Merge branch 'master' into more_crates+bags

code/game/objects/buckling.dm

@@ -36,8 +36,7 @@
 
 //procs that handle the actual buckling and unbuckling
 /atom/movable/proc/buckle_mob(mob/living/M, force = FALSE, check_loc = TRUE)
-	if(!buckled_mobs)
-		buckled_mobs = list()
+	LAZYINITLIST(buckled_mobs)
 
 	if(!istype(M))
 		return FALSE
@@ -66,7 +65,7 @@
 	M.buckled = src
 	M.setDir(dir)
 	buckled_mobs |= M
-	M.update_canmove()
+	M.update_mobility()
 	M.throw_alert("buckled", /obj/screen/alert/restrained/buckled)
 	post_buckle_mob(M)
 
@@ -85,7 +84,7 @@
 		. = buckled_mob
 		buckled_mob.buckled = null
 		buckled_mob.anchored = initial(buckled_mob.anchored)
-		buckled_mob.update_canmove()
+		buckled_mob.update_mobility()
 		buckled_mob.clear_alert("buckled")
 		buckled_mobs -= buckled_mob
 		SEND_SIGNAL(src, COMSIG_MOVABLE_UNBUCKLE, buckled_mob, force)

code/game/objects/effects/anomalies.dm

@@ -113,7 +113,7 @@
 
 /obj/effect/anomaly/grav/proc/gravShock(mob/living/A)
 	if(boing && isliving(A) && !A.stat)
-		A.Knockdown(40)
+		A.DefaultCombatKnockdown(40)
 		var/atom/target = get_edge_target_turf(A, get_dir(src, get_step_away(A, src)))
 		A.throw_at(target, 5, 1)
 		boing = 0

code/game/objects/effects/contraband.dm

@@ -409,6 +409,21 @@
 	desc = "A poster advertising a movie about some masked men."
 	icon_state = "poster44"
 
+/obj/structure/sign/poster/contraband/buzzfuzz
+	name = "Buzz Fuzz"
+	desc = "A poster advertising the newest drink \"Buzz Fuzz\" with its iconic slogan of ~A Hive of Flavour~."
+	icon_state = "poster45"
+
+/obj/structure/sign/poster/contraband/scum
+	name = "Security are Scum"
+	desc = "Anti-security propaganda. Features a human NanoTrasen security officer being shot in the head, with the words 'Scum' and a short inciteful manifesto. Used to anger security."
+	icon_state = "poster46"
+
+/obj/structure/sign/poster/contraband/syndicate_logo
+	name = "Syndicate"
+	desc = "A poster decipting a snake shaped into an ominous 'S'!"
+	icon_state = "poster47"
+
 /obj/structure/sign/poster/official
 	poster_item_name = "motivational poster"
 	poster_item_desc = "An official Nanotrasen-issued poster to foster a compliant and obedient workforce. It comes with state-of-the-art adhesive backing, for easy pinning to any vertical surface."
@@ -595,4 +610,49 @@
 	desc = "This informational poster teaches the viewer what carbon dioxide is."
 	icon_state = "poster35_legit"
 
+/obj/structure/sign/poster/official/spiderlings
+	name = "Spiderlings"
+	desc = "This poster informs the crew of the dangers of spiderlings."
+	icon_state = "poster36_legit"
+
+/obj/structure/sign/poster/official/duelshotgun
+	name = "Cycler Shotgun Ad"
+	desc = "A poster advertising an advanced dual magazine tubes shotgun, boasting about how easy it is to swap between the two tubes."
+	icon_state = "poster37_legit"
+
+/obj/structure/sign/poster/official/fashion
+	name = "Fashion!"
+	desc = "An advertisement for 'Fashion!', a popular fashion magazine, depicting a woman with a black dress with a golden trim, she also has a red poppy in her hair."
+	icon_state = "poster38_legit"
+
+/obj/structure/sign/poster/official/pda_ad600
+	name = "NT PDA600 Ad"
+	desc = "A poster advertising an old discounted Nanotrasen PDA. This is the old 600 model, it has a small screen and suffered from security and networking issues."
+	icon_state = "poster39_legit"
+
+/obj/structure/sign/poster/official/pda_ad800
+	name = "NT PDA800 Ad"
+	desc = "An advertisement on an old Nanotrasen PDA model. The 800 fixed a lot of security flaws that the 600 had; it also had large touchscreen and hot-swappable cartridges."
+	icon_state = "poster40_legit"
+
+/obj/structure/sign/poster/official/hydro_ad
+	name = "Hydroponics Tray"
+	desc = "An advertisement for hydroponics trays. Space Station 13's botanical department uses a slightly newer model, but the principles are the same. From left to right: Green means the plant is done, red means the plant is unhealthy, flashing red means pests or weeds, yellow means the plant needs nutriment and blue means the plant needs water."
+	icon_state = "poster41_legit"
+
+/obj/structure/sign/poster/official/medical_green_cross
+	name = "Medical"
+	desc = "A green cross, one of the interplanetary symbol of health and aid. It has a bunch of common languages at the top with translations." // Didn't the American Heart Foundation trademark red crosses? I'm playing it safe with green, not that they'll notice spacegame13 poster.
+	icon_state = "poster42_legit"
+
+/obj/structure/sign/poster/official/nt_storm_officer
+	name = "NT Storm Ad"
+	desc = "An advertisement for NanoTrasen Storm. A premium infantry helmet, This is the officer variant. I comes with a better radio, better HUD software and better targeting sensors."
+	icon_state = "poster43_legit"
+
+/obj/structure/sign/poster/official/nt_storm
+	name = "NT Storm Ad"
+	desc = "An advertisement for NanoTrasen Storm. A premium infantry helmet, It contains a rebreather and full head coverage for use on harsh environments where the air isn't always safe to breathe."
+	icon_state = "poster44_legit"
+
 #undef PLACE_SPEED

code/game/objects/effects/decals/cleanable/gibs.dm

@@ -17,7 +17,7 @@
 	if(gibs_reagent_id)
 		reagents.add_reagent(gibs_reagent_id, 5)
 	if(gibs_bloodtype)
-		add_blood_DNA(list("Non-human DNA" = gibs_bloodtype, diseases))
+		add_blood_DNA(list("Non-human DNA" = gibs_bloodtype), diseases)
 	update_icon()
 
 /obj/effect/decal/cleanable/blood/gibs/update_icon()

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

@@ -104,4 +104,5 @@
 	if(explosion_message)
 		location.visible_message("<span class='danger'>The solution violently explodes!</span>", \
 								"<span class='italics'>You hear an explosion!</span>")
-	dyn_explosion(location, amount, flashing_factor)
+	dyn_explosion(location, amount, flashing_factor)
+

code/game/objects/effects/landmarks.dm

@@ -151,6 +151,10 @@ INITIALIZE_IMMEDIATE(/obj/effect/landmark)
 	name = "Medical Doctor"
 	icon_state = "Medical Doctor"
 
+/obj/effect/landmark/start/paramedic
+	name = "Paramedic"
+	icon_state = "Paramedic"
+
 /obj/effect/landmark/start/scientist
 	name = "Scientist"
 	icon_state = "Scientist"
@@ -502,8 +506,3 @@ INITIALIZE_IMMEDIATE(/obj/effect/landmark/start/new_player)
 /obj/effect/landmark/stationroom/box/engine/New()
 	. = ..()
 	templates = CONFIG_GET(keyed_list/box_random_engine)
-
-// Landmark for the mining station
-/obj/effect/landmark/stationroom/lavaland/station
-	templates = list("Public Mining Base" = 3)
-	icon = 'icons/rooms/Lavaland/Mining.dmi'

code/game/objects/effects/mines.dm

@@ -48,7 +48,7 @@
 
 /obj/effect/mine/stun/mineEffect(mob/living/victim)
 	if(isliving(victim))
-		victim.Knockdown(stun_time)
+		victim.DefaultCombatKnockdown(stun_time)
 
 /obj/effect/mine/kickmine
 	name = "kick mine"

code/game/objects/effects/step_triggers.dm

@@ -61,10 +61,11 @@
 		if(AM in T.affecting)
 			return
 
-	if(ismob(AM))
-		var/mob/M = AM
+	if(isliving(AM))
+		var/mob/living/M = AM
 		if(immobilize)
-			M.canmove = 0
+			ADD_TRAIT(M, TRAIT_MOBILITY_NOMOVE, src)
+			M.update_mobility()
 
 	affecting.Add(AM)
 	while(AM && !stopthrow)
@@ -98,10 +99,11 @@
 
 	affecting.Remove(AM)
 
-	if(ismob(AM))
-		var/mob/M = AM
+	if(isliving(AM))
+		var/mob/living/M = AM
 		if(immobilize)
-			M.canmove = 1
+			REMOVE_TRAIT(M, TRAIT_MOBILITY_NOMOVE, src)
+			M.update_mobility()
 
 /* Stops things thrown by a thrower, doesn't do anything */
 

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

@@ -139,13 +139,6 @@
 /obj/effect/temp_visual/dir_setting/curse/hand
 	icon_state = "cursehand"
 
-/obj/effect/temp_visual/dir_setting/curse/hand/Initialize(mapload, set_dir, handedness)
-	. = ..()
-	update_icon()
-
-/obj/item/projectile/curse_hand/update_icon()
-	icon_state = "[icon_state][handedness]"
-
 /obj/effect/temp_visual/wizard
 	name = "water"
 	icon = 'icons/mob/mob.dmi'
@@ -474,7 +467,7 @@
 	else
 		update_icon()
 
-/obj/effect/constructing_effect/update_icon()
+/obj/effect/constructing_effect/update_icon_state()
 	icon_state = "rcd"
 	if (delay < 10)
 		icon_state += "_shortest"

code/game/objects/items.dm

@@ -175,14 +175,13 @@ GLOBAL_VAR_INIT(rpg_loot_items, FALSE)
 	set category = "Object"
 	set src in oview(1)
 
-	if(!isturf(loc) || usr.stat || usr.restrained() || !usr.canmove)
+	var/mob/living/L = usr
+	if(!istype(L) || !isturf(loc) || !CHECK_MOBILITY(L, MOBILITY_USE))
 		return
 
-	var/turf/T = src.loc
-
-	src.loc = null
-
-	src.loc = T
+	var/turf/T = loc
+	loc = null
+	loc = T
 
 /obj/item/examine(mob/user) //This might be spammy. Remove?
 	. = ..()
@@ -544,7 +543,7 @@ GLOBAL_VAR_INIT(rpg_loot_items, FALSE)
 					to_chat(M, "<span class='danger'>You drop what you're holding and clutch at your eyes!</span>")
 			M.adjust_blurriness(10)
 			M.Unconscious(20)
-			M.Knockdown(40)
+			M.DefaultCombatKnockdown(40)
 		if (prob(eyes.damage - 10 + 1))
 			M.become_blind(EYE_DAMAGE)
 			to_chat(M, "<span class='danger'>You go blind!</span>")

code/game/objects/items/RCD.dm

@@ -552,8 +552,8 @@ RLD
 	explosion(src, 0, 0, 3, 1, flame_range = 1)
 	qdel(src)
 
-/obj/item/construction/rcd/update_icon()
-	..()
+/obj/item/construction/rcd/update_overlays()
+	. = ..()
 	if(has_ammobar)
 		var/ratio = CEILING((matter / max_matter) * ammo_sections, 1)
 		cut_overlays()	//To prevent infinite stacking of overlays
@@ -707,11 +707,10 @@ RLD
 	else
 		..()
 
-/obj/item/construction/rld/update_icon()
-	..()
+/obj/item/construction/rld/update_overlays()
+	. = ..()
 	var/ratio = CEILING((matter / max_matter) * ammo_sections, 1)
-	cut_overlays()	//To prevent infinite stacking of overlays
-	add_overlay("rld_light[ratio]")
+	. += "rld_light[ratio]"
 
 /obj/item/construction/rld/attack_self(mob/user)
 	..()

code/game/objects/items/RCL.dm

@@ -2,8 +2,8 @@
 	name = "rapid cable layer"
 	desc = "A device used to rapidly deploy cables. It has screws on the side which can be removed to slide off the cables. Do not use without insulation!"
 	icon = 'icons/obj/tools.dmi'
-	icon_state = "rcl-empty"
-	item_state = "rcl-0"
+	icon_state = "rcl"
+	item_state = "rcl"
 	var/obj/structure/cable/last
 	var/obj/item/stack/cable_coil/loaded
 	opacity = FALSE
@@ -23,6 +23,14 @@
 	var/datum/radial_menu/persistent/wiring_gui_menu
 	var/mob/listeningTo
 
+/obj/item/twohanded/rcl/Initialize()
+	. = ..()
+	update_icon()
+
+/obj/item/twohanded/rcl/ComponentInitialize()
+	. = ..()
+	AddElement(/datum/element/update_icon_updates_onmob)
+
 /obj/item/twohanded/rcl/attackby(obj/item/W, mob/user)
 	if(istype(W, /obj/item/stack/cable_coil))
 		var/obj/item/stack/cable_coil/C = W
@@ -90,34 +98,28 @@
 	QDEL_NULL(wiring_gui_menu)
 	return ..()
 
-/obj/item/twohanded/rcl/update_icon()
-	if(!loaded)
-		icon_state = "rcl-empty"
-		item_state = "rcl-empty"
+/obj/item/twohanded/rcl/update_icon_state()
+	icon_state = initial(icon_state)
+	item_state = initial(item_state)
+	if(!loaded || !loaded.amount)
+		icon_state += "-empty"
+		item_state += "-0"
+
+/obj/item/twohanded/rcl/update_overlays()
+	. = ..()
+	if(!loaded || !loaded.amount)
 		return
-	cut_overlays()
-	var/cable_amount = 0
-	switch(loaded.amount)
-		if(61 to INFINITY)
-			cable_amount = 3
-		if(31 to 60)
-			cable_amount = 2
-		if(1 to 30)
-			cable_amount = 1
-		else
-			cable_amount = 0
-
-	var/mutable_appearance/cable_overlay = mutable_appearance(icon, "rcl-[cable_amount]")
+	var/mutable_appearance/cable_overlay = mutable_appearance(icon, "[initial(icon_state)]-[CEILING(loaded.amount/(max_amount/3), 1)]")
 	cable_overlay.color = GLOB.cable_colors[colors[current_color_index]]
-	if(cable_amount >= 1)
-		icon_state = "rcl"
-		item_state = "rcl"
-		add_overlay(cable_overlay)
-	else
-		icon_state = "rcl-empty"
-		item_state = "rcl-0"
-		add_overlay(cable_overlay)
+	. += cable_overlay
 
+/obj/item/twohanded/rcl/worn_overlays(isinhands, icon_file, style_flags = NONE)
+	. = ..()
+	if(!isinhands || !(loaded?.amount))
+		return
+	var/mutable_appearance/cable_overlay = mutable_appearance(icon, "rcl-[CEILING(loaded.amount/(max_amount/3), 1)]")
+	cable_overlay.color = GLOB.cable_colors[colors[current_color_index]]
+	. += cable_overlay
 
 /obj/item/twohanded/rcl/proc/is_empty(mob/user, loud = 1)
 	update_icon()
@@ -289,18 +291,6 @@ obj/item/twohanded/rcl/proc/getMobhook(mob/to_hook)
 
 	wiringGuiUpdate(user)
 
-
-/obj/item/twohanded/rcl/pre_loaded/Initialize() //Comes preloaded with cable, for testing stuff
-	. = ..()
-	loaded = new()
-	loaded.max_amount = max_amount
-	loaded.amount = max_amount
-	update_icon()
-
-/obj/item/twohanded/rcl/Initialize()
-	. = ..()
-	update_icon()
-
 /obj/item/twohanded/rcl/ui_action_click(mob/user, action)
 	if(istype(action, /datum/action/item_action/rcl_col))
 		current_color_index++;
@@ -319,37 +309,15 @@ obj/item/twohanded/rcl/proc/getMobhook(mob/to_hook)
 		else //open the menu
 			showWiringGui(user)
 
+/obj/item/twohanded/rcl/pre_loaded/Initialize() //Comes preloaded with cable, for testing stuff
+	loaded = new()
+	loaded.max_amount = max_amount
+	loaded.amount = max_amount
+	return ..()
+
 /obj/item/twohanded/rcl/ghetto
 	actions_types = list()
 	max_amount = 30
 	name = "makeshift rapid cable layer"
+	icon_state = "rclg"
 	ghetto = TRUE
-
-/obj/item/twohanded/rcl/ghetto/update_icon()
-	if(!loaded)
-		icon_state = "rclg-empty"
-		item_state = "rclg-0"
-		return
-	cut_overlays()
-	var/cable_amount = 0
-	switch(loaded.amount)
-		if(20 to INFINITY)
-			cable_amount = 3
-		if(10 to 19)
-			cable_amount = 2
-		if(1 to 9)
-			cable_amount = 1
-		else
-			cable_amount = 0
-
-	var/mutable_appearance/cable_overlay = mutable_appearance(icon, "rcl-[cable_amount]")
-	cable_overlay.color = GLOB.cable_colors[colors[current_color_index]]
-	if(cable_amount >= 1)
-		icon_state = "rclg"
-		item_state = "rclg"
-		add_overlay(cable_overlay)
-	else
-		icon_state = "rclg-empty"
-		item_state = "rclg-0"
-		add_overlay(cable_overlay)
-

code/game/objects/items/apc_frame.dm

@@ -66,8 +66,8 @@
 		if(iswallturf(T))
 			T.attackby(src, user, params)
 
-	var/metal_amt = round(custom_materials[getmaterialref(/datum/material/iron)]/MINERAL_MATERIAL_AMOUNT)
-	var/glass_amt = round(custom_materials[getmaterialref(/datum/material/glass)]/MINERAL_MATERIAL_AMOUNT)
+	var/metal_amt = round(custom_materials[SSmaterials.GetMaterialRef(/datum/material/iron)]/MINERAL_MATERIAL_AMOUNT)
+	var/glass_amt = round(custom_materials[SSmaterials.GetMaterialRef(/datum/material/glass)]/MINERAL_MATERIAL_AMOUNT)
 
 	if(istype(W, /obj/item/wrench) && (metal_amt || glass_amt))
 		to_chat(user, "<span class='notice'>You dismantle [src].</span>")

code/game/objects/items/boombox.dm

@@ -37,7 +37,7 @@
 	SSjukeboxes.removejukebox(SSjukeboxes.findjukeboxindex(src))
 	. = ..()
 
-/obj/item/boombox/update_icon()
+/obj/item/boombox/update_icon_state()
 	icon_state = "[baseiconstate]_[boomingandboxing ? "on" : "off"]"
 	return
 
@@ -48,8 +48,11 @@
 	baseiconstate = "raiqbawks"
 	availabletrackids = list("hotline.ogg","chiptune.ogg","genesis.ogg")
 
-/obj/item/boombox/raiq/update_icon()
+/obj/item/boombox/raiq/Initialize()
 	. = ..()
+	RegisterSignal(src, COMSIG_ATOM_UPDATED_ICON, .proc/start_party)
+
+/obj/item/boombox/raiq/proc/start_party()
 	if(boomingandboxing)
 		START_PROCESSING(SSobj, src)
 	else
@@ -58,4 +61,3 @@
 
 /obj/item/boombox/raiq/process()
 	set_light(5,0.95,pick("#d87aff","#7a7aff","#89ecff","#b88eff","#ff59ad"))
-	return

code/game/objects/items/candle.dm

@@ -19,7 +19,7 @@
 	if(start_lit)
 		light()
 
-/obj/item/candle/update_icon()
+/obj/item/candle/update_icon_state()
 	icon_state = "candle[(wax > 400) ? ((wax > 750) ? 1 : 2) : 3][lit ? "_lit" : ""]"
 
 /obj/item/candle/attackby(obj/item/W, mob/user, params)

code/game/objects/items/cards_ids.dm

@@ -40,13 +40,13 @@
 	.=..()
 	update_icon()
 
-/obj/item/card/data/update_icon()
-	cut_overlays()
+/obj/item/card/data/update_overlays()
+	. = ..()
 	if(detail_color == COLOR_FLOORTILE_GRAY)
 		return
 	var/mutable_appearance/detail_overlay = mutable_appearance('icons/obj/card.dmi', "[icon_state]-color")
 	detail_overlay.color = detail_color
-	add_overlay(detail_overlay)
+	. += detail_overlay
 
 /obj/item/card/data/attackby(obj/item/I, mob/living/user)
 	if(istype(I, /obj/item/integrated_electronics/detailer))
@@ -517,10 +517,16 @@ update_label("John Doe", "Clowny")
 //Polychromatic Knight Badge
 
 /obj/item/card/id/knight
-	var/id_color = "#00FF00" //defaults to green
 	name = "knight badge"
 	icon_state = "knight"
 	desc = "A badge denoting the owner as a knight! It has a strip for swiping like an ID"
+	var/id_color = "#00FF00" //defaults to green
+	var/mutable_appearance/id_overlay
+
+/obj/item/card/id/knight/Initialize()
+	. = ..()
+	id_overlay = mutable_appearance(icon, "knight_overlay")
+	update_icon()
 
 /obj/item/card/id/knight/update_label(newname, newjob)
 	if(newname || newjob)
@@ -529,14 +535,10 @@ update_label("John Doe", "Clowny")
 
 	name = "[(!registered_name)	? "knight badge"	: "[registered_name]'s Knight Badge"][(!assignment) ? "" : " ([assignment])"]"
 
-/obj/item/card/id/knight/update_icon()
-	var/mutable_appearance/id_overlay = mutable_appearance(icon, "knight_overlay")
-
-	if(id_color)
-		id_overlay.color = id_color
-	cut_overlays()
-
-	add_overlay(id_overlay)
+/obj/item/card/id/knight/update_overlays()
+	. = ..()
+	id_overlay.color = id_color
+	. += id_overlay
 
 /obj/item/card/id/knight/AltClick(mob/living/user)
 	. = ..()
@@ -556,10 +558,6 @@ update_label("John Doe", "Clowny")
 		update_icon()
 		return TRUE
 
-/obj/item/card/id/knight/Initialize()
-	. = ..()
-	update_icon()
-
 /obj/item/card/id/knight/examine(mob/user)
 	. = ..()
 	. += "<span class='notice'>Alt-click to recolor it.</span>"

code/game/objects/items/chrono_eraser.dm

@@ -65,8 +65,9 @@
 		TED = new(src.loc)
 		return INITIALIZE_HINT_QDEL
 
-/obj/item/gun/energy/chrono_gun/update_icon()
-	return
+/obj/item/gun/energy/chrono_gun/ComponentInitialize()
+	. = ..()
+	AddElement(/datum/element/update_icon_blocker)
 
 /obj/item/gun/energy/chrono_gun/process_fire(atom/target, mob/living/user, message = TRUE, params = null, zone_override = "", bonus_spread = 0)
 	if(field)

code/game/objects/items/cigs_lighters.dm

@@ -522,11 +522,13 @@ CIGARETTE PACKETS ARE IN FANCY.DM
 		user.visible_message("<span class='suicide'>[user] begins whacking [user.p_them()]self with \the [src]! It looks like [user.p_theyre()] trying to commit suicide!</span>")
 		return BRUTELOSS
 
-/obj/item/lighter/update_icon()
-	cut_overlays()
-	var/mutable_appearance/lighter_overlay = mutable_appearance(icon,"lighter_overlay_[overlay_state][lit ? "-on" : ""]")
+/obj/item/lighter/update_icon_state()
 	icon_state = "[initial(icon_state)][lit ? "-on" : ""]"
-	add_overlay(lighter_overlay)
+
+/obj/item/lighter/update_overlays()
+	. = ..()
+	var/mutable_appearance/lighter_overlay = mutable_appearance(icon,"lighter_overlay_[overlay_state][lit ? "-on" : ""]")
+	. += lighter_overlay
 
 /obj/item/lighter/ignition_effect(atom/A, mob/user)
 	if(get_temperature())
@@ -645,12 +647,14 @@ CIGARETTE PACKETS ARE IN FANCY.DM
 		lighter_color = pick(color_list)
 	update_icon()
 
-/obj/item/lighter/greyscale/update_icon()
-	cut_overlays()
-	var/mutable_appearance/lighter_overlay = mutable_appearance(icon,"lighter_overlay_[overlay_state][lit ? "-on" : ""]")
+/obj/item/lighter/greyscale/update_icon_state()
 	icon_state = "[initial(icon_state)][lit ? "-on" : ""]"
+
+/obj/item/lighter/greyscale/update_overlays()
+	. = ..()
+	var/mutable_appearance/lighter_overlay = mutable_appearance(icon,"lighter_overlay_[overlay_state][lit ? "-on" : ""]")
 	lighter_overlay.color = lighter_color
-	add_overlay(lighter_overlay)
+	. += lighter_overlay
 
 /obj/item/lighter/greyscale/ignition_effect(atom/A, mob/user)
 	if(get_temperature())
@@ -852,7 +856,7 @@ CIGARETTE PACKETS ARE IN FANCY.DM
 		if(prob(5))//small chance for the vape to break and deal damage if it's emagged
 			playsound(get_turf(src), 'sound/effects/pop_expl.ogg', 50, 0)
 			M.apply_damage(20, BURN, BODY_ZONE_HEAD)
-			M.Knockdown(300, 1, 0)
+			M.DefaultCombatKnockdown(300, 1, 0)
 			var/datum/effect_system/spark_spread/sp = new /datum/effect_system/spark_spread
 			sp.set_up(5, 1, src)
 			sp.start()

code/game/objects/items/crayons.dm

@@ -577,8 +577,8 @@
 	new /obj/item/toy/crayon/black(src)
 	update_icon()
 
-/obj/item/storage/crayons/update_icon()
-	cut_overlays()
+/obj/item/storage/crayons/update_overlays()
+	. = ..()
 	for(var/obj/item/toy/crayon/crayon in contents)
 		add_overlay(mutable_appearance('icons/obj/crayons.dmi', crayon.item_color))
 
@@ -694,7 +694,7 @@
 			C.blind_eyes(1)
 		if(C.get_eye_protection() <= 0) // no eye protection? ARGH IT BURNS.
 			C.confused = max(C.confused, 3)
-			C.Knockdown(60)
+			C.DefaultCombatKnockdown(60)
 		if(ishuman(C) && actually_paints)
 			var/mob/living/carbon/human/H = C
 			H.lip_style = "spray_face"
@@ -735,13 +735,15 @@
 
 	. = ..()
 
-/obj/item/toy/crayon/spraycan/update_icon()
+/obj/item/toy/crayon/spraycan/update_icon_state()
 	icon_state = is_capped ? icon_capped : icon_uncapped
+
+/obj/item/toy/crayon/spraycan/update_overlays()
+	. = ..()
 	if(use_overlays)
-		cut_overlays()
 		var/mutable_appearance/spray_overlay = mutable_appearance('icons/obj/crayons.dmi', "[is_capped ? "spraycan_cap_colors" : "spraycan_colors"]")
 		spray_overlay.color = paint_color
-		add_overlay(spray_overlay)
+		. += spray_overlay
 
 /obj/item/toy/crayon/spraycan/borg
 	name = "cyborg spraycan"

code/game/objects/items/defib.dm

@@ -20,7 +20,7 @@
 	var/safety = TRUE //if you can zap people with the defibs on harm mode
 	var/powered = FALSE //if there's a cell in the defib with enough power for a revive, blocks paddles from reviving otherwise
 	var/obj/item/twohanded/shockpaddles/paddles
-	var/obj/item/stock_parts/cell/high/cell
+	var/obj/item/stock_parts/cell/cell
 	var/combat = FALSE //can we revive through space suits?
 	var/grab_ghost = FALSE // Do we pull the ghost back into their body?
 	var/healdisk = FALSE // Will we shock people dragging the body?
@@ -35,19 +35,14 @@
 
 /obj/item/defibrillator/Initialize() //starts without a cell for rnd
 	. = ..()
+	if(cell)
+		cell = new cell(src)
 	paddles = make_paddles()
-	update_icon()
-	return
-
-/obj/item/defibrillator/loaded/Initialize() //starts with hicap
-	. = ..()
-	cell = new(src)
-	update_icon()
-	return
-
-/obj/item/defibrillator/update_icon()
 	update_power()
-	return ..()
+	return
+
+/obj/item/defibrillator/loaded
+	cell = /obj/item/stock_parts/cell/high
 
 /obj/item/defibrillator/proc/update_power()
 	if(!QDELETED(cell))
@@ -57,6 +52,7 @@
 			powered = TRUE
 	else
 		powered = FALSE
+	update_icon()
 
 /obj/item/defibrillator/update_overlays()
 	. = ..()
@@ -76,7 +72,7 @@
 /obj/item/defibrillator/CheckParts(list/parts_list)
 	..()
 	cell = locate(/obj/item/stock_parts/cell) in contents
-	update_icon()
+	update_power()
 
 /obj/item/defibrillator/ui_action_click()
 	toggle_paddles()
@@ -124,7 +120,7 @@
 				return
 			cell = W
 			to_chat(user, "<span class='notice'>You install a cell in [src].</span>")
-			update_icon()
+			update_power()
 
 	else if(istype(W, /obj/item/screwdriver))
 		if(cell)
@@ -132,7 +128,7 @@
 			cell.forceMove(get_turf(src))
 			cell = null
 			to_chat(user, "<span class='notice'>You remove the cell from [src].</span>")
-			update_icon()
+			update_power()
 	else
 		return ..()
 
@@ -157,7 +153,7 @@
 		safety = TRUE
 		visible_message("<span class='notice'>[src] beeps: Safety protocols enabled!</span>")
 		playsound(src, 'sound/machines/defib_saftyOn.ogg', 50, 0)
-	update_icon()
+	update_power()
 
 /obj/item/defibrillator/proc/toggle_paddles()
 	set name = "Toggle Paddles"
@@ -170,14 +166,14 @@
 		if(!usr.put_in_hands(paddles))
 			on = FALSE
 			to_chat(user, "<span class='warning'>You need a free hand to hold the paddles!</span>")
-			update_icon()
+			update_power()
 			return
 	else
 		//Remove from their hands and back onto the defib unit
 		paddles.unwield()
 		remove_paddles(user)
 
-	update_icon()
+	update_power()
 	for(var/X in actions)
 		var/datum/action/A = X
 		A.UpdateButtonIcon()
@@ -189,7 +185,7 @@
 	..()
 	if((slot_flags == ITEM_SLOT_BACK && slot != SLOT_BACK) || (slot_flags == ITEM_SLOT_BELT && slot != SLOT_BELT))
 		remove_paddles(user)
-		update_icon()
+		update_power()
 
 /obj/item/defibrillator/item_action_slot_check(slot, mob/user, datum/action/A)
 	if(slot == user.getBackSlot())
@@ -213,12 +209,12 @@
 	if(cell)
 		if(cell.charge < (paddles.revivecost+chrgdeductamt))
 			powered = FALSE
-			update_icon()
+			update_power()
 		if(cell.use(chrgdeductamt))
-			update_icon()
+			update_power()
 			return TRUE
 		else
-			update_icon()
+			update_power()
 			return FALSE
 
 /obj/item/defibrillator/proc/cooldowncheck(mob/user)
@@ -232,7 +228,7 @@
 				playsound(src, 'sound/machines/defib_failed.ogg', 50, 0)
 		paddles.cooldown = FALSE
 		paddles.update_icon()
-		update_icon()
+		update_power()
 
 /obj/item/defibrillator/compact
 	name = "compact defibrillator"
@@ -246,10 +242,8 @@
 	if(slot == user.getBeltSlot())
 		return TRUE
 
-/obj/item/defibrillator/compact/loaded/Initialize()
-	. = ..()
-	cell = new(src)
-	update_icon()
+/obj/item/defibrillator/compact/loaded
+	cell = /obj/item/stock_parts/cell/high
 
 /obj/item/defibrillator/compact/combat
 	name = "combat defibrillator"
@@ -258,17 +252,12 @@
 	safety = FALSE
 	always_emagged = TRUE
 	disarm_shock_time = 0
-
-/obj/item/defibrillator/compact/combat/loaded/Initialize()
-	. = ..()
-	cell = new /obj/item/stock_parts/cell/infinite(src)
-	update_icon()
+	cell = /obj/item/stock_parts/cell/infinite
 
 /obj/item/defibrillator/compact/combat/loaded/attackby(obj/item/W, mob/user, params)
 	if(W == paddles)
 		paddles.unwield()
 		toggle_paddles()
-		update_icon()
 		return
 
 //paddles
@@ -298,6 +287,10 @@
 
 	var/mob/listeningTo
 
+/obj/item/twohanded/shockpaddles/ComponentInitialize()
+	. = ..()
+	AddElement(/datum/element/update_icon_updates_onmob)
+
 /obj/item/twohanded/shockpaddles/equipped(mob/user, slot)
 	. = ..()
 	if(!req_defib)
@@ -339,14 +332,11 @@
 		busy = FALSE
 		update_icon()
 
-/obj/item/twohanded/shockpaddles/update_icon()
+/obj/item/twohanded/shockpaddles/update_icon_state()
 	icon_state = "defibpaddles[wielded]"
 	item_state = "defibpaddles[wielded]"
 	if(cooldown)
 		icon_state = "defibpaddles[wielded]_cooldown"
-	if(iscarbon(loc))
-		var/mob/living/carbon/C = loc
-		C.update_inv_hands()
 
 /obj/item/twohanded/shockpaddles/suicide_act(mob/user)
 	user.visible_message("<span class='danger'>[user] is putting the live paddles on [user.p_their()] chest! It looks like [user.p_theyre()] trying to commit suicide!</span>")
@@ -373,7 +363,7 @@
 		return
 	defib.on = FALSE
 	forceMove(defib)
-	defib.update_icon()
+	defib.update_power()
 
 /obj/item/twohanded/shockpaddles/proc/check_defib_exists(mainunit, mob/living/carbon/M, obj/O)
 	if(!req_defib)
@@ -459,7 +449,7 @@
 		M.visible_message("<span class='danger'>[user] zaps [M] with [src]!</span>", \
 				"<span class='userdanger'>[user] zaps [M] with [src]!</span>")
 		M.adjustStaminaLoss(50)
-		M.Knockdown(100)
+		M.DefaultCombatKnockdown(100)
 		M.updatehealth() //forces health update before next life tick
 		playsound(src,  'sound/machines/defib_zap.ogg', 50, 1, -1)
 		M.emote("gasp")
@@ -516,7 +506,7 @@
 				H.set_heartattack(TRUE)
 			H.apply_damage(50, BURN, BODY_ZONE_CHEST)
 			log_combat(user, H, "overloaded the heart of", defib)
-			H.Knockdown(100)
+			H.DefaultCombatKnockdown(100)
 			H.Jitter(100)
 			if(req_defib)
 				defib.deductcharge(revivecost)

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

@@ -9,7 +9,6 @@ GLOBAL_LIST_EMPTY(PDAs)
 #define PDA_SCANNER_HALOGEN		4
 #define PDA_SCANNER_GAS			5
 #define PDA_SPAM_DELAY		    2 MINUTES
-#define PDA_STANDARD_OVERLAYS list("pda-r", "blank", "id_overlay", "insert_overlay", "light_overlay", "pai_overlay")
 
 //pda icon overlays list defines
 #define PDA_OVERLAY_ALERT		1
@@ -33,14 +32,19 @@ GLOBAL_LIST_EMPTY(PDAs)
 	armor = list("melee" = 0, "bullet" = 0, "laser" = 0, "energy" = 0, "bomb" = 0, "bio" = 0, "rad" = 0, "fire" = 100, "acid" = 100)
 	resistance_flags = FIRE_PROOF | ACID_PROOF
 
-
 	//Main variables
 	var/owner = null // String name of owner
 	var/default_cartridge = 0 // Access level defined by cartridge
 	var/obj/item/cartridge/cartridge = null //current cartridge
 	var/mode = 0 //Controls what menu the PDA will display. 0 is hub; the rest are either built in or based on cartridge.
 	var/list/overlays_icons = list('icons/obj/pda_alt.dmi' = list("pda-r", "screen_default", "id_overlay", "insert_overlay", "light_overlay", "pai_overlay"))
-	var/current_overlays = PDA_STANDARD_OVERLAYS
+	var/static/list/standard_overlays_icons = list("pda-r", "blank", "id_overlay", "insert_overlay", "light_overlay", "pai_overlay")
+	var/list/current_overlays //set on Initialize.
+
+	//variables exclusively used on 'update_overlays' (which should never be called directly, and 'update_icon' doesn't use args anyway)
+	var/new_overlays = FALSE
+	var/new_alert = FALSE
+
 	var/font_index = 0 //This int tells DM which font is currently selected and lets DM know when the last font has been selected so that it can cycle back to the first font when "toggle font" is pressed again.
 	var/font_mode = "font-family:monospace;" //The currently selected font.
 	var/background_color = "#808000" //The currently selected background color.
@@ -123,7 +127,8 @@ GLOBAL_LIST_EMPTY(PDAs)
 		inserted_item = new inserted_item(src)
 	else
 		inserted_item =	new /obj/item/pen(src)
-	update_icon(FALSE, TRUE)
+	new_overlays = TRUE
+	update_icon()
 
 /obj/item/pda/CtrlShiftClick(mob/living/user)
 	. = ..()
@@ -144,7 +149,8 @@ GLOBAL_LIST_EMPTY(PDAs)
 	if(QDELETED(src) || isnull(new_icon) || new_icon == icon || !M.canUseTopic(src, BE_CLOSE, FALSE, NO_TK))
 		return
 	icon = new_icon
-	update_icon(FALSE, TRUE)
+	new_overlays = TRUE
+	update_icon()
 	to_chat(M, "[src] is now skinned as '[choice]'.")
 
 /obj/item/pda/proc/set_new_overlays()
@@ -157,7 +163,7 @@ GLOBAL_LIST_EMPTY(PDAs)
 			overlays_x_offset = new_offsets[1]
 			overlays_y_offset = new_offsets[2]
 	if(!(icon in overlays_icons))
-		current_overlays = PDA_STANDARD_OVERLAYS
+		current_overlays = standard_overlays_icons
 		return
 	current_overlays = overlays_icons[icon]
 
@@ -188,7 +194,8 @@ GLOBAL_LIST_EMPTY(PDAs)
 	var/pref_skin = GLOB.pda_reskins[C.prefs.pda_skin]
 	if(icon != pref_skin)
 		icon = pref_skin
-		update_icon(FALSE, TRUE)
+		new_overlays = TRUE
+		update_icon()
 	equipped = TRUE
 
 /obj/item/pda/proc/update_label()
@@ -215,25 +222,30 @@ GLOBAL_LIST_EMPTY(PDAs)
 		return TRUE
 	return FALSE
 
-/obj/item/pda/update_icon(alert = FALSE, new_overlays = FALSE)
+/obj/item/pda/update_overlays()
+	. = ..()
 	if(new_overlays)
 		set_new_overlays()
-	cut_overlays()
-	add_overlay(alert ? current_overlays[PDA_OVERLAY_ALERT] : current_overlays[PDA_OVERLAY_SCREEN])
-	var/mutable_appearance/overlay = new()
+	. += new_alert ? current_overlays[PDA_OVERLAY_ALERT] : current_overlays[PDA_OVERLAY_SCREEN]
+	var/screen_state = new_alert ? current_overlays[PDA_OVERLAY_ALERT] : current_overlays[PDA_OVERLAY_SCREEN]
+	var/mutable_appearance/overlay = mutable_appearance(icon, screen_state)
 	overlay.pixel_x = overlays_x_offset
+	overlay.pixel_y = overlays_y_offset
+	. += overlay
 	if(id)
 		overlay.icon_state = current_overlays[PDA_OVERLAY_ID]
-		add_overlay(new /mutable_appearance(overlay))
+		. += new /mutable_appearance(overlay)
 	if(inserted_item)
 		overlay.icon_state = current_overlays[PDA_OVERLAY_ITEM]
-		add_overlay(new /mutable_appearance(overlay))
+		. += new /mutable_appearance(overlay)
 	if(fon)
 		overlay.icon_state = current_overlays[PDA_OVERLAY_LIGHT]
-		add_overlay(new /mutable_appearance(overlay))
+		. += new /mutable_appearance(overlay)
 	if(pai)
 		overlay.icon_state = "[current_overlays[PDA_OVERLAY_PAI]][pai.pai ? "" : "_off"]"
-		add_overlay(new /mutable_appearance(overlay))
+		. += new /mutable_appearance(overlay)
+	new_overlays = FALSE
+	new_alert = FALSE
 
 /obj/item/pda/MouseDrop(mob/over, src_location, over_location)
 	var/mob/M = usr
@@ -459,7 +471,7 @@ GLOBAL_LIST_EMPTY(PDAs)
 	var/mob/living/U = usr
 	//Looking for master was kind of pointless since PDAs don't appear to have one.
 
-	if(usr.canUseTopic(src, BE_CLOSE, FALSE, NO_TK) && !href_list["close"])
+	if(usr.canUseTopic(src, BE_CLOSE, FALSE, NO_TK, FALSE) && !href_list["close"])
 		add_fingerprint(U)
 		U.set_machine(src)
 
@@ -747,7 +759,7 @@ GLOBAL_LIST_EMPTY(PDAs)
 	var/t = stripped_input(U, "Please enter message", name)
 	if (!t || toff)
 		return
-	if(!U.canUseTopic(src, BE_CLOSE))
+	if(!U.canUseTopic(src, BE_CLOSE, FALSE, NO_TK, FALSE))
 		return
 	if(emped)
 		t = Gibberish(t, 100)
@@ -849,6 +861,7 @@ GLOBAL_LIST_EMPTY(PDAs)
 
 		to_chat(L, "[icon2html(src)] <b>Message from [hrefstart][signal.data["name"]] ([signal.data["job"]])[hrefend], </b>[inbound_message] (<a href='byond://?src=[REF(src)];choice=Message;skiprefresh=1;target=[REF(signal.source)]'>Reply</a>) (<a href='byond://?src=[REF(src)];choice=toggle_block;target=[signal.data["name"]]'>BLOCK/UNBLOCK</a>)")
 
+	new_alert = TRUE
 	update_icon(TRUE)
 
 /obj/item/pda/proc/send_to_all(mob/living/U)
@@ -1212,7 +1225,6 @@ GLOBAL_LIST_EMPTY(PDAs)
 #undef PDA_SCANNER_HALOGEN
 #undef PDA_SCANNER_GAS
 #undef PDA_SPAM_DELAY
-#undef PDA_STANDARD_OVERLAYS
 
 #undef PDA_OVERLAY_ALERT
 #undef PDA_OVERLAY_SCREEN

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

@@ -193,8 +193,6 @@
 /obj/item/pda/curator
 	name = "curator PDA"
 	icon_state = "pda-library"
-	overlays_icons = list('icons/obj/pda.dmi' = list("pda-r-library","blank","id_overlay","insert_overlay", "light_overlay", "pai_overlay"),
-						'icons/obj/pda_alt.dmi' = list("pda-r","screen_default","id_overlay","insert_overlay", "light_overlay", "pai_overlay"))
 	current_overlays = list("pda-r-library","blank","id_overlay","insert_overlay", "light_overlay", "pai_overlay")
 	default_cartridge = /obj/item/cartridge/curator
 	inserted_item = /obj/item/pen/fountain

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

@@ -454,7 +454,7 @@
 	on = FALSE
 	update_icon()
 
-/obj/item/flashlight/glowstick/update_icon()
+/obj/item/flashlight/glowstick/update_icon_state()
 	item_state = "glowstick"
 	cut_overlays()
 	if(!fuel)

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

@@ -87,27 +87,25 @@
 
 	. += "<span class='notice'>The last radiation amount detected was [last_tick_amount]</span>"
 
-/obj/item/geiger_counter/update_icon()
+/obj/item/geiger_counter/update_icon_state()
 	if(!scanning)
 		icon_state = "geiger_off"
-		return 1
-	if(obj_flags & EMAGGED)
+	else if(obj_flags & EMAGGED)
 		icon_state = "geiger_on_emag"
-		return 1
-	switch(radiation_count)
-		if(-INFINITY to RAD_LEVEL_NORMAL)
-			icon_state = "geiger_on_1"
-		if(RAD_LEVEL_NORMAL + 1 to RAD_LEVEL_MODERATE)
-			icon_state = "geiger_on_2"
-		if(RAD_LEVEL_MODERATE + 1 to RAD_LEVEL_HIGH)
-			icon_state = "geiger_on_3"
-		if(RAD_LEVEL_HIGH + 1 to RAD_LEVEL_VERY_HIGH)
-			icon_state = "geiger_on_4"
-		if(RAD_LEVEL_VERY_HIGH + 1 to RAD_LEVEL_CRITICAL)
-			icon_state = "geiger_on_4"
-		if(RAD_LEVEL_CRITICAL + 1 to INFINITY)
-			icon_state = "geiger_on_5"
-	..()
+	else
+		switch(radiation_count)
+			if(-INFINITY to RAD_LEVEL_NORMAL)
+				icon_state = "geiger_on_1"
+			if(RAD_LEVEL_NORMAL + 1 to RAD_LEVEL_MODERATE)
+				icon_state = "geiger_on_2"
+			if(RAD_LEVEL_MODERATE + 1 to RAD_LEVEL_HIGH)
+				icon_state = "geiger_on_3"
+			if(RAD_LEVEL_HIGH + 1 to RAD_LEVEL_VERY_HIGH)
+				icon_state = "geiger_on_4"
+			if(RAD_LEVEL_VERY_HIGH + 1 to RAD_LEVEL_CRITICAL)
+				icon_state = "geiger_on_4"
+			if(RAD_LEVEL_CRITICAL + 1 to INFINITY)
+				icon_state = "geiger_on_5"
 
 /obj/item/geiger_counter/proc/update_sound()
 	var/datum/looping_sound/geiger/loop = soundloop

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

@@ -108,6 +108,12 @@
 	song.instrumentDir = name
 	song.instrumentExt = insTypes[name]
 
+/obj/item/instrument/piano_synth/proc/selectInstrument() // Moved here so it can be used by the action and PAI software panel without copypasta
+	var/chosen = input("Choose the type of instrument you want to use", "Instrument Selection", song.instrumentDir) as null|anything in insTypes
+	if(!insTypes[chosen])
+		return
+	return changeInstrument(chosen)
+
 /obj/item/instrument/banjo
 	name = "banjo"
 	desc = "A 'Mura' brand banjo. It's pretty much just a drum with a neck and strings."

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

@@ -116,7 +116,7 @@
 		//chance to actually hit the eyes depends on internal component
 		if(prob(effectchance * diode.rating))
 			S.flash_act(affect_silicon = 1)
-			S.Knockdown(rand(100,200))
+			S.DefaultCombatKnockdown(rand(100,200))
 			to_chat(S, "<span class='danger'>Your sensors were overloaded by a laser!</span>")
 			outmsg = "<span class='notice'>You overload [S] by shining [src] at [S.p_their()] sensors.</span>"
 		else
@@ -152,8 +152,7 @@
 		if(prob(50))
 			C.visible_message("<span class='notice'>[C] pounces on the light!</span>","<span class='warning'>LIGHT!</span>")
 			C.Move(targloc)
-			C.resting = TRUE
-			C.update_canmove()
+			C.set_resting(TRUE)
 		else
 			C.visible_message("<span class='notice'>[C] looks uninterested in your games.</span>","<span class='warning'>You spot [user] shining [src] at you. How insulting!</span>")
 

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

@@ -158,7 +158,7 @@
 /obj/item/lightreplacer/attack_self(mob/user)
 	to_chat(user, status_string())
 
-/obj/item/lightreplacer/update_icon()
+/obj/item/lightreplacer/update_icon_state()
 	icon_state = "lightreplacer[(obj_flags & EMAGGED ? 1 : 0)]"
 
 /obj/item/lightreplacer/proc/status_string()

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

@@ -67,7 +67,7 @@
 		to_chat(user, "<span class='notice'>You clear the wired connection from the multitool.</span>")
 	update_icon()
 
-/obj/item/multitool/update_icon()
+/obj/item/multitool/update_icon_state()
 	if(selected_io)
 		icon_state = "multitool_red"
 	else
@@ -149,7 +149,7 @@
 /obj/item/multitool/ai_detect/ui_action_click()
 	return
 
-/obj/item/multitool/ai_detect/update_icon()
+/obj/item/multitool/ai_detect/update_icon_state()
 	if(selected_io)
 		icon_state = "multitool_red"
 	else

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

@@ -94,10 +94,8 @@
 					to_chat(pai, "<span class='userdanger'>Your mental faculties leave you.</span>")
 					to_chat(pai, "<span class='rose'>oblivion... </span>")
 					qdel(pai)
-		if(href_list["wires"])
-			var/wire = text2num(href_list["wires"])
-			if(pai.radio)
-				pai.radio.wires.cut(wire)
+		if(href_list["wires"] && pai.radio)
+			pai.radio.wires.cut(href_list["wires"])
 		if(href_list["reset_radio_short"])
 			pai.unshort_radio()
 		if(href_list["setlaws"])

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

@@ -26,7 +26,7 @@
 
 	var/obj/structure/cable/attached		// the attached cable
 
-/obj/item/powersink/update_icon()
+/obj/item/powersink/update_icon_state()
 	icon_state = "powersink[mode == OPERATING]"
 
 /obj/item/powersink/proc/set_mode(value)

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

@@ -27,7 +27,7 @@
 		qpad = null
 	return TRUE
 
-/obj/item/quantum_keycard/update_icon()
+/obj/item/quantum_keycard/update_icon_state()
 	if(qpad)
 		icon_state = "quantum_keycard_on"
 	else

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

@@ -118,7 +118,7 @@
 		s.set_up(3, 1, L)
 		s.start()
 
-		L.Knockdown(100)
+		L.DefaultCombatKnockdown(100)
 
 	if(master)
 		master.receive_signal()
@@ -192,7 +192,7 @@ Code:
 		s.set_up(3, 1, L)
 		s.start()
 
-		L.Knockdown(100)
+		L.DefaultCombatKnockdown(100)
 
 	if(master)
 		master.receive_signal()

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

@@ -254,12 +254,17 @@ GLOBAL_LIST_INIT(channel_tokens, list(
 	keyslot = null
 	bowman = TRUE
 
-/obj/item/radio/headset/ai
+/obj/item/radio/headset/silicon/pai
+	name = "\proper mini Integrated Subspace Transceiver "
+	subspace_transmission = FALSE
+
+
+/obj/item/radio/headset/silicon/ai
 	name = "\proper Integrated Subspace Transceiver "
 	keyslot2 = new /obj/item/encryptionkey/ai
 	command = TRUE
 
-/obj/item/radio/headset/ai/can_receive(freq, level)
+/obj/item/radio/headset/silicon/can_receive(freq, level)
 	return ..(freq, level, TRUE)
 
 /obj/item/radio/headset/attackby(obj/item/W, mob/user, params)

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

@@ -484,7 +484,8 @@ SLIME SCANNER
 	set name = "Switch Verbosity"
 	set category = "Object"
 
-	if(usr.stat || !usr.canmove || usr.restrained())
+	var/mob/living/L = usr
+	if(!istype(L) || !CHECK_MOBILITY(L, MOBILITY_USE))
 		return
 
 	mode = !mode

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

@@ -83,7 +83,7 @@
 	eject(usr)
 
 
-/obj/item/taperecorder/update_icon()
+/obj/item/taperecorder/update_icon_state()
 	if(!mytape)
 		icon_state = "taperecorder_empty"
 	else if(recording)

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

@@ -44,7 +44,7 @@ effective or pretty fucking useless.
 	for(var/mob/living/carbon/human/M in urange(10, user, 1))
 		if(prob(50))
 
-			M.Knockdown(rand(200,400))
+			M.DefaultCombatKnockdown(rand(200,400))
 			to_chat(M, "<span class='userdanger'>You feel a tremendous, paralyzing wave flood your mind.</span>")
 
 		else

code/game/objects/items/dice.dm

@@ -134,8 +134,9 @@
 	w_class = WEIGHT_CLASS_SMALL
 	sides = 100
 
-/obj/item/dice/d100/update_icon()
-	return
+/obj/item/dice/d100/ComponentInitialize()
+	. = ..()
+	AddElement(/datum/element/update_icon_blocker)
 
 /obj/item/dice/eightbd20
 	name = "strange d20"
@@ -144,8 +145,9 @@
 	sides = 20
 	special_faces = list("It is certain","It is decidedly so","Without a doubt","Yes, definitely","You may rely on it","As I see it, yes","Most likely","Outlook good","Yes","Signs point to yes","Reply hazy try again","Ask again later","Better not tell you now","Cannot predict now","Concentrate and ask again","Don't count on it","My reply is no","My sources say no","Outlook not so good","Very doubtful")
 
-/obj/item/dice/eightbd20/update_icon()
-	return
+/obj/item/dice/eightbd20/ComponentInitialize()
+	. = ..()
+	AddElement(/datum/element/update_icon_blocker)
 
 /obj/item/dice/fourdd6
 	name = "4d d6"
@@ -154,8 +156,9 @@
 	sides = 48
 	special_faces = list("Cube-Side: 1-1","Cube-Side: 1-2","Cube-Side: 1-3","Cube-Side: 1-4","Cube-Side: 1-5","Cube-Side: 1-6","Cube-Side: 2-1","Cube-Side: 2-2","Cube-Side: 2-3","Cube-Side: 2-4","Cube-Side: 2-5","Cube-Side: 2-6","Cube-Side: 3-1","Cube-Side: 3-2","Cube-Side: 3-3","Cube-Side: 3-4","Cube-Side: 3-5","Cube-Side: 3-6","Cube-Side: 4-1","Cube-Side: 4-2","Cube-Side: 4-3","Cube-Side: 4-4","Cube-Side: 4-5","Cube-Side: 4-6","Cube-Side: 5-1","Cube-Side: 5-2","Cube-Side: 5-3","Cube-Side: 5-4","Cube-Side: 5-5","Cube-Side: 5-6","Cube-Side: 6-1","Cube-Side: 6-2","Cube-Side: 6-3","Cube-Side: 6-4","Cube-Side: 6-5","Cube-Side: 6-6","Cube-Side: 7-1","Cube-Side: 7-2","Cube-Side: 7-3","Cube-Side: 7-4","Cube-Side: 7-5","Cube-Side: 7-6","Cube-Side: 8-1","Cube-Side: 8-2","Cube-Side: 8-3","Cube-Side: 8-4","Cube-Side: 8-5","Cube-Side: 8-6")
 
-/obj/item/dice/fourdd6/update_icon()
-	return
+/obj/item/dice/fourdd6/ComponentInitialize()
+	. = ..()
+	AddElement(/datum/element/update_icon_blocker)
 
 /obj/item/dice/attack_self(mob/user)
 	diceroll(user)
@@ -187,9 +190,9 @@
 	else if(!src.throwing) //Dice was thrown and is coming to rest
 		visible_message("<span class='notice'>[src] rolls to a stop, landing on [result]. [comment]</span>")
 
-/obj/item/dice/update_icon()
-	cut_overlays()
-	add_overlay("[src.icon_state]-[src.result]")
+/obj/item/dice/update_overlays()
+	. = ..()
+	. += "[icon_state]-[result]"
 
 /obj/item/dice/microwave_act(obj/machinery/microwave/M)
 	if(can_be_rigged)

code/game/objects/items/flamethrower.dm

@@ -27,6 +27,10 @@
 	var/igniter_type = /obj/item/assembly/igniter
 	trigger_guard = TRIGGER_GUARD_NORMAL
 
+/obj/item/flamethrower/ComponentInitialize()
+	. = ..()
+	AddElement(/datum/element/update_icon_updates_onmob)
+
 /obj/item/flamethrower/Destroy()
 	if(weldtool)
 		qdel(weldtool)
@@ -48,22 +52,17 @@
 	if(isturf(location)) //start a fire if possible
 		igniter.flamethrower_process(location)
 
+/obj/item/flamethrower/update_icon_state()
+	item_state = "flamethrower_[lit]"
 
-/obj/item/flamethrower/update_icon()
-	cut_overlays()
+/obj/item/flamethrower/update_overlays()
+	. = ..()
 	if(igniter)
-		add_overlay("+igniter[status]")
+		. += "+igniter[status]"
 	if(ptank)
-		add_overlay("+ptank")
+		. += "+ptank"
 	if(lit)
-		add_overlay("+lit")
-		item_state = "flamethrower_1"
-	else
-		item_state = "flamethrower_0"
-	if(ismob(loc))
-		var/mob/M = loc
-		M.update_inv_hands()
-	return
+		. += "+lit"
 
 /obj/item/flamethrower/afterattack(atom/target, mob/user, flag)
 	. = ..()

code/game/objects/items/granters.dm

@@ -294,7 +294,7 @@
 /obj/item/book/granter/spell/knock/recoil(mob/living/user)
 	..()
 	to_chat(user,"<span class='warning'>You're knocked down!</span>")
-	user.Knockdown(40)
+	user.DefaultCombatKnockdown(40)
 
 /obj/item/book/granter/spell/barnyard
 	spell = /obj/effect/proc_holder/spell/targeted/barnyardcurse
@@ -491,12 +491,12 @@
 	remarks = list("Looks like these would sell much better in a plasma fire...", "Using glass bowls rather then cones?", "Mixing soda and ice-cream?", "Tall glasses with of liquids and solids...", "Just add a bit of icecream and cherry on top?")
 
 /obj/item/book/granter/crafting_recipe/bone_bow //Bow crafting for non-ashwalkers
-	name = "Sandstone manual on bows"
-	desc = "A standstone slab with everything you need to know for making bows and arrows just like an ashwalker would."
+	name = "bowyery sandstone slab" // this is an actual word
+	desc = "A sandstone slab with inscriptions describing the Ash Walkers of Lavaland's bowyery."
 	crafting_recipe_types = list(/datum/crafting_recipe/bone_arrow, /datum/crafting_recipe/bone_bow, /datum/crafting_recipe/ashen_arrow, /datum/crafting_recipe/quiver, /datum/crafting_recipe/bow_tablet)
 	icon_state = "stone_tablet"
 	oneuse = FALSE
-	remarks = list("Sticking burning arrows into the sand makes them stronger?", "Breaking the bone apart to get shards, not sharpening  the bone.", "Sinew is just like rope?")
+	remarks = list("Sticking burning arrows into the sand makes them stronger...", "Breaking the bone apart to get shards, not sharpening the bone...", "Sinew is just like rope...")
 
 /obj/item/book/granter/crafting_recipe/under_the_oven //Illegal cook book
 	name = "Under The Oven"

code/game/objects/items/grenades/flashbang.dm

@@ -31,7 +31,7 @@
 	M.show_message("<span class='warning'>BANG</span>", MSG_AUDIBLE)
 	var/distance = get_dist(get_turf(M), source)
 	if(!distance || loc == M || loc == M.loc)	//Stop allahu akbarring rooms with this.
-		M.Knockdown(200)
+		M.DefaultCombatKnockdown(200)
 		M.soundbang_act(1, 200, 10, 15)
 	else
 		M.soundbang_act(1, max(200/max(1,distance), 60), rand(0, 5))
@@ -41,4 +41,4 @@
 		return
 	var/distance = get_dist(get_turf(M), source)
 	if(M.flash_act(affect_silicon = 1))
-		M.Knockdown(max(200/max(1,distance), 60))
+		M.DefaultCombatKnockdown(max(200/max(1,distance), 60))

code/game/objects/items/grenades/plastic.dm

@@ -158,7 +158,7 @@
 	user.gib(1, 1)
 	qdel(src)
 
-/obj/item/grenade/plastic/update_icon()
+/obj/item/grenade/plastic/update_icon_state()
 	if(nadeassembly)
 		icon_state = "[item_state]1"
 	else

code/game/objects/items/handcuffs.dm

@@ -128,9 +128,6 @@
 	item_color = param_color || item_color || pick(cable_colors)
 	if(cable_colors[item_color])
 		item_color = cable_colors[item_color]
-	update_icon()
-
-/obj/item/restraints/handcuffs/cable/update_icon()
 	color = null
 	add_atom_colour(item_color, FIXED_COLOUR_PRIORITY)
 
@@ -352,7 +349,7 @@
 		C.update_inv_legcuffed()
 		SSblackbox.record_feedback("tally", "handcuffs", 1, type)
 		to_chat(C, "<span class='userdanger'>\The [src] ensnares you!</span>")
-		C.Knockdown(knockdown)
+		C.DefaultCombatKnockdown(knockdown)
 
 /obj/item/restraints/legcuffs/bola/tactical//traitor variant
 	name = "reinforced bola"

code/game/objects/items/his_grace.dm

@@ -92,7 +92,7 @@
 				master.emote("scream")
 				master.remove_status_effect(STATUS_EFFECT_HISGRACE)
 				REMOVE_TRAIT(src, TRAIT_NODROP, HIS_GRACE_TRAIT)
-				master.Knockdown(60)
+				master.DefaultCombatKnockdown(60)
 				master.adjustBruteLoss(master.maxHealth)
 				playsound(master, 'sound/effects/splat.ogg', 100, 0)
 			else

code/game/objects/items/holy_weapons.dm

@@ -64,16 +64,16 @@
 	else
 		playsound(src, 'sound/machines/buzz-sigh.ogg', 40, 1)
 
-/obj/item/holybeacon/proc/beacon_armor(mob/M)
+/obj/item/holybeacon/proc/beacon_armor(mob/living/L)
 	var/list/holy_armor_list = typesof(/obj/item/storage/box/holy)
 	var/list/display_names = list()
 	for(var/V in holy_armor_list)
 		var/atom/A = V
 		display_names += list(initial(A.name) = A)
 
-	var/choice = input(M,"What holy armor kit would you like to order?","Holy Armor Theme") as null|anything in display_names
-	var/turf/T = get_turf(M)
-	if(!T || QDELETED(src) || !choice || M.stat || !in_range(M, src) || M.restrained() || !M.canmove || GLOB.holy_armor_type)
+	var/choice = input(L,"What holy armor kit would you like to order?","Holy Armor Theme") as null|anything in display_names
+	var/turf/T = get_turf(src)
+	if(!T || QDELETED(src) || !choice || !CHECK_MOBILITY(L, MOBILITY_USE) || !in_range(L, src) || GLOB.holy_armor_type)
 		return
 
 	var/index = display_names.Find(choice)
@@ -86,7 +86,7 @@
 
 	if(holy_armor_box)
 		qdel(src)
-		M.put_in_hands(holy_armor_box)
+		L.put_in_hands(holy_armor_box)
 
 /obj/item/storage/box/holy
 	name = "Templar Kit"
@@ -244,7 +244,7 @@
 	if(user.mind && (user.mind.isholy) && !reskinned)
 		reskin_holy_weapon(user)
 
-/obj/item/nullrod/proc/reskin_holy_weapon(mob/M)
+/obj/item/nullrod/proc/reskin_holy_weapon(mob/living/L)
 	if(GLOB.holy_weapon_type)
 		return
 	var/obj/item/holy_weapon
@@ -255,8 +255,8 @@
 		if (initial(rodtype.chaplain_spawnable))
 			display_names[initial(rodtype.name)] = rodtype
 
-	var/choice = input(M,"What theme would you like for your holy weapon?","Holy Weapon Theme") as null|anything in display_names
-	if(QDELETED(src) || !choice || M.stat || !in_range(M, src) || M.restrained() || !M.canmove || reskinned)
+	var/choice = input(L, "What theme would you like for your holy weapon?","Holy Weapon Theme") as null|anything in display_names
+	if(QDELETED(src) || !choice || !in_range(L, src) || !CHECK_MOBILITY(L, MOBILITY_USE) || reskinned)
 		return
 
 	var/A = display_names[choice] // This needs to be on a separate var as list member access is not allowed for new
@@ -269,7 +269,7 @@
 	if(holy_weapon)
 		holy_weapon.reskinned = TRUE
 		qdel(src)
-		M.put_in_active_hand(holy_weapon)
+		L.put_in_active_hand(holy_weapon)
 
 /obj/item/nullrod/proc/jedi_spin(mob/living/user)
 	for(var/i in list(NORTH,SOUTH,EAST,WEST,EAST,SOUTH,NORTH,SOUTH,EAST,WEST,EAST,SOUTH))
@@ -674,7 +674,7 @@
 	add_fingerprint(user)
 	if((HAS_TRAIT(user, TRAIT_CLUMSY)) && prob(50))
 		to_chat(user, "<span class ='warning'>You club yourself over the head with [src].</span>")
-		user.Knockdown(60)
+		user.DefaultCombatKnockdown(60)
 		if(ishuman(user))
 			var/mob/living/carbon/human/H = user
 			H.apply_damage(2*force, BRUTE, BODY_ZONE_HEAD)

code/game/objects/items/hot_potato.dm

@@ -71,8 +71,7 @@
 	if(stimulant)
 		if(isliving(loc))
 			var/mob/living/L = loc
-			L.SetStun(0)
-			L.SetKnockdown(0)
+			L.SetAllImmobility(0)
 			L.SetSleeping(0)
 			L.SetUnconscious(0)
 			L.reagents.add_reagent(/datum/reagent/medicine/muscle_stimulant, CLAMP(5 - L.reagents.get_reagent_amount(/datum/reagent/medicine/muscle_stimulant), 0, 5))	//If you don't have legs or get bola'd, tough luck!
@@ -154,7 +153,7 @@
 	colorize(null)
 	active = FALSE
 
-/obj/item/hot_potato/update_icon()
+/obj/item/hot_potato/update_icon_state()
 	icon_state = active? icon_on : icon_off
 
 /obj/item/hot_potato/syndicate

code/game/objects/items/implants/implant_explosive.dm

@@ -78,7 +78,7 @@
 		return
 	if(message && imp_in.stat == CONSCIOUS)
 		imp_in.visible_message("<span class='warning'>[imp_in] doubles over in pain!</span>")
-	imp_in.Knockdown(140)
+	imp_in.DefaultCombatKnockdown(140)
 
 /obj/item/implant/explosive/proc/boom_goes_the_weasel()
 	explosion(get_turf(imp_in ? imp_in : src), heavy, medium, weak, weak, flame_range = weak)

code/game/objects/items/implants/implantcase.dm

@@ -10,18 +10,14 @@
 	throw_range = 5
 	w_class = WEIGHT_CLASS_TINY
 	custom_materials = list(/datum/material/glass=500)
-	var/obj/item/implant/imp = null
+	var/obj/item/implant/imp
 	var/imp_type
 
-
-/obj/item/implantcase/update_icon()
+/obj/item/implantcase/update_icon_state()
 	if(imp)
 		icon_state = "implantcase-[imp.item_color]"
-		reagents = imp.reagents
 	else
 		icon_state = "implantcase-0"
-		reagents = null
-
 
 /obj/item/implantcase/attackby(obj/item/W, mob/user, params)
 	if(istype(W, /obj/item/pen))
@@ -46,6 +42,7 @@
 			imp = I.imp
 			I.imp = null
 			update_icon()
+			reagents = imp.reagents
 			I.update_icon()
 		else
 			if(imp)
@@ -54,6 +51,7 @@
 				imp.forceMove(I)
 				I.imp = imp
 				imp = null
+				reagents = null
 				update_icon()
 			I.update_icon()
 

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

@@ -96,16 +96,17 @@
 		visible_message("<span class='warning'>[M] has been implanted by [src].</span>")
 		return TRUE
 
-/obj/machinery/implantchair/update_icon()
+/obj/machinery/implantchair/update_icon_state()
 	icon_state = initial(icon_state)
 	if(state_open)
 		icon_state += "_open"
 	if(occupant)
 		icon_state += "_occupied"
+
+/obj/machinery/implantchair/update_overlays()
+	. = ..()
 	if(ready)
-		add_overlay("ready")
-	else
-		cut_overlays()
+		. += "ready"
 
 /obj/machinery/implantchair/proc/replenish()
 	if(ready_implants < max_implants)

code/game/objects/items/implants/implanter.dm

@@ -14,13 +14,12 @@
 	var/imp_type = null
 
 
-/obj/item/implanter/update_icon()
+/obj/item/implanter/update_icon_state()
 	if(imp)
 		icon_state = "implanter1"
 	else
 		icon_state = "implanter0"
 
-
 /obj/item/implanter/attack(mob/living/M, mob/user)
 	if(!istype(M))
 		return

code/game/objects/items/implants/implantpad.dm

@@ -18,7 +18,7 @@
 	if(case)
 		. += "<span class='notice'>Alt-click [src] to remove the inserted implant case.</span>"
 
-/obj/item/implantpad/update_icon()
+/obj/item/implantpad/update_icon_state()
 	icon_state = "implantpad-[case ? TRUE : FALSE]"
 
 /obj/item/implantpad/AltClick(mob/user)

code/game/objects/items/inducer.dm

@@ -163,13 +163,14 @@
 	if(opened)
 		. += "<span class='notice'>Its battery compartment is open.</span>"
 
-/obj/item/inducer/update_icon()
-	cut_overlays()
-	if(opened)
-		if(!cell)
-			add_overlay("inducer-nobat")
-		else
-			add_overlay("inducer-bat")
+/obj/item/inducer/update_overlays()
+	. = ..()
+	if(!opened)
+		return
+	if(!cell)
+		. += "inducer-nobat"
+	else
+		. += "inducer-bat"
 
 /obj/item/inducer/sci
 	icon_state = "inducer-sci"

code/game/objects/items/kitchen.dm

@@ -138,6 +138,12 @@
 	throwforce = 15
 	custom_materials = null
 
+/obj/item/kitchen/knife/combat/bone/plastic
+	name = "plastic knife"
+	desc = "A plastic knife. Rather harmless to anything."
+	force = 1
+	bayonet = FALSE
+
 /obj/item/kitchen/knife/combat/cyborg
 	name = "cyborg knife"
 	icon = 'icons/obj/items_cyborg.dmi'

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

@@ -7,7 +7,6 @@
 	var/brightness_on = 3
 	total_mass = 0.4 //Survival flashlights typically weigh around 5 ounces.
 
-
 /obj/item/melee/transforming/energy/Initialize()
 	. = ..()
 	total_mass_on = (total_mass_on ? total_mass_on : (w_class_on * 0.75))
@@ -107,8 +106,12 @@
 
 /obj/item/melee/transforming/energy/sword/transform_weapon(mob/living/user, supress_message_text)
 	. = ..()
-	if(. && active && item_color)
-		icon_state = "sword[item_color]"
+	if(active)
+		if(. && item_color)
+			icon_state = "sword[item_color]"
+		AddElement(/datum/element/sword_point)
+	else
+		RemoveElement(/datum/element/sword_point)
 
 /obj/item/melee/transforming/energy/sword/hit_reaction(mob/living/carbon/human/owner, atom/movable/hitby, attack_text = "the attack", final_block_chance = 0, damage = 0, attack_type = MELEE_ATTACK)
 	if(active)
@@ -259,15 +262,14 @@
 	light_color = "#37FFF7"
 	actions_types = list()
 
+/obj/item/melee/transforming/energy/sword/cx/ComponentInitialize()
+	. = ..()
+	AddElement(/datum/element/update_icon_updates_onmob)
+
 /obj/item/melee/transforming/energy/sword/cx/alt_pre_attack(atom/A, mob/living/user, params)	//checks if it can do right click memes
 	altafterattack(A, user, TRUE, params)
 	return TRUE
 
-/obj/item/melee/transforming/energy/sword/cx/altafterattack(atom/target, mob/living/carbon/user, proximity_flag, click_parameters)	//does right click memes
-	if(istype(user))
-		user.visible_message("<span class='notice'>[user] points the tip of [src] at [target].</span>", "<span class='notice'>You point the tip of [src] at [target].</span>")
-	return TRUE
-
 /obj/item/melee/transforming/energy/sword/cx/transform_weapon(mob/living/user, supress_message_text)
 	active = !active				//I'd use a ..() here but it'd inherit from the regular esword's proc instead, so SPAGHETTI CODE
 	if(active)						//also I'd need to rip out the iconstate changing bits
@@ -301,7 +303,8 @@
 	if(!supress_message_text)
 		to_chat(user, "<span class='notice'>[src] [active ? "is now active":"can now be concealed"].</span>")
 
-/obj/item/melee/transforming/energy/sword/cx/update_icon()
+/obj/item/melee/transforming/energy/sword/cx/update_overlays()
+	. = ..()
 	var/mutable_appearance/blade_overlay = mutable_appearance(icon, "cxsword_blade")
 	var/mutable_appearance/gem_overlay = mutable_appearance(icon, "cxsword_gem")
 
@@ -309,15 +312,10 @@
 		blade_overlay.color = light_color
 		gem_overlay.color = light_color
 
-	cut_overlays()		//So that it doesn't keep stacking overlays non-stop on top of each other
-
-	add_overlay(gem_overlay)
+	. += gem_overlay
 
 	if(active)
-		add_overlay(blade_overlay)
-	if(ismob(loc))
-		var/mob/M = loc
-		M.update_inv_hands()
+		. += blade_overlay
 
 /obj/item/melee/transforming/energy/sword/cx/AltClick(mob/living/user)
 	. = ..()

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

@@ -73,6 +73,7 @@
 /obj/item/melee/sabre/Initialize()
 	. = ..()
 	AddComponent(/datum/component/butchering, 30, 95, 5) //fast and effective, but as a sword, it might damage the results.
+	AddElement(/datum/element/sword_point)
 
 /obj/item/melee/sabre/hit_reaction(mob/living/carbon/human/owner, atom/movable/hitby, attack_text = "the attack", final_block_chance = 0, damage = 0, attack_type = MELEE_ATTACK)
 	if(attack_type == PROJECTILE_ATTACK)
@@ -199,7 +200,7 @@
 	add_fingerprint(user)
 	if((HAS_TRAIT(user, TRAIT_CLUMSY)) && prob(50))
 		to_chat(user, "<span class ='danger'>You club yourself over the head.</span>")
-		user.Knockdown(60 * force)
+		user.DefaultCombatKnockdown(60 * force)
 		if(ishuman(user))
 			var/mob/living/carbon/human/H = user
 			H.apply_damage(2*force, BRUTE, BODY_ZONE_HEAD)
@@ -224,7 +225,7 @@
 				if(check_martial_counter(H, user))
 					return
 			playsound(get_turf(src), 'sound/effects/woodhit.ogg', 75, 1, -1)
-			target.Knockdown(softstun_ds, TRUE, FALSE, hardstun_ds, stam_dmg)
+			target.DefaultCombatKnockdown(softstun_ds, TRUE, FALSE, hardstun_ds, stam_dmg)
 			log_combat(user, target, "stunned", src)
 			src.add_fingerprint(user)
 			target.visible_message("<span class ='danger'>[user] has knocked down [target] with [src]!</span>", \
@@ -453,12 +454,10 @@
 		held_sausage = null
 	update_icon()
 
-/obj/item/melee/roastingstick/update_icon()
+/obj/item/melee/roastingstick/update_overlays()
 	. = ..()
-	cut_overlays()
 	if (held_sausage)
-		var/mutable_appearance/sausage = mutable_appearance(icon, "roastingstick_sausage")
-		add_overlay(sausage)
+		. += mutable_appearance(icon, "roastingstick_sausage")
 
 /obj/item/melee/roastingstick/proc/extend(user)
 	to_chat(user, "<span class ='warning'>You extend [src].</span>")
@@ -516,7 +515,7 @@
 	item_state = "mace_greyscale"
 	lefthand_file = 'icons/mob/inhands/weapons/melee_lefthand.dmi'
 	righthand_file = 'icons/mob/inhands/weapons/melee_righthand.dmi'
-	material_flags = MATERIAL_ADD_PREFIX | MATERIAL_COLOR //Material type changes the prefix as well as the color.
+	material_flags = MATERIAL_ADD_PREFIX | MATERIAL_COLOR | MATERIAL_AFFECT_STATISTICS //Material type changes the prefix as well as the color.
 	custom_materials = list(/datum/material/iron = 12000)  //Defaults to an Iron Mace.
 	slot_flags = ITEM_SLOT_BELT
 	force = 14

code/game/objects/items/pet_carrier.dm

@@ -143,14 +143,16 @@
 		update_icon()
 		remove_occupant(user)
 
-/obj/item/pet_carrier/update_icon()
-	cut_overlay("unlocked")
-	cut_overlay("locked")
+/obj/item/pet_carrier/update_icon_state()
 	if(open)
 		icon_state = initial(icon_state)
 	else
 		icon_state = "pet_carrier_[!occupants.len ? "closed" : "occupied"]"
-		add_overlay("[locked ? "" : "un"]locked")
+
+/obj/item/pet_carrier/update_overlays()
+	. = ..()
+	if(!open)
+		. += "[locked ? "" : "un"]locked"
 
 /obj/item/pet_carrier/MouseDrop(atom/over_atom)
 	if(isopenturf(over_atom) && usr.canUseTopic(src, BE_CLOSE, ismonkey(usr)) && usr.Adjacent(over_atom) && open && occupants.len)

code/game/objects/items/pinpointer.dm

@@ -49,29 +49,29 @@
 /obj/item/pinpointer/proc/scan_for_target()
 	return
 
-/obj/item/pinpointer/update_icon()
-	cut_overlays()
+/obj/item/pinpointer/update_overlays()
+	. = ..()
 	if(!active)
 		return
 	if(!target)
-		add_overlay("pinon[alert ? "alert" : ""]null")
+		. += "pinon[alert ? "alert" : ""]null"
 		return
 	var/turf/here = get_turf(src)
 	var/turf/there = get_turf(target)
 	if(!here || !there || here.z != there.z)
-		add_overlay("pinon[alert ? "alert" : ""]null")
+		. += "pinon[alert ? "alert" : ""]null"
 		return
 	if(get_dist_euclidian(here,there) <= minimum_range)
-		add_overlay("pinon[alert ? "alert" : ""]direct")
+		. += "pinon[alert ? "alert" : ""]direct"
 	else
 		setDir(get_dir(here, there))
 		switch(get_dist(here, there))
 			if(1 to 8)
-				add_overlay("pinon[alert ? "alert" : "close"]")
+				. += "pinon[alert ? "alert" : "close"]"
 			if(9 to 16)
-				add_overlay("pinon[alert ? "alert" : "medium"]")
+				. += "pinon[alert ? "alert" : "medium"]"
 			if(16 to INFINITY)
-				add_overlay("pinon[alert ? "alert" : "far"]")
+				. += "pinon[alert ? "alert" : "far"]"
 
 /obj/item/pinpointer/crew // A replacement for the old crew monitoring consoles
 	name = "crew pinpointer"

code/game/objects/items/plushes.dm

@@ -37,7 +37,9 @@
 /obj/item/toy/plush/random_snowflake/Initialize(mapload, set_snowflake_id)
 	. = ..()
 	var/list/configlist = CONFIG_GET(keyed_list/snowflake_plushies)
-	var/id = pick(configlist)
+	var/id = safepick(configlist)
+	if(!id)
+		return
 	set_snowflake_from_config(id)
 
 /obj/item/toy/plush/Initialize(mapload, set_snowflake_id)

code/game/objects/items/pneumaticCannon.dm

@@ -168,7 +168,7 @@
 	if(pressureSetting >= 3 && iscarbon(user))
 		var/mob/living/carbon/C = user
 		C.visible_message("<span class='warning'>[C] is thrown down by the force of the cannon!</span>", "<span class='userdanger'>[src] slams into your shoulder, knocking you down!")
-		C.Knockdown(60)
+		C.DefaultCombatKnockdown(60)
 
 /obj/item/pneumatic_cannon/proc/fire_items(turf/target, mob/user)
 	if(fire_mode == PCANNON_FIREALL)
@@ -241,11 +241,11 @@
 		tank = thetank
 	update_icon()
 
-/obj/item/pneumatic_cannon/update_icon()
-	cut_overlays()
+/obj/item/pneumatic_cannon/update_overlays()
+	. = ..()
 	if(!tank)
 		return
-	add_overlay(tank.icon_state)
+	. += tank.icon_state
 
 /obj/item/pneumatic_cannon/proc/fill_with_type(type, amount)
 	if(!ispath(type, /obj) && !ispath(type, /mob))

code/game/objects/items/religion.dm

@@ -64,8 +64,7 @@
 /obj/item/banner/proc/inspiration(mob/living/carbon/human/H)
 	H.adjustBruteLoss(-15)
 	H.adjustFireLoss(-15)
-	H.AdjustStun(-40)
-	H.AdjustKnockdown(-40)
+	H.AdjustAllImmobility(-40)
 	H.AdjustUnconscious(-40)
 	playsound(H, 'sound/magic/staff_healing.ogg', 25, FALSE)
 

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

@@ -20,7 +20,7 @@
 			return
 
 	user.do_attack_animation(M)
-	M.Knockdown(100)
+	M.DefaultCombatKnockdown(100)
 	M.apply_effect(EFFECT_STUTTER, 5)
 
 	M.visible_message("<span class='danger'>[user] has prodded [M] with [src]!</span>", \
@@ -81,8 +81,7 @@
 						user.visible_message("<span class='notice'>[user] hugs [M] to make [M.p_them()] feel better!</span>", \
 								"<span class='notice'>You hug [M] to make [M.p_them()] feel better!</span>")
 					if(M.resting && !M.recoveringstam)
-						M.resting = FALSE
-						M.update_canmove()
+						M.set_resting(FALSE, TRUE)
 				else
 					user.visible_message("<span class='notice'>[user] pets [M]!</span>", \
 							"<span class='notice'>You pet [M]!</span>")
@@ -100,9 +99,8 @@
 					else
 						user.visible_message("<span class='warning'>[user] hugs [M] in a firm bear-hug! [M] looks uncomfortable...</span>", \
 								"<span class='warning'>You hug [M] firmly to make [M.p_them()] feel better! [M] looks uncomfortable...</span>")
-					if(M.resting && !M.recoveringstam)
-						M.resting = FALSE
-						M.update_canmove()
+					if(!CHECK_MOBILITY(M, MOBILITY_STAND) && !M.recoveringstam)
+						M.set_resting(FALSE, TRUE)
 				else
 					user.visible_message("<span class='warning'>[user] bops [M] on the head!</span>", \
 							"<span class='warning'>You bop [M] on the head!</span>")
@@ -114,7 +112,6 @@
 						M.electrocute_act(5, "[user]", safety = 1)
 						user.visible_message("<span class='userdanger'>[user] electrocutes [M] with [user.p_their()] touch!</span>", \
 							"<span class='danger'>You electrocute [M] with your touch!</span>")
-						M.update_canmove()
 					else
 						if(!iscyborg(M))
 							M.adjustFireLoss(10)
@@ -154,11 +151,7 @@
 	var/static/list/charge_machines = typecacheof(list(/obj/machinery/cell_charger, /obj/machinery/recharger, /obj/machinery/recharge_station, /obj/machinery/mech_bay_recharge_port))
 	var/static/list/charge_items = typecacheof(list(/obj/item/stock_parts/cell, /obj/item/gun/energy))
 
-/obj/item/borg/charger/Initialize()
-	. = ..()
-
-/obj/item/borg/charger/update_icon()
-	..()
+/obj/item/borg/charger/update_icon_state()
 	icon_state = "charger_[mode]"
 
 /obj/item/borg/charger/attack_self(mob/user)
@@ -330,7 +323,7 @@
 					C.stuttering += 10
 					C.Jitter(10)
 				if(2)
-					C.Knockdown(40)
+					C.DefaultCombatKnockdown(40)
 					C.confused += 10
 					C.stuttering += 15
 					C.Jitter(25)
@@ -596,7 +589,7 @@
 	update_icon()
 	to_chat(user, "<span class='boldnotice'>You [active? "activate":"deactivate"] [src].</span>")
 
-/obj/item/borg/projectile_dampen/update_icon()
+/obj/item/borg/projectile_dampen/update_icon_state()
 	icon_state = "[initial(icon_state)][active]"
 
 /obj/item/borg/projectile_dampen/proc/activate_field()

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

@@ -39,20 +39,20 @@
 	chest.cell = new /obj/item/stock_parts/cell/high/plus(chest)
 	..()
 
-/obj/item/robot_suit/update_icon()
-	cut_overlays()
+/obj/item/robot_suit/update_overlays()
+	. = ..()
 	if(l_arm)
-		add_overlay("[l_arm.icon_state]+o")
+		. += "[l_arm.icon_state]+o"
 	if(r_arm)
-		add_overlay("[r_arm.icon_state]+o")
+		. += "[r_arm.icon_state]+o"
 	if(chest)
-		add_overlay("[chest.icon_state]+o")
+		. += "[chest.icon_state]+o"
 	if(l_leg)
-		add_overlay("[l_leg.icon_state]+o")
+		. += "[l_leg.icon_state]+o"
 	if(r_leg)
-		add_overlay("[r_leg.icon_state]+o")
+		. += "[r_leg.icon_state]+o"
 	if(head)
-		add_overlay("[head.icon_state]+o")
+		. += "[head.icon_state]+o"
 
 /obj/item/robot_suit/proc/check_completion()
 	if(src.l_arm && src.r_arm)
@@ -317,8 +317,7 @@
 			O.robot_suit = src
 
 			if(!locomotion)
-				O.lockcharge = 1
-				O.update_canmove()
+				O.SetLockdown(TRUE)
 				to_chat(O, "<span class='warning'>Error: Servo motors unresponsive.</span>")
 
 		else
@@ -356,8 +355,7 @@
 			forceMove(O)
 			O.robot_suit = src
 			if(!locomotion)
-				O.lockcharge = TRUE
-				O.update_canmove()
+				O.SetLockdown(TRUE)
 
 	else if(istype(W, /obj/item/pen))
 		to_chat(user, "<span class='warning'>You need to use a multitool to name [src]!</span>")

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

@@ -364,12 +364,9 @@
 		to_chat(toggle_action.owner, "<span class='notice'>You activate the self-repair module.</span>")
 		activate_sr()
 
-/obj/item/borg/upgrade/selfrepair/update_icon()
+/obj/item/borg/upgrade/selfrepair/update_icon_state()
 	if(toggle_action)
 		icon_state = "selfrepair_[on ? "on" : "off"]"
-		for(var/X in actions)
-			var/datum/action/A = X
-			A.UpdateButtonIcon()
 	else
 		icon_state = "cyborg_upgrade5"
 
@@ -580,7 +577,7 @@
 			return FALSE
 
 		R.notransform = TRUE
-		var/prev_lockcharge = R.lockcharge
+		var/prev_locked_down = R.locked_down
 		R.SetLockdown(1)
 		R.anchored = TRUE
 		var/datum/effect_system/smoke_spread/smoke = new
@@ -590,7 +587,7 @@
 		for(var/i in 1 to 4)
 			playsound(R, pick('sound/items/drill_use.ogg', 'sound/items/jaws_cut.ogg', 'sound/items/jaws_pry.ogg', 'sound/items/welder.ogg', 'sound/items/ratchet.ogg'), 80, 1, -1)
 			sleep(12)
-		if(!prev_lockcharge)
+		if(!prev_locked_down)
 			R.SetLockdown(0)
 		R.anchored = FALSE
 		R.notransform = FALSE

code/game/objects/items/shields.dm

@@ -237,3 +237,19 @@
 	w_class = WEIGHT_CLASS_HUGE
 	item_flags = SLOWS_WHILE_IN_HAND
 	transparent = FALSE
+
+/obj/item/shield/riot/implant
+	name = "riot tower shield"
+	desc = "A massive shield that can block a lot of attacks and can take a lot of abuse before breaking." //It cant break unless it is removed from the implant
+	item_state = "metal"
+	icon_state = "metal"
+	icon = 'icons/obj/items_and_weapons.dmi'
+	block_chance = 30 //May be big but hard to move around to block.
+	slowdown = 1
+	transparent = FALSE
+	item_flags = SLOWS_WHILE_IN_HAND
+
+/obj/item/shield/riot/implant/hit_reaction(mob/living/carbon/human/owner, atom/movable/hitby, attack_text = "the attack", final_block_chance = 0, damage = 0, attack_type = MELEE_ATTACK)
+	if(attack_type == PROJECTILE_ATTACK)
+		final_block_chance = 60 //Massive shield
+	return ..()

code/game/objects/items/singularityhammer.dm

@@ -31,7 +31,7 @@
 		charged++
 	return
 
-/obj/item/twohanded/singularityhammer/update_icon()  //Currently only here to fuck with the on-mob icons.
+/obj/item/twohanded/singularityhammer/update_icon_state()  //Currently only here to fuck with the on-mob icons.
 	icon_state = "mjollnir[wielded]"
 	return
 
@@ -110,6 +110,6 @@
 	if(isliving(hit_atom))
 		shock(hit_atom)
 
-/obj/item/twohanded/mjollnir/update_icon()  //Currently only here to fuck with the on-mob icons.
+/obj/item/twohanded/mjollnir/update_icon_state()  //Currently only here to fuck with the on-mob icons.
 	icon_state = "mjollnir[wielded]"
 	return

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

@@ -35,9 +35,9 @@ GLOBAL_LIST_INIT(rod_recipes, list ( \
 	. = ..()
 	. += GLOB.rod_recipes
 
-/obj/item/stack/rods/update_icon()
+/obj/item/stack/rods/update_icon_state()
 	var/amount = get_amount()
-	if((amount <= 5) && (amount > 0))
+	if(amount <= 5)
 		icon_state = "rods-[amount]"
 	else
 		icon_state = "rods"
@@ -77,8 +77,9 @@ GLOBAL_LIST_INIT(rod_recipes, list ( \
 	is_cyborg = 1
 	cost = 250
 
-/obj/item/stack/rods/cyborg/update_icon()
-	return
+/obj/item/stack/rods/cyborg/ComponentInitialize()
+	. = ..()
+	AddElement(/datum/element/update_icon_blocker)
 
 /obj/item/stack/rods/ten
 	amount = 10

code/game/objects/items/stacks/sheets/sheet_types.dm

@@ -33,6 +33,12 @@ GLOBAL_LIST_INIT(metal_recipes, list ( \
 		new /datum/stack_recipe("sofa (corner)", /obj/structure/chair/sofa/corner, one_per_turf = TRUE, on_floor = TRUE), \
 		)), \
 	//END OF CIT CHANGES
+	new/datum/stack_recipe_list("fancy sofas", list( \
+		new /datum/stack_recipe("sofa (middle)", /obj/structure/chair/sofa/corp, one_per_turf = TRUE, on_floor = TRUE), \
+		new /datum/stack_recipe("sofa (left)", /obj/structure/chair/sofa/corp/left, one_per_turf = TRUE, on_floor = TRUE), \
+		new /datum/stack_recipe("sofa (right)", /obj/structure/chair/sofa/corp/right, one_per_turf = TRUE, on_floor = TRUE), \
+		new /datum/stack_recipe("sofa (corner)", /obj/structure/chair/sofa/corp/corner, one_per_turf = TRUE, on_floor = TRUE), \
+		)), \
 	null, \
 	new/datum/stack_recipe_list("office chairs", list( \
 		new/datum/stack_recipe("dark office chair", /obj/structure/chair/office/dark, 5, one_per_turf = TRUE, on_floor = TRUE), \
@@ -42,8 +48,10 @@ GLOBAL_LIST_INIT(metal_recipes, list ( \
 		new/datum/stack_recipe("beige comfy chair", /obj/structure/chair/comfy/beige, 2, one_per_turf = TRUE, on_floor = TRUE), \
 		new/datum/stack_recipe("black comfy chair", /obj/structure/chair/comfy/black, 2, one_per_turf = TRUE, on_floor = TRUE), \
 		new/datum/stack_recipe("brown comfy chair", /obj/structure/chair/comfy/brown, 2, one_per_turf = TRUE, on_floor = TRUE), \
+		new/datum/stack_recipe("green comfy chair", /obj/structure/chair/comfy/green, 2, one_per_turf = TRUE, on_floor = TRUE), \
 		new/datum/stack_recipe("lime comfy chair", /obj/structure/chair/comfy/lime, 2, one_per_turf = TRUE, on_floor = TRUE), \
 		new/datum/stack_recipe("teal comfy chair", /obj/structure/chair/comfy/teal, 2, one_per_turf = TRUE, on_floor = TRUE), \
+		new/datum/stack_recipe("purple comfy chair", /obj/structure/chair/comfy/purple, 2, one_per_turf = TRUE, on_floor = TRUE), \
 		)), \
 	null, \
 	new/datum/stack_recipe("rack parts", /obj/item/rack_parts), \
@@ -96,6 +104,21 @@ GLOBAL_LIST_INIT(metal_recipes, list ( \
 	new/datum/stack_recipe("extinguisher cabinet frame", /obj/item/wallframe/extinguisher_cabinet, 2), \
 	new/datum/stack_recipe("button frame", /obj/item/wallframe/button, 1), \
 	null, \
+	new /datum/stack_recipe_list("chess pieces", list( \
+		new /datum/stack_recipe("White Pawn", /obj/structure/chess/whitepawn, 2, time = 10, one_per_turf = 1, on_floor = 1), \
+		new /datum/stack_recipe("White Rook", /obj/structure/chess/whiterook, 2, time = 10, one_per_turf = 1, on_floor = 1), \
+		new /datum/stack_recipe("White Knight", /obj/structure/chess/whiteknight, 2, time = 10, one_per_turf = 1, on_floor = 1), \
+		new /datum/stack_recipe("White Bishop", /obj/structure/chess/whitebishop, 2, time = 10, one_per_turf = 1, on_floor = 1), \
+		new /datum/stack_recipe("White Queen", /obj/structure/chess/whitequeen, 2, time = 10, one_per_turf = 1, on_floor = 1), \
+		new /datum/stack_recipe("White King", /obj/structure/chess/whiteking, 2, time = 10, one_per_turf = 1, on_floor = 1), \
+		new /datum/stack_recipe("Black Pawn", /obj/structure/chess/blackpawn, 2, time = 10, one_per_turf = 1, on_floor = 1), \
+		new /datum/stack_recipe("Black Rook", /obj/structure/chess/blackrook, 2, time = 10, one_per_turf = 1, on_floor = 1), \
+		new /datum/stack_recipe("Black Knight", /obj/structure/chess/blackknight, 2, time = 10, one_per_turf = 1, on_floor = 1), \
+		new /datum/stack_recipe("Black Bishop", /obj/structure/chess/blackbishop, 2, time = 10, one_per_turf = 1, on_floor = 1), \
+		new /datum/stack_recipe("Black Queen", /obj/structure/chess/blackqueen, 2, time = 10, one_per_turf = 1, on_floor = 1), \
+		new /datum/stack_recipe("Black King", /obj/structure/chess/blackking, 2, time = 10, one_per_turf = 1, on_floor = 1), \
+	)), \
+	null, \
 	new/datum/stack_recipe("iron door", /obj/structure/mineral_door/iron, 20, one_per_turf = TRUE, on_floor = TRUE), \
 	new/datum/stack_recipe("floodlight frame", /obj/structure/floodlight_frame, 5, one_per_turf = TRUE, on_floor = TRUE), \
 ))
@@ -360,6 +383,7 @@ GLOBAL_LIST_INIT(cloth_recipes, list ( \
 	new/datum/stack_recipe("black gloves", /obj/item/clothing/gloves/color/black, 3), \
 	null, \
 	new/datum/stack_recipe("blindfold", /obj/item/clothing/glasses/sunglasses/blindfold, 2), \
+	null, \
 	))
 
 /obj/item/stack/sheet/cloth
@@ -394,12 +418,12 @@ GLOBAL_LIST_INIT(cloth_recipes, list ( \
 	new/datum/stack_recipe("white jumpsuit", /obj/item/clothing/under/color/white, 4, time = 40), \
 	new/datum/stack_recipe("white gloves", /obj/item/clothing/gloves/color/white, 2, time = 40), \
 	null, \
-	new/datum/stack_recipe("silk string", /obj/item/weaponcrafting/silkstring, 2, time = 40), \
+	new/datum/stack_recipe("silk string", /obj/item/weaponcrafting/silkstring, 1, time = 40), \
 	))
 
 /obj/item/stack/sheet/silk
 	name = "silk"
-	desc = "A long soft material. This one is just made out of cotton rather then any spiders or wyrms"
+	desc = "A long, soft material. Made out of refined cotton, instead of relying on the habits of spiders or silkworms."
 	singular_name = "silk sheet"
 	icon_state = "sheet-silk"
 	item_state = "sheet-cloth"
@@ -751,6 +775,7 @@ GLOBAL_LIST_INIT(plastic_recipes, list(
 	new /datum/stack_recipe("opaque plastic flaps", /obj/structure/plasticflaps/opaque, 5, one_per_turf = TRUE, on_floor = TRUE, time = 40), \
 	new /datum/stack_recipe("water bottle", /obj/item/reagent_containers/glass/beaker/waterbottle/empty), \
 	new /datum/stack_recipe("large water bottle", /obj/item/reagent_containers/glass/beaker/waterbottle/large/empty,3), \
+	new /datum/stack_recipe("shower curtain", /obj/structure/curtain, 10, time = 10, one_per_turf = 1, on_floor = 1), \
 	new /datum/stack_recipe("wet floor sign", /obj/item/caution, 2)))
 
 /obj/item/stack/sheet/plastic
@@ -803,6 +828,7 @@ new /datum/stack_recipe("paper frame door", /obj/structure/mineral_door/paperfra
 /obj/item/stack/sheet/cotton
 	name = "raw cotton bundle"
 	desc = "A bundle of raw cotton ready to be spun on the loom."
+	max_amount = 80
 	singular_name = "raw cotton ball"
 	icon_state = "sheet-cotton"
 	is_fabric = TRUE

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

@@ -48,7 +48,7 @@
 		merge_type = type
 	if(custom_materials && custom_materials.len)
 		for(var/i in custom_materials)
-			custom_materials[getmaterialref(i)] = mats_per_stack * amount
+			custom_materials[SSmaterials.GetMaterialRef(i)] = mats_per_stack * amount
 	. = ..()
 	if(merge)
 		for(var/obj/item/stack/S in loc)
@@ -57,7 +57,7 @@
 	var/list/temp_recipes = get_main_recipes()
 	recipes = temp_recipes.Copy()
 	if(material_type)
-		var/datum/material/M = getmaterialref(material_type) //First/main material
+		var/datum/material/M = SSmaterials.GetMaterialRef(material_type) //First/main material
 		for(var/i in M.categories)
 			switch(i)
 				if(MAT_CATEGORY_RIGID)
@@ -77,16 +77,15 @@
 	else
 		w_class = full_w_class
 
-/obj/item/stack/update_icon()
+/obj/item/stack/update_icon_state()
 	if(novariants)
-		return ..()
+		return
 	if(amount <= (max_amount * (1/3)))
 		icon_state = initial(icon_state)
 	else if (amount <= (max_amount * (2/3)))
 		icon_state = "[initial(icon_state)]_2"
 	else
 		icon_state = "[initial(icon_state)]_3"
-	..()
 
 
 /obj/item/stack/Destroy()
@@ -226,7 +225,7 @@
 		if(R.applies_mats && custom_materials && custom_materials.len)
 			var/list/used_materials = list()
 			for(var/i in custom_materials)
-				used_materials[getmaterialref(i)] = R.req_amount / R.res_amount * (MINERAL_MATERIAL_AMOUNT / custom_materials.len)
+				used_materials[SSmaterials.GetMaterialRef(i)] = R.req_amount / R.res_amount * (MINERAL_MATERIAL_AMOUNT / custom_materials.len)
 			O.set_custom_materials(used_materials)
 
 		//START: oh fuck i'm so sorry
@@ -348,7 +347,7 @@
 		src.amount += amount
 	if(custom_materials && custom_materials.len)
 		for(var/i in custom_materials)
-			custom_materials[getmaterialref(i)] = MINERAL_MATERIAL_AMOUNT * src.amount
+			custom_materials[SSmaterials.GetMaterialRef(i)] = MINERAL_MATERIAL_AMOUNT * src.amount
 		set_custom_materials() //Refresh
 	update_icon()
 	update_weight()

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

@@ -57,14 +57,16 @@
 	playsound(loc, 'sound/items/eatfood.ogg', 50, 1, -1)
 	return (TOXLOSS)
 
-/obj/item/storage/bag/trash/update_icon()
-	if(contents.len == 0)
-		icon_state = "[initial(icon_state)]"
-	else if(contents.len < 12)
-		icon_state = "[initial(icon_state)]1"
-	else if(contents.len < 21)
-		icon_state = "[initial(icon_state)]2"
-	else icon_state = "[initial(icon_state)]3"
+/obj/item/storage/bag/trash/update_icon_state()
+	switch(contents.len)
+		if(0)
+			icon_state = "[initial(icon_state)]"
+		if(0 to 11)
+			icon_state = "[initial(icon_state)]1"
+		if(11 to 20)
+			icon_state = "[initial(icon_state)]2"
+		else
+			icon_state = "[initial(icon_state)]3"
 
 /obj/item/storage/bag/trash/cyborg
 	insertable = FALSE
@@ -244,7 +246,8 @@
 	set name = "Activate Seed Extraction"
 	set category = "Object"
 	set desc = "Activate to convert your plants into plantable seeds."
-	if(usr.stat || !usr.canmove || usr.restrained())
+	var/mob/living/L = usr
+	if(istype(L) && !CHECK_MOBILITY(L, MOBILITY_USE))
 		return
 	for(var/obj/item/O in contents)
 		seedify(O, 1)
@@ -327,6 +330,8 @@
 /obj/item/storage/bag/tray/ComponentInitialize()
 	. = ..()
 	var/datum/component/storage/STR = GetComponent(/datum/component/storage)
+	STR.max_w_class = WEIGHT_CLASS_NORMAL
+	STR.can_hold = typecacheof(list(/obj/item/reagent_containers/food, /obj/item/reagent_containers/glass, /datum/reagent/consumable, /obj/item/kitchen/knife, /obj/item/kitchen/rollingpin, /obj/item/kitchen/fork, /obj/item/storage/box)) //Should cover: Bottles, Beakers, Bowls, Booze, Glasses, Food, Kitchen Tools, and ingredient boxes.
 	STR.insert_preposition = "on"
 
 /obj/item/storage/bag/tray/attack(mob/living/M, mob/living/user)
@@ -349,13 +354,16 @@
 
 	if(ishuman(M) || ismonkey(M))
 		if(prob(10))
-			M.Knockdown(40)
+			M.DefaultCombatKnockdown(40)
 	update_icon()
 
-/obj/item/storage/bag/tray/update_icon()
-	cut_overlays()
+/obj/item/storage/bag/tray/update_overlays()
+	. = ..()
 	for(var/obj/item/I in contents)
-		add_overlay(new /mutable_appearance(I))
+		var/mutable_appearance/I_copy = new(I)
+		I_copy.plane = FLOAT_PLANE
+		I_copy.layer = FLOAT_LAYER
+		. += I_copy
 
 /obj/item/storage/bag/tray/Entered()
 	. = ..()

code/game/objects/items/storage/belt.dm

@@ -10,23 +10,21 @@
 	attack_verb = list("whipped", "lashed", "disciplined")
 	max_integrity = 300
 	var/content_overlays = FALSE //If this is true, the belt will gain overlays based on what it's holding
-	var/worn_overlays = FALSE //worn counterpart of the above.
+	var/onmob_overlays = FALSE //worn counterpart of the above.
 
 /obj/item/storage/belt/suicide_act(mob/living/carbon/user)
 	user.visible_message("<span class='suicide'>[user] begins belting [user.p_them()]self with \the [src]! It looks like [user.p_theyre()] trying to commit suicide!</span>")
 	return BRUTELOSS
 
-/obj/item/storage/belt/update_icon()
-	cut_overlays()
+/obj/item/storage/belt/update_overlays()
+	. = ..()
 	if(content_overlays)
 		for(var/obj/item/I in contents)
-			var/mutable_appearance/M = I.get_belt_overlay()
-			add_overlay(M)
-	..()
+			. += I.get_belt_overlay()
 
 /obj/item/storage/belt/worn_overlays(isinhands, icon_file, style_flags = NONE)
 	. = ..()
-	if(!isinhands && worn_overlays)
+	if(!isinhands && onmob_overlays)
 		for(var/obj/item/I in contents)
 			. += I.get_worn_belt_overlay(icon_file)
 
@@ -34,6 +32,11 @@
 	. = ..()
 	update_icon()
 
+/obj/item/storage/belt/ComponentInitialize()
+	. = ..()
+	if(onmob_overlays)
+		AddElement(/datum/element/update_icon_updates_onmob)
+
 /obj/item/storage/belt/utility
 	name = "toolbelt" //Carn: utility belt is nicer, but it bamboozles the text parsing.
 	desc = "Holds tools."
@@ -769,7 +772,7 @@
 	item_state = "sheath"
 	w_class = WEIGHT_CLASS_BULKY
 	content_overlays = TRUE
-	worn_overlays = TRUE
+	onmob_overlays = TRUE
 	var/list/fitting_swords = list(/obj/item/melee/sabre, /obj/item/melee/baton/stunsword)
 	var/starting_sword = /obj/item/melee/sabre
 
@@ -787,12 +790,6 @@
 	if(length(contents))
 		. += "<span class='notice'>Alt-click it to quickly draw the blade.</span>"
 
-/obj/item/storage/belt/sabre/update_icon()
-	. = ..()
-	if(isliving(loc))
-		var/mob/living/L = loc
-		L.regenerate_icons()
-
 /obj/item/storage/belt/sabre/PopulateContents()
 	new starting_sword(src)
 

code/game/objects/items/storage/boxes.dm

@@ -50,11 +50,10 @@
 	user.visible_message("<span class='suicide'>[user] beating [user.p_them()]self with \the [src]! It looks like [user.p_theyre()] trying to commit suicide!</span>")
 	return BRUTELOSS
 
-/obj/item/storage/box/update_icon()
+/obj/item/storage/box/update_overlays()
 	. = ..()
 	if(illustration)
-		cut_overlays()
-		add_overlay(illustration)
+		. += illustration
 
 /obj/item/storage/box/attack_self(mob/user)
 	..()
@@ -866,10 +865,11 @@
 	foldable = null
 	var/design = NODESIGN
 
-/obj/item/storage/box/papersack/update_icon()
+/obj/item/storage/box/papersack/update_icon_state()
 	if(contents.len == 0)
 		icon_state = "[item_state]"
-	else icon_state = "[item_state]_closed"
+	else
+		icon_state = "[item_state]_closed"
 
 /obj/item/storage/box/papersack/attackby(obj/item/W, mob/user, params)
 	if(istype(W, /obj/item/pen))

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

@@ -30,7 +30,7 @@
 	for(var/i = 1 to STR.max_items)
 		new spawn_type(src)
 
-/obj/item/storage/fancy/update_icon()
+/obj/item/storage/fancy/update_icon_state()
 	if(fancy_open)
 		icon_state = "[icon_type]box[contents.len]"
 	else
@@ -160,30 +160,31 @@
 		to_chat(user, "<span class='notice'>There are no [icon_type]s left in the pack.</span>")
 	return TRUE
 
-/obj/item/storage/fancy/cigarettes/update_icon()
-	if(fancy_open || !contents.len)
-		cut_overlays()
-		if(!contents.len)
-			icon_state = "[initial(icon_state)]_empty"
+/obj/item/storage/fancy/cigarettes/update_icon_state()
+	if(!contents.len)
+		icon_state = "[initial(icon_state)]_empty"
+	else if(fancy_open)
+		icon_state = initial(icon_state)
+
+/obj/item/storage/fancy/cigarettes/update_overlays()
+	. = ..()
+	if(!fancy_open || !contents.len)
+		return
+	. += "[icon_state]_open"
+	var/cig_position = 1
+	for(var/C in contents)
+		var/mutable_appearance/inserted_overlay = mutable_appearance(icon)
+
+		if(istype(C, /obj/item/lighter/greyscale))
+			inserted_overlay.icon_state = "lighter_in"
+		else if(istype(C, /obj/item/lighter))
+			inserted_overlay.icon_state = "zippo_in"
 		else
-			icon_state = initial(icon_state)
-			add_overlay("[icon_state]_open")
-			var/cig_position = 1
-			for(var/C in contents)
-				var/mutable_appearance/inserted_overlay = mutable_appearance(icon)
+			inserted_overlay.icon_state = "cigarette"
 
-				if(istype(C, /obj/item/lighter/greyscale))
-					inserted_overlay.icon_state = "lighter_in"
-				else if(istype(C, /obj/item/lighter))
-					inserted_overlay.icon_state = "zippo_in"
-				else
-					inserted_overlay.icon_state = "cigarette"
-
-				inserted_overlay.icon_state = "[inserted_overlay.icon_state]_[cig_position]"
-				add_overlay(inserted_overlay)
-				cig_position++
-	else
-		cut_overlays()
+		inserted_overlay.icon_state = "[inserted_overlay.icon_state]_[cig_position]"
+		. += inserted_overlay
+		cig_position++
 
 /obj/item/storage/fancy/cigarettes/attack(mob/living/carbon/M as mob, mob/living/carbon/user as mob)
 	if(!ismob(M))
@@ -282,10 +283,10 @@
 	STR.max_items = 10
 	STR.can_hold = typecacheof(list(/obj/item/rollingpaper))
 
-/obj/item/storage/fancy/rollingpapers/update_icon()
-	cut_overlays()
+/obj/item/storage/fancy/rollingpapers/update_overlays()
+	. = ..()
 	if(!contents.len)
-		add_overlay("[icon_state]_empty")
+		. += "[icon_state]_empty"
 
 /////////////
 //CIGAR BOX//
@@ -306,21 +307,23 @@
 	STR.max_items = 5
 	STR.can_hold = typecacheof(list(/obj/item/clothing/mask/cigarette/cigar))
 
-/obj/item/storage/fancy/cigarettes/cigars/update_icon()
-	cut_overlays()
+/obj/item/storage/fancy/cigarettes/cigars/update_icon_state()
 	if(fancy_open)
 		icon_state = "[initial(icon_state)]_open"
-
-		var/cigar_position = 0 //to keep track of the pixel_x offset of each new overlay.
-		for(var/obj/item/clothing/mask/cigarette/cigar/smokes in contents)
-			var/mutable_appearance/cigar_overlay = mutable_appearance(icon, "[smokes.icon_off]")
-			cigar_overlay.pixel_x = 3 * cigar_position
-			add_overlay(cigar_overlay)
-			cigar_position++
-
 	else
 		icon_state = "[initial(icon_state)]"
 
+/obj/item/storage/fancy/cigarettes/cigars/update_overlays()
+	. = ..()
+	if(!fancy_open)
+		return
+	var/cigar_position = 0 //to keep track of the pixel_x offset of each new overlay.
+	for(var/obj/item/clothing/mask/cigarette/cigar/smokes in contents)
+		var/mutable_appearance/cigar_overlay = mutable_appearance(icon, "[smokes.icon_off]")
+		cigar_overlay.pixel_x = 3 * cigar_position
+		. += cigar_overlay
+		cigar_position++
+
 /obj/item/storage/fancy/cigarettes/cigars/cohiba
 	name = "\improper Cohiba Robusto cigar case"
 	desc = "A case of imported Cohiba cigars, renowned for their strong flavor."
@@ -382,4 +385,4 @@
 	icon_state = "silver ringbox"
 	icon_type = "silver ring"
 	spawn_type = /obj/item/clothing/gloves/ring/silver
-	
+

code/game/objects/items/storage/lockbox.dm

@@ -132,29 +132,34 @@
 	for(var/i in 1 to 3)
 		new /obj/item/clothing/accessory/medal/conduct(src)
 
-/obj/item/storage/lockbox/medal/update_icon()
-	cut_overlays()
+/obj/item/storage/lockbox/medal/update_icon_state()
 	var/locked = SEND_SIGNAL(src, COMSIG_IS_STORAGE_LOCKED)
 	if(locked)
 		icon_state = "medalbox+l"
-		open = FALSE
 	else
 		icon_state = "medalbox"
 		if(open)
 			icon_state += "open"
 		if(broken)
 			icon_state += "+b"
-		if(contents && open)
-			for (var/i in 1 to contents.len)
-				var/obj/item/clothing/accessory/medal/M = contents[i]
-				var/mutable_appearance/medalicon = mutable_appearance(initial(icon), M.medaltype)
-				if(i > 1 && i <= 5)
-					medalicon.pixel_x += ((i-1)*3)
-				else if(i > 5)
-					medalicon.pixel_y -= 7
-					medalicon.pixel_x -= 2
-					medalicon.pixel_x += ((i-6)*3)
-				add_overlay(medalicon)
+
+/obj/item/storage/lockbox/medal/update_overlays()
+	. = ..()
+	if(!contents || !open)
+		return
+	var/locked = SEND_SIGNAL(src, COMSIG_IS_STORAGE_LOCKED)
+	if(locked)
+		return
+	for (var/i in 1 to contents.len)
+		var/obj/item/clothing/accessory/medal/M = contents[i]
+		var/mutable_appearance/medalicon = mutable_appearance(initial(icon), M.medaltype)
+		if(i > 1 && i <= 5)
+			medalicon.pixel_x += ((i-1)*3)
+		else if(i > 5)
+			medalicon.pixel_y -= 7
+			medalicon.pixel_x -= 2
+			medalicon.pixel_x += ((i-6)*3)
+		. += medalicon
 
 /obj/item/storage/lockbox/medal/sec
 	name = "security medal box"

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

@@ -33,14 +33,11 @@ GLOBAL_LIST_EMPTY(rubber_toolbox_icons)
 	. = ..()
 	update_icon()
 
-/obj/item/storage/toolbox/update_icon()
-	..()
-	cut_overlays()
-	if(length(blood_DNA))
-		add_blood_overlay()
+/obj/item/storage/toolbox/update_overlays()
+	. = ..()
 	if(has_latches)
 		var/icon/I = icon('icons/obj/storage.dmi', latches)
-		add_overlay(I)
+		. += I
 
 
 /obj/item/storage/toolbox/suicide_act(mob/user)

code/game/objects/items/storage/wallets.dm

@@ -66,7 +66,7 @@
 	. = ..()
 	refreshID()
 
-/obj/item/storage/wallet/update_icon()
+/obj/item/storage/wallet/update_icon_state()
 	var/new_state = "wallet"
 	if(front_id)
 		new_state = "wallet_id"

code/game/objects/items/stunbaton.dm

@@ -84,7 +84,7 @@
 /obj/item/melee/baton/process()
 	deductcharge(round(hitcost * STUNBATON_DEPLETION_RATE), FALSE, FALSE)
 
-/obj/item/melee/baton/update_icon()
+/obj/item/melee/baton/update_icon_state()
 	if(status)
 		icon_state = "[initial(name)]_active"
 	else if(!cell)
@@ -191,11 +191,11 @@
 
 	if(!disarming)
 		if(knockdown)
-			L.Knockdown(50, override_stamdmg = 0)		//knockdown
+			L.DefaultCombatKnockdown(50, override_stamdmg = 0)		//knockdown
 		L.adjustStaminaLoss(stunpwr)
 	else
 		L.drop_all_held_items()					//no knockdown/stamina damage, instead disarm.
-	
+
 	L.apply_effect(EFFECT_STUTTER, stamforce)
 	SEND_SIGNAL(L, COMSIG_LIVING_MINOR_SHOCK)
 	if(user)
@@ -218,7 +218,7 @@
 	user.visible_message("<span class='danger'>[user] accidentally hits [user.p_them()]self with [src]!</span>", \
 						"<span class='userdanger'>You accidentally hit yourself with [src]!</span>")
 	SEND_SIGNAL(user, COMSIG_LIVING_MINOR_SHOCK)
-	user.Knockdown(stamforce*6)
+	user.DefaultCombatKnockdown(stamforce*6)
 	playsound(loc, 'sound/weapons/egloves.ogg', 50, 1, -1)
 	deductcharge(hitcost)
 

code/game/objects/items/teleportation.dm

@@ -142,7 +142,7 @@
 	return ..()
 
 /obj/item/hand_tele/proc/try_dispel_portal(atom/target, mob/user, delay = 30)
-	var/datum/beam/B = user.Beam(target)
+	var/datum/beam/B = user.Beam(target, icon_state = "rped_upgrade", maxdistance = 50)
 	if(is_parent_of_portal(target) && (!delay || do_after(user, delay, target = target)))
 		qdel(target)
 		to_chat(user, "<span class='notice'>You dispel [target] with \the [src]!</span>")

code/game/objects/items/teleprod.dm

@@ -16,7 +16,7 @@
 	user.visible_message("<span class='danger'>[user] accidentally hits [user.p_them()]self with [src]!</span>", \
 						"<span class='userdanger'>You accidentally hit yourself with [src]!</span>")
 	SEND_SIGNAL(user, COMSIG_LIVING_MINOR_SHOCK)
-	user.Knockdown(stamforce * 6)
+	user.DefaultCombatKnockdown(stamforce * 6)
 	playsound(loc, 'sound/weapons/egloves.ogg', 50, 1, -1)
 	if(do_teleport(user, get_turf(user), 50, channel = TELEPORT_CHANNEL_BLUESPACE))
 		deductcharge(hitcost)

code/game/objects/items/theft_tools.dm

@@ -246,7 +246,7 @@
 	QDEL_NULL(sliver)
 	return ..()
 
-/obj/item/hemostat/supermatter/update_icon()
+/obj/item/hemostat/supermatter/update_icon_state()
 	if(sliver)
 		icon_state = "supermatter_tongs_loaded"
 	else

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

@@ -45,13 +45,13 @@
 	if(prob(75))
 		pixel_y = rand(0, 16)
 
-/obj/item/screwdriver/update_icon()
+/obj/item/screwdriver/update_overlays()
+	. = ..()
 	if(!random_color) //icon override
 		return
-	cut_overlays()
 	var/mutable_appearance/base_overlay = mutable_appearance(icon, "screwdriver_screwybits")
 	base_overlay.appearance_flags = RESET_COLOR
-	add_overlay(base_overlay)
+	. += base_overlay
 
 /obj/item/screwdriver/worn_overlays(isinhands = FALSE, icon_file, style_flags = NONE)
 	. = list()

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

@@ -40,24 +40,24 @@
 	reagents.add_reagent(/datum/reagent/fuel, max_fuel)
 	update_icon()
 
+/obj/item/weldingtool/ComponentInitialize()
+	. = ..()
+	AddElement(/datum/element/update_icon_updates_onmob)
 
-/obj/item/weldingtool/proc/update_torch()
+/obj/item/weldingtool/update_icon_state()
 	if(welding)
-		add_overlay("[initial(icon_state)]-on")
 		item_state = "[initial(item_state)]1"
 	else
 		item_state = "[initial(item_state)]"
 
-
-/obj/item/weldingtool/update_icon()
-	cut_overlays()
+/obj/item/weldingtool/update_overlays()
+	. = ..()
 	if(change_icons)
 		var/ratio = get_fuel() / max_fuel
 		ratio = CEILING(ratio*4, 1) * 25
-		add_overlay("[initial(icon_state)][ratio]")
-	update_torch()
-	return
-
+		. += "[initial(icon_state)][ratio]"
+	if(welding)
+		. += "[initial(icon_state)]-on"
 
 /obj/item/weldingtool/process()
 	switch(welding)
@@ -177,11 +177,6 @@
 	if(get_fuel() <= 0 && welding)
 		switched_on(user)
 		update_icon()
-		//mob icon update
-		if(ismob(loc))
-			var/mob/M = loc
-			M.update_inv_hands(0)
-
 		return 0
 	return 1
 

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

@@ -40,13 +40,13 @@
 		add_atom_colour(wirecutter_colors[our_color], FIXED_COLOUR_PRIORITY)
 		update_icon()
 
-/obj/item/wirecutters/update_icon()
+/obj/item/wirecutters/update_overlays()
+	. = ..()
 	if(!random_color) //icon override
 		return
-	cut_overlays()
 	var/mutable_appearance/base_overlay = mutable_appearance(icon, "cutters_cutty_thingy")
 	base_overlay.appearance_flags = RESET_COLOR
-	add_overlay(base_overlay)
+	. += base_overlay
 
 /obj/item/wirecutters/attack(mob/living/carbon/C, mob/user)
 	if(istype(C) && C.handcuffed && istype(C.handcuffed, /obj/item/restraints/handcuffs/cable))

code/game/objects/items/toys.dm

@@ -44,9 +44,13 @@
 	item_state = "balloon-empty"
 
 
-/obj/item/toy/balloon/New()
+/obj/item/toy/balloon/Initialize()
+	. = ..()
 	create_reagents(10)
-	..()
+
+/obj/item/toy/balloon/ComponentInitialize()
+	. = ..()
+	AddElement(/datum/element/update_icon_updates_onmob)
 
 /obj/item/toy/balloon/attack(mob/living/carbon/human/M, mob/user)
 	return
@@ -102,7 +106,7 @@
 		icon_state = "burst"
 		qdel(src)
 
-/obj/item/toy/balloon/update_icon()
+/obj/item/toy/balloon/update_icon_state()
 	if(src.reagents.total_volume >= 1)
 		icon_state = "waterballoon"
 		item_state = "balloon"
@@ -200,8 +204,8 @@
 	custom_materials = list(/datum/material/iron=10, /datum/material/glass=10)
 	var/amount_left = 7
 
-/obj/item/toy/ammo/gun/update_icon()
-	src.icon_state = text("357OLD-[]", src.amount_left)
+/obj/item/toy/ammo/gun/update_icon_state()
+	icon_state = "357OLD-[amount_left]"
 
 /obj/item/toy/ammo/gun/examine(mob/user)
 	. = ..()
@@ -224,26 +228,39 @@
 	var/hacked = FALSE
 	total_mass = 0.4
 	var/total_mass_on = TOTAL_MASS_TOY_SWORD
+	var/activation_sound = 'sound/weapons/saberon.ogg'
+	var/deactivation_sound = 'sound/weapons/saberoff.ogg'
+	var/activation_message = "You extend the plastic blade with a quick flick of your wrist."
+	var/deactivation_message = "You push the plastic blade back down into the handle."
+	var/transform_volume = 20
 
 /obj/item/toy/sword/attack_self(mob/user)
-	active = !( active )
+	active = !active
 	if (active)
-		to_chat(user, "<span class='notice'>You extend the plastic blade with a quick flick of your wrist.</span>")
-		playsound(user, 'sound/weapons/saberon.ogg', 20, 1)
+		to_chat(user, "<span class='notice'>[activation_message]</span>")
+		playsound(user, activation_sound, transform_volume, 1)
+		w_class = WEIGHT_CLASS_BULKY
+		AddElement(/datum/element/sword_point)
+	else
+		to_chat(user, "<span class='notice'>[deactivation_message]</span>")
+		playsound(user, deactivation_sound, transform_volume, 1)
+		w_class = WEIGHT_CLASS_SMALL
+		RemoveElement(/datum/element/sword_point)
+
+	update_icon()
+	add_fingerprint(user)
+
+/obj/item/toy/sword/update_icon_state()
+	if(active)
 		if(hacked)
 			icon_state = "swordrainbow"
 			item_state = "swordrainbow"
 		else
 			icon_state = "swordblue"
 			item_state = "swordblue"
-		w_class = WEIGHT_CLASS_BULKY
 	else
-		to_chat(user, "<span class='notice'>You push the plastic blade back down into the handle.</span>")
-		playsound(user, 'sound/weapons/saberoff.ogg', 20, 1)
 		icon_state = "sword0"
 		item_state = "sword0"
-		w_class = WEIGHT_CLASS_SMALL
-	add_fingerprint(user)
 
 // Copied from /obj/item/melee/transforming/energy/sword/attackby
 /obj/item/toy/sword/attackby(obj/item/W, mob/living/user, params)
@@ -266,7 +283,7 @@
 			to_chat(user, "<span class='warning'>RNBW_ENGAGE</span>")
 
 			if(active)
-				icon_state = "swordrainbow"
+				update_icon()
 				user.update_inv_hands()
 		else
 			to_chat(user, "<span class='warning'>It's already fabulous!</span>")
@@ -286,40 +303,27 @@
 	w_class = WEIGHT_CLASS_SMALL
 	attack_verb = list("poked", "jabbed", "hit")
 	light_color = "#37FFF7"
+	activation_sound = 'sound/weapons/nebon.ogg'
+	deactivation_sound = 'sound/weapons/neboff.ogg'
+	transform_volume = 50
+	activation_message = "You activate the holographic blade with a press of a button."
+	deactivation_message = "You deactivate the holographic blade with a press of a button."
 	var/light_brightness = 3
 	actions_types = list()
 
-/obj/item/toy/sword/cx/alt_pre_attack(atom/A, mob/living/user, params)	//checks if it can do right click memes
-	altafterattack(A, user, TRUE, params)
-	return TRUE
-
-/obj/item/toy/sword/cx/altafterattack(atom/target, mob/living/carbon/user, proximity_flag, click_parameters)	//does right click memes
-	if(istype(user))
-		user.visible_message("<span class='notice'>[user] points the tip of [src] at [target].</span>", "<span class='notice'>You point the tip of [src] at [target].</span>")
-	return TRUE
+/obj/item/toy/sword/cx/ComponentInitialize()
+	. = ..()
+	AddElement(/datum/element/update_icon_updates_onmob)
 
 /obj/item/toy/sword/cx/attack_self(mob/user)
-	active = !( active )
+	. = ..()
+	set_light(active ? light_brightness : 0)
 
-	if (active)
-		to_chat(user, "<span class='notice'>You activate the holographic blade with a press of a button.</span>")
-		playsound(user, 'sound/weapons/nebon.ogg', 50, 1)
-		w_class = WEIGHT_CLASS_BULKY
-		attack_verb = list("slashed", "stabbed", "ravaged")
-		set_light(light_brightness)
-		update_icon()
+/obj/item/toy/sword/cx/update_icon_state()
+	return
 
-	else
-		to_chat(user, "<span class='notice'>You deactivate the holographic blade with a press of a button.</span>")
-		playsound(user, 'sound/weapons/neboff.ogg', 50, 1)
-		w_class = WEIGHT_CLASS_SMALL
-		attack_verb = list("poked", "jabbed", "hit")
-		set_light(0)
-		update_icon()
-
-	add_fingerprint(user)
-
-/obj/item/toy/sword/cx/update_icon()
+/obj/item/toy/sword/cx/update_overlays()
+	. = ..()
 	var/mutable_appearance/blade_overlay = mutable_appearance(icon, "cxsword_blade")
 	var/mutable_appearance/gem_overlay = mutable_appearance(icon, "cxsword_gem")
 
@@ -327,15 +331,10 @@
 		blade_overlay.color = light_color
 		gem_overlay.color = light_color
 
-	cut_overlays()		//So that it doesn't keep stacking overlays non-stop on top of each other
-
-	add_overlay(gem_overlay)
+	. += gem_overlay
 
 	if(active)
-		add_overlay(blade_overlay)
-	if(ismob(loc))
-		var/mob/M = loc
-		M.update_inv_hands()
+		. += blade_overlay
 
 /obj/item/toy/sword/cx/AltClick(mob/living/user)
 	. = ..()
@@ -843,15 +842,16 @@
 	user.visible_message("[user] draws a card from the deck.", "<span class='notice'>You draw a card from the deck.</span>")
 	update_icon()
 
-/obj/item/toy/cards/deck/update_icon()
-	if(cards.len > 26)
-		icon_state = "deck_[deckstyle]_full"
-	else if(cards.len > 10)
-		icon_state = "deck_[deckstyle]_half"
-	else if(cards.len > 0)
-		icon_state = "deck_[deckstyle]_low"
-	else if(cards.len == 0)
-		icon_state = "deck_[deckstyle]_empty"
+/obj/item/toy/cards/deck/update_icon_state()
+	switch(cards.len)
+		if(27 to INFINITY)
+			icon_state = "deck_[deckstyle]_full"
+		if(11 to 27)
+			icon_state = "deck_[deckstyle]_half"
+		if(1 to 11)
+			icon_state = "deck_[deckstyle]_low"
+		else
+			icon_state = "deck_[deckstyle]_empty"
 
 /obj/item/toy/cards/deck/attack_self(mob/user)
 	if(cooldown < world.time - 50)
@@ -1078,8 +1078,13 @@
 	else
 		return ..()
 
-/obj/item/toy/cards/singlecard/attack_self(mob/user)
-	if(usr.stat || !ishuman(usr) || !usr.canmove || usr.restrained())
+/obj/item/toy/cards/singlecard/attack_self(mob/living/user)
+	. = ..()
+	if(.)
+		return
+	if(!ishuman(user))
+		return
+	if(!CHECK_MOBILITY(user, MOBILITY_USE))
 		return
 	Flip()
 

code/game/objects/items/twohanded.dm

@@ -24,7 +24,7 @@
  * Twohanded
  */
 /obj/item/twohanded
-	var/wielded = 0
+	var/wielded = FALSE
 	var/force_unwielded // default to null, the number force will be set to on unwield()
 	var/force_wielded // same as above but for wield()
 	var/wieldsound = null
@@ -97,9 +97,6 @@
 		return
 	unwield(user)
 
-/obj/item/twohanded/update_icon()
-	return
-
 /obj/item/twohanded/attack_self(mob/user)
 	. = ..()
 	if(wielded) //Trying to unwield it
@@ -241,7 +238,7 @@
 	. = ..()
 	AddComponent(/datum/component/butchering, 100, 80, 0 , hitsound) //axes are not known for being precision butchering tools
 
-/obj/item/twohanded/fireaxe/update_icon()  //Currently only here to fuck with the on-mob icons.
+/obj/item/twohanded/fireaxe/update_icon_state()  //Currently only here to fuck with the on-mob icons.
 	icon_state = "fireaxe[wielded]"
 	return
 
@@ -342,7 +339,7 @@
 	STOP_PROCESSING(SSobj, src)
 	. = ..()
 
-/obj/item/twohanded/dualsaber/update_icon()
+/obj/item/twohanded/dualsaber/update_icon_state()
 	if(wielded)
 		icon_state = "dualsaber[item_color][wielded]"
 	else
@@ -399,6 +396,7 @@
 		hitsound = 'sound/weapons/blade1.ogg'
 		START_PROCESSING(SSobj, src)
 		set_light(brightness_on)
+		AddElement(/datum/element/sword_point)
 
 /obj/item/twohanded/dualsaber/unwield() //Specific unwield () to switch hitsounds.
 	sharpness = initial(sharpness)
@@ -408,6 +406,7 @@
 	hitsound = "swing_hit"
 	STOP_PROCESSING(SSobj, src)
 	set_light(0)
+	RemoveElement(/datum/element/sword_point)
 
 /obj/item/twohanded/dualsaber/process()
 	if(wielded)
@@ -492,34 +491,15 @@
 	spinnable = FALSE
 	total_mass_on = 4
 
-/obj/item/twohanded/dualsaber/hypereutactic/chaplain
-	name = "\improper divine lightblade"
-	desc = "A giant blade of bright and holy light, said to cut down the wicked with ease."
-	force = 5
-	force_unwielded = 5
-	force_wielded = 20
-	block_chance = 50
-	armour_penetration = 0
-	var/chaplain_spawnable = TRUE
-	obj_flags = UNIQUE_RENAME
-
-/obj/item/twohanded/dualsaber/hypereutactic/chaplain/Initialize()
+/obj/item/twohanded/dualsaber/hypereutactic/ComponentInitialize()
 	. = ..()
-	AddComponent(/datum/component/anti_magic, TRUE, TRUE, FALSE, null, null, FALSE)
+	AddElement(/datum/element/update_icon_updates_onmob)
 
-/obj/item/twohanded/dualsaber/hypereutactic/chaplain/IsReflect()
-	return FALSE
+/obj/item/twohanded/dualsaber/hypereutactic/update_icon_state()
+	return
 
-/obj/item/twohanded/dualsaber/hypereutactic/alt_pre_attack(atom/A, mob/living/user, params)	//checks if it can do right click memes
-	altafterattack(A, user, TRUE, params)
-	return TRUE
-
-/obj/item/twohanded/dualsaber/hypereutactic/altafterattack(atom/target, mob/living/user, proximity_flag, click_parameters)	//does right click memes
-	if(istype(user))
-		user.visible_message("<span class='notice'>[user] points the tip of [src] at [target].</span>", "<span class='notice'>You point the tip of [src] at [target].</span>")
-	return TRUE
-
-/obj/item/twohanded/dualsaber/hypereutactic/update_icon()
+/obj/item/twohanded/dualsaber/hypereutactic/update_overlays()
+	. = ..()
 	var/mutable_appearance/blade_overlay = mutable_appearance(icon, "hypereutactic_blade")
 	var/mutable_appearance/gem_overlay = mutable_appearance(icon, "hypereutactic_gem")
 
@@ -527,15 +507,10 @@
 		blade_overlay.color = light_color
 		gem_overlay.color = light_color
 
-	cut_overlays()		//So that it doesn't keep stacking overlays non-stop on top of each other
-
-	add_overlay(gem_overlay)
+	. += gem_overlay
 
 	if(wielded)
-		add_overlay(blade_overlay)
-	if(ismob(loc))
-		var/mob/M = loc
-		M.update_inv_hands()
+		. += blade_overlay
 
 	clean_blood()
 
@@ -576,6 +551,24 @@
 	update_icon()
 	update_light()
 
+/obj/item/twohanded/dualsaber/hypereutactic/chaplain
+	name = "divine lightblade"
+	desc = "A giant blade of bright and holy light, said to cut down the wicked with ease."
+	force = 5
+	force_unwielded = 5
+	force_wielded = 20
+	block_chance = 50
+	armour_penetration = 0
+	var/chaplain_spawnable = TRUE
+	obj_flags = UNIQUE_RENAME
+
+/obj/item/twohanded/dualsaber/hypereutactic/chaplain/ComponentInitialize()
+	. = ..()
+	AddComponent(/datum/component/anti_magic, TRUE, TRUE, FALSE, null, null, FALSE)
+
+/obj/item/twohanded/dualsaber/hypereutactic/chaplain/IsReflect()
+	return FALSE
+
 //spears
 /obj/item/twohanded/spear
 	icon_state = "spearglass0"
@@ -605,6 +598,8 @@
 /obj/item/twohanded/spear/Initialize()
 	. = ..()
 	AddComponent(/datum/component/butchering, 100, 70) //decent in a pinch, but pretty bad.
+	AddComponent(/datum/component/jousting)
+	AddElement(/datum/element/sword_point)
 
 /obj/item/twohanded/spear/attack_self(mob/user)
 	if(explosive)
@@ -630,16 +625,12 @@
 		return BRUTELOSS
 	return BRUTELOSS
 
-/obj/item/twohanded/spear/Initialize()
-	. = ..()
-	AddComponent(/datum/component/jousting)
-
 /obj/item/twohanded/spear/examine(mob/user)
 	. = ..()
 	if(explosive)
 		. += "<span class='notice'>Use in your hands to activate the attached explosive.</span><br><span class='notice'>Alt-click to set your war cry.</span><br><span class='notice'>Right-click in combat mode to wield</span>"
 
-/obj/item/twohanded/spear/update_icon()
+/obj/item/twohanded/spear/update_icon_state()
 	if(explosive)
 		icon_state = "spearbomb[wielded]"
 	else
@@ -717,9 +708,10 @@
 	tool_behaviour = TOOL_SAW
 	toolspeed = 0.5
 
-/obj/item/twohanded/required/chainsaw/Initialize()
+/obj/item/twohanded/required/chainsaw/ComponentInitialize()
 	. = ..()
 	AddComponent(/datum/component/butchering, 30, 100, 0, 'sound/weapons/chainsawhit.ogg', TRUE)
+	AddElement(/datum/element/update_icon_updates_onmob)
 
 /obj/item/twohanded/required/chainsaw/suicide_act(mob/living/carbon/user)
 	if(on)
@@ -738,7 +730,7 @@
 	to_chat(user, "As you pull the starting cord dangling from [src], [on ? "it begins to whirr." : "the chain stops moving."]")
 	force = on ? force_on : initial(force)
 	throwforce = on ? force_on : force
-	icon_state = "chainsaw_[on ? "on" : "off"]"
+	update_icon()
 	var/datum/component/butchering/butchering = src.GetComponent(/datum/component/butchering)
 	butchering.butchering_enabled = on
 
@@ -747,11 +739,8 @@
 	else
 		hitsound = "swing_hit"
 
-	if(src == user.get_active_held_item()) //update inhands
-		user.update_inv_hands()
-	for(var/X in actions)
-		var/datum/action/A = X
-		A.UpdateButtonIcon()
+/obj/item/twohanded/required/chainsaw/update_icon_state()
+	icon_state = "chainsaw_[on ? "on" : "off"]"
 
 /obj/item/twohanded/required/chainsaw/get_dismemberment_chance()
 	if(wielded)
@@ -820,6 +809,9 @@
 	armor = list("melee" = 0, "bullet" = 0, "laser" = 0, "energy" = 0, "bomb" = 0, "bio" = 0, "rad" = 0, "fire" = 100, "acid" = 30)
 	resistance_flags = FIRE_PROOF
 
+/obj/item/twohanded/pitchfork/Initialize(mapload)
+	AddElement(/datum/element/sword_point)
+
 /obj/item/twohanded/pitchfork/demonic
 	name = "demonic pitchfork"
 	desc = "A red pitchfork, it looks like the work of the devil."
@@ -844,7 +836,7 @@
 	force_unwielded = 100
 	force_wielded = 500000 // Kills you DEAD.
 
-/obj/item/twohanded/pitchfork/update_icon()
+/obj/item/twohanded/pitchfork/update_icon_state()
 	icon_state = "pitchfork[wielded]"
 
 /obj/item/twohanded/pitchfork/suicide_act(mob/user)
@@ -903,6 +895,7 @@
 /obj/item/twohanded/vibro_weapon/Initialize()
 	. = ..()
 	AddComponent(/datum/component/butchering, 20, 105)
+	AddElement(/datum/element/sword_point)
 
 /obj/item/twohanded/vibro_weapon/hit_reaction(mob/living/carbon/human/owner, atom/movable/hitby, attack_text = "the attack", final_block_chance = 0, damage = 0, attack_type = MELEE_ATTACK)
 	if(wielded)
@@ -918,7 +911,7 @@
 				return 1
 	return 0
 
-/obj/item/twohanded/vibro_weapon/update_icon()
+/obj/item/twohanded/vibro_weapon/update_icon_state()
 	icon_state = "hfrequency[wielded]"
 
 /*
@@ -930,7 +923,7 @@
 	desc = "A large, vicious axe crafted out of several sharpened bone plates and crudely tied together. Made of monsters, by killing monsters, for killing monsters."
 	force_wielded = 23
 
-/obj/item/twohanded/fireaxe/boneaxe/update_icon()
+/obj/item/twohanded/fireaxe/boneaxe/update_icon_state()
 	icon_state = "bone_axe[wielded]"
 
 /*
@@ -956,7 +949,7 @@
 	attack_verb = list("attacked", "poked", "jabbed", "torn", "gored")
 	sharpness = IS_SHARP
 
-/obj/item/twohanded/bonespear/update_icon()
+/obj/item/twohanded/bonespear/update_icon_state()
 	icon_state = "bone_spear[wielded]"
 
 /obj/item/twohanded/binoculars
@@ -1017,6 +1010,259 @@
 		user.client.pixel_x = 0
 		user.client.pixel_y = 0
 
+/obj/item/twohanded/electrostaff
+	icon = 'icons/obj/items_and_weapons.dmi'
+	icon_state = "electrostaff_3"
+	item_state = "electrostaff"
+	lefthand_file = 'icons/mob/inhands/weapons/staves_lefthand.dmi'
+	righthand_file = 'icons/mob/inhands/weapons/staves_righthand.dmi'
+	name = "riot suppression electrostaff"
+	desc = "A large quarterstaff, with massive silver electrodes mounted at the end."
+	w_class = WEIGHT_CLASS_HUGE
+	slot_flags = ITEM_SLOT_BACK | ITEM_SLOT_OCLOTHING
+	force_unwielded = 5
+	force_wielded = 10
+	throwforce = 15			//if you are a madman and finish someone off with this, power to you.
+	throw_speed = 1
+	item_flags = NO_MAT_REDEMPTION | SLOWS_WHILE_IN_HAND
+	block_chance = 30
+	attack_verb = list("struck", "beaten", "thwacked", "pulped")
+	total_mass = 5		//yeah this is a heavy thing, beating people with it while it's off is not going to do you any favors. (to curb stun-kill rampaging without it being on)
+	var/obj/item/stock_parts/cell/cell = /obj/item/stock_parts/cell/high
+	var/on = FALSE
+	var/can_block_projectiles = FALSE		//can't block guns
+	var/lethal_cost = 400			//10000/400*20 = 500. decent enough?
+	var/lethal_damage = 20
+	var/lethal_stam_cost = 4
+	var/stun_cost = 333				//10000/333*25 = 750. stunbatons are at time of writing 10000/1000*49 = 490.
+	var/stun_status_effect = STATUS_EFFECT_ELECTROSTAFF			//a small slowdown effect
+	var/stun_stamdmg = 40
+	var/stun_status_duration = 25
+	var/stun_stam_cost = 3.5
+
+/obj/item/twohanded/electrostaff/Initialize(mapload)
+	. = ..()
+	if(ispath(cell))
+		cell = new cell
+
+/obj/item/twohanded/electrostaff/Destroy()
+	STOP_PROCESSING(SSobj, src)
+	return ..()
+
+/obj/item/twohanded/electrostaff/get_cell()
+	. = cell
+	if(iscyborg(loc))
+		var/mob/living/silicon/robot/R = loc
+		. = R.get_cell()
+
+/obj/item/twohanded/electrostaff/hit_reaction(mob/living/carbon/human/owner, atom/movable/hitby, attack_text = "the attack", final_block_chance = 0, damage = 0, attack_type = MELEE_ATTACK)
+	if(!on)
+		return FALSE
+	if((attack_type == PROJECTILE_ATTACK) && !can_block_projectiles)
+		return FALSE
+	return ..()
+
+/obj/item/twohanded/electrostaff/proc/min_hitcost()
+	return min(stun_cost, lethal_cost)
+
+/obj/item/twohanded/electrostaff/proc/turn_on(mob/user, silent = FALSE)
+	if(on)
+		return
+	if(!cell)
+		if(user)
+			to_chat(user, "<span class='warning'>[src] has no cell.</span>")
+		return
+	if(cell.charge < min_hitcost())
+		if(user)
+			to_chat(user, "<span class='warning'>[src] is out of charge.</span>")
+		return
+	on = TRUE
+	START_PROCESSING(SSobj, src)
+	if(user)
+		to_chat(user, "<span class='warning'>You turn [src] on.</span>")
+	update_icon()
+	if(!silent)
+		playsound(src, "sparks", 75, 1, -1)
+
+/obj/item/twohanded/electrostaff/proc/turn_off(mob/user, silent = FALSE)
+	if(!on)
+		return
+	if(user)
+		to_chat(user, "<span class='warning'>You turn [src] off.</span>")
+	on = FALSE
+	STOP_PROCESSING(SSobj, src)
+	update_icon()
+	if(!silent)
+		playsound(src, "sparks", 75, 1, -1)
+
+/obj/item/twohanded/electrostaff/proc/toggle(mob/user, silent = FALSE)
+	if(on)
+		turn_off(user, silent)
+	else
+		turn_on(user, silent)
+
+/obj/item/twohanded/electrostaff/wield(mob/user)
+	. = ..()
+	if(wielded)
+		turn_on(user)
+	add_fingerprint(user)
+
+/obj/item/twohanded/electrostaff/unwield(mob/user)
+	. = ..()
+	if(!wielded)
+		turn_off(user)
+	add_fingerprint(user)
+
+/obj/item/twohanded/electrostaff/update_icon_state()
+	. = ..()
+	if(!wielded)
+		icon_state = "electrostaff_3"
+		item_state = "electrostaff"
+	else
+		icon_state = item_state = (on? "electrostaff_1" : "electrostaff_3")
+	set_light(7, on? 1 : 0, LIGHT_COLOR_CYAN)
+
+/obj/item/twohanded/electrostaff/examine(mob/living/user)
+	. = ..()
+	if(cell)
+		. += "<span class='notice'>The cell charge is [round(cell.percent())]%.</span>"
+	else
+		. += "<span class='warning'>There is no cell installed!</span>"
+
+/obj/item/twohanded/electrostaff/attackby(obj/item/W, mob/user, params)
+	if(istype(W, /obj/item/stock_parts/cell))
+		var/obj/item/stock_parts/cell/C = W
+		if(cell)
+			to_chat(user, "<span class='warning'>[src] already has a cell!</span>")
+		else
+			if(C.maxcharge < min_hit_cost())
+				to_chat(user, "<span class='notice'>[src] requires a higher capacity cell.</span>")
+				return
+			if(!user.transferItemToLoc(W, src))
+				return
+			cell = C
+			to_chat(user, "<span class='notice'>You install a cell in [src].</span>")
+
+	else if(W.tool_behaviour == TOOL_SCREWDRIVER)
+		if(cell)
+			cell.update_icon()
+			cell.forceMove(get_turf(src))
+			cell = null
+			to_chat(user, "<span class='notice'>You remove the cell from [src].</span>")
+			turn_off(user, TRUE)
+	else
+		return ..()
+
+/obj/item/twohanded/electrostaff/process()
+	deductcharge(50)			//Wasteful!
+
+/obj/item/twohanded/electrostaff/proc/min_hit_cost()
+	return min(lethal_cost, stun_cost)
+
+/obj/item/twohanded/electrostaff/proc/deductcharge(amount)
+	var/obj/item/stock_parts/cell/C = get_cell()
+	if(!C)
+		turn_off()
+		return FALSE
+	C.use(min(amount, C.charge))
+	if(QDELETED(src))
+		return FALSE
+	if(C.charge < min_hit_cost())
+		turn_off()
+
+/obj/item/twohanded/electrostaff/attack(mob/living/target, mob/living/user)
+	if(user.getStaminaLoss() >= STAMINA_SOFTCRIT)//CIT CHANGE - makes it impossible to baton in stamina softcrit
+		to_chat(user, "<span class='danger'>You're too exhausted for that.</span>")//CIT CHANGE - ditto
+		return //CIT CHANGE - ditto
+	if(on && HAS_TRAIT(user, TRAIT_CLUMSY) && prob(50))
+		clowning_around(user)			//ouch!
+		return
+	if(iscyborg(target))
+		..()
+		return
+	if(target.check_shields(src, 0, "[user]'s [name]", MELEE_ATTACK)) //No message; check_shields() handles that
+		playsound(target, 'sound/weapons/genhit.ogg', 50, 1)
+		return FALSE
+	if(user.a_intent != INTENT_HARM)
+		if(stun_act(target, user))
+			user.do_attack_animation(target)
+			user.adjustStaminaLossBuffered(stun_stam_cost)
+		return
+	else if(!harm_act(target, user))
+		return ..()		//if you can't fry them just beat them with it
+	else		//we did harm act them
+		user.do_attack_animation(target)
+		user.adjustStaminaLossBuffered(lethal_stam_cost)
+
+/obj/item/twohanded/electrostaff/proc/stun_act(mob/living/target, mob/living/user, no_charge_and_force = FALSE)
+	var/stunforce = stun_stamdmg
+	if(!no_charge_and_force)
+		if(!on)
+			target.visible_message("<span class='warning'>[user] has bapped [target] with [src]. Luckily it was off.</span>", \
+							"<span class='warning'>[user] has bapped you with [src]. Luckily it was off</span>")
+			turn_off()			//if it wasn't already off
+			return FALSE
+		var/obj/item/stock_parts/cell/C = get_cell()
+		var/chargeleft = C.charge
+		deductcharge(stun_cost)
+		if(QDELETED(src) || QDELETED(C))		//boom
+			return FALSE
+		if(chargeleft < stun_cost)
+			stunforce *= round(chargeleft/stun_cost, 0.1)
+	target.adjustStaminaLoss(stunforce)
+	target.apply_effect(EFFECT_STUTTER, stunforce)
+	SEND_SIGNAL(target, COMSIG_LIVING_MINOR_SHOCK)
+	if(user)
+		target.lastattacker = user.real_name
+		target.lastattackerckey = user.ckey
+		target.visible_message("<span class='danger'>[user] has shocked [target] with [src]!</span>", \
+								"<span class='userdanger'>[user] has shocked you with [src]!</span>")
+		log_combat(user, user, "stunned with an electrostaff")
+	playsound(src, 'sound/weapons/staff.ogg', 50, 1, -1)
+	target.apply_status_effect(stun_status_effect, stun_status_duration)
+	if(ishuman(user))
+		var/mob/living/carbon/human/H = user
+		H.forcesay(GLOB.hit_appends)
+	return TRUE
+
+/obj/item/twohanded/electrostaff/proc/harm_act(mob/living/target, mob/living/user, no_charge_and_force = FALSE)
+	var/lethal_force = lethal_damage
+	if(!no_charge_and_force)
+		if(!on)
+			return FALSE		//standard item attack
+		var/obj/item/stock_parts/cell/C = get_cell()
+		var/chargeleft = C.charge
+		deductcharge(lethal_cost)
+		if(QDELETED(src) || QDELETED(C))		//boom
+			return FALSE
+		if(chargeleft < stun_cost)
+			lethal_force *= round(chargeleft/lethal_cost, 0.1)
+	target.adjustFireLoss(lethal_force)		//good against ointment spam
+	SEND_SIGNAL(target, COMSIG_LIVING_MINOR_SHOCK)
+	if(user)
+		target.lastattacker = user.real_name
+		target.lastattackerckey = user.ckey
+		target.visible_message("<span class='danger'>[user] has seared [user] with [src]!</span>", \
+								"<span class='userdanger'>[user] has seared you with [src]!</span>")
+		log_combat(user, user, "burned with an electrostaff")
+	playsound(src, 'sound/weapons/sear.ogg', 50, 1, -1)
+	return TRUE
+
+/obj/item/twohanded/electrostaff/proc/clowning_around(mob/living/user)
+	user.visible_message("<span class='danger'>[user] accidentally hits [user.p_them()]self with [src]!</span>", \
+						"<span class='userdanger'>You accidentally hit yourself with [src]!</span>")
+	SEND_SIGNAL(user, COMSIG_LIVING_MINOR_SHOCK)
+	harm_act(user, user, TRUE)
+	stun_act(user, user, TRUE)
+	deductcharge(lethal_cost)
+
+/obj/item/twohanded/electrostaff/emp_act(severity)
+	. = ..()
+	if (!(. & EMP_PROTECT_SELF))
+		turn_off()
+		if(!iscyborg(loc))
+			deductcharge(1000 / severity, TRUE, FALSE)
+
 /obj/item/twohanded/broom
 	name = "broom"
 	desc = "This is my BROOMSTICK! It can be used manually or braced with two hands to sweep items as you move. It has a telescopic handle for compact storage." //LIES
@@ -1061,6 +1307,8 @@
 			target = A
 		else
 			target = A.loc
+			if(!isturf(target)) //read: Mob inventories.
+				return
 	else
 		target = user.loc
 	if (locate(/obj/structure/table) in target.contents)
@@ -1078,4 +1326,4 @@
 /obj/item/twohanded/broom/proc/janicart_insert(mob/user, obj/structure/janitorialcart/J) //bless you whoever fixes this copypasta
 	J.put_in_cart(src, user)
 	J.mybroom=src
-	J.update_icon()
+	J.update_icon()

code/game/objects/items/weaponry.dm

@@ -74,6 +74,7 @@ for further reading, please see: https://github.com/tgstation/tgstation/pull/301
 /obj/item/claymore/Initialize()
 	. = ..()
 	AddComponent(/datum/component/butchering, 40, 105)
+	AddElement(/datum/element/sword_point)
 
 /obj/item/claymore/suicide_act(mob/user)
 	user.visible_message("<span class='suicide'>[user] is falling on [src]! It looks like [user.p_theyre()] trying to commit suicide!</span>")
@@ -346,25 +347,6 @@ for further reading, please see: https://github.com/tgstation/tgstation/pull/301
 	user.visible_message("<span class='suicide'>[user] is slitting [user.p_their()] own throat with [src]! It looks like [user.p_theyre()] trying to commit suicide!</span>")
 	return (BRUTELOSS)
 
-/obj/item/switchblade/crafted
-	icon_state = "switchblade_ms"
-	desc = "A concealable spring-loaded knife."
-	force = 2
-	throwforce = 3
-	extended_force = 15
-	extended_throwforce = 18
-	extended_icon_state = "switchblade_ext_ms"
-	retracted_icon_state = "switchblade_ms"
-
-/obj/item/switchblade/crafted/attackby(obj/item/I, mob/user, params)
-	. = ..()
-	if(istype(I, /obj/item/stack/sheet/mineral/silver))
-		icon_state = extended ? "switchblade_ext_msf" : "switchblade_msf"
-		extended_icon_state = "switchblade_ext_msf"
-		retracted_icon_state = "switchblade_msf"
-		icon_state = "switchblade_msf"
-		to_chat(user, "<span class='notice'>You use part of the silver to improve your Switchblade. Stylish!</span>")
-
 /obj/item/phone
 	name = "red phone"
 	desc = "Should anything ever go wrong..."

code/game/objects/structures.dm

@@ -33,7 +33,7 @@
 	if(structureclimber && structureclimber != user)
 		user.changeNext_move(CLICK_CD_MELEE)
 		user.do_attack_animation(src)
-		structureclimber.Knockdown(40)
+		structureclimber.DefaultCombatKnockdown(40)
 		structureclimber.visible_message("<span class='warning'>[structureclimber] has been knocked off [src].", "You're knocked off [src]!", "You see [structureclimber] get knocked off [src].</span>")
 
 /obj/structure/ui_act(action, params)
@@ -45,7 +45,8 @@
 	if(!climbable)
 		return
 	if(user == O && iscarbon(O))
-		if(user.canmove)
+		var/mob/living/L = O
+		if(CHECK_MOBILITY(L, MOBILITY_MOVE))
 			climb_structure(user)
 			return
 	if(!istype(O, /obj/item) || user.get_active_held_item() != O)

code/game/objects/structures/barsigns.dm

@@ -308,28 +308,26 @@
 	icon = "Meow Mix"
 	desc = "No, we don't serve catnip, officer!"
 
+/datum/barsign/the_hive
+	name = "The Hive"
+	icon = "thehive"
+	desc = "Comb in for some sweet drinks! Not known for serving any sappy drink."
+
 /datum/barsign/hiddensigns
 	hidden = TRUE
 
-
 //Hidden signs list below this point
 
-
-
 /datum/barsign/hiddensigns/empbarsign
 	name = "Haywire Barsign"
 	icon = "empbarsign"
 	desc = "Something has gone very wrong."
 
-
-
 /datum/barsign/hiddensigns/syndibarsign
 	name = "Syndi Cat Takeover"
 	icon = "syndibarsign"
 	desc = "Syndicate or die."
 
-
-
 /datum/barsign/hiddensigns/signoff
 	name = "Bar Sign"
 	icon = "empty"

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

@@ -110,7 +110,7 @@
 		user.visible_message("<span class='notice'>[user] pulls [src] out from under [poordude].</span>", "<span class='notice'>You pull [src] out from under [poordude].</span>")
 		var/C = new item_chair(loc)
 		user.put_in_hands(C)
-		poordude.Knockdown(20)//rip in peace
+		poordude.DefaultCombatKnockdown(20)//rip in peace
 		user.adjustStaminaLoss(5)
 		unbuckle_all_mobs(TRUE)
 		qdel(src)
@@ -153,7 +153,7 @@
 ///Material chair
 /obj/structure/chair/greyscale
 	icon_state = "chair_greyscale"
-	material_flags = MATERIAL_ADD_PREFIX | MATERIAL_COLOR
+	material_flags = MATERIAL_ADD_PREFIX | MATERIAL_COLOR | MATERIAL_AFFECT_STATISTICS
 	item_chair = /obj/item/chair/greyscale
 	buildstacktype = null //Custom mats handle this
 
@@ -226,9 +226,15 @@
 /obj/structure/chair/comfy/black
 	color = rgb(167,164,153)
 
+/obj/structure/chair/comfy/green
+	color = rgb(81,173,106)
+
 /obj/structure/chair/comfy/lime
 	color = rgb(255,251,0)
 
+/obj/structure/chair/comfy/purple
+	color = rgb(255,50,230)
+
 /obj/structure/chair/comfy/plywood
 	name = "plywood chair"
 	desc = "A relaxing plywood chair."
@@ -371,13 +377,13 @@
 		if(iscarbon(target))
 			var/mob/living/carbon/C = target
 			if(C.health < C.maxHealth*0.5)
-				C.Knockdown(20)
+				C.DefaultCombatKnockdown(20)
 		smash(user)
 
 /obj/item/chair/greyscale
 	icon_state = "chair_greyscale_toppled"
 	item_state = "chair_greyscale"
-	material_flags = MATERIAL_ADD_PREFIX | MATERIAL_COLOR
+	material_flags = MATERIAL_ADD_PREFIX | MATERIAL_COLOR | MATERIAL_AFFECT_STATISTICS
 	origin_type = /obj/structure/chair/greyscale
 
 /obj/item/chair/stool
@@ -407,7 +413,7 @@
 	buildstackamount = 1
 
 /obj/structure/chair/stool/bar/alien
-	name = "bronze bar stool"
+	name = "alien bar stool"
 	desc = "A hard bar stool made of advanced alien alloy."
 	icon_state = "baralien"
 	icon = 'icons/obj/abductor.dmi'
@@ -576,40 +582,3 @@
 	. = ..()
 	if(has_gravity())
 		playsound(src, 'sound/machines/clockcult/integration_cog_install.ogg', 50, TRUE)
-
-/obj/structure/chair/sofa
-	name = "old ratty sofa"
-	icon_state = "sofamiddle"
-	icon = 'icons/obj/sofa.dmi'
-	buildstackamount = 1
-	var/mutable_appearance/armrest
-
-/obj/structure/chair/sofa/Initialize()
-	armrest = mutable_appearance(icon, "[icon_state]_armrest", ABOVE_MOB_LAYER)
-	return ..()
-
-/obj/structure/chair/sofa/post_buckle_mob(mob/living/M)
-	. = ..()
-	update_armrest()
-
-/obj/structure/chair/sofa/proc/update_armrest()
-	if(has_buckled_mobs())
-		add_overlay(armrest)
-	else
-		cut_overlay(armrest)
-
-/obj/structure/chair/sofa/post_unbuckle_mob()
-	. = ..()
-	update_armrest()
-
-/obj/structure/chair/sofa/left
-	icon_state = "sofaend_left"
-
-/obj/structure/chair/sofa/right
-	icon_state = "sofaend_right"
-
-/obj/structure/chair/sofa/corner
-	icon_state = "sofacorner"
-
-/obj/structure/chair/sofa/corner/handle_layer() //only the armrest/back of this chair should cover the mob.
-	return

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

@@ -10,7 +10,7 @@
 	item_chair = null
 
 /obj/structure/chair/pew/left
-	name = "left wooden pew end"
+	name = "wooden pew end"
 	icon_state = "pewend_left"
 	var/mutable_appearance/leftpewarmrest
 
@@ -41,7 +41,7 @@
 	update_leftpewarmrest()
 
 /obj/structure/chair/pew/right
-	name = "left wooden pew end"
+	name = "wooden pew end"
 	icon_state = "pewend_right"
 	var/mutable_appearance/rightpewarmrest
 

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

@@ -0,0 +1,52 @@
+/obj/structure/chair/sofa
+	name = "old ratty sofa"
+	icon_state = "sofamiddle"
+	icon = 'icons/obj/sofa.dmi'
+	buildstackamount = 1
+	var/mutable_appearance/armrest
+
+/obj/structure/chair/sofa/Initialize()
+	armrest = mutable_appearance(icon, "[icon_state]_armrest", ABOVE_MOB_LAYER)
+	return ..()
+
+/obj/structure/chair/sofa/post_buckle_mob(mob/living/M)
+	. = ..()
+	update_armrest()
+
+/obj/structure/chair/sofa/proc/update_armrest()
+	if(has_buckled_mobs())
+		add_overlay(armrest)
+	else
+		cut_overlay(armrest)
+
+/obj/structure/chair/sofa/post_unbuckle_mob()
+	. = ..()
+	update_armrest()
+
+/obj/structure/chair/sofa/left
+	icon_state = "sofaend_left"
+
+/obj/structure/chair/sofa/right
+	icon_state = "sofaend_right"
+
+/obj/structure/chair/sofa/corner
+	icon_state = "sofacorner"
+
+/obj/structure/chair/sofa/corner/handle_layer() //only the armrest/back of this chair should cover the mob.
+	return
+
+// Credit for the sprites goes to CEV Eris. The sprites were taken from Hyper Station and modified to fit with armrests which were also added.
+
+/obj/structure/chair/sofa/corp
+	name = "sofa"
+	desc = "Soft, cushy and cozy. These sofas reek of bland faceless corporatism, but they aren't old and ratty at least."
+	icon_state = "corp_sofamiddle"
+
+/obj/structure/chair/sofa/corp/left
+	icon_state = "corp_sofaend_left"
+
+/obj/structure/chair/sofa/corp/right
+	icon_state = "corp_sofaend_right"
+
+/obj/structure/chair/sofa/corp/corner
+	icon_state = "corp_sofacorner"

code/game/objects/structures/chess.dm

@@ -0,0 +1,76 @@
+/obj/structure/chess
+	anchored = FALSE
+	density = FALSE
+	icon = 'icons/obj/chess.dmi'
+	icon_state = "singularity_s1"
+	name = "Singularity"
+	desc = "You've just been pranked by the Syndicate Chess Grandmaster! Report this to CentCom."
+	max_integrity = 100
+
+/obj/structure/chess/wrench_act(mob/user, obj/item/tool)
+	to_chat(user, "<span class='notice'>You take apart the chess piece.</span>")
+	var/obj/item/stack/sheet/metal/M = new (drop_location(), 2)
+	M.add_fingerprint(user)
+	tool.play_tool_sound(src)
+	qdel(src)
+	return TRUE
+
+/obj/structure/chess/whitepawn
+	name = "\improper White Pawn"
+	desc = "A white pawn chess piece. Get accused of cheating when executing a sick En Passant."
+	icon_state = "white_pawn"
+
+/obj/structure/chess/whiterook
+	name = "\improper White Rook"
+	desc = "A white rook chess piece. Also known as a castle. Can move any number of tiles in a straight line. It has a special move called castling."
+	icon_state = "white_rook"
+
+/obj/structure/chess/whiteknight
+	name = "\improper White Knight"
+	desc = "A white knight chess piece. Hah. It can hop over other pieces, moving in L shapes."
+	icon_state = "white_knight"
+
+/obj/structure/chess/whitebishop
+	name = "\improper White Bishop"
+	desc = "A white bishop chess piece. It can move any number of tiles in a diagonal line."
+	icon_state = "white_bishop"
+
+/obj/structure/chess/whitequeen
+	name = "\improper White Queen"
+	desc = "A white queen chess piece. It can move any number of tiles in diagonal and straight lines."
+	icon_state = "white_queen"
+
+/obj/structure/chess/whiteking
+	name = "\improper White King"
+	desc = "A white king chess piece. It can move any tile in one direction."
+	icon_state = "white_king"
+
+/obj/structure/chess/blackpawn
+	name = "\improper Black Pawn"
+	desc = "A black pawn chess piece. Get accused of cheating when executing a sick En Passant."
+	icon_state = "black_pawn"
+
+/obj/structure/chess/blackrook
+	name = "\improper Black Rook"
+	desc = "A black rook chess piece. Also known as a castle. Can move any number of tiles in a straight line. It has a special move called castling."
+	icon_state = "black_rook"
+
+/obj/structure/chess/blackknight
+	name = "\improper Black Knight"
+	desc = "A black knight chess piece. It can hop over other pieces, moving in L shapes."
+	icon_state = "black_knight"
+
+/obj/structure/chess/blackbishop
+	name = "\improper Black Bishop"
+	desc = "A black bishop chess piece. It can move any number of tiles in a diagonal line."
+	icon_state = "black_bishop"
+
+/obj/structure/chess/blackqueen
+	name = "\improper Black Queen"
+	desc = "A black queen chess piece. It can move any number of tiles in diagonal and straight lines."
+	icon_state = "black_queen"
+
+/obj/structure/chess/blackking
+	name = "\improper Black King"
+	desc = "A black king chess piece. It can move one tile in any direction."
+	icon_state = "black_king"

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

@@ -359,7 +359,7 @@
 								"<span class='italics'>You hear [welder ? "welding" : "rustling of screws and metal"].</span>")
 				deconstruct(TRUE)
 				return
-		if(user.transferItemToLoc(W, drop_location())) // so we put in unlit welder too
+		if(user.a_intent != INTENT_HARM && user.transferItemToLoc(W, drop_location())) // so we put in unlit welder too
 			return TRUE
 	else if(istype(W, /obj/item/electronics/airlock))
 		handle_lock_addition(user, W)
@@ -431,7 +431,7 @@
 							 	 "<span class='italics'>You hear a loud metal bang.</span>")
 			var/mob/living/L = O
 			if(!issilicon(L))
-				L.Knockdown(40)
+				L.DefaultCombatKnockdown(40)
 			O.forceMove(T)
 			close()
 	else
@@ -474,8 +474,9 @@
 	set category = "Object"
 	set name = "Toggle Open"
 
-	if(!usr.canmove || usr.stat || usr.restrained())
-		return
+	var/mob/living/L = usr
+	if(!istype(L) || !CHECK_MOBILITY(L, MOBILITY_USE))
+		return FALSE
 
 	if(iscarbon(usr) || issilicon(usr) || isdrone(usr))
 		return attack_hand(usr)
@@ -510,7 +511,7 @@
 	user.visible_message("<span class='warning'>[src] begins to shake violently!</span>", \
 		"<span class='notice'>You lean on the back of [src] and start pushing the door open... (this will take about [DisplayTimeText(breakout_time)].)</span>", \
 		"<span class='italics'>You hear banging from [src].</span>")
-	if(do_after(user,(breakout_time), target = src))
+	if(do_after(user,(breakout_time), target = src, required_mobility_flags = MOBILITY_RESIST))
 		if(!user || user.stat != CONSCIOUS || user.loc != src || opened || (!locked && !welded) )
 			return
 		//we check after a while whether there is a point of resisting anymore and whether the user is capable of resisting
@@ -603,12 +604,12 @@
 	step_towards(user, T2)
 	T1 = get_turf(user)
 	if(T1 == T2)
-		user.resting = TRUE //so people can jump into crates without slamming the lid on their head
+		user.set_resting(TRUE, TRUE)
 		if(!close(user))
 			to_chat(user, "<span class='warning'>You can't get [src] to close!</span>")
-			user.resting = FALSE
+			user.set_resting(FALSE, TRUE)
 			return
-		user.resting = FALSE
+		user.set_resting(FALSE, TRUE)
 		togglelock(user)
 		T1.visible_message("<span class='warning'>[user] dives into [src]!</span>")
 

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

@@ -18,8 +18,8 @@
 	var/egged = 0
 	var/use_mob_movespeed = FALSE //Citadel adds snowflake box handling
 
-/obj/structure/closet/cardboard/relaymove(mob/user, direction)
-	if(opened || move_delay || user.stat || user.IsStun() || user.IsKnockdown() || user.IsUnconscious() || !isturf(loc) || !has_gravity(loc))
+/obj/structure/closet/cardboard/relaymove(mob/living/user, direction)
+	if(opened || move_delay || !CHECK_MOBILITY(user, MOBILITY_MOVE) || !isturf(loc) || !has_gravity(loc))
 		return
 	move_delay = TRUE
 	var/oldloc = loc

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

@@ -216,7 +216,7 @@
 	for(var/i in 1 to 3)
 		new /obj/item/clothing/suit/toggle/labcoat(src)
 	for(var/i in 1 to 3)
-		new /obj/item/clothing/suit/toggle/labcoat/emt(src)
+		new /obj/item/clothing/suit/toggle/labcoat/paramedic(src)
 	for(var/i in 1 to 3)
 		new /obj/item/clothing/shoes/sneakers/white(src)
 	for(var/i in 1 to 3)

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

@@ -4,10 +4,10 @@
 
 /obj/structure/closet/secure_closet/freezer/Destroy()
 	recursive_organ_check(src)
-	..()
+	return ..()
 
 /obj/structure/closet/secure_closet/freezer/Initialize()
-	..()
+	. = ..()
 	recursive_organ_check(src)
 
 /obj/structure/closet/secure_closet/freezer/open(mob/living/user)
@@ -17,14 +17,15 @@
 	return ..()
 
 /obj/structure/closet/secure_closet/freezer/close(mob/living/user)
-	if(..())	//if we actually closed the locker
+	. = ..()
+	if(.) //if we actually closed the locker
 		recursive_organ_check(src)
 
 /obj/structure/closet/secure_closet/freezer/ex_act()
 	if(!jones)
 		jones = TRUE
 	else
-		..()
+		return ..()
 
 /obj/structure/closet/secure_closet/freezer/kitchen
 	name = "kitchen Cabinet"

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

@@ -265,12 +265,15 @@
 	new /obj/item/clothing/head/helmet/alt(src)
 	new /obj/item/clothing/mask/gas/sechailer(src)
 	new /obj/item/clothing/suit/armor/bulletproof(src)
+
 /obj/structure/closet/secure_closet/lethalshots
-	name = "shotgun lethal rounds"
+	name = "lethal ammunition and riot staves"
 	req_access = list(ACCESS_ARMORY)
 	icon_state = "tac"
 /obj/structure/closet/secure_closet/lethalshots/PopulateContents()
 	..()
+	new /obj/item/twohanded/electrostaff(src)
+	new /obj/item/twohanded/electrostaff(src)
 	for(var/i in 1 to 3)
 		new /obj/item/storage/box/lethalshot(src)
 

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

@@ -83,9 +83,12 @@
 	desc = "It's a burial receptacle for the dearly departed."
 	icon_state = "coffin"
 	resistance_flags = FLAMMABLE
+	can_weld_shut = FALSE
+	breakout_time = 200
 	max_integrity = 70
 	material_drop = /obj/item/stack/sheet/mineral/wood
 	material_drop_amount = 5
+	var/pryLidTimer = 250
 
 /obj/structure/closet/crate/coffin/examine(mob/user)
 	. = ..()

code/game/objects/structures/holosign.dm

@@ -110,10 +110,10 @@
 	CanAtmosPass = ATMOS_PASS_NO
 	resistance_flags = FIRE_PROOF
 
-/obj/structure/holosign/barrier/combolock/blocksTemperature()
+/obj/structure/holosign/barrier/combifan/blocksTemperature()
 	return TRUE
 
-/obj/structure/holosign/barrier/combolock/Initialize()
+/obj/structure/holosign/barrier/combifan/Initialize()
 	. = ..()
 	air_update_turf(TRUE)
 

code/game/objects/structures/kitchen_spike.dm

@@ -64,6 +64,9 @@
 /obj/structure/kitchenspike/attack_hand(mob/user)
 	if(VIABLE_MOB_CHECK(user.pulling) && user.a_intent == INTENT_GRAB && !has_buckled_mobs())
 		var/mob/living/L = user.pulling
+		if(HAS_TRAIT(user, TRAIT_PACIFISM) && L.stat != DEAD)
+			to_chat(user, "<span class='warning'>You don't want to hurt a living creature!</span>")
+			return
 		if(do_mob(user, src, 120))
 			if(has_buckled_mobs()) //to prevent spam/queing up attacks
 				return
@@ -136,7 +139,7 @@
 	src.visible_message(text("<span class='danger'>[M] falls free of [src]!</span>"))
 	unbuckle_mob(M,force=1)
 	M.emote("scream")
-	M.AdjustKnockdown(20)
+	M.DefaultCombatKnockdown(20)
 
 /obj/structure/kitchenspike/Destroy()
 	if(has_buckled_mobs())

code/game/objects/structures/musician.dm

@@ -1,7 +1,7 @@
 
 #define MUSICIAN_HEARCHECK_MINDELAY 4
 #define MUSIC_MAXLINES 600
-#define MUSIC_MAXLINECHARS 50
+#define MUSIC_MAXLINECHARS 150
 
 /datum/song
 	var/name = "Untitled"
@@ -82,7 +82,7 @@
 
 /datum/song/proc/shouldStopPlaying(mob/user)
 	if(instrumentObj)
-		if(!user.canUseTopic(instrumentObj))
+		if(!user.canUseTopic(instrumentObj, TRUE, FALSE, FALSE, FALSE))
 			return TRUE
 		return !instrumentObj.anchored		// add special cases to stop in subclasses
 	else
@@ -220,7 +220,7 @@
 		updateDialog(usr)		// make sure updates when complete
 
 /datum/song/Topic(href, href_list)
-	if(!usr.canUseTopic(instrumentObj))
+	if(!usr.canUseTopic(instrumentObj, TRUE, FALSE, FALSE, FALSE))
 		usr << browse(null, "window=instrument")
 		usr.unset_machine()
 		return

code/game/objects/structures/petrified_statue.dm

@@ -49,7 +49,7 @@
 		if(S.mind)
 			if(petrified_mob)
 				S.mind.transfer_to(petrified_mob)
-				petrified_mob.Knockdown(100)
+				petrified_mob.DefaultCombatKnockdown(100)
 				to_chat(petrified_mob, "<span class='notice'>You slowly come back to your senses. You are in control of yourself again!</span>")
 		qdel(S)