Log all player antag tokens to a tokens.json log at roundend (#1912)

code/__HELPERS/roundend.dm

@@ -282,6 +282,9 @@ GLOBAL_LIST_INIT(round_end_images, world.file2list("data/image_urls.txt")) // MO
 	//stop collecting feedback during grifftime
 	SSblackbox.Seal()
 	var/hour = round((world.time - SSticker.round_start_time) / 36000)
+
+	// monkestation start: token backups, monkecoin rewards, challenges, and roundend webhook
+	rustg_file_write(json_encode(GLOB.saved_token_values), "[GLOB.log_directory]/tokens.json")
 	var/minute = round(((world.time - SSticker.round_start_time) - (hour * 36000)) / 600)
 	var/added_xp = round(25 + (minute**0.85))
 	for(var/client/C in GLOB.clients)
@@ -305,6 +308,7 @@ GLOBAL_LIST_INIT(round_end_images, world.file2list("data/image_urls.txt")) // MO
 	ready_for_reboot = TRUE
 	var/datum/discord_embed/embed = format_roundend_embed("<@&999008528595419278>")
 	send2roundend_webhook(embed)
+	// monkestation end
 	standard_reboot()
 
 /datum/controller/subsystem/ticker/proc/format_roundend_embed(message)

monkestation/code/datums/meta_tokens.dm

@@ -1,4 +1,7 @@
-GLOBAL_LIST_INIT(used_monthly_token, list())
+GLOBAL_LIST_EMPTY(used_monthly_token)
+
+/// Token for each player in the round, used to backup tokens to logs at roundend.
+GLOBAL_LIST_EMPTY(saved_token_values)
 
 ///assoc list of how many event tokens each role gets each month
 GLOBAL_LIST_INIT(patreon_etoken_values, list(
@@ -49,6 +52,7 @@ GLOBAL_LIST_INIT(patreon_etoken_values, list(
 	owner = creator
 
 	var/datum/preferences/owners_prefs = creator.prefs
+	backup_tokens()
 	convert_list_to_tokens(owners_prefs.saved_tokens)
 	donator_token = check_for_donator_token()
 
@@ -63,6 +67,13 @@ GLOBAL_LIST_INIT(patreon_etoken_values, list(
 
 	total_antag_tokens = total_low_threat_tokens + total_medium_threat_tokens + total_high_threat_tokens
 
+/// Backs up the owner's tokens to [GLOB.saved_token_values],
+/// with sanity checks to make damn sure we don't write invalid data.
+/datum/meta_token_holder/proc/backup_tokens()
+	if(QDELETED(src) || QDELETED(owner) || !owner.ckey || QDELETED(owner.prefs) || !owner.prefs.saved_tokens)
+		return
+	GLOB.saved_token_values[owner.ckey] = owner.prefs.saved_tokens.Copy()
+
 /datum/meta_token_holder/proc/convert_tokens_to_list()
 	owner.prefs.saved_tokens = list(
 		"low_threat" = total_low_threat_tokens,
@@ -71,6 +82,7 @@ GLOBAL_LIST_INIT(patreon_etoken_values, list(
 		"event_tokens" = event_tokens,
 		"event_token_month" = event_token_month,
 	)
+	backup_tokens()
 	owner.prefs.save_preferences()
 
 /datum/meta_token_holder/proc/check_for_donator_token()