s

code/controllers/configuration/config_entry.dm

@@ -19,6 +19,7 @@
 	var/abstract_type = /datum/config_entry	//do not instantiate if type matches this
 
 	var/vv_VAS = TRUE		//Force validate and set on VV. VAS proccall guard will run regardless.
+	var/postload_required = FALSE		//requires running OnPostload()
 
 	var/dupes_allowed = FALSE
 
@@ -72,6 +73,9 @@
 /datum/config_entry/proc/DeprecationUpdate(value)
 	return
 
+/datum/config_entry/proc/OnPostload()
+	return
+
 /datum/config_entry/string
 	config_entry_value = ""
 	abstract_type = /datum/config_entry/string
@@ -80,7 +84,7 @@
 /datum/config_entry/string/vv_edit_var(var_name, var_value)
 	return var_name != "auto_trim" && ..()
 
-/datum/config_entry/string/ValidateAndSet(str_val)
+/datum/config_entry/string/ValidateAndSet(str_val, during_load)
 	if(!VASProcCallGuard(str_val))
 		return FALSE
 	config_entry_value = auto_trim ? trim(str_val) : str_val

code/controllers/configuration/configuration.dm

@@ -101,6 +101,7 @@
 	log_config("Loading config file [filename]...")
 	var/list/lines = world.file2list("[directory]/[filename]")
 	var/list/_entries = entries
+	var/list/postload_required = list()
 	for(var/L in lines)
 		L = trim(L)
 		if(!L)
@@ -157,18 +158,24 @@
 			else
 				warning("[new_ver.type] is deprecated but gave no proper return for DeprecationUpdate()")
 
-		var/validated = E.ValidateAndSet(value)
+		var/validated = E.ValidateAndSet(value, TRUE)
 		if(!validated)
 			log_config("Failed to validate setting \"[value]\" for [entry]")
 		else
 			if(E.modified && !E.dupes_allowed)
 				log_config("Duplicate setting for [entry] ([value], [E.resident_file]) detected! Using latest.")
+		if(E.postload_required)
+			postload_required[E] = TRUE
 
 		E.resident_file = filename
 
 		if(validated)
 			E.modified = TRUE
 
+	for(var/i in postload_required)
+		var/datum/config_entry/E = i
+		E.OnPostload()
+
 	++.
 
 /datum/controller/configuration/can_vv_get(var_name)

code/controllers/configuration/entries/donator.dm

@@ -0,0 +1,22 @@
+/datum/config_entry/keyed_list/donator_group
+	key_mode = KEY_MODE_TEXT
+	value_mode = VALUE_MODE_FLAG
+	abstract_type = /datum/config_entry/keyed_list/donator_group
+
+//If we're in the middle of a config load, only do the regeneration afterwards to prevent this from wasting a massive amount of CPU for list regenerations.
+/datum/config_entry/keyed_list/donator_group/ValidateAndSet(str_val, during_load)
+	. = ..()
+	if(. && during_load)
+		regenerate_donator_grouping_list()
+
+/datum/config_entry/keyed_list/donator_group/OnPostload()
+	. = ..()
+	regenerate_donator_grouping_list()
+
+//This is kinda weird in that the config entries are defined here but all the handling/calculations are in __HELPERS/donator_groupings.dm
+
+/datum/config_entry/keyed_list/donator_group/tier_1_donators
+
+/datum/config_entry/keyed_list/donator_group/tier_2_donators
+
+/datum/config_entry/keyed_list/donator_group/tier_3_donators