Merge pull request #8886 from Ghommie/Ghommie-cit137

Ports "Refactors NODROP flag into TRAIT_NODROP"
2019-07-14 14:05:20 -07:00
parent 5be6b358f0 a3a2fb03b6
commit 2ec5d3f02e
82 changed files with 388 additions and 211 deletions
@@ -20,13 +20,12 @@
 #define FORCE_STRING_OVERRIDE	(1<<2) // used for tooltips
 #define NEEDS_PERMIT			(1<<3) //Used by security bots to determine if this item is safe for public use.
 #define SLOWS_WHILE_IN_HAND		(1<<4)
-#define NO_MAT_REDEMPTION			(1<<5) // Stops you from putting things like an RCD or other items into an ORM or protolathe for materials.
-#define DROPDEL						(1<<6) // When dropped, it calls qdel on itself
+#define NO_MAT_REDEMPTION		(1<<5) // Stops you from putting things like an RCD or other items into an ORM or protolathe for materials.
+#define DROPDEL					(1<<6) // When dropped, it calls qdel on itself
 #define NOBLUDGEON				(1<<7)		// when an item has this it produces no "X has been hit by Y with Z" message in the default attackby()
-#define NODROP					(1<<8)		// This flag makes it so that an item literally cannot be removed at all, or at least that's how it should be. Only deleted.
-#define ABSTRACT				(1<<9) 	// for all things that are technically items but used for various different stuff
-#define IMMUTABLE_SLOW          (1<<10) //When players should not be able to change the slowdown of the item (Speed potions, ect)
-#define SURGICAL_TOOL			(1<<12)	//Tool commonly used for surgery: won't attack targets in an active surgical operation on help intent (in case of mistakes)
+#define ABSTRACT				(1<<8) 	// for all things that are technically items but used for various different stuff
+#define IMMUTABLE_SLOW          (1<<9) //When players should not be able to change the slowdown of the item (Speed potions, ect)
+#define SURGICAL_TOOL			(1<<10)	//Tool commonly used for surgery: won't attack targets in an active surgical operation on help intent (in case of mistakes)

 // Flags for the clothing_flags var on /obj/item/clothing

@@ -120,6 +120,9 @@
 //non-mob traits
 #define TRAIT_PARALYSIS			"paralysis" //Used for limb-based paralysis, where replacing the limb will fix it

+// item traits
+#define TRAIT_NODROP            "nodrop"
+
 #define TRAIT_ALCOHOL_TOLERANCE	"alcohol_tolerance"
 #define TRAIT_AGEUSIA			"ageusia"
 #define TRAIT_HEAVY_SLEEPER		"heavy_sleeper"
@@ -156,6 +159,12 @@
 #define SPECIES_TRAIT "species"
 #define ORGAN_TRAIT "organ"
 #define JOB_TRAIT "job"
+#define CYBORG_ITEM_TRAIT "cyborg-item"
+#define ADMIN_TRAIT "admin" // (B)admins only.
+#define CHANGELING_TRAIT "changeling"
+#define CULT_TRAIT "cult"
+#define CURSED_ITEM_TRAIT "cursed-item" // The item is magically cursed
+#define ABSTRACT_ITEM_TRAIT "abstract-item"
 #define ROUNDSTART_TRAIT "roundstart" //cannot be removed without admin intervention

 // unique trait sources, still defines
@@ -168,3 +177,24 @@
 #define STASIS_MUTE "stasis"
 #define GENETICS_SPELL "genetics_spell"
 #define EYES_COVERED "eyes_covered"
+#define CULT_TRAIT "cult"
+#define CLOWN_NUKE_TRAIT "clown-nuke"
+#define STICKY_MOUSTACHE_TRAIT "sticky-moustache"
+#define CHAINSAW_FRENZY_TRAIT "chainsaw-frenzy"
+#define CHRONO_GUN_TRAIT "chrono-gun"
+#define REVERSE_BEAR_TRAP_TRAIT "reverse-bear-trap"
+#define GLUED_ITEM_TRAIT "glued-item"
+#define CURSED_MASK_TRAIT "cursed-mask"
+#define HIS_GRACE_TRAIT "his-grace"
+#define HAND_REPLACEMENT_TRAIT "magic-hand"
+#define HOT_POTATO_TRAIT "hot-potato"
+#define SABRE_SUICIDE_TRAIT "sabre-suicide"
+#define ABDUCTOR_VEST_TRAIT "abductor-vest"
+#define CAPTURE_THE_FLAG_TRAIT "capture-the-flag"
+#define EYE_OF_GOD_TRAIT "eye-of-god"
+#define SHAMEBRERO_TRAIT "shamebrero"
+#define CHRONOSUIT_TRAIT "chronosuit"
+#define FLIGHTSUIT_TRAIT "flightsuit"
+#define LOCKED_HELMET_TRAIT "locked-helmet"
+#define NINJA_SUIT_TRAIT "ninja-suit"
+#define ANTI_DROP_IMPLANT_TRAIT "anti-drop-implant"
@@ -47,7 +47,6 @@ GLOBAL_LIST_INIT(bitfields, list(
 		"NO_MAT_REDEMPTION" = NO_MAT_REDEMPTION,
 		"DROPDEL" = DROPDEL,
 		"NOBLUDGEON" = NOBLUDGEON,
-		"NODROP" = NODROP,
 		"ABSTRACT" = ABSTRACT,
 		),
 	"admin_flags" = list(
@@ -592,7 +592,7 @@
 			if(!stop_messages)
 				to_chat(M, "<span class='warning'>[IP] cannot hold [I] as it's a storage item of the same size!</span>")
 			return FALSE //To prevent the stacking of same sized storage items.
-	if(I.item_flags & NODROP) //SHOULD be handled in unEquip, but better safe than sorry.
+	if(HAS_TRAIT(I, TRAIT_NODROP)) //SHOULD be handled in unEquip, but better safe than sorry.
 		to_chat(M, "<span class='warning'>\the [I] is stuck to your hand, you can't put it in \the [host]!</span>")
 		return FALSE
 	var/datum/component/storage/concrete/master = master()
@@ -42,17 +42,17 @@
 		var/obj/item/clothing/C
 		if(!H.w_uniform || H.dropItemToGround(H.w_uniform))
 			C = new /obj/item/clothing/under/rank/clown(H)
-			C.item_flags |= NODROP //mwahaha
+			ADD_TRAIT(C, TRAIT_NODROP, CLOWN_NUKE_TRAIT)
 			H.equip_to_slot_or_del(C, SLOT_W_UNIFORM)

 		if(!H.shoes || H.dropItemToGround(H.shoes))
 			C = new /obj/item/clothing/shoes/clown_shoes(H)
-			C.item_flags |= NODROP
+			ADD_TRAIT(C, TRAIT_NODROP, CLOWN_NUKE_TRAIT)
 			H.equip_to_slot_or_del(C, SLOT_SHOES)

 		if(!H.wear_mask || H.dropItemToGround(H.wear_mask))
 			C = new /obj/item/clothing/mask/gas/clown_hat(H)
-			C.item_flags |= NODROP
+			ADD_TRAIT(C, TRAIT_NODROP, CLOWN_NUKE_TRAIT)
 			H.equip_to_slot_or_del(C, SLOT_WEAR_MASK)

 		H.dna.add_mutation(CLOWNMUT)
@@ -216,11 +216,11 @@

 /obj/item/clothing/mask/fakemoustache/sticky/Initialize()
 	. = ..()
-	item_flags |= NODROP
+	ADD_TRAIT(src, TRAIT_NODROP, STICKY_MOUSTACHE_TRAIT)
 	addtimer(CALLBACK(src, .proc/unstick), unstick_time)

 /obj/item/clothing/mask/fakemoustache/sticky/proc/unstick()
-	item_flags &= ~NODROP
+	ADD_TRAIT(src, TRAIT_NODROP, STICKY_MOUSTACHE_TRAIT)

 //DARK H.O.N.K. AND CLOWN MECH WEAPONS

@@ -69,7 +69,7 @@
 		if(defib)
 			to_chat(user, "<span class='warning'>There's already a defibrillator in [src]!</span>")
 			return
-		if(I.item_flags & NODROP || !user.transferItemToLoc(I, src))
+		if(HAS_TRAIT(I, TRAIT_NODROP) || !user.transferItemToLoc(I, src))
 			to_chat(user, "<span class='warning'>[I] is stuck to your hand!</span>")
 			return
 		user.visible_message("<span class='notice'>[user] hooks up [I] to [src]!</span>", \
@@ -65,7 +65,7 @@
 			if(!isitem(A))
 				continue
 			var/obj/item/I = A
-			if(!(I.item_flags & NODROP))
+			if(!HAS_TRAIT(I, TRAIT_NODROP))
 				say("Subject may not have abiotic items on.")
 				playsound(src, 'sound/machines/buzz-sigh.ogg', 30, 1)
 				return
@@ -131,7 +131,7 @@
 	var/obj/item/twohanded/required/chainsaw/doomslayer/chainsaw = new(victim.loc)
 	victim.log_message("entered a blood frenzy", LOG_ATTACK)

-	chainsaw.item_flags |= NODROP
+	ADD_TRAIT(chainsaw, TRAIT_NODROP, CHAINSAW_FRENZY_TRAIT)
 	victim.drop_all_held_items()
 	victim.put_in_hands(chainsaw, forced = TRUE)
 	chainsaw.attack_self(victim)
@@ -817,6 +817,6 @@ GLOBAL_VAR_INIT(rpg_loot_items, FALSE)
 	return ..()

 /obj/item/throw_at(atom/target, range, speed, mob/thrower, spin=TRUE, diagonals_first = FALSE, var/datum/callback/callback)
-	if (item_flags & NODROP)
+	if (HAS_TRAIT(src, TRAIT_NODROP))
 		return
 	return ..()
@@ -48,7 +48,7 @@
 	icon_state = "chronogun"
 	item_state = "chronogun"
 	w_class = WEIGHT_CLASS_NORMAL
-	item_flags = NODROP | DROPDEL
+	item_flags = DROPDEL
 	ammo_type = list(/obj/item/ammo_casing/energy/chrono_beam)
 	can_charge = 0
 	fire_delay = 50
@@ -58,6 +58,7 @@

 /obj/item/gun/energy/chrono_gun/Initialize()
 	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, CHRONO_GUN_TRAIT)
 	if(istype(loc, /obj/item/chrono_eraser))
 		TED = loc
 	else //admin must have spawned it
@@ -150,8 +151,8 @@
 		gun = loc
 	. = ..()

-	
-	
+
+


 /obj/effect/chrono_field
@@ -19,11 +19,11 @@
 			return
 		if(istype(target, /obj/item))
 			var/obj/item/I = target
-			if(I.item_flags & NODROP)
+			if(HAS_TRAIT_FROM(I, TRAIT_NODROP, GLUED_ITEM_TRAIT))
 				to_chat(user, "<span class='warning'>[I] is already sticky!</span>")
 				return
 			uses -= 1
-			I.item_flags |= NODROP
+			ADD_TRAIT(I, TRAIT_NODROP, GLUED_ITEM_TRAIT)
 			I.desc += " It looks sticky."
 			to_chat(user, "<span class='notice'>You smear the [I] with glue, making it incredibly sticky!</span>")
 			if(uses == 0)
@@ -156,7 +156,10 @@ GLOBAL_LIST_EMPTY(GPS_list)
 	icon_state = "gps-b"
 	gpstag = "BORG0"
 	desc = "A mining cyborg internal positioning system. Used as a recovery beacon for damaged cyborg assets, or a collaboration tool for mining teams."
-	item_flags = NODROP
+
+/obj/item/gps/cyborg/Initialize()
+	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, CYBORG_ITEM_TRAIT)

 /obj/item/gps/internal
 	icon_state = null
@@ -38,7 +38,7 @@

 /obj/item/electropack/attackby(obj/item/W, mob/user, params)
 	if(istype(W, /obj/item/clothing/head/helmet))
-		var/obj/item/assembly/shock_kit/A = new /obj/item/assembly/shock_kit( user )
+		var/obj/item/assembly/shock_kit/A = new /obj/item/assembly/shock_kit(user)
 		A.icon = 'icons/obj/assemblies.dmi'

 		if(!user.transferItemToLoc(W, A))
@@ -53,8 +53,6 @@

 		user.put_in_hands(A)
 		A.add_fingerprint(user)
-		if(item_flags & NODROP)
-			A.item_flags |= NODROP
 	else
 		return ..()

@@ -106,8 +104,7 @@
 		if(shock_cooldown != 0)
 			return
 		shock_cooldown = 1
-		spawn(100)
-			shock_cooldown = 0
+		addtimer(VARSET_CALLBACK(src, shock_cooldown, 0), 100)
 		var/mob/living/L = loc
 		step(L, pick(GLOB.cardinals))

@@ -49,7 +49,7 @@
 	if(iscarbon(user))
 		var/mob/living/carbon/C = user
 		if(C.get_item_by_slot(SLOT_HEAD) == src)
-			if((item_flags & NODROP) && !struggling)
+			if(HAS_TRAIT_FROM(src, TRAIT_NODROP, REVERSE_BEAR_TRAP_TRAIT) && !struggling)
 				struggling = TRUE
 				var/fear_string
 				switch(time_left)
@@ -74,7 +74,7 @@
 				else
 					user.visible_message("<span class='warning'>The lock on [user]'s [name] pops open!</span>", \
 					"<span class='userdanger'>You force open the padlock!</span>", "<i>You hear a single, pronounced click!</i>")
-					item_flags &= ~NODROP
+					REMOVE_TRAIT(src, TRAIT_NODROP, REVERSE_BEAR_TRAP_TRAIT)
 				struggling = FALSE
 			else
 				..()
@@ -116,7 +116,7 @@

 /obj/item/reverse_bear_trap/proc/reset()
 	ticking = FALSE
-	item_flags &= ~NODROP
+	REMOVE_TRAIT(src, TRAIT_NODROP, REVERSE_BEAR_TRAP_TRAIT)
 	soundloop.stop()
 	soundloop2.stop()
 	STOP_PROCESSING(SSprocessing, src)
@@ -125,7 +125,7 @@
 	ticking = TRUE
 	escape_chance = initial(escape_chance) //we keep these vars until re-arm, for tracking purposes
 	time_left = initial(time_left)
-	item_flags |= NODROP
+	ADD_TRAIT(src, TRAIT_NODROP, REVERSE_BEAR_TRAP_TRAIT)
 	soundloop.start()
 	soundloop2.mid_length = initial(soundloop2.mid_length)
 	soundloop2.start()
@@ -279,9 +279,7 @@
 /obj/item/book/granter/spell/barnyard/recoil(mob/living/carbon/user)
 	if(ishuman(user))
 		to_chat(user,"<font size='15' color='red'><b>HORSIE HAS RISEN</b></font>")
-		var/obj/item/clothing/mask/horsehead/magichead = new /obj/item/clothing/mask/horsehead
-		magichead.item_flags |= NODROP		//curses!
-		magichead.flags_inv &= ~HIDEFACE //so you can still see their face
+		var/obj/item/clothing/magichead = new /obj/item/clothing/mask/horsehead/cursed(user.drop_location())
 		user.dropItemToGround(user.wear_mask, TRUE)
 		user.equip_to_slot_if_possible(magichead, SLOT_WEAR_MASK, TRUE, TRUE)
 		qdel(src)
@@ -90,7 +90,7 @@
 				do_attack_animation(master, null, src)
 				master.emote("scream")
 				master.remove_status_effect(STATUS_EFFECT_HISGRACE)
-				item_flags &= ~NODROP
+				REMOVE_TRAIT(src, TRAIT_NODROP, HIS_GRACE_TRAIT)
 				master.Knockdown(60)
 				master.adjustBruteLoss(master.maxHealth)
 				playsound(master, 'sound/effects/splat.ogg', 100, 0)
@@ -198,20 +198,20 @@
 	update_stats()

 /obj/item/his_grace/proc/update_stats()
-	item_flags &= ~NODROP
+	REMOVE_TRAIT(src, TRAIT_NODROP, HIS_GRACE_TRAIT)
 	var/mob/living/master = get_atom_on_turf(src, /mob/living)
 	switch(bloodthirst)
 		if(HIS_GRACE_CONSUME_OWNER to HIS_GRACE_FALL_ASLEEP)
 			if(HIS_GRACE_CONSUME_OWNER > prev_bloodthirst)
 				master.visible_message("<span class='userdanger'>[src] enters a frenzy!</span>")
 		if(HIS_GRACE_STARVING to HIS_GRACE_CONSUME_OWNER)
-			item_flags |= NODROP
+			ADD_TRAIT(src, TRAIT_NODROP, HIS_GRACE_TRAIT)
 			if(HIS_GRACE_STARVING > prev_bloodthirst)
 				master.visible_message("<span class='boldwarning'>[src] is starving!</span>", "<span class='his_grace big'>[src]'s bloodlust overcomes you. [src] must be fed, or you will become His meal.\
 				[force_bonus < 15 ? " And still, His power grows.":""]</span>")
 				force_bonus = max(force_bonus, 15)
 		if(HIS_GRACE_FAMISHED to HIS_GRACE_STARVING)
-			item_flags |= NODROP
+			ADD_TRAIT(src, TRAIT_NODROP, HIS_GRACE_TRAIT)
 			if(HIS_GRACE_FAMISHED > prev_bloodthirst)
 				master.visible_message("<span class='warning'>[src] is very hungry!</span>", "<span class='his_grace big'>Spines sink into your hand. [src] must feed immediately.\
 				[force_bonus < 10 ? " His power grows.":""]</span>")
@@ -280,12 +280,19 @@
 	righthand_file = 'icons/mob/inhands/items_righthand.dmi'
 	name = "god hand"
 	desc = "This hand of yours glows with an awesome power!"
-	item_flags = ABSTRACT | NODROP | DROPDEL
+	item_flags = ABSTRACT | DROPDEL
 	w_class = WEIGHT_CLASS_HUGE
 	hitsound = 'sound/weapons/sear.ogg'
 	damtype = BURN
 	attack_verb = list("punched", "cross countered", "pummeled")

+
+/obj/item/nullrod/godhand/Initialize()
+	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, HAND_REPLACEMENT_TRAIT)
+
+
+
 /obj/item/nullrod/staff
 	icon_state = "godstaff-red"
 	item_state = "godstaff-red"
@@ -525,13 +532,14 @@
 	lefthand_file = 'icons/mob/inhands/weapons/chainsaw_lefthand.dmi'
 	righthand_file = 'icons/mob/inhands/weapons/chainsaw_righthand.dmi'
 	w_class = WEIGHT_CLASS_HUGE
-	item_flags = NODROP | ABSTRACT
+	item_flags = ABSTRACT
 	sharpness = IS_SHARP
 	attack_verb = list("sawed", "torn", "cut", "chopped", "diced")
 	hitsound = 'sound/weapons/chainsawhit.ogg'

 /obj/item/nullrod/chainsaw/Initialize()
 	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, HAND_REPLACEMENT_TRAIT)
 	AddComponent(/datum/component/butchering, 30, 100, 0, hitsound)

 /obj/item/nullrod/clown
@@ -601,12 +609,13 @@
 	item_state = "arm_blade"
 	lefthand_file = 'icons/mob/inhands/antag/changeling_lefthand.dmi'
 	righthand_file = 'icons/mob/inhands/antag/changeling_righthand.dmi'
-	item_flags = ABSTRACT | NODROP
+	item_flags = ABSTRACT
 	w_class = WEIGHT_CLASS_HUGE
 	sharpness = IS_SHARP

 /obj/item/nullrod/armblade/Initialize()
 	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, HAND_REPLACEMENT_TRAIT)
 	AddComponent(/datum/component/butchering, 80, 70)

 /obj/item/nullrod/armblade/tentacle
@@ -134,7 +134,7 @@
 		return
 	update_icon()
 	if(sticky)
-		item_flags |= NODROP
+		ADD_TRAIT(src, TRAIT_NODROP, HOT_POTATO_TRAIT)
 	name = "primed [name]"
 	activation_time = timer + world.time
 	detonation_timerid = addtimer(CALLBACK(src, .proc/detonate), delay, TIMER_STOPPABLE)
@@ -147,7 +147,7 @@
 /obj/item/hot_potato/proc/deactivate()
 	update_icon()
 	name = initial(name)
-	item_flags &= ~NODROP
+	REMOVE_TRAIT(src, TRAIT_NODROP, HOT_POTATO_TRAIT)
 	deltimer(detonation_timerid)
 	STOP_PROCESSING(SSfastprocess, src)
 	detonation_timerid = null
@@ -92,8 +92,7 @@
 /obj/item/melee/sabre/suicide_act(mob/living/user)
 	user.visible_message("<span class='suicide'>[user] is trying to cut off all [user.p_their()] limbs with [src]! it looks like [user.p_theyre()] trying to commit suicide!</span>")
 	var/i = 0
-	var/originally_nodropped = item_flags & NODROP
-	item_flags |= NODROP
+	ADD_TRAIT(src, TRAIT_NODROP, SABRE_SUICIDE_TRAIT)
 	if(iscarbon(user))
 		var/mob/living/carbon/Cuser = user
 		var/obj/item/bodypart/holding_bodypart = Cuser.get_holding_bodypart_of_item(src)
@@ -118,7 +117,7 @@
 		for(bodypart in limbs_to_dismember)
 			i++
 			addtimer(CALLBACK(src, .proc/suicide_dismember, user, bodypart), speedbase * i)
-	addtimer(CALLBACK(src, .proc/manual_suicide, user, originally_nodropped), (5 SECONDS) * i)
+	addtimer(CALLBACK(src, .proc/manual_suicide, user), (5 SECONDS) * i)
 	return MANUAL_SUICIDE

 /obj/item/melee/sabre/proc/suicide_dismember(mob/living/user, obj/item/bodypart/affecting)
@@ -131,8 +130,7 @@
 	if(!QDELETED(user))
 		user.adjustBruteLoss(200)
 		user.death(FALSE)
-	if(!originally_nodropped)
-		item_flags &= ~NODROP
+	REMOVE_TRAIT(src, TRAIT_NODROP, SABRE_SUICIDE_TRAIT)

 /obj/item/melee/classic_baton
 	name = "police baton"
@@ -249,8 +249,8 @@
 // Copied from /obj/item/melee/transforming/energy/sword/attackby
 /obj/item/toy/sword/attackby(obj/item/W, mob/living/user, params)
 	if(istype(W, /obj/item/toy/sword))
-		if((W.item_flags & NODROP) || (item_flags & NODROP))
-			to_chat(user, "<span class='warning'>\the [item_flags & NODROP ? src : W] is stuck to your hand, you can't attach it to \the [item_flags & NODROP ? W : src]!</span>")
+		if(HAS_TRAIT(W, TRAIT_NODROP) || HAS_TRAIT(src, TRAIT_NODROP))
+			to_chat(user, "<span class='warning'>\the [HAS_TRAIT(src, TRAIT_NODROP)  ? src : W] is stuck to your hand, you can't attach it to \the [HAS_TRAIT(src, TRAIT_NODROP) ? W : src]!</span>")
 			return
 		else
 			to_chat(user, "<span class='notice'>You attach the ends of the two plastic swords, making a single double-bladed toy! You're fake-cool.</span>")
@@ -81,7 +81,7 @@ for further reading, please see: https://github.com/tgstation/tgstation/pull/301
 /obj/item/claymore/highlander //ALL COMMENTS MADE REGARDING THIS SWORD MUST BE MADE IN ALL CAPS
 	desc = "<b><i>THERE CAN BE ONLY ONE, AND IT WILL BE YOU!!!</i></b>\nActivate it in your hand to point to the nearest victim."
 	flags_1 = CONDUCT_1
-	item_flags = NODROP | DROPDEL
+	item_flags = DROPDEL
 	slot_flags = null
 	block_chance = 0 //RNG WON'T HELP YOU NOW, PANSY
 	light_range = 3
@@ -91,6 +91,7 @@ for further reading, please see: https://github.com/tgstation/tgstation/pull/301

 /obj/item/claymore/highlander/Initialize()
 	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, HIGHLANDER)
 	START_PROCESSING(SSobj, src)

 /obj/item/claymore/highlander/Destroy()
@@ -225,7 +226,10 @@ for further reading, please see: https://github.com/tgstation/tgstation/pull/301

 /obj/item/katana/cursed
 	slot_flags = null
-	item_flags = NODROP
+
+/obj/item/katana/Initialize()
+	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, CURSED_ITEM_TRAIT)

 /obj/item/katana/suicide_act(mob/user)
 	user.visible_message("<span class='suicide'>[user] is slitting [user.p_their()] stomach open with [src]! It looks like [user.p_theyre()] trying to commit seppuku!</span>")
@@ -255,7 +259,7 @@ for further reading, please see: https://github.com/tgstation/tgstation/pull/301
 		user.put_in_hands(S)
 		to_chat(user, "<span class='notice'>You fasten the glass shard to the top of the rod with the cable.</span>")

-	else if(istype(I, /obj/item/assembly/igniter) && !(I.item_flags & NODROP))
+	else if(istype(I, /obj/item/assembly/igniter) && !HAS_TRAIT(I, TRAIT_NODROP))
 		var/obj/item/melee/baton/cattleprod/P = new /obj/item/melee/baton/cattleprod

 		remove_item_from_storage(user)
@@ -418,7 +422,7 @@ for further reading, please see: https://github.com/tgstation/tgstation/pull/301
 	item_state = "mounted_chainsaw"
 	lefthand_file = 'icons/mob/inhands/weapons/chainsaw_lefthand.dmi'
 	righthand_file = 'icons/mob/inhands/weapons/chainsaw_righthand.dmi'
-	item_flags = NODROP | ABSTRACT | DROPDEL
+	item_flags = ABSTRACT | DROPDEL
 	w_class = WEIGHT_CLASS_HUGE
 	force = 24
 	throwforce = 0
@@ -428,6 +432,10 @@ for further reading, please see: https://github.com/tgstation/tgstation/pull/301
 	attack_verb = list("sawed", "torn", "cut", "chopped", "diced")
 	hitsound = 'sound/weapons/chainsawhit.ogg'

+/obj/item/mounted_chainsaw/Initialize()
+	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, HAND_REPLACEMENT_TRAIT)
+
 /obj/item/mounted_chainsaw/Destroy()
 	var/obj/item/bodypart/part
 	new /obj/item/twohanded/required/chainsaw(get_turf(src))
@@ -147,47 +147,48 @@
 /obj/structure/closet/proc/insert(atom/movable/AM)
 	if(contents.len >= storage_capacity)
 		return -1
+	if(insertion_allowed(AM))
+		AM.forceMove(src)
+		return TRUE
+	else
+		return FALSE


+/obj/structure/closet/proc/insertion_allowed(atom/movable/AM)
 	if(ismob(AM))
 		if(!isliving(AM)) //let's not put ghosts or camera mobs inside closets...
-			return
+			return FALSE
 		var/mob/living/L = AM
 		if(L.anchored || L.buckled || L.incorporeal_move || L.has_buckled_mobs())
-			return
+			return FALSE
 		if(L.mob_size > MOB_SIZE_TINY) // Tiny mobs are treated as items.
 			if(horizontal && L.density)
-				return
+				return FALSE
 			if(L.mob_size > max_mob_size)
-				return
+				return FALSE
 			var/mobs_stored = 0
 			for(var/mob/living/M in contents)
 				if(++mobs_stored >= mob_storage_capacity)
-					return
+					return FALSE
 		L.stop_pulling()
+
 	else if(istype(AM, /obj/structure/closet))
-		return
+		return FALSE

 	else if(istype(AM, /obj/effect))
-		return
+		return FALSE

 	else if(isobj(AM))
-		if (istype(AM, /obj/item))
-			var/obj/item/I = AM
-			if (I.item_flags & NODROP)
-				return
+		if((!allow_dense && AM.density) || AM.anchored || AM.has_buckled_mobs())
+			return FALSE
+		if(isitem(AM) && !HAS_TRAIT(AM, TRAIT_NODROP))
+			return TRUE
 		else if(!allow_objects && !istype(AM, /obj/effect/dummy/chameleon))
-			return
-		if(!allow_dense && AM.density)
-			return
-		if(AM.anchored || AM.has_buckled_mobs())
-			return
+			return FALSE
 	else
-		return
+		return FALSE

-	AM.forceMove(src)
-
-	return 1
+	return TRUE

 /obj/structure/closet/proc/close(mob/living/user)
 	if(!opened || !can_close(user))
@@ -180,12 +180,13 @@
 	icon = 'icons/obj/items_and_weapons.dmi'
 	icon_state = "offhand"
 	w_class = WEIGHT_CLASS_HUGE
-	item_flags = ABSTRACT | NODROP | NOBLUDGEON | DROPDEL
+	item_flags = ABSTRACT | NOBLUDGEON | DROPDEL
 	resistance_flags = FIRE_PROOF | UNACIDABLE | ACID_PROOF
 	var/obj/machinery/manned_turret/turret

 /obj/item/gun_control/Initialize()
 	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, ABSTRACT_ITEM_TRAIT)
 	turret = loc
 	if(!istype(turret))
 		return INITIALIZE_HINT_QDEL
@@ -422,7 +422,7 @@
 						H.equip_to_slot_or_del(I, SLOT_W_UNIFORM)
 						qdel(olduniform)
 						if(droptype == "Yes")
-							I.item_flags |= NODROP
+							ADD_TRAIT(I, TRAIT_NODROP, ADMIN_TRAIT)
 				else
 					to_chat(H, "You're not kawaii enough for this.")

@@ -30,9 +30,12 @@
 	var/combat_armor = list("melee" = 50, "bullet" = 50, "laser" = 50, "energy" = 50, "bomb" = 50, "bio" = 50, "rad" = 50, "fire" = 90, "acid" = 90)

 /obj/item/clothing/suit/armor/abductor/vest/proc/toggle_nodrop()
-	item_flags ^= NODROP
+	if(HAS_TRAIT_FROM(src, TRAIT_NODROP, ABDUCTOR_VEST_TRAIT))
+		REMOVE_TRAIT(src, TRAIT_NODROP, ABDUCTOR_VEST_TRAIT)
+	else
+		ADD_TRAIT(src, TRAIT_NODROP, ABDUCTOR_VEST_TRAIT)
 	if(ismob(loc))
-		to_chat(loc, "<span class='notice'>Your vest is now [item_flags & NODROP ? "locked" : "unlocked"].</span>")
+		to_chat(loc, "<span class='notice'>Your vest is now [HAS_TRAIT_FROM(src, TRAIT_NODROP, ABDUCTOR_VEST_TRAIT) ? "locked" : "unlocked"].</span>")

 /obj/item/clothing/suit/armor/abductor/vest/proc/flip_mode()
 	switch(mode)
@@ -17,7 +17,7 @@
 		var/obj/item/clothing/suit/armor/abductor/vest/V = locate() in H
 		if(V)
 			console.AddVest(V)
-			V.item_flags |= NODROP
+			ADD_TRAIT(V, TRAIT_NODROP, ABDUCTOR_VEST_TRAIT)

 		var/obj/item/storage/backpack/B = locate() in H
 		if(B)
@@ -75,7 +75,7 @@

 		dat+="<br>"
 		dat += "<a href='?src=[REF(src)];select_disguise=1'>Select Agent Vest Disguise</a><br>"
-		dat += "<a href='?src=[REF(src)];toggle_vest=1'>[vest.item_flags & NODROP ? "Unlock" : "Lock"] Vest</a><br>"
+		dat += "<a href='?src=[REF(src)];toggle_vest=1'>[HAS_TRAIT_FROM(vest, TRAIT_NODROP, ABDUCTOR_VEST_TRAIT) ? "Unlock" : "Lock"] Vest</a><br>"
 	else
 		dat += "<span class='bad'>NO AGENT VEST DETECTED</span>"
 	var/datum/browser/popup = new(user, "computer", "Abductor Console", 400, 500)
@@ -155,7 +155,7 @@
 	item_state = "arm_blade"
 	lefthand_file = 'icons/mob/inhands/antag/changeling_lefthand.dmi'
 	righthand_file = 'icons/mob/inhands/antag/changeling_righthand.dmi'
-	item_flags = NEEDS_PERMIT | ABSTRACT | NODROP | DROPDEL
+	item_flags = NEEDS_PERMIT | ABSTRACT | DROPDEL
 	w_class = WEIGHT_CLASS_HUGE
 	force = 25
 	throwforce = 0 //Just to be on the safe side
@@ -169,6 +169,7 @@

 /obj/item/melee/arm_blade/Initialize(mapload,silent,synthetic)
 	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, CHANGELING_TRAIT)
 	if(ismob(loc) && !silent)
 		loc.visible_message("<span class='warning'>A grotesque blade forms around [loc.name]\'s arm!</span>", "<span class='warning'>Our arm twists and mutates, transforming it into a deadly blade.</span>", "<span class='italics'>You hear organic matter ripping and tearing!</span>")
 	if(synthetic)
@@ -242,7 +243,7 @@
 	item_state = "tentacle"
 	lefthand_file = 'icons/mob/inhands/antag/changeling_lefthand.dmi'
 	righthand_file = 'icons/mob/inhands/antag/changeling_righthand.dmi'
-	item_flags = NEEDS_PERMIT | ABSTRACT | NODROP | DROPDEL | NOBLUDGEON
+	item_flags = NEEDS_PERMIT | ABSTRACT | DROPDEL | NOBLUDGEON
 	flags_1 = NONE
 	w_class = WEIGHT_CLASS_HUGE
 	ammo_type = /obj/item/ammo_casing/magic/tentacle
@@ -256,6 +257,7 @@

 /obj/item/gun/magic/tentacle/Initialize(mapload, silent)
 	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, CHANGELING_TRAIT)
 	if(ismob(loc))
 		if(!silent)
 			loc.visible_message("<span class='warning'>[loc.name]\'s arm starts stretching inhumanly!</span>", "<span class='warning'>Our arm twists and mutates, transforming it into a tentacle.</span>", "<span class='italics'>You hear organic matter ripping and tearing!</span>")
@@ -427,7 +429,7 @@
 /obj/item/shield/changeling
 	name = "shield-like mass"
 	desc = "A mass of tough, boney tissue. You can still see the fingers as a twisted pattern in the shield."
-	item_flags = ABSTRACT | NODROP | DROPDEL
+	item_flags = ABSTRACT | DROPDEL
 	icon = 'icons/obj/items_and_weapons.dmi'
 	icon_state = "ling_shield"
 	lefthand_file = 'icons/mob/inhands/antag/changeling_lefthand.dmi'
@@ -438,6 +440,7 @@

 /obj/item/shield/changeling/Initialize()
 	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, CHANGELING_TRAIT)
 	if(ismob(loc))
 		loc.visible_message("<span class='warning'>The end of [loc.name]\'s hand inflates rapidly, forming a huge shield-like mass!</span>", "<span class='warning'>We inflate our hand into a strong shield.</span>", "<span class='italics'>You hear organic matter ripping and tearing!</span>")

@@ -479,13 +482,14 @@
 	name = "flesh mass"
 	icon_state = "lingspacesuit"
 	desc = "A huge, bulky mass of pressure and temperature-resistant organic tissue, evolved to facilitate space travel."
-	item_flags = NODROP | DROPDEL
+	item_flags = DROPDEL
 	clothing_flags = STOPSPRESSUREDAMAGE //Not THICKMATERIAL because it's organic tissue, so if somebody tries to inject something into it, it still ends up in your blood. (also balance but muh fluff)
 	allowed = list(/obj/item/flashlight, /obj/item/tank/internals/emergency_oxygen, /obj/item/tank/internals/oxygen)
 	armor = list("melee" = 0, "bullet" = 0, "laser" = 0,"energy" = 0, "bomb" = 0, "bio" = 0, "rad" = 0, "fire" = 90, "acid" = 90) //No armor at all.

 /obj/item/clothing/suit/space/changeling/Initialize()
 	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, CHANGELING_TRAIT)
 	if(ismob(loc))
 		loc.visible_message("<span class='warning'>[loc.name]\'s flesh rapidly inflates, forming a bloated mass around [loc.p_their()] body!</span>", "<span class='warning'>We inflate our flesh, creating a spaceproof suit!</span>", "<span class='italics'>You hear organic matter ripping and tearing!</span>")
 	START_PROCESSING(SSobj, src)
@@ -499,11 +503,15 @@
 	name = "flesh mass"
 	icon_state = "lingspacehelmet"
 	desc = "A covering of pressure and temperature-resistant organic tissue with a glass-like chitin front."
-	item_flags = NODROP | DROPDEL
+	item_flags = DROPDEL
 	clothing_flags = STOPSPRESSUREDAMAGE
 	armor = list("melee" = 0, "bullet" = 0, "laser" = 0,"energy" = 0, "bomb" = 0, "bio" = 0, "rad" = 0, "fire" = 90, "acid" = 90)
 	flags_cover = HEADCOVERSEYES | HEADCOVERSMOUTH

+/obj/item/clothing/head/helmet/space/changeling/Initialize()
+	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, CHANGELING_TRAIT)
+
 /***************************************\
 |*****************ARMOR*****************|
 \***************************************/
@@ -529,7 +537,7 @@
 	name = "chitinous mass"
 	desc = "A tough, hard covering of black chitin."
 	icon_state = "lingarmor"
-	item_flags = NODROP | DROPDEL
+	item_flags = DROPDEL
 	body_parts_covered = CHEST|GROIN|LEGS|FEET|ARMS|HANDS
 	armor = list("melee" = 40, "bullet" = 40, "laser" = 40, "energy" = 20, "bomb" = 10, "bio" = 4, "rad" = 0, "fire" = 90, "acid" = 90)
 	flags_inv = HIDEJUMPSUIT
@@ -538,6 +546,7 @@

 /obj/item/clothing/suit/armor/changeling/Initialize()
 	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, CHANGELING_TRAIT)
 	if(ismob(loc))
 		loc.visible_message("<span class='warning'>[loc.name]\'s flesh turns black, quickly transforming into a hard, chitinous mass!</span>", "<span class='warning'>We harden our flesh, creating a suit of armor!</span>", "<span class='italics'>You hear organic matter ripping and tearing!</span>")

@@ -545,6 +554,10 @@
 	name = "chitinous mass"
 	desc = "A tough, hard covering of black chitin with transparent chitin in front."
 	icon_state = "lingarmorhelmet"
-	item_flags = NODROP | DROPDEL
+	item_flags = DROPDEL
 	armor = list("melee" = 40, "bullet" = 40, "laser" = 40, "energy" = 20, "bomb" = 10, "bio" = 4, "rad" = 0, "fire" = 90, "acid" = 90)
 	flags_inv = HIDEEARS|HIDEHAIR|HIDEEYES|HIDEFACIALHAIR|HIDEFACE
+
+/obj/item/clothing/head/helmet/changeling/Initialize()
+	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, CHANGELING_TRAIT)
@@ -11,7 +11,11 @@

 /obj/item/clothing/glasses/changeling
 	name = "flesh"
-	item_flags = NODROP
+
+/obj/item/clothing/glasses/changeling/Initialize()
+	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, CHANGELING_TRAIT)
+

 //ATTACK HAND IGNORING PARENT RETURN VALUE
 /obj/item/clothing/glasses/changeling/attack_hand(mob/user)
@@ -23,7 +27,11 @@

 /obj/item/clothing/under/changeling
 	name = "flesh"
-	item_flags = NODROP
+
+/obj/item/clothing/under/changeling/Initialize()
+	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, CHANGELING_TRAIT)
+

 //ATTACK HAND IGNORING PARENT RETURN VALUE
 /obj/item/clothing/under/changeling/attack_hand(mob/user)
@@ -35,9 +43,13 @@

 /obj/item/clothing/suit/changeling
 	name = "flesh"
-	item_flags = NODROP
 	allowed = list(/obj/item/changeling)

+/obj/item/clothing/suit/changeling/Initialize()
+	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, CHANGELING_TRAIT)
+
+
 //ATTACK HAND IGNORING PARENT RETURN VALUE
 /obj/item/clothing/suit/changeling/attack_hand(mob/user)
 	if(loc == user && user.mind && user.mind.has_antag_datum(/datum/antagonist/changeling))
@@ -48,7 +60,10 @@

 /obj/item/clothing/head/changeling
 	name = "flesh"
-	item_flags = NODROP
+
+/obj/item/clothing/head/changeling/Initialize()
+	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, CHANGELING_TRAIT)

 //ATTACK HAND IGNORING PARENT RETURN VALUE
 /obj/item/clothing/head/changeling/attack_hand(mob/user)
@@ -60,7 +75,11 @@

 /obj/item/clothing/shoes/changeling
 	name = "flesh"
-	item_flags = NODROP
+
+/obj/item/clothing/shoes/changeling/Initialize()
+	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, CHANGELING_TRAIT)
+

 //ATTACK HAND IGNORING PARENT RETURN VALUE
 /obj/item/clothing/shoes/changeling/attack_hand(mob/user)
@@ -72,7 +91,11 @@

 /obj/item/clothing/gloves/changeling
 	name = "flesh"
-	item_flags = NODROP
+
+/obj/item/clothing/gloves/changeling/Initialize()
+	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, CHANGELING_TRAIT)
+

 //ATTACK HAND IGNORING PARENT RETURN VALUE
 /obj/item/clothing/gloves/changeling/attack_hand(mob/user)
@@ -84,7 +107,11 @@

 /obj/item/clothing/mask/changeling
 	name = "flesh"
-	item_flags = NODROP
+
+/obj/item/clothing/mask/changeling/Initialize()
+	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, CHANGELING_TRAIT)
+

 //ATTACK HAND IGNORING PARENT RETURN VALUE
 /obj/item/clothing/mask/changeling/attack_hand(mob/user)
@@ -96,10 +123,14 @@

 /obj/item/changeling
 	name = "flesh"
-	item_flags = NODROP
 	slot_flags = ALL
 	allowed = list(/obj/item/changeling)

+/obj/item/changeling/Initialize()
+	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, CHANGELING_TRAIT)
+
+
 //ATTACK HAND IGNORING PARENT RETURN VALUE
 /obj/item/changeling/attack_hand(mob/user)
 	if(loc == user && user.mind && user.mind.has_antag_datum(/datum/antagonist/changeling))
@@ -339,7 +339,7 @@
 	icon = 'icons/obj/items_and_weapons.dmi'
 	icon_state = "disintegrate"
 	item_state = null
-	item_flags = NEEDS_PERMIT | ABSTRACT | NODROP | DROPDEL
+	item_flags = NEEDS_PERMIT | ABSTRACT | DROPDEL

 	w_class = WEIGHT_CLASS_HUGE
 	throwforce = 0
@@ -350,11 +350,13 @@
 	var/health_cost = 0 //The amount of health taken from the user when invoking the spell
 	var/datum/action/innate/cult/blood_spell/source

-/obj/item/melee/blood_magic/New(loc, spell)
+/obj/item/melee/blood_magic/Initialize(mapload, spell)
+	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, CULT_TRAIT)
 	source = spell
 	uses = source.charges
 	health_cost = source.health_cost
-	..()
+

 /obj/item/melee/blood_magic/Destroy()
 	if(!QDELETED(source))
@@ -64,9 +64,14 @@
 /obj/item/melee/cultblade/ghost
 	name = "eldritch sword"
 	force = 19 //can't break normal airlocks
-	item_flags = NEEDS_PERMIT | NODROP | DROPDEL
+	item_flags = NEEDS_PERMIT | DROPDEL
 	flags_1 = NONE

+/obj/item/melee/cultblade/ghost/Initialize()
+	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, CULT_TRAIT)
+
+
 /obj/item/melee/cultblade/pickup(mob/living/user)
 	..()
 	if(!iscultist(user))
@@ -298,7 +303,12 @@
 	item_state = "cult_hoodalt"

 /obj/item/clothing/head/culthood/alt/ghost
-	item_flags = NODROP | DROPDEL
+	item_flags = DROPDEL
+
+/obj/item/clothing/head/culthood/alt/ghost/Initialize()
+	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, CULT_TRAIT)
+

 /obj/item/clothing/suit/cultrobes/alt
 	name = "cultist robes"
@@ -307,7 +317,11 @@
 	item_state = "cultrobesalt"

 /obj/item/clothing/suit/cultrobes/alt/ghost
-	item_flags = NODROP | DROPDEL
+	item_flags = DROPDEL
+
+/obj/item/clothing/suit/cultrobes/alt/ghost/Initialize()
+	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, CULT_TRAIT)

 /obj/item/clothing/head/magus
 	name = "magus helm"
@@ -796,7 +810,7 @@
 	icon = 'icons/obj/items_and_weapons.dmi'
 	icon_state = "disintegrate"
 	item_state = null
-	item_flags = ABSTRACT | NODROP | DROPDEL
+	item_flags = ABSTRACT | DROPDEL
 	w_class = WEIGHT_CLASS_HUGE
 	throwforce = 0
 	throw_range = 0
@@ -805,6 +819,9 @@
 	var/firing = FALSE
 	var/angle

+/obj/item/blood_beam/Initialize()
+	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, CULT_TRAIT)

 /obj/item/blood_beam/afterattack(atom/A, mob/living/user, flag, params)
 	. = ..()
@@ -60,7 +60,7 @@
 	W.access += get_all_centcom_access()
 	W.assignment = "Highlander"
 	W.registered_name = H.real_name
-	W.item_flags |= NODROP
+	ADD_TRAIT(W, TRAIT_NODROP, HIGHLANDER)
 	W.update_label(H.real_name)
 	H.equip_to_slot_or_del(W, SLOT_WEAR_ID)

@@ -65,9 +65,13 @@
 /obj/item/pinpointer/syndicate_cyborg // Cyborg pinpointers just look for a random operative.
 	name = "cyborg syndicate pinpointer"
 	desc = "An integrated tracking device, jury-rigged to search for living Syndicate operatives."
-	item_flags = NODROP
 	flags_1 = NONE

+
+/obj/item/pinpointer/syndicate_cyborg/Initialize()
+	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, CYBORG_ITEM_TRAIT)
+
 /obj/item/pinpointer/syndicate_cyborg/scan_for_target()
 	target = null
 	var/list/possible_targets = list()
@@ -497,14 +497,14 @@
 	W.registered_name = H.real_name
 	W.update_label(W.registered_name, W.assignment)

-	// The shielded hardsuit is already NODROP
+	// The shielded hardsuit is already TRAIT_NODROP
 	no_drops += H.get_item_by_slot(SLOT_GLOVES)
 	no_drops += H.get_item_by_slot(SLOT_SHOES)
 	no_drops += H.get_item_by_slot(SLOT_W_UNIFORM)
 	no_drops += H.get_item_by_slot(SLOT_EARS)
 	for(var/i in no_drops)
 		var/obj/item/I = i
-		I.item_flags |= NODROP
+		ADD_TRAIT(I, TRAIT_NODROP, CAPTURE_THE_FLAG_TRAIT)

 /datum/outfit/ctf/instagib
 	r_hand = /obj/item/gun/energy/laser/instakill
@@ -60,7 +60,7 @@
 		to_chat(owner, "<span class='warning'>You shouldn't be able to toggle a camogear helmetmask if you're not wearing it</span>")
 	if(new_headgear)
 		// Force drop the item in the headslot, even though
-		// it's NODROP_1
+		// it's TRAIT_NODROP
 		D.dropItemToGround(target, TRUE)
 		qdel(old_headgear)
 		// where is `SLOT_HEAD` defined? WHO KNOWS
@@ -418,12 +418,12 @@
 /obj/item/clothing/head/chameleon/drone
 	// The camohat, I mean, holographic hat projection, is part of the
 	// drone itself.
-	item_flags = NODROP
 	armor = list("melee" = 0, "bullet" = 0, "laser" = 0, "energy" = 0, "bomb" = 0, "bio" = 0, "rad" = 0, "fire" = 0, "acid" = 0)
 	// which means it offers no protection, it's just air and light

 /obj/item/clothing/head/chameleon/drone/Initialize()
 	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, ABSTRACT_ITEM_TRAIT)
 	chameleon_action.random_look()
 	var/datum/action/item_action/chameleon/drone/togglehatmask/togglehatmask_action = new(src)
 	togglehatmask_action.UpdateButtonIcon()
@@ -472,13 +472,13 @@

 /obj/item/clothing/mask/chameleon/drone
 	//Same as the drone chameleon hat, undroppable and no protection
-	item_flags = NODROP
 	armor = list("melee" = 0, "bullet" = 0, "laser" = 0, "energy" = 0, "bomb" = 0, "bio" = 0, "rad" = 0, "fire" = 0, "acid" = 0)
 	// Can drones use the voice changer part? Let's not find out.
 	vchange = 0

 /obj/item/clothing/mask/chameleon/drone/Initialize()
 	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, ABSTRACT_ITEM_TRAIT)
 	chameleon_action.random_look()
 	var/datum/action/item_action/chameleon/drone/togglehatmask/togglehatmask_action = new(src)
 	togglehatmask_action.UpdateButtonIcon()
@@ -43,6 +43,8 @@

 /obj/item/clothing/Initialize()
 	. = ..()
+	if(CHECK_BITFIELD(clothing_flags, VOICEBOX_TOGGLABLE))
+		actions_types += /datum/action/item_action/toggle_voice_box
 	if(ispath(pocket_storage_component_path))
 		LoadComponent(pocket_storage_component_path)

@@ -378,10 +378,13 @@
 	vision_flags = SEE_TURFS|SEE_MOBS|SEE_OBJS
 	darkness_view = 8
 	scan_reagents = TRUE
-	item_flags = NODROP
 	lighting_alpha = LIGHTING_PLANE_ALPHA_MOSTLY_INVISIBLE
 	resistance_flags = LAVA_PROOF | FIRE_PROOF

+/obj/item/clothing/glasses/godeye/Initialize()
+	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, EYE_OF_GOD_TRAIT)
+
 /obj/item/clothing/glasses/godeye/attackby(obj/item/W as obj, mob/user as mob, params)
 	if(istype(W, src) && W != src && W.loc == user)
 		if(W.icon_state == "godeye")
@@ -121,9 +121,12 @@

 /obj/item/clothing/head/beret/highlander
 	desc = "That was white fabric. <i>Was.</i>"
-	item_flags = NODROP
 	dog_fashion = null //THIS IS FOR SLAUGHTER, NOT PUPPIES

+/obj/item/clothing/head/beret/highlander/Initialize()
+	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, HIGHLANDER)
+
 //Security

 /obj/item/clothing/head/HoS
@@ -221,9 +221,12 @@
 	icon_state = "shamebrero"
 	item_state = "shamebrero"
 	desc = "Once it's on, it never comes off."
-	item_flags = NODROP
 	dog_fashion = null

+/obj/item/clothing/head/sombrero/shamebrero/Initialize()
+	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, SHAMEBRERO_TRAIT)
+
 /obj/item/clothing/head/cone
 	desc = "This cone is trying to warn you of something!"
 	name = "warning cone"
@@ -75,7 +75,7 @@

 /obj/item/clothing/mask/pig
 	name = "pig mask"
-	desc = "A rubber pig mask."
+	desc = "A rubber pig mask with a builtin voice modulator."
 	icon_state = "pig"
 	item_state = "pig"
 	flags_inv = HIDEFACE|HIDEHAIR|HIDEFACIALHAIR
@@ -92,7 +92,11 @@
 	desc = "It looks like a mask, but closer inspection reveals it's melded onto this persons face!" //It's only ever going to be attached to your face.
 	flags_inv = HIDEFACIALHAIR
 	clothing_flags = NONE
-	item_flags = NODROP
+
+/obj/item/clothing/mask/pig/cursed/Initialize()
+	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, CURSED_MASK_TRAIT)
+	playsound(get_turf(src), 'sound/magic/pighead_curse.ogg', 50, 1)

 ///frog mask - reeee!!
 /obj/item/clothing/mask/frog
@@ -114,16 +118,19 @@

 /obj/item/clothing/mask/frog/cursed
 	clothing_flags = NONE
-	item_flags = NODROP //reee!!
+
+/obj/item/clothing/mask/frog/cursed/Initialize()
+	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, CURSED_MASK_TRAIT)

 /obj/item/clothing/mask/frog/cursed/equipped(mob/user, slot)
 	var/mob/living/carbon/C = user
-	if(C.wear_mask == src)
-		to_chat(user, "<span class='warning'><B>[src] was cursed! Ree!!</B></span>")
+	if(C.wear_mask == src && HAS_TRAIT_FROM(src, TRAIT_NODROP, CURSED_ITEM_TRAIT))
+		to_chat(user, "<span class='userdanger'><B>[src] was cursed! Ree!!</B></span>")
 	return ..()

 /obj/item/clothing/mask/cowmask
-	name = "Cow mask"
+	name = "Cow mask with a builtin voice modulator."
 	desc = "A rubber cow mask,"
 	icon = 'icons/mob/mask.dmi'
 	icon_state = "cowmask"
@@ -137,12 +144,17 @@
 	if(!CHECK_BITFIELD(clothing_flags, VOICEBOX_DISABLED))
 		speech_args[SPEECH_MESSAGE] = pick("Moooooooo!","Moo!","Moooo!")

+
 /obj/item/clothing/mask/cowmask/cursed
 	name = "cow face"
 	desc = "It looks like a cow mask, but closer inspection reveals it's melded onto this persons face!"
 	flags_inv = HIDEFACIALHAIR
 	clothing_flags = NONE
-	item_flags = NODROP
+
+/obj/item/clothing/mask/cowmask/cursed/Initialize()
+	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, CURSED_MASK_TRAIT)
+	playsound(get_turf(src), 'sound/magic/cowhead_curse.ogg', 50, 1)

 /obj/item/clothing/mask/horsehead
 	name = "horse head mask"
@@ -157,12 +169,17 @@
 	if(!CHECK_BITFIELD(clothing_flags, VOICEBOX_DISABLED))
 		speech_args[SPEECH_MESSAGE] = pick("NEEIIGGGHHHH!", "NEEEIIIIGHH!", "NEIIIGGHH!", "HAAWWWWW!", "HAAAWWW!")

+
 /obj/item/clothing/mask/horsehead/cursed
 	name = "horse face"
 	desc = "It initially looks like a mask, but it's melded into the poor person's face."
 	clothing_flags = NONE
 	flags_inv = HIDEFACIALHAIR
-	item_flags = NODROP
+
+/obj/item/clothing/mask/horsehead/cursed/Initialize()
+	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, CURSED_MASK_TRAIT)
+	playsound(get_turf(src), 'sound/magic/horsehead_curse.ogg', 50, 1)

 /obj/item/clothing/mask/rat
 	name = "rat mask"
@@ -157,7 +157,11 @@
 	icon_state = "cultalt"

 /obj/item/clothing/shoes/cult/alt/ghost
-	item_flags = NODROP | DROPDEL
+	item_flags = DROPDEL
+
+/obj/item/clothing/shoes/cult/alt/ghost/Initialize()
+	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, CULT_TRAIT)

 /obj/item/clothing/shoes/cyborg
 	name = "cyborg boots"
@@ -27,7 +27,6 @@
 	armor = list("melee" = 60, "bullet" = 60, "laser" = 60, "energy" = 60, "bomb" = 30, "bio" = 90, "rad" = 90, "fire" = 100, "acid" = 1000)
 	resistance_flags = FIRE_PROOF | ACID_PROOF
 	var/list/chronosafe_items = list(/obj/item/chrono_eraser, /obj/item/gun/energy/chrono_gun)
-	var/list/hands_nodrop = list()
 	var/obj/item/clothing/head/helmet/space/chronos/helmet = null
 	var/obj/effect/chronos_cam/camera = null
 	var/datum/action/innate/chrono_teleport/teleport_now = new
@@ -97,8 +96,7 @@
 		user.anchored = FALSE
 		teleporting = 0
 		for(var/obj/item/I in user.held_items)
-			if(I in hands_nodrop)
-				I.item_flags &= ~NODROP
+			REMOVE_TRAIT(I, TRAIT_NODROP, CHRONOSUIT_TRAIT)
 		if(camera)
 			camera.remove_target_ui()
 			camera.forceMove(user)
@@ -131,11 +129,8 @@

 		user.ExtinguishMob()

-		hands_nodrop = list()
 		for(var/obj/item/I in user.held_items)
-			if(!(I.item_flags & NODROP))
-				hands_nodrop += I
-				I.item_flags |= NODROP
+			ADD_TRAIT(I, TRAIT_NODROP, CHRONOSUIT_TRAIT)
 		user.animate_movement = NO_STEPS
 		user.changeNext_move(8 + phase_in_ds)
 		user.notransform = 1
@@ -194,9 +189,9 @@
 			if(user.head && istype(user.head, /obj/item/clothing/head/helmet/space/chronos))
 				to_chat(user, "\[ <span style='color: #00ff00;'>ok</span> \] Mounting /dev/helm")
 				helmet = user.head
-				helmet.item_flags |= NODROP
+				ADD_TRAIT(helmet, TRAIT_NODROP, CHRONOSUIT_TRAIT)
 				helmet.suit = src
-				src.item_flags |= NODROP
+				ADD_TRAIT(src, TRAIT_NODROP, CHRONOSUIT_TRAIT)
 				to_chat(user, "\[ <span style='color: #00ff00;'>ok</span> \] Starting brainwave scanner")
 				to_chat(user, "\[ <span style='color: #00ff00;'>ok</span> \] Starting ui display driver")
 				to_chat(user, "\[ <span style='color: #00ff00;'>ok</span> \] Initializing chronowalk4-view")
@@ -215,7 +210,7 @@
 		activating = 1
 		var/mob/living/carbon/human/user = src.loc
 		var/hard_landing = teleporting && force
-		item_flags &= ~NODROP
+		REMOVE_TRAIT(src, TRAIT_NODROP, CHRONOSUIT_TRAIT)
 		cooldown = world.time + cooldowntime * 1.5
 		activated = 0
 		activating = 0
@@ -236,7 +231,7 @@
 						to_chat(user, "\[ <span style='color: #ff5500;'>ok</span> \] Unmounting /dev/helmet")
 					to_chat(user, "logout")
 		if(helmet)
-			helmet.item_flags &= ~NODROP
+			REMOVE_TRAIT(helmet, TRAIT_NODROP, CHRONOSUIT_TRAIT)
 			helmet.suit = null
 			helmet = null
 		if(camera)
@@ -897,7 +897,7 @@
 			usermessage("You're already wearing something on your back!", "boldwarning")
 			return FALSE
 		user.equip_to_slot_if_possible(pack,SLOT_BACK,0,0,1)
-		pack.item_flags |= NODROP
+		ADD_TRAIT(pack, TRAIT_NODROP, FLIGHTSUIT_TRAIT)
 		resync()
 		user.visible_message("<span class='notice'>A [pack.name] extends from [user]'s [name] and clamps to [user.p_their()] back!</span>")
 		user.update_inv_wear_suit()
@@ -911,7 +911,7 @@
 			return FALSE
 		if(pack.flight && forced)
 			pack.disable_flight(1)
-		pack.item_flags &= ~NODROP
+		REMOVE_TRAIT_FROM(pack, TRAIT_NODROP, FLIGHTSUIT_TRAIT)
 		resync()
 		if(user)
 			user.transferItemToLoc(pack, src, TRUE)
@@ -935,14 +935,14 @@
 			usermessage("You're already wearing something on your feet!", "boldwarning")
 			return FALSE
 		user.equip_to_slot_if_possible(shoes,SLOT_SHOES,0,0,1)
-		shoes.item_flags |= NODROP
+		ADD_TRAIT(shoes, TRAIT_NODROP, FLIGHTSUIT_TRAIT)
 		user.visible_message("<span class='notice'>[user]'s [name] extends a pair of [shoes.name] over [user.p_their()] feet!</span>")
 		user.update_inv_wear_suit()
 	playsound(src.loc, 'sound/mecha/mechmove03.ogg', 50, 1)
 	deployedshoes = TRUE

 /obj/item/clothing/suit/space/hardsuit/flightsuit/proc/retract_flightshoes(forced = FALSE)
-	shoes.item_flags &= ~NODROP
+	REMOVE_TRAIT_FROM(shoes, TRAIT_NODROP, FLIGHTSUIT_TRAIT)
 	playsound(src, 'sound/mecha/mechmove03.ogg', 50, 1)
 	if(user)
 		user.transferItemToLoc(shoes, src, TRUE)
@@ -766,12 +766,15 @@
 	icon_state = "ert_medical"
 	item_state = "ert_medical"
 	item_color = "ert_medical"
-	item_flags = NODROP //Dont want people changing into the other teams gear
 	helmettype = /obj/item/clothing/head/helmet/space/hardsuit/shielded/ctf
 	armor = list("melee" = 0, "bullet" = 30, "laser" = 30, "energy" = 30, "bomb" = 50, "bio" = 100, "rad" = 100, "fire" = 95, "acid" = 95)
 	slowdown = 0
 	max_charges = 5

+/obj/item/clothing/suit/space/hardsuit/shielded/ctf/Initialize()
+	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, CAPTURE_THE_FLAG_TRAIT)
+
 /obj/item/clothing/suit/space/hardsuit/shielded/ctf/red
 	name = "red shielded hardsuit"
 	icon_state = "ert_security"
@@ -171,10 +171,13 @@ Contains:
 	item_color = "ert_commander"
 	armor = list("melee" = 65, "bullet" = 50, "laser" = 50, "energy" = 50, "bomb" = 50, "bio" = 100, "rad" = 100, "fire" = 80, "acid" = 80)
 	strip_delay = 130
-	item_flags = NODROP
 	brightness_on = 7
 	resistance_flags = ACID_PROOF

+/obj/item/clothing/head/helmet/space/hardsuit/ert/Initialize()
+	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, LOCKED_HELMET_TRAIT)
+
 /obj/item/clothing/suit/space/hardsuit/ert
 	name = "emergency response team suit"
 	desc = "Standard issue command suit for the ERT."
@@ -237,8 +240,6 @@ Contains:
 	item_state = "hardsuit0-ert_commander-alert"
 	item_color = "ert_commander-alert"
 	armor = list("melee" = 70, "bullet" = 55, "laser" = 50, "energy" = 50, "bomb" = 65, "bio" = 100, "rad" = 100, "fire" = 100, "acid" = 100)
-	strip_delay = 130
-	item_flags = NODROP
 	brightness_on = 8
 	resistance_flags = FIRE_PROOF | ACID_PROOF

@@ -248,11 +249,8 @@ Contains:
 	icon_state = "ert_command-alert"
 	item_state = "ert_command-alert"
 	helmettype = /obj/item/clothing/head/helmet/space/hardsuit/ert/alert
-	allowed = list(/obj/item/gun, /obj/item/ammo_box, /obj/item/ammo_casing, /obj/item/melee/baton, /obj/item/restraints/handcuffs, /obj/item/tank/internals)
 	armor = list("melee" = 70, "bullet" = 55, "laser" = 50, "energy" = 50, "bomb" = 65, "bio" = 100, "rad" = 100, "fire" = 100, "acid" = 100)
-	strip_delay = 130
 	resistance_flags = FIRE_PROOF | ACID_PROOF
-	tauric = TRUE		//Citadel Add for tauric hardsuits

 	//ERT Security
 /obj/item/clothing/head/helmet/space/hardsuit/ert/alert/sec
@@ -342,9 +340,13 @@ Contains:
 	armor = list("melee" = -20, "bullet" = 0, "laser" = 0, "energy" = 0, "bomb" = 0, "bio" = 100, "rad" = 75, "fire" = 60, "acid" = 75)	//As whimpy as a space carp
 	brightness_on = 0 //luminosity when on
 	actions_types = list()
-	item_flags = NODROP
 	mutantrace_variation = NO_MUTANTRACE_VARIATION

+/obj/item/clothing/head/helmet/space/hardsuit/carp/Initialize()
+	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, LOCKED_HELMET_TRAIT)
+
+
 /obj/item/clothing/suit/space/hardsuit/carp
 	name = "carp space suit"
 	desc = "A slimming piece of dubious space carp technology, you suspect it won't stand up to hand-to-hand blows."
@@ -15,7 +15,6 @@
 	icon_state = "golhood"
 	desc = "A hood for a cloak."
 	body_parts_covered = HEAD
-	item_flags = NODROP
 	flags_inv = HIDEHAIR|HIDEEARS

 /obj/item/clothing/neck/cloak/suicide_act(mob/user)
@@ -237,7 +237,10 @@
 	desc = "Forced to live on your shameful acting as a fake Mexican, you and your poncho have grown inseparable. Literally."
 	icon_state = "ponchoshame"
 	item_state = "ponchoshame"
-	item_flags = NODROP
+
+/obj/item/clothing/suit/poncho/ponchoshame/Initialize()
+	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, SHAMEBRERO_TRAIT)

 /obj/item/clothing/suit/whitedress
 	name = "white dress"
@@ -22,7 +22,11 @@
 	resistance_flags = NONE

 /obj/item/clothing/under/color/black/ghost
-	item_flags = NODROP | DROPDEL
+	item_flags = DROPDEL
+
+/obj/item/clothing/under/color/black/ghost/Initialize()
+	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, CULT_TRAIT)

 /obj/item/clothing/under/color/grey
 	name = "grey jumpsuit"
@@ -388,7 +388,10 @@

 /obj/item/clothing/under/kilt/highlander
 	desc = "You're the only one worthy of this kilt."
-	item_flags = NODROP
+
+/obj/item/clothing/under/kilt/highlander/Initialize()
+	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, HIGHLANDER)

 /obj/item/clothing/under/sexymime
 	name = "sexy mime outfit"
@@ -50,7 +50,8 @@
 				var/obj/item/I = new J //dumb but required because of byond throwing a fit anytime new gets too close to a list
 				H.dropItemToGround(H.get_item_by_slot(i), TRUE)
 				H.equip_to_slot_or_del(I, i)
-				I.item_flags |= NODROP | DROPDEL
+				ADD_TRAIT(I, TRAIT_NODROP, CURSED_ITEM_TRAIT)
+				I.item_flags |= DROPDEL
 				I.name = "cursed " + I.name

 	for(var/mob/living/carbon/human/H in GLOB.alive_mob_list)
@@ -94,7 +94,7 @@ God bless America.
 	else if(default_deconstruction_screwdriver(user, "fryer_off", "fryer_off" ,I))	//where's the open maint panel icon?!
 		return
 	else
-		if(is_type_in_typecache(I, deepfry_blacklisted_items) || (I.item_flags & (ABSTRACT | NODROP | DROPDEL)))
+		if(is_type_in_typecache(I, deepfry_blacklisted_items) || HAS_TRAIT(I, TRAIT_NODROP) || (I.item_flags & (ABSTRACT | DROPDEL)))
 			return ..()
 		else if(!frying && user.transferItemToLoc(I, src))
 			to_chat(user, "<span class='notice'>You put [I] into [src].</span>")
@@ -78,7 +78,7 @@

 		if(!ignore_clothing)
 			for(var/obj/item/I in C.held_items + C.get_equipped_items())
-				if(!(I.item_flags & NODROP))
+				if(!HAS_TRAIT(I, TRAIT_NODROP))
 					to_chat(user, "<span class='danger'>Subject may not have abiotic items on.</span>")
 					return

@@ -65,9 +65,12 @@
 /obj/item/pickaxe/drill/cyborg
 	name = "cyborg mining drill"
 	desc = "An integrated electric mining drill."
-	item_flags = NODROP
 	flags_1 = NONE

+/obj/item/pickaxe/drill/cyborg/Initialize()
+	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, CYBORG_ITEM_TRAIT)
+
 /obj/item/pickaxe/drill/diamonddrill
 	name = "diamond-tipped mining drill"
 	icon_state = "diamonddrill"
@@ -143,7 +143,7 @@

 //Rod of Asclepius
 /obj/item/rod_of_asclepius
-	name = "Rod of Asclepius"
+	name = "\improper Rod of Asclepius"
 	desc = "A wooden rod about the size of your forearm with a snake carved around it, winding it's way up the sides of the rod. Something about it seems to inspire in you the responsibilty and duty to help others."
 	icon = 'icons/obj/lavaland/artefacts.dmi'
 	icon_state = "asclepius_dormant"
@@ -189,7 +189,8 @@
 	activated()

 /obj/item/rod_of_asclepius/proc/activated()
-	item_flags = NODROP | DROPDEL
+	item_flags = DROPDEL
+	ADD_TRAIT(src, TRAIT_NODROP, CURSED_ITEM_TRAIT)
 	desc = "A short wooden rod with a mystical snake inseparably gripping itself and the rod to your forearm. It flows with a healing energy that disperses amongst yourself and those around you. "
 	icon_state = "asclepius_active"
 	activated = TRUE
@@ -275,7 +275,7 @@
 /mob/proc/canUnEquip(obj/item/I, force)
 	if(!I)
 		return TRUE
-	if((I.item_flags & NODROP) && !force)
+	if(HAS_TRAIT(I, TRAIT_NODROP) && !force)
 		return FALSE
 	return TRUE

@@ -309,13 +309,13 @@
 //DO NOT CALL THIS PROC
 //use one of the above 3 helper procs
 //you may override it, but do not modify the args
-/mob/proc/doUnEquip(obj/item/I, force, newloc, no_move, invdrop = TRUE) //Force overrides NODROP_1 for things like wizarditis and admin undress.
+/mob/proc/doUnEquip(obj/item/I, force, newloc, no_move, invdrop = TRUE) //Force overrides TRAIT_NODROP for things like wizarditis and admin undress.
 													//Use no_move if the item is just gonna be immediately moved afterward
 													//Invdrop is used to prevent stuff in pockets dropping. only set to false if it's going to immediately be replaced
-	if(!I) //If there's nothing to drop, the drop is automatically succesfull. If(unEquip) should generally be used to check for NODROP_1.
+	if(!I) //If there's nothing to drop, the drop is automatically succesfull. If(unEquip) should generally be used to check for TRAIT_NODROP.
 		return TRUE

-	if((I.item_flags & NODROP) && !force)
+	if(HAS_TRAIT(I, TRAIT_NODROP) && !force)
 		return FALSE

 	var/hand_index = get_held_index_of_item(I)
@@ -138,7 +138,11 @@
 	name = "blood crawl"
 	desc = "You are unable to hold anything while in this form."
 	icon = 'icons/effects/blood.dmi'
-	item_flags = NODROP | ABSTRACT
+	item_flags = ABSTRACT
+
+/obj/item/bloodcrawl/Initialize()
+	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, ABSTRACT_ITEM_TRAIT)

 /mob/living/proc/exit_blood_effect(obj/effect/decal/cleanable/B)
 	playsound(get_turf(src), 'sound/magic/exit_blood.ogg', 100, 1, -1)
@@ -103,9 +103,13 @@
 	name = "\improper royal parasite"
 	desc = "Inject this into one of your grown children to promote her to a Praetorian!"
 	icon_state = "alien_medal"
-	item_flags = ABSTRACT | NODROP | DROPDEL
+	item_flags = ABSTRACT | DROPDEL
 	icon = 'icons/mob/alien.dmi'

+/obj/item/queenpromote/Initialize()
+	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, ABSTRACT_ITEM_TRAIT)
+
 /obj/item/queenpromote/attack(mob/living/M, mob/living/carbon/alien/humanoid/user)
 	if(!isalienadult(M) || isalienroyal(M))
 		to_chat(user, "<span class='noticealien'>You may only use this with your adult, non-royal children!</span>")
@@ -175,7 +175,7 @@
 				if(start_T && end_T)
 					log_combat(src, throwable_mob, "thrown", addition="grab from tile in [AREACOORD(start_T)] towards tile at [AREACOORD(end_T)]")

-	else if(!(I.item_flags & (NODROP | ABSTRACT)))
+	else if(!CHECK_BITFIELD(I.item_flags, ABSTRACT) && !HAS_TRAIT(I, TRAIT_NODROP))
 		thrown_thing = I
 		dropItemToGround(I)

@@ -409,7 +409,7 @@
 		return initial(pixel_y)

 /mob/living/carbon/proc/accident(obj/item/I)
-	if(!I || (I.item_flags & (NODROP | ABSTRACT)))
+	if(!I || (I.item_flags & ABSTRACT) || HAS_TRAIT(I, TRAIT_NODROP))
 		return

 	//dropItemToGround(I) CIT CHANGE - makes it so the item doesn't drop if the modifier rolls above 100
@@ -252,7 +252,7 @@

 			var/delay_denominator = 1
 			if(pocket_item && !(pocket_item.item_flags & ABSTRACT))
-				if(pocket_item.item_flags & NODROP)
+				if(HAS_TRAIT(pocket_item, TRAIT_NODROP))
 					to_chat(usr, "<span class='warning'>You try to empty [src]'s [pocket_side] pocket, it seems to be stuck!</span>")
 				to_chat(usr, "<span class='notice'>You try to empty [src]'s [pocket_side] pocket.</span>")
 			else if(place_item && place_item.mob_can_equip(src, usr, pocket_id, 1) && !(place_item.item_flags & ABSTRACT))
@@ -279,7 +279,7 @@ GLOBAL_LIST_EMPTY(roundstart_races)

 	if(mutanthands)
 		// Drop items in hands
-		// If you're lucky enough to have a NODROP_1 item, then it stays.
+		// If you're lucky enough to have a TRAIT_NODROP item, then it stays.
 		for(var/V in C.held_items)
 			var/obj/item/I = V
 			if(istype(I))
@@ -1072,7 +1072,7 @@ GLOBAL_LIST_EMPTY(roundstart_races)
 				return FALSE
 			return equip_delay_self_check(I, H, bypass_equip_delay_self)
 		if(SLOT_L_STORE)
-			if(I.item_flags & NODROP) //Pockets aren't visible, so you can't move NODROP_1 items into them.
+			if(HAS_TRAIT(I, TRAIT_NODROP)) //Pockets aren't visible, so you can't move TRAIT_NODROP items into them.
 				return FALSE
 			if(H.l_store)
 				return FALSE
@@ -1088,7 +1088,7 @@ GLOBAL_LIST_EMPTY(roundstart_races)
 			if( I.w_class <= WEIGHT_CLASS_SMALL || (I.slot_flags & ITEM_SLOT_POCKET) )
 				return TRUE
 		if(SLOT_R_STORE)
-			if(I.item_flags & NODROP)
+			if(HAS_TRAIT(I, TRAIT_NODROP))
 				return FALSE
 			if(H.r_store)
 				return FALSE
@@ -1105,7 +1105,7 @@ GLOBAL_LIST_EMPTY(roundstart_races)
 				return TRUE
 			return FALSE
 		if(SLOT_S_STORE)
-			if(I.item_flags & NODROP)
+			if(HAS_TRAIT(I, TRAIT_NODROP))
 				return FALSE
 			if(H.s_store)
 				return FALSE
@@ -171,12 +171,13 @@
 	armour_penetration = 35
 	lefthand_file = 'icons/mob/inhands/antag/changeling_lefthand.dmi'
 	righthand_file = 'icons/mob/inhands/antag/changeling_righthand.dmi'
-	item_flags = ABSTRACT | NODROP | DROPDEL
+	item_flags = ABSTRACT | DROPDEL
 	w_class = WEIGHT_CLASS_HUGE
 	sharpness = IS_SHARP

 /obj/item/light_eater/Initialize()
 	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, HAND_REPLACEMENT_TRAIT)
 	AddComponent(/datum/component/butchering, 80, 70)

 /obj/item/light_eater/afterattack(atom/movable/AM, mob/user, proximity)
@@ -115,7 +115,7 @@

 /mob/living/carbon/monkey/proc/handle_combat()
 	if(pickupTarget)
-		if(restrained() || blacklistItems[pickupTarget] || (pickupTarget.item_flags & NODROP))
+		if(restrained() || blacklistItems[pickupTarget] || HAS_TRAIT(pickupTarget, TRAIT_NODROP))
 			pickupTarget = null
 		else
 			pickupTimer++
@@ -281,7 +281,7 @@
 				var/datum/disease/D = thing
 				if(D.spread_flags & DISEASE_SPREAD_CONTACT_SKIN)
 					ContactContractDisease(D)
-					
+
 			if(iscarbon(L))
 				var/mob/living/carbon/C = L
 				if(HAS_TRAIT(src, TRAIT_STRONG_GRABBER))
@@ -699,7 +699,7 @@
 // The src mob is trying to strip an item from someone
 // Override if a certain type of mob should be behave differently when stripping items (can't, for example)
 /mob/living/stripPanelUnequip(obj/item/what, mob/who, where)
-	if(what.item_flags & NODROP)
+	if(HAS_TRAIT(what, TRAIT_NODROP))
 		to_chat(src, "<span class='warning'>You can't remove \the [what.name], it appears to be stuck!</span>")
 		return
 	who.visible_message("<span class='danger'>[src] tries to remove [who]'s [what.name].</span>", \
@@ -724,7 +724,7 @@
 // Override if a certain mob should be behave differently when placing items (can't, for example)
 /mob/living/stripPanelEquip(obj/item/what, mob/who, where)
 	what = src.get_active_held_item()
-	if(what && (what.item_flags & NODROP))
+	if(what && HAS_TRAIT(what, TRAIT_NODROP))
 		to_chat(src, "<span class='warning'>You can't put \the [what.name] on [who], it's stuck to your hand!</span>")
 		return
 	if(what)
@@ -119,7 +119,7 @@
 	if(I.loc != src)
 		I.forceMove(src)
 	modules += I
-	I.item_flags |= NODROP
+	ADD_TRAIT(I, TRAIT_NODROP, CYBORG_ITEM_TRAIT)
 	I.mouse_opacity = MOUSE_OPACITY_OPAQUE
 	if(nonstandard)
 		added_modules += I
@@ -93,7 +93,7 @@
 		var/obj/item/I = new default_hatmask(src)
 		equip_to_slot_or_del(I, SLOT_HEAD)

-	access_card.item_flags |= NODROP
+	ADD_TRAIT(access_card, TRAIT_NODROP, ABSTRACT_ITEM_TRAIT)

 	alert_drones(DRONE_NET_CONNECT)

@@ -79,5 +79,5 @@

 /obj/item/clothing/gloves/space_ninja/examine(mob/user)
 	..()
-	if(item_flags & NODROP)
+	if(HAS_TRAIT_FROM(src, TRAIT_NODROP, NINJA_SUIT_TRAIT))
 		to_chat(user, "The energy drain mechanism is <B>[candrain?"active":"inactive"]</B>.")
@@ -111,15 +111,15 @@ Contents:
 		to_chat(H, "<span class='userdanger'>ERROR</span>: 110223 UNABLE TO LOCATE HAND GEAR\nABORTING...")
 		return FALSE
 	affecting = H
-	item_flags |= NODROP //colons make me go all |=
+	ADD_TRAIT(src, TRAIT_NODROP, NINJA_SUIT_TRAIT) //colons make me go all |=
 	slowdown = 0
 	n_hood = H.head
-	n_hood.item_flags |= NODROP
+	ADD_TRAIT(n_hood, TRAIT_NODROP, NINJA_SUIT_TRAIT)
 	n_shoes = H.shoes
-	n_shoes.item_flags |= NODROP
+	ADD_TRAIT(n_shoes, TRAIT_NODROP, NINJA_SUIT_TRAIT)
 	n_shoes.slowdown--
 	n_gloves = H.gloves
-	n_gloves.item_flags |= NODROP
+	ADD_TRAIT(n_gloves, TRAIT_NODROP, NINJA_SUIT_TRAIT)
 	return TRUE

 /obj/item/clothing/suit/space/space_ninja/proc/lockIcons(mob/living/carbon/human/H)
@@ -131,18 +131,18 @@ Contents:
 //This proc allows the suit to be taken off.
 /obj/item/clothing/suit/space/space_ninja/proc/unlock_suit()
 	affecting = null
-	item_flags &= ~NODROP
+	REMOVE_TRAIT(src, TRAIT_NODROP, NINJA_SUIT_TRAIT)
 	slowdown = 1
 	icon_state = "s-ninja"
 	if(n_hood)//Should be attached, might not be attached.
-		n_hood.item_flags &= ~NODROP
+		REMOVE_TRAIT(n_hood, TRAIT_NODROP, NINJA_SUIT_TRAIT)
 	if(n_shoes)
-		n_shoes.item_flags &= ~NODROP
+		REMOVE_TRAIT(n_shoes, TRAIT_NODROP, NINJA_SUIT_TRAIT)
 		n_shoes.slowdown++
 	if(n_gloves)
 		n_gloves.icon_state = "s-ninja"
 		n_gloves.item_state = "s-ninja"
-		n_gloves.item_flags &= ~NODROP
+		REMOVE_TRAIT(n_gloves, TRAIT_NODROP, NINJA_SUIT_TRAIT)
 		n_gloves.candrain=0
 		n_gloves.draining=0

@@ -89,7 +89,7 @@
 		if(!cell_connectors)
 			to_chat(user, "<span class='warning'>This [name] can't support a power cell!</span>")
 			return
-		if(W.item_flags & NODROP)
+		if(HAS_TRAIT(W, TRAIT_NODROP))
 			to_chat(user, "<span class='warning'>[W] is stuck to your hand!</span>")
 			return
 		user.dropItemToGround(W)
@@ -440,10 +440,14 @@
 	name = "turret controls"
 	icon_state = "offhand"
 	w_class = WEIGHT_CLASS_HUGE
-	item_flags = ABSTRACT | NODROP | NOBLUDGEON
+	item_flags = ABSTRACT | NOBLUDGEON
 	resistance_flags = FIRE_PROOF | UNACIDABLE | ACID_PROOF
 	var/delay = 0

+/obj/item/turret_control/Initialize()
+	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, ABSTRACT_ITEM_TRAIT)
+
 /obj/item/turret_control/afterattack(atom/targeted_atom, mob/user, proxflag, clickparams)
 	. = ..()
 	var/obj/machinery/power/emitter/E = user.buckled
@@ -7,7 +7,7 @@
 	item_state = "bloodgun"
 	lefthand_file = 'icons/mob/inhands/weapons/guns_lefthand.dmi'
 	righthand_file = 'icons/mob/inhands/weapons/guns_righthand.dmi'
-	item_flags = ABSTRACT | DROPDEL | NODROP
+	item_flags = ABSTRACT | DROPDEL
 	w_class = WEIGHT_CLASS_HUGE
 	force = 5
 	max_charges = 1 //Recharging costs blood.
@@ -15,6 +15,10 @@
 	ammo_type = /obj/item/ammo_casing/magic/bloodchill
 	fire_sound = 'sound/effects/attackblob.ogg'

+/obj/item/gun/magic/bloodchill/Initialize()
+	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, HAND_REPLACEMENT_TRAIT)
+
 /obj/item/gun/magic/bloodchill/process()
 	charge_tick++
 	if(charge_tick < recharge_rate || charges >= max_charges)
@@ -708,7 +708,7 @@
 	imp.implant(SM, user)

 	SM.access_card = new /obj/item/card/id/syndicate(SM)
-	SM.access_card.item_flags |= NODROP
+	ADD_TRAIT(SM.access_card, TRAIT_NODROP, ABSTRACT_ITEM_TRAIT)

 /obj/item/slimepotion/transference
 	name = "consciousness transference potion"
@@ -165,7 +165,7 @@
 	var/datum/job/captain/C = new /datum/job/captain
 	access_card.access = C.get_access()
 	access_card.access |= ACCESS_CENT_BAR
-	access_card.item_flags |= NODROP
+	ADD_TRAIT(access_card, TRAIT_NODROP, ABSTRACT_ITEM_TRAIT)

 /mob/living/simple_animal/hostile/alien/maid/barmaid/Destroy()
 	qdel(access_card)
@@ -38,18 +38,14 @@
 		return

 	var/list/masks = list(/obj/item/clothing/mask/pig/cursed, /obj/item/clothing/mask/cowmask/cursed, /obj/item/clothing/mask/horsehead/cursed)
-	var/list/mSounds = list('sound/magic/pighead_curse.ogg', 'sound/magic/cowhead_curse.ogg', 'sound/magic/horsehead_curse.ogg')
-	var/randM = rand(1,3)

-
-	var/choice = masks[randM]
-	var/obj/item/clothing/mask/magichead = new choice
+	var/choice = pick(masks)
+	var/obj/item/clothing/mask/magichead = new choice(get_turf(target))
 	magichead.flags_inv = null
 	target.visible_message("<span class='danger'>[target]'s face bursts into flames, and a barnyard animal's head takes its place!</span>", \
 						   "<span class='danger'>Your face burns up, and shortly after the fire you realise you have the face of a barnyard animal!</span>")
 	if(!target.dropItemToGround(target.wear_mask))
 		qdel(target.wear_mask)
 	target.equip_to_slot_if_possible(magichead, SLOT_WEAR_MASK, 1, 1)
-	playsound(get_turf(target), mSounds[randM], 50, 1)

 	target.flash_act()
@@ -7,7 +7,7 @@
 	icon = 'icons/obj/items_and_weapons.dmi'
 	icon_state = "syndballoon"
 	item_state = null
-	item_flags = NEEDS_PERMIT | ABSTRACT | NODROP | DROPDEL
+	item_flags = NEEDS_PERMIT | ABSTRACT | DROPDEL
 	w_class = WEIGHT_CLASS_HUGE
 	force = 0
 	throwforce = 0
@@ -15,6 +15,10 @@
 	throw_speed = 0
 	var/charges = 1

+/obj/item/melee/touch_attack/Initialize()
+	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, ABSTRACT_ITEM_TRAIT)
+
 /obj/item/melee/touch_attack/attack(mob/target, mob/living/carbon/user)
 	if(!iscarbon(user)) //Look ma, no hands
 		return
@@ -34,7 +34,7 @@
 		for(var/obj/item/item in hand_items)
 			// I ensouled the nuke disk once. But it's probably a really
 			// mean tactic, so probably should discourage it.
-			if((item.item_flags & ABSTRACT) || (item.item_flags & NODROP) || SEND_SIGNAL(item, COMSIG_ITEM_IMBUE_SOUL, user))
+			if((item.item_flags & ABSTRACT) || HAS_TRAIT(item, TRAIT_NODROP) || SEND_SIGNAL(item, COMSIG_ITEM_IMBUE_SOUL, user))
 				continue
 			marked_item = item
 			to_chat(M, "<span class='warning'>You begin to focus your very being into [item]...</span>")
@@ -25,7 +25,7 @@
 			for(var/obj/item/item in hand_items)
 				if(item.item_flags & ABSTRACT)
 					continue
-				if(item.item_flags & NODROP)
+				if(HAS_TRAIT(item, TRAIT_NODROP))
 					message += "Though it feels redundant, "
 				marked_item = 		item
 				message += "You mark [item] for recall.</span>"
@@ -29,7 +29,7 @@
 /datum/surgery_step/handle_cavity/success(mob/user, mob/living/carbon/human/target, target_zone, obj/item/tool, datum/surgery/surgery)
 	var/obj/item/bodypart/chest/CH = target.get_bodypart(BODY_ZONE_CHEST)
 	if(tool)
-		if(IC || tool.w_class > WEIGHT_CLASS_NORMAL || (tool.item_flags & NODROP) || istype(tool, /obj/item/organ))
+		if(IC || tool.w_class > WEIGHT_CLASS_NORMAL || HAS_TRAIT(tool, TRAIT_NODROP) || istype(tool, /obj/item/organ))
 			to_chat(user, "<span class='warning'>You can't seem to fit [tool] in [target]'s [target_zone]!</span>")
 			return 0
 		var/obj/item/electronic_assembly/EA = tool
@@ -89,7 +89,7 @@

 	holder = item

-	holder.item_flags |= NODROP
+	ADD_TRAIT(holder, TRAIT_NODROP, HAND_REPLACEMENT_TRAIT)
 	holder.resistance_flags = INDESTRUCTIBLE | LAVA_PROOF | FIRE_PROOF | UNACIDABLE | ACID_PROOF
 	holder.slot_flags = null
 	holder.materials = null
@@ -51,8 +51,7 @@
 	active = !active
 	if(active)
 		for(var/obj/item/I in owner.held_items)
-			if(!(I.item_flags & NODROP))
-				stored_items += I
+			stored_items += I

 		var/list/L = owner.get_empty_held_indexes()
 		if(LAZYLEN(L) == owner.held_items.len)
@@ -62,7 +61,7 @@
 		else
 			for(var/obj/item/I in stored_items)
 				to_chat(owner, "<span class='notice'>Your [owner.get_held_index_name(owner.get_held_index_of_item(I))]'s grip tightens.</span>")
-				I.item_flags |= NODROP
+				ADD_TRAIT(I, TRAIT_NODROP, ANTI_DROP_IMPLANT_TRAIT)

 	else
 		release_items()
@@ -83,10 +82,9 @@
 		to_chat(owner, "<span class='warning'>Your [owner.get_held_index_name(owner.get_held_index_of_item(I))] spasms and throws the [I.name]!</span>")
 	stored_items = list()

-
 /obj/item/organ/cyberimp/brain/anti_drop/proc/release_items()
 	for(var/obj/item/I in stored_items)
-		I.item_flags &= ~NODROP
+		REMOVE_TRAIT(I, TRAIT_NODROP, ANTI_DROP_IMPLANT_TRAIT)
 	stored_items = list()


@@ -4,7 +4,7 @@
 		humans, butchering all other living things to \
 		sustain the zombie, smashing open airlock doors and opening \
 		child-safe caps on bottles."
-	item_flags = NODROP | ABSTRACT | DROPDEL
+	item_flags = ABSTRACT | DROPDEL
 	resistance_flags = INDESTRUCTIBLE | LAVA_PROOF | FIRE_PROOF | UNACIDABLE | ACID_PROOF
 	icon = 'icons/effects/blood.dmi'
 	icon_state = "bloodhand_left"
@@ -14,7 +14,9 @@
 	force = 21 // Just enough to break airlocks with melee attacks
 	damtype = "brute"

-	var/removing_airlock = FALSE
+/obj/item/zombie_hand/Initialize()
+	. = ..()
+	ADD_TRAIT(src, TRAIT_NODROP, HAND_REPLACEMENT_TRAIT)

 /obj/item/zombie_hand/equipped(mob/user, slot)
 	. = ..()
@@ -119,8 +119,8 @@

 /obj/item/melee/transforming/energy/sword/cx/attackby(obj/item/W, mob/living/user, params)
 	if(istype(W, /obj/item/melee/transforming/energy/sword/cx))
-		if((W.item_flags & NODROP) || (item_flags & NODROP))
-			to_chat(user, "<span class='warning'>\the [item_flags & NODROP ? src : W] is stuck to your hand, you can't attach it to \the [item_flags & NODROP ? W : src]!</span>")
+		if(HAS_TRAIT(W, TRAIT_NODROP) || HAS_TRAIT(src, TRAIT_NODROP))
+			to_chat(user, "<span class='warning'>\the [HAS_TRAIT(src, TRAIT_NODROP) ? src : W] is stuck to your hand, you can't attach it to \the [HAS_TRAIT(src, TRAIT_NODROP) ? W : src]!</span>")
 			return
 		else
 			to_chat(user, "<span class='notice'>You combine the two light swords, making a single supermassive blade! You're cool.</span>")
@@ -228,8 +228,8 @@

 /obj/item/toy/sword/cx/attackby(obj/item/W, mob/living/user, params)
 	if(istype(W, /obj/item/toy/sword/cx))
-		if((W.item_flags & NODROP) || (item_flags & NODROP))
-			to_chat(user, "<span class='warning'>\the [item_flags & NODROP ? src : W] is stuck to your hand, you can't attach it to \the [item_flags & NODROP ? W : src]!</span>")
+		if(HAS_TRAIT(W, TRAIT_NODROP) || HAS_TRAIT(src, TRAIT_NODROP))
+			to_chat(user, "<span class='warning'>\the [HAS_TRAIT(src, TRAIT_NODROP) ? src : W] is stuck to your hand, you can't attach it to \the [HAS_TRAIT(src, TRAIT_NODROP) ? W : src]!</span>")
 			return
 		else
 			to_chat(user, "<span class='notice'>You combine the two plastic swords, making a single supermassive toy! You're fake-cool.</span>")