Add TNTLeague Auto-Stop

TNTLeague/src/de/steamwar/tntleague/events/GlobalListener.kt

@@ -25,6 +25,8 @@ import de.steamwar.tntleague.game.TNTLeagueGame
 import de.steamwar.tntleague.game.TNTLeagueTeam
 import de.steamwar.kotlin.inventory.SWInventoryHolder
 import de.steamwar.tntleague.message
+import de.steamwar.tntleague.plugin
+import org.bukkit.Bukkit
 import org.bukkit.GameMode
 import org.bukkit.Material
 import org.bukkit.event.EventHandler
@@ -57,6 +59,10 @@ object GlobalListener: Listener {
         e.quitMessage(null)
         message.broadcast("QUIT", e.player.name.colorByTeam(TNTLeagueGame.getTeam(e.player)))
         TNTLeagueGame.playerLeave(e.player)
+
+        if (plugin.server.onlinePlayers.size == 1 && plugin.server.onlinePlayers.first() == e.player) {
+            plugin.server.shutdown()
+        }
     }
 
     @EventHandler(priority = EventPriority.LOWEST)