Fixes camera network changes not always being reflected in camera consoles.

Cameras with altered networks would not necessarily show up on camera consoles, primarily affecting cameras joining/leaving alarm zones.

code/game/machinery/camera/camera.dm

@@ -349,6 +349,51 @@
 	user.set_machine(src)
 	wires.Interact(user)
 
+/obj/machinery/camera/proc/add_network(var/network_name)
+	add_networks(list(network_name))
+
+/obj/machinery/camera/proc/remove_network(var/network_name)
+	remove_networks(list(network_name))
+
+/obj/machinery/camera/proc/add_networks(var/list/networks)
+	var/network_added
+	network_added = 0
+	for(var/network_name in networks)
+		if(!(network_name in src.network))
+			network += network_name
+			network_added = 1
+
+	if(network_added)
+		invalidateCameraCache()
+
+/obj/machinery/camera/proc/remove_networks(var/list/networks)
+	var/network_removed
+	network_removed = 0
+	for(var/network_name in networks)
+		if(network_name in src.network)
+			network -= network_name
+			network_removed = 1
+
+	if(network_removed)
+		invalidateCameraCache()
+
+/obj/machinery/camera/proc/replace_networks(var/list/networks)
+	if(networks.len != network.len)
+		network = networks
+		invalidateCameraCache()
+		return
+
+	for(var/new_network in networks)
+		if(!(new_network in network))
+			network = networks
+			invalidateCameraCache()
+			return
+
+/obj/machinery/camera/proc/clear_all_networks()
+	if(network.len)
+		network.Cut()
+		invalidateCameraCache()
+
 /obj/machinery/camera/proc/nano_structure()
 	var/cam[0]
 	cam["name"] = sanitize(c_tag)

code/game/machinery/camera/camera_assembly.dm

@@ -99,7 +99,7 @@
 
 				C.auto_turn()
 
-				C.network = uniquelist(tempnetwork)
+				C.replace_networks(uniquelist(tempnetwork))
 				tempnetwork = difflist(C.network,restricted_camera_networks)
 				if(!tempnetwork.len)//Camera isn't on any open network - remove its chunk from AI visibility.
 					cameranet.removeCamera(C)

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

@@ -37,7 +37,7 @@
 		R.icon_state = "[R.ckey]-Standard"
 	del(R.module)
 	R.module = null
-	R.camera.network.Remove(list("Engineering","Medical","MINE"))
+	R.camera.remove_networks(list("Engineering","Medical","MINE"))
 	R.updatename("Default")
 	R.status_flags |= CANPUSH
 	R.updateicon()

code/modules/alarm/alarm_handler.dm

@@ -64,10 +64,9 @@
 /datum/alarm_handler/proc/on_alarm_change(var/datum/alarm/alarm, var/was_raised)
 	for(var/obj/machinery/camera/C in alarm.cameras())
 		if(was_raised)
-			C.network.Add(category)
-			invalidateCameraCache()
+			C.add_network(category)
 		else
-			C.network.Remove(category)
+			C.remove_network(category)
 	notify_listeners(alarm, was_raised)
 
 /datum/alarm_handler/proc/get_alarm_severity_for_origin(var/atom/origin)

code/modules/clothing/spacesuits/spacesuits.dm

@@ -32,7 +32,7 @@
 			icon_action_button = "[icon_state]"
 
 		camera = new /obj/machinery/camera(src)
-		camera.network = camera_networks
+		camera.replace_networks(camera_networks)
 		cameranet.removeCamera(camera)
 		camera.c_tag = user.name
 		user << "\blue User scanned as [camera.c_tag]. Camera activated."

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

@@ -31,7 +31,7 @@
 	add_language("Drone Talk", 1)
 
 	if(camera && "Robots" in camera.network)
-		camera.network.Add("Engineering")
+		camera.add_network("Engineering")
 
 	//They are unable to be upgraded, so let's give them a bit of a better battery.
 	cell.maxcharge = 10000

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

@@ -125,7 +125,7 @@ var/list/robot_verbs_default = list(
 	if(!scrambledcodes && !camera)
 		camera = new /obj/machinery/camera(src)
 		camera.c_tag = real_name
-		camera.network = list("SS13","Robots")
+		camera.replace_networks(list("SS13","Robots"))
 		if(wires.IsIndexCut(BORG_WIRE_CAMERA))
 			camera.status = 0
 
@@ -275,7 +275,7 @@ var/list/robot_verbs_default = list(
 			module = new /obj/item/weapon/robot_module/miner(src)
 			module.channels = list("Supply" = 1)
 			if(camera && "Robots" in camera.network)
-				camera.network.Add("MINE")
+				camera.add_network("MINE")
 			module_sprites["Basic"] = "Miner_old"
 			module_sprites["Advanced Droid"] = "droid-miner"
 			module_sprites["Treadhead"] = "Miner"
@@ -285,7 +285,7 @@ var/list/robot_verbs_default = list(
 			module = new /obj/item/weapon/robot_module/crisis(src)
 			module.channels = list("Medical" = 1)
 			if(camera && "Robots" in camera.network)
-				camera.network.Add("Medical")
+				camera.add_network("Medical")
 			module_sprites["Basic"] = "Medbot"
 			module_sprites["Standard"] = "surgeon"
 			module_sprites["Advanced Droid"] = "droid-medical"
@@ -296,7 +296,7 @@ var/list/robot_verbs_default = list(
 			module = new /obj/item/weapon/robot_module/surgeon(src)
 			module.channels = list("Medical" = 1)
 			if(camera && "Robots" in camera.network)
-				camera.network.Add("Medical")
+				camera.add_network("Medical")
 
 			module_sprites["Basic"] = "Medbot"
 			module_sprites["Standard"] = "surgeon"
@@ -318,7 +318,7 @@ var/list/robot_verbs_default = list(
 			module = new /obj/item/weapon/robot_module/engineering(src)
 			module.channels = list("Engineering" = 1)
 			if(camera && "Robots" in camera.network)
-				camera.network.Add("Engineering")
+				camera.add_network("Engineering")
 			module_sprites["Basic"] = "Engineering"
 			module_sprites["Antique"] = "engineerrobot"
 			module_sprites["Landmate"] = "landmate"
@@ -329,7 +329,7 @@ var/list/robot_verbs_default = list(
 			module = new /obj/item/weapon/robot_module/construction(src)
 			module.channels = list("Engineering" = 1)
 			if(camera && "Robots" in camera.network)
-				camera.network.Add("Engineering")
+				camera.add_network("Engineering")
 			module_sprites["Basic"] = "Engineering"
 			module_sprites["Antique"] = "engineerrobot"
 			module_sprites["Landmate"] = "landmate"
@@ -1142,7 +1142,7 @@ var/list/robot_verbs_default = list(
 	scrambledcodes = 1
 	//Disconnect it's camera so it's not so easily tracked.
 	if(src.camera)
-		src.camera.network = list()
+		src.camera.clear_all_networks()
 		cameranet.removeCamera(src.camera)
 
 

code/modules/mob/living/simple_animal/friendly/spiderbot.dm

@@ -194,7 +194,7 @@
 	radio = new /obj/item/device/radio/borg(src)
 	camera = new /obj/machinery/camera(src)
 	camera.c_tag = "Spiderbot-[real_name]"
-	camera.network = list("SS13")
+	camera.replace_networks(list("SS13"))
 
 	..()