Adds config option to prevent repeating maps (ParadiseSS13#18950)

* the map vote sound now haunts my dreams

* aa

* Update config/example/config.toml

code/controllers/configuration/sections/vote_configuration.dm

@@ -12,12 +12,15 @@
 	var/disable_default_vote = TRUE
 	/// Enable map voting?
 	var/enable_map_voting = FALSE
+	/// If TRUE, you will not be able to vote for the current map
+	var/non_repeating_maps = TRUE
 
 /datum/configuration_section/vote_configuration/load_data(list/data)
 	// Use the load wrappers here. That way the default isnt made 'null' if you comment out the config line
 	CONFIG_LOAD_BOOL(prevent_dead_voting, data["prevent_dead_voting"])
 	CONFIG_LOAD_BOOL(disable_default_vote, data["disable_default_vote"])
 	CONFIG_LOAD_BOOL(enable_map_voting, data["enable_map_voting"])
+	CONFIG_LOAD_BOOL(non_repeating_maps, data["non_repeating_maps"])
 
 	CONFIG_LOAD_NUM(vote_time, data["vote_time"])
 	CONFIG_LOAD_NUM(autotransfer_initial_time, data["autotransfer_initial_time"])

code/modules/vote/vote_presets.dm

@@ -21,8 +21,11 @@
 /datum/vote/map/generate_choices()
 	for(var/x in subtypesof(/datum/map))
 		var/datum/map/M = x
-		if(initial(M.voteable))
-			choices.Add("[initial(M.fluff_name)] ([initial(M.technical_name)])")
+		if(!initial(M.voteable))
+			continue
+		if(GLOB.configuration.vote.non_repeating_maps && istype(SSmapping.map_datum, M))
+			continue
+		choices.Add("[initial(M.fluff_name)] ([initial(M.technical_name)])")
 
 /datum/vote/map/announce()
 	..()

config/example/config.toml

@@ -814,7 +814,8 @@ prevent_dead_voting = false
 disable_default_vote = true
 # Enable voting for a map on end round
 enable_map_voting = false
-
+# Set to true to prevent the same map from being voted on twice in a row
+non_repeating_maps = true
 
 ################################################################