Update chargen_template.dm

mods/persistence/modules/chargen/chargen_spawn_point.dm

@@ -21,6 +21,7 @@
 
 /datum/extension/spawn_position/chargen
 	expected_type = /obj/abstract/landmark/chargen_spawn
+	provider      = /decl/spawnpoint/chargen
 
 /datum/extension/spawn_position/chargen/is_busy()
 	return SSchargen.is_chargen_room_busy(get_area(holder))

mods/persistence/modules/chargen/chargen_template.dm

@@ -8,18 +8,18 @@
 	level_data_type      = /datum/level_data/chargen
 	template_parent_type = /datum/map_template/chargen
 
-	///The map file containing the room template we'll use to fill the level
+	///The map file containing the room template we'll use to fill the level. Set by the user.
 	var/chargen_prefab_path
-	///The amount of rooms we'll instantiate on the level
+	///The amount of rooms we'll instantiate on the level. Should be set by the user.
 	var/amount_chargen_rooms = MAX_NB_CHAR_GEN_PODS
-	///The width of the chargen room prefab
-	var/tmp/room_width
-	///The height of the chargen room prefab
-	var/tmp/room_height
-	///The amount of rooms that fit between the top and bottom of the map in a single column.
-	var/tmp/max_rooms_per_column
-	///The amount of columns we reserve for placing down chargen rooms. This number also include incomplete columns.
-	var/tmp/amount_columns
+	///The width of the chargen room prefab. Loaded at runtime.
+	VAR_PRIVATE/tmp/room_width
+	///The height of the chargen room prefab. Loaded at runtime.
+	VAR_PRIVATE/tmp/room_height
+	///The amount of rooms that fit between the top and bottom of the map in a single column. Loaded at runtime.
+	VAR_PRIVATE/tmp/max_rooms_per_column
+	///The amount of columns we reserve for placing down chargen rooms. This number also include incomplete columns. Loaded at runtime.
+	VAR_PRIVATE/tmp/amount_columns
 
 /datum/map_template/chargen/get_spawn_weight()
 	return 1 //Must be loaded after the main template
@@ -35,6 +35,9 @@
 	return TRUE
 
 /datum/map_template/chargen/load_new_z(no_changeturf, centered)
+	if(world.maxx <= 0 || world.maxy <= 0)
+		CRASH("Couldn't load chargen template. The world x/y size was not set prior to loading the template!")
+
 	max_rooms_per_column = FLOOR(world.maxy / room_height)
 	amount_columns       = (amount_chargen_rooms / max_rooms_per_column)