buildmode mapgen tool save

code/game/objects/objs.dm

@@ -383,3 +383,34 @@
 
 /obj/proc/plunger_act(obj/item/plunger/P, mob/living/user, reinforced)
 	return
+
+
+//For returning special data when the object is saved
+//For example, or silos will return a list of their materials which will be dumped on top of them
+//Can be customised if you have something that contains something you want saved
+//If you put an incorrect format it will break outputting, so don't use this if you don't know what you are doing
+//NOTE: Contents is automatically saved, so if you store your things in the contents var, don't worry about this
+//====Output Format Examples====:
+//===Single Object===
+//	"/obj/item/folder/blue"
+//===Multiple Objects===
+//	"/obj/item/folder/blue,\n
+//	/obj/item/folder/red"
+//===Single Object with metadata===
+//	"/obj/item/folder/blue{\n
+//	\tdir = 8;\n
+//	\tname = "special folder"\n
+//	\t}"
+//===Multiple Objects with metadata===
+//	"/obj/item/folder/blue{\n
+//	\tdir = 8;\n
+//	\tname = "special folder"\n
+//	\t},\n
+//	/obj/item/folder/red"
+//====How to save easily====:
+//	return "[thing.type][generate_tgm_metadata(thing)]"
+//Where thing is the additional thing you want to same (For example ores inside an ORM)
+//Just add ,\n between each thing
+//generate_tgm_metadata(thing) handles everything inside the {} for you
+/obj/proc/on_object_saved(depth)
+	return ""

code/game/objects/structures/crates_lockers/closets.dm

@@ -672,3 +672,15 @@
 	if(allowed(user))
 		return TRUE
 	to_chat(user, "<span class='notice'>Access denied.</span>")
+
+/obj/structure/closet/on_object_saved(depth)
+	if(depth >= 10)
+		return ""
+	var/dat = ""
+	for(var/obj/item in contents)
+		var/metadata = generate_tgm_metadata(item)
+		dat += "[dat ? ",\n" : ""][item.type][metadata]"
+		//Save the contents of things inside the things inside us, EG saving the contents of bags inside lockers
+		var/custom_data = item.on_object_saved(depth++)
+		dat += "[custom_data ? ",\n[custom_data]" : ""]"
+	return dat