocks/station/diamond.dmi'
 	airlock_type = /obj/machinery/door/airlock/diamond
-	anchored = 1
+	anchored = TRUE
 	state = 1
 	mineral = "diamond"
 
@@ -235,7 +235,7 @@
 	name = "uranium airlock assembly"
 	icon = 'icons/obj/doors/airlocks/station/uranium.dmi'
 	airlock_type = /obj/machinery/door/airlock/uranium
-	anchored = 1
+	anchored = TRUE
 	state = 1
 	mineral = "uranium"
 
@@ -243,7 +243,7 @@
 	name = "plasma airlock assembly"
 	icon = 'icons/obj/doors/airlocks/station/plasma.dmi'
 	airlock_type = /obj/machinery/door/airlock/plasma
-	anchored = 1
+	anchored = TRUE
 	state = 1
 	mineral = "plasma"
 
@@ -252,7 +252,7 @@
 	desc = "Honk"
 	icon = 'icons/obj/doors/airlocks/station/bananium.dmi'
 	airlock_type = /obj/machinery/door/airlock/clown
-	anchored = 1
+	anchored = TRUE
 	state = 1
 	mineral = "bananium"
 
@@ -260,7 +260,7 @@
 	name = "sandstone airlock assembly"
 	icon = 'icons/obj/doors/airlocks/station/sandstone.dmi'
 	airlock_type = /obj/machinery/door/airlock/sandstone
-	anchored = 1
+	anchored = TRUE
 	state = 1
 	mineral = "sandstone"
 
@@ -272,7 +272,7 @@
 	icontext = "titanium"
 	glass_type = /obj/machinery/door/airlock/glass_titanium
 	airlock_type = /obj/machinery/door/airlock/titanium
-	anchored = 1
+	anchored = TRUE
 	state = 1
 	mineral = "titanium"
 
@@ -287,7 +287,7 @@
 	typetext = "highsecurity"
 	icontext = "highsec"
 	airlock_type = /obj/machinery/door/airlock/highsecurity
-	anchored = 1
+	anchored = TRUE
 	state = 1
 
 /obj/structure/door_assembly/door_assembly_vault
@@ -297,7 +297,7 @@
 	typetext = "vault"
 	icontext = "vault"
 	airlock_type = /obj/machinery/door/airlock/vault
-	anchored = 1
+	anchored = TRUE
 	state = 1
 
 /obj/structure/door_assembly/door_assembly_shuttle
@@ -307,7 +307,7 @@
 	typetext = "shuttle"
 	icontext = "shuttle"
 	airlock_type = /obj/machinery/door/airlock/shuttle
-	anchored = 1
+	anchored = TRUE
 	state = 1
 
 /obj/structure/door_assembly/door_assembly_cult
@@ -317,7 +317,7 @@
 	typetext = "cult"
 	icontext = "cult"
 	airlock_type = /obj/machinery/door/airlock/cult
-	anchored = 1
+	anchored = TRUE
 	state = 1
 
 /obj/structure/door_assembly/door_assembly_cult/glass
@@ -336,7 +336,7 @@
 	name = "wooden airlock assembly"
 	icon = 'icons/obj/doors/airlocks/station/wood.dmi'
 	airlock_type = /obj/machinery/door/airlock/wood
-	anchored = 1
+	anchored = TRUE
 	state = 1
 	mineral = "wood"
 
@@ -347,7 +347,7 @@
 	icontext = "viro"
 	glass_type = /obj/machinery/door/airlock/glass_virology
 	airlock_type = /obj/machinery/door/airlock/virology
-	anchored = 1
+	anchored = TRUE
 	state = 1
 
 /obj/structure/door_assembly/door_assembly_viro/glass
@@ -360,7 +360,7 @@
 	overlays_file = 'icons/obj/doors/airlocks/centcom/overlays.dmi'
 	icontext = "ele"
 	airlock_type = /obj/machinery/door/airlock/centcom
-	anchored = 1
+	anchored = TRUE
 	state = 1
 
 /obj/structure/door_assembly/attackby(obj/item/W, mob/user, params)
@@ -394,100 +394,100 @@
 			icontype = input(user, "Please select a paintjob for this airlock.") in optionlist
 			if((!in_range(src, usr) && src.loc != usr) || !WT.use(user))
 				return
-			var/has_solid = 0
-			var/has_glass = 0
+			var/has_solid = FALSE
+			var/has_glass = FALSE
 			switch(icontype)
 				if("Public")
 					icon = 'icons/obj/doors/airlocks/station/public.dmi'
 					overlays_file = 'icons/obj/doors/airlocks/station/overlays.dmi'
 					typetext = ""
 					icontext = ""
-					has_solid = 1
-					has_glass = 1
+					has_solid = TRUE
+					has_glass = TRUE
 				if("Public2")
 					icon = 'icons/obj/doors/airlocks/station2/glass.dmi'
 					overlays_file = 'icons/obj/doors/airlocks/station2/overlays.dmi'
 					typetext = ""
 					icontext = ""
-					has_solid = 1
-					has_glass = 1
+					has_solid = TRUE
+					has_glass = TRUE
 				if("Engineering")
 					icon = 'icons/obj/doors/airlocks/station/engineering.dmi'
 					overlays_file = 'icons/obj/doors/airlocks/station/overlays.dmi'
 					typetext = "engineering"
 					icontext = "eng"
-					has_solid = 1
-					has_glass = 1
+					has_solid = TRUE
+					has_glass = TRUE
 				if("Atmospherics")
 					icon = 'icons/obj/doors/airlocks/station/atmos.dmi'
 					overlays_file = 'icons/obj/doors/airlocks/station/overlays.dmi'
 					typetext = "atmos"
 					icontext = "atmo"
-					has_solid = 1
-					has_glass = 1
+					has_solid = TRUE
+					has_glass = TRUE
 				if("Security")
 					icon = 'icons/obj/doors/airlocks/station/security.dmi'
 					overlays_file = 'icons/obj/doors/airlocks/station/overlays.dmi'
 					typetext = "security"
 					icontext = "sec"
-					has_solid = 1
-					has_glass = 1
+					has_solid = TRUE
+					has_glass = TRUE
 				if("Command")
 					icon = 'icons/obj/doors/airlocks/station/command.dmi'
 					overlays_file = 'icons/obj/doors/airlocks/station/overlays.dmi'
 					typetext = "command"
 					icontext = "com"
-					has_solid = 1
-					has_glass = 1
+					has_solid = TRUE
+					has_glass = TRUE
 				if("Medical")
 					icon = 'icons/obj/doors/airlocks/station/medical.dmi'
 					overlays_file = 'icons/obj/doors/airlocks/station/overlays.dmi'
 					typetext = "medical"
 					icontext = "med"
-					has_solid = 1
-					has_glass = 1
+					has_solid = TRUE
+					has_glass = TRUE
 				if("Research")
 					icon = 'icons/obj/doors/airlocks/station/research.dmi'
 					overlays_file = 'icons/obj/doors/airlocks/station/overlays.dmi'
 					typetext = "research"
 					icontext = "res"
-					has_solid = 1
-					has_glass = 1
+					has_solid = TRUE
+					has_glass = TRUE
 				if("Science")
 					icon = 'icons/obj/doors/airlocks/station/science.dmi'
 					overlays_file = 'icons/obj/doors/airlocks/station/overlays.dmi'
 					typetext = "research"
 					icontext = "res"
-					has_solid = 1
-					has_glass = 1
+					has_solid = TRUE
+					has_glass = TRUE
 				if("Mining")
 					icon = 'icons/obj/doors/airlocks/station/mining.dmi'
 					overlays_file = 'icons/obj/doors/airlocks/station/overlays.dmi'
 					typetext = "mining"
 					icontext = "min"
-					has_solid = 1
-					has_glass = 1
+					has_solid = TRUE
+					has_glass = TRUE
 				if("Maintenance")
 					icon = 'icons/obj/doors/airlocks/station/maintenance.dmi'
 					overlays_file = 'icons/obj/doors/airlocks/station/overlays.dmi'
 					typetext = "maintenance"
 					icontext = "mai"
-					has_solid = 1
-					has_glass = 0
+					has_solid = TRUE
+					has_glass = FALSE
 				if("External")
 					icon = 'icons/obj/doors/airlocks/external/external.dmi'
 					overlays_file = 'icons/obj/doors/airlocks/external/overlays.dmi'
 					typetext = "external"
 					icontext = "ext"
-					has_solid = 1
-					has_glass = 0
+					has_solid = TRUE
+					has_glass = FALSE
 				if("High Security")
 					icon = 'icons/obj/doors/airlocks/highsec/highsec.dmi'
 					overlays_file = 'icons/obj/doors/airlocks/highsec/overlays.dmi'
 					typetext = "highsecurity"
 					icontext = "highsec"
-					has_solid = 1
-					has_glass = 0
+					has_solid = TRUE
+					has_glass = FALSE
 			if(has_solid)
 				airlock_type = text2path("/obj/machinery/door/airlock/[typetext]")
 			else
@@ -534,7 +534,7 @@
 						return
 					to_chat(user, "<span class='notice'>You secure the airlock assembly.</span>")
 					src.name = "secured airlock assembly"
-					src.anchored = 1
+					src.anchored = TRUE
 			else
 				to_chat(user, "There is another door here!")
 
@@ -548,7 +548,7 @@
 					return
 				to_chat(user, "<span class='notice'>You unsecure the airlock assembly.</span>")
 				name = "airlock assembly"
-				anchored = 0
+				anchored = FALSE
 
 	else if(istype(W, /obj/item/stack/cable_coil) && state == 0 && anchored )
 		var/obj/item/stack/cable_coil/C = W

code/game/objects/structures/dresser.dm

@@ -3,8 +3,8 @@
 	desc = "A nicely-crafted wooden dresser. It's filled with lots of undies."
 	icon = 'icons/obj/stationobjs.dmi'
 	icon_state = "dresser"
-	density = 1
-	anchored = 1
+	density = TRUE
+	anchored = TRUE
 
 /obj/structure/dresser/attackby(obj/item/P, mob/user, params)
 	if(istype(P, /obj/item/weapon/wrench))

code/game/objects/structures/extinguisher.dm

@@ -3,8 +3,8 @@
 	desc = "A small wall mounted cabinet designed to hold a fire extinguisher."
 	icon = 'icons/obj/wallmounts.dmi'
 	icon_state = "extinguisher_closed"
-	anchored = 1
-	density = 0
+	anchored = TRUE
+	density = FALSE
 	max_integrity = 200
 	integrity_failure = 50
 	var/obj/item/weapon/extinguisher/stored_extinguisher

code/game/objects/structures/false_walls.dm

@@ -4,7 +4,7 @@
 /obj/structure/falsewall
 	name = "wall"
 	desc = "A huge chunk of metal used to separate rooms."
-	anchored = 1
+	anchored = TRUE
 	icon = 'icons/turf/walls/wall.dmi'
 	icon_state = "wall"
 	var/mineral = /obj/item/stack/sheet/metal
@@ -12,7 +12,7 @@
 	var/walltype = /turf/closed/wall
 	var/girder_type = /obj/structure/girder/displaced
 	var/opening = 0
-	density = 1
+	density = TRUE
 	opacity = 1
 	max_integrity = 100
 
@@ -26,7 +26,7 @@
 	/turf/closed/wall/r_wall/rust,
 	/turf/closed/wall/clockwork)
 	smooth = SMOOTH_TRUE
-	can_be_unanchored = 0
+	can_be_unanchored = FALSE
 	CanAtmosPass = ATMOS_PASS_DENSITY
 
 /obj/structure/falsewall/New(loc)
@@ -34,7 +34,7 @@
 	air_update_turf(1)
 
 /obj/structure/falsewall/Destroy()
-	density = 0
+	density = FALSE
 	air_update_turf(1)
 	return ..()
 
@@ -51,7 +51,7 @@
 		do_the_flick()
 		sleep(5)
 		if(!QDELETED(src))
-			density = 0
+			density = FALSE
 			set_opacity(0)
 			update_icon()
 	else
@@ -60,7 +60,7 @@
 			opening = 0
 			return
 		do_the_flick()
-		density = 1
+		density = TRUE
 		sleep(5)
 		if(!QDELETED(src))
 			set_opacity(1)

code/game/objects/structures/fireaxe.dm

@@ -4,11 +4,11 @@
 	var/obj/item/weapon/twohanded/fireaxe/fireaxe = new/obj/item/weapon/twohanded/fireaxe
 	icon = 'icons/obj/wallmounts.dmi'
 	icon_state = "fireaxe"
-	anchored = 1
-	density = 0
+	anchored = TRUE
+	density = FALSE
 	armor = list(melee = 50, bullet = 20, laser = 0, energy = 100, bomb = 10, bio = 100, rad = 100, fire = 90, acid = 50)
-	var/locked = 1
-	var/open = 0
+	var/locked = TRUE
+	var/open = FALSE
 	max_integrity = 150
 	integrity_failure = 50
 

code/game/objects/structures/flora.dm

@@ -1,12 +1,12 @@
 /obj/structure/flora
 	resistance_flags = FLAMMABLE
 	max_integrity = 150
-	anchored = 1
+	anchored = TRUE
 
 //trees
 /obj/structure/flora/tree
 	name = "tree"
-	density = 1
+	density = TRUE
 	pixel_x = -16
 	layer = FLY_LAYER
 	var/cut = FALSE
@@ -25,7 +25,7 @@
 				playsound(get_turf(src), 'sound/effects/meteorimpact.ogg', 100 , 0, 0)
 				icon = 'icons/obj/flora/pinetrees.dmi'
 				icon_state = "tree_stump"
-				density = 0
+				density = FALSE
 				pixel_x = -16
 				name += " stump"
 				cut = TRUE
@@ -129,7 +129,7 @@
 	name = "bush"
 	icon = 'icons/obj/flora/snowflora.dmi'
 	icon_state = "snowbush1"
-	anchored = 1
+	anchored = TRUE
 
 /obj/structure/flora/bush/Initialize()
 	icon_state = "snowbush[rand(1, 6)]"
@@ -308,7 +308,7 @@
 	desc = "A volcanic rock"
 	icon = 'icons/obj/flora/rocks.dmi'
 	resistance_flags = FIRE_PROOF
-	density = 1
+	density = TRUE
 
 /obj/structure/flora/rock/Initialize()
 	..()

code/game/objects/structures/fluff.dm

@@ -87,7 +87,7 @@
 /obj/structure/fluff/bus/passable
 	name = "bus"
 	icon_state = "frontwalltop"
-	density = 0
+	density = FALSE
 	layer = ABOVE_ALL_MOB_LAYER //except for the stairs tile, which should be set to OBJ_LAYER aka 3.
 
 
@@ -126,8 +126,8 @@
 /obj/structure/fluff/divine
 	name = "Miracle"
 	icon = 'icons/obj/hand_of_god_structures.dmi'
-	anchored = 1
-	density = 1
+	anchored = TRUE
+	density = TRUE
 
 /obj/structure/fluff/divine/nexus
 	name = "nexus"
@@ -143,7 +143,7 @@
 	name = "conversion altar"
 	desc = "An altar dedicated to a deity."
 	icon_state = "convertaltar"
-	density = 0
+	density = FALSE
 	can_buckle = 1
 
 /obj/structure/fluff/divine/powerpylon

code/game/objects/structures/ghost_role_spawners.dm

@@ -41,8 +41,8 @@
 	outfit = /datum/outfit/ashwalker
 	roundstart = FALSE
 	death = FALSE
-	anchored = 0
-	density = 0
+	anchored = FALSE
+	density = FALSE
 	flavour_text = "<font size=3><b>Y</b></font><b>ou are an ash walker. Your tribe worships <span class='danger'>the Necropolis</span>. The wastes are sacred ground, its monsters a blessed bounty. \
 	You have seen lights in the distance... they foreshadow the arrival of outsiders that seek to tear apart the Necropolis and its domain. Fresh sacrifices for your nest.</b>"
 	assignedrole = "Ash Walker"
@@ -113,8 +113,8 @@
 	mob_species = /datum/species/golem
 	roundstart = FALSE
 	death = FALSE
-	anchored = 0
-	density = 0
+	anchored = FALSE
+	density = FALSE
 	var/has_owner = FALSE
 	var/can_transfer = TRUE //if golems can switch bodies to this new shell
 	var/mob/living/owner = null //golem's owner if it has one

code/game/objects/structures/girders.dm

@@ -1,8 +1,8 @@
 /obj/structure/girder
 	name = "girder"
 	icon_state = "girder"
-	anchored = 1
-	density = 1
+	anchored = TRUE
+	density = TRUE
 	layer = BELOW_OBJ_LAYER
 	var/state = GIRDER_NORMAL
 	var/girderpasschance = 20 // percentage chance that a projectile passes through the girder.
@@ -302,7 +302,7 @@
 /obj/structure/girder/displaced
 	name = "displaced girder"
 	icon_state = "displaced"
-	anchored = 0
+	anchored = FALSE
 	state = GIRDER_DISPLACED
 	girderpasschance = 25
 	max_integrity = 120

code/game/objects/structures/grille.dm

@@ -3,8 +3,8 @@
 	name = "grille"
 	icon = 'icons/obj/structures.dmi'
 	icon_state = "grille"
-	density = 1
-	anchored = 1
+	density = TRUE
+	anchored = TRUE
 	flags = CONDUCT
 	pressure_resistance = 5*ONE_ATMOSPHERE
 	layer = BELOW_OBJ_LAYER
@@ -156,7 +156,7 @@
 					WD = new/obj/structure/window/fulltile(loc) //normal window
 				WD.setDir(dir_to_set)
 				WD.ini_dir = dir_to_set
-				WD.anchored = 0
+				WD.anchored = FALSE
 				WD.state = 0
 				ST.use(2)
 				to_chat(user, "<span class='notice'>You place [WD] on [src].</span>")
@@ -238,7 +238,7 @@
 
 /obj/structure/grille/broken // Pre-broken grilles for map placement
 	icon_state = "brokengrille"
-	density = 0
+	density = FALSE
 	obj_integrity = 20
 	broken = 1
 	rods_amount = 1
@@ -274,7 +274,7 @@
 
 /obj/structure/grille/ratvar/broken
 	icon_state = "brokenratvargrille"
-	density = 0
+	density = FALSE
 	obj_integrity = 20
 	broken = 1
 	rods_amount = 1

code/game/objects/structures/guncase.dm

@@ -4,12 +4,12 @@
 	desc = "A locker that holds guns."
 	icon = 'icons/obj/closet.dmi'
 	icon_state = "shotguncase"
-	anchored = 0
-	density = 1
+	anchored = FALSE
+	density = TRUE
 	opacity = 0
 	var/case_type = ""
 	var/gun_category = /obj/item/weapon/gun
-	var/open = 1
+	var/open = TRUE
 	var/capacity = 4
 
 /obj/structure/guncase/Initialize(mapload)

code/game/objects/structures/hivebot.dm

@@ -3,8 +3,8 @@
 	desc = "Some odd beacon thing."
 	icon = 'icons/mob/hivebot.dmi'
 	icon_state = "def_radar-off"
-	anchored = 1
-	density = 1
+	anchored = TRUE
+	density = TRUE
 	var/bot_type = "norm"
 	var/bot_amt = 10
 

code/game/objects/structures/holosign.dm

@@ -4,7 +4,7 @@
 /obj/structure/holosign
 	name = "holo sign"
 	icon = 'icons/effects/effects.dmi'
-	anchored = 1
+	anchored = TRUE
 	max_integrity = 1
 	armor = list(melee = 0, bullet = 50, laser = 50, energy = 50, bomb = 0, bio = 0, rad = 0, fire = 20, acid = 20)
 	var/obj/item/weapon/holosign_creator/projector
@@ -44,7 +44,7 @@
 	desc = "A short holographic barrier which can only be passed by walking."
 	icon_state = "holosign_sec"
 	pass_flags = LETPASSTHROW
-	density = 1
+	density = TRUE
 	max_integrity = 20
 	var/allow_walk = 1 //can we pass through it on walk intent
 
@@ -86,7 +86,7 @@
 /obj/structure/holosign/barrier/cyborg
 	name = "Energy Field"
 	desc = "A fragile energy field that blocks movement. Excels at blocking lethal projectiles."
-	density = 1
+	density = TRUE
 	max_integrity = 10
 	allow_walk = 0
 

code/game/objects/structures/janicart.dm

@@ -3,8 +3,8 @@
 	desc = "This is the alpha and omega of sanitation."
 	icon = 'icons/obj/janitor.dmi'
 	icon_state = "cart"
-	anchored = 0
-	density = 1
+	anchored = FALSE
+	density = TRUE
 	container_type = OPENCONTAINER
 	//copypaste sorry
 	var/amount_per_transfer_from_this = 5 //shit I dunno, adding this so syringes stop runtime erroring. --NeoFite

code/game/objects/structures/kitchen_spike.dm

@@ -6,8 +6,8 @@
 	icon = 'icons/obj/kitchen.dmi'
 	icon_state = "spikeframe"
 	desc = "The frame of a meat spike."
-	density = 1
-	anchored = 0
+	density = TRUE
+	anchored = FALSE
 	max_integrity = 200
 
 /obj/structure/kitchenspike_frame/attackby(obj/item/I, mob/user, params)
@@ -46,8 +46,8 @@
 	icon = 'icons/obj/kitchen.dmi'
 	icon_state = "spike"
 	desc = "A spike for collecting meat from animals"
-	density = 1
-	anchored = 1
+	density = TRUE
+	anchored = TRUE
 	buckle_lying = 0
 	can_buckle = 1
 	max_integrity = 250

code/game/objects/structures/lattice.dm

@@ -3,8 +3,8 @@
 	desc = "A lightweight support lattice. These hold our station together."
 	icon = 'icons/obj/smooth_structures/lattice.dmi'
 	icon_state = "lattice"
-	density = 0
-	anchored = 1
+	density = FALSE
+	anchored = TRUE
 	armor = list(melee = 50, bullet = 0, laser = 0, energy = 0, bomb = 0, bio = 0, rad = 0, fire = 80, acid = 50)
 	max_integrity = 50
 	layer = LATTICE_LAYER //under pipes

code/game/objects/structures/memorial.dm

@@ -17,5 +17,5 @@ This memorial has been designed for him and any future coders to perish.
 	desc = "Here rests an unknown employee\nUnknown by name or rank\nWhose acts will not be forgotten"
 	icon = 'icons/obj/tomb.dmi'
 	icon_state = "memorial"
-	density = 1
-	anchored = 1
+	density = TRUE
+	anchored = TRUE

code/game/objects/structures/mineral_doors.dm

@@ -3,8 +3,8 @@
 
 /obj/structure/mineral_door
 	name = "metal door"
-	density = 1
-	anchored = 1
+	density = TRUE
+	anchored = TRUE
 	opacity = TRUE
 
 	icon = 'icons/obj/doors/mineral_doors.dmi'
@@ -28,7 +28,7 @@
 	air_update_turf(1)
 
 /obj/structure/mineral_door/Destroy()
-	density = 0
+	density = FALSE
 	air_update_turf(1)
 	return ..()
 
@@ -89,7 +89,7 @@
 	set_opacity(FALSE)
 	flick("[initial_state]opening",src)
 	sleep(10)
-	density = 0
+	density = FALSE
 	state = 1
 	air_update_turf(1)
 	update_icon()
@@ -108,7 +108,7 @@
 	playsound(loc, closeSound, 100, 1)
 	flick("[initial_state]closing",src)
 	sleep(10)
-	density = 1
+	density = TRUE
 	set_opacity(TRUE)
 	state = 0
 	air_update_turf(1)

code/game/objects/structures/mirror.dm

@@ -4,8 +4,8 @@
 	desc = "Mirror mirror on the wall, who's the most robust of them all?"
 	icon = 'icons/obj/watercloset.dmi'
 	icon_state = "mirror"
-	density = 0
-	anchored = 1
+	density = FALSE
+	anchored = TRUE
 	max_integrity = 200
 	integrity_failure = 100
 

code/game/objects/structures/mop_bucket.dm

@@ -3,7 +3,7 @@
 	desc = "Fill it with water, but don't forget a mop!"
 	icon = 'icons/obj/janitor.dmi'
 	icon_state = "mopbucket"
-	density = 1
+	density = TRUE
 	container_type = OPENCONTAINER
 	var/amount_per_transfer_from_this = 5	//shit I dunno, adding this so syringes stop runtime erroring. --NeoFite