Enforces nukies to wait at least 10 minutes after war before heading to station (#16115)

code/game/gamemodes/nuclear/nuclear_challenge.dm

@@ -55,6 +55,7 @@
 
 	for(var/obj/machinery/computer/shuttle/syndicate/S in GLOB.machines)
 		S.challenge = TRUE
+		S.challenge_time = world.time
 
 	 // No. of player - Min. Player to dec, divided by player per bonus, then multipled by TC per bonus. Rounded.
 	total_tc = CHALLENGE_TELECRYSTALS + round((((GLOB.player_list.len - CHALLENGE_MIN_PLAYERS)/CHALLENGE_SCALE_PLAYER) * CHALLENGE_SCALE_BONUS))

code/modules/shuttle/syndicate.dm

@@ -12,6 +12,7 @@
 	resistance_flags = INDESTRUCTIBLE | LAVA_PROOF | FIRE_PROOF | ACID_PROOF
 	flags = NODECONSTRUCT
 	var/challenge = FALSE
+	var/challenge_time = 0 //When was war declared?
 
 /obj/machinery/computer/shuttle/syndicate/recall
 	name = "syndicate shuttle recall terminal"
@@ -19,9 +20,10 @@
 	possible_destinations = "syndicate_away"
 
 /obj/machinery/computer/shuttle/syndicate/can_call_shuttle(user, action)
+	var/time_to_go = max(SYNDICATE_CHALLENGE_TIMER, (challenge_time + 10 MINUTES))
 	if(action == "move")
-		if(challenge && world.time < SYNDICATE_CHALLENGE_TIMER)
-			to_chat(user, "<span class='warning'>You've issued a combat challenge to the station! You've got to give them at least [round(((SYNDICATE_CHALLENGE_TIMER - world.time) / 10) / 60)] more minutes to allow them to prepare.</span>")
+		if(challenge && world.time < time_to_go)
+			to_chat(user, "<span class='warning'>You've issued a combat challenge to the station! You've got to give them at least [round(((time_to_go - world.time) / 10) / 60)] more minutes to allow them to prepare.</span>")
 			return FALSE
 	return TRUE