Merge pull request #6553 from Citadel-Station-13/upstream-merge-37165

[MIRROR] NTNet improvements!

code/datums/components/ntnet_interface.dm

@@ -2,6 +2,9 @@
 /datum/proc/ntnet_recieve(datum/netdata/data)
 	return
 
+/datum/proc/ntnet_recieve_broadcast(datum/netdata/data)
+	return
+
 /datum/proc/ntnet_send(datum/netdata/data, netid)
 	GET_COMPONENT(NIC, /datum/component/ntnet_interface)
 	if(!NIC)
@@ -9,14 +12,17 @@
 	return NIC.__network_send(data, netid)
 
 /datum/component/ntnet_interface
-	var/hardware_id			//text
+	var/hardware_id			//text. this is the true ID. do not change this. stuff like ID forgery can be done manually.
 	var/network_name = ""			//text
 	var/list/networks_connected_by_id = list()		//id = datum/ntnet
+	var/differentiate_broadcast = TRUE				//If false, broadcasts go to ntnet_recieve. NOT RECOMMENDED.
 
 /datum/component/ntnet_interface/Initialize(force_name = "NTNet Device", autoconnect_station_network = TRUE)			//Don't force ID unless you know what you're doing!
 	hardware_id = "[SSnetworks.get_next_HID()]"
 	network_name = force_name
-	SSnetworks.register_interface(src)
+	if(!SSnetworks.register_interface(src))
+		. = COMPONENT_INCOMPATIBLE
+		CRASH("Unable to register NTNet interface. Interface deleted.")
 	if(autoconnect_station_network)
 		register_connection(SSnetworks.station_network)
 
@@ -27,7 +33,10 @@
 
 /datum/component/ntnet_interface/proc/__network_recieve(datum/netdata/data)			//Do not directly proccall!
 	parent.SendSignal(COMSIG_COMPONENT_NTNET_RECIEVE, data)
-	parent.ntnet_recieve(data)
+	if(differentiate_broadcast && data.broadcast)
+		parent.ntnet_recieve_broadcast(data)
+	else
+		parent.ntnet_recieve(data)
 
 /datum/component/ntnet_interface/proc/__network_send(datum/netdata/data, netid)			//Do not directly proccall!
 	// Process data before sending it