FightSystem/FightSystem_API/src/de/steamwar/fightsystem/IFightSystem.java

/* 
    This file is a part of the SteamWar software.
    
    Copyright (C) 2020  SteamWar.de-Serverteam

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    GNU Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.
*/

package de.steamwar.fightsystem;

import de.steamwar.sql.EventFight;
import org.bukkit.Bukkit;
import org.bukkit.entity.Player;
import org.bukkit.plugin.Plugin;

public class IFightSystem {
    private IFightSystem(){}

    private static Plugin plugin;
    private static EventFight eventFight;
    private static Player eventLeiter;

    public static void init(Plugin plugin){
        IFightSystem.plugin = plugin;
    }
    static void setEventFight(EventFight ef){
        eventFight = ef;
    }
    static void setEventLeiter(Player el){
        eventLeiter = el;
    }

    public static Plugin getPlugin(){
        return plugin;
    }
    public static EventFight getEventFight(){
        return eventFight;
    }
    public static Player getEventLeiter(){
        return eventLeiter;
    }

    public static void shutdown(String reason){
        if(reason != null)
            Bukkit.broadcastMessage(reason);
        //Staggered kick to prevent lobby overloading
        kickNext();
    }

    private static void kickNext(){
        if(Bukkit.getOnlinePlayers().isEmpty()){
            Bukkit.shutdown();
            return;
        }

        Bukkit.getOnlinePlayers().iterator().next().kickPlayer(null);
        Bukkit.getScheduler().runTaskLater(plugin, IFightSystem::kickNext, 10);
    }
}