Mechs now can be connected to atmos ports (#30551)

* Mechs now can be connected to atmos ports

* Using internal_tank instead of dead code.

* Apply Cyberboss's advises

Corrected stupid typos

* Broke connection if external powers move mech

Remove forgotten comment

* get_turf(src)

code/game/mecha/mecha.dm

@@ -451,6 +451,9 @@
 	. = ..()
 	if(.)
 		events.fireEvent("onMove",get_turf(src))
+	if (internal_tank.disconnect()) // Something moved us and broke connection
+		occupant_message("<span class='warning'>Air port connection teared off!</span>")
+		log_message("Lost connection to gas port.")
 
 /obj/mecha/Process_Spacemove(var/movement_dir = 0)
 	. = ..()
@@ -474,7 +477,7 @@
 		user.forceMove(get_turf(src))
 		to_chat(user, "<span class='notice'>You climb out from [src].</span>")
 		return 0
-	if(connected_port)
+	if(internal_tank.connected_port)
 		if(world.time - last_message > 20)
 			occupant_message("<span class='warning'>Unable to move while connected to the air system port!</span>")
 			last_message = world.time
@@ -763,40 +766,12 @@
 		. = t_air.return_pressure()
 	return
 
-
 /obj/mecha/proc/return_temperature()
 	var/datum/gas_mixture/t_air = return_air()
 	if(t_air)
 		. = t_air.return_temperature()
 	return
 
-/obj/mecha/proc/connect(obj/machinery/atmospherics/components/unary/portables_connector/new_port)
-	//Make sure not already connected to something else
-	if(connected_port || !new_port || new_port.connected_device)
-		return 0
-
-	//Make sure are close enough for a valid connection
-	if(new_port.loc != loc)
-		return 0
-
-	//Perform the connection
-	connected_port = new_port
-	connected_port.connected_device = src
-	var/datum/pipeline/connected_port_parent = connected_port.PARENT1
-	connected_port_parent.reconcile_air()
-
-	log_message("Connected to gas port.")
-	return 1
-
-/obj/mecha/proc/disconnect()
-	if(!connected_port)
-		return 0
-
-	connected_port.connected_device = null
-	connected_port = null
-	log_message("Disconnected from gas port.")
-	return 1
-
 /obj/mecha/portableConnectorReturnAir()
 	return internal_tank.return_air()
 

code/game/mecha/mecha_topic.dm

@@ -115,6 +115,7 @@
 						<div class='links'>
 						<a href='?src=\ref[src];toggle_id_upload=1'><span id='t_id_upload'>[add_req_access?"L":"Unl"]ock ID upload panel</span></a><br>
 						<a href='?src=\ref[src];toggle_maint_access=1'><span id='t_maint_access'>[maint_access?"Forbid":"Permit"] maintenance protocols</span></a><br>
+						<a href='?src=\ref[src];toggle_port_connection=1'><span id='t_port_connection'>[internal_tank.connected_port?"Disconnect from":"Connect to"] gas port</span></a><br>
 						<a href='?src=\ref[src];dna_lock=1'>DNA-lock</a><br>
 						<a href='?src=\ref[src];view_log=1'>View internal log</a><br>
 						<a href='?src=\ref[src];change_name=1'>Change exosuit name</a><br>
@@ -306,6 +307,24 @@
 		maint_access = !maint_access
 		send_byjax(src.occupant,"exosuit.browser","t_maint_access","[maint_access?"Forbid":"Permit"] maintenance protocols")
 
+	if (href_list["toggle_port_connection"])
+		if(internal_tank.connected_port)
+			if(internal_tank.disconnect())
+				occupant_message("Disconnected from the air system port.")
+				log_message("Disconnected from gas port.")
+			else
+				occupant_message("<span class='warning'>Unable to disconnect from the air system port!</span>")
+				return
+		else
+			var/obj/machinery/atmospherics/components/unary/portables_connector/possible_port = locate() in loc
+			if(internal_tank.connect(possible_port))
+				occupant_message("Connected to the air system port.")
+				log_message("Connected to gas port.")
+			else
+				occupant_message("<span class='warning'>Unable to connect with air system port!</span>")
+				return
+		send_byjax(occupant,"exosuit.browser","t_port_connection","[internal_tank.connected_port?"Disconnect from":"Connect to"] gas port")
+
 	if(href_list["dna_lock"])
 		if(occupant && !iscarbon(occupant))
 			to_chat(occupant, "<span class='danger'> You do not have any DNA!</span>")

code/modules/atmospherics/machinery/portable/portable_atmospherics.dm

@@ -48,7 +48,7 @@
 		return 0
 
 	//Make sure are close enough for a valid connection
-	if(new_port.loc != loc)
+	if(new_port.loc != get_turf(src))
 		return 0
 
 	//Perform the connection