start of stealthmode

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

@@ -8,6 +8,8 @@
 	var/toggled = FALSE
 	icon_state = "hijack"
 	var/eye_color
+	var/stealthmode = FALSE
+	var/stealthcooldown = 0
 
 /obj/item/implant/hijack/activate()
 	. = ..()
@@ -16,20 +18,26 @@
 		imp_in.click_intercept = src
 		imp_in.siliconaccesstoggle = TRUE
 		to_chat(imp_in,"<span class='notice'>You turn on [src]'s silicon interactions.</span>")
-		if (ishuman(imp_in))
-			var/mob/living/carbon/human/H = imp_in
-			H.eye_color = "ff0"
-			H.dna.update_ui_block(DNA_EYE_COLOR_BLOCK)
-			H.update_body()
+		if (ishuman(imp_in) && !stealthmode)
+			toggle_eyes(TRUE)
 	else
 		imp_in.click_intercept = null
 		imp_in.siliconaccesstoggle = FALSE
 		to_chat(imp_in,"<span class='notice'>You turn off [src]'s silicon interactions.</span>")
-		if (ishuman(imp_in))
-			var/mob/living/carbon/human/H = imp_in
-			H.eye_color = eye_color
-			H.dna.update_ui_block(DNA_EYE_COLOR_BLOCK)
-			H.update_body()
+		if (ishuman(imp_in) && !stealthmode)
+			toggle_eyes(FALSE)
+
+/obj/item/implant/hijack/proc/toggle_eyes(on)
+	if (!on)
+		var/mob/living/carbon/human/H = imp_in
+		H.eye_color = eye_color
+		H.dna.update_ui_block(DNA_EYE_COLOR_BLOCK)
+		H.update_body()
+	else
+		var/mob/living/carbon/human/H = imp_in
+		H.eye_color = "ff0"
+		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(..())
@@ -50,6 +58,8 @@
 /obj/item/implant/hijack/proc/InterceptClickOn(mob/living/user,params,atom/object)
 	if (user.get_active_held_item() || isitem(object) || !toggled || user.incapacitated())
 		return
+	if (stealthmode == FALSE && istype(object,/obj/machinery/power/apc))
+		hijack_remotely()
 	var/area/a = get_area(object)
 	if (!hasSiliconAccessInArea(imp_in,a))
 		return
@@ -69,3 +79,14 @@
 		return TRUE
 	object.attack_ai(imp_in)
 	return TRUE
+
+/obj/item/implant/hijack/proc/hijack_remotely(/obj/machinery/power/apc/apc)
+	if (apc.hijacker)
+		return //can't remotely hijack an already hijacked APC
+	if (do_after(imp_in,25 SECONDS,target=apc))
+		apc.hijacker = imp_in
+		imp_in.toggleSiliconAccessArea(apc.area)
+		apc.update_icon()
+		cooldown = world.time + 2 MINUTES
+		toggle_eyes(TRUE)
+		stealthmode = FALSE