Merge branch 'master' into kk-charpod

code/game/objects/items/contraband_vr.dm

@@ -11,14 +11,14 @@
 	/*var/spawn_chance = rand(1,100)
 	switch(spawn_chance)
 		if(0 to 49)
-			new /obj/random/gun/guarenteed(usr.loc)
-			to_chat(usr, "You got a thing!")
+			new /obj/random/gun/guarenteed(user.loc)
+			to_chat(user, "You got a thing!")
 		if(50 to 99)
-			new /obj/item/bikehorn/rubberducky(usr.loc)
-			new /obj/item/bikehorn(usr.loc)
-			to_chat(usr, "You got two things!")
+			new /obj/item/bikehorn/rubberducky(user.loc)
+			new /obj/item/bikehorn(user.loc)
+			to_chat(user, "You got two things!")
 		if(100)
-			to_chat(usr, "The box contained nothing!")
+			to_chat(user, "The box contained nothing!")
 			return
 	*/
 	var/loot = pick(/obj/effect/landmark/costume,
@@ -95,7 +95,7 @@
 		qdel(loot)
 		loot = new_I // swap it
 	//VOREstation edit end
-	new loot(usr.loc)
+	new loot(user.loc)
 	to_chat(user, "You unwrap the package.")
 	qdel(src)
 

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

@@ -59,27 +59,26 @@
 
 	return data
 
-/obj/item/aicard/tgui_act(action, params)
+/obj/item/aicard/tgui_act(action, params, datum/tgui/ui)
 	if(..())
 		return TRUE
 
 	if(!carded_ai)
 		return
 
-	var/user = usr
 	switch(action)
 		if("wipe")
-			msg_admin_attack("[key_name_admin(user)] wiped [key_name_admin(AI)] with \the [src].")
-			add_attack_logs(user,carded_ai,"Purged from AI Card")
+			msg_admin_attack("[key_name_admin(ui.user)] wiped [key_name_admin(AI)] with \the [src].")
+			add_attack_logs(ui.user,carded_ai,"Purged from AI Card")
 			INVOKE_ASYNC(src, PROC_REF(wipe_ai))
 		if("radio")
 			carded_ai.aiRadio.disabledAi = !carded_ai.aiRadio.disabledAi
 			to_chat(carded_ai, span_warning("Your Subspace Transceiver has been [carded_ai.aiRadio.disabledAi ? "disabled" : "enabled"]!"))
-			to_chat(user, span_notice("You [carded_ai.aiRadio.disabledAi ? "disable" : "enable"] the AI's Subspace Transceiver."))
+			to_chat(ui.user, span_notice("You [carded_ai.aiRadio.disabledAi ? "disable" : "enable"] the AI's Subspace Transceiver."))
 		if("wireless")
 			carded_ai.control_disabled = !carded_ai.control_disabled
 			to_chat(carded_ai, span_warning("Your wireless interface has been [carded_ai.control_disabled ? "disabled" : "enabled"]!"))
-			to_chat(user, span_notice("You [carded_ai.control_disabled ? "disable" : "enable"] the AI's wireless interface."))
+			to_chat(ui.user, span_notice("You [carded_ai.control_disabled ? "disable" : "enable"] the AI's wireless interface."))
 			if(carded_ai.control_disabled && carded_ai.deployed_shell)
 				carded_ai.disconnect_shell("Disconnecting from remote shell due to [src] wireless access interface being disabled.")
 			update_icon()

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

@@ -17,38 +17,38 @@
 	flags |= NOBLUDGEON //So borgs don't spark.
 
 /obj/item/bodysnatcher/attack(mob/living/M, mob/living/user)
-	usr.setClickCooldown(DEFAULT_ATTACK_COOLDOWN)
+	user.setClickCooldown(DEFAULT_ATTACK_COOLDOWN)
 	if(ishuman(M) || issilicon(M)) //Allows body swapping with humans, synths, and pAI's/borgs since they all have a mind.
-		if(usr == M)
+		if(user == M)
 			to_chat(user,span_warning(" A message pops up on the LED display, informing you that you that the mind transfer to yourself was successful... Wait, did that even do anything?"))
 			return
 
 		if(!M.mind) //Do they have a mind?
-			to_chat(usr,span_warning("A warning pops up on the device, informing you that [M] appears braindead."))
+			to_chat(user,span_warning("A warning pops up on the device, informing you that [M] appears braindead."))
 			return
 
 		if(!M.allow_mind_transfer)
-			to_chat(usr,span_danger("The target's mind is too complex to be affected!"))
+			to_chat(user,span_danger("The target's mind is too complex to be affected!"))
 			return
 
 		if(ishuman(M))
 			var/mob/living/carbon/human/H = M
-			if(H.resleeve_lock && usr.ckey != H.resleeve_lock)
+			if(H.resleeve_lock && user.ckey != H.resleeve_lock)
 				to_chat(src, span_danger("[H] cannot be impersonated!"))
 				return
 
 		if(M.stat == DEAD) //Are they dead?
-			to_chat(usr,span_warning("A warning pops up on the device, informing you that [M] is dead, and, as such, the mind transfer can not be done."))
+			to_chat(user,span_warning("A warning pops up on the device, informing you that [M] is dead, and, as such, the mind transfer can not be done."))
 			return
 
-		var/choice = tgui_alert(usr,"This will swap your mind with the target's mind. This will result in them controlling your body, and you controlling their body. Continue?","Confirmation",list("Continue","Cancel"))
-		if(choice == "Continue" && usr.get_active_hand() == src && usr.Adjacent(M))
+		var/choice = tgui_alert(user,"This will swap your mind with the target's mind. This will result in them controlling your body, and you controlling their body. Continue?","Confirmation",list("Continue","Cancel"))
+		if(choice == "Continue" && user.get_active_hand() == src && user.Adjacent(M))
 
-			usr.visible_message(span_warning("[usr] pushes the device up their forehead and [M]'s head, the device beginning to let out a series of light beeps!"),span_notice("You begin swap minds with [M]!"))
-			if(do_after(usr,35 SECONDS,M))
-				if(usr.mind && M.mind && M.stat != DEAD && usr.stat != DEAD)
-					log_and_message_admins("[usr.ckey] used a Bodysnatcher to swap bodies with [M.ckey]")
-					to_chat(usr,span_notice("Your minds have been swapped! Have a nice day."))
+			user.visible_message(span_warning("[user] pushes the device up their forehead and [M]'s head, the device beginning to let out a series of light beeps!"),span_notice("You begin swap minds with [M]!"))
+			if(do_after(user,35 SECONDS,M))
+				if(user.mind && M.mind && M.stat != DEAD && user.stat != DEAD)
+					log_and_message_admins("[user.ckey] used a Bodysnatcher to swap bodies with [M.ckey]")
+					to_chat(user,span_notice("Your minds have been swapped! Have a nice day."))
 					var/datum/mind/user_mind = user.mind
 					var/datum/mind/prey_mind = M.mind
 					var/target_ooc_notes = M.ooc_notes
@@ -58,8 +58,8 @@
 					var/user_likes = user.ooc_notes_likes
 					var/user_dislikes = user.ooc_notes_dislikes
 					M.ghostize()
-					usr.ghostize()
-					usr.mind = null
+					user.ghostize()
+					user.mind = null
 					M.mind = null
 					user_mind.current = null
 					prey_mind.current = null
@@ -73,9 +73,9 @@
 					user.ooc_notes = target_ooc_notes
 					user.ooc_notes_likes = target_likes
 					user.ooc_notes_dislikes = target_dislikes
-					usr.sleeping = 10 //Device knocks out both the user and the target.
-					usr.eye_blurry = 30 //Blurry vision while they both get used to their new body's vision
-					usr.slurring = 50 //And let's also have them slurring while they attempt to get used to using their new body.
+					user.sleeping = 10 //Device knocks out both the user and the target.
+					user.eye_blurry = 30 //Blurry vision while they both get used to their new body's vision
+					user.slurring = 50 //And let's also have them slurring while they attempt to get used to using their new body.
 					if(ishuman(M)) //Let's not have the AI slurring, even though its downright hilarious.
 						M.sleeping = 10
 						M.eye_blurry = 30

code/game/objects/items/devices/communicator/UI_tgui.dm

@@ -318,11 +318,11 @@
 	if(..())
 		return TRUE
 
-	add_fingerprint(usr)
+	add_fingerprint(ui.user)
 	. = TRUE
 	switch(action)
 		if("rename")
-			var/new_name = sanitizeSafe(tgui_input_text(usr,"Please enter your name.","Communicator",usr.name) )
+			var/new_name = sanitizeSafe(tgui_input_text(ui.user,"Please enter your name.","Communicator",ui.user.name) )
 			if(new_name)
 				register_device(new_name)
 
@@ -341,7 +341,7 @@
 			ringer = !ringer
 
 		if("set_ringer_tone")
-			var/ringtone = tgui_input_text(usr, "Set Ringer Tone", "Ringer")
+			var/ringtone = tgui_input_text(ui.user, "Set Ringer Tone", "Ringer")
 			if(ringtone)
 				ttone = ringtone
 
@@ -360,7 +360,7 @@
 
 		if("dial")
 			if(!get_connection_to_tcomms())
-				to_chat(usr, span_danger("Error: Cannot connect to Exonet node."))
+				to_chat(ui.user, span_danger("Error: Cannot connect to Exonet node."))
 				return FALSE
 			var/their_address = params["dial"]
 			exonet.send_message(their_address, "voice")
@@ -373,16 +373,16 @@
 
 		if("message")
 			if(!get_connection_to_tcomms())
-				to_chat(usr, span_danger("Error: Cannot connect to Exonet node."))
+				to_chat(ui.user, span_danger("Error: Cannot connect to Exonet node."))
 				return FALSE
 			var/their_address = params["message"]
-			var/text = sanitizeSafe(tgui_input_text(usr,"Enter your message.","Text Message"))
+			var/text = sanitizeSafe(tgui_input_text(ui.user,"Enter your message.","Text Message"))
 			if(text)
 				exonet.send_message(their_address, "text", text)
 				im_list += list(list("address" = exonet.address, "to_address" = their_address, "im" = text))
-				log_pda("(COMM: [src]) sent \"[text]\" to [exonet.get_atom_from_address(their_address)]", usr)
+				log_pda("(COMM: [src]) sent \"[text]\" to [exonet.get_atom_from_address(their_address)]", ui.user)
 				var/obj/item/communicator/comm = exonet.get_atom_from_address(their_address)
-				to_chat(usr, span_notice("[icon2html(src, usr.client)] Sent message to [istype(comm, /obj/item/communicator) ? comm.owner : comm.name], <b>\"[text]\"</b> (<a href='?src=\ref[src];action=Reply;target=\ref[exonet.get_atom_from_address(comm.exonet.address)]'>Reply</a>)"))
+				to_chat(ui.user, span_notice("[icon2html(src, ui.user.client)] Sent message to [istype(comm, /obj/item/communicator) ? comm.owner : comm.name], <b>\"[text]\"</b> (<a href='?src=\ref[src];action=Reply;target=\ref[exonet.get_atom_from_address(comm.exonet.address)]'>Reply</a>)"))
 				for(var/mob/M in player_list)
 					if(M.stat == DEAD && M.client?.prefs?.read_preference(/datum/preference/toggle/ghost_ears))
 						if(istype(M, /mob/new_player) || M.forbid_seeing_deadchat)
@@ -395,16 +395,16 @@
 			var/name_to_disconnect = params["disconnect"]
 			for(var/mob/living/voice/V in contents)
 				if(name_to_disconnect == sanitize(V.name))
-					close_connection(usr, V, "[usr] hung up")
+					close_connection(ui.user, V, "[ui.user] hung up")
 			for(var/obj/item/communicator/comm in communicating)
 				if(name_to_disconnect == sanitize(comm.name))
-					close_connection(usr, comm, "[usr] hung up")
+					close_connection(ui.user, comm, "[ui.user] hung up")
 
 		if("startvideo")
 			var/ref_to_video = params["startvideo"]
 			var/obj/item/communicator/comm = locate(ref_to_video)
 			if(comm)
-				connect_video(usr, comm)
+				connect_video(ui.user, comm)
 
 		if("endvideo")
 			if(video_source)
@@ -418,15 +418,15 @@
 
 		if("hang_up")
 			for(var/mob/living/voice/V in contents)
-				close_connection(usr, V, "[usr] hung up")
+				close_connection(ui.user, V, "[ui.user] hung up")
 			for(var/obj/item/communicator/comm in communicating)
-				close_connection(usr, comm, "[usr] hung up")
+				close_connection(ui.user, comm, "[ui.user] hung up")
 
 		if("switch_tab")
 			selected_tab = params["switch_tab"]
 
 		if("edit")
-			var/n = tgui_input_text(usr, "Please enter message", name, notehtml, multiline = TRUE, prevent_enter = TRUE)
+			var/n = tgui_input_text(ui.user, "Please enter message", name, notehtml, multiline = TRUE, prevent_enter = TRUE)
 			n = sanitizeSafe(n, extra = 0)
 			if(n)
 				note = html_decode(n)

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

@@ -132,7 +132,7 @@
 	if(!slot_check())
 		to_chat(user, span_warning("You need to equip [src] before taking out [paddles]."))
 	else
-		if(!usr.put_in_hands(paddles)) //Detach the paddles into the user's hands
+		if(!user.put_in_hands(paddles)) //Detach the paddles into the user's hands
 			to_chat(user, span_warning("You need a free hand to hold the paddles!"))
 		update_icon() //success
 

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

@@ -49,7 +49,7 @@
 	if(!evaluate_ghost_join(user))
 		return ..()
 
-	tgui_alert_async(usr, "Would you like to become [src]? It is bound to [revivedby].", "Become Mob", list("Yes","No"), CALLBACK(src, PROC_REF(reply_ghost_join)), 20 SECONDS)
+	tgui_alert_async(user, "Would you like to become [src]? It is bound to [revivedby].", "Become Mob", list("Yes","No"), CALLBACK(src, PROC_REF(reply_ghost_join)), 20 SECONDS)
 
 /// A reply to an async alert request was received
 /mob/living/simple_mob/proc/reply_ghost_join(response)

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

@@ -107,7 +107,7 @@
 	new painting_decal(F, painting_dir, painting_colour)
 
 /obj/item/floor_painter/attack_self(var/mob/user)
-	var/choice = tgui_alert(usr, "Do you wish to change the decal type, paint direction, or paint colour?", "Modify What?", list("Decal","Direction","Colour","Cancel"))
+	var/choice = tgui_alert(user, "Do you wish to change the decal type, paint direction, or paint colour?", "Modify What?", list("Decal","Direction","Colour","Cancel"))
 	if(choice == "Cancel")
 		return
 	else if(choice == "Decal")

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

@@ -134,14 +134,14 @@
 		var/mob/living/silicon/robot/R = user
 		if(R.emagged)
 			src.Emag()
-			to_chat(usr, You short circuit the [src].")
+			to_chat(user, You short circuit the [src].")
 			return
 	*/
-	to_chat(usr, "It has [uses] lights remaining.")
-	var/new_color = input(usr, "Choose a color to set the light to! (Default is [LIGHT_COLOR_INCANDESCENT_TUBE])", "", selected_color) as color|null
+	to_chat(user, "It has [uses] lights remaining.")
+	var/new_color = input(user, "Choose a color to set the light to! (Default is [LIGHT_COLOR_INCANDESCENT_TUBE])", "", selected_color) as color|null
 	if(new_color)
 		selected_color = new_color
-		to_chat(usr, "The light color has been changed.")
+		to_chat(user, "The light color has been changed.")
 
 /obj/item/lightreplacer/update_icon()
 	icon_state = "lightreplacer[emagged]"

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

@@ -120,7 +120,7 @@
 		return
 
 /obj/item/closet_painter/attack_self(var/mob/user)
-	var/choice = tgui_alert(usr, "Do you wish to change the regular closet color or the secure closet color?", "Color Selection", list("Regular Closet Colour","Cancel","Secure Closet Colour"))
+	var/choice = tgui_alert(user, "Do you wish to change the regular closet color or the secure closet color?", "Color Selection", list("Regular Closet Colour","Cancel","Secure Closet Colour"))
 	if(choice == "Regular Closet Colour")
 		choose_colour()
 	else if(choice == "Secure Closet Colour")

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

@@ -33,7 +33,7 @@
 	tool_qualities = list(TOOL_MULTITOOL)
 
 /obj/item/multitool/attack_self(mob/living/user)
-	var/choice = tgui_alert(usr, "What do you want to do with \the [src]?", "Multitool Menu", list("Switch Mode", "Clear Buffers", "Cancel"))
+	var/choice = tgui_alert(user, "What do you want to do with \the [src]?", "Multitool Menu", list("Switch Mode", "Clear Buffers", "Cancel"))
 	switch(choice)
 		if("Clear Buffers")
 			to_chat(user,span_notice("You clear \the [src]'s memory."))

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

@@ -61,21 +61,21 @@ GLOBAL_LIST_BOILERPLATE(all_pai_cards, /obj/item/paicard)
 	if(pai != null) //Have a person in them already?
 		return ..()
 	if(is_damage_critical())
-		to_chat(usr, span_warning("That card is too damaged to activate!"))
+		to_chat(user, span_warning("That card is too damaged to activate!"))
 		return
 	var/time_till_respawn = user.time_till_respawn()
 	if(time_till_respawn == -1) // Special case, never allowed to respawn
-		to_chat(usr, span_warning("Respawning is not allowed!"))
+		to_chat(user, span_warning("Respawning is not allowed!"))
 	else if(time_till_respawn) // Nonzero time to respawn
-		to_chat(usr, span_warning("You can't do that yet! You died too recently. You need to wait another [round(time_till_respawn/10/60, 0.1)] minutes."))
+		to_chat(user, span_warning("You can't do that yet! You died too recently. You need to wait another [round(time_till_respawn/10/60, 0.1)] minutes."))
 		return
-	if(jobban_isbanned(usr, JOB_PAI))
-		to_chat(usr,span_warning("You cannot join a pAI card when you are banned from playing as a pAI."))
+	if(jobban_isbanned(user, JOB_PAI))
+		to_chat(user,span_warning("You cannot join a pAI card when you are banned from playing as a pAI."))
 		return
 
 	for(var/ourkey in paikeys)
 		if(ourkey == user.ckey)
-			to_chat(usr, span_warning("You can't just rejoin any old pAI card!!! Your card still exists."))
+			to_chat(user, span_warning("You can't just rejoin any old pAI card!!! Your card still exists."))
 			return
 
 	var/choice = tgui_alert(user, "You sure you want to inhabit this PAI, or submit yourself to being recruited?", "Confirmation", list("Inhabit", "Recruit", "Cancel"))

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

@@ -240,7 +240,7 @@ var/global/list/default_medbay_channels = list(
 		return STATUS_CLOSE
 	return ..()
 
-/obj/item/radio/tgui_act(action, params)
+/obj/item/radio/tgui_act(action, params, datum/tgui/ui)
 	if(..())
 		return TRUE
 
@@ -251,8 +251,8 @@ var/global/list/default_medbay_channels = list(
 				new_frequency = sanitize_frequency(new_frequency)
 			set_frequency(new_frequency)
 			if(hidden_uplink)
-				if(hidden_uplink.check_trigger(usr, frequency, traitor_frequency))
-					usr << browse(null, "window=radio")
+				if(hidden_uplink.check_trigger(ui.user, frequency, traitor_frequency))
+					ui.user << browse(null, "window=radio")
 			. = TRUE
 		if("broadcast")
 			ToggleBroadcast()
@@ -269,7 +269,7 @@ var/global/list/default_medbay_channels = list(
 			. = TRUE
 		if("specFreq")
 			var/freq = params["channel"]
-			if(has_channel_access(usr, freq))
+			if(has_channel_access(ui.user, freq))
 				set_frequency(text2num(freq))
 			. = TRUE
 		if("subspace")
@@ -277,10 +277,10 @@ var/global/list/default_medbay_channels = list(
 				subspace_transmission = !subspace_transmission
 				if(!subspace_transmission)
 					channels = list()
-					to_chat(usr, span_notice("Subspace Transmission is disabled"))
+					to_chat(ui.user, span_notice("Subspace Transmission is disabled"))
 				else
 					recalculateChannels()
-					to_chat(usr, span_notice("Subspace Transmission is enabled"))
+					to_chat(ui.user, span_notice("Subspace Transmission is enabled"))
 				. = TRUE
 		if("toggleLoudspeaker")
 			if(!subspace_switchable)
@@ -288,12 +288,12 @@ var/global/list/default_medbay_channels = list(
 			loudspeaker = !loudspeaker
 
 			if(loudspeaker)
-				to_chat(usr, span_notice("Loadspeaker enabled."))
+				to_chat(ui.user, span_notice("Loadspeaker enabled."))
 			else
-				to_chat(usr, span_notice("Loadspeaker disabled."))
+				to_chat(ui.user, span_notice("Loadspeaker disabled."))
 			. = TRUE
 
-	if(. && iscarbon(usr))
+	if(. && iscarbon(ui.user))
 		playsound(src, "button", 10)
 
 GLOBAL_DATUM(autospeaker, /mob/living/silicon/ai/announcer)

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

@@ -64,7 +64,7 @@
 	if(!slot_check())
 		to_chat(user, span_warning("You need to equip [src] before taking out [handset]."))
 	else
-		if(!usr.put_in_hands(handset)) //Detach the handset into the user's hands
+		if(!user.put_in_hands(handset)) //Detach the handset into the user's hands
 			to_chat(user, span_warning("You need a free hand to hold the handset!"))
 		update_icon() //success
 

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

@@ -28,7 +28,7 @@
 	if (user.stat)
 		return
 	if (!user.IsAdvancedToolUser())
-		to_chat(usr, span_warning("You don't have the dexterity to do this!"))
+		to_chat(user, span_warning("You don't have the dexterity to do this!"))
 		return
 
 	analyze_gases(src, user)

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

@@ -201,7 +201,7 @@
 
 	operating = 1
 	while(selected_camera && Adjacent(user))
-		selected_camera = tgui_input_list(usr, "Select camera to view.", "Camera Choice", cameras)
+		selected_camera = tgui_input_list(user, "Select camera to view.", "Camera Choice", cameras)
 	selected_camera = null
 	operating = 0
 

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

@@ -20,13 +20,13 @@
 
 	var/ticket_name = sanitize(tgui_input_text(user, "The Name of the person you are issuing the ticket to.", "Name", max_length = 100))
 	if(length(ticket_name) > 100)
-		tgui_alert_async(usr, "Entered name too long. 100 character limit.","Error")
+		tgui_alert_async(user, "Entered name too long. 100 character limit.","Error")
 		return
 	if(!ticket_name)
 		return
 	var/details = sanitize(tgui_input_text(user, "What is the ticket for? Avoid entering personally identifiable information in this section. This information should not be used to harrass or otherwise make the person feel uncomfortable. (Max length: 200)", "Ticket Details", max_length = 200))
 	if(length(details) > 200)
-		tgui_alert_async(usr, "Entered details too long. 200 character limit.","Error")
+		tgui_alert_async(user, "Entered details too long. 200 character limit.","Error")
 		return
 	if(!details)
 		return
@@ -71,13 +71,13 @@
 
 	var/ticket_name = sanitize(tgui_input_text(user, "The Name of the person you are issuing the ticket to.", "Name", max_length = 100))
 	if(length(ticket_name) > 100)
-		tgui_alert_async(usr, "Entered name too long. 100 character limit.","Error")
+		tgui_alert_async(user, "Entered name too long. 100 character limit.","Error")
 		return
 	if(!ticket_name)
 		return
 	var/details = sanitize(tgui_input_text(user, "What is the ticket for? This could be anything like travel to a destination or permission to do something! This is not official and does not override any rules or authorities on the station.", "Ticket Details", max_length = 200))
 	if(length(details) > 200)
-		tgui_alert_async(usr, "Entered details too long. 200 character limit.","Error")
+		tgui_alert_async(user, "Entered details too long. 200 character limit.","Error")
 		return
 	if(!details)
 		return

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

@@ -86,7 +86,7 @@
 	data["valve"] = valve_open
 	return data
 
-/obj/item/transfer_valve/tgui_act(action, params)
+/obj/item/transfer_valve/tgui_act(action, params, datum/tgui/ui)
 	if(..())
 		return
 	. = TRUE
@@ -99,7 +99,7 @@
 			toggle_valve()
 		if("device")
 			if(attached_device)
-				attached_device.attack_self(usr)
+				attached_device.attack_self(ui.user)
 		if("remove_device")
 			if(attached_device)
 				attached_device.forceMove(get_turf(src))
@@ -110,7 +110,7 @@
 			. = FALSE
 	if(.)
 		update_icon()
-		add_fingerprint(usr)
+		add_fingerprint(ui.user)
 
 /obj/item/transfer_valve/proc/process_activation(var/obj/item/D)
 	if(toggle)

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

@@ -412,7 +412,7 @@ GLOBAL_LIST_BOILERPLATE(premade_tele_beacons, /obj/item/perfect_tele_beacon/stat
 	var/mob/living/L = user
 	var/confirm = tgui_alert(user, "You COULD eat the beacon...", "Eat beacon?", list("Eat it!", "No, thanks."))
 	if(confirm == "Eat it!")
-		var/obj/belly/bellychoice = tgui_input_list(usr, "Which belly?","Select A Belly", L.vore_organs)
+		var/obj/belly/bellychoice = tgui_input_list(user, "Which belly?","Select A Belly", L.vore_organs)
 		if(bellychoice)
 			user.visible_message(span_warning("[user] is trying to stuff \the [src] into [user.gender == MALE ? "his" : user.gender == FEMALE ? "her" : "their"] [bellychoice.name]!"),span_notice("You begin putting \the [src] into your [bellychoice.name]!"))
 			if(do_after(user,5 SECONDS,src))

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

@@ -197,7 +197,7 @@
 	switch(action)
 		if("buy")
 			var/datum/uplink_item/UI = (locate(params["ref"]) in uplink.items)
-			UI.buy(src, usr)
+			UI.buy(src, ui.user)
 			return TRUE
 		if("lock")
 			toggle()

code/game/objects/items/petrifier.dm

@@ -0,0 +1,28 @@
+/obj/item/petrifier
+	name = "odd button"
+	desc = "A metal device with a single, purple button on it, and a tiny interface."
+	icon = 'icons/obj/machines/petrification.dmi'
+	icon_state = "petrifier"
+
+	var/mob/living/carbon/human/target
+	var/identifier = "statue"
+	var/material = "stone"
+	var/adjective = "hardens"
+	var/tint = "#FFFFFF"
+	var/discard_clothes = TRUE
+	var/able_to_unpetrify = TRUE
+	var/obj/machinery/petrification/linked
+
+/obj/item/petrifier/Initialize(mapload, var/to_link)
+	. = ..()
+	linked = to_link
+
+/obj/item/petrifier/attack_self(var/mob/user)
+	. = ..()
+	if (!isturf(user.loc) && user.get_ultimate_mob() != target)
+		to_chat(user, span_warning("The device beeps but does nothing."))
+		return
+	if (linked?.petrify(user, src))
+		visible_message(span_notice("A ray of purple light streams out of \the [src], aimed directly at [target]. Everywhere the light touches on them quickly [adjective] into [material]."))
+		to_chat(user, span_warning("The device fizzles and crumbles into dust."))
+		qdel(src)

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

@@ -234,7 +234,7 @@
 		var/t = sanitizeSafe(tgui_input_text(user, "Enter new robot name", src.name, src.created_name), MAX_NAME_LEN)
 		if (!t)
 			return
-		if (!in_range(src, usr) && src.loc != usr)
+		if (!in_range(src, user) && src.loc != user)
 			return
 
 		src.created_name = t

code/game/objects/items/selectable_item_vr.dm

@@ -12,7 +12,7 @@
 
 /obj/item/selectable_item/attack_self(mob/user as mob)
 	tgui_alert(user, {"[preface_string]"}, preface_title)
-	var/chosen_item = tgui_input_list(usr, selection_string, selection_title, item_options)
+	var/chosen_item = tgui_input_list(user, selection_string, selection_title, item_options)
 	chosen_item = item_options[chosen_item]
 	if(!QDELETED(src) && chosen_item)
 		user.drop_item()
@@ -45,4 +45,4 @@
 	preface_title = "Gender Chemistry Kit"
 	item_options = list("Androrovir" = /obj/item/reagent_containers/glass/beaker/vial/androrovir,
 						"Gynorovir" = /obj/item/reagent_containers/glass/beaker/vial/gynorovir,
-						"Androgynorovir" = /obj/item/reagent_containers/glass/beaker/vial/androgynorovir)
+						"Androgynorovir" = /obj/item/reagent_containers/glass/beaker/vial/androgynorovir)

code/game/objects/items/shooting_range.dm

@@ -37,7 +37,7 @@
 		var/obj/item/weldingtool/WT = W.get_welder()
 		if(WT.remove_fuel(0, user))
 			cut_overlays()
-			to_chat(usr, "You slice off [src]'s uneven chunks of aluminum and scorch marks.")
+			to_chat(user, "You slice off [src]'s uneven chunks of aluminum and scorch marks.")
 			return
 
 

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

@@ -137,7 +137,7 @@
 			var/multiplier = text2num(params["multiplier"])
 			if(!multiplier || (multiplier <= 0)) //href exploit protection
 				return
-			produce_recipe(R, multiplier, usr)
+			produce_recipe(R, multiplier, ui.user)
 			return TRUE
 
 /obj/item/stack/proc/is_valid_recipe(datum/stack_recipe/R, list/recipe_list)
@@ -402,7 +402,7 @@
 
 /obj/item/stack/attack_hand(mob/user as mob)
 	if (user.get_inactive_hand() == src)
-		var/N = tgui_input_number(usr, "How many stacks of [src] would you like to split off?  There are currently [amount].", "Split stacks", 1, amount, 1)
+		var/N = tgui_input_number(user, "How many stacks of [src] would you like to split off?  There are currently [amount].", "Split stacks", 1, amount, 1)
 		if(N != round(N))
 			to_chat(user, span_warning("You cannot separate a non-whole number of stacks!"))
 			return
@@ -413,8 +413,8 @@
 				src.add_fingerprint(user)
 				F.add_fingerprint(user)
 				spawn(0)
-					if (src && usr.machine==src)
-						src.interact(usr)
+					if (src && user.machine==src)
+						src.interact(user)
 	else
 		..()
 	return
@@ -425,10 +425,10 @@
 		src.transfer_to(S)
 
 		spawn(0) //give the stacks a chance to delete themselves if necessary
-			if (S && usr.machine==S)
-				S.interact(usr)
-			if (src && usr.machine==src)
-				src.interact(usr)
+			if (S && user.machine==S)
+				S.interact(user)
+			if (src && user.machine==src)
+				src.interact(user)
 	else
 		return ..()
 

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

@@ -53,8 +53,8 @@
 			return
 
 		if(WT.remove_fuel(0,user))
-			new welds_into(usr.loc)
-			usr.update_icon()
+			new welds_into(user.loc)
+			user.update_icon()
 			visible_message(span_notice("\The [src] is shaped by [user.name] with the welding tool."),"You hear welding.")
 			var/obj/item/stack/tile/T = src
 			src = null

code/game/objects/items/toys/toys.dm

@@ -197,8 +197,8 @@
 		to_chat(user, span_warning("You can't do that right now!"))
 		return
 
-	if(tgui_alert(usr, "Are you sure you want to recolor your blade?", "Confirm Recolor", list("Yes", "No")) == "Yes")
-		var/energy_color_input = input(usr,"","Choose Energy Color",lcolor) as color|null
+	if(tgui_alert(user, "Are you sure you want to recolor your blade?", "Confirm Recolor", list("Yes", "No")) == "Yes")
+		var/energy_color_input = input(user,"","Choose Energy Color",lcolor) as color|null
 		if(energy_color_input)
 			lcolor = sanitize_hexcolor(energy_color_input)
 		update_icon()

code/game/objects/items/toys/toys_vr.dm

@@ -1023,9 +1023,9 @@
 	activate(user)
 
 /obj/item/toy/desk/MouseDrop(mob/user as mob) // Code from Paper bin, so you can still pick up the deck
-	if((user == usr && (!( usr.restrained() ) && (!( usr.stat ) && (usr.contents.Find(src) || in_range(src, usr))))))
-		if(!istype(usr, /mob/living/simple_mob))
-			if( !usr.get_active_hand() )		//if active hand is empty
+	if((user == usr && (!( user.restrained() ) && (!( user.stat ) && (user.contents.Find(src) || in_range(src, user))))))
+		if(!istype(user, /mob/living/simple_mob))
+			if(!user.get_active_hand())		//if active hand is empty
 				var/mob/living/carbon/human/H = user
 				var/obj/item/organ/external/temp = H.organs_by_name["r_hand"]
 

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

@@ -30,51 +30,51 @@ AI MODULES
 	if (istype(AM, /obj/machinery/computer/aiupload))
 		var/obj/machinery/computer/aiupload/comp = AM
 		if(comp.stat & NOPOWER)
-			to_chat(usr, "The upload computer has no power!")
+			to_chat(user, "The upload computer has no power!")
 			return
 		if(comp.stat & BROKEN)
-			to_chat(usr, "The upload computer is broken!")
+			to_chat(user, "The upload computer is broken!")
 			return
 		if (!comp.current)
-			to_chat(usr, "You haven't selected an AI to transmit laws to!")
+			to_chat(user, "You haven't selected an AI to transmit laws to!")
 			return
 
 		if (comp.current.stat == 2 || comp.current.control_disabled == 1)
-			to_chat(usr, "Upload failed. No signal is being detected from the AI.")
+			to_chat(user, "Upload failed. No signal is being detected from the AI.")
 		else if (comp.current.see_in_dark == 0)
-			to_chat(usr, "Upload failed. Only a faint signal is being detected from the AI, and it is not responding to our requests. It may be low on power.")
+			to_chat(user, "Upload failed. Only a faint signal is being detected from the AI, and it is not responding to our requests. It may be low on power.")
 		else
-			src.transmitInstructions(comp.current, usr)
+			src.transmitInstructions(comp.current, user)
 			to_chat(comp.current,  "These are your laws now:")
 			comp.current.show_laws()
 			for(var/mob/living/silicon/robot/R in mob_list)
 				if(R.lawupdate && (R.connected_ai == comp.current))
 					to_chat(R, "These are your laws now:")
 					R.show_laws()
-			to_chat(usr, "Upload complete. The AI's laws have been modified.")
+			to_chat(user, "Upload complete. The AI's laws have been modified.")
 
 
 	else if (istype(AM, /obj/machinery/computer/borgupload))
 		var/obj/machinery/computer/borgupload/comp = AM
 		if(comp.stat & NOPOWER)
-			to_chat(usr, "The upload computer has no power!")
+			to_chat(user, "The upload computer has no power!")
 			return
 		if(comp.stat & BROKEN)
-			to_chat(usr, "The upload computer is broken!")
+			to_chat(user, "The upload computer is broken!")
 			return
 		if (!comp.current)
-			to_chat(usr, "You haven't selected a robot to transmit laws to!")
+			to_chat(user, "You haven't selected a robot to transmit laws to!")
 			return
 
 		if (comp.current.stat == 2 || comp.current.emagged)
-			to_chat(usr, "Upload failed. No signal is being detected from the robot.")
+			to_chat(user, "Upload failed. No signal is being detected from the robot.")
 		else if (comp.current.connected_ai)
-			to_chat(usr, "Upload failed. The robot is slaved to an AI.")
+			to_chat(user, "Upload failed. The robot is slaved to an AI.")
 		else
-			src.transmitInstructions(comp.current, usr)
+			src.transmitInstructions(comp.current, user)
 			to_chat(comp.current,  "These are your laws now:")
 			comp.current.show_laws()
-			to_chat(usr, "Upload complete. The robot's laws have been modified.")
+			to_chat(user, "Upload complete. The robot's laws have been modified.")
 
 	else if(istype(AM, /mob/living/silicon/robot))
 		var/mob/living/silicon/robot/R = AM
@@ -133,13 +133,13 @@ AI MODULES
 
 /obj/item/aiModule/safeguard/attack_self(var/mob/user as mob)
 	..()
-	var/targName = sanitize(tgui_input_text(usr, "Please enter the name of the person to safeguard.", "Safeguard who?", user.name))
+	var/targName = sanitize(tgui_input_text(user, "Please enter the name of the person to safeguard.", "Safeguard who?", user.name))
 	targetName = targName
 	desc = text("A 'safeguard' AI module: 'Safeguard []. Anyone threatening or attempting to harm [] is no longer to be considered a crew member, and is a threat which must be neutralized.'", targetName, targetName)
 
 /obj/item/aiModule/safeguard/install(var/obj/machinery/computer/C, var/mob/living/user)
 	if(!targetName)
-		to_chat(usr, "No name detected on module, please enter one.")
+		to_chat(user, "No name detected on module, please enter one.")
 		return 0
 	..()
 
@@ -159,13 +159,13 @@ AI MODULES
 
 /obj/item/aiModule/oneHuman/attack_self(var/mob/user as mob)
 	..()
-	var/targName = sanitize(tgui_input_text(usr, "Please enter the name of the person who is the only crew member.", "Who?", user.real_name))
+	var/targName = sanitize(tgui_input_text(user, "Please enter the name of the person who is the only crew member.", "Who?", user.real_name))
 	targetName = targName
 	desc = text("A 'one crew member' AI module: 'Only [] is a crew member.'", targetName)
 
 /obj/item/aiModule/oneHuman/install(var/obj/machinery/computer/C, var/mob/living/user)
 	if(!targetName)
-		to_chat(usr, "No name detected on module, please enter one.")
+		to_chat(user, "No name detected on module, please enter one.")
 		return 0
 	return ..()
 
@@ -240,11 +240,11 @@ AI MODULES
 
 /obj/item/aiModule/freeform/attack_self(var/mob/user as mob)
 	..()
-	var/new_lawpos = tgui_input_number(usr, "Please enter the priority for your new law. Can only write to law sectors 15 and above.", "Law Priority (15+)", lawpos)
+	var/new_lawpos = tgui_input_number(user, "Please enter the priority for your new law. Can only write to law sectors 15 and above.", "Law Priority (15+)", lawpos)
 	if(new_lawpos < MIN_SUPPLIED_LAW_NUMBER)	return
 	lawpos = min(new_lawpos, MAX_SUPPLIED_LAW_NUMBER)
 	var/newlaw = ""
-	var/targName = sanitize(tgui_input_text(usr, "Please enter a new law for the AI.", "Freeform Law Entry", newlaw))
+	var/targName = sanitize(tgui_input_text(user, "Please enter a new law for the AI.", "Freeform Law Entry", newlaw))
 	newFreeFormLaw = targName
 	desc = "A 'freeform' AI module: ([lawpos]) '[newFreeFormLaw]'"
 
@@ -257,7 +257,7 @@ AI MODULES
 
 /obj/item/aiModule/freeform/install(var/obj/machinery/computer/C, var/mob/living/user)
 	if(!newFreeFormLaw)
-		to_chat(usr, "No law detected on module, please create one.")
+		to_chat(user, "No law detected on module, please create one.")
 		return 0
 	..()
 
@@ -362,7 +362,7 @@ AI MODULES
 /obj/item/aiModule/freeformcore/attack_self(var/mob/user as mob)
 	..()
 	var/newlaw = ""
-	var/targName = sanitize(tgui_input_text(usr, "Please enter a new core law for the AI.", "Freeform Law Entry", newlaw))
+	var/targName = sanitize(tgui_input_text(user, "Please enter a new core law for the AI.", "Freeform Law Entry", newlaw))
 	newFreeFormLaw = targName
 	desc = "A 'freeform' Core AI module:  '[newFreeFormLaw]'"
 
@@ -373,7 +373,7 @@ AI MODULES
 
 /obj/item/aiModule/freeformcore/install(var/obj/machinery/computer/C, var/mob/living/user)
 	if(!newFreeFormLaw)
-		to_chat(usr, "No law detected on module, please create one.")
+		to_chat(user, "No law detected on module, please create one.")
 		return 0
 	..()
 
@@ -386,7 +386,7 @@ AI MODULES
 /obj/item/aiModule/syndicate/attack_self(var/mob/user as mob)
 	..()
 	var/newlaw = ""
-	var/targName = sanitize(tgui_input_text(usr, "Please enter a new law for the AI.", "Freeform Law Entry", newlaw))
+	var/targName = sanitize(tgui_input_text(user, "Please enter a new law for the AI.", "Freeform Law Entry", newlaw))
 	newFreeFormLaw = targName
 	desc = "A hacked AI law module:  '[newFreeFormLaw]'"
 
@@ -402,7 +402,7 @@ AI MODULES
 
 /obj/item/aiModule/syndicate/install(var/obj/machinery/computer/C, var/mob/living/user)
 	if(!newFreeFormLaw)
-		to_chat(usr, "No law detected on module, please create one.")
+		to_chat(user, "No law detected on module, please create one.")
 		return 0
 	..()
 

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

@@ -112,10 +112,10 @@
 
 	return data
 
-/obj/item/pipe_dispenser/tgui_act(action, params)
+/obj/item/pipe_dispenser/tgui_act(action, params, datum/tgui/ui)
 	if(..())
 		return TRUE
-	if(!usr.canmove || usr.stat || usr.restrained() || !in_range(loc, usr))
+	if(!ui.user.canmove || ui.user.stat || ui.user.restrained() || !in_range(loc, ui.user))
 		return TRUE
 	var/playeffect = TRUE
 	switch(action)
@@ -217,7 +217,7 @@
 						var/obj/item/pipe/P = new pipe_item_type(get_turf(A), path, queued_p_dir)
 
 						P.update()
-						P.add_fingerprint(usr)
+						P.add_fingerprint(user)
 						if(R.paintable)
 							P.color = pipe_colors[paint_color]
 						P.setPipingLayer(queued_piping_layer)
@@ -248,7 +248,7 @@
 
 					activate()
 
-					C.add_fingerprint(usr)
+					C.add_fingerprint(user)
 					C.update_icon()
 					if(mode & WRENCH_MODE)
 						do_wrench(C, user)

code/game/objects/items/weapons/circuitboards/computer/camera_monitor.dm

@@ -74,14 +74,14 @@
 			to_chat(user, span_warning("Circuit controls are locked."))
 			return
 		var/existing_networks = jointext(network,",")
-		var/input = sanitize(tgui_input_text(usr, "Which networks would you like to connect this camera console circuit to? Separate networks with a comma. No Spaces!\nFor example: SS13,Security,Secret ", "Multitool-Circuitboard interface", existing_networks))
+		var/input = sanitize(tgui_input_text(user, "Which networks would you like to connect this camera console circuit to? Separate networks with a comma. No Spaces!\nFor example: SS13,Security,Secret ", "Multitool-Circuitboard interface", existing_networks))
 		if(!input)
-			to_chat(usr, "No input found please hang up and try your call again.")
+			to_chat(user, "No input found please hang up and try your call again.")
 			return
 		var/list/tempnetwork = splittext(input, ",")
 		tempnetwork = difflist(tempnetwork,restricted_camera_networks,1)
 		if(tempnetwork.len < 1)
-			to_chat(usr, "No network found please hang up and try your call again.")
+			to_chat(user, "No network found please hang up and try your call again.")
 			return
 		network = tempnetwork
 	return

code/game/objects/items/weapons/circuitboards/computer/supply.dm

@@ -32,7 +32,7 @@
 			opposite_catastasis = "BROAD"
 			catastasis = "STANDARD"
 
-		switch(tgui_alert(usr, "Current receiver spectrum is set to: [catastasis]","Multitool-Circuitboard interface",list("Switch to [opposite_catastasis]","Cancel")))
+		switch(tgui_alert(user, "Current receiver spectrum is set to: [catastasis]","Multitool-Circuitboard interface",list("Switch to [opposite_catastasis]","Cancel")))
 			if("Switch to STANDARD","Switch to BROAD")
 				src.contraband_enabled = !src.contraband_enabled
 

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

@@ -101,7 +101,7 @@
 /obj/item/dnainjector/attack(mob/M as mob, mob/user as mob)
 	if (!istype(M, /mob))
 		return
-	if (!usr.IsAdvancedToolUser())
+	if (!user.IsAdvancedToolUser())
 		return
 	if(inuse)
 		return 0

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

@@ -39,7 +39,7 @@
 		..()
 
 /obj/item/plastique/attack_self(mob/user as mob)
-	var/newtime = tgui_input_number(usr, "Please set the timer.", "Timer", 10, 60000, 10)
+	var/newtime = tgui_input_number(user, "Please set the timer.", "Timer", 10, 60000, 10)
 	if(user.get_active_hand() == src)
 		newtime = CLAMP(newtime, 10, 60000)
 		timer = newtime

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

@@ -99,7 +99,7 @@
 
 	if (!safety)
 		if (src.reagents.total_volume < 1)
-			to_chat(usr, span_notice("\The [src] is empty."))
+			to_chat(user, span_notice("\The [src] is empty."))
 			return
 
 		if (world.time < src.last_use + 20)
@@ -136,7 +136,7 @@
 				W.set_color()
 				W.set_up(my_target)
 
-		if((istype(usr.loc, /turf/space)) || (usr.lastarea.get_gravity() == 0))
+		if((istype(user.loc, /turf/space)) || (user.lastarea.get_gravity() == 0))
 			user.inertia_dir = get_dir(target, user)
 			step(user, user.inertia_dir)
 	else

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

@@ -11,15 +11,15 @@ THAT STUPID GAME KIT
 	return src.attack_hand(user)
 
 /obj/item/game_kit/MouseDrop(mob/user as mob)
-	if (user == usr && !usr.restrained() && !usr.stat && (usr.contents.Find(src) || in_range(src, usr)))
-		if (usr.hand)
-			if (!usr.l_hand)
+	if (user == usr && !user.restrained() && !user.stat && (user.contents.Find(src) || in_range(src, user)))
+		if (user.hand)
+			if (!user.l_hand)
 				spawn (0)
-					src.attack_hand(usr, 1, 1)
+					src.attack_hand(user, 1, 1)
 		else
-			if (!usr.r_hand)
+			if (!user.r_hand)
 				spawn (0)
-					src.attack_hand(usr, 0, 1)
+					src.attack_hand(user, 0, 1)
 
 /obj/item/game_kit/proc/update()
 	var/dat = text("<CENTER><B>Game Board</B></CENTER><BR><a href='?src=\ref[];mode=hia'>[]</a> <a href='?src=\ref[];mode=remove'>remove</a><HR><table width= 256  border= 0  height= 256  cellspacing= 0  cellpadding= 0 >", src, (src.selected ? text("Selected: []", src.selected) : "Nothing Selected"), src)

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

@@ -32,7 +32,7 @@
 		if(detonator)
 //				detonator.loc=src.loc
 			detonator.detached()
-			usr.put_in_hands(detonator)
+			user.put_in_hands(detonator)
 			detonator=null
 			det_time = null
 			stage=0

code/game/objects/items/weapons/id cards/cards.dm

@@ -130,11 +130,11 @@
 	if(istype(O, /obj/item/stack/telecrystal))
 		var/obj/item/stack/telecrystal/T = O
 		if(T.get_amount() < 1)
-			to_chat(usr, span_notice("You are not adding enough telecrystals to fuel \the [src]."))
+			to_chat(user, span_notice("You are not adding enough telecrystals to fuel \the [src]."))
 			return
 		uses += T.get_amount()*0.5 //Gives 5 uses per 10 TC
 		uses = CEILING(uses, 1) //Ensures no decimal uses nonsense, rounds up to be nice
-		to_chat(usr, span_notice("You add \the [O] to \the [src]. Increasing the uses of \the [src] to [uses]."))
+		to_chat(user, span_notice("You add \the [O] to \the [src]. Increasing the uses of \the [src] to [uses]."))
 		qdel(O)
 
 
@@ -201,13 +201,13 @@
 	if(I)
 		icon = I
 
-/obj/item/card_fluff/attack_self()
+/obj/item/card_fluff/attack_self(mob/user)
 
-	var/choice = tgui_input_list(usr, "What element would you like to customize?", "Customize Card", list("Band","Stamp","Reset"))
+	var/choice = tgui_input_list(user, "What element would you like to customize?", "Customize Card", list("Band","Stamp","Reset"))
 	if(!choice) return
 
 	if(choice == "Band")
-		var/bandchoice = tgui_input_list(usr, "Select colour", "Band colour", list("red","orange","green","dark green","medical blue","dark blue","purple","tan","pink","gold","white","black"))
+		var/bandchoice = tgui_input_list(user, "Select colour", "Band colour", list("red","orange","green","dark green","medical blue","dark blue","purple","tan","pink","gold","white","black"))
 		if(!bandchoice) return
 
 		if(bandchoice == "red")
@@ -238,7 +238,7 @@
 		update_icon()
 		return
 	else if(choice == "Stamp")
-		var/stampchoice = tgui_input_list(usr, "Select image", "Stamp image", list("ship","cross","big ears","shield","circle-cross","target","smile","frown","peace","exclamation"))
+		var/stampchoice = tgui_input_list(user, "Select image", "Stamp image", list("ship","cross","big ears","shield","circle-cross","target","smile","frown","peace","exclamation"))
 		if(!stampchoice) return
 
 		if(stampchoice == "ship")

code/game/objects/items/weapons/id cards/syndicate_ids.dm

@@ -38,7 +38,7 @@
 	if(!registered_user && register_user(user))
 		to_chat(user, span_notice("The microscanner marks you as its owner, preventing others from accessing its internals."))
 	if(registered_user == user)
-		switch(tgui_alert(usr, "Would you like to edit the ID, or show it?","Show or Edit?", list("Edit","Show")))
+		switch(tgui_alert(user, "Would you like to edit the ID, or show it?","Show or Edit?", list("Edit","Show")))
 			if(null)
 				return
 			if("Edit")

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

@@ -24,7 +24,7 @@
 		var/t = tgui_input_text(user, "What would you like the label to be?", text("[]", src.name), null, MAX_NAME_LEN)
 		if (user.get_active_hand() != I)
 			return
-		if((!in_range(src, usr) && src.loc != user))
+		if((!in_range(src, user) && src.loc != user))
 			return
 		t = sanitizeSafe(t, MAX_NAME_LEN)
 		if(t)

code/game/objects/items/weapons/implants/implantreagent_vr.dm

@@ -92,7 +92,7 @@
 		if(container.reagents.total_volume < container.volume)
 			var/container_name = container.name
 			if(rimplant.reagents.trans_to(container, amount = rimplant.transfer_amount))
-				user.visible_message(span_notice("[usr] [pick(rimplant.emote_descriptor)] into \the [container_name]."),
+				user.visible_message(span_notice("[user] [pick(rimplant.emote_descriptor)] into \the [container_name]."),
 									span_notice("You [pick(rimplant.self_emote_descriptor)] some [rimplant.reagent_name] into \the [container_name]."))
 				if(prob(5))
 					src.visible_message(span_notice("[src] [pick(rimplant.random_emote)].")) // M-mlem.

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

@@ -29,7 +29,7 @@
 /obj/item/chainsaw/proc/turnOn(mob/user as mob)
 	if(on) return
 
-	visible_message("You start pulling the string on \the [src].", "[usr] starts pulling the string on the [src].")
+	visible_message("You start pulling the string on \the [src].", "[user] starts pulling the string on the [src].")
 
 	if(max_fuel <= 0)
 		if(do_after(user, 15))
@@ -38,7 +38,7 @@
 			to_chat(user, "You fumble with the string.")
 	else
 		if(do_after(user, 15))
-			visible_message("You start \the [src] up with a loud grinding!", "[usr] starts \the [src] up with a loud grinding!")
+			visible_message("You start \the [src] up with a loud grinding!", "[user] starts \the [src] up with a loud grinding!")
 			attack_verb = list("shredded", "ripped", "torn")
 			playsound(src, 'sound/weapons/chainsaw_startup.ogg',40,1)
 			force = active_force
@@ -91,7 +91,7 @@
 				Hyd.die()
 	if (istype(A, /obj/structure/reagent_dispensers/fueltank) && get_dist(src,A) <= 1)
 		to_chat(user, span_notice("You begin filling the tank on the chainsaw."))
-		if(do_after(usr, 15))
+		if(do_after(user, 15))
 			A.reagents.trans_to_obj(src, max_fuel)
 			playsound(src, 'sound/effects/refill.ogg', 50, 1, -6)
 			to_chat(user, span_notice("Chainsaw succesfully refueled."))

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

@@ -66,13 +66,13 @@
 		return 0
 	else
 		to_chat(user, span_notice("You begin to place \the [src.name]."))
-		if(!do_after(usr, 10))
+		if(!do_after(user, 10))
 			return 0
 		var/obj/structure/gravemarker/G = new /obj/structure/gravemarker/(user.loc, src.get_material())
 		to_chat(user, span_notice("You place \the [src.name]."))
 		G.grave_name = grave_name
 		G.epitaph = epitaph
-		G.add_fingerprint(usr)
+		G.add_fingerprint(user)
 		G.dir = user.dir
 		QDEL_NULL(src)
 	return

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

@@ -145,7 +145,7 @@
 			to_chat(M, "You should repair [src] first. Try using [kit] on it.")
 			return FALSE
 		M.visible_message("[M] begins to replace parts of [src] with [kit].", "You begin to replace parts of [src] with [kit].")
-		if(do_after(usr, sharpen_time))
+		if(do_after(M, sharpen_time))
 			M.visible_message("[M] has finished replacing parts of [src].", "You finish replacing parts of [src].")
 			src.set_material(material)
 			return TRUE

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

@@ -187,8 +187,8 @@
 		to_chat(user, span_warning("You can't do that right now!"))
 		return
 
-	if(tgui_alert(usr, "Are you sure you want to recolor your blade?", "Confirm Recolor", list("Yes", "No")) == "Yes")
-		var/energy_color_input = input(usr,"","Choose Energy Color",lcolor) as color|null
+	if(tgui_alert(user, "Are you sure you want to recolor your blade?", "Confirm Recolor", list("Yes", "No")) == "Yes")
+		var/energy_color_input = input(user,"","Choose Energy Color",lcolor) as color|null
 		if(energy_color_input)
 			lcolor = sanitize_hexcolor(energy_color_input)
 		update_icon()

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

@@ -16,7 +16,7 @@
 
 /obj/item/teleportation_scroll/attack_self(mob/user as mob)
 	if((user.mind && !wizards.is_antagonist(user.mind)))
-		to_chat(usr, span_warning("You stare at the scroll but cannot make sense of the markings!"))
+		to_chat(user, span_warning("You stare at the scroll but cannot make sense of the markings!"))
 		return
 
 	user.set_machine(src)

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

@@ -208,8 +208,8 @@
 	if(user.incapacitated() || !istype(user))
 		to_chat(user, span_warning("You can't do that right now!"))
 		return
-	if(tgui_alert(usr, "Are you sure you want to recolor your shield?", "Confirm Recolor", list("Yes", "No")) == "Yes")
-		var/energy_color_input = input(usr,"","Choose Energy Color",lcolor) as color|null
+	if(tgui_alert(user, "Are you sure you want to recolor your shield?", "Confirm Recolor", list("Yes", "No")) == "Yes")
+		var/energy_color_input = input(user,"","Choose Energy Color",lcolor) as color|null
 		if(energy_color_input)
 			lcolor = sanitize_hexcolor(energy_color_input)
 		update_icon()

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

@@ -79,7 +79,7 @@
 /obj/item/storage/fancy/egg_box/open(mob/user as mob)
 	if(open)
 		return
-	if (isobserver(usr))
+	if (isobserver(user))
 		return
 	open = TRUE
 	update_icon()

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

@@ -36,7 +36,7 @@ MRE Stuff
 
 /obj/item/storage/mre/open(mob/user)
 	if(!opened)
-		to_chat(usr, span_notice("You tear open the bag, breaking the vacuum seal."))
+		to_chat(user, span_notice("You tear open the bag, breaking the vacuum seal."))
 		opened = 1
 		update_icon()
 	. = ..()
@@ -236,7 +236,7 @@ MRE Stuff
 
 /obj/item/storage/mrebag/open(mob/user)
 	if(!opened && !isobserver(user))
-		to_chat(usr, span_notice("The pouch heats up as you break the vacuum seal."))
+		to_chat(user, span_notice("The pouch heats up as you break the vacuum seal."))
 		opened = 1
 		update_icon()
 	. = ..()

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

@@ -52,7 +52,7 @@
 		if (istype(W, /obj/item/multitool) && (src.open == 1)&& (!src.l_hacking))
 			user.show_message(span_notice("Now attempting to reset internal memory, please hold."), 1)
 			src.l_hacking = 1
-			if (do_after(usr, 100))
+			if (do_after(user, 100))
 				if (prob(40))
 					src.l_setshort = 1
 					src.l_set = 0
@@ -84,7 +84,7 @@
 	if (isliving(user) && Adjacent(user) && (src.locked == 1))
 		to_chat(user, span_warning("[src] is locked and cannot be opened!"))
 	else if (isliving(user) && Adjacent(user) && (!src.locked))
-		src.open(usr)
+		src.open(user)
 	else
 		for(var/mob/M in range(1))
 			if (M.s_active == src)
@@ -110,7 +110,7 @@
 	data["l_set"] = l_set
 	return data
 
-/obj/item/storage/secure/tgui_act(action, params)
+/obj/item/storage/secure/tgui_act(action, params, datum/tgui/ui)
 	if(..())
 		return TRUE
 	switch (action)
@@ -132,12 +132,12 @@
 					src.locked = 1
 					cut_overlays()
 					src.code = null
-					src.close(usr)
+					src.close(ui.user)
 				else
 					src.code += text("[]", digit)
 					if (length(src.code) > 5)
 						src.code = "ERROR"
-	src.add_fingerprint(usr)
+	src.add_fingerprint(ui.user)
 	. = TRUE
 	return
 
@@ -172,7 +172,7 @@
 	if ((src.loc == user) && (src.locked == 1))
 		to_chat(user, span_warning("[src] is locked and cannot be opened!"))
 	else if ((src.loc == user) && (!src.locked))
-		src.open(usr)
+		src.open(user)
 	else
 		..()
 		for(var/mob/M in range(1))

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

@@ -787,7 +787,7 @@
 	var/open = 0
 	storage_slots = 1
 	can_hold = list(
-		/obj/item/clothing/gloves/ring,
+		/obj/item/clothing/accessory/ring,
 		/obj/item/coin,
 		/obj/item/clothing/accessory/medal
 		)
@@ -801,7 +801,7 @@
 
 		if(contents.len >= 1)
 			var/contained_image = null
-			if(istype(contents[1],  /obj/item/clothing/gloves/ring))
+			if(istype(contents[1],  /obj/item/clothing/accessory/ring))
 				contained_image = "ring_trinket"
 			else if(istype(contents[1], /obj/item/coin))
 				contained_image = "coin_trinket"

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

@@ -141,12 +141,12 @@ var/list/global/tank_gauge_cache = list()
 
 				var/obj/item/assembly_holder/assy = src.proxyassembly.assembly
 				if(assy.a_left && assy.a_right)
-					assy.dropInto(usr.loc)
+					assy.dropInto(user.loc)
 					assy.master = null
 					src.proxyassembly.assembly = null
 				else
 					if(!src.proxyassembly.assembly.a_left)
-						assy.a_right.dropInto(usr.loc)
+						assy.a_right.dropInto(user.loc)
 						assy.a_right.holder = null
 						assy.a_right = null
 						src.proxyassembly.assembly = null
@@ -257,7 +257,7 @@ var/list/global/tank_gauge_cache = list()
 
 	return data
 
-/obj/item/tank/tgui_act(action, params)
+/obj/item/tank/tgui_act(action, params, datum/tgui/ui)
 	if(..())
 		return TRUE
 	switch(action)
@@ -278,10 +278,10 @@ var/list/global/tank_gauge_cache = list()
 			if(.)
 				distribute_pressure = clamp(round(pressure), 0, TANK_MAX_RELEASE_PRESSURE)
 		if("toggle")
-			toggle_valve(usr)
+			toggle_valve(ui.user)
 			. = TRUE
 
-	add_fingerprint(usr)
+	add_fingerprint(ui.user)
 
 /obj/item/tank/proc/toggle_valve(var/mob/user)
 	if(istype(loc,/mob/living/carbon))

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

@@ -330,17 +330,17 @@
 		if(H.nif && H.nif.flag_check(NIF_V_UVFILTER,NIF_FLAGS_VISION)) return //VOREStation Add - NIF
 		switch(safety)
 			if(1)
-				to_chat(usr, span_warning("Your eyes sting a little."))
+				to_chat(user, span_warning("Your eyes sting a little."))
 				E.damage += rand(1, 2)
 				if(E.damage > 12)
 					user.eye_blurry += rand(3,6)
 			if(0)
-				to_chat(usr, span_warning("Your eyes burn."))
+				to_chat(user, span_warning("Your eyes burn."))
 				E.damage += rand(2, 4)
 				if(E.damage > 10)
 					E.damage += rand(4,10)
 			if(-1)
-				to_chat(usr, span_danger("Your thermals intensify the welder's glow. Your eyes itch and burn severely."))
+				to_chat(user, span_danger("Your thermals intensify the welder's glow. Your eyes itch and burn severely."))
 				user.eye_blurry += rand(12,20)
 				E.damage += rand(12, 16)
 		if(safety<2)

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

@@ -46,7 +46,7 @@
 
 /obj/item/tool/wirecutters/attack(mob/living/carbon/C as mob, mob/user as mob)
 	if(istype(C) && user.a_intent == I_HELP && (C.handcuffed) && (istype(C.handcuffed, /obj/item/handcuffs/cable)))
-		usr.visible_message("\The [usr] cuts \the [C]'s restraints with \the [src]!",\
+		user.visible_message("\The [user] cuts \the [C]'s restraints with \the [src]!",\
 		"You cut \the [C]'s restraints with \the [src]!",\
 		"You hear cable being cut.")
 		C.handcuffed = null