Merge pull request #8762 from Spookerton/spkrtn/sys/flagging

violently rearranges some flags and instance vars
2026-08-30 16:47:34 +01:00 · 2022-10-20 20:57:52 -08:00
parent 413e6db281 4557f8573c
commit 56bf74c21f
165 changed files with 497 additions and 490 deletions
@@ -5,7 +5,7 @@
 	description_info = "Some blob types will have core effects when the chunk is used in-hand, toggled with an alt click, or constantly active."
 	icon = 'icons/mob/blob.dmi'
 	icon_state = "blobcore"
-	flags = OPENCONTAINER
+	atom_flags = ATOM_REAGENTS_IS_OPEN
 	var/datum/blob_type/blob_type	// The blob type this dropped from.

 	var/active_ability_cooldown = 20 SECONDS
@@ -103,6 +103,6 @@
 	#ifdef CARDINAL_INPUT_ONLY

 	/// Movement dir of the most recently pressed movement key.  Used in cardinal-only movement mode.
-	var/last_move_dir_pressed = NONE
+	var/last_move_dir_pressed = EMPTY_BITFIELD

-	#endif
+	#endif
@@ -356,7 +356,7 @@
 				H.drop_from_inventory(ring)	//Remove the ring (or other under-glove item in the hand slot?) so you can put on the gloves.
 				ring.forceMove(src)
 				to_chat(user, "You slip \the [src] on over \the [src.ring].")
-				if(!(flags & THICKMATERIAL))
+				if(!(item_flags & THICKMATERIAL))
 					punch_force += ring.punch_force
 		else
 			ring = null
@@ -169,7 +169,7 @@ BLIND     // can't see anything
 /obj/item/clothing/glasses/night/vox
 	name = "Alien Optics"
 	species_restricted = list("Vox")
-	flags = PHORONGUARD
+	item_flags = PHORONGUARD

 /obj/item/clothing/glasses/night/Initialize()
 	. = ..()
@@ -542,7 +542,7 @@ BLIND     // can't see anything
 	item_state_slots = list(slot_r_hand_str = "sunglasses", slot_l_hand_str = "sunglasses")
 	toggleable = 1
 	action_button_name = "Toggle Monocle"
-	flags = null //doesn't protect eyes because it's a monocle, duh
+	atom_flags = EMPTY_BITFIELD

 	body_parts_covered = 0

@@ -1,7 +1,7 @@
 /obj/item/clothing/glasses/hud
 	name = "HUD"
 	desc = "A heads-up display that provides important info in (almost) real time."
-	flags = 0 //doesn't protect eyes because it's a monocle, duh
+	atom_flags = EMPTY_BITFIELD //doesn't protect eyes because it's a monocle, duh
 	origin_tech = list(TECH_MAGNET = 3, TECH_BIO = 2)

 /obj/item/clothing/glasses/hud/health
@@ -109,7 +109,7 @@
 	name = "insulated gauntlets"
 	icon_state = "gloves-vox"
 	item_state = "gloves-vox"
-	flags = PHORONGUARD
+	item_flags = PHORONGUARD
 	siemens_coefficient = 0
 	permeability_coefficient = 0.05
 	species_restricted = list("Vox")
@@ -127,7 +127,7 @@
 	icon_state = "knuckledusters"
 	matter = list(MAT_STEEL = 500)
 	attack_verb = list("punched", "beaten", "struck")
-	flags = THICKMATERIAL	// Stops rings from increasing hit strength
+	item_flags = THICKMATERIAL	// Stops rings from increasing hit strength
 	siemens_coefficient = 1
 	fingerprint_chance = 100
 	overgloves = 1
@@ -166,4 +166,4 @@
 	glovecolor = "orange"

 /obj/item/clothing/gloves/ranger/yellow
-	glovecolor = "yellow"
+	glovecolor = "yellow"
@@ -4,7 +4,7 @@
 	icon_state = "helmet"
 	valid_accessory_slots = (ACCESSORY_SLOT_HELM_C)
 	restricted_accessory_slots = (ACCESSORY_SLOT_HELM_C)
-	flags = THICKMATERIAL
+	item_flags = THICKMATERIAL
 	armor = list(melee = 40, bullet = 30, laser = 30, energy = 10, bomb = 10, bio = 0, rad = 0)
 	flags_inv = HIDEEARS|BLOCKHEADHAIR
 	cold_protection = HEAD
@@ -127,7 +127,7 @@
 	name = "explorer hood"
 	desc = "An armoured hood for exploring harsh environments."
 	icon_state = "explorer"
-	flags = THICKMATERIAL
+	item_flags = THICKMATERIAL
 	min_cold_protection_temperature = SPACE_SUIT_MIN_COLD_PROTECTION_TEMPERATURE
 	siemens_coefficient = 0.9
 	armor = list(melee = 30, bullet = 20, laser = 20, energy = 20, bomb = 35, bio = 75, rad = 35)
@@ -267,4 +267,3 @@
 	name = "emergency response team medical helmet"
 	desc = "A set of armor worn by medical members of the NanoTrasen Emergency Response Team. Has red and white highlights."
 	icon_state = "erthelmet_med"
-
@@ -188,7 +188,7 @@
 	name = "explorer hood"
 	desc = "An armoured hood for exploring harsh environments."
 	icon_state = "explorer"
-	flags = THICKMATERIAL
+	item_flags = THICKMATERIAL
 	min_cold_protection_temperature = SPACE_SUIT_MIN_COLD_PROTECTION_TEMPERATURE
 	siemens_coefficient = 0.9
 	armor = list(melee = 30, bullet = 20, laser = 20, energy = 20, bomb = 35, bio = 75, rad = 35)
@@ -8,7 +8,7 @@
 	sprite_sheets = list(
 		SPECIES_TESHARI = 'icons/mob/species/teshari/pilot_helmet.dmi'
 		)
-	flags = THICKMATERIAL
+	item_flags = THICKMATERIAL
 	armor = list(melee = 20, bullet = 10, laser = 10, energy = 5, bomb = 10, bio = 0, rad = 0)
 	flags_inv = HIDEEARS
 	cold_protection = HEAD
@@ -198,4 +198,4 @@
 	else
 		src.icon_state = initial(icon_state)
 		to_chat(user, "You lower the visor on the pilot helmet.")
-	update_clothing_icon() //so our mob-overlays update
+	update_clothing_icon() //so our mob-overlays update
@@ -85,8 +85,7 @@
 /obj/item/clothing/mask/gas/swat/vox
 	name = "alien mask"
 	desc = "Clearly not designed for a human face."
-	flags = PHORONGUARD
-	item_flags = BLOCK_GAS_SMOKE_EFFECT | AIRTIGHT
+	item_flags = BLOCK_GAS_SMOKE_EFFECT | AIRTIGHT | PHORONGUARD
 	species_restricted = list(SPECIES_VOX)
 	filtered_gases = list("oxygen", "phoron", "nitrous_oxide")
 	action_button_name = "Toggle Feeding Port"
@@ -31,7 +31,7 @@
 //Reagent Rings

 /obj/item/clothing/gloves/ring/reagent
-	flags = OPENCONTAINER
+	atom_flags = ATOM_REAGENTS_IS_OPEN
 	origin_tech = list(TECH_MATERIAL = 2, TECH_ILLEGAL = 4)

 /obj/item/clothing/gloves/ring/reagent/Initialize()
@@ -2,7 +2,7 @@
 	desc = "Magnetic boots, often used during extravehicular activity to ensure the user remains safely attached to the vehicle. They're large enough to be worn over other footwear."
 	name = "magboots"
 	icon_state = "magboots0"
-	flags = PHORONGUARD
+	item_flags = PHORONGUARD
 	item_state_slots = list(slot_r_hand_str = "magboots", slot_l_hand_str = "magboots")
 	species_restricted = null
 	center_of_mass = list("x" = 17,"y" = 12)
@@ -88,7 +88,7 @@
 	name = "vox magclaws"
 	item_state = "boots-vox"
 	icon_state = "boots-vox"
-	flags = PHORONGUARD
+	item_flags = PHORONGUARD
 	species_restricted = list(SPECIES_VOX)

 	action_button_name = "Toggle the magclaws"
@@ -126,4 +126,4 @@
 /obj/item/clothing/shoes/magboots/vox/examine(mob/user)
 	. = ..()
 	if(magpulse)
-		. += "It would be hard to take these off without relaxing your grip first." // Theoretically this message should only be seen by the wearer when the claws are equipped.
+		. += "It would be hard to take these off without relaxing your grip first." // Theoretically this message should only be seen by the wearer when the claws are equipped.
@@ -31,8 +31,7 @@
 // Can't be equipped by any other species due to bone structure and vox cybernetics.
 /obj/item/clothing/suit/space/vox
 	w_class = ITEMSIZE_NORMAL
-	flags = PHORONGUARD
-	item_flags = THICKMATERIAL
+	item_flags = THICKMATERIAL | PHORONGUARD
 	allowed = list(/obj/item/gun,/obj/item/ammo_magazine,/obj/item/ammo_casing,/obj/item/melee/baton,/obj/item/melee/energy/sword,/obj/item/handcuffs,/obj/item/tank)
 	armor = list(melee = 60, bullet = 50, laser = 40,energy = 15, bomb = 30, bio = 100, rad = 50)
 	siemens_coefficient = 0.2
@@ -43,8 +42,7 @@
 /obj/item/clothing/head/helmet/space/vox
 	armor = list(melee = 60, bullet = 50, laser = 40, energy = 15, bomb = 30, bio = 100, rad = 50)
 	siemens_coefficient = 0.2
-	flags = PHORONGUARD
-	item_flags = THICKMATERIAL | AIRTIGHT
+	item_flags = THICKMATERIAL | AIRTIGHT | PHORONGUARD
 	flags_inv = 0
 	species_restricted = list(SPECIES_VOX)

@@ -3,7 +3,7 @@
 	name = "space helmet"
 	icon_state = "capspace"
 	desc = "A special helmet designed for work in a hazardous, low-pressure environment. Only for the most fashionable of military figureheads."
-	item_flags = 0
+	item_flags = EMPTY_BITFIELD
 	flags_inv = HIDEFACE|BLOCKHAIR
 	permeability_coefficient = 0.01
 	armor = list(melee = 65, bullet = 50, laser = 50,energy = 25, bomb = 50, bio = 100, rad = 50)
@@ -16,7 +16,7 @@
 	w_class = ITEMSIZE_HUGE
 	gas_transfer_coefficient = 0.01
 	permeability_coefficient = 0.02
-	item_flags = 0
+	item_flags = EMPTY_BITFIELD
 	body_parts_covered = UPPER_TORSO|LOWER_TORSO|LEGS|FEET|ARMS|HANDS
 	allowed = list(/obj/item/tank/emergency/oxygen, /obj/item/flashlight,/obj/item/gun/energy, /obj/item/gun/projectile, /obj/item/ammo_magazine, /obj/item/ammo_casing, /obj/item/melee/baton,/obj/item/handcuffs)
 	slowdown = 1.5
@@ -46,7 +46,7 @@
 	icon_state = "beret_badge"
 	item_state_slots = list(slot_r_hand_str = "beret", slot_l_hand_str = "beret")
 	armor = list(melee = 65, bullet = 55, laser = 35,energy = 20, bomb = 30, bio = 30, rad = 30)
-	item_flags = 0
+	item_flags = EMPTY_BITFIELD
 	flags_inv = BLOCKHAIR
 	siemens_coefficient = 0.9

@@ -55,7 +55,7 @@
 	name = "Santa's hat"
 	desc = "Ho ho ho. Merrry X-mas!"
 	icon_state = "santahat"
-	item_flags = 0
+	item_flags = EMPTY_BITFIELD
 	flags_inv = BLOCKHAIR
 	body_parts_covered = HEAD

@@ -64,7 +64,7 @@
 	desc = "Festive!"
 	icon_state = "santa"
 	slowdown = 0
-	item_flags = 0
+	item_flags = EMPTY_BITFIELD
 	allowed = list(/obj/item) //for stuffing exta special presents

 //Space pirate outfit
@@ -73,7 +73,7 @@
 	desc = "Yarr."
 	icon_state = "pirate"
 	armor = list(melee = 60, bullet = 50, laser = 30,energy = 15, bomb = 30, bio = 30, rad = 30)
-	item_flags = 0
+	item_flags = EMPTY_BITFIELD
 	flags_inv = BLOCKHAIR
 	body_parts_covered = 0
 	siemens_coefficient = 0.9
@@ -115,4 +115,4 @@
 	desc = "A high-dexterity spacesuit for the civilian extra-vehicular extreme sports market, for when zero-g sports in controlled environments are just too tame."
 	description_fluff = "Ward-Takahashi zero-gravity performance sportswear does not require an EVA certification to purchase, though user manuals do list it as 'recommended' on condition of a 2550 lawsuit."
 	icon_state = "sports_void"
-	slowdown = 0
+	slowdown = 0
@@ -11,7 +11,7 @@
 	name = "hardsuit control module"
 	icon = 'icons/obj/rig_modules.dmi'
 	desc = "A back-mounted hardsuit deployment and control mechanism."
-	flags = PHORONGUARD
+	item_flags = PHORONGUARD
 	slot_flags = SLOT_BACK
 	req_one_access = list()
 	req_access = list()
@@ -23,8 +23,7 @@

 /obj/item/clothing/gloves/gauntlets/rig
 	name = "gauntlets"
-	flags = PHORONGUARD
-	item_flags = THICKMATERIAL
+	item_flags = THICKMATERIAL | PHORONGUARD
 	body_parts_covered = HANDS
 	heat_protection =    HANDS
 	cold_protection =    HANDS
@@ -119,7 +118,7 @@
 	body_parts_covered = HEAD|FACE|EYES
 	heat_protection =    HEAD|FACE|EYES
 	cold_protection =    HEAD|FACE|EYES
-	flags =              THICKMATERIAL|AIRTIGHT
+	item_flags = THICKMATERIAL|AIRTIGHT
 	species_restricted = null

 /obj/item/clothing/suit/lightrig
@@ -129,7 +128,7 @@
 	heat_protection =    UPPER_TORSO|LOWER_TORSO|LEGS|ARMS
 	cold_protection =    UPPER_TORSO|LOWER_TORSO|LEGS|ARMS
 	flags_inv =          HIDEJUMPSUIT
-	flags =              THICKMATERIAL
+	item_flags = THICKMATERIAL
 	species_restricted = null

 /obj/item/clothing/shoes/lightrig
@@ -142,7 +141,7 @@

 /obj/item/clothing/gloves/gauntlets/lightrig
 	name = "gloves"
-	flags = THICKMATERIAL
+	item_flags = THICKMATERIAL
 	body_parts_covered = HANDS
 	heat_protection =    HANDS
 	cold_protection =    HANDS
@@ -47,8 +47,7 @@
 	suit_type = "alien"
 	icon_state = "vox_rig"
 	armor = list(melee = 60, bullet = 50, laser = 40, energy = 15, bomb = 30, bio = 100, rad = 50)
-	flags = PHORONGUARD
-	item_flags = THICKMATERIAL
+	item_flags = THICKMATERIAL | PHORONGUARD
 	siemens_coefficient = 0.2
 	offline_slowdown = 2.5
 	allowed = list(
@@ -123,4 +122,4 @@
 		/obj/item/rig_module/vision,
 		/obj/item/rig_module/power_sink,
 		/obj/item/rig_module/self_destruct
-		)
+		)
@@ -80,7 +80,7 @@
 /obj/item/clothing/shoes/lightrig/hacker
 	siemens_coefficient = 0.4
 	step_volume_mod = 0.3 //Special sneaky cyber-soles, for infiltration.
-	flags = NOSLIP //They're not magboots, so they're not super good for exterior hull walking, BUT for interior infiltration they'll do swell.
+	item_flags = NOSLIP //They're not magboots, so they're not super good for exterior hull walking, BUT for interior infiltration they'll do swell.

 /obj/item/clothing/gloves/gauntlets/rig/light/hacker
 	siemens_coefficient = 0
@@ -8,8 +8,7 @@
 	desc = "A special helmet designed for work in a hazardous, low-pressure environment."
 	randpixel = 0
 	center_of_mass = null
-	flags = PHORONGUARD
-	item_flags = THICKMATERIAL | AIRTIGHT | ALLOW_SURVIVALFOOD
+	item_flags = THICKMATERIAL | AIRTIGHT | ALLOW_SURVIVALFOOD | PHORONGUARD
 	permeability_coefficient = 0.01
 	armor = list(melee = 0, bullet = 0, laser = 0,energy = 0, bomb = 0, bio = 100, rad = 50)
 	flags_inv = HIDEMASK|HIDEEARS|HIDEEYES|HIDEFACE|BLOCKHAIR
@@ -72,8 +71,7 @@
 	w_class = ITEMSIZE_HUGE // So you can't fit this in your bag and be prepared at all times.
 	gas_transfer_coefficient = 0.01
 	permeability_coefficient = 0.02
-	flags = PHORONGUARD
-	item_flags = THICKMATERIAL
+	item_flags = THICKMATERIAL | PHORONGUARD
 	body_parts_covered = UPPER_TORSO|LOWER_TORSO|LEGS|FEET|ARMS|HANDS
 	allowed = list(/obj/item/flashlight,/obj/item/tank/emergency/oxygen,/obj/item/suit_cooling_unit)
 	slowdown = 1.5
@@ -543,7 +543,7 @@
 	name = "explorer suit"
 	desc = "A lightweight explorer plate carrier. It can be equipped with armor plates, but only protects from the cold on it's own."
 	icon_state = "explorer"
-	flags = THICKMATERIAL
+	item_flags = THICKMATERIAL
 	min_cold_protection_temperature = SPACE_SUIT_MIN_COLD_PROTECTION_TEMPERATURE
 	cold_protection = UPPER_TORSO|LOWER_TORSO|LEGS|ARMS

@@ -639,4 +639,4 @@
 	starting_accessories = list(/obj/item/clothing/accessory/armor/armorplate/bulletproof, /obj/item/clothing/accessory/armor/armguards/bulletproof, /obj/item/clothing/accessory/armor/legguards/bulletproof, /obj/item/clothing/accessory/storage/pouches)

 /obj/item/clothing/suit/armor/pcarrier/riot/full
-	starting_accessories = list(/obj/item/clothing/accessory/armor/armorplate/riot, /obj/item/clothing/accessory/armor/armguards/riot, /obj/item/clothing/accessory/armor/legguards/riot, /obj/item/clothing/accessory/storage/pouches)
+	starting_accessories = list(/obj/item/clothing/accessory/armor/armorplate/riot, /obj/item/clothing/accessory/armor/armguards/riot, /obj/item/clothing/accessory/armor/legguards/riot, /obj/item/clothing/accessory/storage/pouches)
@@ -10,8 +10,7 @@
 	flags_inv = HIDEMASK|HIDEEARS|HIDEEYES|BLOCKHAIR
 	body_parts_covered = HEAD|FACE|EYES
 	siemens_coefficient = 0.9
-	flags = PHORONGUARD
-	item_flags = THICKMATERIAL | ALLOW_SURVIVALFOOD
+	item_flags = THICKMATERIAL | ALLOW_SURVIVALFOOD | PHORONGUARD

 /obj/item/clothing/suit/bio_suit
 	name = "bio suit"
@@ -26,8 +25,7 @@
 	armor = list(melee = 0, bullet = 0, laser = 0,energy = 0, bomb = 0, bio = 100, rad = 20)
 	flags_inv = HIDEGLOVES|HIDESHOES|HIDEJUMPSUIT|HIDETAIL|HIDETIE|HIDEHOLSTER
 	siemens_coefficient = 0.9
-	flags = PHORONGUARD
-	item_flags = THICKMATERIAL
+	item_flags = THICKMATERIAL | PHORONGUARD

 //Standard biosuit, orange stripe
 /obj/item/clothing/head/bio_hood/general
@@ -92,4 +90,4 @@
 	desc = "It protected doctors from the Black Death, back then. You bet your arse it's gonna help you against viruses."
 	icon_state = "plaguedoctor"
 	item_state_slots = list(slot_r_hand_str = "bio", slot_l_hand_str = "bio")
-	flags_inv = HIDEGLOVES|HIDEJUMPSUIT|HIDETAIL|HIDETIE|HIDEHOLSTER
+	flags_inv = HIDEGLOVES|HIDEJUMPSUIT|HIDETAIL|HIDETIE|HIDEHOLSTER
@@ -381,7 +381,7 @@
 	desc = "An armoured suit for exploring harsh environments."
 	icon_state = "explorer"
 	item_state = "explorer"
-	flags = THICKMATERIAL
+	item_flags = THICKMATERIAL
 	body_parts_covered = UPPER_TORSO|LOWER_TORSO|LEGS|ARMS
 	min_cold_protection_temperature = SPACE_SUIT_MIN_COLD_PROTECTION_TEMPERATURE
 	cold_protection = UPPER_TORSO|LOWER_TORSO|LEGS|ARMS
@@ -21,7 +21,7 @@
 	allowed = list(/obj/item/flashlight,/obj/item/tank/emergency/oxygen,/obj/item/extinguisher)
 	slowdown = 0.8 //Slightly better than a voidsuit
 	flags_inv = HIDEGLOVES|HIDESHOES|HIDEJUMPSUIT|HIDETAIL|HIDETIE|HIDEHOLSTER
-	item_flags = 0
+	item_flags = EMPTY_BITFIELD
 	heat_protection = UPPER_TORSO|LOWER_TORSO|LEGS|FEET|ARMS|HANDS
 	max_heat_protection_temperature = FIRESUIT_MAX_HEAT_PROTECTION_TEMPERATURE
 	cold_protection = UPPER_TORSO | LOWER_TORSO | LEGS | FEET | ARMS | HANDS
@@ -2,7 +2,7 @@
 	has_sensor = 0
 	species_restricted = list(SPECIES_VOX)
 	starting_accessories = list(/obj/item/clothing/accessory/storage/vox)	// Dont' start with a backback, so free webbing
-	flags = PHORONGUARD
+	item_flags = PHORONGUARD

 /obj/item/clothing/under/vox/vox_utility
 	name = "alien clothing"
@@ -22,9 +22,7 @@
 	name = "alien mesh"
 	desc = "An alien mesh. Seems to be made up mostly of pockets and writhing flesh."
 	icon_state = "webbing-vox"
-
-	flags = PHORONGUARD
-
+	item_flags = PHORONGUARD
 	slots = 3

 /obj/item/clothing/accessory/storage/vox/Initialize()
@@ -23,7 +23,8 @@
 	possible_transfer_amounts = list(5)
 	volume = 10
 	can_be_placed_into = null
-	flags = OPENCONTAINER | NOBLUDGEON
+	atom_flags = ATOM_REAGENTS_IS_OPEN
+	item_flags = NOBLUDGEON
 	unacidable = 0
 	drop_sound = 'sound/items/drop/cloth.ogg'
 	pickup_sound = 'sound/items/pickup/cloth.ogg'
@@ -5,7 +5,7 @@
 	var/list/stored = list()
 	w_class = ITEMSIZE_SMALL
 	item_state = "electronic"
-	flags = NOBLUDGEON
+	item_flags = NOBLUDGEON
 	slot_flags = SLOT_BELT

 	var/reveal_fingerprints = TRUE
@@ -3,7 +3,6 @@
 	desc = "Swipe your ID card to make purchases electronically."
 	icon = 'icons/obj/stationobjs.dmi'
 	icon_state = "register_idle"
-	flags = NOBLUDGEON
 	req_access = list(access_heads)
 	anchored = 1

@@ -5,7 +5,7 @@
 	pickup_sound = 'sound/items/pickup/device.ogg'
 	drop_sound = 'sound/items/drop/device.ogg'
 	icon_state = "retail_idle"
-	flags = NOBLUDGEON
+	item_flags = NOBLUDGEON
 	slot_flags = SLOT_BELT
 	req_access = list(access_heads)
 	w_class = ITEMSIZE_SMALL
@@ -425,4 +425,4 @@
 	account_to_connect = "Cargo"

 /obj/item/retail_scanner/civilian
-	account_to_connect = "Civilian"
+	account_to_connect = "Civilian"
@@ -37,7 +37,7 @@
 		if(!(S.z in affecting_z))
 			continue
 		var/area/A = get_area(S)
-		if(!A || A.flags & RAD_SHIELDED) // Rad shielding will protect from ions too
+		if(!A || A.area_flags & RAD_SHIELDED) // Rad shielding will protect from ions too
 			continue
 		to_chat(S, "<span class='warning'>Your integrated sensors detect an ionospheric anomaly. Your systems will be impacted as you begin a partial restart.</span>")
 		var/ionbug = rand(3, 9)
@@ -37,7 +37,7 @@
 		var/area/A = get_area(C)
 		if(!A)
 			continue
-		if(A.flags & RAD_SHIELDED)
+		if(A.area_flags & RAD_SHIELDED)
 			continue
 		if(istype(C,/mob/living/carbon/human))
 			var/mob/living/carbon/human/H = C
@@ -43,7 +43,7 @@

 	armor_stats += "\n"

-	if(flags & AIRTIGHT)
+	if(item_flags & AIRTIGHT)
 		armor_stats += "It is airtight. \n"

 	if(min_pressure_protection == 0)
@@ -54,7 +54,7 @@
 	if(max_pressure_protection != null)
 		armor_stats += "Wearing this will protect you from high pressures. \n"

-	if(flags & THICKMATERIAL)
+	if(item_flags & THICKMATERIAL)
 		armor_stats += "The material is exceptionally thick. \n"

 	if(max_heat_protection_temperature == FIRESUIT_MAX_HEAT_PROTECTION_TEMPERATURE)
@@ -80,4 +80,4 @@
 	if(slots.len)
 		armor_stats += "It can be worn on your [english_list(slots)]. \n"

-	return armor_stats
+	return armor_stats
@@ -12,7 +12,7 @@
 	var/contain_state = "net_full"

 	w_class = ITEMSIZE_SMALL
-	flags = NOBLUDGEON
+	item_flags = NOBLUDGEON

 	slowdown = 0.5

@@ -23,7 +23,7 @@ var/global/const/DRINK_ICON_NOISY = "_noise"

 	amount_per_transfer_from_this = 5
 	possible_transfer_amounts = list(5,10,15,30)
-	flags = OPENCONTAINER
+	atom_flags = ATOM_REAGENTS_IS_OPEN

 	matter = list("glass" = 60)

@@ -163,4 +163,4 @@ var/global/const/DRINK_ICON_NOISY = "_noise"
 	if(afterattack(target, user)) //Check to see if harm intent & splash.
 		return
 	else
-		..() //If they're splashed, no need to do anything else.
+		..() //If they're splashed, no need to do anything else.
@@ -1,7 +1,7 @@
 /obj/item/reagent_containers/food/drinks/cans
 	volume = 40 //just over one and a half cups
 	amount_per_transfer_from_this = 5
-	flags = 0 //starts closed
+	atom_flags = EMPTY_BITFIELD //starts closed
 	drop_sound = 'sound/items/drop/soda.ogg'
 	pickup_sound = 'sound/items/pickup/soda.ogg'

@@ -371,4 +371,4 @@

 /obj/item/reagent_containers/food/drinks/cans/alecan/Initialize()
 	. = ..()
-	reagents.add_reagent("ale", 30)
+	reagents.add_reagent("ale", 30)
@@ -10,7 +10,7 @@
 	desc = "Just your average condiment container."
 	icon = 'icons/obj/food.dmi'
 	icon_state = "emptycondiment"
-	flags = OPENCONTAINER
+	atom_flags = ATOM_REAGENTS_IS_OPEN
 	possible_transfer_amounts = list(1,5,10)
 	center_of_mass = list("x"=16, "y"=6)
 	volume = 50
@@ -8,7 +8,7 @@
 	drop_sound = 'sound/items/drop/drinkglass.ogg'
 	pickup_sound =  'sound/items/pickup/drinkglass.ogg'
 	icon_state = null
-	flags = OPENCONTAINER
+	atom_flags = ATOM_REAGENTS_IS_OPEN
 	amount_per_transfer_from_this = 5
 	possible_transfer_amounts = list(5,10,15,25,30)
 	volume = 50
@@ -49,10 +49,10 @@
 	playsound(src,"canopen", rand(10,50), 1)
 	GLOB.cans_opened_roundstat++
 	to_chat(user, "<span class='notice'>You open [src] with an audible pop!</span>")
-	flags |= OPENCONTAINER
+	atom_flags |= ATOM_REAGENTS_IS_OPEN

 /obj/item/reagent_containers/food/drinks/attack(mob/M as mob, mob/user as mob, def_zone)
-	if(force && !(flags & NOBLUDGEON) && user.a_intent == I_HURT)
+	if(force && !(item_flags & NOBLUDGEON) && user.a_intent == I_HURT)
 		return ..()

 	if(standard_feed_mob(user, M))
@@ -124,7 +124,7 @@
 	amount_per_transfer_from_this = 20
 	possible_transfer_amounts = null
 	volume = 150
-	flags = OPENCONTAINER
+	atom_flags = ATOM_REAGENTS_IS_OPEN

 /obj/item/reagent_containers/food/drinks/golden_cup/on_reagent_change()
 	..()
@@ -418,4 +418,4 @@
 	desc = "Keeping your drinks at the perfect temperature since 1892."
 	icon_state = "vacuumflask"
 	volume = 60
-	center_of_mass = list("x"=15, "y"=4)
+	center_of_mass = list("x"=15, "y"=4)
@@ -119,14 +119,14 @@
 		to_chat(user, "<span class='notice'>You stuff [R] into [src].</span>")
 		rag = R
 		rag.forceMove(src)
-		flags &= ~OPENCONTAINER
+		atom_flags &= ~ATOM_REAGENTS_IS_OPEN
 		update_icon()

 /obj/item/reagent_containers/food/drinks/bottle/proc/remove_rag(mob/user)
 	if(!rag) return
 	user.put_in_hands(rag)
 	rag = null
-	flags |= (initial(flags) & OPENCONTAINER)
+	atom_flags |= (initial(atom_flags) & ATOM_REAGENTS_IS_OPEN)
 	update_icon()

 /obj/item/reagent_containers/food/drinks/bottle/open(mob/user)
@@ -182,7 +182,7 @@
 	throw_speed = 3
 	throw_range = 5
 	item_state = "beer"
-	flags = NOCONDUCT
+	atom_flags = ATOM_IS_INSULATED
 	attack_verb = list("stabbed", "slashed", "attacked")
 	sharp = 1
 	edge = 0
@@ -625,7 +625,7 @@
 /obj/item/reagent_containers/food/drinks/bottle/small
 	volume = 50
 	smash_duration = 1
-	flags = 0 //starts closed
+	atom_flags = EMPTY_BITFIELD //starts closed
 	rag_underlay = "rag_small"

 /obj/item/reagent_containers/food/drinks/bottle/small/beer
@@ -732,4 +732,4 @@

 /obj/item/reagent_containers/food/drinks/bottle/small/dr_gibb/Initialize()
 	. = ..()
-	reagents.add_reagent("dr_gibb", 50)
+	reagents.add_reagent("dr_gibb", 50)
@@ -1816,7 +1816,7 @@
 	filling_color = "#ADAC7F"
 	center_of_mass = list("x"=16, "y"=14)
 	w_class = ITEMSIZE_TINY
-	flags = OPENCONTAINER
+	atom_flags = ATOM_REAGENTS_IS_OPEN
 	var/wrapped = 0
 	var/contents_type = "item"
 	var/monkey_type = "Monkey"
@@ -1849,7 +1849,7 @@
 	desc = "Just add water!"
 	to_chat(user, "You unwrap the cube.")
 	wrapped = 0
-	flags |= OPENCONTAINER
+	atom_flags |= ATOM_REAGENTS_IS_OPEN
 	return

 /obj/item/reagent_containers/food/snacks/cube/On_Consume(var/mob/M)
@@ -1884,7 +1884,7 @@
 /obj/item/reagent_containers/food/snacks/cube/monkeycube/wrapped
 	desc = "Still wrapped in some paper."
 	icon_state = "monkeycubewrap"
-	flags = 0
+	atom_flags = EMPTY_BITFIELD
 	wrapped = 1

 /obj/item/reagent_containers/food/snacks/cube/monkeycube/farwacube
@@ -6856,7 +6856,7 @@
 /obj/item/reagent_containers/food/snacks/canned
 	name = "void can"
 	icon = 'icons/obj/food_canned.dmi'
-	flags = 0
+	atom_flags = EMPTY_BITFIELD
 	var/sealed = TRUE

 /obj/item/reagent_containers/food/snacks/canned/Initialize()
@@ -6869,7 +6869,7 @@
 	to_chat(user, "It is [sealed ? "" : "un"]sealed.")

 /obj/item/reagent_containers/food/snacks/canned/proc/unseal()
-	flags |= OPENCONTAINER
+	atom_flags |= ATOM_REAGENTS_IS_OPEN
 	sealed = FALSE
 	update_icon()

@@ -9,7 +9,7 @@
 	item_state = "atoxinbottle"
 	amount_per_transfer_from_this = 10
 	possible_transfer_amounts = list(5,10,15,25,30,60)
-	flags = 0
+	atom_flags = EMPTY_BITFIELD
 	volume = 60
 	drop_sound = 'sound/items/drop/bottle.ogg'
 	pickup_sound = 'sound/items/pickup/bottle.ogg'
@@ -2,7 +2,7 @@
 /obj/item/reagent_containers/glass/bottle/robot
 	amount_per_transfer_from_this = 10
 	possible_transfer_amounts = list(5,10,15,25,30,50,100)
-	flags = OPENCONTAINER
+	atom_flags = ATOM_REAGENTS_IS_OPEN
 	volume = 60
 	var/reagent = ""

@@ -8,7 +8,7 @@
 	var/max_space = 20//Maximum sum of w-classes of foods in this container at once
 	var/max_reagents = 80//Maximum units of reagents
 	var/food_items = 0 // Used for icon updates
-	flags = OPENCONTAINER | NOREACT
+	atom_flags = ATOM_REAGENTS_IS_OPEN | ATOM_REAGENTS_SKIP_REACTIONS
 	var/list/insertable = list(
 		/obj/item/reagent_containers/food/snacks,
 		/obj/item/holder,
@@ -22,7 +22,7 @@
 /obj/item/reagent_containers/cooking_container/Initialize()
 	. = ..()
 	create_reagents(max_reagents)
-	flags |= OPENCONTAINER | NOREACT
+	atom_flags |= ATOM_REAGENTS_IS_OPEN | ATOM_REAGENTS_SKIP_REACTIONS


 /obj/item/reagent_containers/cooking_container/examine(var/mob/user)
@@ -15,7 +15,7 @@
 	density = 1
 	anchored = 0
 	use_power = USE_POWER_OFF
-	flags = OPENCONTAINER | NOREACT
+	atom_flags = ATOM_REAGENTS_IS_OPEN | ATOM_REAGENTS_SKIP_REACTIONS

 	var/list/product_types = list()
 	var/dispense_flavour = ICECREAM_VANILLA
@@ -193,4 +193,4 @@
 #undef ICECREAM_STRAWBERRY
 #undef ICECREAM_BLUE
 #undef CONE_WAFFLE
-#undef CONE_CHOC
+#undef CONE_CHOC
@@ -11,7 +11,7 @@
 	active_power_usage = 2000
 	clicksound = "button"
 	clickvol = "30"
-	flags = OPENCONTAINER | NOREACT
+	atom_flags = ATOM_REAGENTS_IS_OPEN | ATOM_REAGENTS_SKIP_REACTIONS
 	circuit = /obj/item/circuitboard/microwave
 	var/operating = 0 // Is it on?
 	var/dirty = 0 // = {0..100} Does it need cleaning?
@@ -100,7 +100,7 @@
 				src.icon_state = "mw"
 				src.broken = 0 // Fix it!
 				src.dirty = 0 // just to be sure
-				src.flags = OPENCONTAINER | NOREACT
+				src.atom_flags = ATOM_REAGENTS_IS_OPEN | ATOM_REAGENTS_SKIP_REACTIONS
 		else
 			to_chat(user, "<span class='warning'>It's broken!</span>")
 			return 1
@@ -119,7 +119,7 @@
 				src.dirty = 0 // It's clean!
 				src.broken = 0 // just to be sure
 				src.icon_state = "mw"
-				src.flags = OPENCONTAINER | NOREACT
+				src.atom_flags = ATOM_REAGENTS_IS_OPEN | ATOM_REAGENTS_SKIP_REACTIONS
 		else //Otherwise bad luck!!
 			to_chat(user, "<span class='warning'>It's dirty!</span>")
 			return 1
@@ -422,7 +422,7 @@
 /obj/machinery/microwave/proc/muck_finish()
 	src.visible_message("<span class='warning'>The microwave gets covered in muck!</span>")
 	src.dirty = 100 // Make it dirty so it can't be used util cleaned
-	src.flags = null //So you can't add condiments
+	src.atom_flags = EMPTY_BITFIELD //So you can't add condiments
 	src.icon_state = "mwbloody" // Make it look dirty too
 	src.operating = 0 // Turn it off again aferwards
 	src.updateUsrDialog()
@@ -436,7 +436,7 @@
 	src.icon_state = "mwb" // Make it look all busted up and shit
 	src.visible_message("<span class='warning'>The microwave breaks!</span>") //Let them know they're stupid
 	src.broken = 2 // Make it broken so it can't be used util fixed
-	src.flags = null //So you can't add condiments
+	src.atom_flags = EMPTY_BITFIELD //So you can't add condiments
 	src.operating = 0 // Turn it off again aferwards
 	src.updateUsrDialog()
 	soundloop.stop()
@@ -12,7 +12,7 @@
 	use_power = USE_POWER_IDLE
 	idle_power_usage = 5
 	active_power_usage = 100
-	flags = NOREACT
+	atom_flags = ATOM_REAGENTS_SKIP_REACTIONS
 	var/max_n_of_items = 999 // Sorry but the BYOND infinite loop detector doesn't look things over 1000.
 	var/list/item_records = list()
 	var/datum/stored_item/currently_vending = null	//What we're putting out of the machine.
@@ -234,14 +234,14 @@
 				amount = params["amount"]
 			else
 				amount = input("How many items?", "How many items would you like to take out?", 1) as num|null
-			
+
 			if(QDELETED(src) || QDELETED(usr) || !usr.Adjacent(src))
 				return FALSE
-			
+
 			var/index = text2num(params["index"])
 			if(index < 1 || index > LAZYLEN(item_records))
 				return TRUE
-			
+
 			vend(item_records[index], amount)
 			return TRUE
 	return FALSE
@@ -201,7 +201,7 @@
 					hit(50)
 			return

-	if(W.flags & NOBLUDGEON) return
+	if(W.item_flags & NOBLUDGEON) return

 	if(W.is_screwdriver())
 		to_chat(user, "<span class='notice'>It's a holowindow, you can't unfasten it!</span>")
@@ -288,7 +288,7 @@
 	throw_range = 5
 	throwforce = 0
 	w_class = ITEMSIZE_SMALL
-	flags = NOBLOODY
+	item_flags = NOBLOODY
 	var/active = 0

 /obj/item/holo/esword/green
@@ -31,7 +31,7 @@

 /obj/machinery/station_map/Initialize()
 	. = ..()
-	flags |= ON_BORDER // Why? It doesn't help if its not density
+	atom_flags |= ATOM_HAS_TRANSITION_PRIORITY // Why? It doesn't help if its not density

 /obj/machinery/station_map/Initialize()
 	. = ..()
@@ -5,7 +5,7 @@
 	icon = 'icons/obj/hydroponics_products.dmi'
 	icon_state = "blank"
 	desc = "Nutritious! Probably."
-	flags = NOCONDUCT
+	atom_flags = ATOM_IS_INSULATED
 	slot_flags = SLOT_HOLSTER
 	drop_sound = 'sound/items/drop/herb.ogg'
 	pickup_sound = 'sound/items/pickup/herb.ogg'
@@ -35,7 +35,7 @@
 	desc = "A reminder of meals gone by."
 	icon = 'icons/obj/trash.dmi'
 	icon_state = "corncob"
-	flags = NOCONDUCT
+	atom_flags = ATOM_IS_INSULATED
 	w_class = ITEMSIZE_SMALL
 	throwforce = 0
 	throw_speed = 4
@@ -54,7 +54,7 @@
 	desc = "A peel from a banana."
 	icon = 'icons/obj/items.dmi'
 	icon_state = "banana_peel"
-	flags = NOCONDUCT
+	atom_flags = ATOM_IS_INSULATED
 	w_class = ITEMSIZE_SMALL
 	throwforce = 0
 	throw_speed = 4
@@ -5,7 +5,7 @@
 	icon_state = "hydrotray3"
 	density = 1
 	anchored = 1
-	flags = OPENCONTAINER
+	atom_flags = ATOM_REAGENTS_IS_OPEN
 	volume = 100

 	var/mechanical = 1         // Set to 0 to stop it from drawing the alert lights.
@@ -1,7 +1,7 @@
 /obj/item/plantspray
 	icon = 'icons/obj/hydroponics_machines.dmi'
 	item_state = "spraycan"
-	flags = NOBLUDGEON
+	item_flags = NOBLUDGEON
 	slot_flags = SLOT_BELT
 	throwforce = 4
 	w_class = ITEMSIZE_SMALL
@@ -110,7 +110,7 @@
 	icon_state = "chemical_cell"
 	extended_desc = "This is effectively an internal beaker. It will consume and produce power from phoron, slime jelly, welding fuel, carbon,\
 	 ethanol, nutriments and blood, in order of decreasing efficiency. It will consume fuel only if the battery can take more energy."
-	flags = OPENCONTAINER
+	atom_flags = ATOM_REAGENTS_IS_OPEN
 	complexity = 4
 	inputs = list()
 	outputs = list("volume used" = IC_PINTYPE_NUMBER,"self reference" = IC_PINTYPE_REF)
@@ -15,7 +15,7 @@
 	icon_state = "smoke"
 	extended_desc = "This smoke generator creates clouds of smoke on command.  It can also hold liquids inside, which will go \
 	into the smoke clouds when activated.  The reagents are consumed when smoke is made."
-	flags = OPENCONTAINER
+	atom_flags = ATOM_REAGENTS_IS_OPEN
 	complexity = 20
 	cooldown_per_use = 30 SECONDS
 	inputs = list()
@@ -52,7 +52,7 @@
 	icon_state = "injector"
 	extended_desc = "This autoinjector can push reagents into another container or someone else outside of the machine.  The target \
 	must be adjacent to the machine, and if it is a person, they cannot be wearing thick clothing. A negative amount makes the injector draw out reagents."
-	flags = OPENCONTAINER
+	atom_flags = ATOM_REAGENTS_IS_OPEN
 	complexity = 20
 	cooldown_per_use = 6 SECONDS
 	inputs = list("target" = IC_PINTYPE_REF, "injection amount" = IC_PINTYPE_NUMBER)
@@ -186,7 +186,7 @@
 	extended_desc = "This is a pump, which will move liquids from the source ref to the target ref.  The third pin determines \
 	how much liquid is moved per pulse, between 0 and 50.  The pump can move reagents to any open container inside the machine, or \
 	outside the machine if it is next to the machine.  Note that this cannot be used on entities."
-	flags = OPENCONTAINER
+	atom_flags = ATOM_REAGENTS_IS_OPEN
 	complexity = 8
 	inputs = list("source" = IC_PINTYPE_REF, "target" = IC_PINTYPE_REF, "injection amount" = IC_PINTYPE_NUMBER)
 	inputs_default = list("3" = 5)
@@ -240,7 +240,7 @@
 	desc = "Stores liquid inside, and away from electrical components.  Can store up to 60u."
 	icon_state = "reagent_storage"
 	extended_desc = "This is effectively an internal beaker."
-	flags = OPENCONTAINER
+	atom_flags = ATOM_REAGENTS_IS_OPEN
 	complexity = 4
 	inputs = list()
 	outputs = list("volume used" = IC_PINTYPE_NUMBER,"self reference" = IC_PINTYPE_REF)
@@ -264,7 +264,7 @@
 	desc = "Stores liquid inside, and away from electrical components.  Can store up to 60u.  This will also suppress reactions."
 	icon_state = "reagent_storage_cryo"
 	extended_desc = "This is effectively an internal cryo beaker."
-	flags = OPENCONTAINER | NOREACT
+	atom_flags = ATOM_REAGENTS_IS_OPEN | ATOM_REAGENTS_SKIP_REACTIONS
 	complexity = 8
 	spawn_flags = IC_SPAWN_RESEARCH
 	origin_tech = list(TECH_MATERIAL = 4, TECH_ENGINEERING = 2, TECH_DATA = 2, TECH_BIO = 2)
@@ -274,7 +274,7 @@
 	desc = "Stores liquid inside, and away from electrical components.  Can store up to 180u."
 	icon_state = "reagent_storage_big"
 	extended_desc = "This is effectively an internal beaker."
-	flags = OPENCONTAINER
+	atom_flags = ATOM_REAGENTS_IS_OPEN
 	complexity = 16
 	volume = 180
 	spawn_flags = IC_SPAWN_RESEARCH
@@ -285,7 +285,7 @@
 	desc = "Stores liquid inside, and away from electrical components.  Can store up to 60u.  On pulse this beaker will send list of contained reagents."
 	icon_state = "reagent_scan"
 	extended_desc = "Mostly useful for reagent filter."
-	flags = OPENCONTAINER
+	atom_flags = ATOM_REAGENTS_IS_OPEN
 	complexity = 8
 	outputs = list("volume used" = IC_PINTYPE_NUMBER,"self reference" = IC_PINTYPE_REF,"list of reagents" = IC_PINTYPE_LIST)
 	activators = list("scan" = IC_PINTYPE_PULSE_IN)
@@ -308,7 +308,7 @@
 	It will move all reagents, except list, given in fourth pin if amount value is positive.\
 	Or it will move only desired reagents if amount is negative, The third pin determines \
 	how much reagent is moved per pulse, between 0 and 50. Amount is given for each separate reagent."
-	flags = OPENCONTAINER
+	atom_flags = ATOM_REAGENTS_IS_OPEN
 	complexity = 8
 	inputs = list("source" = IC_PINTYPE_REF, "target" = IC_PINTYPE_REF, "injection amount" = IC_PINTYPE_NUMBER, "list of reagents" = IC_PINTYPE_LIST)
 	inputs_default = list("3" = 5)
@@ -356,6 +356,3 @@
 					source.reagents.trans_id_to(target, G.id, transfer_amount)
 		activate_pin(2)
 		push_data()
-
-
-
@@ -174,7 +174,7 @@ Book Cart End
 	item_state = "book"
 	throw_speed = 1
 	throw_range = 5
-	flags = NOCONDUCT
+	atom_flags = ATOM_IS_INSULATED
 	w_class = ITEMSIZE_NORMAL		 //upped to three because books are, y'know, pretty big. (and you could hide them inside eachother recursively forever)
 	attack_verb = list("bashed", "whacked", "educated")
 	var/dat			 // Actual page content
@@ -405,4 +405,4 @@ Book Cart End
 		to_chat(user, "<font color=green>Computer has been associated with this unit.</font>")
 	else
 		to_chat(user, "<font color=red>No associated computer found. Only local scans will function properly.</font>")
-	to_chat(user, "\n")
+	to_chat(user, "\n")
@@ -43,15 +43,6 @@
 		else
 			light = new /datum/light_source(src, .)

-/atom/Initialize()
-	. = ..()
-
-	if(light_power && light_range)
-		update_light()
-
-	if(opacity && isturf(loc))
-		var/turf/T = loc
-		T.has_opaque_atom = TRUE // No need to recalculate it in this case, it's guranteed to be on afterwards anyways.

 /atom/Destroy()
 	if(light)
@@ -109,7 +109,7 @@ var/global/list/name_to_material
 	var/explosion_resistance = 5 // Only used by walls currently.
 	var/negation = 0             // Objects that respect this will randomly absorb impacts with this var as the percent chance.
 	var/spatial_instability = 0  // Objects that have trouble staying in the same physical space by sheer laws of nature have this. Percent for respecting items to cause teleportation.
-	var/conductive = 1           // Objects without this var add NOCONDUCT to flags on spawn.
+	var/conductive = 1           // Objects without this var add ATOM_IS_INSULATED to flags on spawn.
 	var/conductivity = null      // How conductive the material is. Iron acts as the baseline, at 10.
 	var/list/composite_material  // If set, object matter var will be a list containing these values.
 	var/luminescence
@@ -284,4 +284,4 @@ var/global/list/name_to_material
 		)

 /datum/material/proc/get_wall_texture()
-	return
+	return
@@ -41,7 +41,7 @@
 		color = material.icon_colour

 	if(!material.conductive)
-		flags |= NOCONDUCT
+		atom_flags |= ATOM_IS_INSULATED

 	matter = material.get_matter()
 	update_strings()
@@ -29,7 +29,7 @@
 	if(istype(M, /mob/living/carbon/human))
 		var/mob/living/carbon/human/H = user
 		var/obj/item/clothing/gloves/G = H.gloves
-		if(istype(G) && ((G.flags & THICKMATERIAL && prob(70)) || istype(G, /obj/item/clothing/gloves/gauntlets)))
+		if(istype(G) && ((G.item_flags & THICKMATERIAL && prob(70)) || istype(G, /obj/item/clothing/gloves/gauntlets)))
 			burn_user = FALSE

 		if(burn_user)
@@ -52,4 +52,4 @@
 		qdel(src)
 		return
 	SSradiation.radiate(get_turf(src), amount * 2)
-	..()
+	..()
@@ -392,7 +392,7 @@ var/global/list/mining_overlay_cache = list()

 /turf/simulated/mineral/proc/UpdateMineral()
 	clear_ore_effects()
-	if(initialized && istype(mineral))
+	if((atom_flags & ATOM_INITIALIZED) && istype(mineral))
 		new /obj/effect/mineral(src, mineral)
 	update_icon()

@@ -751,7 +751,7 @@ var/global/list/mining_overlay_cache = list()

 	if(mineral_name && (mineral_name in GLOB.ore_data))
 		mineral = GLOB.ore_data[mineral_name]
-		if(initialized)
+		if(atom_flags & ATOM_INITIALIZED)
 			UpdateMineral()
 	update_icon()

@@ -767,7 +767,7 @@ var/global/list/mining_overlay_cache = list()

 		if(isnull(T.geologic_data))
 			T.geologic_data = new /datum/geosample(T)
-		
+
 		if(isnull(T.finds) || isemptylist(T.finds))
 			T.finds = list()
 			if(prob(50))
@@ -792,4 +792,3 @@ var/global/list/mining_overlay_cache = list()
 				T.artifact_find = new()

 		T.update_icon()
-
@@ -125,7 +125,7 @@
 			add_overlay(H.overlays_standing)
 		default_pixel_x = body.default_pixel_x
 		default_pixel_y = body.default_pixel_y
-	if(!T && length(latejoin))	
+	if(!T && length(latejoin))
 		T = pick(latejoin)			//Safety in case we cannot find the body's position
 	if(T)
 		forceMove(T)
@@ -167,10 +167,10 @@
 		I = getFlatIcon(src, defdir = SOUTH, no_anim = TRUE)
 		set_cached_examine_icon(src, I, 200 SECONDS)
 	return I
-	
+
 /mob/observer/dead/examine(mob/user)
 	. = ..()
-	
+
 	if(is_admin(user))
 		. += "\t><span class='admin'>[ADMIN_FULLMONTY(src)]</span>"

@@ -343,7 +343,7 @@ This is the proc mobs get to turn into a ghost. Forked from ghostize due to comp
 	for(var/area/A as anything in areas)
 		if(A.z in using_map?.secret_levels)
 			areas -= A
-	return areas				
+	return areas

 /mob/observer/dead/proc/jumpable_mobs()
 	var/list/mobs = getmobs()
@@ -369,7 +369,7 @@ This is the proc mobs get to turn into a ghost. Forked from ghostize due to comp
 		A = input(usr, "Select an area:", "Ghost Teleport") as null|anything in jumpable_areas()
 	if(!A)
 		return
-	
+
 	usr.forceMove(pick(get_area_turfs(A)))
 	usr.on_mob_jump()

@@ -382,7 +382,7 @@ This is the proc mobs get to turn into a ghost. Forked from ghostize due to comp
 		input = input(usr, "Select a mob:", "Ghost Follow") as null|anything in jumpable_mobs()
 	if(!input)
 		return
-	
+
 	var/target = jumpable_mobs()[input]
 	if(!target) return
 	ManualFollow(target)
@@ -524,7 +524,7 @@ This is the proc mobs get to turn into a ghost. Forked from ghostize due to comp
 	if(check_rights(R_ADMIN|R_FUN|R_EVENT, 0, src))
 		return 0

-	return (T && T.holy) && (is_manifest || (mind in cult.current_antagonists))
+	return (T?.turf_flags & TURF_IS_BLESSED) && (is_manifest || (mind in cult.current_antagonists))

 /mob/observer/dead/verb/jumptomob(input in jumpable_mobs()) //Moves the ghost instead of just changing the ghosts's eye -Nodrak
 	set category = "Ghost"
@@ -930,7 +930,7 @@ This is the proc mobs get to turn into a ghost. Forked from ghostize due to comp
 	set category = "Ghost"
 	set name = "Blank pAI alert"
 	set desc = "Flash an indicator light on available blank pAI devices for a smidgen of hope."
-	
+
 	if(usr.client.prefs?.be_special & BE_PAI)
 		var/count = 0
 		for(var/obj/item/paicard/p in all_pai_cards)
@@ -415,7 +415,7 @@
 		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_HAS_TRANSITION_PRIORITY))
 			return 1

 	return 0
@@ -308,7 +308,7 @@ emp_act
 		if(!((I.damtype == BRUTE) || (I.damtype == HALLOSS)))
 			return

-		if(!(I.flags & NOBLOODY))
+		if(!(I.item_flags & NOBLOODY))
 			I.add_blood(src)

 		var/bloody = 0
@@ -145,7 +145,7 @@ Whatever you did that made the last camera window disappear-- don't do that agai
 	name = ""
 	icon = 'icons/misc/pic_in_pic.dmi'
 	icon_state = "room_background"
-	flags = NOJAUNT
+	turf_flags = TURF_PREVENTS_JAUNT
 	plane = SPACE_PLANE
 	layer = AREA_LAYER + 0.1

@@ -10,7 +10,7 @@
 	drop_sound = 'sound/items/drop/device.ogg'
 	icon_state = "gripper"

-	flags = NOBLUDGEON
+	item_flags = NOBLUDGEON

 	//Has a list of items that it can hold.
 	var/list/can_hold = list(
@@ -19,7 +19,7 @@
 	name = "grab"
 	icon = 'icons/mob/screen1.dmi'
 	icon_state = "reinforce"
-	flags = 0
+	atom_flags = EMPTY_BITFIELD
 	var/obj/screen/grab/hud = null
 	var/mob/living/affecting = null
 	var/mob/living/carbon/human/assailant = null
@@ -268,7 +268,7 @@
 // Things that prevent objects standing on them from falling into turf below
 /obj/structure/catwalk/CanFallThru(atom/movable/mover as mob|obj, turf/target as turf)
 	if((target.z < z) && !hatch_open)
-		return FALSE // TODO - Technically should be density = 1 and flags |= ON_BORDER
+		return FALSE // TODO - Technically should be density = 1 and flags |= ATOM_HAS_TRANSITION_PRIORITY
 	if(!isturf(mover.loc))
 		return FALSE // Only let loose floor items fall. No more snatching things off people's hands.
 	else
@@ -297,7 +297,7 @@
 	if(!isturf(mover.loc))
 		return FALSE // Only let loose floor items fall. No more snatching things off people's hands.
 	else
-		return FALSE // TODO - Technically should be density = 1 and flags |= ON_BORDER
+		return FALSE // TODO - Technically should be density = 1 and flags |= ATOM_HAS_TRANSITION_PRIORITY

 // So you'll slam when falling onto a grille
 /obj/structure/lattice/CheckFall(var/atom/movable/falling_atom)
@@ -357,14 +357,14 @@

 // Called on everything that falling_atom might hit. Return TRUE if you're handling it so find_fall_target() will stop checking.
 /atom/proc/CheckFall(var/atom/movable/falling_atom)
-	if(density && !(flags & ON_BORDER))
+	if(density && !(atom_flags & ATOM_HAS_TRANSITION_PRIORITY))
 		return TRUE

 // If you are hit: how is it handled.
 // Return TRUE if the generic fall_impact should be called
 // Return FALSE if you handled it yourself or if there's no effect from hitting you
 /atom/proc/check_impact(var/atom/movable/falling_atom)
-	if(density && !(flags & ON_BORDER))
+	if(density && !(atom_flags & ATOM_HAS_TRANSITION_PRIORITY))
 		return TRUE

 // By default all turfs are gonna let you hit them regardless of density.
@@ -181,7 +181,7 @@ GLOBAL_LIST_BOILERPLATE(all_brain_organs, /obj/item/organ/internal/brain)
 	decays = FALSE
 	parent_organ = BP_TORSO
 	clone_source = TRUE
-	flags = OPENCONTAINER
+	atom_flags = ATOM_REAGENTS_IS_OPEN
 	var/list/owner_flavor_text = list()

 /obj/item/organ/internal/brain/slime/is_open_container()
@@ -84,7 +84,7 @@
 /obj/effect/shuttle_landmark/ship
 	name = "Open Space"
 	landmark_tag = "ship"
-	flags = SLANDMARK_FLAG_ZERO_G // *Not* AUTOSET, these must be world.turf and world.area for lazy loading to work.
+	landmark_flags = LANDMARK_REMOVES_GRAVITY // *Not* AUTOSET, these must be world.turf and world.area for lazy loading to work.
 	var/shuttle_name
 	var/list/visitors // landmark -> visiting shuttle stationed there

@@ -117,7 +117,7 @@
 //

 /obj/effect/shuttle_landmark/visiting_shuttle
-	flags = SLANDMARK_FLAG_AUTOSET | SLANDMARK_FLAG_ZERO_G
+	landmark_flags = LANDMARK_CREATES_SAFE_SITE | LANDMARK_REMOVES_GRAVITY
 	var/obj/effect/shuttle_landmark/ship/core_landmark

 /obj/effect/shuttle_landmark/visiting_shuttle/Initialize(mapload, obj/effect/shuttle_landmark/ship/master, _name)
@@ -207,4 +207,4 @@
 		if(SHIP_STATUS_TRANSIT)
 			return "Maneuvering under secondary thrust."
 		if(SHIP_STATUS_OVERMAP)
-			return "In open space."
+			return "In open space."
@@ -17,7 +17,7 @@
 	pixel_x = rand(-9, 9)
 	if(newPaper)
 		internalPaper = newPaper
-		flags = newPaper.flags
+		atom_flags = newPaper.atom_flags
 		color = newPaper.color
 		newPaper.forceMove(src)
 	else
@@ -116,7 +116,7 @@
 */

 /obj/item/pen/reagent
-	flags = OPENCONTAINER
+	atom_flags = ATOM_REAGENTS_IS_OPEN
 	origin_tech = list(TECH_MATERIAL = 2, TECH_ILLEGAL = 5)

 /obj/item/pen/reagent/Initialize()
@@ -77,7 +77,7 @@
 	if(!T || !(T.z in using_map.station_levels) )
 		return FALSE
 	var/area/A = get_area(T)
-	if(!A || (A.flags & AREA_FLAG_IS_NOT_PERSISTENT))
+	if(!A || (A.area_flags & AREA_FLAG_IS_NOT_PERSISTENT))
 		return FALSE
 	return TRUE

@@ -104,7 +104,7 @@
 /datum/persistent/proc/Shutdown()
 	if(fexists(filename))
 		fdel(filename)
-	
+
 	var/list/to_store = list()
 	for(var/thing in SSpersistence.tracking_values[type])
 		if(!IsValidEntry(thing))
@@ -121,10 +121,10 @@
 	var/list/my_tracks = SSpersistence.tracking_values[type]
 	if(!my_tracks?.len)
 		return
-	
+
 	. = list("<tr><td colspan = 4><b>[capitalize(name)]</b></td></tr>")
 	. += "<tr><td colspan = 4><hr></td></tr>"
-	
+
 	for(var/thing in my_tracks)
 		. += "<tr>[GetAdminDataStringFor(thing, can_modify, user)]</tr>"
 	. += "<tr><td colspan = 4><hr></td></tr>"
@@ -147,4 +147,4 @@
 		if(.)
 			var/mob/user = locate(href_list["caller"])
 			if(user)
-				SSpersistence.show_info(user)
+				SSpersistence.show_info(user)
@@ -231,7 +231,7 @@ var/global/list/possible_cable_coil_colours = list(
 		shock(user, 5, 0.2)

 	else
-		if(!(W.flags & NOCONDUCT))
+		if(!(W.atom_flags & ATOM_IS_INSULATED))
 			shock(user, 50, 0.7)

 	src.add_fingerprint(user)
@@ -550,7 +550,7 @@ var/global/list/light_type_cache = list()
 				if(M == user)
 					continue
 				M.show_message("[user.name] smashed the light!", 3, "You hear a tinkle of breaking glass", 2)
-			if(on && !(W.flags & NOCONDUCT))
+			if(on && !(W.atom_flags & ATOM_IS_INSULATED))
 				//if(!user.mutations & COLD_RESISTANCE)
 				if (prob(12))
 					electrocute_mob(user, get_area(src), src, 0.3)
@@ -570,7 +570,7 @@ var/global/list/light_type_cache = list()
 			return

 		to_chat(user, "You stick \the [W] into the light socket!")
-		if(has_power() && !(W.flags & NOCONDUCT))
+		if(has_power() && !(W.atom_flags & ATOM_IS_INSULATED))
 			var/datum/effect_system/spark_spread/s = new /datum/effect_system/spark_spread
 			s.set_up(3, 1, src)
 			s.start()
@@ -135,7 +135,7 @@
 	var/impact_effect_type = null

 	var/list/impacted_mobs = list()
-	
+
 	// TGMC Ammo HUD Port
 	var/hud_state = "unknown" // What HUD state we use when we have ammunition.
 	var/hud_state_empty = "unknown" // The empty state. DON'T USE _FLASH IN THE NAME OF THE EMPTY STATE STRING, THAT IS ADDED BY THE CODE.
@@ -636,7 +636,7 @@
 	return 1

 /obj/item/projectile/proc/check_fire(atom/target as mob, mob/living/user as mob)  //Checks if you can hit them or not.
-	check_trajectory(target, user, pass_flags, flags)
+	check_trajectory(target, user, pass_flags, atom_flags)

 /obj/item/projectile/CanPass()
 	return TRUE
@@ -1,6 +1,6 @@
 // Helper proc to check if you can hit them or not.
 // Will return a list of hit mobs/objects.
-/proc/check_trajectory(atom/target as mob|obj, atom/firer as mob|obj, var/pass_flags=PASSTABLE|PASSGLASS|PASSGRILLE, flags=null)
+/proc/check_trajectory(atom/target as mob|obj, atom/firer as mob|obj, var/pass_flags=PASSTABLE|PASSGLASS|PASSGRILLE, flags=0)
 	if(!istype(target) || !istype(firer))
 		return 0

@@ -8,13 +8,13 @@

 	//Set the flags and pass flags to that of the real projectile...
 	if(!isnull(flags))
-		trace.flags = flags
+		trace.atom_flags = flags
 	trace.pass_flags = pass_flags

 	return trace.launch_projectile(target) //Test it!

 /obj/item/projectile/proc/_check_fire(atom/target as mob, var/mob/living/user as mob)  //Checks if you can hit them or not.
-	check_trajectory(target, user, pass_flags, flags)
+	check_trajectory(target, user, pass_flags, atom_flags)

 //"Tracing" projectile
 /obj/item/projectile/test //Used to see if you can hit them.
@@ -1,7 +1,7 @@
 /datum/reagents/distilling/handle_reactions()
 	if(QDELETED(my_atom))
 		return FALSE
-	if(my_atom.flags & NOREACT)
+	if(my_atom.atom_flags & ATOM_REAGENTS_SKIP_REACTIONS)
 		return FALSE
 	var/reaction_occurred
 	var/list/eligible_reactions = list()
@@ -23,4 +23,4 @@
 	for(var/i in effect_reactions)
 		var/decl/chemical_reaction/C = i
 		C.post_reaction(src)
-	update_total()
+	update_total()
@@ -78,7 +78,7 @@
 /datum/reagents/proc/handle_reactions()
 	if(QDELETED(my_atom))
 		return FALSE
-	if(my_atom.flags & NOREACT)
+	if(my_atom.atom_flags & ATOM_REAGENTS_SKIP_REACTIONS)
 		return FALSE
 	var/reaction_occurred
 	var/list/eligible_reactions = list()
@@ -19,7 +19,7 @@
 	var/pillsprite = 1
 	var/max_pill_count = 20
 	var/printing = FALSE
-	flags = OPENCONTAINER
+	atom_flags = ATOM_REAGENTS_IS_OPEN
 	clicksound = "button"

 /obj/machinery/chem_master/Initialize()
@@ -495,4 +495,4 @@

 /obj/machinery/chem_master/condimaster
 	name = "CondiMaster 3000"
-	condi = 1
+	condi = 1
@@ -53,11 +53,11 @@
 				to_chat(user, span("notice", "Contains [R.volume]u of <b>[R.name]</b>.<br>[R.description]<br>"))

 		// Last, unseal it if it's an autoinjector.
-		if(istype(I,/obj/item/reagent_containers/hypospray/autoinjector/biginjector) && !(I.flags & OPENCONTAINER))
-			I.flags |= OPENCONTAINER
+		if(istype(I,/obj/item/reagent_containers/hypospray/autoinjector/biginjector) && !(I.atom_flags & ATOM_REAGENTS_IS_OPEN))
+			I.atom_flags |= ATOM_REAGENTS_IS_OPEN
 			to_chat(user, span("notice", "Sample container unsealed.<br>"))

 		to_chat(user, span("notice", "Scanning of \the [I] complete."))
 		analyzing = FALSE
 		update_icon()
-		return
+		return
@@ -55,10 +55,10 @@
 	..()
 	if (is_open_container())
 		to_chat(usr, "<span class = 'notice'>You put the cap on \the [src].</span>")
-		flags ^= OPENCONTAINER
+		atom_flags ^= ATOM_REAGENTS_IS_OPEN
 	else
 		to_chat(usr, "<span class = 'notice'>You take the cap off \the [src].</span>")
-		flags |= OPENCONTAINER
+		atom_flags |= ATOM_REAGENTS_IS_OPEN

 /obj/item/reagent_containers/chem_disp_cartridge/afterattack(obj/target, mob/user , flag)
 	if (!is_open_container() || !flag)
@@ -14,7 +14,7 @@
 	possible_transfer_amounts = list(5,10,15,25,30,60)
 	volume = 60
 	w_class = ITEMSIZE_SMALL
-	flags = OPENCONTAINER | NOCONDUCT
+	atom_flags = ATOM_REAGENTS_IS_OPEN | ATOM_IS_INSULATED
 	unacidable = 1 //glass doesn't dissolve in acid
 	drop_sound = 'sound/items/drop/bottle.ogg'
 	pickup_sound = 'sound/items/pickup/bottle.ogg'
@@ -74,14 +74,14 @@
 	..()
 	if(is_open_container())
 		to_chat(usr, "<span class = 'notice'>You put the lid on \the [src].</span>")
-		flags ^= OPENCONTAINER
+		atom_flags ^= ATOM_REAGENTS_IS_OPEN
 	else
 		to_chat(usr, "<span class = 'notice'>You take the lid off \the [src].</span>")
-		flags |= OPENCONTAINER
+		atom_flags |= ATOM_REAGENTS_IS_OPEN
 	update_icon()

 /obj/item/reagent_containers/glass/attack(mob/M as mob, mob/user as mob, def_zone)
-	if(force && !(flags & NOBLUDGEON) && user.a_intent == I_HURT)
+	if(force && !(item_flags & NOBLUDGEON) && user.a_intent == I_HURT)
 		return	..()

 	if(standard_feed_mob(user, M))
@@ -134,7 +134,7 @@
 			update_name_label()
 	if(istype(W,/obj/item/storage/bag))
 		..()
-	if(W && W.w_class <= w_class && (flags & OPENCONTAINER) && user.a_intent != I_HELP)
+	if(W && W.w_class <= w_class && (atom_flags & ATOM_REAGENTS_IS_OPEN) && user.a_intent != I_HELP)
 		to_chat(user, "<span class='notice'>You dip \the [W] into \the [src].</span>")
 		reagents.touch_obj(W, reagents.total_volume)

@@ -209,7 +209,7 @@
 	volume = 120
 	amount_per_transfer_from_this = 10
 	possible_transfer_amounts = list(5,10,15,25,30,60,120)
-	flags = OPENCONTAINER
+	atom_flags = ATOM_REAGENTS_IS_OPEN

 /obj/item/reagent_containers/glass/beaker/noreact
 	name = "cryostasis beaker"
@@ -219,7 +219,7 @@
 	matter = list("glass" = 500)
 	volume = 60
 	amount_per_transfer_from_this = 10
-	flags = OPENCONTAINER | NOREACT
+	atom_flags = ATOM_REAGENTS_IS_OPEN | ATOM_REAGENTS_SKIP_REACTIONS

 /obj/item/reagent_containers/glass/beaker/bluespace
 	name = "bluespace beaker"
@@ -230,7 +230,7 @@
 	volume = 300
 	amount_per_transfer_from_this = 10
 	possible_transfer_amounts = list(5,10,15,25,30,60,120,300)
-	flags = OPENCONTAINER
+	atom_flags = ATOM_REAGENTS_IS_OPEN

 /obj/item/reagent_containers/glass/beaker/vial
 	name = "vial"
@@ -242,7 +242,7 @@
 	w_class = ITEMSIZE_TINY
 	amount_per_transfer_from_this = 10
 	possible_transfer_amounts = list(5,10,15,30)
-	flags = OPENCONTAINER
+	atom_flags = ATOM_REAGENTS_IS_OPEN

 /obj/item/reagent_containers/glass/beaker/cryoxadone
 	name = "beaker (cryoxadone)"
@@ -259,7 +259,7 @@
 	volume = 120
 	amount_per_transfer_from_this = 10
 	possible_transfer_amounts = list(5,10,15,25,30,60,120)
-	flags = OPENCONTAINER
+	atom_flags = ATOM_REAGENTS_IS_OPEN

 /obj/item/reagent_containers/glass/bucket
 	desc = "It's a bucket."
@@ -273,7 +273,7 @@
 	amount_per_transfer_from_this = 20
 	possible_transfer_amounts = list(10,20,30,60,120)
 	volume = 120
-	flags = OPENCONTAINER
+	atom_flags = ATOM_REAGENTS_IS_OPEN
 	unacidable = 0
 	drop_sound = 'sound/items/drop/helm.ogg'
 	pickup_sound = 'sound/items/pickup/helm.ogg'
@@ -331,7 +331,7 @@
 	amount_per_transfer_from_this = 20
 	possible_transfer_amounts = list(10,20,30,60,120)
 	volume = 120
-	flags = OPENCONTAINER
+	atom_flags = ATOM_REAGENTS_IS_OPEN
 	unacidable = 0
 	drop_sound = 'sound/items/drop/wooden.ogg'
 	pickup_sound = 'sound/items/pickup/wooden.ogg'
@@ -12,7 +12,7 @@
 	unacidable = 1
 	volume = 30
 	possible_transfer_amounts = null
-	flags = OPENCONTAINER
+	atom_flags = ATOM_REAGENTS_IS_OPEN
 	slot_flags = SLOT_BELT
 	drop_sound = 'sound/items/drop/gun.ogg'
 	pickup_sound = 'sound/items/pickup/gun.ogg'
@@ -115,7 +115,7 @@
 			if(!do_after(user,30) || loaded_vial || !(W in user))
 				return 0
 			if(W.is_open_container())
-				W.flags ^= OPENCONTAINER
+				W.atom_flags ^= ATOM_REAGENTS_IS_OPEN
 				W.update_icon()
 			user.drop_item()
 			W.loc = src
@@ -152,13 +152,13 @@

 /obj/item/reagent_containers/hypospray/autoinjector/used/Initialize()
 	. = ..()
-	flags &= ~OPENCONTAINER
+	atom_flags &= ~ATOM_REAGENTS_IS_OPEN
 	icon_state = "[initial(icon_state)]0"

 /obj/item/reagent_containers/hypospray/autoinjector/do_injection(mob/living/carbon/human/H, mob/living/user)
 	. = ..()
 	if(.) // Will occur if successfully injected.
-		flags &= ~OPENCONTAINER
+		atom_flags &= ~ATOM_REAGENTS_IS_OPEN
 		update_icon()

 /obj/item/reagent_containers/hypospray/autoinjector/update_icon()
@@ -5,7 +5,8 @@
 	icon_state = "cleaner"
 	item_state = "cleaner"
 	center_of_mass = list("x" = 16,"y" = 10)
-	flags = OPENCONTAINER|NOBLUDGEON
+	atom_flags = ATOM_REAGENTS_IS_OPEN
+	item_flags = NOBLUDGEON
 	matter = list("glass" = 300, MAT_STEEL = 300)
 	slot_flags = SLOT_BELT
 	throwforce = 3
@@ -7,102 +7,102 @@
 // The good.
 /obj/item/reagent_containers/hypospray/autoinjector/bonemed/unidentified
 	init_hide_identity = TRUE
-	flags = 0
+	atom_flags = EMPTY_BITFIELD

 /obj/item/reagent_containers/hypospray/autoinjector/clonemed/unidentified
 	init_hide_identity = TRUE
-	flags = 0
+	atom_flags = EMPTY_BITFIELD

 /obj/item/reagent_containers/hypospray/autoinjector/biginjector/brute/unidentified
 	init_hide_identity = TRUE
-	flags = 0
+	atom_flags = EMPTY_BITFIELD

 /obj/item/reagent_containers/hypospray/autoinjector/biginjector/burn/unidentified
 	init_hide_identity = TRUE
-	flags = 0
+	atom_flags = EMPTY_BITFIELD

 /obj/item/reagent_containers/hypospray/autoinjector/biginjector/toxin/unidentified
 	init_hide_identity = TRUE
-	flags = 0
+	atom_flags = EMPTY_BITFIELD

 /obj/item/reagent_containers/hypospray/autoinjector/biginjector/oxy/unidentified
 	init_hide_identity = TRUE
-	flags = 0
+	atom_flags = EMPTY_BITFIELD

 /obj/item/reagent_containers/hypospray/autoinjector/biginjector/purity/unidentified
 	init_hide_identity = TRUE
-	flags = 0
+	atom_flags = EMPTY_BITFIELD

 /obj/item/reagent_containers/hypospray/autoinjector/biginjector/pain/unidentified
 	init_hide_identity = TRUE
-	flags = 0
+	atom_flags = EMPTY_BITFIELD

 /obj/item/reagent_containers/hypospray/autoinjector/biginjector/organ/unidentified
 	init_hide_identity = TRUE
-	flags = 0
+	atom_flags = EMPTY_BITFIELD

 /obj/item/reagent_containers/hypospray/autoinjector/biginjector/clotting/unidentified
 	init_hide_identity = TRUE
-	flags = 0
+	atom_flags = EMPTY_BITFIELD

 /obj/item/reagent_containers/hypospray/autoinjector/biginjector/combat/unidentified
 	init_hide_identity = TRUE
-	flags = 0
+	atom_flags = EMPTY_BITFIELD

 /obj/item/reagent_containers/hypospray/autoinjector/biginjector/healing_nanites/unidentified
 	init_hide_identity = TRUE
-	flags = 0
+	atom_flags = EMPTY_BITFIELD

 // The somewhat bad.
 /obj/item/reagent_containers/hypospray/autoinjector/biginjector/stimm/unidentified
 	init_hide_identity = TRUE
-	flags = 0
+	atom_flags = EMPTY_BITFIELD

 /obj/item/reagent_containers/hypospray/autoinjector/biginjector/bliss/unidentified
 	init_hide_identity = TRUE
-	flags = 0
+	atom_flags = EMPTY_BITFIELD

 /obj/item/reagent_containers/hypospray/autoinjector/biginjector/expired/unidentified
 	init_hide_identity = TRUE
-	flags = 0
+	atom_flags = EMPTY_BITFIELD

 /obj/item/reagent_containers/hypospray/autoinjector/biginjector/serotrotium/unidentified
 	init_hide_identity = TRUE
-	flags = 0
+	atom_flags = EMPTY_BITFIELD

 /obj/item/reagent_containers/hypospray/autoinjector/biginjector/cryptobiolin/unidentified
 	init_hide_identity = TRUE
-	flags = 0
+	atom_flags = EMPTY_BITFIELD

 /obj/item/reagent_containers/hypospray/autoinjector/biginjector/mindbreaker/unidentified
 	init_hide_identity = TRUE
-	flags = 0
+	atom_flags = EMPTY_BITFIELD

 /obj/item/reagent_containers/hypospray/autoinjector/biginjector/psilocybin/unidentified
 	init_hide_identity = TRUE
-	flags = 0
+	atom_flags = EMPTY_BITFIELD

 /obj/item/reagent_containers/hypospray/autoinjector/biginjector/soporific/unidentified
 	init_hide_identity = TRUE
-	flags = 0
+	atom_flags = EMPTY_BITFIELD

 // The very bad.
 /obj/item/reagent_containers/hypospray/autoinjector/biginjector/cyanide/unidentified
 	init_hide_identity = TRUE
-	flags = 0
+	atom_flags = EMPTY_BITFIELD

 /obj/item/reagent_containers/hypospray/autoinjector/biginjector/impedrezene/unidentified
 	init_hide_identity = TRUE
-	flags = 0
+	atom_flags = EMPTY_BITFIELD

 /obj/item/reagent_containers/hypospray/autoinjector/biginjector/mutagen/unidentified
 	init_hide_identity = TRUE
-	flags = 0
+	atom_flags = EMPTY_BITFIELD

 /obj/item/reagent_containers/hypospray/autoinjector/biginjector/defective_nanites/unidentified
 	init_hide_identity = TRUE
-	flags = 0
+	atom_flags = EMPTY_BITFIELD

 /obj/item/reagent_containers/hypospray/autoinjector/biginjector/contaminated/unidentified
 	init_hide_identity = TRUE
-	flags = 0
+	atom_flags = EMPTY_BITFIELD
@@ -363,7 +363,7 @@
 /datum/reagent/water/holywater/touch_turf(var/turf/T)
 	..()
 	if(volume >= 5)
-		T.holy = 1
+		T.turf_flags |= TURF_IS_BLESSED
 	return

 /datum/reagent/ammonia
@@ -6,7 +6,6 @@
 	var/obj/wrapped = null
 	density = 1
 	var/sortTag = null
-	flags = NOBLUDGEON
 	mouse_drag_pointer = MOUSE_ACTIVE_POINTER
 	var/examtext = null
 	var/nameset = 0
@@ -7,7 +7,7 @@ using metal and glass, it uses glass and reagents (usually sulphuric acid).
 /obj/machinery/r_n_d/circuit_imprinter
 	name = "Circuit Imprinter"
 	icon_state = "circuit_imprinter"
-	flags = OPENCONTAINER
+	atom_flags = ATOM_REAGENTS_IS_OPEN
 	circuit = /obj/item/circuitboard/circuit_imprinter
 	var/list/datum/design/queue = list()
 	var/progress = 0
@@ -1,7 +1,7 @@
 /obj/machinery/r_n_d/protolathe
 	name = "Protolathe"
 	icon_state = "protolathe"
-	flags = OPENCONTAINER
+	atom_flags = ATOM_REAGENTS_IS_OPEN
 	circuit = /obj/item/circuitboard/protolathe
 	use_power = USE_POWER_IDLE
 	idle_power_usage = 30
@@ -237,4 +237,4 @@
 		return
 	materials[material] -= ejected * S.perunit
 	if(recursive && materials[material] >= S.perunit)
-		eject_materials(material, -1)
+		eject_materials(material, -1)
@@ -7,7 +7,8 @@
 	unacidable = 1
 	simulated = 0
 	invisibility = 101
-	flags = SLANDMARK_FLAG_AUTOSET // We generally want to use current area/turf as base.
+
+	var/landmark_flags = LANDMARK_CREATES_SAFE_SITE // We generally want to use current area/turf as base.

 	//ID of the landmark
 	var/landmark_tag
@@ -30,7 +31,7 @@
 		. = INITIALIZE_HINT_LATELOAD

 	// Even if this flag is set, hardcoded values take precedence.
-	if(flags & SLANDMARK_FLAG_AUTOSET)
+	if(landmark_flags & LANDMARK_CREATES_SAFE_SITE)
 		if(ispath(base_area))
 			var/area/A = locate(base_area)
 			if(!istype(A))
@@ -123,7 +124,7 @@
 /obj/effect/shuttle_landmark/automatic
 	name = "Navpoint"
 	landmark_tag = "navpoint"
-	flags = SLANDMARK_FLAG_AUTOSET
+	landmark_flags = LANDMARK_CREATES_SAFE_SITE

 /obj/effect/shuttle_landmark/automatic/Initialize()
 	landmark_tag += "-[x]-[y]-[z]-[random_id("landmarks",1,9999)]"
@@ -290,7 +290,7 @@
 	// If shuttle has no internal gravity, update our gravity with destination gravity
 	if((flags & SHUTTLE_FLAGS_ZERO_G))
 		var/new_grav = 1
-		if(destination.flags & SLANDMARK_FLAG_ZERO_G)
+		if(destination.landmark_flags & LANDMARK_REMOVES_GRAVITY)
 			var/area/new_area = get_area(destination)
 			new_grav = new_area.has_gravity
 		for(var/area/our_area in shuttle_area)
@@ -215,4 +215,4 @@
 	return	//do nothing for now

 /obj/effect/shuttle_landmark/transit
-	flags = SLANDMARK_FLAG_ZERO_G|SLANDMARK_FLAG_AUTOSET
+	landmark_flags = LANDMARK_REMOVES_GRAVITY | LANDMARK_CREATES_SAFE_SITE
@@ -91,7 +91,7 @@
 /obj/effect/dummy/spell_jaunt/relaymove(var/mob/user, direction)
 	if (!src.canmove || reappearing) return
 	var/turf/newLoc = get_step(src,direction)
-	if(!(newLoc.flags & NOJAUNT))
+	if(!(newLoc.turf_flags & TURF_PREVENTS_JAUNT))
 		loc = newLoc
 		var/turf/T = get_turf(loc)
 		if(!T.contains_dense_objects())
@@ -104,4 +104,4 @@
 /obj/effect/dummy/spell_jaunt/ex_act(blah)
 	return
 /obj/effect/dummy/spell_jaunt/bullet_act(blah)
-	return
+	return
@@ -88,7 +88,7 @@
 		layer = ABOVE_MOB_LAYER
 	climbable = 0 //flipping tables allows them to be used as makeshift barriers
 	flipped = 1
-	flags |= ON_BORDER
+	atom_flags |= ATOM_HAS_TRANSITION_PRIORITY
 	for(var/D in list(turn(direction, 90), turn(direction, -90)))
 		var/obj/structure/table/T = locate() in get_step(src,D)
 		if(T && T.flipped == 0 && material && T.material && T.material.name == material.name)
@@ -106,7 +106,7 @@
 	reset_plane_and_layer()
 	flipped = 0
 	climbable = initial(climbable)
-	flags &= ~ON_BORDER
+	atom_flags &= ~ATOM_HAS_TRANSITION_PRIORITY
 	for(var/D in list(turn(dir, 90), turn(dir, -90)))
 		var/obj/structure/table/T = locate() in get_step(src.loc,D)
 		if(T && T.flipped == 1 && T.dir == src.dir && material && T.material&& T.material.name == material.name)
@@ -115,4 +115,4 @@
 	update_connections(1)
 	update_icon()

-	return 1
+	return 1
@@ -12,7 +12,7 @@
 	origin_tech = list(TECH_BIO = 4)
 	var/uses = 1 // uses before it goes inert
 	var/enhanced = FALSE
-	flags = OPENCONTAINER
+	atom_flags = ATOM_REAGENTS_IS_OPEN


 /obj/item/slime_extract/Initialize()
@@ -986,6 +986,3 @@
 /decl/chemical_reaction/instant/slime/rainbow_unity/on_reaction(var/datum/reagents/holder)
 	new /obj/item/slimepotion/unity(get_turf(holder.my_atom))
 	..()
-
-
-