TMDU: Mass Driver Overhaul

This commit overhauls mass drivers.
Every component of mass drivers are now buildable.
This means:
 - Mass Drivers
 - Mass Driver Control Computers
 - Mass Driver Buttons
Mass driver control computers now support multiple mass drivers.
You can link mass-drivers to buttons via multitool.
Buttons have a range of 7 for their mass driver link.
Computers have infinite range.

code/modules/power/turbine.dm

@@ -218,7 +218,7 @@
 				compressor = C
 		doors = new /list()
 		for(var/obj/machinery/door/poddoor/P in machines)
-			if(P.id == id)
+			if(P.id_tag == id)
 				doors += P
 
 /*

code/modules/research/designs/machine_designs.dm

@@ -320,4 +320,14 @@
 	build_type = IMPRINTER
 	materials = list("$glass" = 1000, "sacid" = 20)
 	build_path = /obj/item/weapon/circuitboard/vendor
+	category = list("Misc. Machinery")
+
+/datum/design/pod
+	name = "Machine Board (Mass Driver and Pod Doors Control)"
+	desc = "Allows for the construction of circuit boards used to build a Mass Driver and Pod Doors Control."
+	id = "pod"
+	req_tech = list("programming" = 2,"engineering" = 4)
+	build_type = IMPRINTER
+	materials = list("$glass" = 2000, "sacid" = 20)
+	build_path = /obj/item/weapon/circuitboard/pod
 	category = list("Misc. Machinery")

code/modules/shuttles/shuttle_specops.dm

@@ -144,7 +144,7 @@
 	//Begin Marauder launchpad.
 	spawn(0)//So it parallel processes it.
 		for(var/obj/machinery/door/poddoor/M in special_ops)
-			switch(M.id)
+			switch(M.id_tag)
 				if("ASSAULT0")
 					spawn(10)//1 second delay between each.
 						M.open()
@@ -175,7 +175,7 @@
 		sleep(10)
 
 		for(var/obj/machinery/mass_driver/M in special_ops)
-			switch(M.id)
+			switch(M.id_tag)
 				if("ASSAULT0")
 					spawn(10)
 						M.drive()
@@ -192,7 +192,7 @@
 		sleep(50)//Doors remain open for 5 seconds.
 
 		for(var/obj/machinery/door/poddoor/M in special_ops)
-			switch(M.id)//Doors close at the same time.
+			switch(M.id_tag)//Doors close at the same time.
 				if("ASSAULT0")
 					spawn(0)
 						M.close()