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

code/game/machinery/Beacon.dm

@@ -6,7 +6,7 @@
 	desc = "A device that draws power from bluespace and creates a permanent tracking beacon."
 	level = 1		// underfloor
 	layer = LOW_OBJ_LAYER
-	anchored = 1
+	anchored = TRUE
 	use_power = IDLE_POWER_USE
 	idle_power_usage = 0
 	var/obj/item/device/radio/beacon/Beacon

code/game/machinery/PDApainter.dm

@@ -3,8 +3,8 @@
 	desc = "A PDA painting machine. To use, simply insert your PDA and choose the desired preset paint scheme."
 	icon = 'icons/obj/pda.dmi'
 	icon_state = "pdapainter"
-	density = 1
-	anchored = 1
+	density = TRUE
+	anchored = TRUE
 	var/obj/item/device/pda/storedpda = null
 	var/list/colorlist = list()
 	max_integrity = 200

code/game/machinery/Sleeper.dm

@@ -107,7 +107,7 @@
 		return
 	return ..()
 
-/obj/machinery/sleeper/ui_interact(mob/user, ui_key = "main", datum/tgui/ui = null, force_open = 0, \
+/obj/machinery/sleeper/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)
 
 	if(controls_inside && state == GLOB.notcontained_state)

code/game/machinery/airlock_control.dm

@@ -20,28 +20,28 @@
 			close(1)
 
 		if("unlock")
-			locked = 0
+			locked = FALSE
 			update_icon()
 
 		if("lock")
-			locked = 1
+			locked = TRUE
 			update_icon()
 
 		if("secure_open")
-			locked = 0
+			locked = FALSE
 			update_icon()
 
 			sleep(2)
 			open(1)
 
-			locked = 1
+			locked = TRUE
 			update_icon()
 
 		if("secure_close")
-			locked = 0
+			locked = FALSE
 			close(1)
 
-			locked = 1
+			locked = TRUE
 			sleep(2)
 			update_icon()
 
@@ -88,7 +88,7 @@
 	name = "airlock sensor"
 	resistance_flags = INDESTRUCTIBLE | LAVA_PROOF | FIRE_PROOF | UNACIDABLE | ACID_PROOF
 
-	anchored = 1
+	anchored = TRUE
 	power_channel = ENVIRON
 
 	var/id_tag
@@ -97,8 +97,8 @@
 
 	var/datum/radio_frequency/radio_connection
 
-	var/on = 1
-	var/alert = 0
+	var/on = TRUE
+	var/alert = FALSE
 
 
 /obj/machinery/airlock_sensor/update_icon()

code/game/machinery/announcement_system.dm

@@ -1,8 +1,8 @@
 GLOBAL_LIST_EMPTY(announcement_systems)
 
 /obj/machinery/announcement_system
-	density = 1
-	anchored = 1
+	density = TRUE
+	anchored = TRUE
 	name = "\improper Automated Announcement System"
 	desc = "An automated announcement system that handles minor announcements over the radio."
 	icon = 'icons/obj/machines/telecomms.dmi'
@@ -178,5 +178,5 @@ GLOBAL_LIST_EMPTY(announcement_systems)
 
 /obj/machinery/announcement_system/emag_act()
 	if(!emagged)
-		emagged = 1
+		emagged = TRUE
 		act_up()

code/game/machinery/autolathe.dm

@@ -6,22 +6,22 @@
 	name = "autolathe"
 	desc = "It produces items using metal and glass."
 	icon_state = "autolathe"
-	density = 1
+	density = TRUE
 
-	var/operating = 0
-	anchored = 1
+	var/operating = FALSE
+	anchored = TRUE
 	var/list/L = list()
 	var/list/LL = list()
-	var/hacked = 0
+	var/hacked = FALSE
 	var/disabled = 0
-	var/shocked = 0
+	var/shocked = FALSE
 	var/hack_wire
 	var/disable_wire
 	var/shock_wire
 	use_power = IDLE_POWER_USE
 	idle_power_usage = 10
 	active_power_usage = 100
-	var/busy = 0
+	var/busy = FALSE
 	var/prod_coeff = 1
 
 	var/datum/design/being_built
@@ -125,14 +125,14 @@
 		user.visible_message("[user] begins to load \the [O] in \the [src]...",
 			"You begin to load a design from \the [O]...",
 			"You hear the chatter of a floppy drive.")
-		busy = 1
+		busy = TRUE
 		var/obj/item/weapon/disk/design_disk/D = O
 		if(do_after(user, 14.4, target = src))
 			for(var/B in D.blueprints)
 				if(B)
 					files.AddDesign2Known(B)
 
-		busy = 0
+		busy = FALSE
 		return 1
 
 	if(HAS_SECONDARY_FLAG(O, HOLOGRAM))
@@ -149,7 +149,7 @@
 		to_chat(user, "<span class='warning'>\The [O] is stuck to you and cannot be placed into the autolathe.</span>")
 		return 1
 
-	busy = 1
+	busy = TRUE
 	var/inserted = materials.insert_item(O)
 	if(inserted)
 		if(istype(O,/obj/item/stack))
@@ -168,7 +168,7 @@
 	else
 		user.put_in_active_hand(O)
 
-	busy = 0
+	busy = FALSE
 	updateUsrDialog()
 	return 1
 
@@ -206,7 +206,7 @@
 			var/power = max(2000, (metal_cost+glass_cost)*multiplier/5)
 
 			if((materials.amount(MAT_METAL) >= metal_cost*multiplier*coeff) && (materials.amount(MAT_GLASS) >= glass_cost*multiplier*coeff))
-				busy = 1
+				busy = TRUE
 				use_power(power)
 				icon_state = "autolathe"
 				flick("autolathe_n",src)
@@ -223,7 +223,7 @@
 						for(var/obj/item/stack/S in T.contents - N)
 							if(istype(S, N.merge_type))
 								N.merge(S)
-						busy = 0
+						busy = FALSE
 						updateUsrDialog()
 
 				else
@@ -236,7 +236,7 @@
 							for(var/mat in materials_used)
 								new_item.materials[mat] = materials_used[mat] / multiplier
 							new_item.autolathe_crafted(src)
-						busy = 0
+						busy = FALSE
 						updateUsrDialog()
 
 		if(href_list["search"])

code/game/machinery/buttons.dm

@@ -11,7 +11,7 @@
 	var/id = null
 	var/initialized_button = 0
 	armor = list(melee = 50, bullet = 50, laser = 50, energy = 50, bomb = 10, bio = 100, rad = 100, fire = 90, acid = 70)
-	anchored = 1
+	anchored = TRUE
 	use_power = IDLE_POWER_USE
 	idle_power_usage = 2
 	resistance_flags = INDESTRUCTIBLE | LAVA_PROOF | FIRE_PROOF | UNACIDABLE | ACID_PROOF
@@ -23,7 +23,7 @@
 		setDir(ndir)
 		pixel_x = (dir & 3)? 0 : (dir == 4 ? -24 : 24)
 		pixel_y = (dir & 3)? (dir ==1 ? -24 : 24) : 0
-		panel_open = 1
+		panel_open = TRUE
 		update_icon()
 
 

code/game/machinery/camera/camera.dm

@@ -20,9 +20,9 @@
 	var/list/network = list("SS13")
 	var/c_tag = null
 	var/c_tag_order = 999
-	var/status = 1
-	anchored = 1
-	var/start_active = 0 //If it ignores the random chance to start broken on round start
+	var/status = TRUE
+	anchored = TRUE
+	var/start_active = FALSE //If it ignores the random chance to start broken on round start
 	var/invuln = null
 	var/obj/item/device/camera_bug/bug = null
 	var/obj/structure/camera_assembly/assembly = null
@@ -32,9 +32,9 @@
 	var/view_range = 7
 	var/short_range = 2
 
-	var/alarm_on = 0
-	var/busy = 0
-	var/emped = 0  //Number of consecutive EMP's on this camera
+	var/alarm_on = FALSE
+	var/busy = FALSE
+	var/emped = FALSE  //Number of consecutive EMP's on this camera
 
 	// Upgrades bitflag
 	var/upgrades = 0
@@ -295,21 +295,21 @@
 			to_chat(O, "The screen bursts into static.")
 
 /obj/machinery/camera/proc/triggerCameraAlarm()
-	alarm_on = 1
+	alarm_on = TRUE
 	for(var/mob/living/silicon/S in GLOB.mob_list)
 		S.triggerAlarm("Camera", get_area(src), list(src), src)
 
 /obj/machinery/camera/proc/cancelCameraAlarm()
-	alarm_on = 0
+	alarm_on = FALSE
 	for(var/mob/living/silicon/S in GLOB.mob_list)
 		S.cancelAlarm("Camera", get_area(src), src)
 
 /obj/machinery/camera/proc/can_use()
 	if(!status)
-		return 0
+		return FALSE
 	if(stat & EMPED)
-		return 0
-	return 1
+		return FALSE
+	return TRUE
 
 /obj/machinery/camera/proc/can_see()
 	var/list/see = null
@@ -357,20 +357,20 @@
 
 /obj/machinery/camera/proc/weld(obj/item/weapon/weldingtool/WT, mob/living/user)
 	if(busy)
-		return 0
+		return FALSE
 	if(!WT.remove_fuel(0, user))
-		return 0
+		return FALSE
 
 	to_chat(user, "<span class='notice'>You start to weld [src]...</span>")
 	playsound(src.loc, WT.usesound, 50, 1)
-	busy = 1
+	busy = TRUE
 	if(do_after(user, 100*WT.toolspeed, target = src))
-		busy = 0
+		busy = FALSE
 		if(!WT.isOn())
-			return 0
-		return 1
-	busy = 0
-	return 0
+			return FALSE
+		return TRUE
+	busy = FALSE
+	return FALSE
 
 /obj/machinery/camera/proc/Togglelight(on=0)
 	for(var/mob/living/silicon/ai/A in GLOB.ai_list)
@@ -388,7 +388,7 @@
 /obj/machinery/camera/portable/Initialize()
 	. = ..()
 	assembly.state = 0 //These cameras are portable, and so shall be in the portable state if removed.
-	assembly.anchored = 0
+	assembly.anchored = FALSE
 	assembly.update_icon()
 
 /obj/machinery/camera/portable/process() //Updates whenever the camera is moved.

code/game/machinery/camera/camera_assembly.dm

@@ -42,7 +42,7 @@
 			if(istype(W, /obj/item/weapon/weldingtool))
 				if(weld(W, user))
 					to_chat(user, "<span class='notice'>You weld the assembly securely into place.</span>")
-					anchored = 1
+					anchored = TRUE
 					state = 2
 				return
 
@@ -70,7 +70,7 @@
 				if(weld(W, user))
 					to_chat(user, "<span class='notice'>You unweld the assembly from its place.</span>")
 					state = 1
-					anchored = 1
+					anchored = TRUE
 				return
 
 

code/game/machinery/cell_charger.dm

@@ -3,7 +3,7 @@
 	desc = "It charges power cells."
 	icon = 'icons/obj/power.dmi'
 	icon_state = "ccharger0"
-	anchored = 1
+	anchored = TRUE
 	use_power = IDLE_POWER_USE
 	idle_power_usage = 5
 	active_power_usage = 60

code/game/machinery/cloning.dm

@@ -9,10 +9,10 @@
 #define SPEAK(message) radio.talk_into(src, message, radio_channel, get_spans(), get_default_language())
 
 /obj/machinery/clonepod
-	anchored = 1
+	anchored = TRUE
 	name = "cloning pod"
 	desc = "An electronically-lockable pod for growing organic tissue."
-	density = 1
+	density = TRUE
 	icon = 'icons/obj/cloning.dmi'
 	icon_state = "pod_0"
 	req_access = list(GLOB.access_cloning) //For premature unlocking.

code/game/machinery/computer/apc_control.dm

@@ -198,7 +198,7 @@
 	user.visible_message("<span class='warning'>You emag [src], disabling precise logging and allowing you to clear logs.</span>")
 	log_game("[key_name_admin(user)] emagged [src] at [get_area(src)], disabling operator tracking.")
 	playsound(src, "sparks", 50, 1)
-	emagged = 1
+	emagged = TRUE
 
 /obj/machinery/computer/apc_control/proc/log_activity(log_text)
 	var/op_string = operator && !emagged ? operator : "\[NULL OPERATOR\]"

code/game/machinery/computer/arcade.dm

@@ -194,7 +194,7 @@
 			arcade_action()
 
 		else if (href_list["charge"])
-			blocked = 1
+			blocked = TRUE
 			var/chargeamt = rand(4,7)
 			temp = "You regain [chargeamt] points"
 			playsound(loc, 'sound/arcade/mana.ogg', 50, 1, extrarange = -3, falloff = 10)
@@ -221,7 +221,7 @@
 
 		if(emagged)
 			Reset()
-			emagged = 0
+			emagged = FALSE
 
 	add_fingerprint(usr)
 	updateUsrDialog()
@@ -241,7 +241,7 @@
 				message_admins("[key_name_admin(usr)] has outbombed Cuban Pete and been awarded a bomb.")
 				log_game("[key_name(usr)] has outbombed Cuban Pete and been awarded a bomb.")
 				Reset()
-				emagged = 0
+				emagged = FALSE
 			else
 				SSblackbox.inc("arcade_win_normal")
 				prizevend()
@@ -342,7 +342,7 @@
 	desc = "Learn how our ancestors got to Orion, and have fun in the process!"
 	icon_state = "arcade"
 	circuit = /obj/item/weapon/circuitboard/computer/arcade/orion_trail
-	var/busy = 0 //prevent clickspam that allowed people to ~speedrun~ the game.
+	var/busy = FALSE //prevent clickspam that allowed people to ~speedrun~ the game.
 	var/engine = 0
 	var/hull = 0
 	var/electronics = 0
@@ -440,7 +440,7 @@
 		if(emagged)
 			to_chat(user, "<span class='userdanger'><font size=3>You're never going to make it to Orion...</span></font>")
 			user.death()
-			emagged = 0 //removes the emagged status after you lose
+			emagged = FALSE //removes the emagged status after you lose
 			gameStatus = ORION_STATUS_START
 			name = "The Orion Trail"
 			desc = "Learn how our ancestors got to Orion, and have fun in the process!"
@@ -482,7 +482,7 @@
 
 	if(busy)
 		return
-	busy = 1
+	busy = TRUE
 
 	if (href_list["continue"]) //Continue your travels
 		if(gameStatus == ORION_STATUS_NORMAL && !event && turns != 7)
@@ -622,7 +622,7 @@
 						var/mob/living/L = usr
 						L.Stun(200, ignore_canstun = TRUE) //you can't run :^)
 					var/S = new /obj/singularity/academy(usr.loc)
-					emagged = 0 //immediately removes emagged status so people can't kill themselves by sprinting up and interacting
+					emagged = FALSE //immediately removes emagged status so people can't kill themselves by sprinting up and interacting
 					sleep(50)
 					say("[S] winks out, just as suddenly as it appeared.")
 					qdel(S)
@@ -646,7 +646,7 @@
 				say("The last crewmember [sheriff], shot themselves, GAME OVER!")
 				if(emagged)
 					usr.death(0)
-					emagged = 0
+					emagged = FALSE
 				gameStatus = ORION_STATUS_GAMEOVER
 				event = null
 			else if(emagged)
@@ -754,7 +754,7 @@
 
 	add_fingerprint(usr)
 	updateUsrDialog()
-	busy = 0
+	busy = FALSE
 	return
 
 
@@ -1036,7 +1036,7 @@
 		log_game("[key_name(usr)] made it to Orion on an emagged machine and got an explosive toy ship.")
 	else
 		prizevend()
-	emagged = 0
+	emagged = FALSE
 	name = "The Orion Trail"
 	desc = "Learn how our ancestors got to Orion, and have fun in the process!"
 
@@ -1046,7 +1046,7 @@
 		name = "The Orion Trail: Realism Edition"
 		desc = "Learn how our ancestors got to Orion, and try not to die in the process!"
 		newgame()
-		emagged = 1
+		emagged = TRUE
 
 /mob/living/simple_animal/hostile/syndicate/ranged/orion
 	name = "Spaceport Security"

code/game/machinery/computer/atmos_alert.dm

@@ -20,7 +20,7 @@
 		SSradio.remove_object(src, receive_frequency)
 	return ..()
 
-/obj/machinery/computer/atmos_alert/ui_interact(mob/user, ui_key = "main", datum/tgui/ui = null, force_open = 0, \
+/obj/machinery/computer/atmos_alert/ui_interact(mob/user, ui_key = "main", datum/tgui/ui = null, force_open = FALSE, \
 									datum/tgui/master_ui = null, datum/ui_state/state = GLOB.default_state)
 	ui = SStgui.try_update_ui(user, src, ui_key, ui, force_open)
 	if(!ui)

code/game/machinery/computer/atmos_control.dm

@@ -6,7 +6,7 @@
 	name = "gas sensor"
 	icon = 'icons/obj/stationobjs.dmi'
 	icon_state = "gsensor1"
-	anchored = 1
+	anchored = TRUE
 
 	var/on = TRUE
 
@@ -93,7 +93,7 @@
 		SSradio.remove_object(src, frequency)
 	return ..()
 
-/obj/machinery/computer/atmos_control/ui_interact(mob/user, ui_key = "main", datum/tgui/ui = null, force_open = 0, \
+/obj/machinery/computer/atmos_control/ui_interact(mob/user, ui_key = "main", datum/tgui/ui = null, force_open = FALSE, \
 									datum/tgui/master_ui = null, datum/ui_state/state = GLOB.default_state)
 	ui = SStgui.try_update_ui(user, src, ui_key, ui, force_open)
 	if(!ui)
@@ -176,7 +176,7 @@
 	for(var/obj/machinery/atmospherics/components/unary/vent_pump/U in devices)
 		U.broadcast_status()
 
-/obj/machinery/computer/atmos_control/tank/ui_interact(mob/user, ui_key = "main", datum/tgui/ui = null, force_open = 0, \
+/obj/machinery/computer/atmos_control/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.default_state)
 	ui = SStgui.try_update_ui(user, src, ui_key, ui, force_open)
 	if(!ui)

code/game/machinery/computer/buildandrepair.dm

@@ -12,7 +12,7 @@
 				to_chat(user, "<span class='notice'>You start wrenching the frame into place...</span>")
 				if(do_after(user, 20*P.toolspeed, target = src))
 					to_chat(user, "<span class='notice'>You wrench the frame into place.</span>")
-					anchored = 1
+					anchored = TRUE
 					state = 1
 				return
 			if(istype(P, /obj/item/weapon/weldingtool))
@@ -36,7 +36,7 @@
 				to_chat(user, "<span class='notice'>You start to unfasten the frame...</span>")
 				if(do_after(user, 20*P.toolspeed, target = src))
 					to_chat(user, "<span class='notice'>You unfasten the frame.</span>")
-					anchored = 0
+					anchored = FALSE
 					state = 0
 				return
 			if(istype(P, /obj/item/weapon/circuitboard/computer) && !circuit)
@@ -339,8 +339,8 @@
 	name = "Supply Console (Computer Board)"
 	build_path = /obj/machinery/computer/cargo
 	origin_tech = "programming=3"
-	var/contraband = 0
-	var/emagged = 0
+	var/contraband = FALSE
+	var/emagged = FALSE
 
 /obj/item/weapon/circuitboard/computer/cargo/attackby(obj/item/I, mob/user, params)
 	if(istype(I,/obj/item/device/multitool))

code/game/machinery/computer/camera.dm

@@ -150,7 +150,7 @@
 	icon = 'icons/obj/stationobjs.dmi'
 	icon_state = "telescreen"
 	network = list("thunder")
-	density = 0
+	density = FALSE
 	circuit = null
 	clockwork = TRUE //it'd look very weird
 
@@ -168,7 +168,7 @@
 	icon = 'icons/obj/status_display.dmi'
 	icon_state = "entertainment"
 	network = list("thunder")
-	density = 0
+	density = FALSE
 	circuit = null
 
 /obj/machinery/computer/security/wooden_tv

code/game/machinery/computer/cloning.dm

@@ -311,10 +311,10 @@
 		//No locking an open scanner.
 	else if ((href_list["lock"]) && !isnull(scanner) && scanner.is_operational())
 		if ((!scanner.locked) && (scanner.occupant))
-			scanner.locked = 1
+			scanner.locked = TRUE
 			playsound(src, 'sound/machines/terminal_prompt_deny.ogg', 50, 0)
 		else
-			scanner.locked = 0
+			scanner.locked = FALSE
 			playsound(src, 'sound/machines/terminal_prompt_confirm.ogg', 50, 0)
 
 	else if(href_list["view_rec"])

code/game/machinery/computer/communications.dm

@@ -301,7 +301,7 @@
 		if("RestoreBackup")
 			to_chat(usr, "<span class='notice'>Backup routing data restored!</span>")
 			playsound(src, 'sound/machines/terminal_prompt_confirm.ogg', 50, 0)
-			src.emagged = 0
+			emagged = FALSE
 			src.updateDialog()
 
 		if("nukerequest") //When there's no other way
@@ -399,7 +399,7 @@
 
 /obj/machinery/computer/communications/emag_act(mob/user)
 	if(!emagged)
-		src.emagged = 1
+		src.emagged = TRUE
 		if(authenticated == 1)
 			authenticated = 2
 		to_chat(user, "<span class='danger'>You scramble the communication routing circuits!</span>")

code/game/machinery/computer/computer.dm

@@ -2,8 +2,8 @@
 	name = "computer"
 	icon = 'icons/obj/computer.dmi'
 	icon_state = "computer"
-	density = 1
-	anchored = 1
+	density = TRUE
+	anchored = TRUE
 	use_power = IDLE_POWER_USE
 	idle_power_usage = 300
 	active_power_usage = 300
@@ -11,7 +11,7 @@
 	integrity_failure = 100
 	armor = list(melee = 0, bullet = 0, laser = 0, energy = 0, bomb = 0, bio = 0, rad = 0, fire = 40, acid = 20)
 	var/obj/item/weapon/circuitboard/computer/circuit = null // if circuit==null, computer can't disassembly
-	var/processing = 0
+	var/processing = FALSE
 	var/brightness_on = 2
 	var/icon_keyboard = "generic_key"
 	var/icon_screen = "generic"
@@ -120,7 +120,7 @@
 		if(circuit) //no circuit, no computer frame
 			var/obj/structure/frame/computer/A = new /obj/structure/frame/computer(src.loc)
 			A.circuit = circuit
-			A.anchored = 1
+			A.anchored = TRUE
 			if(stat & BROKEN)
 				if(user)
 					to_chat(user, "<span class='notice'>The broken glass falls out.</span>")

code/game/machinery/computer/dna_console.dm

@@ -21,7 +21,7 @@
 	desc = "Scan DNA."
 	icon_screen = "dna"
 	icon_keyboard = "med_key"
-	density = 1
+	density = TRUE
 	circuit = /obj/item/weapon/circuitboard/computer/scan_consolenew
 	var/radduration = 2
 	var/radstrength = 1
@@ -33,7 +33,7 @@
 	var/obj/machinery/dna_scannernew/connected = null
 	var/obj/item/weapon/disk/data/diskette = null
 	var/list/delayed_action = null
-	anchored = 1
+	anchored = TRUE
 	use_power = IDLE_POWER_USE
 	idle_power_usage = 10
 	active_power_usage = 400
@@ -463,7 +463,7 @@
 				radstrength = Wrap(radstrength, 1, RADIATION_STRENGTH_MAX+1)
 
 				var/locked_state = connected.locked
-				connected.locked = 1
+				connected.locked = TRUE
 
 				current_screen = "working"
 				ShowInterface(usr)

code/game/machinery/computer/gulag_teleporter.dm

@@ -37,7 +37,7 @@
 			to_chat(user, "<span class='notice'>There's an ID inserted already.</span>")
 	return ..()
 
-/obj/machinery/computer/gulag_teleporter_computer/ui_interact(mob/user, ui_key = "main", datum/tgui/ui = null, force_open = 0, \
+/obj/machinery/computer/gulag_teleporter_computer/ui_interact(mob/user, ui_key = "main", datum/tgui/ui = null, force_open = FALSE, \
 									datum/tgui/master_ui = null, datum/ui_state/state = GLOB.default_state)
 	ui = SStgui.try_update_ui(user, src, ui_key, ui, force_open)
 	if(!ui)

code/game/machinery/computer/message.dm

@@ -42,7 +42,7 @@
 /obj/machinery/computer/message_monitor/emag_act(mob/user)
 	if(!emagged)
 		if(!isnull(src.linkedServer))
-			emagged = 1
+			emagged = TRUE
 			screen = 2
 			spark_system.set_up(5, 0, src)
 			src.spark_system.start()
@@ -235,7 +235,7 @@
 	src.screen = 0 // Return the screen back to normal
 
 /obj/machinery/computer/message_monitor/proc/UnmagConsole()
-	src.emagged = 0
+	emagged = FALSE
 
 /obj/machinery/computer/message_monitor/proc/ResetMessage()
 	customsender 	= "System Administrator"

code/game/machinery/computer/station_alert.dm

@@ -8,7 +8,7 @@
 
 	light_color = LIGHT_COLOR_CYAN
 
-/obj/machinery/computer/station_alert/ui_interact(mob/user, ui_key = "main", datum/tgui/ui = null, force_open = 0, \
+/obj/machinery/computer/station_alert/ui_interact(mob/user, ui_key = "main", datum/tgui/ui = null, force_open = FALSE, \
 									datum/tgui/master_ui = null, datum/ui_state/state = GLOB.default_state)
 	ui = SStgui.try_update_ui(user, src, ui_key, ui, force_open)
 	if(!ui)

code/game/machinery/constructable_frame.dm

@@ -2,7 +2,7 @@
 	name = "frame"
 	icon = 'icons/obj/stock_parts.dmi'
 	icon_state = "box_0"
-	density = 1
+	density = TRUE
 	max_integrity = 250
 	var/obj/item/weapon/circuitboard/circuit = null
 	var/state = 1

code/game/machinery/deployable.dm

@@ -11,8 +11,8 @@
 /obj/structure/barricade
 	name = "chest high wall"
 	desc = "Looks like this would make good cover."
-	anchored = 1
-	density = 1
+	anchored = TRUE
+	density = TRUE
 	max_integrity = 100
 	var/proj_pass_rate = 50 //How many projectiles will pass the cover. Lower means stronger cover
 	var/material = METAL
@@ -88,8 +88,8 @@
 	desc = "A deployable barrier. Provides good cover in fire fights."
 	icon = 'icons/obj/objects.dmi'
 	icon_state = "barrier0"
-	density = 0
-	anchored = 0
+	density = FALSE
+	anchored = FALSE
 	max_integrity = 180
 	proj_pass_rate = 20
 	armor = list(melee = 10, bullet = 50, laser = 50, energy = 50, bomb = 10, bio = 100, rad = 100, fire = 10, acid = 0)
@@ -104,8 +104,8 @@
 
 /obj/structure/barricade/security/proc/deploy()
 	icon_state = "barrier1"
-	density = 1
-	anchored = 1
+	density = TRUE
+	anchored = TRUE
 	if(deploy_message)
 		visible_message("<span class='warning'>[src] deploys!</span>")
 

code/game/machinery/dna_scanner.dm

@@ -3,9 +3,9 @@
 	desc = "It scans DNA structures."
 	icon = 'icons/obj/Cryogenic2.dmi'
 	icon_state = "scanner"
-	density = 1
-	var/locked = 0
-	anchored = 1
+	density = TRUE
+	var/locked = FALSE
+	anchored = TRUE
 	use_power = IDLE_POWER_USE
 	idle_power_usage = 50
 	active_power_usage = 300
@@ -82,7 +82,7 @@
 /obj/machinery/dna_scannernew/container_resist(mob/living/user)
 	var/breakout_time = 2
 	if(state_open || !locked)	//Open and unlocked, no need to escape
-		state_open = 1
+		state_open = TRUE
 		return
 	user.changeNext_move(CLICK_CD_BREAKOUT)
 	user.last_special = world.time + CLICK_CD_BREAKOUT
@@ -93,7 +93,7 @@
 		if(!user || user.stat != CONSCIOUS || user.loc != src || state_open || !locked)
 			return
 
-		locked = 0
+		locked = FALSE
 		visible_message("<span class='warning'>[user] successfully broke out of [src]!</span>")
 		to_chat(user, "<span class='notice'>You successfully break out of [src]!</span>")
 

code/game/machinery/doors/airlock.dm

@@ -53,23 +53,23 @@
 
 	var/security_level = 0 //How much are wires secured
 	var/aiControlDisabled = 0 //If 1, AI control is disabled until the AI hacks back in and disables the lock. If 2, the AI has bypassed the lock. If -1, the control is enabled but the AI had bypassed it earlier, so if it is disabled again the AI would have no trouble getting back in.
-	var/hackProof = 0 // if 1, this door can't be hacked by the AI
+	var/hackProof = FALSE // if true, this door can't be hacked by the AI
 	var/secondsMainPowerLost = 0 //The number of seconds until power is restored.
 	var/secondsBackupPowerLost = 0 //The number of seconds until power is restored.
-	var/spawnPowerRestoreRunning = 0
-	var/lights = 1 // bolt lights show by default
+	var/spawnPowerRestoreRunning = FALSE
+	var/lights = TRUE // bolt lights show by default
 	secondsElectrified = 0 //How many seconds remain until the door is no longer electrified. -1 if it is permanently electrified until someone fixes it.
-	var/aiDisabledIdScanner = 0
-	var/aiHacking = 0
+	var/aiDisabledIdScanner = FALSE
+	var/aiHacking = FALSE
 	var/obj/machinery/door/airlock/closeOther = null
 	var/closeOtherId = null
-	var/lockdownbyai = 0
+	var/lockdownbyai = FALSE
 	assemblytype = /obj/structure/door_assembly/door_assembly_0
-	var/justzap = 0
+	var/justzap = FALSE
 	normalspeed = 1
 	var/obj/item/weapon/electronics/airlock/electronics = null
-	var/hasShocked = 0 //Prevents multiple shocks from happening
-	autoclose = 1
+	var/hasShocked = FALSE //Prevents multiple shocks from happening
+	autoclose = TRUE
 	var/obj/item/device/doorCharge/charge = null //If applied, causes an explosion upon opening the door
 	var/obj/item/weapon/note //Any papers pinned to the airlock
 	var/detonated = 0
@@ -165,7 +165,7 @@
 /obj/machinery/door/airlock/proc/bolt()
 	if(locked)
 		return
-	locked = 1
+	locked = TRUE
 	playsound(src,boltDown,30,0,3)
 	update_icon()
 
@@ -175,7 +175,7 @@
 /obj/machinery/door/airlock/proc/unbolt()
 	if(!locked)
 		return
-	locked = 0
+	locked = FALSE
 	playsound(src,boltUp,30,0,3)
 	update_icon()
 
@@ -227,13 +227,13 @@
 		if(src.isElectrified())
 			if(!src.justzap)
 				if(src.shock(user, 100))
-					src.justzap = 1
+					src.justzap = TRUE
 					spawn (10)
-						src.justzap = 0
+						justzap = FALSE
 					return
 			else /*if(src.justzap)*/
 				return
-		else if(user.hallucination > 50 && ishuman(user) && prob(10) && src.operating == 0)
+		else if(user.hallucination > 50 && ishuman(user) && prob(10) && src.operating == FALSE)
 			hallucinate_shock(user)
 			return
 	if (cyclelinkedairlock)
@@ -274,8 +274,8 @@
 
 /obj/machinery/door/airlock/proc/isElectrified()
 	if(src.secondsElectrified != NOT_ELECTRIFIED)
-		return 1
-	return 0
+		return TRUE
+	return FALSE
 
 /obj/machinery/door/airlock/proc/canAIControl(mob/user)
 	return ((aiControlDisabled != 1) && (!isAllPowerCut()));
@@ -284,7 +284,7 @@
 	return ((aiControlDisabled==1) && (!hackProof) && (!isAllPowerCut()));
 
 /obj/machinery/door/airlock/hasPower()
-	return ((secondsMainPowerLost == 0 || secondsBackupPowerLost == 0) && !(stat & NOPOWER))
+	return ((!secondsMainPowerLost || !secondsBackupPowerLost) && !(stat & NOPOWER))
 
 /obj/machinery/door/airlock/requiresID()
 	return !(wires.is_cut(WIRE_IDSCAN) || aiDisabledIdScanner)
@@ -303,7 +303,7 @@
 		if(src.secondsBackupPowerLost < 10)
 			src.secondsBackupPowerLost = 10
 	if(!src.spawnPowerRestoreRunning)
-		src.spawnPowerRestoreRunning = 1
+		spawnPowerRestoreRunning = TRUE
 		spawn(0)
 			var/cont = 1
 			while (cont)
@@ -322,7 +322,7 @@
 						secondsBackupPowerLost -= 1
 						updateDialog()
 					cont = 1
-			spawnPowerRestoreRunning = 0
+			spawnPowerRestoreRunning = FALSE
 			updateDialog()
 
 /obj/machinery/door/airlock/proc/loseBackupPower()
@@ -614,9 +614,9 @@
 		t1 += text("Main Power Input wire is cut.<br>\n")
 	if(wires.is_cut(WIRE_POWER2))
 		t1 += text("Main Power Output wire is cut.<br>\n")
-	if(src.secondsMainPowerLost == 0)
+	if(!secondsMainPowerLost)
 		t1 += text("<A href='?src=\ref[];aiDisable=2'>Temporarily disrupt main power?</a>.<br>\n", src)
-	if(src.secondsBackupPowerLost == 0)
+	if(!secondsBackupPowerLost)
 		t1 += text("<A href='?src=\ref[];aiDisable=3'>Temporarily disrupt backup power?</a>.<br>\n", src)
 
 	if(wires.is_cut(WIRE_BACKUP1))
@@ -683,17 +683,17 @@
 
 /obj/machinery/door/airlock/proc/hack(mob/user)
 	set waitfor = 0
-	if(src.aiHacking == 0)
-		src.aiHacking = 1
+	if(!aiHacking)
+		aiHacking = TRUE
 		to_chat(user, "Airlock AI control has been blocked. Beginning fault-detection.")
 		sleep(50)
 		if(src.canAIControl(user))
 			to_chat(user, "Alert cancelled. Airlock control has been restored without our assistance.")
-			src.aiHacking=0
+			aiHacking = FALSE
 			return
 		else if(!src.canAIHack())
 			to_chat(user, "Connection lost! Unable to hack airlock.")
-			src.aiHacking=0
+			aiHacking = FALSE
 			return
 		to_chat(user, "Fault confirmed: airlock control wire disabled or cut.")
 		sleep(20)
@@ -701,21 +701,21 @@
 		sleep(200)
 		if(src.canAIControl(user))
 			to_chat(user, "Alert cancelled. Airlock control has been restored without our assistance.")
-			src.aiHacking=0
+			aiHacking = FALSE
 			return
 		else if(!src.canAIHack())
 			to_chat(user, "Connection lost! Unable to hack airlock.")
-			src.aiHacking=0
+			aiHacking = FALSE
 			return
 		to_chat(user, "Upload access confirmed. Loading control program into airlock software.")
 		sleep(170)
 		if(src.canAIControl(user))
 			to_chat(user, "Alert cancelled. Airlock control has been restored without our assistance.")
-			src.aiHacking=0
+			aiHacking = FALSE
 			return
 		else if(!src.canAIHack())
 			to_chat(user, "Connection lost! Unable to hack airlock.")
-			src.aiHacking=0
+			aiHacking = FALSE
 			return
 		to_chat(user, "Transfer complete. Forcing airlock to execute program.")
 		sleep(50)
@@ -724,7 +724,7 @@
 		to_chat(user, "Receiving control information from airlock.")
 		sleep(10)
 		//bring up airlock dialog
-		src.aiHacking = 0
+		aiHacking = FALSE
 		if(user)
 			src.attack_ai(user)
 
@@ -793,17 +793,17 @@
 					else if(src.aiDisabledIdScanner)
 						to_chat(usr, "You've already disabled the IdScan feature.")
 					else
-						src.aiDisabledIdScanner = 1
+						aiDisabledIdScanner = TRUE
 				if(2)
 					//disrupt main power
-					if(src.secondsMainPowerLost == 0)
+					if(!secondsMainPowerLost)
 						src.loseMainPower()
 						update_icon()
 					else
 						to_chat(usr, "Main power is already offline.")
 				if(3)
 					//disrupt backup power
-					if(src.secondsBackupPowerLost == 0)
+					if(!secondsBackupPowerLost)
 						src.loseBackupPower()
 						update_icon()
 					else
@@ -826,7 +826,7 @@
 					if(wires.is_cut(WIRE_SAFETY))
 						to_chat(usr, text("Control to door sensors is disabled."))
 					else if (src.safe)
-						safe = 0
+						safe = FALSE
 					else
 						to_chat(usr, text("Firmware reports safeties already overriden."))
 
@@ -854,7 +854,7 @@
 					if(wires.is_cut(WIRE_LIGHT))
 						to_chat(usr, text("Control to door bolt lights has been severed.</a>"))
 					else if (src.lights)
-						lights = 0
+						lights = FALSE
 						update_icon()
 					else
 						to_chat(usr, text("Door bolt lights are already disabled!"))
@@ -862,7 +862,7 @@
 				if(11)
 					// Emergency access
 					if (src.emergency)
-						emergency = 0
+						emergency = FALSE
 						update_icon()
 					else
 						to_chat(usr, text("Emergency access is already disabled!"))
@@ -876,7 +876,7 @@
 					if(wires.is_cut(WIRE_IDSCAN))
 						to_chat(usr, "You can't enable IdScan - The IdScan wire has been cut.")
 					else if(src.aiDisabledIdScanner)
-						src.aiDisabledIdScanner = 0
+						aiDisabledIdScanner = FALSE
 					else
 						to_chat(usr, "The IdScan feature is not disabled.")
 				if(4)
@@ -928,7 +928,7 @@
 					if(wires.is_cut(WIRE_SAFETY))
 						to_chat(usr, text("Control to door sensors is disabled."))
 					else if (!src.safe)
-						safe = 1
+						safe = TRUE
 						src.updateUsrDialog()
 					else
 						to_chat(usr, text("Firmware reports safeties already in place."))
@@ -958,7 +958,7 @@
 					if(wires.is_cut(WIRE_LIGHT))
 						to_chat(usr, text("Control to door bolt lights has been severed.</a>"))
 					else if (!src.lights)
-						lights = 1
+						lights = TRUE
 						update_icon()
 						src.updateUsrDialog()
 					else
@@ -966,7 +966,7 @@
 				if(11)
 					// Emergency access
 					if (!src.emergency)
-						emergency = 1
+						emergency = TRUE
 						update_icon()
 					else
 						to_chat(usr, text("Emergency access is already enabled!"))
@@ -1147,7 +1147,7 @@
 			return
 		to_chat(user, "<span class='warning'>You apply [C]. Next time someone opens the door, it will explode.</span>")
 		user.drop_item()
-		panel_open = 0
+		panel_open = FALSE
 		update_icon()
 		C.forceMove(src)
 		charge = C
@@ -1231,7 +1231,7 @@
 	else if(locked)
 		to_chat(user, "<span class='warning'>The airlock's bolts prevent it from being forced!</span>")
 	else if( !welded && !operating)
-		if(beingcrowbarred == 0) //being fireaxe'd
+		if(!beingcrowbarred) //being fireaxe'd
 			var/obj/item/weapon/twohanded/fireaxe/F = I
 			if(F.wielded)
 				spawn(0)
@@ -1286,12 +1286,12 @@
 
 /obj/machinery/door/airlock/open(forced=0)
 	if( operating || welded || locked )
-		return 0
+		return FALSE
 	if(!forced)
 		if(!hasPower() || wires.is_cut(WIRE_OPEN))
-			return 0
+			return FALSE
 	if(charge && !detonated)
-		panel_open = 1
+		panel_open = TRUE
 		update_icon(AIRLOCK_OPENING)
 		visible_message("<span class='warning'>[src]'s panel is blown off in a spray of deadly shrapnel!</span>")
 		charge.loc = get_turf(src)
@@ -1306,7 +1306,7 @@
 		return
 	if(forced < 2)
 		if(emagged)
-			return 0
+			return FALSE
 		use_power(50)
 		playsound(src.loc, doorOpen, 30, 1)
 		if(src.closeOther != null && istype(src.closeOther, /obj/machinery/door/airlock/) && !src.closeOther.density)
@@ -1320,23 +1320,23 @@
 		addtimer(CALLBACK(src, .proc/autoclose), 15)
 
 	if(!density)
-		return 1
-	operating = 1
+		return TRUE
+	operating = TRUE
 	update_icon(AIRLOCK_OPENING, 1)
 	src.set_opacity(0)
 	sleep(5)
-	src.density = 0
+	density = FALSE
 	sleep(9)
 	src.layer = OPEN_DOOR_LAYER
 	update_icon(AIRLOCK_OPEN, 1)
 	set_opacity(0)
-	operating = 0
+	operating = FALSE
 	air_update_turf(1)
 	update_freelook_sight()
 	if(delayed_close_requested)
 		delayed_close_requested = FALSE
 		addtimer(CALLBACK(src, .proc/close), 2)
-	return 1
+	return TRUE
 
 
 /obj/machinery/door/airlock/close(forced=0)
@@ -1364,8 +1364,8 @@
 		killthis.ex_act(2)//Smashin windows
 
 	if(density)
-		return 1
-	operating = 1
+		return TRUE
+	operating = TRUE
 	update_icon(AIRLOCK_CLOSING, 1)
 	src.layer = CLOSED_DOOR_LAYER
 	if(air_tight)
@@ -1378,20 +1378,20 @@
 	update_icon(AIRLOCK_CLOSED, 1)
 	if(visible && !glass)
 		set_opacity(1)
-	operating = 0
+	operating = FALSE
 	delayed_close_requested = FALSE
 	air_update_turf(1)
 	update_freelook_sight()
 	if(safe)
 		CheckForMobs()
-	return 1
+	return TRUE
 
 /obj/machinery/door/airlock/proc/prison_open()
 	if(emagged)
 		return
-	src.locked = 0
+	locked = FALSE
 	src.open()
-	src.locked = 1
+	locked = TRUE
 	return
 
 
@@ -1465,18 +1465,18 @@
 
 /obj/machinery/door/airlock/emag_act(mob/user)
 	if(!operating && density && hasPower() && !emagged)
-		operating = 1
+		operating = TRUE
 		update_icon(AIRLOCK_EMAG, 1)
 		sleep(6)
 		if(QDELETED(src))
 			return
-		operating = 0
+		operating = FALSE
 		if(!open())
 			update_icon(AIRLOCK_CLOSED, 1)
-		emagged = 1
+		emagged = TRUE
 		desc = "<span class='warning'>Its access panel is smoking slightly.</span>"
-		lights = 0
-		locked = 1
+		lights = FALSE
+		locked = TRUE
 		loseMainPower()
 		loseBackupPower()
 
@@ -1528,7 +1528,7 @@
 	if(!(stat & BROKEN) && !(flags & NODECONSTRUCT))
 		stat |= BROKEN
 		if(!panel_open)
-			panel_open = 1
+			panel_open = TRUE
 		wires.cut_all()
 		update_icon()
 

code/game/machinery/doors/airlock_electronics.dm

@@ -5,7 +5,7 @@
 	var/list/accesses = list()
 	var/one_access = 0
 
-/obj/item/weapon/electronics/airlock/ui_interact(mob/user, ui_key = "main", datum/tgui/ui = null, force_open = 0, \
+/obj/item/weapon/electronics/airlock/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)
 	SStgui.try_update_ui(user, src, ui_key, ui, force_open)
 	if(!ui)

code/game/machinery/doors/airlock_types.dm

@@ -67,63 +67,63 @@
 	icon = 'icons/obj/doors/airlocks/station/command.dmi'
 	opacity = 0
 	assemblytype = /obj/structure/door_assembly/door_assembly_com/glass
-	glass = 1
+	glass = TRUE
 	normal_integrity = 400
 
 /obj/machinery/door/airlock/glass_engineering
 	icon = 'icons/obj/doors/airlocks/station/engineering.dmi'
 	opacity = 0
 	assemblytype = /obj/structure/door_assembly/door_assembly_eng/glass
-	glass = 1
+	glass = TRUE
 
 /obj/machinery/door/airlock/glass_security
 	icon = 'icons/obj/doors/airlocks/station/security.dmi'
 	opacity = 0
 	assemblytype = /obj/structure/door_assembly/door_assembly_sec/glass
-	glass = 1
+	glass = TRUE
 	normal_integrity = 400
 
 /obj/machinery/door/airlock/glass_medical
 	icon = 'icons/obj/doors/airlocks/station/medical.dmi'
 	opacity = 0
 	assemblytype = /obj/structure/door_assembly/door_assembly_med/glass
-	glass = 1
+	glass = TRUE
 
 /obj/machinery/door/airlock/glass_research
 	icon = 'icons/obj/doors/airlocks/station/research.dmi'
 	opacity = 0
 	assemblytype = /obj/structure/door_assembly/door_assembly_research/glass
-	glass = 1
+	glass = TRUE
 
 /obj/machinery/door/airlock/glass_mining
 	icon = 'icons/obj/doors/airlocks/station/mining.dmi'
 	opacity = 0
 	assemblytype = /obj/structure/door_assembly/door_assembly_min/glass
-	glass = 1
+	glass = TRUE
 
 /obj/machinery/door/airlock/glass_atmos
 	icon = 'icons/obj/doors/airlocks/station/atmos.dmi'
 	opacity = 0
 	assemblytype = /obj/structure/door_assembly/door_assembly_atmo/glass
-	glass = 1
+	glass = TRUE
 
 /obj/machinery/door/airlock/glass_science
 	icon = 'icons/obj/doors/airlocks/station/science.dmi'
 	opacity = 0
 	assemblytype = /obj/structure/door_assembly/door_assembly_science/glass
-	glass = 1
+	glass = TRUE
 
 /obj/machinery/door/airlock/glass_virology
 	icon = 'icons/obj/doors/airlocks/station/virology.dmi'
 	opacity = 0
 	assemblytype = /obj/structure/door_assembly/door_assembly_viro/glass
-	glass = 1
+	glass = TRUE
 
 /obj/machinery/door/airlock/glass_maintenance
 	icon = 'icons/obj/doors/airlocks/station/maintenance.dmi'
 	opacity = 0
 	assemblytype = /obj/structure/door_assembly/door_assembly_mai/glass
-	glass = 1
+	glass = TRUE
 
 //////////////////////////////////
 /*
@@ -227,7 +227,7 @@
 	overlays_file = 'icons/obj/doors/airlocks/shuttle/overlays.dmi'
 	opacity = 0
 	assemblytype = /obj/structure/door_assembly/door_assembly_titanium/glass
-	glass = 1
+	glass = TRUE
 	normal_integrity = 350
 
 //////////////////////////////////
@@ -241,7 +241,7 @@
 	overlays_file = 'icons/obj/doors/airlocks/station2/overlays.dmi'
 	opacity = 0
 	assemblytype = /obj/structure/door_assembly/door_assembly_glass
-	glass = 1
+	glass = TRUE
 
 //////////////////////////////////
 /*
@@ -262,7 +262,7 @@
 	overlays_file = 'icons/obj/doors/airlocks/external/overlays.dmi'
 	assemblytype = /obj/structure/door_assembly/door_assembly_ext/glass
 	opacity = 0
-	glass = 1
+	glass = TRUE
 
 //////////////////////////////////
 /*
@@ -352,7 +352,7 @@
 	damage_deflection = 30
 	opacity = 1
 	explosion_block = 3
-	hackProof = 1
+	hackProof = TRUE
 	aiControlDisabled = 1
 	normal_integrity = 700
 	security_level = 1
@@ -367,7 +367,7 @@
 	icon = 'icons/obj/doors/airlocks/cult/runed/cult.dmi'
 	overlays_file = 'icons/obj/doors/airlocks/cult/runed/overlays.dmi'
 	assemblytype = /obj/structure/door_assembly/door_assembly_cult
-	hackProof = 1
+	hackProof = TRUE
 	aiControlDisabled = 1
 	var/openingoverlaytype = /obj/effect/temp_visual/cult/door
 	var/friendly = FALSE
@@ -403,7 +403,7 @@
 
 /obj/machinery/door/airlock/cult/glass
 	assemblytype = /obj/structure/door_assembly/door_assembly_cult/glass
-	glass = 1
+	glass = TRUE
 	opacity = 0
 
 /obj/machinery/door/airlock/cult/glass/friendly
@@ -420,7 +420,7 @@
 
 /obj/machinery/door/airlock/cult/unruned/glass
 	assemblytype = /obj/structure/door_assembly/door_assembly_cult/unruned/glass
-	glass = 1
+	glass = TRUE
 	opacity = 0
 
 /obj/machinery/door/airlock/cult/unruned/glass/friendly
@@ -543,7 +543,7 @@
 	return 0
 
 /obj/machinery/door/airlock/clockwork/brass
-	glass = 1
+	glass = TRUE
 	opacity = 0
 
 //////////////////////////////////
@@ -558,7 +558,7 @@
 	note_overlay_file = 'icons/obj/doors/airlocks/glass_large/overlays.dmi'
 	opacity = 0
 	assemblytype = null
-	glass = 1
+	glass = TRUE
 	bound_width = 64 // 2x1
 
 /obj/machinery/door/airlock/glass_large/narsie_act()

code/game/machinery/doors/alarmlock.dm

@@ -5,11 +5,11 @@
 	overlays_file = 'icons/obj/doors/airlocks/station2/overlays.dmi'
 	opacity = 0
 	assemblytype = /obj/structure/door_assembly/door_assembly_glass
-	glass = 1
+	glass = TRUE
 
 	var/datum/radio_frequency/air_connection
 	var/air_frequency = 1437
-	autoclose = 0
+	autoclose = FALSE
 
 /obj/machinery/door/airlock/alarmlock/New()
 	..()
@@ -39,8 +39,8 @@
 	if(alarm_area == our_area.name)
 		switch(alert)
 			if("severe")
-				autoclose = 1
+				autoclose = TRUE
 				close()
 			if("minor", "clear")
-				autoclose = 0
+				autoclose = FALSE
 				open()

code/game/machinery/doors/brigdoors.dm

@@ -24,8 +24,8 @@
 	icon_state = "frame"
 	desc = "A remote control for a door."
 	req_access = list(GLOB.access_security)
-	anchored = 1
-	density = 0
+	anchored = TRUE
+	density = FALSE
 	var/id = null // id of linked machinery/lockers
 
 	var/activation_time = 0
@@ -101,7 +101,7 @@
 			continue
 		if(C.opened && !C.close())
 			continue
-		C.locked = 1
+		C.locked = TRUE
 		C.update_icon()
 	return 1
 
@@ -130,7 +130,7 @@
 			continue
 		if(C.opened)
 			continue
-		C.locked = 0
+		C.locked = FALSE
 		C.update_icon()
 
 	return 1
@@ -146,7 +146,7 @@
 	. = new_time == timer_duration //return 1 on no change
 	timer_duration = new_time
 
-/obj/machinery/door_timer/ui_interact(mob/user, ui_key = "main", datum/tgui/ui = null, force_open = 0, \
+/obj/machinery/door_timer/ui_interact(mob/user, ui_key = "main", datum/tgui/ui = null, force_open = FALSE, \
 										datum/tgui/master_ui = null, datum/ui_state/state = GLOB.default_state)
 	ui = SStgui.try_update_ui(user, src, ui_key, ui, force_open)
 	if(!ui)

code/game/machinery/doors/door.dm

@@ -3,9 +3,9 @@
 	desc = "It opens and closes."
 	icon = 'icons/obj/doors/Doorint.dmi'
 	icon_state = "door1"
-	anchored = 1
+	anchored = TRUE
 	opacity = 1
-	density = 1
+	density = TRUE
 	layer = OPEN_DOOR_LAYER
 	power_channel = ENVIRON
 	max_integrity = 350
@@ -15,18 +15,18 @@
 
 	var/secondsElectrified = 0
 	var/shockedby = list()
-	var/visible = 1
-	var/operating = 0
-	var/glass = 0
-	var/welded = 0
+	var/visible = TRUE
+	var/operating = FALSE
+	var/glass = FALSE
+	var/welded = FALSE
 	var/normalspeed = 1
-	var/heat_proof = 0 // For rglass-windowed airlocks and firedoors
-	var/emergency = 0 // Emergency access override
-	var/sub_door = 0 // 1 if it's meant to go under another door.
+	var/heat_proof = FALSE // For rglass-windowed airlocks and firedoors
+	var/emergency = FALSE // Emergency access override
+	var/sub_door = FALSE // true if it's meant to go under another door.
 	var/closingLayer = CLOSED_DOOR_LAYER
-	var/autoclose = 0 //does it automatically close after some time
-	var/safe = 1 //whether the door detects things and mobs in its way and reopen or crushes them.
-	var/locked = 0 //whether the door is bolted or not.
+	var/autoclose = FALSE //does it automatically close after some time
+	var/safe = TRUE //whether the door detects things and mobs in its way and reopen or crushes them.
+	var/locked = FALSE //whether the door is bolted or not.
 	var/assemblytype //the type of door frame to drop during deconstruction
 	var/auto_close //TO BE REMOVED, no longer used, it's just preventing a runtime with a map var edit.
 	var/datum/effect_system/spark_spread/spark_system
@@ -50,7 +50,7 @@
 	explosion_block = EXPLOSION_BLOCK_PROC
 
 /obj/machinery/door/Destroy()
-	density = 0
+	density = FALSE
 	air_update_turf(1)
 	update_freelook_sight()
 	GLOB.airlocks -= src
@@ -232,16 +232,16 @@
 		return 1
 	if(operating)
 		return
-	operating = 1
+	operating = TRUE
 	do_animate("opening")
 	set_opacity(0)
 	sleep(5)
-	density = 0
+	density = FALSE
 	sleep(5)
 	layer = OPEN_DOOR_LAYER
 	update_icon()
 	set_opacity(0)
-	operating = 0
+	operating = FALSE
 	air_update_turf(1)
 	update_freelook_sight()
 	if(autoclose)
@@ -260,17 +260,17 @@
 				if(autoclose)
 					addtimer(CALLBACK(src, .proc/autoclose), 60)
 				return
-	operating = 1
+	operating = TRUE
 
 	do_animate("closing")
 	layer = closingLayer
 	sleep(5)
-	density = 1
+	density = TRUE
 	sleep(5)
 	update_icon()
 	if(visible && !glass)
 		set_opacity(1)
-	operating = 0
+	operating = FALSE
 	air_update_turf(1)
 	update_freelook_sight()
 	if(safe)

code/game/machinery/doors/firedoor.dm

@@ -10,13 +10,13 @@
 	icon = 'icons/obj/doors/Doorfireglass.dmi'
 	icon_state = "door_open"
 	opacity = 0
-	density = 0
+	density = FALSE
 	max_integrity = 300
 	resistance_flags = FIRE_PROOF
-	heat_proof = 1
-	glass = 1
+	heat_proof = TRUE
+	glass = TRUE
 	var/nextstate = null
-	sub_door = 1
+	sub_door = TRUE
 	explosion_block = 1
 	safe = FALSE
 	closingLayer = CLOSED_FIREDOOR_LAYER
@@ -237,7 +237,7 @@
 /obj/machinery/door/firedoor/heavy
 	name = "heavy firelock"
 	icon = 'icons/obj/doors/Doorfire.dmi'
-	glass = 0
+	glass = FALSE
 	explosion_block = 2
 	assemblytype = /obj/structure/firelock_frame/heavy
 	max_integrity = 550
@@ -253,8 +253,8 @@
 	desc = "A partially completed firelock."
 	icon = 'icons/obj/doors/Doorfire.dmi'
 	icon_state = "frame1"
-	anchored = 0
-	density = 1
+	anchored = FALSE
+	density = TRUE
 	var/constructionStep = CONSTRUCTION_NOCIRCUIT
 	var/reinforced = 0
 

code/game/machinery/doors/poddoor.dm

@@ -4,10 +4,10 @@
 	icon = 'icons/obj/doors/blastdoor.dmi'
 	icon_state = "closed"
 	var/id = 1
-	sub_door = 1
+	sub_door = TRUE
 	explosion_block = 3
-	heat_proof = 1
-	safe = 0
+	heat_proof = TRUE
+	safe = FALSE
 	max_integrity = 600
 	armor = list(melee = 50, bullet = 100, laser = 100, energy = 100, bomb = 50, bio = 100, rad = 100, fire = 100, acid = 70)
 	resistance_flags = FIRE_PROOF
@@ -15,7 +15,7 @@
 
 /obj/machinery/door/poddoor/preopen
 	icon_state = "open"
-	density = 0
+	density = FALSE
 	opacity = 0
 
 /obj/machinery/door/poddoor/ert

code/game/machinery/doors/shutters.dm

@@ -8,7 +8,7 @@
 
 /obj/machinery/door/poddoor/shutters/preopen
 	icon_state = "open"
-	density = 0
+	density = FALSE
 	opacity = 0
 
 

code/game/machinery/doors/unpowered.dm

@@ -21,5 +21,5 @@
 	name = "door"
 	icon_state = "door1"
 	opacity = 1
-	density = 1
+	density = TRUE
 	explosion_block = 1

code/game/machinery/doors/windowdoor.dm

@@ -10,7 +10,7 @@
 	max_integrity = 150 //If you change this, consider changing ../door/window/brigdoor/ max_integrity at the bottom of this .dm file
 	integrity_failure = 0
 	armor = list(melee = 20, bullet = 50, laser = 50, energy = 50, bomb = 10, bio = 100, rad = 100, fire = 70, acid = 100)
-	visible = 0
+	visible = FALSE
 	flags = ON_BORDER
 	opacity = 0
 	CanAtmosPass = ATMOS_PASS_PROC
@@ -36,7 +36,7 @@
 		debris += new /obj/item/stack/cable_coil(src, cable)
 
 /obj/machinery/door/window/Destroy()
-	density = 0
+	density = FALSE
 	for(var/I in debris)
 		qdel(I)
 	if(obj_integrity == 0)
@@ -135,19 +135,19 @@
 		if(emagged)
 			return 0
 	if(!src.operating) //in case of emag
-		src.operating = 1
+		operating = TRUE
 	do_animate("opening")
 	playsound(src.loc, 'sound/machines/windowdoor.ogg', 100, 1)
 	src.icon_state ="[src.base_state]open"
 	sleep(10)
 
-	src.density = 0
+	density = FALSE
 //	src.sd_set_opacity(0)	//TODO: why is this here? Opaque windoors? ~Carn
 	air_update_turf(1)
 	update_freelook_sight()
 
 	if(operating == 1) //emag again
-		src.operating = 0
+		operating = FALSE
 	return 1
 
 /obj/machinery/door/window/close(forced=0)
@@ -159,17 +159,17 @@
 	if(forced < 2)
 		if(emagged)
 			return 0
-	src.operating = 1
+	operating = TRUE
 	do_animate("closing")
 	playsound(src.loc, 'sound/machines/windowdoor.ogg', 100, 1)
 	src.icon_state = src.base_state
 
-	src.density = 1
+	density = TRUE
 	air_update_turf(1)
 	update_freelook_sight()
 	sleep(10)
 
-	src.operating = 0
+	operating = FALSE
 	return 1
 
 /obj/machinery/door/window/play_attack_sound(damage_amount, damage_type = BRUTE, damage_flag = 0)
@@ -206,13 +206,13 @@
 
 /obj/machinery/door/window/emag_act(mob/user)
 	if(!operating && density && !emagged)
-		operating = 1
+		operating = TRUE
 		flick("[src.base_state]spark", src)
 		sleep(6)
-		operating = 0
+		operating = FALSE
 		desc += "<BR><span class='warning'>Its access panel is smoking slightly.</span>"
 		open()
-		emagged = 1
+		emagged = TRUE
 
 /obj/machinery/door/window/attackby(obj/item/weapon/I, mob/living/user, params)
 
@@ -245,11 +245,11 @@
 								WA.facing = "r"
 							if("leftsecure")
 								WA.facing = "l"
-								WA.secure = 1
+								WA.secure = TRUE
 							if("rightsecure")
 								WA.facing = "r"
-								WA.secure = 1
-						WA.anchored = 1
+								WA.secure = TRUE
+						WA.anchored = TRUE
 						WA.state= "02"
 						WA.setDir(src.dir)
 						WA.ini_dir = src.dir

code/game/machinery/doppler_array.dm

@@ -5,8 +5,8 @@ GLOBAL_LIST_EMPTY(doppler_arrays)
 	desc = "A highly precise directional sensor array which measures the release of quants from decaying tachyons. The doppler shifting of the mirror-image formed by these quants can reveal the size, location and temporal affects of energetic disturbances within a large radius ahead of the array.\n<span class='notice'>Alt-click to rotate it clockwise.</span>"
 	icon = 'icons/obj/machines/research.dmi'
 	icon_state = "tdoppler"
-	density = 1
-	anchored = 1
+	density = TRUE
+	anchored = TRUE
 	var/integrated = 0
 	var/max_dist = 100
 	verb_say = "states coldly"
@@ -25,11 +25,11 @@ GLOBAL_LIST_EMPTY(doppler_arrays)
 /obj/machinery/doppler_array/attackby(obj/item/O, mob/user, params)
 	if(istype(O, /obj/item/weapon/wrench))
 		if(!anchored && !isinspace())
-			anchored = 1
+			anchored = TRUE
 			power_change()
 			to_chat(user, "<span class='notice'>You fasten [src].</span>")
 		else if(anchored)
-			anchored = 0
+			anchored = FALSE
 			power_change()
 			to_chat(user, "<span class='notice'>You unfasten [src].</span>")
 		playsound(loc, O.usesound, 50, 1)

code/game/machinery/droneDispenser.dm

@@ -10,8 +10,8 @@
 
 	icon = 'icons/obj/machines/droneDispenser.dmi'
 	icon_state = "on"
-	anchored = 1
-	density = 1
+	anchored = TRUE
+	density = TRUE
 
 	max_integrity = 250
 	integrity_failure = 80

code/game/machinery/embedded_controller/access_controller.dm

@@ -6,7 +6,7 @@
 
 /obj/machinery/doorButtons
 	power_channel = ENVIRON
-	anchored = 1
+	anchored = TRUE
 	use_power = IDLE_POWER_USE
 	idle_power_usage = 2
 	active_power_usage = 4
@@ -28,7 +28,7 @@
 
 /obj/machinery/doorButtons/emag_act(mob/user)
 	if(!emagged)
-		emagged = 1
+		emagged = TRUE
 		req_access = list()
 		req_one_access = list()
 		playsound(src.loc, "sparks", 100, 1)
@@ -67,7 +67,7 @@
 	if(controller && !controller.busy && door)
 		if(controller.stat & NOPOWER)
 			return
-		busy = 1
+		busy = TRUE
 		update_icon()
 		if(door.density)
 			if(!controller.exteriorAirlock || !controller.interiorAirlock)
@@ -80,7 +80,7 @@
 		else
 			controller.onlyClose(door)
 		sleep(20)
-		busy = 0
+		busy = FALSE
 		update_icon()
 
 /obj/machinery/doorButtons/access_button/update_icon()
@@ -218,7 +218,7 @@
 
 /obj/machinery/doorButtons/airlock_controller/proc/goIdle(update)
 	lostPower = 0
-	busy = 0
+	busy = FALSE
 	if(update)
 		update_icon()
 	updateUsrDialog()

code/game/machinery/embedded_controller/airlock_controller.dm

@@ -206,7 +206,7 @@
 	icon_state = "airlock_control_standby"
 
 	name = "airlock console"
-	density = 0
+	density = FALSE
 
 	frequency = 1449
 	power_channel = ENVIRON

code/game/machinery/embedded_controller/embedded_controller_base.dm

@@ -21,10 +21,10 @@
 	var/datum/computer/file/embedded_program/program
 
 	name = "embedded controller"
-	density = 0
-	anchored = 1
+	density = FALSE
+	anchored = TRUE
 
-	var/on = 1
+	var/on = TRUE
 
 /obj/machinery/embedded_controller/interact(mob/user)
 	user.set_machine(src)

code/game/machinery/embedded_controller/simple_vent_controller.dm

@@ -43,7 +43,7 @@
 	icon_state = "airlock_control_standby"
 
 	name = "vent controller"
-	density = 0
+	density = FALSE
 
 	frequency = 1229
 	power_channel = ENVIRON

code/game/machinery/firealarm.dm

@@ -14,7 +14,7 @@
 	desc = "<i>\"Pull this in case of emergency\"</i>. Thus, keep pulling it forever."
 	icon = 'icons/obj/monitors.dmi'
 	icon_state = "fire0"
-	anchored = 1
+	anchored = TRUE
 	max_integrity = 250
 	integrity_failure = 100
 	armor = list(melee = 0, bullet = 0, laser = 0, energy = 0, bomb = 0, bio = 100, rad = 100, fire = 90, acid = 30)
@@ -33,7 +33,7 @@
 		src.setDir(dir)
 	if(building)
 		buildstage = 0
-		panel_open = 1
+		panel_open = TRUE
 		pixel_x = (dir & 3)? 0 : (dir == 4 ? -24 : 24)
 		pixel_y = (dir & 3)? (dir ==1 ? -24 : 24) : 0
 	update_icon()
@@ -79,7 +79,7 @@
 
 /obj/machinery/firealarm/emag_act(mob/user)
 	if(!emagged)
-		emagged = 1
+		emagged = TRUE
 		if(user)
 			user.visible_message("<span class='warning'>Sparks fly out of the [src]!</span>",
 								"<span class='notice'>You emag [src], disabling its thermal sensors.</span>")
@@ -109,7 +109,7 @@
 /obj/machinery/firealarm/proc/reset_in(time)
 	addtimer(CALLBACK(src, .proc/reset), time)
 
-/obj/machinery/firealarm/ui_interact(mob/user, ui_key = "main", datum/tgui/ui = null, force_open = 0, \
+/obj/machinery/firealarm/ui_interact(mob/user, ui_key = "main", datum/tgui/ui = null, force_open = FALSE, \
 									datum/tgui/master_ui = null, datum/ui_state/state = GLOB.default_state)
 	ui = SStgui.try_update_ui(user, src, ui_key, ui, force_open)
 	if(!ui)

code/game/machinery/flasher.dm

@@ -13,16 +13,16 @@
 	var/base_state = "mflash"
 	max_integrity = 250
 	integrity_failure = 100
-	anchored = 1
+	anchored = TRUE
 
 /obj/machinery/flasher/portable //Portable version of the flasher. Only flashes when anchored
 	name = "portable flasher"
 	desc = "A portable flashing device. Wrench to activate and deactivate. Cannot detect slow movements."
 	icon_state = "pflash1-p"
 	strength = 80
-	anchored = 0
+	anchored = FALSE
 	base_state = "pflash"
-	density = 1
+	density = TRUE
 
 /obj/machinery/flasher/New(loc, ndir = 0, built = 0)
 	..() // ..() is EXTREMELY IMPORTANT, never forget to add it
@@ -173,13 +173,13 @@
 		if (!anchored && !isinspace())
 			to_chat(user, "<span class='notice'>[src] is now secured.</span>")
 			add_overlay("[base_state]-s")
-			anchored = 1
+			anchored = TRUE
 			power_change()
 			proximity_monitor.SetRange(range)
 		else
 			to_chat(user, "<span class='notice'>[src] can now be moved.</span>")
 			cut_overlays()
-			anchored = 0
+			anchored = FALSE
 			power_change()
 			proximity_monitor.SetRange(0)
 

code/game/machinery/gulag_item_reclaimer.dm

@@ -4,8 +4,8 @@
 	icon = 'icons/obj/terminals.dmi'
 	icon_state = "dorm_taken"
 	req_access = list(GLOB.access_security) //reqaccess to access all stored items
-	density = 0
-	anchored = 1
+	density = FALSE
+	anchored = TRUE
 	use_power = IDLE_POWER_USE
 	idle_power_usage = 100
 	active_power_usage = 2500
@@ -27,7 +27,7 @@
 /obj/machinery/gulag_item_reclaimer/emag_act(mob/user)
 	if(!emagged) // emagging lets anyone reclaim all the items
 		req_access = list()
-		emagged = 1
+		emagged = TRUE
 
 /obj/machinery/gulag_item_reclaimer/attackby(obj/item/I, mob/user)
 	if(istype(I, /obj/item/weapon/card/id/prisoner))
@@ -42,7 +42,7 @@
 			to_chat(user, "<span class='notice'>There's an ID inserted already.</span>")
 	return ..()
 
-/obj/machinery/gulag_item_reclaimer/ui_interact(mob/user, ui_key = "main", datum/tgui/ui = null, force_open = 0, \
+/obj/machinery/gulag_item_reclaimer/ui_interact(mob/user, ui_key = "main", datum/tgui/ui = null, force_open = FALSE, \
 									datum/tgui/master_ui = null, datum/ui_state/state = GLOB.default_state)
 	ui = SStgui.try_update_ui(user, src, ui_key, ui, force_open)
 	if(!ui)

code/game/machinery/gulag_teleporter.dm

@@ -11,9 +11,9 @@ The console is located at computer/gulag_teleporter.dm
 	desc = "A bluespace teleporter used for teleporting prisoners to the labor camp."
 	icon = 'icons/obj/machines/implantchair.dmi'
 	icon_state = "implantchair"
-	state_open = 0
-	density = 1
-	anchored = 1
+	state_open = FALSE
+	density = TRUE
+	anchored = TRUE
 	use_power = IDLE_POWER_USE
 	idle_power_usage = 200
 	active_power_usage = 5000

code/game/machinery/hologram.dm

@@ -34,7 +34,7 @@ Possible to do for anyone motivated enough:
 	icon_state = "holopad0"
 	layer = LOW_OBJ_LAYER
 	flags = HEAR
-	anchored = 1
+	anchored = TRUE
 	use_power = IDLE_POWER_USE
 	idle_power_usage = 5
 	active_power_usage = 100
@@ -295,7 +295,7 @@ Possible to do for anyone motivated enough:
 		Hologram.copy_known_languages_from(user,replace = TRUE)
 		Hologram.mouse_opacity = 0//So you can't click on it.
 		Hologram.layer = FLY_LAYER//Above all the other objects/mobs. Or the vast majority of them.
-		Hologram.anchored = 1//So space wind cannot drag it.
+		Hologram.anchored = TRUE//So space wind cannot drag it.
 		Hologram.name = "[user.name] (Hologram)"//If someone decides to right click.
 		Hologram.set_light(2)	//hologram lighting
 

code/game/machinery/igniter.dm

@@ -4,8 +4,8 @@
 	icon = 'icons/obj/stationobjs.dmi'
 	icon_state = "igniter1"
 	var/id = null
-	var/on = 1
-	anchored = 1
+	var/on = TRUE
+	anchored = TRUE
 	use_power = IDLE_POWER_USE
 	idle_power_usage = 2
 	active_power_usage = 4
@@ -58,7 +58,7 @@
 	var/last_spark = 0
 	var/base_state = "migniter"
 	var/datum/effect_system/spark_spread/spark_system
-	anchored = 1
+	anchored = TRUE
 	resistance_flags = FIRE_PROOF
 
 /obj/machinery/sparker/New()

code/game/machinery/iv_drip.dm

@@ -2,7 +2,7 @@
 	name = "\improper IV drip"
 	icon = 'icons/obj/iv_drip.dmi'
 	icon_state = "iv_drip"
-	anchored = 0
+	anchored = FALSE
 	mouse_drag_pointer = MOUSE_ACTIVE_POINTER
 	var/mob/living/carbon/attached = null
 	var/mode = 1 // 1 is injecting, 0 is taking blood.

code/game/machinery/launch_pad.dm

@@ -259,7 +259,7 @@
 	var/sending = TRUE
 	var/obj/machinery/launchpad/briefcase/pad
 
-/obj/item/device/launchpad_remote/ui_interact(mob/user, ui_key = "launchpad_remote", datum/tgui/ui = null, force_open = 0, datum/tgui/master_ui = null, datum/ui_state/state = GLOB.default_state)
+/obj/item/device/launchpad_remote/ui_interact(mob/user, ui_key = "launchpad_remote", datum/tgui/ui = null, force_open = FALSE, datum/tgui/master_ui = null, datum/ui_state/state = GLOB.default_state)
 	ui = SStgui.try_update_ui(user, src, ui_key, ui, force_open)
 	if(!ui)
 		ui = new(user, src, ui_key, "launchpad_remote", "Briefcase Launchpad Remote", 550, 400, master_ui, state) //width, height

code/game/machinery/lightswitch.dm

@@ -5,8 +5,8 @@
 	name = "light switch"
 	icon = 'icons/obj/power.dmi'
 	icon_state = "light1"
-	anchored = 1
-	var/on = 1
+	anchored = TRUE
+	var/on = TRUE
 	var/area/area = null
 	var/otherarea = null
 	//	luminosity = 1

code/game/machinery/limbgrower.dm

@@ -9,16 +9,16 @@
 	desc = "It grows new limbs using Synthflesh."
 	icon = 'icons/obj/machines/limbgrower.dmi'
 	icon_state = "limbgrower_idleoff"
-	density = 1
+	density = TRUE
 	container_type = OPENCONTAINER
 
-	var/operating = 0
-	anchored = 1
+	var/operating = FALSE
+	anchored = TRUE
 	use_power = IDLE_POWER_USE
 	var/disabled = 0
 	idle_power_usage = 10
 	active_power_usage = 100
-	var/busy = 0
+	var/busy = FALSE
 	var/prod_coeff = 1
 
 	var/datum/design/being_built
@@ -117,7 +117,7 @@
 			var/power = max(2000, synth_cost/5)
 
 			if(reagents.has_reagent("synthflesh", being_built.reagents_list["synthflesh"]*prod_coeff))
-				busy = 1
+				busy = TRUE
 				use_power(power)
 				flick("limbgrower_fill",src)
 				icon_state = "limbgrower_idleon"
@@ -140,7 +140,7 @@
 			new buildpath(loc)
 	else
 		src.visible_message("<span class=\"error\"> Something went very wrong and there isnt enough synthflesh anymore!</span>")
-	busy = 0
+	busy = FALSE
 	flick("limbgrower_unfill",src)
 	icon_state = "limbgrower_idleoff"
 	updateUsrDialog()

code/game/machinery/machinery.dm

@@ -102,7 +102,7 @@ Class Procs:
 	max_integrity = 200
 
 	var/stat = 0
-	var/emagged = 0
+	var/emagged = FALSE
 	var/use_power = IDLE_POWER_USE
 		//0 = dont run the auto
 		//1 = run auto, use idle
@@ -114,13 +114,13 @@ Class Procs:
 	var/list/component_parts = null //list of all the parts used to build it, if made from certain kinds of frames.
 	var/uid
 	var/global/gl_uid = 1
-	var/panel_open = 0
-	var/state_open = 0
+	var/panel_open = FALSE
+	var/state_open = FALSE
 	var/critical_machine = FALSE //If this machine is critical to station operation and should have the area be excempted from power failures.
 	var/list/occupant_typecache = list(/mob/living) // turned into typecache in Initialize
 	var/atom/movable/occupant = null
 	var/unsecuring_tool = /obj/item/weapon/wrench
-	var/interact_open = 0 // Can the machine be interacted with when in maint/when the panel is open.
+	var/interact_open = FALSE // Can the machine be interacted with when in maint/when the panel is open.
 	var/interact_offline = 0 // Can the machine be interacted with while de-powered.
 	var/speed_process = 0 // Process as fast as possible?
 
@@ -162,8 +162,8 @@ Class Procs:
 	..()
 
 /obj/machinery/proc/open_machine(drop = 1)
-	state_open = 1
-	density = 0
+	state_open = TRUE
+	density = FALSE
 	if(drop)
 		dropContents()
 	update_icon()
@@ -179,8 +179,8 @@ Class Procs:
 	occupant = null
 
 /obj/machinery/proc/close_machine(atom/movable/target = null)
-	state_open = 0
-	density = 1
+	state_open = FALSE
+	density = TRUE
 	if(!target)
 		for(var/am in loc)
 			if(!is_type_in_typecache(am, occupant_typecache))
@@ -351,11 +351,11 @@ Class Procs:
 	if(istype(S) &&  !(flags & NODECONSTRUCT))
 		playsound(loc, S.usesound, 50, 1)
 		if(!panel_open)
-			panel_open = 1
+			panel_open = TRUE
 			icon_state = icon_state_open
 			to_chat(user, "<span class='notice'>You open the maintenance hatch of [src].</span>")
 		else
-			panel_open = 0
+			panel_open = FALSE
 			icon_state = icon_state_closed
 			to_chat(user, "<span class='notice'>You close the maintenance hatch of [src].</span>")
 		return 1

code/game/machinery/magnet.dm

@@ -12,7 +12,7 @@
 	desc = "A device that uses station power to create points of magnetic energy."
 	level = 1		// underfloor
 	layer = LOW_OBJ_LAYER
-	anchored = 1
+	anchored = TRUE
 	use_power = IDLE_POWER_USE
 	idle_power_usage = 50
 
@@ -21,7 +21,7 @@
 	var/magnetic_field = 1 // the range of magnetic attraction
 	var/code = 0 // frequency code, they should be different unless you have a group of magnets working together or something
 	var/turf/center // the center of magnetic attraction
-	var/on = 0
+	var/on = FALSE
 	var/pulling = 0
 
 	// x, y modifiers to the center turf; (0, 0) is centered on the magnet, whereas (1, -1) is one tile right, one tile down
@@ -140,7 +140,7 @@
 
 /obj/machinery/magnetic_module/process()
 	if(stat & NOPOWER)
-		on = 0
+		on = FALSE
 
 	// Sanity checks:
 	if(electricity_level <= 0)
@@ -197,8 +197,8 @@
 	name = "magnetic control console"
 	icon = 'icons/obj/airlock_machines.dmi' // uses an airlock machine icon, THINK GREEN HELP THE ENVIRONMENT - RECYCLING!
 	icon_state = "airlock_control_standby"
-	density = 0
-	anchored = 1
+	density = FALSE
+	anchored = TRUE
 	use_power = IDLE_POWER_USE
 	idle_power_usage = 45
 	var/frequency = 1449

code/game/machinery/mass_driver.dm

@@ -3,7 +3,7 @@
 	desc = "The finest in spring-loaded piston toy technology, now on a space station near you."
 	icon = 'icons/obj/stationobjs.dmi'
 	icon_state = "mass_driver"
-	anchored = 1
+	anchored = TRUE
 	use_power = IDLE_POWER_USE
 	idle_power_usage = 2
 	active_power_usage = 50

code/game/machinery/navbeacon.dm

@@ -9,12 +9,12 @@
 	desc = "A radio beacon used for bot navigation."
 	level = 1		// underfloor
 	layer = LOW_OBJ_LAYER
-	anchored = 1
+	anchored = TRUE
 	max_integrity = 500
 	armor = list(melee = 70, bullet = 70, laser = 70, energy = 70, bomb = 0, bio = 0, rad = 0, fire = 80, acid = 80)
 
-	var/open = 0		// true if cover is open
-	var/locked = 1		// true if controls are locked
+	var/open = FALSE		// true if cover is open
+	var/locked = TRUE		// true if controls are locked
 	var/freq = 1445		// radio frequency
 	var/location = ""	// location response text
 	var/list/codes		// assoc. list of transponder codes

code/game/machinery/newscaster.dm

@@ -17,7 +17,7 @@ GLOBAL_LIST_EMPTY(allCasters)
 	var/icon/img = null
 	var/time_stamp = ""
 	var/list/datum/newscaster/feed_comment/comments = list()
-	var/locked = 0
+	var/locked = FALSE
 	var/caption = ""
 	var/creationTime
 	var/authorCensor
@@ -58,7 +58,7 @@ GLOBAL_LIST_EMPTY(allCasters)
 /datum/newscaster/feed_channel
 	var/channel_name = ""
 	var/list/datum/newscaster/feed_message/messages = list()
-	var/locked = 0
+	var/locked = FALSE
 	var/author = ""
 	var/censored = 0
 	var/list/authorCensorTime = list()
@@ -183,7 +183,7 @@ GLOBAL_LIST_EMPTY(allCasters)
 	var/securityCaster = 0
 	var/unit_no = 0
 	var/alert_delay = 500
-	var/alert = 0
+	var/alert = FALSE
 	var/scanned_user = "Unknown"
 	var/msg = ""
 	var/obj/item/weapon/photo/photo = null
@@ -191,7 +191,7 @@ GLOBAL_LIST_EMPTY(allCasters)
 	var/c_locked=0
 	var/datum/newscaster/feed_channel/viewing_channel = null
 	var/allow_comments = 1
-	anchored = 1
+	anchored = TRUE
 
 /obj/machinery/newscaster/security_unit
 	name = "security newscaster"

code/game/machinery/pipe/pipe_dispenser.dm

@@ -2,8 +2,8 @@
 	name = "pipe dispenser"
 	icon = 'icons/obj/stationobjs.dmi'
 	icon_state = "pipe_d"
-	density = 1
-	anchored = 1
+	density = TRUE
+	anchored = TRUE
 	var/wait = 0
 
 /obj/machinery/pipedispenser/attack_paw(mob/user)
@@ -83,7 +83,7 @@
 					"[user] fastens \the [src].", \
 					"<span class='notice'>You fasten \the [src]. Now it can dispense pipes.</span>", \
 					"<span class='italics'>You hear ratchet.</span>")
-				anchored = 1
+				anchored = TRUE
 				stat &= MAINT
 				if (usr.machine==src)
 					usr << browse(null, "window=pipedispenser")
@@ -96,7 +96,7 @@
 					"[user] unfastens \the [src].", \
 					"<span class='notice'>You unfasten \the [src]. Now it can be pulled somewhere else.</span>", \
 					"<span class='italics'>You hear ratchet.</span>")
-				anchored = 0
+				anchored = FALSE
 				stat |= ~MAINT
 				power_change()
 	else
@@ -107,8 +107,8 @@
 	name = "disposal pipe dispenser"
 	icon = 'icons/obj/stationobjs.dmi'
 	icon_state = "pipe_d"
-	density = 1
-	anchored = 1
+	density = TRUE
+	anchored = TRUE
 
 /*
 //Allow you to push disposal pipes into it (for those with density 1)
@@ -181,8 +181,8 @@ Nah
 	name = "transit tube dispenser"
 	icon = 'icons/obj/stationobjs.dmi'
 	icon_state = "pipe_d"
-	density = 1
-	anchored = 1
+	density = TRUE
+	anchored = TRUE
 
 /obj/machinery/pipedispenser/disposal/transit_tube/attack_hand(mob/user)
 	if(..())

code/game/machinery/porta_turret/portable_turret.dm

@@ -8,10 +8,10 @@
 	name = "turret"
 	icon = 'icons/obj/turrets.dmi'
 	icon_state = "turretCover"
-	anchored = 1
+	anchored = TRUE
 	layer = OBJ_LAYER
 	invisibility = INVISIBILITY_OBSERVER	//the turret is invisible if it's inside its cover
-	density = 1
+	density = TRUE
 	use_power = IDLE_POWER_USE				//this turret uses and requires power
 	idle_power_usage = 50		//when inactive, this turret takes up constant 50 Equipment power
 	active_power_usage = 300	//when active, this turret takes up constant 300 Equipment power
@@ -32,7 +32,7 @@
 	integrity_failure = 80
 	armor = list(melee = 50, bullet = 30, laser = 30, energy = 30, bomb = 30, bio = 0, rad = 0, fire = 90, acid = 90)
 
-	var/locked = 1			//if the turret's behaviour control access is locked
+	var/locked = TRUE			//if the turret's behaviour control access is locked
 	var/controllock = 0		//if the turret responds to control panels
 
 	var/installation = /obj/item/weapon/gun/energy/e_gun/turret		//the type of weapon installed by default
@@ -253,7 +253,7 @@
 
 		//This code handles moving the turret around. After all, it's a portable turret!
 		if(!anchored && !isinspace())
-			anchored = 1
+			anchored = TRUE
 			invisibility = INVISIBILITY_MAXIMUM
 			update_icon()
 			to_chat(user, "<span class='notice'>You secure the exterior bolts on the turret.</span>")
@@ -261,7 +261,7 @@
 				cover = new /obj/machinery/porta_turret_cover(loc) //create a new turret. While this is handled in process(), this is to workaround a bug where the turret becomes invisible for a split second
 				cover.parent_turret = src //make the cover's parent src
 		else if(anchored)
-			anchored = 0
+			anchored = FALSE
 			to_chat(user, "<span class='notice'>You unsecure the exterior bolts on the turret.</span>")
 			update_icon()
 			invisibility = 0
@@ -285,12 +285,12 @@
 	if(!emagged)
 		to_chat(user, "<span class='warning'>You short out [src]'s threat assessment circuits.</span>")
 		visible_message("[src] hums oddly...")
-		emagged = 1
+		emagged = TRUE
 		controllock = 1
-		on = 0 //turns off the turret temporarily
+		on = FALSE //turns off the turret temporarily
 		update_icon()
 		sleep(60) //6 seconds for the traitor to gtfo of the area before the turret decides to ruin his shit
-		on = 1 //turns it back on. The cover popUp() popDown() are automatically called in process(), no need to define it here
+		on = TRUE //turns it back on. The cover popUp() popDown() are automatically called in process(), no need to define it here
 
 
 /obj/machinery/porta_turret/emp_act(severity)
@@ -643,11 +643,11 @@
 	desc = "Used to control a room's automated defenses."
 	icon = 'icons/obj/machines/turret_control.dmi'
 	icon_state = "control_standby"
-	anchored = 1
-	density = 0
+	anchored = TRUE
+	density = FALSE
 	var/enabled = 1
 	var/lethal = 0
-	var/locked = 1
+	var/locked = TRUE
 	var/control_area = null //can be area name, path or nothing.
 	var/ailock = 0 // AI cannot use this
 	req_access = list(GLOB.access_ai_upload)
@@ -658,7 +658,7 @@
 	..()
 	if(built)
 		setDir(ndir)
-		locked = 0
+		locked = FALSE
 		pixel_x = (dir & 3)? 0 : (dir == 4 ? -24 : 24)
 		pixel_y = (dir & 3)? (dir ==1 ? -24 : 24) : 0
 	power_change() //Checks power and initial settings
@@ -719,8 +719,8 @@
 /obj/machinery/turretid/emag_act(mob/user)
 	if(!emagged)
 		to_chat(user, "<span class='danger'>You short out the turret controls' access analysis module.</span>")
-		emagged = 1
-		locked = 0
+		emagged = TRUE
+		locked = FALSE
 		if(user && user.machine == src)
 			attack_hand(user)
 
@@ -921,11 +921,11 @@
 	if(on)
 		if(team_color == "blue")
 			if(istype(P, /obj/item/projectile/beam/lasertag/redtag))
-				on = 0
+				on = FALSE
 				spawn(100)
-					on = 1
+					on = TRUE
 		else if(team_color == "red")
 			if(istype(P, /obj/item/projectile/beam/lasertag/bluetag))
-				on = 0
+				on = FALSE
 				spawn(100)
-					on = 1
+					on = TRUE

code/game/machinery/porta_turret/portable_turret_construct.dm

@@ -12,7 +12,7 @@
 	name = "turret frame"
 	icon = 'icons/obj/turrets.dmi'
 	icon_state = "turret_frame"
-	density = 1
+	density = TRUE
 	var/build_step = PTURRET_UNSECURED //the current step in the building process
 	var/finish_name = "turret"	//the name applied to the product turret
 	var/obj/item/weapon/gun/installed_gun = null
@@ -24,7 +24,7 @@
 			if(istype(I, /obj/item/weapon/wrench) && !anchored)
 				playsound(loc, I.usesound, 100, 1)
 				to_chat(user, "<span class='notice'>You secure the external bolts.</span>")
-				anchored = 1
+				anchored = TRUE
 				build_step = PTURRET_BOLTED
 				return
 
@@ -49,7 +49,7 @@
 			else if(istype(I, /obj/item/weapon/wrench))
 				playsound(loc, I.usesound, 75, 1)
 				to_chat(user, "<span class='notice'>You unfasten the external bolts.</span>")
-				anchored = 0
+				anchored = FALSE
 				build_step = PTURRET_UNSECURED
 				return
 

code/game/machinery/porta_turret/portable_turret_cover.dm

@@ -7,9 +7,9 @@
 	name = "turret"
 	icon = 'icons/obj/turrets.dmi'
 	icon_state = "turretCover"
-	anchored = 1
+	anchored = TRUE
 	layer = HIGH_OBJ_LAYER
-	density = 0
+	density = FALSE
 	max_integrity = 80
 	var/obj/machinery/porta_turret/parent_turret = null
 
@@ -46,12 +46,12 @@
 			return
 
 		if(!parent_turret.anchored)
-			parent_turret.anchored = 1
+			parent_turret.anchored = TRUE
 			to_chat(user, "<span class='notice'>You secure the exterior bolts on the turret.</span>")
 			parent_turret.invisibility = 0
 			parent_turret.update_icon()
 		else
-			parent_turret.anchored = 0
+			parent_turret.anchored = FALSE
 			to_chat(user, "<span class='notice'>You unsecure the exterior bolts on the turret.</span>")
 			parent_turret.invisibility = INVISIBILITY_MAXIMUM
 			parent_turret.update_icon()
@@ -90,7 +90,7 @@
 	if(!parent_turret.emagged)
 		to_chat(user, "<span class='notice'>You short out [parent_turret]'s threat assessment circuits.</span>")
 		visible_message("[parent_turret] hums oddly...")
-		parent_turret.emagged = 1
+		parent_turret.emagged = TRUE
 		parent_turret.on = 0
 		spawn(40)
 			parent_turret.on = 1

code/game/machinery/quantum_pad.dm

@@ -3,7 +3,7 @@
 	desc = "A bluespace quantum-linked telepad used for teleporting objects to other quantum pads."
 	icon = 'icons/obj/telescience.dmi'
 	icon_state = "qpad-idle"
-	anchored = 1
+	anchored = TRUE
 	use_power = IDLE_POWER_USE
 	idle_power_usage = 200
 	active_power_usage = 5000

code/game/machinery/recharger.dm

@@ -3,7 +3,7 @@
 	icon = 'icons/obj/stationobjs.dmi'
 	icon_state = "recharger0"
 	desc = "A charging dock for energy based weaponry."
-	anchored = 1
+	anchored = TRUE
 	use_power = IDLE_POWER_USE
 	idle_power_usage = 4
 	active_power_usage = 250

code/game/machinery/rechargestation.dm

@@ -2,15 +2,15 @@
 	name = "cyborg recharging station"
 	icon = 'icons/obj/objects.dmi'
 	icon_state = "borgcharger0"
-	density = 0
-	anchored = 1
+	density = FALSE
+	anchored = TRUE
 	use_power = IDLE_POWER_USE
 	idle_power_usage = 5
 	active_power_usage = 1000
 	req_access = list(GLOB.access_robotics)
 	var/recharge_speed
 	var/repairs
-	state_open = 1
+	state_open = TRUE
 
 /obj/machinery/recharge_station/New()
 	..()
@@ -105,8 +105,8 @@
 			use_power = ACTIVE_POWER_USE
 			add_fingerprint(R)
 			break
-		state_open = 0
-		density = 1
+		state_open = FALSE
+		density = TRUE
 		update_icon()
 
 /obj/machinery/recharge_station/update_icon()

code/game/machinery/recycler.dm

@@ -6,8 +6,8 @@
 	icon = 'icons/obj/recycling.dmi'
 	icon_state = "grinder-o0"
 	layer = ABOVE_ALL_MOB_LAYER // Overhead
-	anchored = 1
-	density = 1
+	anchored = TRUE
+	density = TRUE
 	var/safety_mode = FALSE // Temporarily stops machine if it detects a mob
 	var/icon_name = "grinder-o"
 	var/blood = 0

code/game/machinery/requests_console.dm

@@ -9,7 +9,7 @@ GLOBAL_LIST_EMPTY(allConsoles)
 /obj/machinery/requests_console
 	name = "requests console"
 	desc = "A console intended to send requests to different departments on the station."
-	anchored = 1
+	anchored = TRUE
 	icon = 'icons/obj/terminals.dmi'
 	icon_state = "req_comp0"
 	var/department = "Unknown" //The list of all departments on the station (Determined from this variable on each unit) Set this to the same thing if you want several consoles in one department
@@ -47,7 +47,7 @@ GLOBAL_LIST_EMPTY(allConsoles)
 	var/announcementConsole = 0
 		// 0 = This console cannot be used to send department announcements
 		// 1 = This console can send department announcements
-	var/open = 0 // 1 if open
+	var/open = FALSE // 1 if open
 	var/announceAuth = 0 //Will be set to 1 when you authenticate yourself for announcements
 	var/msgVerified = "" //Will contain the name of the person who verified it
 	var/msgStamped = "" //If a message is stamped, this will contain the stamp name
@@ -490,10 +490,10 @@ GLOBAL_LIST_EMPTY(allConsoles)
 	if(istype(O, /obj/item/weapon/crowbar))
 		if(open)
 			to_chat(user, "<span class='notice'>You close the maintenance panel.</span>")
-			open = 0
+			open = FALSE
 		else
 			to_chat(user, "<span class='notice'>You open the maintenance panel.</span>")
-			open = 1
+			open = TRUE
 		update_icon()
 		return
 	if(istype(O, /obj/item/weapon/screwdriver))

code/game/machinery/robot_fabricator.dm

@@ -2,10 +2,10 @@
 	name = "robotic fabricator"
 	icon = 'icons/obj/robotics.dmi'
 	icon_state = "fab-idle"
-	density = 1
-	anchored = 1
+	density = TRUE
+	anchored = TRUE
 	var/metal_amount = 0
-	var/operating = 0
+	var/operating = FALSE
 	var/obj/item/being_built = null
 	use_power = IDLE_POWER_USE
 	idle_power_usage = 20
@@ -127,7 +127,7 @@ Please wait until completion...</TT><BR>
 			var/building = text2path(build_type)
 			if (!isnull(building))
 				if (src.metal_amount >= build_cost)
-					src.operating = 1
+					operating = TRUE
 					src.use_power = ACTIVE_POWER_USE
 
 					src.metal_amount = max(0, src.metal_amount - build_cost)
@@ -142,7 +142,7 @@ Please wait until completion...</TT><BR>
 							src.being_built.loc = get_turf(src)
 							src.being_built = null
 						src.use_power = IDLE_POWER_USE
-						src.operating = 0
+						operating = FALSE
 						cut_overlay("fab-active")
 		return
 

code/game/machinery/shieldgen.dm

@@ -3,9 +3,9 @@
 	desc = "An energy shield used to contain hull breaches."
 	icon = 'icons/effects/effects.dmi'
 	icon_state = "shield-old"
-	density = 1
+	density = TRUE
 	opacity = 0
-	anchored = 1
+	anchored = TRUE
 	resistance_flags = LAVA_PROOF | FIRE_PROOF | UNACIDABLE | ACID_PROOF
 	max_integrity = 200 //The shield can only take so much beating (prevents perma-prisons)
 	CanAtmosPass = ATMOS_PASS_DENSITY
@@ -16,7 +16,7 @@
 	air_update_turf(1)
 
 /obj/structure/emergency_shield/Destroy()
-	density = 0
+	density = FALSE
 	air_update_turf(1)
 	return ..()
 
@@ -74,15 +74,15 @@
 	desc = "Used to seal minor hull breaches."
 	icon = 'icons/obj/objects.dmi'
 	icon_state = "shieldoff"
-	density = 1
+	density = TRUE
 	opacity = 0
-	anchored = 0
+	anchored = FALSE
 	pressure_resistance = 2*ONE_ATMOSPHERE
 	req_access = list(GLOB.access_engine)
 	max_integrity = 100
 	var/active = FALSE
 	var/list/deployed_shields
-	var/locked = 0
+	var/locked = FALSE
 	var/shield_range = 4
 
 /obj/machinery/shieldgen/Initialize(mapload)
@@ -176,14 +176,14 @@
 		if(!anchored && !isinspace())
 			playsound(src.loc, W.usesound, 100, 1)
 			to_chat(user, "<span class='notice'>You secure \the [src] to the floor!</span>")
-			anchored = 1
+			anchored = TRUE
 		else if(anchored)
 			playsound(src.loc, W.usesound, 100, 1)
 			to_chat(user, "<span class='notice'>You unsecure \the [src] from the floor!</span>")
 			if(active)
 				to_chat(user, "<span class='notice'>\The [src] shuts off!</span>")
 				shields_down()
-			anchored = 0
+			anchored = FALSE
 
 	else if(W.GetID())
 		if(allowed(user))
@@ -214,8 +214,8 @@
 	desc = "A shield generator."
 	icon = 'icons/obj/stationobjs.dmi'
 	icon_state = "Shield_Gen"
-	anchored = 0
-	density = 1
+	anchored = FALSE
+	density = TRUE
 	req_access = list(GLOB.access_teleporter)
 	flags = CONDUCT
 	use_power = NO_POWER_USE
@@ -223,7 +223,7 @@
 	var/active = FALSE
 	var/power = 0
 	var/maximum_stored_power = 500
-	var/locked = 1
+	var/locked = TRUE
 	var/shield_range = 8
 	var/obj/structure/cable/attached // the attached cable
 
@@ -386,8 +386,8 @@
 	desc = "An energy shield."
 	icon = 'icons/effects/effects.dmi'
 	icon_state = "shieldwall"
-	anchored = 1
-	density = 1
+	anchored = TRUE
+	density = TRUE
 	resistance_flags = INDESTRUCTIBLE | LAVA_PROOF | FIRE_PROOF | UNACIDABLE | ACID_PROOF
 	light_range = 3
 	var/needs_power = FALSE

code/game/machinery/slotmachine.dm

@@ -17,8 +17,8 @@
 	desc = "Gambling for the antisocial."
 	icon = 'icons/obj/economy.dmi'
 	icon_state = "slots1"
-	anchored = 1
-	density = 1
+	anchored = TRUE
+	density = TRUE
 	use_power = IDLE_POWER_USE
 	idle_power_usage = 50
 	circuit = /obj/item/weapon/circuitboard/computer/slot_machine
@@ -102,7 +102,7 @@
 
 /obj/machinery/computer/slot_machine/emag_act()
 	if(!emagged)
-		emagged = 1
+		emagged = TRUE
 		var/datum/effect_system/spark_spread/spark_system = new /datum/effect_system/spark_spread()
 		spark_system.set_up(4, 0, src.loc)
 		spark_system.start()
@@ -163,7 +163,7 @@
 	if(prob(15 * severity))
 		return
 	if(prob(1)) // :^)
-		emagged = 1
+		emagged = TRUE
 	var/severity_ascending = 4 - severity
 	money = max(rand(money - (200 * severity_ascending), money + (200 * severity_ascending)), 0)
 	balance = max(rand(balance - (50 * severity_ascending), balance + (50 * severity_ascending)), 0)

code/game/machinery/spaceheater.dm

@@ -3,8 +3,8 @@
 #define HEATER_MODE_COOL	"cool"
 
 /obj/machinery/space_heater
-	anchored = 0
-	density = 1
+	anchored = FALSE
+	density = TRUE
 	interact_open = TRUE
 	icon = 'icons/obj/atmos.dmi'
 	icon_state = "sheater-off"
@@ -176,7 +176,7 @@
 	else
 		return ..()
 
-/obj/machinery/space_heater/ui_interact(mob/user, ui_key = "main", datum/tgui/ui = null, force_open = 0, \
+/obj/machinery/space_heater/ui_interact(mob/user, ui_key = "main", datum/tgui/ui = null, force_open = FALSE, \
 										datum/tgui/master_ui = null, datum/ui_state/state = GLOB.physical_state)
 	ui = SStgui.try_update_ui(user, src, ui_key, ui, force_open)
 	if(!ui)

code/game/machinery/status_display.dm

@@ -15,8 +15,8 @@
 	icon = 'icons/obj/status_display.dmi'
 	icon_state = "frame"
 	name = "status display"
-	anchored = 1
-	density = 0
+	anchored = TRUE
+	density = FALSE
 	use_power = IDLE_POWER_USE
 	idle_power_usage = 10
 	var/mode = 1	// 0 = Blank
@@ -202,8 +202,8 @@
 	desc = "A small screen which the AI can use to present itself."
 	icon_state = "frame"
 	name = "\improper AI display"
-	anchored = 1
-	density = 0
+	anchored = TRUE
+	density = FALSE
 
 	var/mode = 0	// 0 = Blank
 					// 1 = AI emoticon

code/game/machinery/suit_storage_unit.dm

@@ -4,8 +4,8 @@
 	desc = "An industrial unit made to hold space suits. It comes with a built-in UV cauterization mechanism. A small warning label advises that organic matter should not be placed into the unit."
 	icon = 'icons/obj/suitstorage.dmi'
 	icon_state = "close"
-	anchored = 1
-	density = 1
+	anchored = TRUE
+	density = TRUE
 	max_integrity = 250
 
 	var/obj/item/clothing/suit/space/suit = null
@@ -320,7 +320,7 @@
 
 	return ..()
 
-/obj/machinery/suit_storage_unit/ui_interact(mob/user, ui_key = "main", datum/tgui/ui = null, force_open = 0, \
+/obj/machinery/suit_storage_unit/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)
 	if(!ui)

code/game/machinery/syndicatebeacon.dm

@@ -7,8 +7,8 @@
 	icon = 'icons/obj/singularity.dmi'
 	icon_state = "beacon"
 
-	anchored = 0
-	density = 1
+	anchored = FALSE
+	density = TRUE
 	layer = BELOW_MOB_LAYER //so people can't hide it and it's REALLY OBVIOUS
 	stat = 0
 	verb_say = "states"
@@ -60,7 +60,7 @@
 			return
 
 		if(anchored)
-			anchored = 0
+			anchored = FALSE
 			to_chat(user, "<span class='notice'>You unscrew the beacon from the floor.</span>")
 			disconnect_from_network()
 			return
@@ -68,7 +68,7 @@
 			if(!connect_to_network())
 				to_chat(user, "<span class='warning'>This device must be placed over an exposed, powered cable node!</span>")
 				return
-			anchored = 1
+			anchored = TRUE
 			to_chat(user, "<span class='notice'>You screw the beacon to the floor and attach the cable.</span>")
 			return
 	else

code/game/machinery/syndicatebomb.dm

@@ -7,8 +7,8 @@
 	icon_state = "syndicate-bomb"
 	desc = "A large and menacing device. Can be bolted down with a wrench."
 
-	anchored = 0
-	density = 0
+	anchored = FALSE
+	density = FALSE
 	layer = BELOW_MOB_LAYER //so people can't hide it and it's REALLY OBVIOUS
 	resistance_flags = FIRE_PROOF | ACID_PROOF
 
@@ -120,14 +120,14 @@
 			else
 				to_chat(user, "<span class='notice'>You firmly wrench the bomb to the floor.</span>")
 				playsound(loc, I.usesound, 50, 1)
-				anchored = 1
+				anchored = TRUE
 				if(active)
 					to_chat(user, "<span class='notice'>The bolts lock in place.</span>")
 		else
 			if(!active)
 				to_chat(user, "<span class='notice'>You wrench the bomb from the floor.</span>")
 				playsound(loc, I.usesound, 50, 1)
-				anchored = 0
+				anchored = FALSE
 			else
 				to_chat(user, "<span class='warning'>The bolts are locked down!</span>")
 

code/game/machinery/telecomms/machines/allinone.dm

@@ -7,8 +7,8 @@
 	name = "telecommunications mainframe"
 	icon_state = "comm_server"
 	desc = "A compact machine used for portable subspace telecommuniations processing."
-	density = 1
-	anchored = 1
+	density = TRUE
+	anchored = TRUE
 	use_power = NO_POWER_USE
 	idle_power_usage = 0
 	machinetype = 6

code/game/machinery/telecomms/machines/broadcaster.dm

@@ -12,8 +12,8 @@ GLOBAL_VAR_INIT(message_delay, 0) // To make sure restarting the recentmessages
 	name = "subspace broadcaster"
 	icon_state = "broadcaster"
 	desc = "A dish-shaped machine used to broadcast processed subspace signals."
-	density = 1
-	anchored = 1
+	density = TRUE
+	anchored = TRUE
 	use_power = IDLE_POWER_USE
 	idle_power_usage = 25
 	machinetype = 5

code/game/machinery/telecomms/machines/bus.dm

@@ -12,8 +12,8 @@
 	name = "bus mainframe"
 	icon_state = "bus"
 	desc = "A mighty piece of hardware used to send massive amounts of data quickly."
-	density = 1
-	anchored = 1
+	density = TRUE
+	anchored = TRUE
 	use_power = IDLE_POWER_USE
 	idle_power_usage = 50
 	machinetype = 2

code/game/machinery/telecomms/machines/hub.dm

@@ -13,8 +13,8 @@
 	name = "telecommunication hub"
 	icon_state = "hub"
 	desc = "A mighty piece of hardware used to send/receive massive amounts of data."
-	density = 1
-	anchored = 1
+	density = TRUE
+	anchored = TRUE
 	use_power = IDLE_POWER_USE
 	idle_power_usage = 80
 	machinetype = 7

code/game/machinery/telecomms/machines/processor.dm

@@ -11,8 +11,8 @@
 	name = "processor unit"
 	icon_state = "processor"
 	desc = "This machine is used to process large quantities of information."
-	density = 1
-	anchored = 1
+	density = TRUE
+	anchored = TRUE
 	use_power = IDLE_POWER_USE
 	idle_power_usage = 30
 	machinetype = 3

code/game/machinery/telecomms/machines/receiver.dm

@@ -11,8 +11,8 @@
 	name = "subspace receiver"
 	icon_state = "broadcast receiver"
 	desc = "This machine has a dish-like shape and green lights. It is designed to detect and process subspace radio activity."
-	density = 1
-	anchored = 1
+	density = TRUE
+	anchored = TRUE
 	use_power = IDLE_POWER_USE
 	idle_power_usage = 30
 	machinetype = 1

code/game/machinery/telecomms/machines/relay.dm

@@ -10,8 +10,8 @@
 	name = "telecommunication relay"
 	icon_state = "relay"
 	desc = "A mighty piece of hardware used to send massive amounts of data far away."
-	density = 1
-	anchored = 1
+	density = TRUE
+	anchored = TRUE
 	use_power = IDLE_POWER_USE
 	idle_power_usage = 30
 	machinetype = 8
@@ -82,5 +82,5 @@
 /obj/machinery/telecomms/relay/preset/ruskie
 	id = "Ruskie Relay"
 	hide = 1
-	toggled = 0
+	toggled = FALSE
 	autolinkers = list("r_relay")

code/game/machinery/telecomms/machines/server.dm

@@ -11,8 +11,8 @@
 	name = "telecommunication server"
 	icon_state = "comm_server"
 	desc = "A machine used to store data and network statistics."
-	density = 1
-	anchored = 1
+	density = TRUE
+	anchored = TRUE
 	use_power = IDLE_POWER_USE
 	idle_power_usage = 15
 	machinetype = 4

code/game/machinery/telecomms/telecomunications.dm

@@ -26,8 +26,8 @@ GLOBAL_LIST_EMPTY(telecomms_list)
 	var/list/freq_listening = list() // list of frequencies to tune into: if none, will listen to all
 
 	var/machinetype = 0 // just a hacky way of preventing alike machines from pairing
-	var/toggled = 1 	// Is it toggled on
-	var/on = 1
+	var/toggled = TRUE 	// Is it toggled on
+	var/on = TRUE
 	var/long_range_link = 0	// Can you link it across Z levels or on the otherside of the map? (Relay & Hub)
 	var/hide = 0				// Is it a hidden machine?
 	var/listening_level = 0	// 0 = auto set in New() - this is the z level that the machine is listening to.
@@ -193,11 +193,11 @@ GLOBAL_LIST_EMPTY(telecomms_list)
 
 	if(toggled)
 		if(stat & (BROKEN|NOPOWER|EMPED)) // if powered, on. if not powered, off. if too damaged, off
-			on = 0
+			on = FALSE
 		else
-			on = 1
+			on = TRUE
 	else
-		on = 0
+		on = FALSE
 
 /obj/machinery/telecomms/process()
 	update_power()

code/game/machinery/teleporter.dm

@@ -219,8 +219,8 @@
 /obj/machinery/teleport
 	name = "teleport"
 	icon = 'icons/obj/machines/teleporter.dmi'
-	density = 1
-	anchored = 1
+	density = TRUE
+	anchored = TRUE
 
 /obj/machinery/teleport/hub
 	name = "teleporter hub"

code/game/machinery/transformer.dm

@@ -6,8 +6,8 @@
 	icon = 'icons/obj/recycling.dmi'
 	icon_state = "separator-AO1"
 	layer = ABOVE_ALL_MOB_LAYER // Overhead
-	anchored = 1
-	density = 0
+	anchored = TRUE
+	density = FALSE
 	var/transform_dead = 0
 	var/transform_standing = 0
 	var/cooldown_duration = 600 // 1 minute

code/game/machinery/vending.dm

@@ -16,8 +16,8 @@
 	icon = 'icons/obj/vending.dmi'
 	icon_state = "generic"
 	layer = BELOW_OBJ_LAYER
-	anchored = 1
-	density = 1
+	anchored = TRUE
+	density = TRUE
 	verb_say = "beeps"
 	verb_ask = "beeps"
 	verb_exclaim = "beeps"
@@ -931,7 +931,7 @@ IF YOU MODIFY THE PRODUCTS LIST OF A MACHINE, MAKE SURE TO UPDATE ITS RESUPPLY C
 	desc = "Wall-mounted Medical Equipment dispenser."
 	icon_state = "wallmed"
 	icon_deny = "wallmed-deny"
-	density = 0
+	density = FALSE
 	products = list(/obj/item/weapon/reagent_containers/syringe = 3,/obj/item/weapon/reagent_containers/pill/patch/styptic = 5,
 					/obj/item/weapon/reagent_containers/pill/patch/silver_sulf = 5,/obj/item/weapon/reagent_containers/pill/charcoal = 2,
 					/obj/item/weapon/reagent_containers/spray/medical/sterilizer = 1)

code/game/machinery/washing_machine.dm

@@ -3,10 +3,10 @@
 	desc = "Gets rid of those pesky bloodstains, or your money back!"
 	icon = 'icons/obj/machines/washing_machine.dmi'
 	icon_state = "wm_1_0"
-	density = 1
-	anchored = 1
-	state_open = 1
-	var/busy = 0
+	density = TRUE
+	anchored = TRUE
+	state_open = TRUE
+	var/busy = FALSE
 	var/bloody_mess = 0
 	var/has_corgi = 0
 	var/obj/item/color_source
@@ -34,7 +34,7 @@
 	if(has_corgi)
 		bloody_mess = 1
 
-	busy = 1
+	busy = TRUE
 	update_icon()
 	sleep(200)
 	wash_cycle()
@@ -52,7 +52,7 @@
 		AM.clean_blood()
 		AM.machine_wash(src)
 
-	busy = 0
+	busy = FALSE
 	if(color_source)
 		qdel(color_source)
 		color_source = null
@@ -237,7 +237,7 @@
 	if(!state_open)
 		open_machine()
 	else
-		state_open = 0 //close the door
+		state_open = FALSE //close the door
 		update_icon()
 
 /obj/machinery/washing_machine/deconstruct(disassembled = TRUE)
@@ -246,6 +246,6 @@
 
 /obj/machinery/washing_machine/open_machine(drop = 1)
 	..()
-	density = 1 //because machinery/open_machine() sets it to 0
+	density = TRUE //because machinery/open_machine() sets it to 0
 	color_source = null
 	has_corgi = 0

code/game/machinery/wishgranter.dm

@@ -5,8 +5,8 @@
 	icon_state = "syndbeacon"
 
 	use_power = NO_POWER_USE
-	anchored = 1
-	density = 1
+	anchored = TRUE
+	density = TRUE
 
 	var/charges = 1
 	var/insisting = 0