[MIRROR] default tgui alert input handling (#8891)

Co-authored-by: Kashargul <144968721+Kashargul@users.noreply.github.com>
Co-authored-by: Kashargul <KashL@t-online.de>

code/controllers/subsystems/media_tracks.dm

@@ -145,7 +145,7 @@ SUBSYSTEM_DEF(media_tracks)
 		return
 
 	var/secret = tgui_alert(C, "Optional: Mark track as secret?", "Track Secret", list("Yes", "Cancel", "No"))
-	if(secret == "Cancel")
+	if(!secret || secret == "Cancel")
 		return
 	else if(secret == "Yes")
 		secret = TRUE
@@ -153,7 +153,7 @@ SUBSYSTEM_DEF(media_tracks)
 		secret = FALSE
 
 	var/lobby = tgui_alert(C, "Optional: Mark track as lobby music?", "Track Lobby", list("Yes", "Cancel", "No"))
-	if(lobby == "Cancel")
+	if(!lobby || lobby == "Cancel")
 		return
 	else if(secret == "Yes")
 		secret = TRUE

code/game/antagonist/antagonist_factions.dm

@@ -38,7 +38,7 @@
 	if(choice == "Yes!" && faction.add_antagonist_mind(player, 0, faction.faction_role_text, faction.faction_welcome))
 		to_chat(src, "<span class='notice'>\The [player.current] joins the [faction.faction_descriptor]!</span>")
 		return
-	if(choice == "No!")
+	if(!choice || choice == "No!")
 		to_chat(player, "<span class='danger'>You reject this traitorous cause!</span>")
 	to_chat(src, "<span class='danger'>\The [player.current] does not support the [faction.faction_descriptor]!</span>")
 

code/game/gamemodes/changeling/powers/fake_death.dm

@@ -22,7 +22,7 @@
 		to_chat(src, "<span class='danger'>We have no genomes, not even our own, and cannot regenerate.</span>")
 		return 0
 
-	if(!C.stat && tgui_alert(src, "Are we sure we wish to regenerate? We will appear to be dead while doing so.","Revival",list("Yes","No")) == "No")
+	if(!C.stat && tgui_alert(src, "Are we sure we wish to regenerate? We will appear to be dead while doing so.","Revival",list("Yes","No")) != "Yes")
 		return
 	to_chat(C, "<span class='notice'>We will attempt to regenerate our form.</span>")
 

code/game/gamemodes/cult/ritual.dm

@@ -334,7 +334,7 @@ var/global/list/rnwords = list("ire","ego","nahlizet","certum","veri","jatkaa","
 			return
 		else
 			switch(tgui_alert(user, "You open the tome", "Tome", list("Read it","Scribe a rune","Cancel")))
-				if("Cancel")
+				if("Cancel", null)
 					return
 				if("Read it")
 					if(usr.get_active_hand() != src)

code/game/machinery/computer/robot.dm

@@ -222,7 +222,7 @@
 			if(!can_hack(usr, R))
 				return
 			var/choice = tgui_alert(usr, "Really hack [R.name]? This cannot be undone.", "Hack?", list("Yes", "No"))
-			if(choice == "No")
+			if(choice != "Yes")
 				return
 			log_game("[key_name(usr)] emagged [key_name(R)] using robotic console!")
 			message_admins("<span class='notice'>[key_name_admin(usr)] emagged [key_name_admin(R)] using robotic console!</span>")

code/game/machinery/computer/supply.dm

@@ -160,7 +160,7 @@
 
 /obj/machinery/computer/supplycomp/tgui_static_data(mob/user)
 	var/list/data = ..()
-	
+
 	var/list/pack_list = list()
 	for(var/pack_name in SSsupply.supply_pack)
 		var/datum/supply_pack/P = SSsupply.supply_pack[pack_name]
@@ -395,6 +395,8 @@
 				return FALSE
 			var/list/L = E.contents[params["index"]]
 			var/field = tgui_alert(usr, "Select which field to edit", "Field Choice", list("Name", "Quantity", "Value"))
+			if(!field)
+				return FALSE
 
 			var/new_val = sanitize(tgui_input_text(usr, field, "Enter the new value for this field:", L[lowertext(field)]))
 			if(!new_val)

code/game/machinery/virtual_reality/ar_console.dm

@@ -57,7 +57,7 @@
 	if(!occupant)
 		return
 
-	if(!forced && avatar && avatar.stat != DEAD && tgui_alert(avatar, "Someone wants to remove you from virtual reality. Do you want to leave?", "Leave VR?", list("Yes", "No")) == "No")
+	if(!forced && avatar && avatar.stat != DEAD && tgui_alert(avatar, "Someone wants to remove you from virtual reality. Do you want to leave?", "Leave VR?", list("Yes", "No")) != "Yes")
 		return
 
 	avatar.exit_vr()
@@ -89,7 +89,7 @@
 
 	if(avatar && !occupant.stat)
 		to_chat(occupant,"<span class='alien'>\The [src] begins to [pick("whir","hum","pulse")] as a screen appears in front of you.</span>")
-		if(tgui_alert(occupant, "This pod is already linked. Are you certain you wish to engage?", "Commmit?", list("Yes", "No")) == "No")
+		if(tgui_alert(occupant, "This pod is already linked. Are you certain you wish to engage?", "Commmit?", list("Yes", "No")) != "Yes")
 			visible_message("<span class='alien'>\The [src] pulses!</span>")
 
 	to_chat(occupant,"<span class='alien'>Your mind blurs as information bombards you.</span>")

code/game/machinery/virtual_reality/vr_console.dm

@@ -191,7 +191,7 @@
 	if(!occupant)
 		return
 
-	if(!forced && avatar && tgui_alert(avatar, "Someone wants to remove you from virtual reality. Do you want to leave?", "Leave VR?", list("Yes", "No")) == "No")
+	if(!forced && avatar && tgui_alert(avatar, "Someone wants to remove you from virtual reality. Do you want to leave?", "Leave VR?", list("Yes", "No")) != "Yes")
 		return
 
 	if(avatar)
@@ -228,7 +228,7 @@
 
 	avatar = occupant.vr_link
 	// If they've already enterred VR, and are reconnecting, prompt if they want a new body
-	if(avatar && tgui_alert(occupant, "You already have a [avatar.stat == DEAD ? "" : "deceased "]Virtual Reality avatar. Would you like to use it?", "New avatar", list("Yes", "No")) == "No")
+	if(avatar && tgui_alert(occupant, "You already have a [avatar.stat == DEAD ? "" : "deceased "]Virtual Reality avatar. Would you like to use it?", "New avatar", list("Yes", "No")) != "Yes")
 		// Delink the mob
 		occupant.vr_link = null
 		avatar = null

code/game/mecha/combat/phazon.dm

@@ -145,6 +145,8 @@
 
 /obj/mecha/combat/phazon/janus/query_damtype()
 	var/new_damtype = tgui_alert(src.occupant,"Gauntlet Phase Emitter Mode","Damage Type",list("Force","Energy","Stun"))
+	if(!new_damtype)
+		return
 	switch(new_damtype)
 		if("Force")
 			damtype = "brute"

code/game/mecha/mecha_actions.dm

@@ -406,6 +406,8 @@
 	if(usr!=src.occupant)
 		return
 	var/new_damtype = tgui_alert(src.occupant,"Melee Damage Type","Damage Type",list("Brute","Fire","Toxic"))
+	if(!new_damtype)
+		return
 	switch(new_damtype)
 		if("Brute")
 			damtype = "brute"

code/game/objects/items/blueprints_vr.dm

@@ -617,7 +617,7 @@
 				return
 
 		var/confirm = tgui_alert(creator, "Are you sure you want to change [oldA.name] into a new area named [str]?", "READ CAREFULLY", list("No", "Yes"))
-		if(confirm == "No")
+		if(confirm != "Yes")
 			to_chat(creator, "<span class='warning'>No changes made.</span>")
 			return
 
@@ -626,7 +626,7 @@
 		newA.has_gravity = oldA.has_gravity
 	else
 		var/confirm = tgui_alert(creator, "Are you sure you want to change [oldA.name] into [area_choice]?", "READ CAREFULLY", list("No", "Yes"))
-		if(confirm == "No")
+		if(confirm != "Yes")
 			to_chat(creator, "<span class='warning'>No changes made.</span>")
 			return
 		newA = area_choice //They selected to turn the area they're standing on into the selected area.

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

@@ -287,7 +287,7 @@
 		return //something is terribly wrong
 
 	var/confirm = tgui_alert(src, "Would you like to talk as [src.client.prefs.real_name], over a communicator? This will reset your respawn timer, if someone answers.", "Join as Voice?", list("Yes","No"))
-	if(confirm == "No")
+	if(confirm != "Yes")
 		return
 
 	if(CONFIG_GET(flag/antag_hud_restricted) && has_enabled_antagHUD == 1) // CHOMPEdit

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

@@ -24,7 +24,7 @@
 			return
 		else
 			var/answer = tgui_alert(user, "Would you like to activate this personal emergency beacon?","\The [src]", list("Yes", "No"))
-			if(answer == "No")
+			if(answer != "Yes")
 				return
 			else if(do_after(user, (3 SECONDS)))	//short delay, so they can still abort if they want to
 				user.visible_message("<span class='warning'>[user] activates \the [src]!</span>","<span class='warning'>You activate \the [src], spiking it into the ground!</span>")

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

@@ -34,9 +34,6 @@
 /obj/item/device/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"))
 	switch(choice)
-		if("Cancel")
-			to_chat(user,"<span class='notice'>You lower \the [src].</span>")
-			return
 		if("Clear Buffers")
 			to_chat(user,"<span class='notice'>You clear \the [src]'s memory.</span>")
 			buffer = null
@@ -48,6 +45,9 @@
 				accepting_refs = 1
 		if("Switch Mode")
 			mode_switch(user)
+		else
+			to_chat(user,"<span class='notice'>You lower \the [src].</span>")
+			return
 
 	update_icon()
 

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

@@ -79,7 +79,7 @@ GLOBAL_LIST_BOILERPLATE(all_pai_cards, /obj/item/device/paicard)
 			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"))
-	if(choice == "Cancel")
+	if(!choice || choice == "Cancel")
 		return ..()
 	if(choice == "Recruit")
 		paiController.recruitWindow(user)

code/game/objects/items/mail_ch.dm

@@ -282,6 +282,8 @@
 		new chosen(new_mail)
 
 	var/shuttle_spawn = tgui_alert(usr, "Spawn mail at location or in the shuttle?", "Spawn mail", list("Location", "Shuttle"))
+	if(!shuttle_spawn)
+		return
 	if(shuttle_spawn == "Shuttle")
 		SSmail.admin_mail += new_mail
 		log_and_message_admins("spawned [chosen] inside an envelope at the shuttle")

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

@@ -32,11 +32,11 @@
 			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(usr, "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
 
-			if("Cancel")
+			if("Cancel", null)
 				return
 			else
 				to_chat(user, "DERP! BUG! Report this (And what you were doing to cause it) to Agouri")

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

@@ -38,7 +38,9 @@
 	if(!registered_user && register_user(user))
 		to_chat(user, "<span class='notice'>The microscanner marks you as its owner, preventing others from accessing its internals.</span>")
 	if(registered_user == user)
-		switch(tgui_alert(usr, "Would you like edit the ID, or show it?","Show or Edit?", list("Edit","Show")))
+		switch(tgui_alert(usr, "Would you like to edit the ID, or show it?","Show or Edit?", list("Edit","Show")))
+			if(null)
+				return
 			if("Edit")
 				agentcard_module.tgui_interact(user)
 			if("Show")

code/game/objects/micro_event.dm

@@ -13,9 +13,11 @@
 			if(tgui_alert(user, "Should this portal shrink people who are over the limit, or grow people who are under the limit?", "Change portal size settings", list("Shrink","Grow")) == "Shrink")
 				shrinking = TRUE
 				our_message = "What should the size limit be? Anyone over this limit will be shrunk to this size. (1 = 100%, etc)"
-			else
+			else if (our_message == "Grow")
 				shrinking = FALSE
 				our_message = "What should the size limit be? Anyone under this limit will be grown to this size. (1 = 100%, etc)"
+			else
+				return ..()
 
 			size_limit = tgui_input_number(user, our_message, "Pick a Size", 1, round_value=FALSE)
 

code/game/objects/structures/artstuff.dm

@@ -103,7 +103,7 @@
 /obj/item/canvas/attackby(obj/item/I, mob/living/user, params)
 	if(istype(I, /obj/item/paint_palette))
 		var/choice = tgui_alert(user, "Adjusting the base color of this canvas will replace ALL pixels with the selected color. Are you sure?", "Confirm Color Fill", list("Yes", "No"))
-		if(choice == "No")
+		if(choice != "Yes")
 			return
 		var/basecolor = input(user, "Select a base color for the canvas:", "Base Color", canvas_color) as null|color
 		if(basecolor && Adjacent(user) && user.get_active_hand() == I)
@@ -551,7 +551,7 @@
 		Author's Name: [author_name]. \n \
 		Author's CKey: [author_ckey]"))
 		if(tgui_alert(usr, "Check your chat log (if filtering for notices, check where you don't) for painting details.",
-		"Is this the painting you want?", list("Yes", "No")) == "No")
+		"Is this the painting you want?", list("Yes", "No")) != "Yes")
 			return 0
 		if(!fexists("data/persistent/paintings/[persistence_id]/[painting["md5"]].png"))
 			to_chat(usr, span_warning("Chosen painting could not be loaded! Incident was logged, but no action taken at this time"))
@@ -590,7 +590,7 @@
 
 		if(tgui_alert(usr, "No painting list ID was given. You may obtain such by debugging SSPersistence and checking the all_paintings entry. \
 		If you do not wish to do that, you may request a list to be generated of painting titles. This might be resource intensive. \
-		Proceed? It will likely have over 500 entries", "Generate list?", list("Proceed!", "Cancel")) == "Cancel")
+		Proceed? It will likely have over 500 entries", "Generate list?", list("Proceed!", "Cancel")) != "Proceed!")
 			return
 
 		log_debug("[usr] generated list of paintings from SSPersistence")

code/game/objects/structures/ghost_pods/event_vr.dm

@@ -101,7 +101,7 @@
 	if (not_has_ooc_text(M))
 		return
 
-	while(finalized == "No" && M.client)
+	while(finalized != "Yes" && M.client)
 		choice = tgui_input_list(M, "What type of predator do you want to play as?", "Maintpred Choice", possible_mobs)
 		if(!choice)	//We probably pushed the cancel button on the mob selection. Let's just put the ghost pod back in the list.
 			to_chat(M, "<span class='notice'>No mob selected, cancelling.</span>")

code/game/objects/structures/ghost_pods/ghost_pods.dm

@@ -53,7 +53,7 @@
 /obj/structure/ghost_pod/manual/attack_hand(var/mob/living/user)
 	if(!used)
 		if(confirm_before_open)
-			if(tgui_alert(user, "Are you sure you want to touch \the [src]?", "Confirm", list("No", "Yes")) == "No")
+			if(tgui_alert(user, "Are you sure you want to touch \the [src]?", "Confirm", list("No", "Yes")) != "Yes")
 				return
 		trigger()
 		// VOREStation Addition Start

code/game/objects/structures/props/beam_prism.dm

@@ -51,7 +51,7 @@
 		return
 
 	var/confirm = tgui_alert(usr, "Do you want to try to rotate \the [src]?", "[name]", list("Yes", "No"))
-	if(confirm == "No")
+	if(confirm != "Yes")
 		visible_message(\
 			"<span class='notice'>[user.name] decides not to try turning \the [src].</span>",\
 			"<span class='notice'>You decide not to try turning \the [src].</span>")
@@ -157,7 +157,7 @@
 	..()
 
 	var/confirm = tgui_alert(usr, "Do you want to try to rotate \the [src]?", "[name]", list("Yes", "No"))
-	if(confirm == "No")
+	if(confirm != "Yes")
 		visible_message(\
 			"<span class='notice'>[user.name] decides not to try turning \the [src].</span>",\
 			"<span class='notice'>You decide not to try turning \the [src].</span>")
@@ -186,7 +186,7 @@
 		new_bearing = round(compass_directions[choice])
 
 	confirm = tgui_alert(usr, "Are you certain you want to rotate \the [src]?", "[name]", list("Yes", "No"))
-	if(confirm == "No")
+	if(confirm != "Yes")
 		visible_message(\
 			"<span class='notice'>[user.name] decides not to try turning \the [src].</span>",\
 			"<span class='notice'>You decide not to try turning \the [src].</span>")

code/game/response_team.dm

@@ -29,9 +29,8 @@ var/silent_ert = 0
 	if(tgui_alert(usr, "Do you want this Response Team to be announced?","ERT",list("Yes","No")) != "Yes")
 		silent_ert = 1
 	if(get_security_level() != "red") // Allow admins to reconsider if the alert level isn't Red
-		switch(tgui_alert(usr, "The station is not in red alert. Do you still want to dispatch a response team?","ERT",list("Yes","No")))
-			if("No")
-				return
+		if(tgui_alert(usr, "The station is not in red alert. Do you still want to dispatch a response team?","ERT",list("Yes","No")) != "Yes")
+			return
 	if(send_emergency_team)
 		to_chat(usr, "<span class='danger'>Looks like somebody beat you to it!</span>")
 		return

code/game/trader_visit.dm

@@ -23,9 +23,8 @@ var/can_call_traders = 1
 	if(tgui_alert(usr, "Do you want to dispatch the Beruang trade ship?","Trade Ship",list("Yes","No")) != "Yes")
 		return
 	if(get_security_level() == "red") // Allow admins to reconsider if the alert level is Red
-		switch(tgui_alert(usr, "The station is in red alert. Do you still want to send traders?","Trade Ship",list("Yes","No")))
-			if("No")
-				return
+		if(tgui_alert(usr, "The station is in red alert. Do you still want to send traders?","Trade Ship",list("Yes","No")) != "Yes")
+			return
 	if(send_beruang)
 		to_chat(usr, "<span class='danger'>Looks like somebody beat you to it!</span>")
 		return

code/modules/admin/DB ban/functions.dm

@@ -53,7 +53,7 @@
 	if(!validckey)
 		if(!banned_mob || (banned_mob && !IsGuestKey(banned_mob.key))) //VOREStation Edit Start.
 			var/confirm = tgui_alert(usr, "This ckey hasn't been seen, are you sure?", "Confirm Badmin", list("Yes", "No"))
-			if(confirm == "No")
+			if(confirm != "Yes")
 				return //VOREStation Edit End
 
 	var/a_ckey

code/modules/admin/admin.dm

@@ -600,7 +600,7 @@ var/global/floorIsLava = 0
 	if (!usr.client.holder)
 		return
 	var/confirm = alert(usr, "Restart the game world?", "Restart", "Yes", "Cancel") // Not tgui_alert for safety
-	if(confirm == "Cancel")
+	if(!confirm || confirm == "Cancel")
 		return
 	if(confirm == "Yes")
 		to_world("<span class='danger'>Restarting world!</span> <span class='notice'>Initiated by [usr.client.holder.fakekey ? "Admin" : usr.key]!</span>")
@@ -995,7 +995,7 @@ var/datum/announcement/minor/admin_min_announcer = new
 	set desc="Reboots the server post haste"
 	set name="Immediate Reboot"
 	if(!usr.client.holder)	return
-	if(alert(usr, "Reboot server?","Reboot!","Yes","No") == "No") // Not tgui_alert for safety
+	if(alert(usr, "Reboot server?","Reboot!","Yes","No") != "Yes") // Not tgui_alert for safety
 		return
 	to_world("[span_red("<b>Rebooting world!</b>")] [span_blue("Initiated by [usr.client.holder.fakekey ? "Admin" : usr.key]!")]")
 	log_admin("[key_name(usr)] initiated an immediate reboot.")
@@ -1532,9 +1532,8 @@ var/datum/announcement/minor/admin_min_announcer = new
 
 	var/shouldStamp = 1
 	if(!P.sender) // admin initiated
-		switch(tgui_alert(usr, "Would you like the fax stamped?","Stamped?", list("Yes", "No")))
-			if("No")
-				shouldStamp = 0
+		if(tgui_alert(usr, "Would you like the fax stamped?","Stamped?", list("Yes", "No")) != "Yes")
+			shouldStamp = 0
 
 	if(shouldStamp)
 		P.stamps += "<hr><i>This paper has been stamped by the [P.origin] Quantum Relay.</i>"

code/modules/admin/admin_verbs.dm

@@ -530,7 +530,7 @@
 	set desc = "Tells mob to man up and deal with it."
 	set popup_menu = FALSE //VOREStation Edit - Declutter.
 
-	if(tgui_alert(usr, "Are you sure you want to tell them to man up?","Confirmation",list("Deal with it","No"))=="No") return
+	if(tgui_alert(usr, "Are you sure you want to tell them to man up?","Confirmation",list("Deal with it","No")) != "Deal with it") return
 
 	to_chat(T, "<span class='filter_system notice'><b><font size=3>Man up and deal with it.</font></b></span>")
 	to_chat(T, "<span class='filter_system notice'>Move along.</span>")
@@ -543,7 +543,7 @@
 	set name = "Man Up Global"
 	set desc = "Tells everyone to man up and deal with it."
 
-	if(tgui_alert(usr, "Are you sure you want to tell the whole server up?","Confirmation",list("Deal with it","No"))=="No") return
+	if(tgui_alert(usr, "Are you sure you want to tell the whole server up?","Confirmation",list("Deal with it","No")) != "Deal with it") return
 
 	for (var/mob/T as mob in mob_list)
 		to_chat(T, "<br><center><span class='filter_system notice'><b><font size=4>Man up.<br> Deal with it.</font></b><br>Move along.</span></center><br>")

code/modules/admin/callproc/callproc.dm

@@ -11,6 +11,8 @@
 	var/returnval = null
 
 	switch(tgui_alert(usr, "Proc owned by something?","Call Proc",list("Yes","No")))
+		if(null)
+			return
 		if("Yes")
 			targetselected = 1
 			var/list/value = vv_get_value(default_class = VV_ATOM_REFERENCE, classes = list(VV_ATOM_REFERENCE, VV_DATUM_REFERENCE, VV_MOB_REFERENCE, VV_CLIENT))

code/modules/admin/map_capture.dm

@@ -28,7 +28,7 @@
 					if(!hasasked)
 						var/answer = tgui_alert(usr, "Capture includes non existant turf, Continue capture?","Continue capture?", list("No", "Yes"))
 						hasasked = 1
-						if(answer == "No")
+						if(answer != "Yes")
 							return
 
 		var/list/atoms = list()

code/modules/admin/secrets/admin_secrets/jump_shuttle.dm

@@ -13,7 +13,7 @@
 	if (!shuttle_tag) return
 
 	var/datum/shuttle/S = SSshuttles.shuttles[shuttle_tag]
-	
+
 	var/list/area_choices = return_areas()
 	var/origin_area = tgui_input_list(user, "Which area is the shuttle at now? (MAKE SURE THIS IS CORRECT OR THINGS WILL BREAK)", "Area Choice", area_choices)
 	if (!origin_area) return
@@ -22,6 +22,8 @@
 	if (!destination_area) return
 
 	var/long_jump = tgui_alert(user, "Is there a transition area for this jump?","Transition?", list("Yes","No"))
+	if(!long_jump)
+		return
 	if (long_jump == "Yes")
 		var/transition_area = tgui_input_list(user, "Which area is the transition area? (MAKE SURE THIS IS CORRECT OR THINGS WILL BREAK)", "Area Choice", area_choices)
 		if (!transition_area) return

code/modules/admin/secrets/admin_secrets/move_shuttle.dm

@@ -10,7 +10,7 @@
 	if(!.)
 		return
 	var/confirm = tgui_alert(user, "This command directly moves a shuttle from one area to another. DO NOT USE THIS UNLESS YOU ARE DEBUGGING A SHUTTLE AND YOU KNOW WHAT YOU ARE DOING.", "Are you sure?", list("Ok", "Cancel"))
-	if (confirm == "Cancel")
+	if (confirm != "Ok")
 		return
 
 	var/shuttle_tag = tgui_input_list(user, "Which shuttle do you want to jump?", "Shuttle Choice", SSshuttles.shuttles)

code/modules/admin/topic.dm

@@ -295,7 +295,7 @@
 
 		var/delmob = 0
 		switch(tgui_alert(usr, "Delete old mob?","Message",list("Yes","No","Cancel")))
-			if("Cancel")	return
+			if("Cancel", null)	return
 			if("Yes")		delmob = 1
 
 		log_admin("[key_name(usr)] has used rudimentary transformation on [key_name(M)]. Transforming to [href_list["simplemake"]]; deletemob=[delmob]")
@@ -359,6 +359,8 @@
 		var/duration
 
 		switch(tgui_alert(usr, "Temporary Ban?","Temporary Ban",list("Yes","No")))
+			if(null)
+				return
 			if("Yes")
 				temp = 1
 				var/mins = 0
@@ -777,6 +779,8 @@
 		//Banning comes first
 		if(notbannedlist.len) //at least 1 unbanned job exists in joblist so we have stuff to ban.
 			switch(tgui_alert(usr, "Temporary Ban?","Temporary Ban", list("Yes","No","Cancel")))
+				if(null)
+					return
 				if("Yes")
 					if(!check_rights(R_MOD,0) && !check_rights(R_BAN, 0))
 						to_chat(usr, "<span class='filter_adminlog warning'> You cannot issue temporary job-bans!</span>")
@@ -913,6 +917,8 @@
 		if(M.client && M.client.holder)	return	//admins cannot be banned. Even if they could, the ban doesn't affect them anyway
 
 		switch(tgui_alert(usr, "Temporary Ban?","Temporary Ban",list("Yes","No","Cancel")))
+			if(null)
+				return
 			if("Yes")
 				var/mins = tgui_input_number(usr,"How long (in minutes)?","Ban time",1440)
 				if(!mins)
@@ -951,7 +957,7 @@
 				if(!reason)
 					return
 				switch(tgui_alert(usr,"IP ban?","IP Ban",list("Yes","No","Cancel")))
-					if("Cancel")	return
+					if("Cancel", null)	return
 					if("Yes")
 						AddBan(M.ckey, M.computer_id, reason, usr.ckey, 0, 0, M.lastKnownIP)
 					if("No")

code/modules/admin/verbs/adminhelp.dm

@@ -660,7 +660,10 @@ GLOBAL_DATUM_INIT(ahelp_tickets, /datum/admin_help_tickets, new)
 
 	feedback_add_details("admin_verb","Adminhelp") //If you are copy-pasting this, ensure the 2nd parameter is unique to the new proc!
 	if(current_ticket)
-		if(tgui_alert(usr, "You already have a ticket open. Is this for the same issue?","Duplicate?",list("Yes","No")) != "No")
+		var/input = tgui_alert(usr, "You already have a ticket open. Is this for the same issue?","Duplicate?",list("Yes","No"))
+		if(!input)
+			return
+		if(input == "Yes")
 			if(current_ticket)
 				current_ticket.MessageNoRecipient(msg)
 				to_chat(usr, "<span class='pm adminnotice'>PM to-<b>Admins</b>: [msg]</span>")

code/modules/admin/verbs/adminhelp_vr.dm

@@ -32,7 +32,7 @@ Reason: Replaced with "Tickets System"
 		to_chat(usr, "<span class='danger'>Error: You cannot request spice (muted from adminhelps).</span>")
 		return
 
-	if(tgui_alert(usr, "Are you sure you want to request the admins spice things up for you? You accept the consequences if you do.","Spicy!",list("Yes","No")) != "No")
+	if(tgui_alert(usr, "Are you sure you want to request the admins spice things up for you? You accept the consequences if you do.","Spicy!",list("Yes","No")) == "Yes")
 		message_admins("[ADMIN_FULLMONTY(usr)] has requested the round be spiced up a little.")
 		to_chat(usr, "<span class='notice'>You have requested some more spice in your round.</span>")
 	else

code/modules/admin/verbs/atmosdebug.dm

@@ -7,7 +7,7 @@
 
 	feedback_add_details("admin_verb","CP") //If you are copy-pasting this, ensure the 2nd parameter is unique to the new proc!
 
-	if(tgui_alert(usr, "WARNING: This command should not be run on a live server. Do you want to continue?", "Check Piping", list("No", "Yes")) == "No")
+	if(tgui_alert(usr, "WARNING: This command should not be run on a live server. Do you want to continue?", "Check Piping", list("No", "Yes")) != "Yes")
 		return
 
 	to_chat(usr, "Checking for disconnected pipes...")

code/modules/admin/verbs/buildmode.dm

@@ -292,8 +292,9 @@
 						master.buildmode.valueholder = tgui_input_list(usr,"Enter variable value:", "Value", world)
 
 			if(BUILDMODE_ROOM)
-				var/area_choice = tgui_alert(usr, "Would you like to generate a new area as well?","Room Builder", list("No", "Yes"))
-				switch(area_choice)
+				switch(tgui_alert(usr, "Would you like to generate a new area as well?","Room Builder", list("No", "Yes")))
+					if(null)
+						return
 					if("No")
 						area_enabled = 0
 					if("Yes")

code/modules/admin/verbs/change_appearance.dm

@@ -46,9 +46,8 @@
 	if(!istype(M, /mob/living/carbon/human))
 		to_chat(usr, "<span class='warning'>You can only do this to humans!</span>")
 		return
-	switch(tgui_alert(usr, "Are you sure you wish to edit this mob's appearance? Skrell, Unathi, Tajaran can result in unintended consequences.","Danger!",list("Yes","No")))
-		if("No")
-			return
+	if(tgui_alert(usr, "Are you sure you wish to edit this mob's appearance? Skrell, Unathi, Tajaran can result in unintended consequences.","Danger!",list("Yes","No")) != "Yes")
+		return
 	var/new_facial = input(usr, "Please select facial hair color.", "Character Generation") as color
 	if(new_facial)
 		M.r_facial = hex2num(copytext(new_facial, 2, 4))

code/modules/admin/verbs/cinematic.dm

@@ -6,11 +6,12 @@
 	if(!check_rights(R_FUN))
 		return
 
-	if(tgui_alert(usr, "Are you sure you want to run [cinematic]?","Confirmation",list("Yes","No"))=="No") return
+	if(tgui_alert(usr, "Are you sure you want to run [cinematic]?","Confirmation",list("Yes","No")) != "Yes") return
 	if(!ticker)	return
 	switch(cinematic)
 		if("explosion")
-			if(tgui_alert(usr, "The game will be over. Are you really sure?", "Confirmation", list("Continue","Cancel")) == "Cancel")
+			var/input = tgui_alert(usr, "The game will be over. Are you really sure?", "Confirmation", list("Continue","Cancel"))
+			if(!input || input == "Cancel")
 				return
 			var/parameter = tgui_input_number(src,"station_missed = ?","Enter Parameter",0,1,0)
 			var/override

code/modules/admin/verbs/debug.dm

@@ -506,7 +506,7 @@
 
 	var/response = tgui_alert(usr, "Are you sure? This will start up the engine. Should only be used during debug!","Setup Supermatter",list("Setup Completely","Setup except coolant","No"))
 
-	if(response == "No")
+	if(!response || response == "No")
 		return
 
 	var/found_the_pump = 0

code/modules/admin/verbs/entity_narrate.dm

@@ -92,10 +92,10 @@
 	var/options = holder.entity_names + "Clear All"
 	var/removekey = tgui_input_list(usr, "Choose which entity to remove", "remove reference", options, null)
 	if(removekey == "Clear All")
-		var/confirm = tgui_alert(usr, "Do you really want to clear your entity list?", "confirm", list("Yes", "No"), "No")
-		if(confirm == "Yes")
-			holder.entity_names = list()
-			holder.entity_refs = list()
+		if(tgui_alert(usr, "Do you really want to clear your entity list?", "confirm", list("Yes", "No")) != "Yes")
+			return
+		holder.entity_names = list()
+		holder.entity_refs = list()
 	else if(removekey)
 		holder.entity_refs -= removekey
 		holder.entity_names -= removekey
@@ -128,7 +128,7 @@
 		holder.tgui_interact(usr)
 	else
 		var/mode = tgui_alert(usr, "Speak or emote?", "mode", list("Speak", "Emote", "Cancel"))
-		if(mode == "Cancel") return
+		if(!mode || mode == "Cancel") return
 		var/message = tgui_input_text(usr, "Input what you want [which_entity] to [mode]", "narrate",
 		null, multiline = TRUE, prevent_enter = TRUE)
 		if(message)

code/modules/admin/verbs/event_triggers.dm

@@ -44,7 +44,7 @@ Eventkit verb to be used to spawn the obj/effect/landmarks defined under code\ga
 				return
 			if(choice == "Delete All")
 				var/confirm = tgui_alert(src, "ARE YOU SURE? THERE IS NO GOING BACK", "CONFIRM", list("Go Back", "Delete all my event triggers"), autofocus = FALSE)
-				if(confirm == "Go Back")
+				if(!confirm || confirm == "Go Back")
 					return
 				for(var/obj/effect/landmark/event_trigger/ET in personal_list)
 					ET.delete_me = TRUE
@@ -62,7 +62,7 @@ Eventkit verb to be used to spawn the obj/effect/landmarks defined under code\ga
 					M.forceMove(get_turf(ET))
 				if(decision == "Delete")
 					var/confirm = tgui_alert(src, "ARE YOU SURE? THERE IS NO GOING BACK FROM DELETING [ET.name]", "CONFIRM", list("Go Back", "Delete it!"), autofocus = FALSE)
-					if(confirm == "Go Back")
+					if(!confirm || confirm == "Go Back")
 						return
 					ET.delete_me = TRUE
 					qdel(ET)
@@ -91,7 +91,7 @@ Eventkit verb to be used to spawn the obj/effect/landmarks defined under code\ga
 							log_and_message_admins("[src.ckey] deleted all of [other_ckey]'s event triggers while [other_ckey] was active")
 							return
 				var/confirm = tgui_alert(src, "ARE YOU SURE? THERE IS NO GOING BACK", "CONFIRM", list("Go Back", "Delete all my event triggers"), autofocus = FALSE)
-				if(confirm == "Go Back")
+				if(!confirm || confirm == "Go Back")
 					return
 				for(var/obj/effect/landmark/event_trigger/ET in others_list)
 					ET.delete_me = TRUE
@@ -105,7 +105,7 @@ Eventkit verb to be used to spawn the obj/effect/landmarks defined under code\ga
 					if(isobserver(M))
 						var/confirm_teleport = tgui_alert(src, "You're not a ghost! Admin-ghost?", "You're not a ghost", \
 							list("Cancel", "Teleport me with my character"))
-						if(confirm_teleport == "Cancel")
+						if(!confirm_teleport || confirm_teleport == "Cancel")
 							return
 					M.forceMove(get_turf(ET))
 				if(decision == "Delete")
@@ -121,7 +121,7 @@ Eventkit verb to be used to spawn the obj/effect/landmarks defined under code\ga
 								log_and_message_admins("[src.ckey] tried to delete event trigger [ET.name] while [other_ckey] is active.")
 								return
 					var/confirm = tgui_alert(src, "ARE YOU SURE? THERE IS NO GOING BACK FROM DELETING [ET.name]", "CONFIRM", list("Go Back", "Delete it!"), autofocus = FALSE)
-					if(confirm == "Go Back")
+					if(!confirm || confirm == "Go Back")
 						return
 					ET.delete_me = TRUE
 					qdel(ET)

code/modules/admin/verbs/lightning_strike.dm

@@ -8,7 +8,7 @@
 
 	var/result = tgui_alert(src, "Really strike your tile with lightning?", "Confirm Badmin" , list("No", "Yes (Cosmetic)", "Yes (Real)"))
 
-	if(result == "No")
+	if(!result || result == "No")
 		return
 	var/fake_lightning = result == "Yes (Cosmetic)"
 

code/modules/admin/verbs/map_template_loadverb.dm

@@ -27,7 +27,7 @@
 		preview += image('icons/misc/debug_group.dmi',S ,"red")
 	usr.client.images += preview
 	if(tgui_alert(usr,"Confirm location.", "Template Confirm",list("No","Yes")) == "Yes")
-		if(template.annihilate && tgui_alert(usr,"This template is set to annihilate everything in the red square. EVERYTHING IN THE RED SQUARE WILL BE DELETED, ARE YOU ABSOLUTELY SURE?", "Template Confirm", list("No","Yes")) == "No")
+		if(template.annihilate && tgui_alert(usr,"This template is set to annihilate everything in the red square. EVERYTHING IN THE RED SQUARE WILL BE DELETED, ARE YOU ABSOLUTELY SURE?", "Template Confirm", list("No","Yes")) != "Yes")
 			usr.client.images -= preview
 			return
 
@@ -57,7 +57,7 @@
 	orientation = dir2angle(orientation)
 
 	if((!(orientation%180) && template.width > world.maxx || template.height > world.maxy) || (orientation%180 && template.width > world.maxy || template.height > world.maxx))
-		if(tgui_alert(usr,"This template is larger than the existing z-levels. It will EXPAND ALL Z-LEVELS to match the size of the template. This may cause chaos. Are you sure you want to do this?","DANGER!!!",list("Cancel","Yes")) == "Cancel")
+		if(tgui_alert(usr,"This template is larger than the existing z-levels. It will EXPAND ALL Z-LEVELS to match the size of the template. This may cause chaos. Are you sure you want to do this?","DANGER!!!",list("Cancel","Yes")) != "Yes")
 			to_chat(usr,"Template placement aborted.")
 			return
 

code/modules/admin/verbs/playsound.dm

@@ -30,6 +30,8 @@ var/list/sounds_cache = list()
 	sounds_cache += S
 
 	var/res = tgui_alert(usr, "Show the title of this song ([S]) to the players?\nOptions 'Yes' and 'No' will play the sound.",, list("Yes", "No", "Cancel"))
+	if(!res)
+		return
 	switch(res)
 		if("Yes")
 			to_chat(world, "<span class='boldannounce'>An admin played: [S]</span>", confidential = TRUE)
@@ -83,7 +85,7 @@ var/list/sounds_cache = list()
 
 	sounds_cache += S
 
-	if(tgui_alert(usr, "Do you ready?\nSong: [S]\nNow you can also play this sound using \"Play Server Sound\".", "Confirmation request", list("Play","Cancel")) == "Cancel")
+	if(tgui_alert(usr, "Do you ready?\nSong: [S]\nNow you can also play this sound using \"Play Server Sound\".", "Confirmation request", list("Play","Cancel")) != "Play")
 		return
 
 	log_admin("[key_name(src)] played sound [S] on Z[target_z]")

code/modules/admin/verbs/randomverbs.dm

@@ -52,7 +52,8 @@
 		return
 
 	var/age = tgui_alert(src, "Age check", "Show accounts yonger then _____ days", list("7","30","All"))
-
+	if(!age)
+		return
 	if(age == "All")
 		age = 9999999
 	else
@@ -236,6 +237,8 @@
 	message_admins("[key_name_admin(src)] has added a random AI law.", 1)
 
 	var/show_log = tgui_alert(src, "Show ion message?", "Message", list("Yes", "No"))
+	if(!show_log)
+		return
 	if(show_log == "Yes")
 		command_announcement.Announce("Ion storm detected near \the [station_name()]. Please check all AI-controlled equipment for errors.", "Anomaly Alert", new_sound = 'sound/AI/ionstorm.ogg')
 
@@ -286,7 +289,7 @@ Ccomp's first proc.
 
 	if(GLOB.respawn_timers[target] == -1) // Their respawn timer is set to -1, which is 'not allowed to respawn'
 		var/response = tgui_alert(src, "Are you sure you wish to allow this individual to respawn? They would normally not be able to.","Allow impossible respawn?",list("No","Yes"))
-		if(response == "No")
+		if(response != "Yes")
 			return
 
 	GLOB.respawn_timers -= target
@@ -401,7 +404,7 @@ Traitors and the like can also be revived with the previous role mostly intact.
 		return
 
 	var/announce = tgui_alert(src,"Announce as if they had just arrived?", "Announce", list("No", "Yes", "Cancel"))
-	if(announce == "Cancel")
+	if(!announce || announce == "Cancel")
 		return
 	else if(announce == "Yes") //Too bad buttons can't just have 1/0 values and different display strings
 		announce = 1
@@ -409,7 +412,7 @@ Traitors and the like can also be revived with the previous role mostly intact.
 		announce = 0
 
 	var/inhabit = tgui_alert(src,"Put the person into the spawned mob?", "Inhabit", list("Yes", "No", "Cancel"))
-	if(inhabit == "Cancel")
+	if(!inhabit || inhabit == "Cancel")
 		return
 	else if(inhabit == "Yes")
 		inhabit = 1
@@ -425,13 +428,15 @@ Traitors and the like can also be revived with the previous role mostly intact.
 	//Found their record, they were spawned previously
 	if(record_found)
 		var/samejob = tgui_alert(src,"Found [picked_client.prefs.real_name] in data core. They were [record_found.fields["real_rank"]] this round. Assign same job? They will not be re-added to the manifest/records, either way.","Previously spawned",list("Yes","Assistant","No"))
+		if(!samejob)
+			return
 		if(samejob == "Yes")
 			charjob = record_found.fields["real_rank"]
 		else if(samejob == USELESS_JOB) //VOREStation Edit - Visitor not Assistant
 			charjob = USELESS_JOB //VOREStation Edit - Visitor not Assistant
 	else
 		records = tgui_alert(src,"No data core entry detected. Would you like add them to the manifest, and sec/med/HR records?","Records",list("No", "Yes", "Cancel"))
-		if(records == "Cancel")
+		if(!records || records == "Cancel")
 			return
 		if(records == "Yes")
 			records = 1
@@ -450,7 +455,7 @@ Traitors and the like can also be revived with the previous role mostly intact.
 	var/equipment
 	if(charjob)
 		equipment = tgui_alert(src,"Spawn them with equipment?", "Equipment", list("Yes", "No", "Cancel"))
-		if(equipment == "Cancel")
+		if(!equipment || equipment == "Cancel")
 			return
 		else if(equipment == "Yes")
 			equipment = 1
@@ -478,7 +483,7 @@ Traitors and the like can also be revived with the previous role mostly intact.
 				return
 			if(showy == "Drop Pod")
 				showy = tgui_alert(src,"Destructive drop pods cause damage in a 3x3 and may break turfs. Polite drop pods lightly damage the turfs but won't break through.", "Drop Pod", list("Polite", "Destructive", "Cancel")) // reusing var
-				if(showy == "Cancel")
+				if(!showy || showy == "Cancel")
 					return
 
 		if("Arrivals") //Spawn them at a latejoin spawnpoint
@@ -706,7 +711,7 @@ Traitors and the like can also be revived with the previous role mostly intact.
 
 	if ((devastation != -1) || (heavy != -1) || (light != -1) || (flash != -1))
 		if ((devastation > 20) || (heavy > 20) || (light > 20))
-			if (tgui_alert(src, "Are you sure you want to do this? It will laaag.", "Confirmation", list("Yes", "No")) == "No")
+			if (tgui_alert(src, "Are you sure you want to do this? It will laaag.", "Confirmation", list("Yes", "No")) != "Yes")
 				return
 
 		explosion(O, devastation, heavy, light, flash)
@@ -772,6 +777,8 @@ Traitors and the like can also be revived with the previous role mostly intact.
 		return
 
 	var/confirm = tgui_alert(src, "You sure?", "Confirm", list("Yes", "No"))
+	if(!confirm)
+		return
 	if(confirm == "Yes")
 		if (istype(mob, /mob/observer/dead)) // so they don't spam gibs everywhere
 			return
@@ -1000,7 +1007,7 @@ Traitors and the like can also be revived with the previous role mostly intact.
 
 
 	var/notifyplayers = tgui_alert(src, "Do you want to notify the players?", "Options", list("Yes", "No", "Cancel"))
-	if(notifyplayers == "Cancel")
+	if(!notifyplayers || notifyplayers == "Cancel")
 		return
 
 	log_admin("Admin [key_name(src)] has forced the players to have random appearances.")
@@ -1045,7 +1052,7 @@ Traitors and the like can also be revived with the previous role mostly intact.
 		return
 
 	var/confirm = tgui_alert(usr, "Are you sure you want to cryo [M]?","Confirmation",list("No","Yes"))
-	if(confirm == "No")
+	if(confirm != "Yes")
 		return
 
 	var/list/human_cryopods = list()
@@ -1121,10 +1128,10 @@ Traitors and the like can also be revived with the previous role mostly intact.
 			return
 
 	var/podtype = tgui_alert(src,"Destructive drop pods cause damage in a 3x3 and may break turfs. Polite drop pods lightly damage the turfs but won't break through.", "Drop Pod", list("Polite", "Destructive", "Cancel"))
-	if(podtype == "Cancel")
+	if(!podtype || podtype == "Cancel")
 		return
 	var/autoopen = tgui_alert(src,"Should the pod open automatically?", "Drop Pod", list("Yes", "No", "Cancel"))
-	if(autoopen == "Cancel")
+	if(!autoopen || autoopen == "Cancel")
 		return
 	switch(podtype)
 		if("Destructive")
@@ -1149,10 +1156,10 @@ Traitors and the like can also be revived with the previous role mostly intact.
 		return
 
 	var/podtype = tgui_alert(src,"Destructive drop pods cause damage in a 3x3 and may break turfs. Polite drop pods lightly damage the turfs but won't break through.", "Drop Pod", list("Polite", "Destructive", "Cancel"))
-	if(podtype == "Cancel")
+	if(!podtype || podtype == "Cancel")
 		return
 	var/autoopen = tgui_alert(src,"Should the pod open automatically?", "Drop Pod", list("Yes", "No", "Cancel"))
-	if(autoopen == "Cancel")
+	if(!autoopen || autoopen == "Cancel")
 		return
 	if(!L || QDELETED(L))
 		return

code/modules/admin/verbs/randomverbs_vr.dm

@@ -29,13 +29,13 @@
 
 	var/char_name = tgui_alert(src, "Spawn mob with their character name?", "Mob name", list("Yes", "No", "Cancel"))
 	var/name = 0
-	if(char_name == "Cancel")
+	if(!char_name || char_name == "Cancel")
 		return
 	if(char_name == "Yes")
 		name = 1
 	var/vorgans = tgui_alert(src, "Spawn mob with their character's vore organs and prefs?", "Vore organs", list("Yes", "No", "Cancel"))
 	var/organs
-	if(vorgans == "Cancel")
+	if(!vorgans || vorgans == "Cancel")
 		return
 	if(vorgans == "Yes")
 		organs = 1

code/modules/admin/verbs/smite.dm

@@ -105,7 +105,7 @@
 			kin_type = kin_types[kin_type]
 
 			var/myself = tgui_alert(usr, "Control the shadekin yourself or delete pred and prey after?","Control Shadekin?",list("Control","Cancel","Delete"))
-			if(myself == "Cancel" || !target)
+			if(!myself || myself == "Cancel" || !target)
 				return
 
 			var/turf/Tt = get_turf(target)

code/modules/admin/verbs/striketeam.dm

@@ -45,7 +45,7 @@ var/const/commandos_possible = 6 //if more Commandos are needed in the future
 	while(!choice)
 		choice = sanitize(tgui_input_text(src, "Please specify which mission the strike team shall undertake.", "Specify Mission", ""))
 		if(!choice)
-			if(tgui_alert(usr, "Error, no mission set. Do you want to exit the setup process?","Strike Team",list("Yes","No"))=="Yes")
+			if(tgui_alert(usr, "Error, no mission set. Do you want to exit the setup process?","Strike Team",list("Yes","No"))!="No")
 				return
 	consider_ert_load() //VOREStation Add
 

code/modules/admin/view_variables/mass_edit_variables.dm

@@ -116,6 +116,8 @@
 			var/unique
 			if (varsvars && varsvars.len)
 				unique = tgui_alert(usr, "Process vars unique to each instance, or same for all?", "Variable Association", list("Unique", "Same"))
+				if(!unique)
+					return
 				if(unique == "Unique")
 					unique = TRUE
 				else
@@ -143,7 +145,7 @@
 
 		if (VV_NEW_TYPE)
 			var/many = tgui_alert(src, "Create only one [value["type"]] and assign each or a new one for each thing", "How Many", list("One", "Many", "Cancel"))
-			if (many == "Cancel")
+			if (!many || many == "Cancel")
 				return
 			if (many == "Many")
 				many = TRUE

code/modules/admin/view_variables/modify_variables.dm

@@ -181,7 +181,7 @@ GLOBAL_PROTECT(VVpixelmovement)
 	var/assoc = 0
 	if(IS_VALID_ASSOC_KEY(L[index]))
 		var/prompt = tgui_alert(src, "Do you want to edit the key or its assigned value?", "Associated List", list("Key", "Assigned Value", "Cancel"))
-		if (prompt == "Cancel")
+		if (!prompt || prompt == "Cancel")
 			return
 		if (prompt == "Assigned Value")
 			assoc = 1
@@ -194,7 +194,7 @@ GLOBAL_PROTECT(VVpixelmovement)
 	else
 		variable = L[index]
 		//EXPERIMENTAL - Keep old associated value while modifying key, if any
-		if(IS_VALID_ASSOC_KEY(variable))		
+		if(IS_VALID_ASSOC_KEY(variable))
 			var/found = L[variable]
 			if(!isnull(found))
 				old_assoc_value = found

code/modules/casino/casino.dm

@@ -615,6 +615,8 @@
 				if(confirm == "Yes")
 					to_chat(user, "<span class='warning'>You are now a prize!</span>")
 				//CHOMPAdd Start
+				if(!confirm)
+					return
 				if(confirm == "No")
 					to_chat(user, "<span class='warning'>The SPASM beeps in a sad manner at your impolite decline..</span>")
 					return

code/modules/client/preference_setup/general/03_body.dm

@@ -983,7 +983,7 @@ var/global/list/valid_bloodtypes = list("A+", "A-", "B+", "B-", "AB+", "AB-", "O
 	else if(href_list["marking_color"])
 		var/M = href_list["marking_color"]
 		if (isnull(pref.body_markings[M]["color"]))
-			if (tgui_alert(user, "You currently have customized marking colors. This will reset each bodypart's color. Are you sure you want to continue?","Reset Bodypart Colors",list("Yes","No")) == "No")
+			if (tgui_alert(user, "You currently have customized marking colors. This will reset each bodypart's color. Are you sure you want to continue?","Reset Bodypart Colors",list("Yes","No")) != "Yes")
 				return TOPIC_NOACTION
 		var/mark_color = input(user, "Choose the [M] color: ", "Character Preference", pref.body_markings[M]["color"]) as color|null
 		if(mark_color && CanUseTopic(user))

code/modules/client/preference_setup/vore/02_size.dm

@@ -176,6 +176,8 @@
 			([WEIGHT_MIN]-[WEIGHT_MAX])", "Character Preference", null, WEIGHT_MAX, WEIGHT_MIN, round_value=FALSE)
 		if(new_weight)
 			var/unit_of_measurement = tgui_alert(user, "Is that number in pounds (lb) or kilograms (kg)?", "Confirmation", list("Pounds", "Kilograms"))
+			if(!unit_of_measurement)
+				return TOPIC_NOACTION
 			if(unit_of_measurement == "Pounds")
 				new_weight = round(text2num(new_weight),4)
 			if(unit_of_measurement == "Kilograms")

code/modules/client/preference_setup/vore/07_traits.dm

@@ -590,7 +590,7 @@ var/global/list/valid_bloodreagents = list("default","iron","copper","phoron","s
 			if(trait_choice in nicelist)
 				var/datum/trait/path = nicelist[trait_choice]
 				var/choice = tgui_alert(user, "\[Cost:[initial(path.cost)]\] [initial(path.desc)]",initial(path.name), list("Take Trait","Go Back")) //ChompEDIT - usr removal
-				if(choice != "Go Back")
+				if(choice == "Take Trait")
 					done = TRUE
 
 		if(!trait_choice)

code/modules/clothing/spacesuits/rig/modules/ninja.dm

@@ -209,7 +209,7 @@
 		engage(1)
 
 /obj/item/rig_module/self_destruct/engage(var/skip_check)
-	if(!skip_check && usr && tgui_alert(usr, "Are you sure you want to push that button?", "Self-destruct", list("No", "Yes")) == "No")
+	if(!skip_check && usr && tgui_alert(usr, "Are you sure you want to push that button?", "Self-destruct", list("No", "Yes")) != "Yes")
 		return
 	if(holder && holder.wearer)
 		smoke.set_up(10, 0, holder.loc)

code/modules/clothing/spacesuits/rig/modules/specific/self_destruct.dm

@@ -41,7 +41,7 @@
 		engage(1)
 
 /obj/item/rig_module/self_destruct/engage(var/skip_check)
-	if(!skip_check && usr && tgui_alert(usr, "Are you sure you want to push that button?", "Self-destruct", list("No", "Yes")) == "No")
+	if(!skip_check && usr && tgui_alert(usr, "Are you sure you want to push that button?", "Self-destruct", list("No", "Yes")) != "Yes")
 		return
 	if(holder && holder.wearer)
 		smoke.set_up(10, 0, holder.loc)

code/modules/emotes/emote_mob.dm

@@ -61,7 +61,7 @@
 			if(!message)
 				return
 			if (!m_type)
-				if(tgui_alert(src, "Is this an audible emote?", "Emote", list("Yes", "No")) == "No")
+				if(tgui_alert(src, "Is this an audible emote?", "Emote", list("Yes", "No")) != "Yes")
 					m_type = VISIBLE_MESSAGE
 				else
 					m_type = AUDIBLE_MESSAGE

code/modules/eventkit/generic_objects/generic_item.dm

@@ -180,7 +180,7 @@
 	if(s_icon_state_off == "Upload Own Sprite")
 		s_icon = input(usr, "Choose an image file to upload. Images that are not 32x32 will need to have their positions offset.","Upload Icon") as null|file
 	var/check_activatable = tgui_alert(src, "Allow it to be turned on?", "activatable", list("Yes", "No", "Cancel"))
-	if(check_activatable == "Cancel")
+	if(!check_activatable || check_activatable == "Cancel")
 		return
 	if(check_activatable == "No")
 		s_activatable = 0
@@ -188,7 +188,7 @@
 		s_activatable = 1
 		s_text_activated = tgui_input_text(src, "Activation text:", "Activation Text")
 		check_togglable = tgui_alert(src, "Allow it to be turned back off again?", "togglable", list("Yes", "No", "Cancel"))
-		if(check_togglable == "Cancel")
+		if(!check_togglable || check_togglable == "Cancel")
 			return
 		if(check_togglable == "No")
 			s_togglable = 0
@@ -200,7 +200,7 @@
 			s_icon2 = input(usr, "Choose an image file to upload. Images that are not 32x32 will need to have their positions offset.","Upload Icon") as null|file
 		s_delay = tgui_input_number(src, "Do you want it to take time to put turn on? Choose a number of deciseconds to activate, or 0 for instant.", "Delay")
 		var/check_effect = tgui_alert(src, "Produce an effect on activation?", "Effect?", list("No", "Spark", "Flicker Lights", "Flash", "Spawn Item", "Cancel"))
-		if(check_effect == "Cancel")
+		if(!check_effect || check_effect == "Cancel")
 			return
 		if(check_effect == "No")
 			s_effect = 0
@@ -214,7 +214,7 @@
 			s_effect = 4
 			s_object = get_path_from_partial_text()
 		var/check_sound = tgui_alert(src, "Play a sound when turning on?", "Sound", list("Yes", "No", "Cancel"))
-		if(check_sound == "Cancel")
+		if(!check_sound || check_sound == "Cancel")
 			return
 		if(check_sound == "Yes")
 			s_sound = tgui_input_list(src, "Choose a sound to play on activation:", "Sound", sound_options)

code/modules/eventkit/generic_objects/generic_structure.dm

@@ -225,21 +225,21 @@
 	var/s_name = tgui_input_text(src, "Structure Name:", "Name")
 	var/s_desc = tgui_input_text(src, "Structure Description:", "Description")
 	var/check_anchored = tgui_alert(src, "Start anchored?", "anchored", list("Yes", "No", "Cancel"))
-	if(check_anchored == "Cancel")
+	if(!check_anchored || check_anchored == "Cancel")
 		return
 	if(check_anchored == "No")
 		s_anchored = 0
 	if(check_anchored == "Yes")
 		s_anchored = 1
 	var/check_density = tgui_alert(src, "Start dense?", "density", list("Yes", "No", "Cancel"))
-	if(check_density == "Cancel")
+	if(!check_density || check_density == "Cancel")
 		return
 	if(check_density == "No")
 		s_density = 0
 	if(check_density == "Yes")
 		s_density = 1
 	var/check_wrenchable = tgui_alert(src, "Allow it to be fastened and unfastened with a wrench?", "wrenchable", list("Yes", "No", "Cancel"))
-	if(check_wrenchable == "Cancel")
+	if(!check_wrenchable || check_wrenchable == "Cancel")
 		return
 	if(check_wrenchable == "No")
 		s_wrenchable = 0
@@ -249,7 +249,7 @@
 	if(s_icon_state_off == "Upload Own Sprite")
 		s_icon = input(usr, "Choose an image file to upload. Images that are not 32x32 will need to have their positions offset.","Upload Icon") as null|file
 	var/check_activatable = tgui_alert(src, "Allow it to be turned on?", "activatable", list("Yes", "No", "Cancel"))
-	if(check_activatable == "Cancel")
+	if(!check_activatable || check_activatable == "Cancel")
 		return
 	if(check_activatable == "No")
 		s_activatable = 0
@@ -257,7 +257,7 @@
 		s_activatable = 1
 		s_text_activated = tgui_input_text(src, "Activation text:", "Activation Text")
 		check_togglable = tgui_alert(src, "Allow it to be turned back off again?", "togglable", list("Yes", "No", "Cancel"))
-		if(check_togglable == "Cancel")
+		if(!check_togglable || check_togglable == "Cancel")
 			return
 		if(check_togglable == "No")
 			s_togglable = 0
@@ -269,7 +269,7 @@
 			s_icon2 = input(usr, "Choose an image file to upload. Images that are not 32x32 will need to have their positions offset.","Upload Icon") as null|file
 		s_delay = tgui_input_number(src, "Do you want it to take time to put turn on? Choose a number of deciseconds to activate, or 0 for instant.", "Delay")
 		var/check_effect = tgui_alert(src, "Produce an effect on activation?", "Effect?", list("No", "Spark", "Flicker Lights", "Flash", "Spawn Item", "Cancel"))
-		if(check_effect == "Cancel")
+		if(!check_effect || check_effect == "Cancel")
 			return
 		if(check_effect == "No")
 			s_effect = 0
@@ -283,7 +283,7 @@
 			s_effect = 4
 			s_object = get_path_from_partial_text()
 		var/check_sound = tgui_alert(src, "Play a sound when turning on?", "Sound", list("Yes", "No", "Cancel"))
-		if(check_sound == "Cancel")
+		if(!check_sound || check_sound == "Cancel")
 			return
 		if(check_sound == "Yes")
 			s_sound = tgui_input_list(src, "Choose a sound to play on activation:", "Sound", sound_options)
@@ -335,4 +335,4 @@
 		result = matches[1]
 	else
 		result = tgui_input_list(usr, "Select an atom type", "Spawn Atom", matches, strict_modern = TRUE)
-	return result
+	return result

code/modules/eventkit/gm_interfaces/fake_pda_conversations.dm

@@ -73,7 +73,7 @@ Invoked by vv topic "fakepdapropconvo" in code\modules\admin\view_variables\topi
 		return
 
 	var/choice = tgui_alert(M,"Use TGUI or dialogue boxes?", "TGUI?", list("TGUI", "Dialogue", "Cancel"))
-	if(choice == "Cancel") return
+	if(!choice || choice == "Cancel") return
 
 	var/datum/data/pda/app/messenger/ourPDA = find_program(/datum/data/pda/app/messenger)
 
@@ -88,7 +88,10 @@ Invoked by vv topic "fakepdapropconvo" in code\modules\admin\view_variables\topi
 			var/message = sanitize(tgui_input_text(M, "Input fake message. Leave empty to cancel. Can create up to 30 messages in a row",null),
 			MAX_MESSAGE_LEN)
 			if(!message) return
-			var/receipent = ((tgui_alert(M, "Received or Sent?", "Direction", list("Received", "Sent"))=="Sent") ? 1 : 0)
+			var/input = tgui_alert(M, "Received or Sent?", "Direction", list("Received", "Sent"))
+			if(!input)
+				return
+			var/receipent = ((input=="Sent") ? 1 : 0)
 			ourPDA.createFakeMessage(name,identity,job,receipent, message)
 
 	if(choice == "TGUI")

code/modules/food/food/snacks.dm

@@ -346,7 +346,7 @@
 			if (W.w_class >= src.w_class || is_robot_module(W) || istype(W, /obj/item/weapon/holder))
 				return
 
-			if(tgui_alert(user,"You can't slice \the [src] here. Would you like to hide \the [W] inside it instead?","No Cutting Surface!",list("Yes","No")) == "No")
+			if(tgui_alert(user,"You can't slice \the [src] here. Would you like to hide \the [W] inside it instead?","No Cutting Surface!",list("Yes","No")) != "Yes")
 				to_chat(user, "You cannot slice \the [src] here! You need a table or at least a tray to do it.")
 				balloon_alert(user, "You cannot slice \the [src] here! You need a table or at least a tray to do it.") // CHOMPEdit
 				return

code/modules/instruments/songs/editor.dm

@@ -136,7 +136,7 @@
 
 			if(length_char(t) >= MUSIC_MAXLINES * MUSIC_MAXLINECHARS)
 				var/cont = tgui_alert(usr, "Your message is too long! Would you like to continue editing it?", "Too long!", list("Yes", "No"))
-				if(cont == "No")
+				if(cont != "Yes")
 					break
 		while(length_char(t) > MUSIC_MAXLINES * MUSIC_MAXLINECHARS)
 		ParseSong(t)

code/modules/mentor/mentor.dm

@@ -181,6 +181,8 @@ var/list/mentor_verbs_default = list(
 	set hidden = 1
 
 	var/mhelp = tgui_alert(usr, "Select the help you need.","Request for Help",list("Adminhelp","Mentorhelp")) == "Mentorhelp"
+	if(!mhelp)
+		return
 	var/msg = tgui_input_text(usr, "Input your request for help.", "Request for Help", multiline = TRUE)
 
 	if (mhelp)

code/modules/mentor/mentorhelp.dm

@@ -448,7 +448,7 @@ GLOBAL_DATUM_INIT(mhelp_tickets, /datum/mentor_help_tickets, new)
 			spawn(1200)
 				add_verb(src,/client/verb/mentorhelp ) // 2 minute cd to prevent abusing this to spam admins. //CHOMPEdit
 			return
-		else if(choice == "Cancel")
+		else if(!choice || choice == "Cancel")
 			return
 
 
@@ -460,7 +460,10 @@ GLOBAL_DATUM_INIT(mhelp_tickets, /datum/mentor_help_tickets, new)
 
 	feedback_add_details("admin_verb","Mentorhelp") //If you are copy-pasting this, ensure the 2nd parameter is unique to the new proc!
 	if(current_mentorhelp)
-		if(tgui_alert(usr, "You already have a ticket open. Is this for the same issue?","Duplicate?",list("Yes","No")) != "No")
+		var/input = tgui_alert(usr, "You already have a ticket open. Is this for the same issue?","Duplicate?",list("Yes","No"))
+		if(!input)
+			return
+		if(input == "Yes")
 			if(current_mentorhelp)
 				log_admin("Mentorhelp: [key_name(src)]: [msg]")
 				current_mentorhelp.MessageNoRecipient(msg)

code/modules/mob/dead/observer/observer.dm

@@ -334,7 +334,7 @@ This is the proc mobs get to turn into a ghost. Forked from ghostize due to comp
 		return
 	if(CONFIG_GET(flag/antag_hud_restricted) && !has_enabled_antagHUD && !client.holder) // CHOMPEdit
 		var/response = tgui_alert(src, "If you turn this on, you will not be able to take any part in the round.","Are you sure you want to turn this feature on?",list("Yes","No"))
-		if(response == "No") return
+		if(response != "Yes") return
 		can_reenter_corpse = FALSE
 		set_respawn_timer(-1) // Foreeeever
 	if(!has_enabled_antagHUD && !client.holder)
@@ -1002,7 +1002,7 @@ This is the proc mobs get to turn into a ghost. Forked from ghostize due to comp
 
 			ghost_sprite = possible_ghost_sprites[choice]
 
-			if(finalized == "No")
+			if(!finalized || finalized == "No")
 				icon_state = previous_state
 
 /mob/observer/dead/is_blind()
@@ -1029,6 +1029,8 @@ This is the proc mobs get to turn into a ghost. Forked from ghostize due to comp
 
 	if(usr.client.prefs?.be_special & BE_PAI)
 		var/choice = tgui_alert(usr, "Would you like to submit yourself to the recruitment list too?", "Confirmation", list("No", "Yes"))
+		if(!choice)
+			return
 		if(choice == "Yes")
 			paiController.recruitWindow(usr)
 		var/count = 0

code/modules/mob/dead/observer/observer_vr.dm

@@ -38,7 +38,7 @@
 	sleep(15) //So if they are typing they get interrupted by sound and message, and don't type over the box
 	var/response = tgui_alert(H,"[src] ([src.key]) wants to join into your Soulcatcher.","Soulcatcher Request",list("Deny","Allow"))
 
-	if(response == "Deny")
+	if(!response || response == "Deny")
 		to_chat(src,"<span class='warning'>[H] denied your request.</span>")
 		return
 

code/modules/mob/living/carbon/give.dm

@@ -20,7 +20,7 @@
 
 	usr.visible_message(SPAN_NOTICE("\The [usr] holds out \the [I] to \the [target]."), SPAN_NOTICE("You hold out \the [I] to \the [target], waiting for them to accept it."))
 
-	if(tgui_alert(target,"[src] wants to give you \a [I]. Will you accept it?","Item Offer",list("Yes","No")) == "No")
+	if(tgui_alert(target,"[src] wants to give you \a [I]. Will you accept it?","Item Offer",list("Yes","No")) != "Yes")
 		target.visible_message(SPAN_NOTICE("\The [src] tried to hand \the [I] to \the [target], but \the [target] didn't want it."))
 		return
 

code/modules/mob/living/carbon/human/species/lleill/lleill_abilities.dm

@@ -178,7 +178,7 @@
 		to_chat(src,"<span class='warning'>You can't do that when restrained.</span>")
 
 	var/r_action = tgui_alert(src, "What would you like to do with your rings? You currently have [LL.lleill_energy] energy remaining.", "Actions", list("Spawn New Ring ([energy_cost_spawn])", "Teleport to Ring ([energy_cost_tele])", "Cancel"))
-	if(r_action == "Cancel")
+	if(!r_action || r_action == "Cancel")
 		return
 	if(findtext(r_action,"Spawn New Ring"))
 		if(LL.lleill_energy < energy_cost_spawn)
@@ -286,7 +286,7 @@
 	if(get_dist(src,chosen_target) > 1)
 		to_chat(src, "<span class='warning'>You need to be standing next to [chosen_target].</span>")
 		return
-	if(accepted == "No")
+	if(!accepted || accepted == "No")
 		to_chat(src, "<span class='warning'>\The [chosen_target] refuses the contact.</span>")
 		return
 	if(accepted == "Yes")

code/modules/mob/living/carbon/human/species/lleill/lleill_items.dm

@@ -156,7 +156,7 @@
 	if(homunculus)
 		var/mob/living/simple_mob/homunculus/H = homunculus
 		var/h_action = tgui_alert(user, "What would you like to do with your homunculus?", "Actions", list("Recall", "Speak Through", "Cancel"))
-		if(h_action == "Cancel")
+		if(!h_action || h_action == "Cancel")
 			return
 		if(h_action == "Recall")
 			H.visible_message("<b>\The [H]</b> returns to the face.")
@@ -244,7 +244,7 @@
 	else
 		m_action= tgui_alert(M, "Do you want to destroy the ring, the owner of it may be aware that you have done this?", "Destroy ring", list("Yes", "No"))
 
-	if(m_action == "No")
+	if(!m_action || m_action == "No")
 		return
 
 	if(m_action == "Yes")
@@ -287,4 +287,4 @@
 	icon_state = "pocket"
 
 //Glamour Floor
-//Glamour Wall
+//Glamour Wall

code/modules/mob/living/carbon/human/species/station/protean_vr/protean_powers.dm

@@ -0,0 +1,407 @@
+#define PER_LIMB_STEEL_COST SHEET_MATERIAL_AMOUNT
+////
+//  One-part Refactor
+////
+/mob/living/carbon/human/proc/nano_partswap()
+	set name = "Ref - Single Limb"
+	set desc = "Allows you to replace and reshape your limbs as you see fit."
+	set category = "Abilities"
+	set hidden = TRUE
+
+	if(stat)
+		to_chat(src,"<span class='warning'>You must be awake and standing to perform this action!</span>")
+		return
+
+	if(!isturf(loc))
+		to_chat(src,"<span class='warning'>You need more space to perform this action!</span>")
+		return
+
+	var/obj/item/organ/internal/nano/refactory/refactory = nano_get_refactory()
+	//Missing the organ that does this
+	if(!istype(refactory))
+		to_chat(src,"<span class='warning'>You don't have a working refactory module!</span>")
+		return
+
+	var/choice = tgui_input_list(src,"Pick the bodypart to change:", "Refactor - One Bodypart", species.has_limbs)
+	if(!choice)
+		return
+
+	//Organ is missing, needs restoring
+	if(!organs_by_name[choice] || istype(organs_by_name[choice], /obj/item/organ/external/stump)) //allows limb stumps to regenerate like removed limbs.
+		if(refactory.get_stored_material(MAT_STEEL) < PER_LIMB_STEEL_COST)
+			to_chat(src,"<span class='warning'>You're missing that limb, and need to store at least [PER_LIMB_STEEL_COST] steel to regenerate it.</span>")
+			return
+		var/regen = tgui_alert(src,"That limb is missing, do you want to regenerate it in exchange for [PER_LIMB_STEEL_COST] steel?","Regenerate limb?",list("Yes","No"))
+		if(regen != "Yes")
+			return
+		if(!refactory.use_stored_material(MAT_STEEL,PER_LIMB_STEEL_COST))
+			return
+		if(organs_by_name[choice])
+			var/obj/item/organ/external/oldlimb = organs_by_name[choice]
+			oldlimb.removed()
+			qdel(oldlimb)
+
+		var/mob/living/simple_mob/protean_blob/blob = nano_intoblob()
+		active_regen = TRUE
+		if(do_after(blob,5 SECONDS))
+			var/list/limblist = species.has_limbs[choice]
+			var/limbpath = limblist["path"]
+			var/obj/item/organ/external/new_eo = new limbpath(src)
+			organs_by_name[choice] = new_eo
+			new_eo.robotize(synthetic ? synthetic.company : null) //Use the base we started with
+			new_eo.sync_colour_to_human(src)
+			regenerate_icons()
+		active_regen = FALSE
+		nano_outofblob(blob)
+		return
+
+	//Organ exists, let's reshape it
+	var/list/usable_manufacturers = list()
+	for(var/company in chargen_robolimbs)
+		var/datum/robolimb/M = chargen_robolimbs[company]
+		if(!(choice in M.parts))
+			continue
+		if(species?.base_species in M.species_cannot_use)
+			continue
+		if(M.whitelisted_to && !(ckey in M.whitelisted_to))
+			continue
+		usable_manufacturers[company] = M
+	if(!usable_manufacturers.len)
+		return
+	var/manu_choice = tgui_input_list(src, "Which manufacturer do you wish to mimic for this limb?", "Manufacturer for [choice]", usable_manufacturers)
+
+	if(!manu_choice)
+		return //Changed mind
+
+	var/obj/item/organ/external/eo = organs_by_name[choice]
+	if(!eo)
+		return //Lost it meanwhile
+
+	eo.robotize(manu_choice)
+	visible_message("<B>[src]</B>'s [choice] loses its shape, then reforms.")
+	update_icons_body()
+
+////
+//  Full Refactor
+////
+/mob/living/carbon/human/proc/nano_regenerate() //fixed the proc, it used to leave active_regen true.
+	set name = "Ref - Whole Body"
+	set desc = "Allows you to regrow limbs and replace organs, given you have enough materials."
+	set category = "Abilities"
+	set hidden = TRUE
+
+	if(stat)
+		to_chat(src,"<span class='warning'>You must be awake and standing to perform this action!</span>")
+		return
+
+	if(!isturf(loc))
+		to_chat(src,"<span class='warning'>You need more space to perform this action!</span>")
+		return
+
+	var/obj/item/organ/internal/nano/refactory/refactory = nano_get_refactory()
+	//Missing the organ that does this
+	if(!istype(refactory))
+		to_chat(src,"<span class='warning'>You don't have a working refactory module!</span>")
+		return
+
+	//Already regenerating
+	if(active_regen)
+		to_chat(src, "<span class='warning'>You are already refactoring!</span>")
+		return
+
+	var/swap_not_rebuild = tgui_alert(src,"Do you want to rebuild, or reshape?","Rebuild or Reshape",list("Reshape","Cancel","Rebuild"))
+	if(!swap_not_rebuild || swap_not_rebuild == "Cancel")
+		return
+	if(swap_not_rebuild == "Reshape")
+		var/list/usable_manufacturers = list()
+		for(var/company in chargen_robolimbs)
+			var/datum/robolimb/M = chargen_robolimbs[company]
+			if(!(BP_TORSO in M.parts))
+				continue
+			if(species?.base_species in M.species_cannot_use)
+				continue
+			if(M.whitelisted_to && !(ckey in M.whitelisted_to))
+				continue
+			usable_manufacturers[company] = M
+		if(!usable_manufacturers.len)
+			return
+		var/manu_choice = tgui_input_list(src, "Which manufacturer do you wish to mimic?", "Manufacturer", usable_manufacturers)
+
+		if(!manu_choice)
+			return //Changed mind
+		if(!organs_by_name[BP_TORSO])
+			return //Ain't got a torso!
+
+		var/obj/item/organ/external/torso = organs_by_name[BP_TORSO]
+		to_chat(src, "<span class='danger'>Remain still while the process takes place! It will take 5 seconds.</span>")
+		visible_message("<B>[src]</B>'s form collapses into an amorphous blob of black ichor...")
+
+		var/mob/living/simple_mob/protean_blob/blob = nano_intoblob()
+		active_regen = TRUE
+		if(do_after(blob,5 SECONDS))
+			synthetic = usable_manufacturers[manu_choice]
+			torso.robotize(manu_choice) //Will cascade to all other organs.
+			regenerate_icons()
+			visible_message("<B>[src]</B>'s form reshapes into a new one...")
+		active_regen = FALSE
+		nano_outofblob(blob)
+		return
+
+	//Not enough resources (AND spends the resources, should be the last check)
+	if(!refactory.use_stored_material(MAT_STEEL,refactory.max_storage))
+		to_chat(src, "<span class='warning'>You need to be maxed out on normal metal to do this!</span>")
+		return
+
+	var/delay_length = round(active_regen_delay * species.active_regen_mult)
+	to_chat(src, "<span class='danger'>Remain still while the process takes place! It will take [delay_length/10] seconds.</span>")
+	visible_message("<B>[src]</B>'s form begins to shift and ripple as if made of oil...")
+	active_regen = TRUE
+
+	var/mob/living/simple_mob/protean_blob/blob = nano_intoblob()
+	if(do_after(blob, delay_length, null, 0))
+		if(stat != DEAD && refactory)
+			var/list/holder = refactory.materials
+			species.create_organs(src)
+			var/obj/item/organ/external/torso = organs_by_name[BP_TORSO]
+			torso.robotize() //synthetic wasn't defined here.
+			LAZYCLEARLIST(blood_DNA)
+			LAZYCLEARLIST(feet_blood_DNA)
+			blood_color = null
+			feet_blood_color = null
+			regenerate_icons() //Probably worth it, yeah.
+			var/obj/item/organ/internal/nano/refactory/new_refactory = locate() in internal_organs
+			if(!new_refactory)
+				log_debug("[src] protean-regen'd but lacked a refactory when done.")
+			else
+				new_refactory.materials = holder
+			to_chat(src, "<span class='notice'>Your refactoring is complete.</span>") //Guarantees the message shows no matter how bad the timing.
+			to_chat(blob, "<span class='notice'>Your refactoring is complete!</span>")
+		else
+			to_chat(src,  "<span class='critical'>Your refactoring has failed.</span>")
+			to_chat(blob, "<span class='critical'>Your refactoring has failed!</span>")
+	else
+		to_chat(src,  "<span class='critical'>Your refactoring is interrupted.</span>")
+		to_chat(blob, "<span class='critical'>Your refactoring is interrupted!</span>")
+	active_regen = FALSE
+	nano_outofblob(blob)
+
+
+////
+//  Storing metal
+////
+/mob/living/carbon/human/proc/nano_metalnom()
+	set name = "Ref - Store Metals"
+	set desc = "If you're holding a stack of material, you can consume some and store it for later."
+	set category = "Abilities"
+	set hidden = TRUE
+
+	var/obj/item/organ/internal/nano/refactory/refactory = nano_get_refactory()
+	//Missing the organ that does this
+	if(!istype(refactory))
+		to_chat(src,"<span class='warning'>You don't have a working refactory module!</span>")
+		return
+
+	var/held = get_active_hand()
+	if(!istype(held,/obj/item/stack/material))
+		to_chat(src,"<span class='warning'>You aren't holding a stack of materials in your active hand...!</span>")
+		return
+
+	var/obj/item/stack/material/matstack = held
+	var/substance = matstack.material.name
+	var allowed = FALSE
+	for(var/material in PROTEAN_EDIBLE_MATERIALS)
+		if(material == substance) allowed = TRUE
+	if(!allowed)
+		to_chat(src,"<span class='warning'>You can't process [substance]!</span>")
+		return //Only a few things matter, the rest are best not cluttering the lists.
+
+	var/howmuch = tgui_input_number(src,"How much do you want to store? (0-[matstack.get_amount()])","Select amount",null,matstack.get_amount(),0)
+	if(!howmuch || matstack != get_active_hand() || howmuch > matstack.get_amount())
+		return //Quietly fail
+
+	var/actually_added = refactory.add_stored_material(substance,howmuch*matstack.perunit)
+	matstack.use(CEILING((actually_added/matstack.perunit), 1))
+	if(actually_added && actually_added < howmuch)
+		to_chat(src,"<span class='warning'>Your refactory module is now full, so only [actually_added] units were stored.</span>")
+		visible_message("<span class='notice'>[src] nibbles some of the [substance] right off the stack!</span>")
+	else if(actually_added)
+		to_chat(src,"<span class='notice'>You store [actually_added] units of [substance].</span>")
+		visible_message("<span class='notice'>[src] devours some of the [substance] right off the stack!</span>")
+	else
+		to_chat(src,"<span class='notice'>You're completely capped out on [substance]!</span>")
+
+////
+//  Blob Form
+////
+/mob/living/carbon/human/proc/nano_blobform()
+	set name = "Toggle Blobform"
+	set desc = "Switch between amorphous and humanoid forms."
+	set category = "Abilities"
+	set hidden = TRUE
+
+	var/atom/movable/to_locate = temporary_form || src
+	if(!isturf(to_locate.loc))
+		to_chat(to_locate,"<span class='warning'>You need more space to perform this action!</span>")
+		return
+
+	//Blob form
+	if(temporary_form)
+		if(health < maxHealth*0.5)
+			to_chat(temporary_form,"<span class='warning'>You need to regenerate more nanites first!</span>")
+		else if(temporary_form.stat)
+			to_chat(temporary_form,"<span class='warning'>You can only do this while not stunned.</span>")
+		else
+			nano_outofblob(temporary_form)
+
+	//Human form
+	else if(stat)
+		to_chat(src,"<span class='warning'>You can only do this while not stunned.</span>")
+		return
+	else
+		nano_intoblob()
+
+////
+//  Change fitting
+////
+/mob/living/carbon/human/proc/nano_change_fitting()
+	set name = "Change Species Fit"
+	set desc = "Tweak your shape to change what suits you fit into (and their sprites!)."
+	set category = "Abilities"
+
+	if(stat)
+		to_chat(src,"<span class='warning'>You must be awake and standing to perform this action!</span>")
+		return
+
+	var/new_species = tgui_input_list(usr, "Please select a species to emulate.", "Shapeshifter Body", GLOB.playable_species)
+	if(new_species)
+		species?.base_species = new_species // Really though you better have a species
+		regenerate_icons() //Expensive, but we need to recrunch all the icons we're wearing
+
+////
+//  Change size
+////
+/mob/living/carbon/human/proc/nano_set_size()
+	set name = "Adjust Volume"
+	set category = "Abilities"
+	set hidden = TRUE
+
+	var/mob/living/user = temporary_form || src
+
+	var/obj/item/organ/internal/nano/refactory/refactory = nano_get_refactory()
+	//Missing the organ that does this
+	if(!istype(refactory))
+		to_chat(user,"<span class='warning'>You don't have a working refactory module!</span>")
+		return
+
+	var/nagmessage = "Adjust your mass to be a size between 25 to 200% (or between 1 to 600% in dorms area). Up-sizing consumes metal, downsizing returns metal."
+	var/new_size = tgui_input_number(user, nagmessage, "Pick a Size", user.size_multiplier*100, 600, 1)
+	if(!new_size || !size_range_check(new_size))
+		return
+
+	var/size_factor = new_size/100
+
+	//Will be: -1.75 for 200->25, and 1.75 for 25->200
+	var/sizediff = size_factor - user.size_multiplier
+
+	//Negative if shrinking, positive if growing
+	//Will be (PLSC*2)*-1.75 to 1.75
+	//For 2000 PLSC that's -7000 to 7000
+	var/cost = (PER_LIMB_STEEL_COST*2)*sizediff
+
+	//Sizing up
+	if(cost > 0)
+		if(refactory.use_stored_material(MAT_STEEL,cost))
+			user.resize(size_factor, ignore_prefs = TRUE)
+		else
+			to_chat(user,"<span class='warning'>That size change would cost [cost] steel, which you don't have.</span>")
+	//Sizing down (or not at all)
+	else if(cost <= 0)
+		cost = abs(cost)
+		var/actually_added = refactory.add_stored_material(MAT_STEEL,cost)
+		user.resize(size_factor, ignore_prefs = TRUE)
+		if(actually_added != cost)
+			to_chat(user,"<span class='warning'>Unfortunately, [cost-actually_added] steel was lost due to lack of storage space.</span>")
+
+	user.visible_message("<span class='notice'>Black mist swirls around [user] as they change size.</span>")
+
+/// /// /// A helper to reuse
+/mob/living/proc/nano_get_refactory(obj/item/organ/internal/nano/refactory/R)
+	if(istype(R))
+		if(!(R.status & ORGAN_DEAD))
+			return R
+	return
+
+/mob/living/simple_mob/protean_blob/nano_get_refactory()
+	if(refactory)
+		return ..(refactory)
+	if(humanform)
+		return humanform.nano_get_refactory()
+
+/mob/living/carbon/human/nano_get_refactory()
+	return ..(locate(/obj/item/organ/internal/nano/refactory) in internal_organs)
+
+
+
+/// /// /// Ability objects for stat panel
+/obj/effect/protean_ability
+	name = "Activate"
+	desc = ""
+	icon = 'icons/mob/species/protean/protean_powers.dmi'
+	var/ability_name
+	var/to_call
+
+/obj/effect/protean_ability/proc/atom_button_text()
+	return src
+
+/obj/effect/protean_ability/Click(var/location, var/control, var/params)
+	var/list/clickprops = params2list(params)
+	var/opts = clickprops["shift"]
+
+	if(opts)
+		to_chat(usr,"<span class='notice'><b>[ability_name]</b> - [desc]</span>")
+	else
+		//Humanform using it
+		if(ishuman(usr))
+			do_ability(usr)
+		//Blobform using it
+		else
+			var/mob/living/simple_mob/protean_blob/blob = usr
+			do_ability(blob.humanform)
+
+/obj/effect/protean_ability/proc/do_ability(var/mob/living/L)
+	if(istype(L))
+		call(L,to_call)()
+	return FALSE
+
+/// The actual abilities
+/obj/effect/protean_ability/into_blob
+	ability_name = "Toggle Blobform"
+	desc = "Discard your shape entirely, changing to a low-energy blob that can fit into small spaces. You'll consume steel to repair yourself in this form."
+	icon_state = "blob"
+	to_call = /mob/living/carbon/human/proc/nano_blobform
+
+/obj/effect/protean_ability/change_volume
+	ability_name = "Change Volume"
+	desc = "Alter your size by consuming steel to produce additional nanites, or regain steel by reducing your size and reclaiming them."
+	icon_state = "volume"
+	to_call = /mob/living/carbon/human/proc/nano_set_size
+
+/obj/effect/protean_ability/reform_limb
+	ability_name = "Ref - Single Limb"
+	desc = "Rebuild or replace a single limb, assuming you have 2000 steel."
+	icon_state = "limb"
+	to_call = /mob/living/carbon/human/proc/nano_partswap
+
+/obj/effect/protean_ability/reform_body
+	ability_name = "Ref - Whole Body"
+	desc = "Rebuild your entire body into whatever design you want, assuming you have 10,000 metal."
+	icon_state = "body"
+	to_call = /mob/living/carbon/human/proc/nano_regenerate
+
+/obj/effect/protean_ability/metal_nom
+	ability_name = "Ref - Store Metals"
+	desc = "Store the metal you're holding. Your refactory can only store steel, and all other metals will be converted into nanites ASAP for various effects."
+	icon_state = "metal"
+	to_call = /mob/living/carbon/human/proc/nano_metalnom
+
+#undef PER_LIMB_STEEL_COST

code/modules/mob/living/carbon/human/species/station/station_special_abilities_vr.dm

@@ -1274,6 +1274,8 @@
 		return
 
 	var/choice = tgui_alert(src, "Do you wish to change the color of your appendage, use it, or change its functionality?", "Selection List", list("Use it", "Color", "Functionality"))
+	if(!choice)
+		return
 
 	if(choice == "Color") //Easy way to set color so we don't bloat up the menu with even more buttons.
 		var/new_color = input(usr, "Choose a color to set your appendage to!", "", appendage_color) as color|null
@@ -1282,6 +1284,8 @@
 
 	if(choice == "Functionality") //Easy way to set color so we don't bloat up the menu with even more buttons.
 		var/choice2 = tgui_alert(usr, "Choose if you want to be pulled to the target or pull them to you!", "Functionality Setting", list("Pull target to self", "Pull self to target"))
+		if(!choice2)
+			return
 		if(choice2 == "Pull target to self")
 			appendage_alt_setting = 0
 		else
@@ -1561,6 +1565,9 @@
 
 	var/choice = tgui_alert(src, "Do you wish to inject somebody, or adjust settings?", "Selection List", choices)
 
+	if(!choice)
+		return
+
 	if(choice == "Change reagent")
 		var/reagent_choice = tgui_input_list(usr, "Choose which reagent to inject!", "Select reagent", trait_injection_reagents)
 		if(reagent_choice)

code/modules/mob/living/carbon/human/species/station/traits_vr/traits_tutorial.dm

@@ -41,7 +41,7 @@ TGUI frontend path: tgui\packages\tgui\interfaces\TraitTutorial.tsx
 
 
 	var/UI_choice = tgui_alert(src, "Would you like the tutorial text to be printed to chat?", "Choose preferred tutorial interface", list("TGUI","To Chat", "Cancel"))
-	if(UI_choice == "Cancel")
+	if(!UI_choice || UI_choice == "Cancel")
 		return
 
 	//Initializing associative lists

code/modules/mob/living/living.dm

@@ -122,7 +122,7 @@
 	else
 		if(stat == DEAD)
 			to_chat(src, span_blue("As much as you'd like, you can't die when already dead"))
-		else if(confirm1 == "No" || confirm2 == "No")
+		else if(!confirm1 || confirm1 == "No" || !confirm2 || confirm2 == "No")
 			to_chat(src, span_blue("You chose to live another day."))
 		else
 			to_chat(src, span_blue("You are not injured enough to succumb to death!"))

code/modules/mob/living/silicon/ai/ai.dm

@@ -392,6 +392,9 @@ var/list/ai_verbs_default = list(
 
 	var/confirm = tgui_alert(usr, "Are you sure you want to call the shuttle?", "Confirm Shuttle Call", list("Yes", "No"))
 
+	if(!confirm)
+		return
+
 	if(check_unable(AI_CHECK_WIRELESS))
 		return
 
@@ -619,6 +622,9 @@ var/list/ai_verbs_default = list(
 		if("Model")
 			choice = tgui_alert(usr, "Would you like to select a hologram based on a (visible) crew member, switch to unique avatar, or load your character from your character slot?","Hologram Selection",list("Crew Member","Unique","My Character"))
 
+			if(!choice)
+				return
+
 			switch(choice)
 				if("Crew Member") //A seeable crew member (or a dog)
 					var/list/targets = trackable_mobs()

code/modules/mob/living/silicon/pai/pai.dm

@@ -511,7 +511,7 @@
 					if(radio)
 						radio.recalculateChannels()
 					return
-				if("Cancel")
+				if("Cancel", null)
 					return
 		else if (istype(W, /obj/item/weapon/card/id) && idaccessible == 0)
 			to_chat(user, "<span class='notice'>[src] is not accepting access modifications at this time.</span>")		// CHOMPEDIT : purdev (spelling fix)

code/modules/mob/living/silicon/robot/dogborg/dog_modules_vr.dm

@@ -444,6 +444,8 @@
 /obj/item/device/lightreplacer/dogborg/attack_self(mob/user)//Recharger refill is so last season. Now we recycle without magic!
 
 	var/choice = tgui_alert(user, "Do you wish to check the reserves or change the color?", "Selection List", list("Reserves", "Color"))
+	if(!choice)
+		return
 	if(choice == "Color")
 		var/new_color = input(usr, "Choose a color to set the light to! (Default is [LIGHT_COLOR_INCANDESCENT_TUBE])", "", selected_color) as color|null
 		if(new_color)

code/modules/mob/living/silicon/robot/robot.dm

@@ -928,7 +928,7 @@
 					if(is_vore_predator(H) && H.devourable && src.feeding && src.devourable)
 						var/switchy = tgui_alert(H, "Do you wish to eat [src] or feed yourself to them?", "Feed or Eat",list("Nevermind!", "Eat","Feed"))
 						switch(switchy)
-							if("Nevermind!")
+							if("Nevermind!", null)
 								return
 							if("Eat")
 								feed_grabbed_to_self(H, src)

code/modules/mob/mob.dm

@@ -390,7 +390,7 @@
 	// Final chance to abort "respawning"
 	if(mind && timeofdeath) // They had spawned before
 		var/choice = tgui_alert(usr, "Returning to the menu will prevent your character from being revived in-round. Are you sure?", "Confirmation", list("No, wait", "Yes, leave"))
-		if(choice == "No, wait")
+		if(!choice || choice == "No, wait")
 			return
 		else if(mind.assigned_role)
 			var/extra_check = tgui_alert(usr, "Do you want to Quit This Round before you return to lobby?\

code/modules/modular_computers/file_system/programs/generic/file_browser.dm

@@ -60,7 +60,7 @@
 			var/datum/computer_file/data/F = computer.find_file_by_uid(open_file)
 			if(!F || !istype(F))
 				return
-			if(F.do_not_edit && (tgui_alert(usr, "WARNING: This file is not compatible with editor. Editing it may result in permanently corrupted formatting or damaged data consistency. Edit anyway?", "Incompatible File", list("No", "Yes")) == "No"))
+			if(F.do_not_edit && (tgui_alert(usr, "WARNING: This file is not compatible with editor. Editing it may result in permanently corrupted formatting or damaged data consistency. Edit anyway?", "Incompatible File", list("No", "Yes")) != "Yes"))
 				return
 
 			var/oldtext = html_decode(F.stored_data)

code/modules/multiz/ladders.dm

@@ -73,7 +73,7 @@
 	if(target_down && target_up)
 		var/direction = tgui_alert(M,"Do you want to go up or down?", "Ladder", list("Up", "Down", "Cancel"))
 
-		if(direction == "Cancel")
+		if(!direction || direction == "Cancel")
 			return
 
 		if(!M.may_climb_ladders(src))

code/modules/multiz/movement_vr.dm

@@ -138,13 +138,13 @@
 		if(!permit_human)
 			var/sure = tgui_alert(H,"Are you sure you want to try without tools? It's VERY LIKELY \
 			you will fall and get hurt. More agile species might have better luck", "Second Thoughts", list("Bring it!", "Stay grounded"))
-			if(sure == "Stay grounded") return
+			if(sure || sure == "Stay grounded") return
 			fall_chance = clamp(100 - H.species.agility, 40, 90) //This should be 80 for most species. Traceur would reduce to 10%, so clamping higher
 	//If not a human mob, must be simple or silicon. They got a var stored on their mob we can check
 	else if(!L.can_climb)
 		var/sure = tgui_alert(L,"Are you sure you want to try without tools? It's VERY LIKELY \
 			you will fall and get hurt. More agile species might have better luck", "Second Thoughts", list("Bring it!", "Stay grounded"))
-		if(sure == "Stay grounded") return
+		if(!sure || sure == "Stay grounded") return
 		if(isrobot(L))
 			fall_chance = 80 // Robots get no mercy
 		else
@@ -262,13 +262,13 @@
 		if(!permit_human)
 			var/sure = tgui_alert(H,"Are you sure you want to try without tools? It's VERY LIKELY \
 			you will fall and get hurt. More agile species might have better luck", "Second Thoughts", list("Bring it!", "Stay grounded"))
-			if(sure == "Stay grounded") return
+			if(!sure || sure == "Stay grounded") return
 			fall_chance = clamp(100 - H.species.agility, 40, 90) //This should be 80 for most species. Traceur would reduce to 10%, so clamping higher
 	//If not a human mob, must be simple or silicon. They got a var stored on their mob we can check
 	else if(!src.can_climb)
 		var/sure = tgui_alert(src,"Are you sure you want to try without tools? It's VERY LIKELY \
 			you will fall and get hurt. More agile species might have better luck", "Second Thoughts", list("Bring it!", "Stay grounded"))
-		if(sure == "Stay grounded") return
+		if(!sure || sure == "Stay grounded") return
 		if(isrobot(src))
 			fall_chance = 80 // Robots get no mercy
 		else

code/modules/paperwork/adminpaper.dm

@@ -41,6 +41,8 @@
 	var/timehash = copytext(md5("[world.time]"),1,10)
 	var/text = null
 	var/logo = tgui_alert(usr, "Do you want the header of your fax to have a NanoTrasen, SolGov, or Trader logo?","Fax Logo",list("NanoTrasen","SolGov","Trader")) //VOREStation Add - Trader
+	if(!logo)
+		return
 	if(logo == "SolGov")
 		logo = "sglogo.png"
 	//VOREStation Edit/Add

code/modules/paperwork/faxmachine.dm

@@ -283,7 +283,7 @@ Extracted to its own procedure for easier logic handling with paper bundles.
 	var/choice = tgui_alert(usr, "[question_text] improve response time from staff when sending to discord. \
 	Renaming it changes its preview in staff chat.", \
 	"Default name detected", list("Change Title","Continue", "Cancel"))
-	if(choice == "Cancel")
+	if(!choice || choice == "Cancel")
 		return TRUE
 	else if(choice == "Change Title")
 		var/new_name = tgui_input_text(usr, "Enter new fax title", "This will show up in the preview for staff chat on discord when sending \

code/modules/power/fusion/_setup.dm

@@ -22,7 +22,7 @@
 		return
 
 	var/response = tgui_alert(usr, "Are you sure?", "Engine setup", list("No", "Yes"))
-	if(!response || response == "No")
+	if(response != "Yes")
 		return
 
 	var/errors = 0
@@ -80,4 +80,4 @@
 #undef SETUP_OK
 #undef SETUP_WARNING
 #undef SETUP_ERROR
-#undef SETUP_DELAYED
+#undef SETUP_DELAYED

code/modules/random_map/drop/droppod.dm

@@ -163,7 +163,10 @@
 	if(!spawn_path)
 		return
 
-	if(tgui_alert(usr, "Do you wish the mob to have a player?","Assign Player?",list("No","Yes")) == "No")
+	var/input = tgui_alert(usr, "Do you wish the mob to have a player?","Assign Player?",list("No","Yes"))
+	if(!input)
+		return
+	if(input == "No")
 		var/spawn_count = tgui_input_number(usr, "How many mobs do you wish the pod to contain?", "Drop Pod Selection", null, min_value=1)
 		if(spawn_count <= 0)
 			return
@@ -197,7 +200,7 @@
 				var/datum/antagonist/A = all_antag_types[antag_type]
 				A.equip(spawned_mob)
 
-	if(tgui_alert(usr, "Are you SURE you wish to deploy this drop pod? It will cause a sizable explosion and gib anyone underneath it.","Danger!",list("No","Yes")) == "No")
+	if(tgui_alert(usr, "Are you SURE you wish to deploy this drop pod? It will cause a sizable explosion and gib anyone underneath it.","Danger!",list("No","Yes")) != "Yes")
 		if(spawned_mob)
 			qdel(spawned_mob)
 		if(spawned_mobs.len)

code/modules/random_map/drop/supply.dm

@@ -42,6 +42,8 @@
 	var/chosen_loot_type
 	var/list/chosen_loot_types
 	var/choice = tgui_alert(usr, "Do you wish to supply a custom loot list?","Supply Drop",list("No","Yes"))
+	if(!choice)
+		return
 	if(choice == "Yes")
 		chosen_loot_types = list()
 
@@ -83,11 +85,13 @@
 				chosen_loot_types |= adding_loot_type
 	else
 		choice = tgui_alert(usr, "Do you wish to specify a loot type?","Supply Drop",list("No","Yes"))
+		if(!choice)
+			return
 		if(choice == "Yes")
 			chosen_loot_type = tgui_input_list(usr, "Select a loot type.", "Loot Selection", supply_drop_random_loot_types())
 
 	choice = tgui_alert(usr, "Are you SURE you wish to deploy this supply drop? It will cause a sizable explosion and gib anyone underneath it.","Supply Drop",list("No","Yes"))
-	if(choice == "No")
+	if(choice != "Yes")
 		return
 	log_admin("[key_name(usr)] dropped supplies at ([usr.x],[usr.y],[usr.z])")
 	new /datum/random_map/droppod/supply(null, usr.x-2, usr.y-2, usr.z, supplied_drops = chosen_loot_types, supplied_drop = chosen_loot_type)

code/modules/reagents/machinery/injector_maker.dm

@@ -239,7 +239,7 @@
 			amount_per_injector = CLAMP(beaker.reagents.total_volume / amount, 0, 15)
 	if((size == "small injector" && amount_per_injector < 5) || size == "large injector" && amount_per_injector < 15)
 		proceed = tgui_alert(usr, "Heads up! Less than max volume per injector!\n Making [amount] [size](s) filled with [amount_per_injector] total reagent volume each!","Proceed?",list("No","Yes"))
-	if(proceed == "No" || !amount_per_injector)
+	if(!proceed || proceed == "No" || !amount_per_injector)
 		return
 	for(var/i, i < amount, i++)
 		switch(size)

code/modules/research/rdconsole_tgui.dm

@@ -421,7 +421,7 @@
 				to_chat(usr, "<span class='notice'>The destructive analyzer is busy at the moment.</span>")
 				return
 
-			if(tgui_alert(usr, "Proceeding will destroy loaded item. Continue?", "Destructive analyzer confirmation", list("Yes", "No")) == "No" || !linked_destroy)
+			if(tgui_alert(usr, "Proceeding will destroy loaded item. Continue?", "Destructive analyzer confirmation", list("Yes", "No")) != "Yes" || !linked_destroy)
 				return
 			linked_destroy.busy = 1
 			busy_msg = "Processing and Updating Database..."

code/modules/resleeving/autoresleever.dm

@@ -133,7 +133,7 @@
 			spawn_slots --
 			return
 
-	if(tgui_alert(ghost, "Would you like to be resleeved?", "Resleeve", list("No","Yes")) == "No")
+	if(tgui_alert(ghost, "Would you like to be resleeved?", "Resleeve", list("No","Yes")) != "Yes")
 		return
 	var/mob/living/carbon/human/new_character
 	new_character = new(spawnloc)

code/modules/resleeving/computers.dm

@@ -407,7 +407,7 @@
 						var/answer = tgui_alert(active_mr.mind_ref.current,"Someone is attempting to restore a backup of your mind. Do you want to abandon this body, and move there? You MAY suffer memory loss! (Same rules as CMD apply)","Resleeving",list("No","Yes"))
 
 						//They declined to be moved.
-						if(answer == "No")
+						if(answer != "Yes")
 							set_temp("Initiating resleeving... Error: Post-initialisation failed. Resleeving cycle aborted.", "danger")
 							tgui_modal_clear(src)
 							return TRUE

code/modules/shuttles/shuttles_web.dm

@@ -375,11 +375,11 @@
 		return 1
 
 	var/choice = tgui_alert(usr, "The shuttle is currently docked! Please undock before continuing.","Error",list("Cancel","Force Launch"))
-	if(choice == "Cancel")
+	if(!choice || choice == "Cancel")
 		return 0
 
 	choice = tgui_alert(usr, "Forcing a shuttle launch while docked may result in severe injury, death and/or damage to property. Are you sure you wish to continue?", "Force Launch", list("Force Launch", "Cancel"))
-	if(choice == "Cancel")
+	if(choice || choice == "Cancel")
 		return 0
 
 	return 1

code/modules/virus2/admin.dm

@@ -194,7 +194,7 @@
 			if(!antigens.len)
 				var/a = tgui_alert(usr, "This disease has no antigens; it will be impossible to permanently immunise anyone without them.\
 								It is strongly recommended to set at least one antigen. Do you want to go back and edit your virus?", "Antigens", list("Yes", "No"))
-				if(a == "Yes") return
+				if(!a || a == "Yes") return
 			var/datum/disease2/disease/D = new
 			D.infectionchance = infectionchance
 			D.spreadtype = spreadtype

code/modules/vore/eating/living_vr.dm

@@ -1319,6 +1319,8 @@
 	set desc = "Print out your vorebelly messages into chat for copypasting."
 
 	var/result = tgui_alert(src, "Would you rather open the export panel?", "Selected Belly Export", list("Open Panel", "Print to Chat"))
+	if(!result)
+		return
 	if(result == "Open Panel")
 		var/mob/living/user = usr
 		if(!user)

code/modules/vore/eating/vorepanel_vr.dm

@@ -3820,7 +3820,7 @@ var/global/list/belly_colorable_only_fullscreens = list("a_synth_flesh_mono",
 			. = TRUE
 		if("b_del")
 			var/alert = tgui_alert(user, "Are you sure you want to delete your [lowertext(host.vore_selected.name)]?","Confirmation",list("Cancel","Delete")) //ChompEDIT - user, not usr
-			if(!(alert == "Delete"))
+			if(alert != "Delete")
 				return FALSE
 
 			var/failure_msg = ""

code/modules/vore/resizing/crackers.dm

@@ -15,7 +15,7 @@
 	var/rigged = 0 //So that they can be rigged by varedits to go one way or the other. positive values mean holder always wins, negative values mean target always wins.
 	var/list/prizes = list("shrinking","growing","drugged","invisibility","knocked over","teleport","wealth")
 	var/list/jokes = list(
-						"When is a boat just like snow? When it’s adrift.",
+						"When is a boat just like snow? When it's adrift.",
 						"What happens to naughty elves? Santa gives them the sack.",
 						"What do you call an old snowman? Water.",
 						"Why has Santa been banned from sooty chimneys? Carbon footprints.",
@@ -29,7 +29,7 @@
 						"What's red, and smells like blue paint? Red paint.",
 						"Where do cows go to dance? A meat ball.",
 						"What do you call a person who steals all your toenail clippings? A cliptoemaniac.",
-						"What’s brown and sticky? A stick.",
+						"What's brown and sticky? A stick.",
 						"What's the best way to kill a circus? Go for the juggler.",
 						"What do you call a cow with no legs? Ground Beef.",
 						"Why'd the scarecrow win the Nobel prize? He was outstanding in his field.")
@@ -45,7 +45,7 @@
 		return
 	to_chat(user, "<span class='notice'>You offer \the [src] to \the [target] to pull and wait to see how whether they do.</span>")
 	var/check_pull = tgui_alert(target, "\The [user] is offering to pull \the [src] with you, do you want to pull it?", "Pull Cracker", list("Yes", "No"))
-	if(check_pull == "No")
+	if(!check_pull || check_pull == "No")
 		to_chat(user, "<span class='notice'>\The [target] chose not to pull \the [src]!</span>")
 		return
 	if(!adjacent)

code/modules/xenoarcheaology/tools/artifact_harvester.dm

@@ -101,7 +101,7 @@
 		if("drainbattery")
 			if(inserted_battery)
 				if(inserted_battery.battery_effect && inserted_battery.stored_charge > 0)
-					if(tgui_alert(usr, "This action will dump all charge, safety gear is recommended before proceeding","Warning",list("Continue","Cancel")))
+					if(tgui_alert(usr, "This action will dump all charge, safety gear is recommended before proceeding","Warning",list("Continue","Cancel")) == "Continue")
 						if(!inserted_battery.battery_effect.activated)
 							inserted_battery.battery_effect.ToggleActivate(1)
 						last_process = world.time

code/modules/xenoarcheaology/tools/geosample_scanner.dm

@@ -65,6 +65,8 @@
 	else
 		if(istype(I, /obj/item/stack/nanopaste))
 			var/choice = tgui_alert(usr, "What do you want to do with the nanopaste?","Radiometric Scanner",list("Scan nanopaste","Fix seal integrity"))
+			if(!choice)
+				return
 			if(choice == "Fix seal integrity")
 				var/obj/item/stack/nanopaste/N = I
 				var/amount_used = min(N.get_amount(), 10 - scanner_seal_integrity / 10)
@@ -76,6 +78,8 @@
 			if(!G.is_open_container())
 				return
 			var/choice = tgui_alert(usr, "What do you want to do with the container?","Radiometric Scanner",list("Add coolant","Empty coolant","Scan container"))
+			if(!choice)
+				return
 			if(choice == "Add coolant")
 				var/amount_transferred = min(src.reagents.maximum_volume - src.reagents.total_volume, G.reagents.total_volume)
 				var/trans = G.reagents.trans_to_obj(src, amount_transferred)

interface/interface.dm

@@ -21,7 +21,7 @@
 	set desc = "Visit the forum."
 	set hidden = 1
 	if(CONFIG_GET(string/forumurl)) // CHOMPEdit
-		if(tgui_alert(usr, "This will open the forum in your browser. Are you sure?","Visit Website",list("Yes","No"))=="No")
+		if(tgui_alert(usr, "This will open the forum in your browser. Are you sure?","Visit Website",list("Yes","No")) != "Yes")
 			return
 		src << link(CONFIG_GET(string/forumurl)) // CHOMPEdit
 	else
@@ -34,7 +34,7 @@
 	set hidden = 1
 
 	if(CONFIG_GET(string/rulesurl)) // CHOMPEdit
-		if(tgui_alert(usr, "This will open the rules in your browser. Are you sure?","Visit Website",list("Yes","No"))=="No")
+		if(tgui_alert(usr, "This will open the rules in your browser. Are you sure?","Visit Website",list("Yes","No")) != "Yes")
 			return
 		src << link(CONFIG_GET(string/rulesurl)) // CHOMPEdit
 	else
@@ -47,7 +47,7 @@
 	set hidden = 1
 
 	if(CONFIG_GET(string/mapurl)) // CHOMPEdit
-		if(tgui_alert(usr, "This will open the map in your browser. Are you sure?","Visit Website",list("Yes","No"))=="No")
+		if(tgui_alert(usr, "This will open the map in your browser. Are you sure?","Visit Website",list("Yes","No")) != "Yes")
 			return
 		src << link(CONFIG_GET(string/mapurl)) // CHOMPEdit
 	else
@@ -60,7 +60,7 @@
 	set hidden = 1
 
 	if(CONFIG_GET(string/githuburl)) // CHOMPEdit
-		if(tgui_alert(usr, "This will open the GitHub in your browser. Are you sure?","Visit Website",list("Yes","No"))=="No")
+		if(tgui_alert(usr, "This will open the GitHub in your browser. Are you sure?","Visit Website",list("Yes","No")) != "Yes")
 			return
 		src << link(CONFIG_GET(string/githuburl)) // CHOMPEdit
 	else
@@ -73,7 +73,7 @@
 	set hidden = 1
 
 	if(CONFIG_GET(string/discordurl)) // CHOMPEdit
-		if(tgui_alert(usr, "This will open the Discord in your browser. Are you sure?","Visit Website",list("Yes","No"))=="No")
+		if(tgui_alert(usr, "This will open the Discord in your browser. Are you sure?","Visit Website",list("Yes","No")) != "Yes")
 			return
 		src << link(CONFIG_GET(string/discordurl)) // CHOMPEdit
 	else
@@ -86,7 +86,7 @@
 	set hidden = 1
 
 	if(CONFIG_GET(string/patreonurl)) // CHOMPEdit
-		if(tgui_alert(usr, "This will open the Patreon in your browser. Are you sure?","Visit Website",list("Yes","No"))=="No")
+		if(tgui_alert(usr, "This will open the Patreon in your browser. Are you sure?","Visit Website",list("Yes","No")) != "Yes")
 			return
 		src << link(CONFIG_GET(string/patreonurl)) // CHOMPEdit
 	else

modular_chomp/code/game/machinery/virtual_reality/vr_console.dm

@@ -196,7 +196,7 @@
 	if(!occupant)
 		return
 
-	if(!forced && avatar && tgui_alert(avatar, "Someone wants to remove you from virtual reality. Do you want to leave?", "Leave VR?", list("Yes", "No")) == "No")
+	if(!forced && avatar && tgui_alert(avatar, "Someone wants to remove you from virtual reality. Do you want to leave?", "Leave VR?", list("Yes", "No")) != "Yes")
 		return
 
 	if(avatar)
@@ -233,7 +233,7 @@
 
 	avatar = occupant.vr_link
 	// If they've already enterred VR, and are reconnecting, prompt if they want a new body
-	if(avatar && tgui_alert(occupant, "You already have a [avatar.stat == DEAD ? "" : "deceased "]Virtual Reality avatar. Would you like to use it?", "New avatar", list("Yes", "No")) == "No")
+	if(avatar && tgui_alert(occupant, "You already have a [avatar.stat == DEAD ? "" : "deceased "]Virtual Reality avatar. Would you like to use it?", "New avatar", list("Yes", "No")) != "Yes")
 		// Delink the mob
 		occupant.vr_link = null
 		avatar = null