Merge pull request #10596 from Seris02/hijackbackup

Hijack Implant

code/game/machinery/Sleeper.dm

@@ -182,7 +182,7 @@
 
 /obj/machinery/sleeper/AltClick(mob/user)
 	. = ..()
-	if(!user.canUseTopic(src, !issilicon(user)))
+	if(!user.canUseTopic(src, !hasSiliconAccessInArea(user)))
 		return
 	if(state_open)
 		close_machine()

code/game/machinery/_machinery.dm

@@ -229,7 +229,7 @@ Class Procs:
 	return !(stat & (NOPOWER|BROKEN|MAINT))
 
 /obj/machinery/can_interact(mob/user)
-	var/silicon = issiliconoradminghost(user)
+	var/silicon = hasSiliconAccessInArea(user) || IsAdminGhost(user)
 	if((stat & (NOPOWER|BROKEN)) && !(interaction_flags_machine & INTERACT_MACHINE_OFFLINE))
 		return FALSE
 	if(panel_open && !(interaction_flags_machine & INTERACT_MACHINE_OPEN))

code/game/machinery/announcement_system.dm

@@ -105,7 +105,7 @@ GLOBAL_LIST_EMPTY(announcement_systems)
 
 /obj/machinery/announcement_system/ui_interact(mob/user)
 	. = ..()
-	if(!user.canUseTopic(src, !issilicon(user)))
+	if(!user.canUseTopic(src, !hasSiliconAccessInArea(user)))
 		return
 	if(stat & BROKEN)
 		visible_message("<span class='warning'>[src] buzzes.</span>", "<span class='italics'>You hear a faint buzz.</span>")
@@ -123,7 +123,7 @@ GLOBAL_LIST_EMPTY(announcement_systems)
 /obj/machinery/announcement_system/Topic(href, href_list)
 	if(..())
 		return
-	if(!usr.canUseTopic(src, !issilicon(usr)))
+	if(!usr.canUseTopic(src, !hasSiliconAccessInArea(usr)))
 		return
 	if(stat & BROKEN)
 		visible_message("<span class='warning'>[src] buzzes.</span>", "<span class='italics'>You hear a faint buzz.</span>")
@@ -132,13 +132,13 @@ GLOBAL_LIST_EMPTY(announcement_systems)
 
 	if(href_list["ArrivalTopic"])
 		var/NewMessage = stripped_input(usr, "Enter in the arrivals announcement configuration.", "Arrivals Announcement Config", arrival)
-		if(!usr.canUseTopic(src, !issilicon(usr)))
+		if(!usr.canUseTopic(src, !hasSiliconAccessInArea(usr)))
 			return
 		if(NewMessage)
 			arrival = NewMessage
 	else if(href_list["NewheadTopic"])
 		var/NewMessage = stripped_input(usr, "Enter in the departmental head announcement configuration.", "Head Departmental Announcement Config", newhead)
-		if(!usr.canUseTopic(src, !issilicon(usr)))
+		if(!usr.canUseTopic(src, !hasSiliconAccessInArea(usr)))
 			return
 		if(NewMessage)
 			newhead = NewMessage
@@ -157,7 +157,7 @@ GLOBAL_LIST_EMPTY(announcement_systems)
 	. = attack_ai(user)
 
 /obj/machinery/announcement_system/attack_ai(mob/user)
-	if(!user.canUseTopic(src, !issilicon(user)))
+	if(!user.canUseTopic(src, !hasSiliconAccessInArea(user)))
 		return
 	if(stat & BROKEN)
 		to_chat(user, "<span class='warning'>[src]'s firmware appears to be malfunctioning!</span>")

code/game/machinery/computer/arcade/minesweeper.dm

@@ -304,12 +304,12 @@
 /obj/machinery/computer/arcade/minesweeper/proc/custom_generation(mob/user)
 	playsound(loc, 'sound/arcade/minesweeper_menuselect.ogg', 50, 0, extrarange = -3, falloff = 10)	//Entered into the menu so ping sound
 	var/new_rows = input(user, "How many rows do you want? (Minimum: 4, Maximum: 30)", "Minesweeper Rows") as null|num
-	if(!new_rows || !user.canUseTopic(src, !issilicon(user)))
+	if(!new_rows || !user.canUseTopic(src, !hasSiliconAccessInArea(user)))
 		return FALSE
 	new_rows = CLAMP(new_rows + 1, 4, 30)
 	playsound(loc, 'sound/arcade/minesweeper_menuselect.ogg', 50, 0, extrarange = -3, falloff = 10)
 	var/new_columns = input(user, "How many columns do you want? (Minimum: 4, Maximum: 50)", "Minesweeper Squares") as null|num
-	if(!new_columns || !user.canUseTopic(src, !issilicon(user)))
+	if(!new_columns || !user.canUseTopic(src, !hasSiliconAccessInArea(user)))
 		return FALSE
 	new_columns = CLAMP(new_columns + 1, 4, 50)
 	playsound(loc, 'sound/arcade/minesweeper_menuselect.ogg', 50, 0, extrarange = -3, falloff = 10)
@@ -317,7 +317,7 @@
 	var/lower_limit = round(grid_area*0.156)
 	var/upper_limit = round(grid_area*0.85)
 	var/new_mine_limit = input(user, "How many mines do you want? (Minimum: [lower_limit], Maximum: [upper_limit])", "Minesweeper Mines") as null|num
-	if(!new_mine_limit || !user.canUseTopic(src, !issilicon(user)))
+	if(!new_mine_limit || !user.canUseTopic(src, !hasSiliconAccessInArea(user)))
 		return FALSE
 	playsound(loc, 'sound/arcade/minesweeper_menuselect.ogg', 50, 0, extrarange = -3, falloff = 10)
 	rows = new_rows

code/game/machinery/computer/camera.dm

@@ -36,7 +36,7 @@
 	return ..()
 
 /obj/machinery/computer/security/can_interact(mob/user)
-	if((!issilicon(user) && !Adjacent(user)) || is_blind(user) || !in_view_range(user, src))
+	if((!hasSiliconAccessInArea(user) && !Adjacent(user)) || is_blind(user) || !in_view_range(user, src))
 		return FALSE
 	return ..()
 

code/game/machinery/computer/card.dm

@@ -171,7 +171,7 @@ GLOBAL_VAR_INIT(time_last_changed_position, 0)
 
 /obj/machinery/computer/card/AltClick(mob/user)
 	. = ..()
-	if(!user.canUseTopic(src, !issilicon(user)) || !is_operational())
+	if(!user.canUseTopic(src, !hasSiliconAccessInArea(user)) || !is_operational())
 		return
 	if(inserted_modify_id)
 		if(id_eject(user, inserted_modify_id))
@@ -360,7 +360,7 @@ GLOBAL_VAR_INIT(time_last_changed_position, 0)
 	if(..())
 		return
 
-	if(!usr.canUseTopic(src, !issilicon(usr)) || !is_operational())
+	if(!usr.canUseTopic(src, !hasSiliconAccessInArea(usr)) || !is_operational())
 		usr.unset_machine()
 		usr << browse(null, "window=id_com")
 		return
@@ -392,7 +392,7 @@ GLOBAL_VAR_INIT(time_last_changed_position, 0)
 					inserted_scan_id = id_to_insert
 					updateUsrDialog()
 		if ("auth")
-			if ((!( authenticated ) && (inserted_scan_id || issilicon(usr)) || mode))
+			if ((!( authenticated ) && (inserted_scan_id || hasSiliconAccessInArea(usr)) || mode))
 				if (check_access(inserted_scan_id))
 					region_access = list()
 					head_subordinates = list()
@@ -426,7 +426,7 @@ GLOBAL_VAR_INIT(time_last_changed_position, 0)
 							get_subordinates("Quartermaster")
 						if(region_access)
 							authenticated = 1
-			else if ((!( authenticated ) && issilicon(usr)) && (!inserted_modify_id))
+			else if ((!( authenticated ) && hasSiliconAccessInArea(usr)) && (!inserted_modify_id))
 				to_chat(usr, "<span class='warning'>You can't modify an ID without an ID inserted to modify! Once one is in the modify slot on the computer, you can log in.</span>")
 		if ("logout")
 			region_access = null
@@ -481,7 +481,7 @@ GLOBAL_VAR_INIT(time_last_changed_position, 0)
 		if ("reg")
 			if (authenticated)
 				var/t2 = inserted_modify_id
-				if ((authenticated && inserted_modify_id == t2 && (in_range(src, usr) || issilicon(usr)) && isturf(loc)))
+				if ((authenticated && inserted_modify_id == t2 && (in_range(src, usr) || hasSiliconAccessInArea(usr)) && isturf(loc)))
 					var/newName = reject_bad_name(href_list["reg"])
 					if(newName)
 						inserted_modify_id.registered_name = newName

code/game/machinery/computer/communications.dm

@@ -449,7 +449,7 @@
 	var/datum/browser/popup = new(user, "communications", "Communications Console", 400, 500)
 	popup.set_title_image(user.browse_rsc_icon(icon, icon_state))
 
-	if(issilicon(user))
+	if(issilicon(user) || (hasSiliconAccessInArea(user) && !in_range(user,src)))
 		var/dat2 = interact_ai(user) // give the AI a different interact proc to limit its access
 		if(dat2)
 			dat +=  dat2

code/game/machinery/computer/dna_console.dm

@@ -64,7 +64,7 @@
 	if(!user)
 		return
 	var/datum/browser/popup = new(user, "scannernew", "DNA Modifier Console", 800, 630) // Set up the popup browser window
-	if(!(in_range(src, user) || issilicon(user)))
+	if(!(in_range(src, user) || hasSiliconAccessInArea(user)))
 		popup.close()
 		return
 	popup.add_stylesheet("scannernew", 'html/browser/scannernew.css')
@@ -318,7 +318,7 @@
 		return
 	if(!isturf(usr.loc))
 		return
-	if(!((isturf(loc) && in_range(src, usr)) || issilicon(usr)))
+	if(!((isturf(loc) && in_range(src, usr)) || hasSiliconAccessInArea(usr)))
 		return
 	if(current_screen == "working")
 		return

code/game/machinery/computer/medical.dm

@@ -190,7 +190,7 @@
 	if(!(active2 in GLOB.data_core.medical))
 		active2 = null
 
-	if(usr.contents.Find(src) || (in_range(src, usr) && isturf(loc)) || issilicon(usr) || IsAdminGhost(usr))
+	if(usr.contents.Find(src) || (in_range(src, usr) && isturf(loc)) || hasSiliconAccessInArea(usr) || IsAdminGhost(usr))
 		usr.set_machine(src)
 		if(href_list["temp"])
 			temp = null
@@ -216,7 +216,7 @@
 		else if(href_list["login"])
 			var/mob/M = usr
 			var/obj/item/card/id/I = M.get_idcard(TRUE)
-			if(issilicon(M))
+			if(hasSiliconAccessInArea(M))
 				active1 = null
 				active2 = null
 				authenticated = 1
@@ -569,7 +569,7 @@
 	if(user)
 		if(message)
 			if(authenticated)
-				if(user.canUseTopic(src, !issilicon(user)))
+				if(user.canUseTopic(src, !hasSiliconAccessInArea(user)))
 					if(!record1 || record1 == active1)
 						if(!record2 || record2 == active2)
 							return 1

code/game/machinery/computer/pod.dm

@@ -86,7 +86,7 @@
 /obj/machinery/computer/pod/Topic(href, href_list)
 	if(..())
 		return
-	if(usr.contents.Find(src) || (in_range(src, usr) && isturf(loc)) || issilicon(usr))
+	if(usr.contents.Find(src) || (in_range(src, usr) && isturf(loc)) || hasSiliconAccessInArea(usr))
 		usr.set_machine(src)
 		if(href_list["power"])
 			var/t = text2num(href_list["power"])

code/game/machinery/computer/prisoner/management.dm

@@ -87,7 +87,7 @@
 /obj/machinery/computer/prisoner/management/Topic(href, href_list)
 	if(..())
 		return
-	if(usr.contents.Find(src) || (in_range(src, usr) && isturf(loc)) || issilicon(usr))
+	if(usr.contents.Find(src) || (in_range(src, usr) && isturf(loc)) || hasSiliconAccessInArea(usr))
 		usr.set_machine(src)
 
 		if(href_list["id"])

code/game/machinery/computer/security.dm

@@ -265,7 +265,7 @@ What a mess.*/
 		active1 = null
 	if(!( GLOB.data_core.security.Find(active2) ))
 		active2 = null
-	if(usr.contents.Find(src) || (in_range(src, usr) && isturf(loc)) || issilicon(usr) || IsAdminGhost(usr))
+	if(usr.contents.Find(src) || (in_range(src, usr) && isturf(loc)) || hasSiliconAccessInArea(usr) || IsAdminGhost(usr))
 		usr.set_machine(src)
 		switch(href_list["choice"])
 // SORTING!
@@ -299,7 +299,7 @@ What a mess.*/
 			if("Log In")
 				var/mob/M = usr
 				var/obj/item/card/id/I = M.get_idcard(TRUE)
-				if(issilicon(M))
+				if(hasSiliconAccessInArea(M))
 					var/mob/living/silicon/borg = M
 					active1 = null
 					active2 = null
@@ -802,7 +802,7 @@ What a mess.*/
 /obj/machinery/computer/secure_data/proc/canUseSecurityRecordsConsole(mob/user, message1 = 0, record1, record2)
 	if(user)
 		if(authenticated)
-			if(user.canUseTopic(src, !issilicon(user)))
+			if(user.canUseTopic(src, !hasSiliconAccessInArea(user)))
 				if(!trim(message1))
 					return 0
 				if(!record1 || record1 == active1)

code/game/machinery/computer/teleporter.dm

@@ -140,7 +140,7 @@ obj/machinery/computer/teleporter/ui_interact(mob/user, ui_key = "main", datum/t
 					L[avoid_assoc_duplicate_keys(M.real_name, areaindex)] = M
 
 		var/desc = input("Please select a location to lock in.", "Locking Computer") as null|anything in L
-		if(!user.canUseTopic(src, !issilicon(user), NO_DEXTERY)) //check if we are still around
+		if(!user.canUseTopic(src, !hasSiliconAccessInArea(user), NO_DEXTERY)) //check if we are still around
 			return
 		target = L[desc]
 		if(imp_t)
@@ -168,7 +168,7 @@ obj/machinery/computer/teleporter/ui_interact(mob/user, ui_key = "main", datum/t
 			to_chat(user, "<span class='alert'>No active connected stations located.</span>")
 			return
 		var/desc = input("Please select a station to lock in.", "Locking Computer") as null|anything in L
-		if(!user.canUseTopic(src, !issilicon(user), NO_DEXTERY)) //again, check if we are still around
+		if(!user.canUseTopic(src, !hasSiliconAccessInArea(user), NO_DEXTERY)) //again, check if we are still around
 			return
 		var/obj/machinery/teleport/station/target_station = L[desc]
 		if(!target_station || !target_station.teleporter_hub)

code/game/machinery/dance_machine.dm

@@ -53,7 +53,7 @@
 
 /obj/machinery/jukebox/ui_interact(mob/user)
 	. = ..()
-	if(!user.canUseTopic(src, !issilicon(user)))
+	if(!user.canUseTopic(src, !hasSiliconAccessInArea(user)))
 		return
 	if (!anchored)
 		to_chat(user,"<span class='warning'>This device must be anchored by a wrench!</span>")

code/game/machinery/dish_drive.dm

@@ -98,7 +98,7 @@
 
 /obj/machinery/dish_drive/AltClick(mob/living/user)
 	. = ..()
-	if(user.canUseTopic(src, !issilicon(user)))
+	if(user.canUseTopic(src, !hasSiliconAccessInArea(user)))
 		do_the_dishes(TRUE)
 		return TRUE
 

code/game/machinery/dna_scanner.dm

@@ -172,7 +172,7 @@
 
 /obj/machinery/dna_scannernew/AltClick(mob/user)
 	. = ..()
-	if(!user.canUseTopic(src, !issilicon(user)))
+	if(!user.canUseTopic(src, !hasSiliconAccessInArea(user)))
 		return
 	interact(user)
 	return TRUE

code/game/machinery/doors/airlock.dm

@@ -676,7 +676,7 @@
 		else
 			. += "It looks very robust."
 
-	if(issilicon(user) && (!stat & BROKEN))
+	if(hasSiliconAccessInArea(user) && (!stat & BROKEN))
 		. += "<span class='notice'>Shift-click [src] to [ density ? "open" : "close"] it.</span>"
 		. += "<span class='notice'>Ctrl-click [src] to [ locked ? "raise" : "drop"] its bolts.</span>"
 		. += "<span class='notice'>Alt-click [src] to [ secondsElectrified ? "un-electrify" : "permanently electrify"] it.</span>"
@@ -1322,9 +1322,9 @@
 		if(density && !open(2)) //The airlock is still closed, but something prevented it opening. (Another player noticed and bolted/welded the airlock in time!)
 			to_chat(user, "<span class='warning'>Despite your efforts, [src] managed to resist your attempts to open it!</span>")
 
-/obj/machinery/door/airlock/hostile_lockdown(mob/origin)
+/obj/machinery/door/airlock/hostile_lockdown(mob/origin, aicontrolneeded = TRUE)
 	// Must be powered and have working AI wire.
-	if(canAIControl(src) && !stat)
+	if((aicontrolneeded && canAIControl(src) && !stat) || !aicontrolneeded)
 		locked = FALSE //For airlocks that were bolted open.
 		safe = FALSE //DOOR CRUSH
 		close()
@@ -1334,9 +1334,9 @@
 			LAZYADD(shockedby, "\[[TIME_STAMP("hh:mm:ss", FALSE)]\] [key_name(origin)]")
 
 
-/obj/machinery/door/airlock/disable_lockdown()
+/obj/machinery/door/airlock/disable_lockdown(aicontrolneeded = TRUE)
 	// Must be powered and have working AI wire.
-	if(canAIControl(src) && !stat)
+	if((aicontrolneeded && canAIControl(src) && !stat) || !aicontrolneeded)
 		unbolt()
 		set_electrified(NOT_ELECTRIFIED)
 		open()
@@ -1528,7 +1528,7 @@
 			. = TRUE
 
 /obj/machinery/door/airlock/proc/user_allowed(mob/user)
-	return (issilicon(user) && canAIControl(user)) || IsAdminGhost(user)
+	return (hasSiliconAccessInArea(user) && canAIControl(user)) || IsAdminGhost(user)
 
 /obj/machinery/door/airlock/proc/shock_restore(mob/user)
 	if(!user_allowed(user))

code/game/machinery/newscaster.dm

@@ -514,7 +514,7 @@ GLOBAL_LIST_EMPTY(allCasters)
 	if(active_user && !isobserver(active_user) && get_dist(active_user,src)<=1 && usr!=active_user)
 		to_chat(usr, "<span class='warning'>You must wait for [active_user] to finish and move away.</span>")
 		return
-	if ((usr.contents.Find(src) || ((get_dist(src, usr) <= 1) && isturf(loc))) || issilicon(usr) || isobserver(usr))
+	if ((usr.contents.Find(src) || ((get_dist(src, usr) <= 1) && isturf(loc))) || hasSiliconAccessInArea(usr) || isobserver(usr))
 		usr.set_machine(src)
 		scan_user(usr)
 		if(href_list["set_channel_name"])

code/game/machinery/porta_turret/portable_turret.dm

@@ -865,7 +865,7 @@
 
 /obj/machinery/turretid/examine(mob/user)
 	. = ..()
-	if(issilicon(user) && (!stat & BROKEN))
+	if(hasSiliconAccessInArea(user) && (!stat & BROKEN))
 		. += "<span class='notice'>Ctrl-click [src] to [ enabled ? "disable" : "enable"] turrets.</span>"
 		. += "<span class='notice'>Alt-click [src] to set turrets to [ lethal ? "stun" : "kill"].</span>"
 
@@ -880,7 +880,7 @@
 			to_chat(user, "You link \the [M.buffer] with \the [src]")
 			return
 
-	if (issilicon(user))
+	if (hasSiliconAccessInArea(user))
 		return attack_hand(user)
 
 	if ( get_dist(src, user) == 0 )		// trying to unlock the interface
@@ -921,7 +921,7 @@
 /obj/machinery/turretid/ui_interact(mob/user)
 	. = ..()
 	if ( get_dist(src, user) > 0 )
-		if ( !(issilicon(user) || IsAdminGhost(user)) )
+		if ( !(hasSiliconAccessInArea(user) || IsAdminGhost(user)) )
 			to_chat(user, "<span class='notice'>You are too far away.</span>")
 			user.unset_machine()
 			user << browse(null, "window=turretid")
@@ -929,10 +929,10 @@
 
 	var/t = ""
 
-	if(locked && !(issilicon(user) || IsAdminGhost(user)))
+	if(locked && !(hasSiliconAccessInArea(user) || IsAdminGhost(user)))
 		t += "<div class='notice icon'>Swipe ID card to unlock interface</div>"
 	else
-		if(!issilicon(user) && !IsAdminGhost(user))
+		if(!hasSiliconAccessInArea(user) && !IsAdminGhost(user))
 			t += "<div class='notice icon'>Swipe ID card to lock interface</div>"
 		t += "Turrets [enabled?"activated":"deactivated"] - <A href='?src=[REF(src)];toggleOn=1'>[enabled?"Disable":"Enable"]?</a><br>"
 		t += "Currently set for [lethal?"lethal":"stun repeatedly"] - <A href='?src=[REF(src)];toggleLethal=1'>Change to [lethal?"Stun repeatedly":"Lethal"]?</a><br>"
@@ -946,7 +946,7 @@
 	if(..())
 		return
 	if (locked)
-		if(!(issilicon(usr) || IsAdminGhost(usr)))
+		if(!(hasSiliconAccessInArea(usr) || IsAdminGhost(usr)))
 			to_chat(usr, "Control panel is locked!")
 			return
 	if (href_list["toggleOn"])

code/game/machinery/shieldgen.dm

@@ -124,7 +124,7 @@
 	. = ..()
 	if(.)
 		return
-	if(locked && !issilicon(user))
+	if(locked && !hasSiliconAccessInArea(user))
 		to_chat(user, "<span class='warning'>The machine is locked, you are unable to use it!</span>")
 		return
 	if(panel_open)
@@ -370,7 +370,7 @@
 	if(!anchored)
 		to_chat(user, "<span class='warning'>\The [src] needs to be firmly secured to the floor first!</span>")
 		return
-	if(locked && !issilicon(user))
+	if(locked && !hasSiliconAccessInArea(user))
 		to_chat(user, "<span class='warning'>The controls are locked!</span>")
 		return
 	if(!power)

code/game/machinery/telecomms/computers/logbrowser.dm

@@ -196,7 +196,7 @@
 
 		var/newnet = stripped_input(usr, "Which network do you want to view?", "Comm Monitor", network)
 
-		if(newnet && ((usr in range(1, src)) || issilicon(usr)))
+		if(newnet && ((usr in range(1, src)) || hasSiliconAccessInArea(usr)))
 			if(length(newnet) > 15)
 				temp = "<font color = #D70B00>- FAILED: NETWORK TAG STRING TOO LENGHTLY -</font color>"
 

code/game/machinery/telecomms/computers/message.dm

@@ -260,7 +260,7 @@
 	if(..())
 		return
 
-	if(usr.contents.Find(src) || (in_range(src, usr) && isturf(loc)) || issilicon(usr))
+	if(usr.contents.Find(src) || (in_range(src, usr) && isturf(loc)) || hasSiliconAccessInArea(usr))
 		//Authenticate
 		if (href_list["auth"])
 			if(LINKED_SERVER_NONRESPONSIVE)

code/game/machinery/telecomms/computers/telemonitor.dm

@@ -108,7 +108,7 @@
 	if(href_list["network"])
 
 		var/newnet = stripped_input(usr, "Which network do you want to view?", "Comm Monitor", network)
-		if(newnet && ((usr in range(1, src)) || issilicon(usr)))
+		if(newnet && ((usr in range(1, src)) || hasSiliconAccessInArea(usr)))
 			if(length(newnet) > 15)
 				temp = "<font color = #D70B00>- FAILED: NETWORK TAG STRING TOO LENGHTLY -</font color>"
 

code/game/machinery/telecomms/machine_interactions.dm

@@ -30,7 +30,7 @@
 /obj/machinery/telecomms/ui_interact(mob/user)
 	. = ..()
 	// You need a multitool to use this, or be silicon
-	if(!issilicon(user))
+	if(!hasSiliconAccessInArea(user))
 		// istype returns false if the value is null
 		if(!istype(user.get_active_held_item(), /obj/item/multitool))
 			return
@@ -97,7 +97,7 @@
 
 	var/obj/item/multitool/P = null
 	// Let's double check
-	if(!issilicon(user) && istype(user.get_active_held_item(), /obj/item/multitool))
+	if(!hasSiliconAccessInArea(user) && istype(user.get_active_held_item(), /obj/item/multitool))
 		P = user.get_active_held_item()
 	else if(isAI(user))
 		var/mob/living/silicon/ai/U = user
@@ -162,7 +162,7 @@
 	if(..())
 		return
 
-	if(!issilicon(usr))
+	if(!hasSiliconAccessInArea(usr))
 		if(!istype(usr.get_active_held_item(), /obj/item/multitool))
 			return
 
@@ -270,6 +270,6 @@
 	updateUsrDialog()
 
 /obj/machinery/telecomms/proc/canAccess(mob/user)
-	if(issilicon(user) || in_range(user, src))
+	if(hasSiliconAccessInArea(user) || in_range(user, src))
 		return TRUE
 	return FALSE

code/game/machinery/transformer.dm

@@ -27,7 +27,7 @@
 
 /obj/machinery/transformer/examine(mob/user)
 	. = ..()
-	if(cooldown && (issilicon(user) || isobserver(user)))
+	if(cooldown && (hasSiliconAccessInArea(user) || isobserver(user)))
 		. += "It will be ready in [DisplayTimeText(cooldown_timer - world.time)]."
 
 /obj/machinery/transformer/Destroy()

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

@@ -721,7 +721,7 @@ GLOBAL_LIST_EMPTY(PDAs)
 	return
 
 /obj/item/pda/proc/remove_id(mob/user)
-	if(issilicon(user) || !user.canUseTopic(src, BE_CLOSE, FALSE, NO_TK))
+	if(hasSiliconAccessInArea(user) || !user.canUseTopic(src, BE_CLOSE, FALSE, NO_TK))
 		return
 	do_remove_id(user)
 
@@ -916,7 +916,7 @@ GLOBAL_LIST_EMPTY(PDAs)
 	remove_pen()
 
 /obj/item/pda/proc/toggle_light()
-	if(issilicon(usr) || !usr.canUseTopic(src, BE_CLOSE))
+	if(hasSiliconAccessInArea(usr) || !usr.canUseTopic(src, BE_CLOSE))
 		return
 	if(fon)
 		fon = FALSE
@@ -928,7 +928,7 @@ GLOBAL_LIST_EMPTY(PDAs)
 
 /obj/item/pda/proc/remove_pen()
 
-	if(issilicon(usr) || !usr.canUseTopic(src, BE_CLOSE, FALSE, NO_TK))
+	if(hasSiliconAccessInArea(usr) || !usr.canUseTopic(src, BE_CLOSE, FALSE, NO_TK))
 		return
 
 	if(inserted_item)

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

@@ -609,7 +609,7 @@ Code:
 /obj/item/cartridge/Topic(href, href_list)
 	..()
 
-	if(!usr.canUseTopic(src, !issilicon(usr)))
+	if(!usr.canUseTopic(src, !hasSiliconAccessInArea(usr)))
 		usr.unset_machine()
 		usr << browse(null, "window=pda")
 		return

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

@@ -0,0 +1,121 @@
+#define HIJACK_APC_MAX_AMOUNT 5
+
+/obj/item/implant/hijack
+	name = "hijack implant"
+	desc = "Allows you to control the machinery in a room by hacking into the APC."
+	actions_types = list(/datum/action/item_action/hands_free/activate, /datum/action/item_action/removeAPCs, /datum/action/item_action/accessAPCs, /datum/action/item_action/stealthmodetoggle)
+	activated = 1
+	var/toggled = FALSE
+	icon_state = "hijack"
+	var/eye_color
+	var/stealthmode = FALSE
+	var/stealthcooldown = 0
+	var/hijacking = FALSE
+
+/obj/item/implant/hijack/activate()
+	. = ..()
+	toggled = !toggled
+	imp_in.click_intercept = toggled ? src : null
+	imp_in.siliconaccesstoggle = toggled ? TRUE : FALSE
+	to_chat(imp_in,"<span class='notice'>You turn [toggled ? "on" : "off"] [src]'s silicon interactions.</span>")
+	toggle_eyes()
+
+/obj/item/implant/hijack/proc/toggle_eyes()
+	if (!ishuman(imp_in))
+		return
+	var/on = toggled && !stealthmode
+	var/mob/living/carbon/human/H = imp_in
+	H.eye_color = on ? "ff0" : eye_color
+	H.dna.update_ui_block(DNA_EYE_COLOR_BLOCK)
+	H.update_body()
+
+/obj/item/implant/hijack/implant(mob/living/target, mob/user, silent = FALSE)
+	if(..())
+		ADD_TRAIT(target, TRAIT_HIJACKER, "implant")
+		if (ishuman(target))
+			var/mob/living/carbon/human/H = target
+			eye_color = H.eye_color
+		return TRUE
+
+/obj/item/implant/hijack/removed(mob/target, silent = FALSE, special = 0)
+	if(..())
+		REMOVE_TRAIT(target, TRAIT_HIJACKER, "implant")
+		for (var/area/area in imp_in.siliconaccessareas)
+			imp_in.toggleSiliconAccessArea(area)
+			var/obj/machinery/power/apc/apc = area.get_apc()
+			if (apc)
+				apc.hijacker = null
+				apc.set_hijacked_lighting()
+				apc.update_icon()
+		if (ishuman(target))
+			var/mob/living/carbon/human/H = target
+			H.eye_color = eye_color
+		return TRUE
+
+/obj/item/implant/hijack/proc/InterceptClickOn(mob/living/user,params,atom/object)
+	if (isitem(object) || !toggled || user.incapacitated())
+		return
+	if (stealthmode == FALSE && istype(object,/obj/machinery/power/apc) && !user.CanReach(object))
+		if (hijack_remotely(object))
+			return
+	if (stealthmode && !user.CanReach(object))
+		return
+	if (!object.hasSiliconAccessInArea(imp_in))
+		return
+	var/list/modifiers = params2list(params)
+	imp_in.face_atom(object)
+	if (modifiers["shift"] && modifiers["ctrl"])
+		object.AICtrlShiftClick(imp_in)
+		return TRUE
+	if (modifiers["shift"])
+		object.AIShiftClick(imp_in)
+		return TRUE
+	if (modifiers["ctrl"])
+		object.AICtrlClick(imp_in)
+		return TRUE
+	if (modifiers["alt"])
+		object.AIAltClick(imp_in)
+		return TRUE
+	if (user.get_active_held_item())
+		return
+	if (user.CanReach(object))
+		object.attack_robot(imp_in)
+	else
+		object.attack_ai(imp_in)
+	return TRUE
+
+/obj/item/implant/hijack/proc/hijack_remotely(obj/machinery/power/apc/apc)
+	if (apc.hijacker || hijacking)
+		return FALSE //can't remotely hijack an already hijacked APC
+	hijacking = TRUE
+	to_chat(imp_in, "<span class='notice'>Establishing remote connection with APC.</span>")
+	if (!do_after(imp_in, 4 SECONDS,target=apc))
+		to_chat(imp_in, "<span class='warning'>Aborting.</span>")
+		hijacking = FALSE
+		return TRUE
+	if (LAZYLEN(imp_in.siliconaccessareas) >= HIJACK_APC_MAX_AMOUNT)
+		to_chat(src,"<span class='warning'>You are connected to too many APCs! Too many more will fry your brain.</span>")
+		hijacking = FALSE
+		return TRUE
+	imp_in.light_power = 2
+	imp_in.light_range = 2
+	imp_in.light_color = COLOR_YELLOW
+	imp_in.update_light()
+	imp_in.visible_message("<span class='warning'>[imp_in] starts glowing a with a hollow yellow light!</span>")
+	to_chat(imp_in, "<span class='notice'>Beginning hijack of APC.</span>")
+	if (do_after(imp_in, 21 SECONDS,target=apc))
+		apc.hijacker = imp_in
+		stealthmode = FALSE
+		apc.set_hijacked_lighting()
+		imp_in.toggleSiliconAccessArea(apc.area)
+		apc.update_icon()
+		stealthcooldown = world.time + 1 MINUTES + 30 SECONDS
+		toggle_eyes()
+	else
+		to_chat(imp_in, "<span class='warning'>Aborting.</span>")
+	hijacking = FALSE
+	imp_in.light_power = 0
+	imp_in.light_range = 0
+	imp_in.light_color = COLOR_YELLOW
+	imp_in.update_light()
+	return TRUE

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

@@ -74,4 +74,8 @@
 
 /obj/item/implanter/stealth
 	name = "implanter (stealth)"
-	imp_type = /obj/item/implant/stealth
+	imp_type = /obj/item/implant/stealth
+
+/obj/item/implanter/hijack
+	name = "implanter (hijack)"
+	imp_type = /obj/item/implant/hijack

code/game/objects/objs.dm

@@ -125,7 +125,7 @@
 			if ((M.client && M.machine == src))
 				is_in_use = TRUE
 				ui_interact(M)
-		if(isAI(usr) || iscyborg(usr) || IsAdminGhost(usr))
+		if(isAI(usr) || iscyborg(usr) || IsAdminGhost(usr) || hasSiliconAccessInArea(usr))
 			if (!(usr in nearby))
 				if (usr.client && usr.machine==src) // && M.machine == src is omitted because if we triggered this by using the dialog, it doesn't matter if our machine changed in between triggering it and this - the dialog is probably still supposed to refresh.
 					is_in_use = TRUE

code/game/objects/structures/morgue.dm

@@ -168,7 +168,7 @@ GLOBAL_LIST_EMPTY(bodycontainers) //Let them act as spawnpoints for revenants an
 
 /obj/structure/bodycontainer/morgue/AltClick(mob/user)
 	. = ..()
-	if(!user.canUseTopic(src, !issilicon(user)))
+	if(!user.canUseTopic(src, !hasSiliconAccessInArea(user)))
 		return
 	beeper = !beeper
 	to_chat(user, "<span class='notice'>You turn the speaker function [beeper ? "on" : "off"].</span>")