Fix multitools being unable to set IDs on some devices (github #468)

code/ATMOSPHERICS/components/unary/outlet_injector.dm

@@ -151,11 +151,10 @@
 		update_multitool_menu(user)
 
 	multitool_menu(var/mob/user,var/obj/item/device/multitool/P)
-
 		return {"
 		<ul>
 			<li><b>Frequency:</b> <a href="?src=\ref[src];set_freq=-1">[format_frequency(frequency)] GHz</a> (<a href="?src=\ref[src];set_freq=[1439]">Reset</a>)</li>
-			<li><b>ID Tag:</b> <a href="?src=\ref[src];set_id=1">[id]</a></li>
+			<li>[format_tag("ID Tag","id","set_id")]</a></li>
 		</ul>
 "}
 	Topic(href, href_list)

code/ATMOSPHERICS/components/unary/vent_pump.dm

@@ -307,7 +307,7 @@
 		return {"
 		<ul>
 			<li><b>Frequency:</b> <a href="?src=\ref[src];set_freq=-1">[format_frequency(frequency)] GHz</a> (<a href="?src=\ref[src];set_freq=[1439]">Reset</a>)</li>
-			<li><b>ID Tag:</b> <a href="?src=\ref[src];set_tag=1">[id_tag]</a></li>
+			<li>[format_tag("ID Tag","id_tag","set_id")]</li>
 		</ul>
 		"}
 

code/ATMOSPHERICS/components/unary/vent_scrubber.dm

@@ -307,7 +307,7 @@
 		return {"
 		<ul>
 			<li><b>Frequency:</b> <a href="?src=\ref[src];set_freq=-1">[format_frequency(frequency)] GHz</a> (<a href="?src=\ref[src];set_freq=[1439]">Reset</a>)</li>
-			<li><b>ID Tag:</b> <a href="?src=\ref[src];set_tag=1">[format_tag(id_tag)]</a></li>
+			<li>[format_tag("ID Tag","id_tag")]</li>
 		</ul>
 		"}
 

code/ATMOSPHERICS/components/valve.dm

@@ -267,7 +267,7 @@ obj/machinery/atmospherics/valve
 			return {"
 			<ul>
 				<li><b>Frequency:</b> <a href="?src=\ref[src];set_freq=-1">[format_frequency(frequency)] GHz</a> (<a href="?src=\ref[src];set_freq=[1439]">Reset</a>)</li>
-				<li><b>ID Tag:</b> <a href="?src=\ref[src];set_tag=1">[id]</a></li>
+				<li>[format_tag("ID Tag","id","set_id")]</a></li>
 			</ul>
 			"}
 

code/game/machinery/machinery.dm

@@ -198,6 +198,19 @@ Class Procs:
 		log_adminghost("[key_name(usr)] screwed with [src] ([href])!")
 
 	src.add_fingerprint(usr)
+
+	var/obj/item/device/multitool/P = get_multitool(usr)
+	if(P && istype(P))
+		if("set_tag" in href_list)
+			if(!(href_list["set_tag"] in vars))
+				usr << "\red Something went wrong: Unable to find [href_list["set_tag"]] in vars!"
+				return 1
+			var/current_tag = src.vars[href_list["set_tag"]]
+			var/newid = copytext(reject_bad_text(input(usr, "Specify the new ID tag", src, current_tag) as null|text),1,MAX_MESSAGE_LEN)
+			if(newid)
+				vars[href_list["set_tag"]] = newid
+				initialize()
+			return 1
 	return 0
 
 /obj/machinery/attack_ai(mob/user as mob)

code/game/objects/objs.dm

@@ -109,11 +109,12 @@
 /obj/proc/multitool_menu(var/mob/user,var/obj/item/device/multitool/P)
 	return "<b>NO MULTITOOL_MENU!</b>"
 
-/obj/proc/format_tag(var/label,var/varname)
+/obj/proc/format_tag(var/label,var/varname, var/act="set_tag")
 	var/value = vars[varname]
 	if(!value || value=="")
 		value="-----"
-	return "<b>[label]:</b> <a href=\"?src=\ref[src];set_tag=[varname]\">[value]</a>"
+	return "<b>[label]:</b> <a href=\"?src=\ref[src];[act]=[varname]\">[value]</a>"
+
 
 /obj/proc/update_multitool_menu(mob/user as mob)
 	var/obj/item/device/multitool/P = get_multitool(user)