Lets admins set system clear objectives and refactors extended missio…

…n code (#2531)

nsv13/code/controllers/subsystem/overmap_mode.dm

@@ -306,6 +306,7 @@ SUBSYSTEM_DEF(overmap_mode)
 	for(var/datum/overmap_objective/O in mode.objectives)
 		O.ignore_check = TRUE //We no longer care about checking these objective against completion
 
+	/* This doesn't work and I don't have the time to refactor all of it right now so on the TODO pile it goes!
 	var/list/extension_pool = subtypesof(/datum/overmap_objective)
 	var/players = get_active_player_count(TRUE, TRUE, FALSE) //Number of living, non-AFK players including non-humanoids
 	for(var/datum/overmap_objective/O in extension_pool)
@@ -322,6 +323,12 @@ SUBSYSTEM_DEF(overmap_mode)
 	else
 		message_admins("No additional objective candidates! Defaulting to tickets")
 		mode.objectives += new /datum/overmap_objective/tickets
+	*/
+
+	if(get_active_player_count(TRUE,TRUE,FALSE) > 4)
+		mode.objectives += new /datum/overmap_objective/clear_system/rubicon
+	else
+		mode.objectives += new /datum/overmap_objective/tickets
 
 	instance_objectives()
 
@@ -501,7 +508,7 @@ SUBSYSTEM_DEF(overmap_mode)
 /datum/overmap_objective/custom
 	name = "Custom"
 
-/datum/overmap_objective/custom/New(var/passed_input) //Receive the string and make it brief/desc
+/datum/overmap_objective/custom/New(passed_input) //Receive the string and make it brief/desc
 	.=..()
 	desc = passed_input
 	brief = passed_input
@@ -560,7 +567,7 @@ SUBSYSTEM_DEF(overmap_mode)
 				message_admins("Post Initilisation Overmap Gamemode Changes Not Currently Supported") //SoonTM
 				return
 			var/list/gamemode_pool = subtypesof(/datum/overmap_gamemode)
-			var/datum/overmap_gamemode/S = input("Select Overmap Gamemode", "Change Overmap Gamemode") as null|anything in gamemode_pool
+			var/datum/overmap_gamemode/S = input(usr, "Select Overmap Gamemode", "Change Overmap Gamemode") as null|anything in gamemode_pool
 			if(isnull(S))
 				return
 			if(SSovermap_mode.mode_initialised)
@@ -572,11 +579,14 @@ SUBSYSTEM_DEF(overmap_mode)
 				message_admins("[key_name_admin(usr)] has changed the overmap gamemode to [initial(S.name)]")
 			return
 		if("add_objective")
-			var/list/objectives_pool = subtypesof(/datum/overmap_objective)
-			var/datum/overmap_objective/S = input("Select objective to add", "Add Objective") as null|anything in objectives_pool
+			var/list/objectives_pool = (subtypesof(/datum/overmap_objective) - /datum/overmap_objective/custom)
+			var/datum/overmap_objective/S = input(usr, "Select objective to add", "Add Objective") as null|anything in objectives_pool
 			if(isnull(S))
 				return
-			SSovermap_mode.mode.objectives += new S()
+			var/extra
+			if(ispath(S,/datum/overmap_objective/clear_system))
+				extra = input(usr, "Select a target system", "Select System") as null|anything in SSstar_system.systems
+			SSovermap_mode.mode.objectives += new S(extra)
 			SSovermap_mode.instance_objectives()
 			return
 		if("add_custom_objective")

nsv13/code/game/gamemodes/overmap/objectives/rubicon.dm

@@ -8,6 +8,19 @@
 	var/system_name
 	var/datum/star_system/target_system
 
+/datum/overmap_objective/clear_system/New(datum/star_system/passed_input)
+	.=..()
+	if(passed_input)
+		system_name = passed_input.name
+	if(!system_name)
+		for(var/datum/star_system/S in SSstar_system.neutral_zone_systems)
+			if(S.hidden)
+				continue
+			if(length(S.enemies_in_system))
+				system_name = S.name
+				break
+			continue
+
 /datum/overmap_objective/clear_system/instance()
 	.=..()
 	desc = "Defeat all enemies in the [system_name] system"