other comms stuff

code/game/machinery/telecomms/presets.dm

@@ -209,6 +209,8 @@ GLOBAL_LIST_EMPTY(all_static_telecomms_towers)
 	freq_listening = list(COLONY_FREQ)
 	var/toggle_cooldown = 0
 
+	///if xenos can bypass XENO_COMM_ACQUISITION_TIME to corrupt the tower
+	var/bypass_round_time_requirements = FALSE
 	/// Tower has been taken over by xenos, is not usable
 	var/corrupted = FALSE
 
@@ -318,50 +320,55 @@ GLOBAL_LIST_EMPTY(all_static_telecomms_towers)
 	if(!weeded_turf.weeds.parent)
 		return
 
-	if(!istype(weeded_turf.weeds.parent, /obj/effect/alien/weeds/node/pylon/cluster))
+	if(istypestrict(weeded_turf.weeds.parent, /obj/effect/alien/weeds/node/pylon/core) || !istype(weeded_turf.weeds.parent, /obj/effect/alien/weeds/node/pylon))
 		return
 
 	if(SSticker.mode.is_in_endgame)
 		return
 
-	if(ROUND_TIME < XENO_COMM_ACQUISITION_TIME)
-		addtimer(CALLBACK(src, PROC_REF(handle_xeno_acquisition), weeded_turf), (XENO_COMM_ACQUISITION_TIME - ROUND_TIME))
-		return
+	if(!bypass_round_time_requirements)
+		if(ROUND_TIME < XENO_COMM_ACQUISITION_TIME)
+			addtimer(CALLBACK(src, PROC_REF(handle_xeno_acquisition), weeded_turf), (XENO_COMM_ACQUISITION_TIME - ROUND_TIME))
+			return
 
 	if(!COOLDOWN_FINISHED(src, corruption_delay))
 		addtimer(CALLBACK(src, PROC_REF(handle_xeno_acquisition), weeded_turf), (COOLDOWN_TIMELEFT(src, corruption_delay)))
 		return
 
-	var/obj/effect/alien/weeds/node/pylon/cluster/parent_node = weeded_turf.weeds.parent
+	var/obj/effect/alien/weeds/node/pylon/parent_node = weeded_turf.weeds.parent
 
-	var/obj/effect/alien/resin/special/cluster/cluster_parent = parent_node.resin_parent
+	var/obj/effect/alien/resin/special/pylon_node_parent = parent_node.resin_parent
 
 	var/list/held_children_weeds = parent_node.children
-	var/cluster_loc = cluster_parent.loc
-	var/linked_hive = cluster_parent.linked_hive
+	var/cluster_loc = pylon_node_parent.loc
+	var/linked_hive = pylon_node_parent.linked_hive
 
 	parent_node.children = list()
 
-	qdel(cluster_parent)
-
-	var/obj/effect/alien/resin/special/pylon/endgame/new_pylon = new(cluster_loc, linked_hive)
-	new_pylon.node.children = held_children_weeds
+	var/obj/effect/alien/resin/special/pylon/endgame/pylon
+	if(istypestrict(parent_node.resin_parent, /obj/effect/alien/resin/special/pylon/endgame)) //if its already a pylon, just add the new tower
+		pylon = parent_node.resin_parent
+	else
+		qdel(pylon_node_parent)
+		pylon = new(cluster_loc, linked_hive)
+		pylon.node.children = held_children_weeds
 
-	for(var/obj/effect/alien/weeds/weed in new_pylon.node.children)
-		weed.parent = new_pylon.node
+	for(var/obj/effect/alien/weeds/weed in pylon.node.children)
+		weed.parent = pylon.node
 		weed.spread_on_semiweedable = TRUE
 		weed.weed_expand()
 
-	RegisterSignal(new_pylon, COMSIG_PARENT_QDELETING, PROC_REF(uncorrupt))
+	RegisterSignal(pylon, COMSIG_PARENT_QDELETING, PROC_REF(uncorrupt))
 
 	corrupted = TRUE
+	pylon.connected_towers += src
 
 	corruption_image = image(icon, icon_state = "resin_growing")
 
 	flick_overlay(src, corruption_image, (2 SECONDS))
 	addtimer(CALLBACK(src, PROC_REF(switch_to_idle_corruption)), (2 SECONDS))
 
-	new_pylon.comms_relay_connection()
+	pylon.comms_relay_connection(src)
 
 /// Handles removing corruption effects from the comms relay
 /obj/structure/machinery/telecomms/relay/preset/tower/mapcomms/proc/uncorrupt(datum/deleting_datum)

code/modules/cm_aliens/structures/special/pylon_core.dm

@@ -139,6 +139,7 @@
 
 /obj/effect/alien/resin/special/pylon/endgame
 	cover_range = WEED_RANGE_CORE
+	var/list/connected_towers = list()
 	var/activated = FALSE
 
 /obj/effect/alien/resin/special/pylon/endgame/Destroy()
@@ -148,33 +149,36 @@
 		if(hijack_delete)
 			return ..()
 
-		marine_announcement("ALERT.\n\nEnergy build up around communication relay at [get_area(src)] halted.", "[MAIN_AI_SYSTEM] Biological Scanner")
+		for(var/tower in connected_towers)
+			marine_announcement("ALERT.\n\nEnergy build up around communication relay at [get_area(tower)] halted.", "[MAIN_AI_SYSTEM] Biological Scanner")
 
-		for(var/hivenumber in GLOB.hive_datum)
-			var/datum/hive_status/checked_hive = GLOB.hive_datum[hivenumber]
-			if(!length(checked_hive.totalXenos))
-				continue
+			for(var/hivenumber in GLOB.hive_datum)
+				var/datum/hive_status/checked_hive = GLOB.hive_datum[hivenumber]
+				if(!length(checked_hive.totalXenos))
+					continue
 
-			if(checked_hive == linked_hive)
-				xeno_announcement(SPAN_XENOANNOUNCE("We have lost our control of the tall's communication relay at [get_area(src)]."), hivenumber, XENO_GENERAL_ANNOUNCE)
-			else
-				xeno_announcement(SPAN_XENOANNOUNCE("Another hive has lost control of the tall's communication relay at [get_area(src)]."), hivenumber, XENO_GENERAL_ANNOUNCE)
+				if(checked_hive == linked_hive)
+					xeno_announcement(SPAN_XENOANNOUNCE("We have lost our control of the tall's communication relay at [get_area(tower)]."), hivenumber, XENO_GENERAL_ANNOUNCE)
+				else
+					xeno_announcement(SPAN_XENOANNOUNCE("Another hive has lost control of the tall's communication relay at [get_area(tower)]."), hivenumber, XENO_GENERAL_ANNOUNCE)
+
+			connected_towers -= tower
 
 	return ..()
 
 /// Checks if all comms towers are connected and then starts end game content on all pylons if they are
-/obj/effect/alien/resin/special/pylon/endgame/proc/comms_relay_connection()
-	marine_announcement("ALERT.\n\nIrregular build up of energy around communication relays at [get_area(src)], biological hazard detected.\n\nDANGER: Hazard is generating new xenomorph entities, advise urgent termination of hazard by ground forces.", "[MAIN_AI_SYSTEM] Biological Scanner")
+/obj/effect/alien/resin/special/pylon/endgame/proc/comms_relay_connection(corrupted_tower)
+	marine_announcement("ALERT.\n\nIrregular build up of energy around communication relays at [get_area(corrupted_tower)], biological hazard detected.\n\nDANGER: Hazard is generating new xenomorph entities, advise urgent termination of hazard by ground forces.", "[MAIN_AI_SYSTEM] Biological Scanner")
 
 	for(var/hivenumber in GLOB.hive_datum)
 		var/datum/hive_status/checked_hive = GLOB.hive_datum[hivenumber]
 		if(!length(checked_hive.totalXenos))
 			continue
 
 		if(checked_hive == linked_hive)
-			xeno_announcement(SPAN_XENOANNOUNCE("We have harnessed the tall's communication relay at [get_area(src)].\n\nWe will now grow more of our number from this pylon. Hold it!"), hivenumber, XENO_GENERAL_ANNOUNCE)
+			xeno_announcement(SPAN_XENOANNOUNCE("We have harnessed the tall's communication relay at [get_area(corrupted_tower)].\n\nWe will now grow more of our number from this pylon. Hold it!"), hivenumber, XENO_GENERAL_ANNOUNCE)
 		else
-			xeno_announcement(SPAN_XENOANNOUNCE("Another hive has harnessed the tall's communication relay at [get_area(src)].[linked_hive.faction_is_ally(checked_hive.name) ? "" : " Stop them!"]"), hivenumber, XENO_GENERAL_ANNOUNCE)
+			xeno_announcement(SPAN_XENOANNOUNCE("Another hive has harnessed the tall's communication relay at [get_area(corrupted_tower)].[linked_hive.faction_is_ally(checked_hive.name) ? "" : " Stop them!"]"), hivenumber, XENO_GENERAL_ANNOUNCE)
 
 	activated = TRUE
 	addtimer(CALLBACK(src, PROC_REF(give_larva)), XENO_PYLON_ACTIVATION_COOLDOWN, TIMER_UNIQUE|TIMER_OVERRIDE|TIMER_LOOP|TIMER_DELETE_ME)

maps/map_files/Ice_Colony_v1/Ice_Colony_v1.dmm

@@ -3208,7 +3208,7 @@
 	},
 /area/ice_colony/surface/clinic/storage)
 "eno" = (
-/turf/closed/wall/r_wall/unmeltable,
+/turf/closed/wall/r_wall,
 /area/ice_colony/exterior/surface/valley/southeast/apc_support)
 "eob" = (
 /turf/open/floor/plating/icefloor{
@@ -8081,7 +8081,7 @@
 	},
 /area/ice_colony/underground/research/work)
 "ldy" = (
-/turf/closed/wall/r_wall/unmeltable,
+/turf/closed/wall/r_wall,
 /area/ice_colony/exterior/surface/valley/northeast/apc_support)
 "lev" = (
 /obj/structure/machinery/vending/coffee,