GLOB

code/__HELPERS/global_lists.dm

@@ -49,14 +49,13 @@
 			whitelisted_species += S.name
 
 	init_subtypes(/datum/crafting_recipe, crafting_recipes)
-
-//RPD stuff
-	var/list/pipe_list = list()
-	init_subtypes(/datum/pipes/atmospheric, pipe_list)
-	init_subtypes(/datum/pipes/disposal, pipe_list)
-	for(var/I in pipe_list)
+	var/list/temp_pipe_list = list()
+	init_subtypes(/datum/pipes/atmospheric, temp_pipe_list)
+	init_subtypes(/datum/pipes/disposal, temp_pipe_list)
+	for(var/I in temp_pipe_list)
 		var/datum/pipes/P = I
-		construction_pipe_list += list(list("pipename" = P.pipename, "pipeid" = P.pipeid, "atmosordisposals" = P.pipetype, "category" = P.category, "orientations" = P.orientations, "icon" = P.previewicon, "bendy" = P.bendy))
+		GLOB.construction_pipe_list += list(list("pipename" = P.pipename, "pipeid" = P.pipeid, "atmosordisposals" = P.pipetype, "category" = P.category, "orientations" = P.orientations, "icon" = P.previewicon, "bendy" = P.bendy))
+
 	return 1
 
 /* // Uncomment to debug chemical reaction list.

code/_globalvars/lists/objects.dm

@@ -44,5 +44,3 @@ var/global/list/poi_list = list()					//list of points of interest for observe/f
 var/global/list/active_jammers = list()             // List of active radio jammers
 
 var/global/list/active_diseases = list() 			//List of Active disease in all mobs; purely for quick referencing.
-
-var/global/list/construction_pipe_list = list()		//List of all pipe datums

code/datums/pipe_datums.dm

@@ -3,6 +3,8 @@
 #define RPD_ATMOS		1
 #define RPD_DISPOSAL	2
 
+GLOBAL_LIST_EMPTY(construction_pipe_list)	//List of all pipe datums
+
 /datum/pipes
 	var/pipename //What the pipe is called in the interface
 	var/pipeid //Use the pipe define for this

code/game/objects/items/weapons/rpd.dm

@@ -144,7 +144,7 @@ var/list/pipemenu = list(
 	data["iconrotation"] = iconrotation
 	data["mainmenu"] = mainmenu
 	data["mode"] = mode
-	data["pipelist"] = construction_pipe_list
+	data["pipelist"] = GLOB.construction_pipe_list
 	data["pipemenu"] = pipemenu
 	data["pipetype"] = pipetype
 	data["whatdpipe"] = whatdpipe