Split up and rename var/flags (#17794)

* Split up and rename `var/flags`

* Various fixes

* CL

* Don't rename Phoron Guard phoron preset

---------

Co-authored-by: Cody Brittain <cbrittain10@live.com>

code/ZAS/Airflow.dm

@@ -27,7 +27,7 @@ Contains helper procs for airflow, handled in /connection_group.
 
 /mob/living/carbon/human/airflow_stun()
 	if(shoes)
-		if(shoes.item_flags & NOSLIP) return 0
+		if(shoes.item_flags & ITEM_FLAG_NO_SLIP) return 0
 	..()
 
 /atom/movable/proc/check_airflow_movable(n)
@@ -74,7 +74,7 @@ Contains helper procs for airflow, handled in /connection_group.
 	if(buckled_to)
 		return 0
 	var/obj/item/shoes = get_equipped_item(slot_shoes)
-	if(istype(shoes) && (shoes.item_flags & NOSLIP))
+	if(istype(shoes) && (shoes.item_flags & ITEM_FLAG_NO_SLIP))
 		return 0
 	return 1
 

code/ZAS/Phoron.dm

@@ -41,7 +41,7 @@ var/image/contamination_overlay = image('icons/effects/contamination.dmi')
 /obj/var/contaminated = 0
 
 /obj/item/proc/can_contaminate()
-	if(flags & PHORONGUARD)
+	if(item_flags & ITEM_FLAG_PHORON_GUARD)
 		return FALSE
 	return TRUE
 
@@ -99,15 +99,15 @@ var/image/contamination_overlay = image('icons/effects/contamination.dmi')
 		var/burn_eyes = 1
 
 		//Check for protective glasses
-		if(glasses && (glasses.body_parts_covered & EYES) && (glasses.item_flags & AIRTIGHT))
+		if(glasses && (glasses.body_parts_covered & EYES) && (glasses.item_flags & ITEM_FLAG_AIRTIGHT))
 			burn_eyes = 0
 
 		//Check for protective maskwear
-		if(burn_eyes && wear_mask && (wear_mask.body_parts_covered & EYES) && (wear_mask.item_flags & AIRTIGHT))
+		if(burn_eyes && wear_mask && (wear_mask.body_parts_covered & EYES) && (wear_mask.item_flags & ITEM_FLAG_AIRTIGHT))
 			burn_eyes = 0
 
 		//Check for protective helmets
-		if(burn_eyes && head && (head.body_parts_covered & EYES) && (head.item_flags & AIRTIGHT))
+		if(burn_eyes && head && (head.body_parts_covered & EYES) && (head.item_flags & ITEM_FLAG_AIRTIGHT))
 			burn_eyes = 0
 
 		//If we still need to, burn their eyes
@@ -141,7 +141,7 @@ var/image/contamination_overlay = image('icons/effects/contamination.dmi')
 	//Checks if the head is adequately sealed.
 	if(head)
 		if(vsc.plc.PHORONGUARD_ONLY)
-			if(head.flags & PHORONGUARD)
+			if(head.item_flags & ITEM_FLAG_PHORON_GUARD)
 				return 1
 		else if(head.body_parts_covered & EYES)
 			return 1
@@ -153,7 +153,7 @@ var/image/contamination_overlay = image('icons/effects/contamination.dmi')
 	for(var/obj/item/protection in list(wear_suit, gloves, shoes))
 		if(!protection)
 			continue
-		if(vsc.plc.PHORONGUARD_ONLY && !(protection.flags & PHORONGUARD))
+		if(vsc.plc.PHORONGUARD_ONLY && !(protection.item_flags & ITEM_FLAG_PHORON_GUARD))
 			return 0
 		coverage |= protection.body_parts_covered
 

code/__defines/flags.dm

@@ -1,7 +1,3 @@
-// Movable flags.
-#define MOVABLE_FLAG_EFFECTMOVE       1 //Is this an effect that should move?
-#define MOVABLE_FLAG_DEL_SHUTTLE      2 //Shuttle transition will delete this.
-
 var/global/list/bitflags = list(1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768)
 
 #define TURF_IS_MIMICING(T) (isturf(T) && (T:z_flags & ZM_MIMIC_BELOW))
@@ -27,3 +23,69 @@ var/list/mimic_defines = list(
 	"ZM_MIMIC_NO_AO",
 	"ZM_NO_OCCLUDE"
 )
+
+// Flags bitmask
+
+/// If a dense atom (potentially) only blocks movements from a given direction, i.e. window panes
+#define ATOM_FLAG_CHECKS_BORDER FLAG(1)
+/// Used for atoms if they don't want to get a blood overlay.
+#define ATOM_FLAG_NO_BLOOD FLAG(2)
+/// Reagents do not react in this containers
+#define ATOM_FLAG_NO_REACT FLAG(3)
+/// Is an open container for chemistry purposes
+#define ATOM_FLAG_OPEN_CONTAINER FLAG(4)
+/// Reagent container that can pour its contents with a lid on. only used for syrup bottles for now
+#define ATOM_FLAG_POUR_CONTAINER FLAG(5)
+/// Should we use the initial icon for display? Mostly used by overlay only objects
+#define ATOM_FLAG_HTML_USE_INITIAL_ICON FLAG(6)
+
+// Movable flags.
+
+/// Does this object require proximity checking in Enter()?
+#define MOVABLE_FLAG_PROXMOVE FLAG(1)
+///Is this an effect that should move?
+#define MOVABLE_FLAG_EFFECTMOVE FLAG(2)
+///Shuttle transition will delete this.
+#define MOVABLE_FLAG_DEL_SHUTTLE FLAG(3)
+
+// Obj flags
+
+/// Can this object be rotated?
+#define OBJ_FLAG_ROTATABLE FLAG(0)
+/// This object can be rotated even while anchored
+#define OBJ_FLAG_ROTATABLE_ANCHORED FLAG(1)
+/// Can this take a signaler? only in use for machinery
+#define OBJ_FLAG_SIGNALER FLAG(2)
+/// Will prevent mobs from falling
+#define OBJ_FLAG_NOFALL FLAG(3)
+/// Object moves with shuttle transition even if turf below is a background turf.
+#define OBJ_FLAG_MOVES_UNSUPPORTED FLAG(4)
+#define OBJ_FLAG_CONDUCTABLE FLAG(5)
+
+// Item flags
+/// When an item has this it produces no "X has been hit by Y with Z" message with the default handler.
+#define ITEM_FLAG_NO_BLUDGEON FLAG(0)
+/// Does not get contaminated by phoron.
+#define ITEM_FLAG_PHORON_GUARD FLAG(1)
+/// Prevents syringes, parapens and hyposprays if equiped to slot_suit or slot_head.
+#define ITEM_FLAG_THICK_MATERIAL FLAG(2)
+/// Functions with internals
+#define ITEM_FLAG_AIRTIGHT FLAG(3)
+///Prevents from slipping on wet floors, in space, etc.
+#define ITEM_FLAG_NO_SLIP FLAG(4)
+/// Blocks the effect that chemical clouds would have on a mob -- glasses, mask and helmets ONLY! (NOTE: flag shared with ONESIZEFITSALL)
+#define ITEM_FLAG_BLOCK_GAS_SMOKE_EFFECT FLAG(5)
+/// At the moment, masks with this flag will not prevent eating even if they are covering your face.
+#define ITEM_FLAG_FLEXIBLE_MATERIAL FLAG(6)
+/// Allows syringes and hyposprays to inject, even if the material is thick
+#define ITEM_FLAG_INJECTION_PORT FLAG(7)
+/// When applied to footwear, this makes it so that they don't trigger things like landmines and mouse traps
+#define ITEM_FLAG_LIGHT_STEP FLAG(8)
+/// whether wearing this item will protect you from loud noises such as flashbangs | this only works for ear slots or the head slot
+#define ITEM_FLAG_SOUND_PROTECTION FLAG(9)
+/// won't block flavourtext when worn on equipment slot
+#define ITEM_FLAG_SHOW_FLAVOR_TEXT FLAG(10)
+/// Uses the special held maptext system, which sets a specific maptext if the item is in possession of a mob.
+#define ITEM_FLAG_HELD_MAP_TEXT FLAG(11)
+/// Cannot be moved from its current inventory slot. Mostly for augments, modules, and other "attached" items.
+#define ITEM_FLAG_NO_MOVE FLAG(12)

code/__defines/items_clothing.dm

@@ -21,31 +21,6 @@
 #define SLOT_WRISTS     BITFLAG(15)
 #define SLOT_S_STORE    BITFLAG(16)
 
-// Flags bitmasks.
-#define NOBLUDGEON         0x1   // When an item has this it produces no "X has been hit by Y with Z" message with the default handler.
-#define CONDUCT            0x2   // Conducts electricity. (metal etc.)
-#define ON_BORDER          0x4   // Item has priority to check when entering or leaving.
-#define NOBLOODY           0x8   // Used for items if they don't want to get a blood overlay.
-#define OPENCONTAINER      0x10  // Is an open container for chemistry purposes.
-#define PHORONGUARD        0x20  // Does not get contaminated by phoron.
-#define NOREACT            0x40  // Reagents don't react inside this container.
-#define PROXMOVE           0x80  // Does this object require proximity checking in Enter()?
-#define HELDMAPTEXT        0x100 // Uses the special held maptext system, which sets a specific maptext if the item is in possession of a mob.
-#define NOMOVE             0x200 // Cannot be moved from its current inventory slot. Mostly for augments, modules, and other "attached" items.
-#define HTML_USE_INITAL_ICON  0x400 // Should we use the initial icon for display? Mostly used by overlay only objects
-#define POURCONTAINER      0x800  // reagent container that can pour its contents with a lid on. only used for syrup bottles for now
-
-//Flags for items (equipment)
-#define THICKMATERIAL          BITFLAG(0)  // Prevents syringes, parapens and hyposprays if equiped to slot_suit or slot_head.
-#define AIRTIGHT               BITFLAG(1)  // Functions with internals.
-#define NOSLIP                 BITFLAG(2)  // Prevents from slipping on wet floors, in space, etc.
-#define BLOCK_GAS_SMOKE_EFFECT BITFLAG(3)  // Blocks the effect that chemical clouds would have on a mob -- glasses, mask and helmets ONLY! (NOTE: flag shared with ONESIZEFITSALL)
-#define FLEXIBLEMATERIAL       BITFLAG(4)  // At the moment, masks with this flag will not prevent eating even if they are covering your face.
-#define SOUNDPROTECTION        BITFLAG(5)  // whether wearing this item will protect you from loud noises such as flashbangs | this only works for ear slots or the head slot
-#define LIGHTSTEP              BITFLAG(6)  // When applied to footwear, this makes it so that they don't trigger things like landmines and mouse traps
-#define INJECTIONPORT          BITFLAG(7)  // Allows syringes and hyposprays to inject, even if the material is thick
-#define SHOWFLAVORTEXT         BITFLAG(8)  // won't block flavourtext when worn on equipment slot
-
 // Flags for pass_flags.
 #define PASSTABLE		0x1
 #define PASSGLASS		0x2

code/__defines/misc.dm

@@ -142,13 +142,13 @@
 #define DEFAULT_JOB_TYPE /datum/job/assistant
 
 //Area flags, possibly more to come
-#define RAD_SHIELDED        	 BITFLAG(1) //shielded from radiation, clearly
+#define AREA_FLAG_RAD_SHIELDED        	 BITFLAG(1) //shielded from radiation, clearly
-#define SPAWN_ROOF          	 BITFLAG(2) // if we should attempt to spawn a roof above us.
+#define AREA_FLAG_SPAWN_ROOF          	 BITFLAG(2) // if we should attempt to spawn a roof above us.
-#define HIDE_FROM_HOLOMAP   	 BITFLAG(3) // if we shouldn't be drawn on station holomaps
+#define AREA_FLAG_HIDE_FROM_HOLOMAP   	 BITFLAG(3) // if we shouldn't be drawn on station holomaps
-#define FIRING_RANGE        	 BITFLAG(4)
+#define AREA_FLAG_FIRING_RANGE        	 BITFLAG(4)
-#define NO_CREW_EXPECTED    	 BITFLAG(5) // Areas where crew is not expected to ever be. Used to tell antag bases and such from crew-accessible areas on centcom level.
+#define AREA_FLAG_NO_CREW_EXPECTED    	 BITFLAG(5) // Areas where crew is not expected to ever be. Used to tell antag bases and such from crew-accessible areas on centcom level.
-#define PRISON              	 BITFLAG(6) // Marks prison area for purposes of checking if brigged/imprisoned
+#define AREA_FLAG_PRISON              	 BITFLAG(6) // Marks prison area for purposes of checking if brigged/imprisoned
-#define NO_GHOST_TELEPORT_ACCESS BITFLAG(7) // Marks whether ghosts should not have teleport access to this area
+#define AREA_FLAG_NO_GHOST_TELEPORT_ACCESS BITFLAG(7) // Marks whether ghosts should not have teleport access to this area
 
 // Convoluted setup so defines can be supplied by Bay12 main server compile script.
 // Should still work fine for people jamming the icons into their repo.

code/__defines/obj.dm

@@ -1,9 +1,3 @@
-#define OBJ_FLAG_ROTATABLE          (1<<1) // Can this object be rotated?
-#define OBJ_FLAG_ROTATABLE_ANCHORED (1<<2) // This object can be rotated even while anchored
-#define OBJ_FLAG_SIGNALER           (1<<3) // Can this take a signaler? only in use for machinery
-#define OBJ_FLAG_NOFALL				(1<<4) // Will prevent mobs from falling
-#define OBJ_FLAG_MOVES_UNSUPPORTED  (1<<5) // Object moves with shuttle transition even if turf below is a background turf.
-
 /obj/proc/issurgerycompatible() // set to false for things that are too unwieldy for surgery
 	return TRUE
 

code/_helpers/icon_smoothing.dm

@@ -189,7 +189,7 @@
 		return
 	if(QDELETED(A))
 		return
-	A.flags |= HTML_USE_INITAL_ICON
+	A.atom_flags |= ATOM_FLAG_HTML_USE_INITIAL_ICON
 	if((A.smoothing_flags & SMOOTH_TRUE) || (A.smoothing_flags & SMOOTH_MORE))
 		var/adjacencies = A.calculate_adjacencies()
 

code/_helpers/icons.dm

@@ -1146,7 +1146,7 @@ lighting determines lighting capturing (optional), suppress_errors suppreses err
 		if (isnull(icon_state))
 			icon_state = thing.icon_state
 			//Despite casting to atom, this code path supports mutable appearances, so let's be nice to them
-			if(isnull(icon_state) || (isatom(thing) && thing.flags & HTML_USE_INITAL_ICON))
+			if(isnull(icon_state) || (isatom(thing) && thing.atom_flags & ATOM_FLAG_HTML_USE_INITIAL_ICON))
 				icon_state = initial(thing.icon_state)
 				if (isnull(dir))
 					dir = initial(thing.dir)

code/_onclick/adjacent.dm

@@ -116,7 +116,7 @@ Quick adjacency (to turf):
 
 /*
 	This checks if you there is uninterrupted airspace between that turf and this one.
-	This is defined as any dense ON_BORDER object, or any dense object without throwpass.
+	This is defined as any dense ATOM_FLAG_CHECKS_BORDER object, or any dense object without throwpass.
 	The border_only flag allows you to not objects (for source and destination squares)
 */
 /turf/proc/ClickCross(var/target_dir, var/border_only, var/target_atom = null)
@@ -124,7 +124,7 @@ Quick adjacency (to turf):
 		if(!O.density || O == target_atom || O.throwpass)
 			continue // throwpass is used for anything you can click through
 
-		if(O.flags & ON_BORDER) // windows have throwpass but are on border, check them first
+		if(O.atom_flags & ATOM_FLAG_CHECKS_BORDER) // windows have throwpass but are on border, check them first
 			if(O.dir & target_dir || O.dir & (O.dir - 1)) // full tile windows are just diagonals mechanically
 				if(istype(target_atom, /obj/structure/window))
 					var/obj/structure/window/W = target_atom

code/_onclick/click.dm

@@ -345,7 +345,7 @@
 	var/dy = A.y - y
 
 	var/direction
-	if (loc == A.loc && A.flags & ON_BORDER)
+	if (loc == A.loc && A.atom_flags & ATOM_FLAG_CHECKS_BORDER)
 		direction = A.dir
 	else if (!dx && !dy)
 		return

code/_onclick/hud/screen_object_types/internals.dm

@@ -149,8 +149,8 @@
 	user.internal = null
 
 /obj/screen/internals/proc/has_internals_mask(var/mob/living/carbon/human/user)
-	if(user.wear_mask && HAS_FLAG(user.wear_mask.item_flags, AIRTIGHT))
+	if(user.wear_mask && HAS_FLAG(user.wear_mask.item_flags, ITEM_FLAG_AIRTIGHT))
 		return TRUE
-	if(user.head && HAS_FLAG(user.head.item_flags, AIRTIGHT))
+	if(user.head && HAS_FLAG(user.head.item_flags, ITEM_FLAG_AIRTIGHT))
 		return TRUE
 	return FALSE

code/_onclick/item_attack.dm

@@ -33,7 +33,7 @@ avoid code duplication. This includes items that may sometimes act as a standard
 	return
 
 /atom/movable/attackby(obj/item/W, mob/user)
-	if(!(W.flags & NOBLUDGEON))
+	if(!(W.item_flags & ITEM_FLAG_NO_BLUDGEON))
 		visible_message("<span class='danger'>[src] has been hit by [user] with [W].</span>")
 
 /mob/living/attackby(obj/item/I, mob/user)
@@ -86,7 +86,7 @@ avoid code duplication. This includes items that may sometimes act as a standard
 
 //I would prefer to rename this attack_as_weapon(), but that would involve touching hundreds of files.
 /obj/item/proc/attack(mob/living/M, mob/living/user, var/target_zone = BP_CHEST)
-	if(flags & NOBLUDGEON)
+	if(item_flags & ITEM_FLAG_NO_BLUDGEON)
 		return 0
 
 	if(M == user && user.a_intent != I_HURT)

code/controllers/subsystems/initialization/holomap.dm

@@ -63,7 +63,7 @@ SUBSYSTEM_DEF(holomap)
 		A = T.loc
 		Ttype = T.type
 
-		if (A.flags & HIDE_FROM_HOLOMAP)
+		if (A.area_flags & AREA_FLAG_HIDE_FROM_HOLOMAP)
 			continue
 		if (rock_tcache[Ttype])
 			continue

code/controllers/subsystems/initialization/misc_late.dm

@@ -8,7 +8,7 @@ SUBSYSTEM_DEF(misc_late)
 /datum/controller/subsystem/misc_late/Initialize(timeofday)
 	// Setup the teleport locs.
 	for(var/area/AR as anything in the_station_areas)
-		if(AR.flags & NO_GHOST_TELEPORT_ACCESS)
+		if(AR.area_flags & AREA_FLAG_NO_GHOST_TELEPORT_ACCESS)
 			continue
 		var/list/area_turfs = AR.contents
 		if (area_turfs.len) // Check the area is mapped

code/controllers/subsystems/radiation.dm

@@ -71,7 +71,7 @@ SUBSYSTEM_DEF(radiation)
 			continue // Radiation is not multi-z
 		if(source.respect_maint)
 			var/area/A = T.loc
-			if(A.flags & RAD_SHIELDED)
+			if(A.area_flags & AREA_FLAG_RAD_SHIELDED)
 				continue // In shielded area
 
 		var/dist = get_dist(source.source_turf, T)

code/datums/helper_datums/teleport.dm

@@ -166,7 +166,7 @@
 		else
 			for(var/atom/movable/A in destturf)
 				if(A != teleatom && A.density && A.anchored  && !istype(A, /obj/effect/portal))
-					if(A.flags & ON_BORDER)
+					if(A.atom_flags & ATOM_FLAG_CHECKS_BORDER)
 						if(prob(10))
 							impediment = A
 							break

code/defines/obj.dm

@@ -12,7 +12,7 @@
 	density = 0
 	unacidable = 1//Just to be sure.
 	var/def_zone
-	flags = PROXMOVE
+	movable_flags = MOVABLE_FLAG_PROXMOVE
 	pass_flags = PASSTABLE | PASSRAILING
 
 /var/list/acting_rank_prefixes = list("acting", "temporary", "interim", "provisional")
@@ -47,7 +47,7 @@
 	throwforce = 0.0
 	throw_speed = 1
 	throw_range = 20
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	drop_sound = 'sound/items/drop/rubber.ogg'
 	pickup_sound = 'sound/items/pickup/rubber.ogg'
 

code/defines/obj/weapon.dm

@@ -3,7 +3,7 @@
 	desc = "Should anything ever go wrong..."
 	icon = 'icons/obj/radio.dmi'
 	icon_state = "red_phone"
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	force = 3.0
 	throwforce = 2.0
 	throw_speed = 1
@@ -50,7 +50,7 @@
 	icon = 'icons/obj/weapons.dmi'
 	icon_state = "cane"
 	item_state = "stick"
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	force = 10
 	throwforce = 7.0
 	w_class = ITEMSIZE_LARGE
@@ -383,7 +383,7 @@
 	var/selfdestruct = 0.0
 	var/traitor_frequency = 0.0
 	var/obj/item/device/radio/origradio = null
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	slot_flags = SLOT_BELT
 	item_state = "radio"
 	throwforce = 5
@@ -435,7 +435,7 @@
 	icon_state = "std_mod"
 	w_class = ITEMSIZE_SMALL
 	item_state = "electronic"
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	usesound = 'sound/items/Deconstruct.ogg'
 	var/mtype = 1						// 1=electronic 2=hardware
 

code/game/area/areas.dm

@@ -9,6 +9,8 @@
 /area
 	var/global/global_uid = 0
 	var/uid
+	///Bitflag (Any of `AREA_FLAG_*`). See `code\__defines\misc.dm`.
+	var/area_flags
 	var/holomap_color // Color of this area on the holomap. Must be a hex color (as string) or null.
 	var/fire = null
 	var/atmosalm = 0
@@ -105,10 +107,10 @@
 	. = ..()
 
 /area/proc/is_prison()
-	return flags & PRISON
+	return area_flags & AREA_FLAG_PRISON
 
 /area/proc/is_no_crew_expected()
-	return flags & NO_CREW_EXPECTED
+	return area_flags & AREA_FLAG_NO_CREW_EXPECTED
 
 /area/proc/set_lightswitch(var/state) // Set lights in area. TRUE for on, FALSE for off, NULL for initial state.
 	if(isnull(state))

code/game/atoms.dm

@@ -1,7 +1,7 @@
 /atom
 	layer = 2
 	var/level = 2
-	var/flags = 0
+	var/atom_flags = 0
 	var/init_flags = 0
 	var/list/fingerprints
 	var/list/fingerprintshidden
@@ -107,15 +107,15 @@
 // Convenience proc to see if a container is open for chemistry handling.
 // Returns true if open, false if closed.
 /atom/proc/is_open_container()
-	return flags & OPENCONTAINER
+	return atom_flags & ATOM_FLAG_OPEN_CONTAINER
 
 /atom/proc/is_pour_container()
-	return flags & POURCONTAINER
+	return atom_flags & ATOM_FLAG_POUR_CONTAINER
 
 /atom/proc/CheckExit()
 	return 1
 
-// If you want to use this, the atom must have the PROXMOVE flag and the moving atom must also have the PROXMOVE flag currently to help with lag. -ComicIronic
+// If you want to use this, the atom must have the MOVABLE_FLAG_PROXMOVE flag and the moving atom must also have the MOVABLE_FLAG_PROXMOVE flag currently to help with lag. -ComicIronic
 /atom/proc/HasProximity(atom/movable/AM as mob|obj)
 	return
 
@@ -528,7 +528,7 @@
 // Returns 1 if made bloody, returns 0 otherwise.
 /atom/proc/add_blood(mob/living/carbon/human/M)
 
-	if(flags & NOBLOODY)
+	if(atom_flags & ATOM_FLAG_NO_BLOOD)
 		return 0
 
 	if(!blood_DNA || !istype(blood_DNA, /list))	// If our list of DNA doesn't exist yet (or isn't a list), initialise it.

code/game/gamemodes/nuclear/pinpointer.dm

@@ -2,7 +2,7 @@
 	name = "pinpointer"
 	icon = 'icons/obj/device.dmi'
 	icon_state = "pinoff"
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	slot_flags = SLOT_BELT
 	w_class = ITEMSIZE_SMALL
 	item_state = "electronic"

code/game/gamemodes/technomancer/devices/boots_of_speed.dm

@@ -8,7 +8,7 @@
 /obj/item/clothing/shoes/combat/speed
 	name = "boots of speed"
 	desc = "The latest in sure footing technology."
-	item_flags = NOSLIP
+	item_flags = ITEM_FLAG_NO_SLIP
 	siemens_coefficient = 0.6
 	slowdown = -1
 	armor = null

code/game/gamemodes/technomancer/spell_objs.dm

@@ -33,7 +33,7 @@
 		)
 	throwforce = 0
 	force = 0
-	flags = NOBLUDGEON
+	item_flags = ITEM_FLAG_NO_BLUDGEON
 	var/mob/living/carbon/human/owner
 	var/obj/item/technomancer_core/core
 	var/cast_methods = null			// Controls how the spell is casted.

code/game/gamemodes/vampire/vampire_powers.dm

@@ -47,7 +47,7 @@
 		//IPCs leak oil
 		to_chat(src, SPAN_WARNING("[T] is not a creature you can drain useful blood from."))
 		return
-	if(T.head && (T.head.item_flags & AIRTIGHT))
+	if(T.head && (T.head.item_flags & ITEM_FLAG_AIRTIGHT))
 		to_chat(src, SPAN_WARNING("[T]'s headgear is blocking the way to the neck."))
 		return
 	var/obj/item/blocked = check_mouth_coverage()

code/game/machinery/atmoalter/canister.dm

@@ -10,8 +10,7 @@
 	icon_state = "yellow"
 	density = 1
 	var/health = 100.0
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_SIGNALER | OBJ_FLAG_CONDUCTABLE
-	obj_flags = OBJ_FLAG_SIGNALER
 	w_class = ITEMSIZE_HUGE
 
 	var/valve_open = 0
@@ -354,7 +353,7 @@ update_flag
 	if(istype(W, /obj/item/mecha_equipment/clamp))
 		return
 	if(!W.iswrench() && !is_type_in_list(W, list(/obj/item/tank, /obj/item/device/analyzer, /obj/item/modular_computer)) && !issignaler(W) && !(W.iswirecutter() && signaler))
-		if(W.flags & NOBLUDGEON)
+		if(W.item_flags & ITEM_FLAG_NO_BLUDGEON)
 			return TRUE
 		visible_message(SPAN_WARNING("\The [user] hits \the [src] with \the [W]!"), SPAN_NOTICE("You hit \the [src] with \the [W]."))
 		user.do_attack_animation(src, W)

code/game/machinery/bots/bots.dm

@@ -201,7 +201,7 @@
 		return 1
 
 	for(var/obj/O in B)
-		if(O.density && !istype(O, /obj/machinery/door) && !(O.flags & ON_BORDER))
+		if(O.density && !istype(O, /obj/machinery/door) && !(O.atom_flags & ATOM_FLAG_CHECKS_BORDER))
 			return 1
 
 	return 0

code/game/machinery/camera/motion.dm

@@ -3,7 +3,7 @@
 	var/detectTime = 0
 	var/area/ai_monitored/area_motion = null
 	var/alarm_delay = 100 // Don't forget, there's another 10 seconds in queueAlarm()
-	flags = PROXMOVE
+	movable_flags = MOVABLE_FLAG_PROXMOVE
 
 /obj/machinery/camera/internal_process()
 	// motion camera event loop

code/game/machinery/doors/windowdoor.dm

@@ -11,7 +11,7 @@
 	maxhealth = 150 //If you change this, consiter changing ../door/window/brigdoor/ health at the bottom of this .dm file
 	health = 150
 	visible = 0.0
-	flags = ON_BORDER
+	atom_flags = ATOM_FLAG_CHECKS_BORDER
 	opacity = 0
 	var/obj/item/airlock_electronics/electronics = null
 	explosion_resistance = 5

code/game/machinery/flasher.dm

@@ -15,7 +15,7 @@
 	var/base_state = "mflash"
 	anchored = 1
 	idle_power_usage = 2
-	flags = PROXMOVE
+	movable_flags = MOVABLE_FLAG_PROXMOVE
 	var/_wifi_id
 	var/datum/wifi/receiver/button/flasher/wifi_receiver
 

code/game/machinery/floor_frames.dm

@@ -3,7 +3,7 @@
 	desc = "Used for building machines."
 	icon = 'icons/obj/monitors.dmi'
 	icon_state = "fire_bitem"
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	var/build_machine_type
 	var/refund_amt = 2
 	var/refund_type = /obj/item/stack/material/steel

code/game/machinery/iv_drip.dm

@@ -80,7 +80,7 @@
 /obj/machinery/iv_drip/Crossed(var/mob/H)
 	if(ishuman(H))
 		var/mob/living/carbon/human/M = H
-		if(M.shoes?.item_flags & LIGHTSTEP)
+		if(M.shoes?.item_flags & ITEM_FLAG_LIGHT_STEP)
 			return
 		if(M.incapacitated())
 			return

code/game/machinery/magnet.dm

@@ -169,7 +169,7 @@
 		center = locate(x+center_x, y+center_y, z)
 		if(center)
 			for(var/obj/M in orange(magnetic_field, center))
-				if(!M.anchored && (M.flags & CONDUCT))
+				if(!M.anchored && (M.obj_flags & OBJ_FLAG_CONDUCTABLE))
 					step_towards(M, center)
 
 			for(var/mob/living/silicon/S in orange(magnetic_field, center))

code/game/machinery/wall_frames.dm

@@ -3,7 +3,7 @@
 	desc = "Used for building machines."
 	icon = 'icons/obj/monitors.dmi'
 	icon_state = "fire_bitem"
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	var/build_machine_type
 	var/refund_amt = 2
 	var/refund_type = /obj/item/stack/material/steel

code/game/objects/effects/decals/Cleanable/humans.dm

@@ -96,7 +96,7 @@
 		if(perp.shoes && !perp.buckled_to)//Adding blood to shoes
 			var/obj/item/clothing/shoes/S = perp.shoes
 			if(istype(S))
-				if(S.item_flags & LIGHTSTEP)
+				if(S.item_flags & ITEM_FLAG_LIGHT_STEP)
 					return
 				S.blood_color = basecolor
 				S.track_footprint = max(amount, S.track_footprint)

code/game/objects/effects/effect_system.dm

@@ -128,11 +128,11 @@ steam.start() -- spawns the effect
 	if (istype(M))
 		return 0
 	if (M.internal != null)
-		if(M.wear_mask && (M.wear_mask.item_flags & AIRTIGHT))
+		if(M.wear_mask && (M.wear_mask.item_flags & ITEM_FLAG_AIRTIGHT))
 			return 0
 		if(istype(M,/mob/living/carbon/human))
 			var/mob/living/carbon/human/H = M
-			if(H.head && (H.head.item_flags & AIRTIGHT))
+			if(H.head && (H.head.item_flags & ITEM_FLAG_AIRTIGHT))
 				return 0
 		return 0
 	return 1

code/game/objects/items.dm

@@ -234,7 +234,7 @@
 			if(armor[type])
 				AddComponent(/datum/component/armor, armor)
 				break
-	if(flags & HELDMAPTEXT)
+	if(item_flags & ITEM_FLAG_HELD_MAP_TEXT)
 		set_initial_maptext()
 		check_maptext()
 
@@ -520,7 +520,7 @@
 /obj/item/proc/pickup(mob/user)
 	pixel_x = 0
 	pixel_y = 0
-	if(flags & HELDMAPTEXT)
+	if(item_flags & ITEM_FLAG_HELD_MAP_TEXT)
 		addtimer(CALLBACK(src, PROC_REF(check_maptext)), 1) // invoke async does not work here
 	do_pickup_animation(user)
 
@@ -710,7 +710,7 @@ var/list/global/slot_flags_enumeration = list(
 
 // override for give shenanigans
 /obj/item/proc/on_give(var/mob/giver, var/mob/receiver)
-	if(flags & HELDMAPTEXT)
+	if(item_flags & ITEM_FLAG_HELD_MAP_TEXT)
 		check_maptext()
 
 //This proc is executed when someone clicks the on-screen UI button. To make the UI button show, set the 'icon_action_button' to the icon_state of the image of the button in screen1_action.dmi
@@ -784,7 +784,7 @@ var/list/global/slot_flags_enumeration = list(
 	M.eye_blurry += rand(3,4)
 
 /obj/item/proc/protects_eyestab(var/obj/stab_item, var/stabbed = FALSE) // if stabbed is set to true if we're being stabbed and not just checking
-	if((item_flags & THICKMATERIAL) && (body_parts_covered & EYES))
+	if((item_flags & ITEM_FLAG_THICK_MATERIAL) && (body_parts_covered & EYES))
 		return TRUE
 	return FALSE
 
@@ -1177,12 +1177,12 @@ modules/mob/living/carbon/human/life.dm if you die, you will be zoomed out.
 
 /obj/item/throw_at()
 	..()
-	if(flags & HELDMAPTEXT)
+	if(item_flags & ITEM_FLAG_HELD_MAP_TEXT)
 		check_maptext()
 
 /obj/item/dropped(var/mob/user)
 	..()
-	if(flags & HELDMAPTEXT)
+	if(item_flags & ITEM_FLAG_HELD_MAP_TEXT)
 		check_maptext()
 
 // used to check whether the item is capable of popping things like balloons, inflatable barriers, or cutting police tape.

code/game/objects/items/apc_frame.dm

@@ -5,7 +5,7 @@
 	desc = "Used for repairing or building APCs"
 	icon = 'icons/obj/apc_repair.dmi'
 	icon_state = "apc_frame"
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 
 /obj/item/frame/apc/attackby(obj/item/W as obj, mob/user as mob)
 	if (W.iswrench())

code/game/objects/items/contraband.dm

@@ -47,7 +47,7 @@
 	starts_with = list(/obj/item/reagent_containers/pill/skrell_nootropic = 7)
 
 /obj/item/reagent_containers/glass/beaker/vial/random
-	flags = 0
+	atom_flags = 0
 	var/list/random_reagent_list = list(list(/singleton/reagent/water = 15) = 1, list(/singleton/reagent/spacecleaner = 15) = 1)
 
 /obj/item/reagent_containers/glass/beaker/vial/random/toxin
@@ -65,7 +65,7 @@
 /obj/item/reagent_containers/glass/beaker/vial/random/Initialize()
 	. = ..()
 	if(is_open_container())
-		flags ^= OPENCONTAINER
+		atom_flags ^= ATOM_FLAG_OPEN_CONTAINER
 
 	var/list/picked_reagents = pickweight(random_reagent_list)
 	for(var/reagent in picked_reagents)
@@ -81,34 +81,34 @@
 
 
 /obj/item/reagent_containers/glass/beaker/vial/venenum
-	flags = 0
+	atom_flags = 0
 
 /obj/item/reagent_containers/glass/beaker/vial/venenum/Initialize()
 	. = ..()
 	if(is_open_container())
-		flags ^= OPENCONTAINER
+		atom_flags ^= ATOM_FLAG_OPEN_CONTAINER
 	reagents.add_reagent(/singleton/reagent/venenum,volume)
 	desc = "Contains venenum."
 	update_icon()
 
 /obj/item/reagent_containers/glass/beaker/vial/nerveworm_eggs
-	flags = 0
+	atom_flags = 0
 
 /obj/item/reagent_containers/glass/beaker/vial/nerveworm_eggs/Initialize()
 	. = ..()
 	if(is_open_container())
-		flags ^= OPENCONTAINER
+		atom_flags ^= ATOM_FLAG_OPEN_CONTAINER
 	reagents.add_reagent(/singleton/reagent/toxin/nerveworm_eggs, 2)
 	desc = "<b>BIOHAZARDOUS! - Nerve Fluke eggs.</b> Purchased from <i>SciSupply Eridani</i>, recently incorporated into <i>Zeng-Hu Pharmaceuticals' Keiretsu</i>!"
 	update_icon()
 
 /obj/item/reagent_containers/glass/beaker/vial/heartworm_eggs
-	flags = 0
+	atom_flags = 0
 
 /obj/item/reagent_containers/glass/beaker/vial/heartworm_eggs/Initialize()
 	. = ..()
 	if(is_open_container())
-		flags ^= OPENCONTAINER
+		atom_flags ^= ATOM_FLAG_OPEN_CONTAINER
 	reagents.add_reagent(/singleton/reagent/toxin/heartworm_eggs, 2)
 	desc = "<b>BIOHAZARDOUS! - Heart Fluke eggs.</b> Purchased from <i>SciSupply Eridani</i>, recently incorporated into <i>Zeng-Hu Pharmaceuticals' Keiretsu</i>!"
 	update_icon()

code/game/objects/items/defib.dm

@@ -324,7 +324,7 @@
 /obj/item/shockpaddles/proc/check_contact(mob/living/carbon/human/H)
 	if(!combat)
 		for(var/obj/item/clothing/cloth in list(H.wear_suit, H.w_uniform))
-			if((cloth.body_parts_covered & UPPER_TORSO) && (cloth.item_flags & THICKMATERIAL))
+			if((cloth.body_parts_covered & UPPER_TORSO) && (cloth.item_flags & ITEM_FLAG_THICK_MATERIAL))
 				return FALSE
 	return TRUE
 

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

@@ -4,7 +4,7 @@
 	desc = "A pair of binoculars."
 	icon_state = "binoculars"
 
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	force = 5.0
 	w_class = ITEMSIZE_SMALL
 	throwforce = 5.0

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

@@ -3,7 +3,7 @@
 	desc = "A strange device."
 	desc_antag = "This device can let you disguise as common objects. Click on an object with this in your active hand to scan it, then activate it to use it in your hand."
 	icon_state = "shield0"
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	slot_flags = SLOT_BELT
 	item_state = "electronic"
 	throwforce = 5

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

@@ -4,7 +4,7 @@
 	desc = "Used to debug electronic equipment."
 	icon = 'icons/obj/hacktool.dmi'
 	icon_state = "hacktool-g"
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	force = 5
 	w_class = ITEMSIZE_SMALL
 	throwforce = 5

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

@@ -8,7 +8,7 @@
 	w_class = ITEMSIZE_SMALL
 	throw_speed = 4
 	throw_range = 10
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	origin_tech = list(TECH_MAGNET = 2, TECH_COMBAT = 1)
 
 	var/times_used = 0 //Number of times it's been used.

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

@@ -8,7 +8,7 @@
 	w_class = ITEMSIZE_SMALL
 	throw_speed = 4
 	throw_range = 10
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	var/list/storedwarrant = list() //All the warrants currently stored
 	var/activename = null
 	var/activecharges = null

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

@@ -10,7 +10,7 @@
 	icon_state = "flashlight"
 	item_state = "flashlight"
 	w_class = ITEMSIZE_SMALL
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	slot_flags = SLOT_BELT
 	light_color = LIGHT_COLOR_HALOGEN
 	uv_intensity = 50
@@ -304,7 +304,7 @@
 	item_state = "pen"
 	drop_sound = 'sound/items/drop/accessory.ogg'
 	pickup_sound = 'sound/items/pickup/accessory.ogg'
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	slot_flags = SLOT_EARS
 	brightness_on = 2
 	w_class = ITEMSIZE_TINY
@@ -315,7 +315,7 @@
 	desc = "A miniature lamp, that might be used by small robots."
 	icon_state = "penlight"
 	item_state = ""
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	brightness_on = 2
 	efficiency_modifier = 2
 	w_class = ITEMSIZE_TINY
@@ -375,7 +375,7 @@
 	desc = "Some nifty lamps drawing from internal battery sources to produce a light, though a dim one."
 	icon_state = "headlights"
 	item_state = "headlights"
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	slot_flags = SLOT_HEAD | SLOT_EARS
 	brightness_on = 2
 	w_class = ITEMSIZE_TINY

code/game/objects/items/devices/lighting/lamp.dm

@@ -9,7 +9,7 @@
 	brightness_on = 4
 	flashlight_power = 1.0
 	w_class = ITEMSIZE_HUGE
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	uv_intensity = 100
 	power_use = FALSE
 	on = TRUE

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

@@ -7,7 +7,7 @@
 	icon_state = "locator"
 
 	// Copied from debugger.dm
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	force = 5.0
 	w_class = ITEMSIZE_SMALL
 	throwforce = 5.0

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

@@ -44,7 +44,7 @@
 	icon_state = "lightreplacer"
 	item_state = "lightreplacer"
 
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	slot_flags = SLOT_BELT
 	origin_tech = list(TECH_MAGNET = 3, TECH_MATERIAL = 2)
 

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

@@ -8,7 +8,7 @@
 	item_state = "megaphone"
 	contained_sprite = TRUE
 	w_class = ITEMSIZE_SMALL
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 
 	var/spamcheck = 0
 	var/emagged = 0

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

@@ -12,7 +12,7 @@
 	item_state = "multitool"
 	item_icons = null
 	contained_sprite = TRUE
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	force = 5.0
 	w_class = ITEMSIZE_SMALL
 	throwforce = 5.0

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

@@ -5,7 +5,7 @@
 	icon_state = "pin_extractor"
 	item_state = "pin_extractor"
 	w_class = ITEMSIZE_SMALL
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	action_button_name = "Toggle extractor"
 	var/on = 0
 	var/activation_sound = 'sound/effects/lighton.ogg'

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

@@ -6,7 +6,7 @@
 	icon_state = "powersink0"
 	item_state = "powersink0"
 	w_class = ITEMSIZE_LARGE
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	throwforce = 5
 	throw_speed = 1
 	throw_range = 2

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

@@ -3,7 +3,7 @@
 	desc = "Dance my monkeys! DANCE!!!"
 	icon_state = "electropack0"
 	item_state = "electropack"
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	slot_flags = SLOT_BACK
 	w_class = ITEMSIZE_HUGE
 

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

@@ -202,7 +202,7 @@
 	desc_info = "This radio doubles as a pair of earmuffs by providing sound protection."
 	icon_state = "earset"
 	item_state = "earset"
-	item_flags = SOUNDPROTECTION
+	item_flags = ITEM_FLAG_SOUND_PROTECTION
 	slot_flags = SLOT_EARS | SLOT_TWOEARS
 
 /obj/item/device/radio/headset/wrist
@@ -652,7 +652,7 @@
 	icon = 'icons/obj/clothing/ears/earmuffs.dmi'
 	icon_state = "earmuffs"
 	item_state = "earmuffs"
-	item_flags = SOUNDPROTECTION
+	item_flags = ITEM_FLAG_SOUND_PROTECTION
 	slot_flags = SLOT_EARS | SLOT_TWOEARS
 
 /obj/item/device/radio/headset/syndicate

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

@@ -27,8 +27,8 @@ pixel_x = 8;
 	appearance_flags = TILE_BOUND // prevents people from viewing the overlay through a wall
 	w_class = ITEMSIZE_LARGE
 	canhear_range = 2
-	flags = CONDUCT | NOBLOODY
+	atom_flags = ATOM_FLAG_NO_BLOOD
-	obj_flags = OBJ_FLAG_MOVES_UNSUPPORTED
+	obj_flags = OBJ_FLAG_MOVES_UNSUPPORTED | OBJ_FLAG_CONDUCTABLE
 	var/number = 0
 	var/obj/machinery/abstract/intercom_listener/power_interface
 	var/global/list/screen_overlays

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

@@ -42,7 +42,7 @@ var/global/list/default_interrogation_channels = list(
 	icon = 'icons/obj/radio.dmi'
 	icon_state = "walkietalkie"
 	item_state = "radio"
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	slot_flags = SLOT_BELT
 	throw_speed = 2
 	throw_range = 9

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

@@ -12,7 +12,7 @@ BREATH ANALYZER
 	desc = "A hand-held body scanner able to distinguish vital signs of the subject."
 	icon_state = "health"
 	item_state = "healthanalyzer"
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	slot_flags = SLOT_BELT
 	throwforce = 3
 	w_class = ITEMSIZE_SMALL
@@ -373,7 +373,7 @@ BREATH ANALYZER
 	item_state = "analyzer"
 	contained_sprite = TRUE
 	w_class = ITEMSIZE_SMALL
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	slot_flags = SLOT_BELT
 	throwforce = 5
 	throw_speed = 4
@@ -407,7 +407,8 @@ BREATH ANALYZER
 	icon_state = "spectrometer"
 	item_state = "analyzer"
 	w_class = ITEMSIZE_SMALL
-	flags = CONDUCT | OPENCONTAINER
+	atom_flags = ATOM_FLAG_OPEN_CONTAINER
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	slot_flags = SLOT_BELT
 	throwforce = 5
 	throw_speed = 4
@@ -480,7 +481,7 @@ BREATH ANALYZER
 	icon_state = "reagent_scanner"
 	item_state = "analyzer"
 	w_class = ITEMSIZE_SMALL
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	slot_flags = SLOT_BELT
 	throwforce = 5
 	throw_speed = 4
@@ -521,7 +522,7 @@ BREATH ANALYZER
 	item_state = "analyzer"
 	origin_tech = list(TECH_BIO = 1)
 	w_class = ITEMSIZE_SMALL
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	throwforce = 0
 	throw_speed = 3
 	throw_range = 7
@@ -562,7 +563,7 @@ BREATH ANALYZER
 	name = "price scanner"
 	desc = "Using an up-to-date database of various costs and prices, this device estimates the market price of an item up to 0.001% accuracy."
 	icon_state = "price_scanner"
-	flags = NOBLUDGEON
+	item_flags = ITEM_FLAG_NO_BLUDGEON
 	slot_flags = SLOT_BELT
 	w_class = ITEMSIZE_SMALL
 	throwforce = 0
@@ -584,7 +585,7 @@ BREATH ANALYZER
 	icon_state = "breath_analyzer"
 	item_state = "analyzer"
 	w_class = ITEMSIZE_SMALL
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	slot_flags = SLOT_BELT
 	throwforce = 0
 	throw_speed = 3

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

@@ -6,7 +6,7 @@
 	item_state = "nothing"
 	layer = TURF_LAYER+0.2
 
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	force = 5.0
 	w_class = ITEMSIZE_TINY
 	slot_flags = SLOT_EARS

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

@@ -10,7 +10,7 @@
 	slot_flags = SLOT_BACK	//you can carry it on your back if you want, but it won't do anything unless attached to suit storage
 
 	//copied from tank.dm
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	force = 5.0
 	throwforce = 10.0
 	throw_speed = 1

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

@@ -16,7 +16,7 @@
 	var/list/timestamp = list()
 	var/can_print = TRUE
 	var/obj/item/computer_hardware/hard_drive/portable/portable_drive
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	throwforce = 2
 	throw_speed = 4
 	throw_range = 20

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

@@ -22,7 +22,7 @@ effective or pretty fucking useless.
 	w_class = ITEMSIZE_TINY
 	throw_speed = 4
 	throw_range = 10
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	item_state = "electronic"
 	origin_tech = list(TECH_MAGNET = 3, TECH_COMBAT = 3, TECH_ILLEGAL = 3)
 

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

@@ -9,7 +9,7 @@
 	var/mob/attacher = null
 	var/valve_open = 0
 	var/toggle = 1
-	flags = PROXMOVE
+	movable_flags = MOVABLE_FLAG_PROXMOVE
 
 /obj/item/device/transfer_valve/proc/process_activation(var/obj/item/device/D)
 

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

@@ -358,7 +358,7 @@ Then check if it's true, if true return. This will stop the normal menu appearin
 	desc = "A small device used for access restricted sites in the remote corners of the Extranet."
 	icon = 'icons/obj/radio.dmi'
 	icon_state = "radio"
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	w_class = ITEMSIZE_SMALL
 
 /obj/item/device/contract_uplink/Initialize(var/mapload, var/mind)
@@ -403,7 +403,7 @@ Then check if it's true, if true return. This will stop the normal menu appearin
 	desc_antag = "This is hidden uplink! Use it in-hand to access the uplink interface and spend telecrystals to beam in items. Make sure to do it in private, it could look suspicious!"
 	icon = 'icons/obj/radio.dmi'
 	icon_state = "radio"
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	w_class = ITEMSIZE_SMALL
 
 	///Amount of starting telecrystals. Defaults to default amount if not set.

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

@@ -4,7 +4,7 @@
 	icon_state = "voice0"
 	item_state = "flashbang"	//looks exactly like a flash (and nothing like a flashbang)
 	w_class = ITEMSIZE_TINY
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 
 	var/use_message = "Halt! Security!"
 	var/spamcheck = 0

code/game/objects/items/glassjar.dm

@@ -20,7 +20,7 @@
 	w_class = ITEMSIZE_SMALL
 	matter = list(MATERIAL_GLASS = 200)
 	recyclable = TRUE
-	flags = NOBLUDGEON
+	item_flags = ITEM_FLAG_NO_BLUDGEON
 	var/contains = JAR_NOTHING // 0 = nothing, 1 = money, 2 = animal, 3 = spiderling, 4 = gumballs, 5 = holder
 	var/list/contained = list()
 	drop_sound = 'sound/items/drop/glass.ogg'

code/game/objects/items/stacks/rods.dm

@@ -22,7 +22,7 @@ var/global/list/datum/stack_recipe/rod_recipes = list(
 	Clicking on a floor without any tiles will reinforce the floor.  You can make reinforced glass by combining rods and normal glass sheets."
 	singular_name = "metal rod"
 	icon_state = "rods"
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	w_class = ITEMSIZE_NORMAL
 	force = 9.0
 	throwforce = 15.0
@@ -141,7 +141,7 @@ var/global/list/datum/stack_recipe/rod_recipes = list(
 
 	for(var/obj/O in user.loc) //Objects, we don't care about mobs. Turfs are checked elsewhere
 		if(O.density)
-			if(!(O.flags & ON_BORDER) || O.dir == user.dir)
+			if(!(O.atom_flags & ATOM_FLAG_CHECKS_BORDER) || O.dir == user.dir)
 				return
 
 	var/build_stack = amount

code/game/objects/items/stacks/stack.dm

@@ -12,7 +12,7 @@
 /obj/item/stack
 	gender = PLURAL
 	origin_tech = list(TECH_MATERIAL = 1)
-	flags = HELDMAPTEXT
+	item_flags = ITEM_FLAG_HELD_MAP_TEXT
 	var/list/datum/stack_recipe/recipes
 	var/singular_name
 	var/amount = 1

code/game/objects/items/stacks/telecrystal.dm

@@ -9,7 +9,7 @@
 	icon_state = "telecrystal"
 	w_class = ITEMSIZE_TINY
 	max_amount = 50
-	flags = NOBLUDGEON
+	item_flags = ITEM_FLAG_NO_BLUDGEON
 	origin_tech = list(TECH_MATERIAL = 6, TECH_BLUESPACE = 4)
 	icon_has_variants = TRUE
 	var/crystal_type = CRYSTAL_TYPE_TELECRYSTAL

code/game/objects/items/stacks/tiles/tile_types.dm

@@ -23,6 +23,8 @@
 	randpixel = 7
 	drop_sound = 'sound/items/drop/axe.ogg'
 	pickup_sound = 'sound/items/pickup/axe.ogg'
+	item_flags = 0
+	obj_flags = 0
 
 /obj/item/stack/tile/New()
 	..()
@@ -40,7 +42,6 @@
 	throwforce = 1.0
 	throw_speed = 5
 	throw_range = 20
-	flags = 0
 	origin_tech = list(TECH_BIO = 1)
 	drop_sound = 'sound/items/drop/herb.ogg'
 	pickup_sound = 'sound/items/pickup/herb.ogg'
@@ -57,7 +58,6 @@
 	throwforce = 1.0
 	throw_speed = 5
 	throw_range = 20
-	flags = 0
 	drop_sound = 'sound/items/drop/wooden.ogg'
 	pickup_sound = 'sound/items/pickup/wooden.ogg'
 
@@ -108,7 +108,6 @@
 	throwforce = 1.0
 	throw_speed = 5
 	throw_range = 20
-	flags = 0
 	drop_sound = 'sound/items/drop/cloth.ogg'
 	pickup_sound = 'sound/items/pickup/cloth.ogg'
 
@@ -177,7 +176,6 @@
 	throwforce = 1.0
 	throw_speed = 5
 	throw_range = 20
-	flags = 0
 	drop_sound = 'sound/items/drop/cloth.ogg'
 	pickup_sound = 'sound/items/pickup/cloth.ogg'
 	matter = list(MATERIAL_PLASTIC = TILE_MATERIAL_AMOUNT)
@@ -200,7 +198,7 @@
 	throwforce = 15.0
 	throw_speed = 5
 	throw_range = 20
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 
 /obj/item/stack/tile/circuit_green
 	name = "circuit tile"
@@ -212,7 +210,7 @@
 	throwforce = 15.0
 	throw_speed = 5
 	throw_range = 20
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 
 /*
  * Floors
@@ -228,7 +226,7 @@
 	throwforce = 6
 	throw_speed = 5
 	throw_range = 10
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 
 /obj/item/stack/tile/floor/full_stack/Initialize(mapload)
 	. = ..()

code/game/objects/items/sticker.dm

@@ -3,7 +3,7 @@
 	desc = "It's a sticker."
 	icon = 'icons/obj/sticker.dmi'
 	icon_state = "sticker"
-	flags = NOBLUDGEON
+	item_flags = ITEM_FLAG_NO_BLUDGEON
 	w_class = ITEMSIZE_TINY
 	vis_flags = VIS_INHERIT_LAYER | VIS_INHERIT_DIR
 

code/game/objects/items/toys.dm

@@ -571,7 +571,7 @@
 	drop_sound = 'sound/items/drop/gun.ogg'
 	pickup_sound = /singleton/sound_category/sword_pickup_sound
 	equip_sound = /singleton/sound_category/sword_equip_sound
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	slot_flags = SLOT_BELT | SLOT_BACK
 	force = 5
 	throwforce = 5
@@ -602,7 +602,7 @@
 /obj/item/toy/snappop/Crossed(H as mob|obj)
 	if((ishuman(H))) //i guess carp and shit shouldn't set them off
 		var/mob/living/carbon/human/M = H
-		if(M.shoes?.item_flags & LIGHTSTEP)
+		if(M.shoes?.item_flags & ITEM_FLAG_LIGHT_STEP)
 			return
 		if(M.m_intent == M_RUN)
 			to_chat(M, SPAN_WARNING("You step on the snap pop!"))

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

@@ -12,7 +12,7 @@ AI MODULES
 	icon_state = "std_mod"
 	item_state = "electronic"
 	desc = "An AI Module for transmitting encrypted instructions to the AI."
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	force = 5.0
 	w_class = ITEMSIZE_SMALL
 	throwforce = 5.0

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

@@ -22,7 +22,7 @@
 	opacity = FALSE
 	density = FALSE
 	anchored = FALSE
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	force = 5
 	throwforce = 10
 	throw_speed = 1

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

@@ -7,7 +7,7 @@
 	desc = "Extracts information on wounds."
 	icon = 'icons/obj/device.dmi'
 	icon_state = "autopsy"
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	w_class = ITEMSIZE_SMALL
 	origin_tech = list(TECH_MATERIAL = 1, TECH_BIO = 1)
 	var/list/datum/autopsy_data_scanner/wdata = list()

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

@@ -260,7 +260,7 @@
 	icon_state = "urn"
 	applies_material_colour = TRUE
 	w_class = ITEMSIZE_SMALL
-	flags = NOBLUDGEON
+	item_flags = ITEM_FLAG_NO_BLUDGEON
 
 /obj/item/material/urn/afterattack(var/obj/A, var/mob/user, var/proximity)
 	if(!istype(A, /obj/effect/decal/cleanable/ash))

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

@@ -32,7 +32,7 @@
 /obj/item/clothing/mask/chewable/Initialize()
 	create_reagents(chem_volume) // making the cigarrete a chemical holder with a maximum volume of 15
 	. = ..()
-	flags |= NOREACT // so it doesn't react until you light it
+	atom_flags |= ATOM_FLAG_NO_REACT // so it doesn't react until you light it
 	if(wrapped)
 		slot_flags = null
 		update_icon()

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

@@ -172,7 +172,7 @@ CIGARETTE PACKETS ARE IN FANCY.DM
 
 /obj/item/clothing/mask/smokable/Initialize()
 	. = ..()
-	flags |= NOREACT // so it doesn't react until you light it
+	atom_flags |= ATOM_FLAG_NO_REACT // so it doesn't react until you light it
 	create_reagents(chem_volume) // making the cigarrete a chemical holder with a maximum volume of 15
 
 /obj/item/clothing/mask/smokable/process()
@@ -213,7 +213,7 @@ CIGARETTE PACKETS ARE IN FANCY.DM
 			e.start()
 			qdel(src)
 			return
-		flags &= ~NOREACT // allowing reagents to react after being lit
+		atom_flags &= ~ATOM_FLAG_NO_REACT // allowing reagents to react after being lit
 		reagents.handle_reactions()
 		icon_state = icon_on
 		item_state = icon_on
@@ -705,7 +705,7 @@ CIGARETTE PACKETS ARE IN FANCY.DM
 		)
 	w_class = ITEMSIZE_TINY
 	throwforce = 4
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	slot_flags = SLOT_BELT
 	attack_verb = list("burnt", "singed")
 	var/base_state

code/game/objects/items/weapons/circuitboards/circuitboard.dm

@@ -12,7 +12,7 @@
 	item_state = "electronic"
 	origin_tech = list(TECH_DATA = 2)
 	w_class = ITEMSIZE_SMALL
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	force = 5
 	throwforce = 5
 	throw_speed = 3

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

@@ -9,7 +9,7 @@
 	icon = 'icons/obj/device.dmi'
 	icon_state = "shield0"
 	var/active = 0.0
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	item_state = "electronic"
 	throwforce = 10.0
 	throw_speed = 2

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

@@ -246,7 +246,7 @@
 	icon_state = "ecartridge"
 	matter = list(MATERIAL_STEEL = 50, MATERIAL_GLASS = 10)
 	volume = 20
-	flags = OPENCONTAINER
+	atom_flags = ATOM_FLAG_OPEN_CONTAINER
 
 /obj/item/reagent_containers/ecig_cartridge/examine(mob/user)
 	. = ..()

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

@@ -5,7 +5,7 @@
 	icon = 'icons/obj/assemblies.dmi'
 	icon_state = "plastic-explosive0"
 	item_state = "plasticx"
-	flags = NOBLUDGEON
+	item_flags = ITEM_FLAG_NO_BLUDGEON
 	w_class = ITEMSIZE_SMALL
 	origin_tech = list(TECH_ILLEGAL = 2)
 	var/datum/wires/explosive/c4/wires = null

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

@@ -5,7 +5,8 @@
 	icon_state = "metal_canister"
 	item_state = "metal_canister"
 	hitsound = 'sound/weapons/smash.ogg'
-	flags = CONDUCT | OPENCONTAINER
+	atom_flags = ATOM_FLAG_OPEN_CONTAINER
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	throwforce = 8
 	w_class = ITEMSIZE_NORMAL
 	throw_speed = 2
@@ -22,9 +23,9 @@
 /obj/item/reagent_containers/extinguisher_refill/attackby(obj/item/O, mob/user)
 	if(O.isscrewdriver())
 		if(is_open_container())
-			flags &= ~OPENCONTAINER
+			atom_flags &= ~ATOM_FLAG_OPEN_CONTAINER
 		else
-			flags |= OPENCONTAINER
+			atom_flags |= ATOM_FLAG_OPEN_CONTAINER
 		to_chat(user, SPAN_NOTICE("Using \the [O], you [is_open_container() ? "unsecure" : "secure"] the cartridge's lid!"))
 		return TRUE
 
@@ -48,7 +49,7 @@
 	if(is_open_container())
 		if(LAZYLEN(reagents.reagent_volumes))
 			to_chat(user,"<span class='notice'>With a quick twist of the cartridge's lid, you secure the reagents inside \the [src].</span>")
-			flags &= ~OPENCONTAINER
+			atom_flags &= ~ATOM_FLAG_OPEN_CONTAINER
 		else
 			to_chat(user,"<span class='notice'>You can't secure the cartridge without putting reagents in!</span>")
 	else
@@ -78,7 +79,7 @@
 /obj/item/reagent_containers/extinguisher_refill/filled/Initialize()
 	. = ..()
 	reagents.add_reagent(/singleton/reagent/toxin/fertilizer/monoammoniumphosphate, volume)
-	flags &= ~OPENCONTAINER
+	atom_flags &= ~ATOM_FLAG_OPEN_CONTAINER
 
 /obj/item/extinguisher
 	name = "fire extinguisher"
@@ -87,7 +88,7 @@
 	icon_state = "fire_extinguisher0"
 	item_state = "fire_extinguisher"
 	hitsound = 'sound/weapons/smash.ogg'
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	throwforce = 10
 	w_class = ITEMSIZE_HUGE
 	throw_speed = 2
@@ -112,7 +113,7 @@
 	icon_state = "miniFE0"
 	item_state = "miniFE"
 	hitsound = null	//it is much lighter, after all.
-	flags = OPENCONTAINER
+	atom_flags = ATOM_FLAG_OPEN_CONTAINER
 	throwforce = 2
 	w_class = ITEMSIZE_SMALL
 	force = 2.0

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

@@ -7,7 +7,7 @@
 	contained_sprite = TRUE
 
 	w_class = ITEMSIZE_LARGE
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	force = 3
 	throwforce = 10
 	throw_speed = 1

code/game/objects/items/weapons/grenades/grenade.dm

@@ -11,7 +11,7 @@
 	item_state = "grenade"
 	throw_speed = 4
 	throw_range = 20
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	slot_flags = SLOT_BELT
 	contained_sprite = 1
 	var/active = 0

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

@@ -7,7 +7,7 @@
 	sprite_sheets = list(
 		BODYTYPE_VAURCA_BULWARK = 'icons/mob/species/bulwark/cuff.dmi'
 	)
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	slot_flags = SLOT_BELT
 	throwforce = 5
 	w_class = ITEMSIZE_SMALL

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

@@ -44,7 +44,7 @@
 	desc = "A rod with some wire wrapped around the top. It'd be easy to attach something to the top bit."
 	icon_state = "wiredrod"
 	item_state = "rods"
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	force = 8
 	throwforce = 10
 	w_class = ITEMSIZE_NORMAL

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

@@ -5,7 +5,7 @@
 	icon_state = "ipc_tag_scanner"
 	item_state = "ipc_tag_scanner"
 	contained_sprite = TRUE
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	slot_flags = SLOT_BELT
 	throwforce = 3
 	w_class = ITEMSIZE_SMALL

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

@@ -59,7 +59,7 @@
 	if(deployed || ignore_deployment)
 		if(ishuman(AM))
 			var/mob/living/carbon/human/H = AM
-			if(H.shoes?.item_flags & LIGHTSTEP)
+			if(H.shoes?.item_flags & ITEM_FLAG_LIGHT_STEP)
 				..()
 				return
 		if(isliving(AM))

code/game/objects/items/weapons/material/caltrops.dm

@@ -24,7 +24,7 @@
 			return
 		if(H.resting)
 			return
-		if(H.shoes?.item_flags & LIGHTSTEP)
+		if(H.shoes?.item_flags & ITEM_FLAG_LIGHT_STEP)
 			return
 
 		to_chat(H, SPAN_DANGER("You step on \the [src]!"))

code/game/objects/items/weapons/material/knives.dm

@@ -7,7 +7,7 @@
 	contained_sprite = TRUE
 	icon_state = "knife"
 	desc = "A general purpose Chef's Knife made by SpaceCook Incorporated. Guaranteed to stay sharp for years to come."
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	sharp = 1
 	edge = TRUE
 	var/active = 1 // For butterfly knives

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

@@ -351,7 +351,7 @@
 	desc = "A robust tree-cutting chainsaw intended to cut down various types of invasive spaceplants that grow on the station."
 	icon_state = "chainsaw_off"
 	base_icon = "chainsaw_off"
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	force = 10
 	force_unwielded = 10
 	force_wielded = 20

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

@@ -6,7 +6,7 @@
 	sharp = 0
 	edge = FALSE
 	armor_penetration = 20
-	flags = NOBLOODY
+	atom_flags = ATOM_FLAG_NO_BLOOD
 	can_embed = 0//No embedding pls
 	var/base_reflectchance = 40
 	var/base_block_chance = 25
@@ -141,7 +141,8 @@
 	throw_speed = 5
 	throw_range = 10
 	w_class = ITEMSIZE_HUGE
-	flags = CONDUCT | NOBLOODY
+	atom_flags = ATOM_FLAG_NO_BLOOD
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	origin_tech = list(TECH_COMBAT = 6, TECH_PHORON = 4, TECH_MATERIAL = 7, TECH_ILLEGAL = 4)
 	attack_verb = list("stabbed", "chopped", "sliced", "cleaved", "slashed", "cut")
 	sharp = 1
@@ -189,7 +190,8 @@
 	throw_speed = 1
 	throw_range = 5
 	w_class = ITEMSIZE_NORMAL
-	flags = CONDUCT | NOBLOODY
+	atom_flags = ATOM_FLAG_NO_BLOOD
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	origin_tech = list(TECH_MAGNET = 3, TECH_COMBAT = 4)
 	attack_verb = list("attacked", "chopped", "cleaved", "torn", "cut")
 	sharp = 1
@@ -236,7 +238,7 @@
 	throw_speed = 1
 	throw_range = 5
 	w_class = ITEMSIZE_SMALL
-	flags = NOBLOODY
+	atom_flags = ATOM_FLAG_NO_BLOOD
 	origin_tech = list(TECH_MAGNET = 3, TECH_ILLEGAL = 4)
 	sharp = 1
 	edge = TRUE
@@ -402,7 +404,7 @@
 	throw_speed = 1
 	throw_range = 1
 	w_class = ITEMSIZE_LARGE//So you can't hide it in your pocket or some such.
-	flags = NOBLOODY
+	atom_flags = ATOM_FLAG_NO_BLOOD
 	attack_verb = list("attacked", "slashed", "stabbed", "sliced", "torn", "ripped", "diced", "cut")
 	var/mob/living/creator
 	base_reflectchance = 140

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

@@ -13,7 +13,7 @@
 	desc = "A tool used by great men to placate the frothing masses."
 	icon_state = "chain"
 	item_state = "chain"
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	slot_flags = SLOT_BELT
 	force = 10
 	throwforce = 7
@@ -27,7 +27,7 @@
 	desc = "A deadly chainsaw in the shape of a sword."
 	icon = 'icons/obj/weapons.dmi'
 	icon_state = "chainswordoff"
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	slot_flags = SLOT_BELT
 	force = 15
 	throwforce = 7
@@ -183,7 +183,7 @@
 	icon_state = "officersword"
 	item_state = "officersword"
 	contained_sprite = TRUE
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	slot_flags = SLOT_BELT
 	force = 15
 	throwforce = 5

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

@@ -13,7 +13,7 @@
 	possible_transfer_amounts = list(10,20,30,60)
 	volume = 60
 	unacidable = 0
-	flags = OPENCONTAINER
+	atom_flags = ATOM_FLAG_OPEN_CONTAINER
 	fragile = 0
 	var/paint_reagent = null //name of the reagent responsible for colouring the paint
 	var/paint_type = null //used for colouring detective technicolor coat and hat

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

@@ -60,7 +60,7 @@
 	name = "riot shield"
 	desc = "A shield adept at blocking blunt objects from connecting with the torso of the shield wielder."
 	icon_state = "riot"
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	slot_flags = SLOT_BACK
 	force = 5.0
 	throwforce = 5.0
@@ -130,7 +130,7 @@
 	name = "energy combat shield"
 	desc = "A shield capable of stopping most projectile and melee attacks. It can be retracted, expanded, and stored anywhere."
 	icon_state = "eshield0"
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	force = 3.0
 	throwforce = 5.0
 	throw_speed = 1

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

@@ -15,7 +15,7 @@
 	throwforce = 0
 	throw_speed = 4
 	throw_range = 20
-	flags = OPENCONTAINER
+	atom_flags = ATOM_FLAG_OPEN_CONTAINER
 	var/key_data
 	var/clean_msg
 	var/last_clean
@@ -50,7 +50,7 @@
 	if(isliving(AM))
 		if(ishuman(AM))
 			var/mob/living/carbon/human/H = AM
-			if(H.shoes?.item_flags & LIGHTSTEP)
+			if(H.shoes?.item_flags & ITEM_FLAG_LIGHT_STEP)
 				return
 		var/mob/living/M =	AM
 		M.slip("the [src.name]",3)

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

@@ -275,7 +275,7 @@
 	desc = "A bag for carrying lots of money. It's got a big dollar sign printed on the front."
 	icon_state = "moneybag"
 	item_state = "moneybag"
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	max_storage_space = 100
 	w_class = ITEMSIZE_LARGE
 	can_hold = list(/obj/item/coin,/obj/item/spacecash)

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

@@ -5,7 +5,7 @@
 	icon_state = "briefcase"
 	item_state = "briefcase"
 	contained_sprite = TRUE
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	force = 8.0
 	throw_speed = 1
 	throw_range = 4

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

@@ -304,7 +304,7 @@
 	var/cigarette_to_spawn = /obj/item/clothing/mask/smokable/cigarette
 
 /obj/item/storage/box/fancy/cigarettes/Initialize()
-	flags |= NOREACT
+	atom_flags |= ATOM_FLAG_NO_REACT
 	create_reagents(15 * storage_slots)	//so people can inject cigarettes without opening a packet, now with being able to inject the whole one
 	. = ..()
 

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

@@ -6,7 +6,7 @@
 	icon_state = "red"
 	item_state = "red"
 	center_of_mass = list("x" = 16,"y" = 11)
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	force = 5
 	throwforce = 10
 	throw_speed = 1