FightSystem/FightSystem_Main/src/de/steamwar/fightsystem/fight/Fight.java

package de.steamwar.fightsystem.fight;

import de.steamwar.fightsystem.Config;
import org.bukkit.Bukkit;
import org.bukkit.Sound;
import org.bukkit.entity.Player;

public class Fight {
    private Fight(){}

    public static final FightTeam redTeam = new FightTeam(Config.TeamRedName, Config.TeamRedPrefix, Config.TeamRedSpawn, Config.TeamRedCornerX, Config.TeamRedCornerY, Config.TeamRedCornerZ, Config.TeamRedRotate, false, Config.RedLeader);
    public static final FightTeam blueTeam = new FightTeam(Config.TeamBlueName, Config.TeamBluePrefix, Config.TeamBlueSpawn, Config.TeamBlueCornerX, Config.TeamBlueCornerY, Config.TeamBlueCornerZ, Config.TeamBlueRotate, true, Config.BlueLeader);

    public static void init(){
        IFight.init(redTeam, blueTeam);
    }

    public static FightTeam getPlayerTeam(Player player) {
        if(redTeam.isPlayerInTeam(player))
            return redTeam;
        if(blueTeam.isPlayerInTeam(player))
            return blueTeam;
        return null;
    }

    public static FightTeam getOpposite(FightTeam fightTeam) {
        if(fightTeam == null){
            throw new IllegalArgumentException();
        }

        if(fightTeam == redTeam)
            return blueTeam;
        else
            return redTeam;
    }

    public static FightTeam getInvitedTeam(Player player){
        if(redTeam.getInvited().contains(player))
            return redTeam;
        else if(blueTeam.getInvited().contains(player))
            return blueTeam;
        return null;
    }

    public static FightPlayer getFightPlayer(Player player) {
        if(redTeam.isPlayerInTeam(player))
            return redTeam.getFightPlayer(player);
        if(blueTeam.isPlayerInTeam(player))
            return blueTeam.getFightPlayer(player);
        return null;
    }

    public static FightTeam getRedTeam() {
        return redTeam;
    }

    public static FightTeam getBlueTeam() {
        return blueTeam;
    }

    public static void playSound(Sound sound, float volume, float pitch) {
        //volume: max. 100, pitch: max. 2
        Bukkit.getServer().getOnlinePlayers().forEach(player -> player.playSound(player.getLocation(), sound, volume, pitch));
    }

    public static void setLevel(int level) {
        Bukkit.getServer().getOnlinePlayers().forEach(player -> player.setLevel(level));
    }
}