WIP join anytime

Signed-off-by: Lixfel <agga-games@gmx.de>

FightSystem_Core/src/de/steamwar/fightsystem/FightSystem.java

@@ -91,6 +91,7 @@ public class FightSystem extends JavaPlugin {
         new BlockFadeListener();
         new LeaveableArena();
         new HotbarKit.HotbarKitListener();
+        new JoinRequestListener();
         new OneShotStateDependent(ArenaMode.All, FightState.PreSchemSetup, () -> Fight.playSound(SWSound.BLOCK_NOTE_PLING.getSound(), 100.0f, 2.0f));
 
         new EnterHandler();
@@ -133,7 +134,6 @@ public class FightSystem extends JavaPlugin {
         new TBCommand();
         new DeclineCommand();
         new GamemodeCommand();
-        new InviteCommand();
         new ReadyCommand();
         new AkCommand();
         new LeaderCommand();

FightSystem_Core/src/de/steamwar/fightsystem/FightSystem.properties

@@ -239,3 +239,10 @@ WIN_LESS_DAMAGE={0} §7less damaged
 WIN_POINTS={0} has more points
 WIN_POINTS_EQUAL=§7Equal points
 WIN_TECHKO={0} §7is tech K.O.
+
+
+# Invites
+JOIN_REQUEST=§7Request participation
+JOIN_REQUEST_TITLE=Request participation
+JOIN_REQUEST_ALREADY=§cYou have already sent a participation request
+JOIN_REQUEST_TEAM=§eJoin {0}

FightSystem_Core/src/de/steamwar/fightsystem/FightSystem_de.properties

@@ -224,3 +224,21 @@ WIN_LESS_DAMAGE={0} §7weniger beschädigt
 WIN_POINTS={0} hat mehr Punkte
 WIN_POINTS_EQUAL=§7Gleicher Punktestand
 WIN_TECHKO={0} §7ist Tech K.O.
+
+
+# Invites
+JOIN_REQUEST=§7Teambeitritt anfragen
+JOIN_REQUEST_TITLE=Teambeitritt anfragen
+JOIN_REQUEST_ALREADY=§cDu hast bereits ein Team um Beitritt angefragt
+JOIN_REQUEST_TEAM={0} §ebeitreten
+
+REQUESTS=§7Offene Beitrittsanfragen
+REQUESTS_TITLE=Offene Beitrittsanfragen
+REQUEST_DECLINED=§cBeitritt von {0} abgelehnt
+YOUR_REQUEST_DECLINED=§cDeine Betrittsanfrage wurde abgelehnt
+
+UNKNOWN_PLAYER=§cUnbekannter Spieler
+NO_JOIN_REQUEST=§cDer Spieler hat noch keinen Beitritt angefragt
+NO_CONFIRMATION=§cKeine Zustimmung nötig
+ACCEPT_USAGE=§8/§7accept §8[§eSpieler§8]
+DECLINE_USAGE=§8/§7decline §8[§eSpieler§8]

FightSystem_Core/src/de/steamwar/fightsystem/commands/AcceptCommand.java

@@ -20,13 +20,20 @@
 package de.steamwar.fightsystem.commands;
 
 import de.steamwar.fightsystem.ArenaMode;
+import de.steamwar.fightsystem.FightSystem;
+import de.steamwar.fightsystem.fight.Fight;
+import de.steamwar.fightsystem.fight.FightTeam;
+import de.steamwar.fightsystem.fight.JoinRequest;
 import de.steamwar.fightsystem.states.FightState;
 import de.steamwar.fightsystem.states.StateDependentCommand;
+import org.bukkit.Bukkit;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandExecutor;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 
+import java.util.function.BiConsumer;
+
 public class AcceptCommand implements CommandExecutor {
 
     public AcceptCommand() {
@@ -35,12 +42,45 @@ public class AcceptCommand implements CommandExecutor {
 
     @Override
     public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
-        if(!(sender instanceof Player)) {
+        onJoinRequest(sender, args, "ACCEPT_USAGE", JoinRequest::accept);
         return false;
     }
+
+    public static void onJoinRequest(CommandSender sender, String[] args, String usage, BiConsumer<JoinRequest, FightTeam> handleJoinRequest) {
+        if(!(sender instanceof Player)) {
+            return;
+        }
         Player player = (Player) sender;
+        if(Commands.checkGetLeader(player) == null)
+            return;
 
-        Commands.acceptInvitation(player);
-        return false;
+        if(args.length == 0) {
+            FightSystem.getMessage().send(usage, sender);
+            return;
+        }
+
+        Player target = Bukkit.getPlayer(args[0]);
+        if(target == null) {
+            FightSystem.getMessage().send("UNKNOWN_PLAYER", player);
+            return;
+        }
+
+        onJoinRequest(player, target, handleJoinRequest);
+    }
+
+    public static void onJoinRequest(Player player, Player target, BiConsumer<JoinRequest, FightTeam> handleJoinRequest) {
+        JoinRequest request = JoinRequest.get(target);
+        if(request == null) {
+            FightSystem.getMessage().send("NO_JOIN_REQUEST", player);
+            return;
+        }
+
+        FightTeam team = Fight.getPlayerTeam(player);
+        if(!request.required(team)) {
+            FightSystem.getMessage().send("NO_CONFIRMATION", player);
+            return;
+        }
+
+        handleJoinRequest.accept(request, team);
     }
 }

FightSystem_Core/src/de/steamwar/fightsystem/commands/Commands.java

@@ -47,14 +47,6 @@ public class Commands {
         return false;
     }
 
-    private static FightTeam checkGetInvitedTeam(Player p){
-        FightTeam fightTeam = Fight.getInvitedTeam(p);
-        if(fightTeam == null){
-            FightSystem.getMessage().sendPrefixless("NO_INVITATION", p, ChatMessageType.ACTION_BAR);
-        }
-        return fightTeam;
-    }
-
     private static FightPlayer checkGetPlayer(Player p){
         FightPlayer fightPlayer = Fight.getFightPlayer(p);
         if(fightPlayer == null){
@@ -104,30 +96,6 @@ public class Commands {
         fightTeam.skip();
     }
 
-    static void acceptInvitation(Player p){
-        if(checkSetup(p))
-            return;
-
-        FightTeam team = checkGetInvitedTeam(p);
-        if(team == null)
-            return;
-
-        team.addMember(p);
-    }
-
-    static void declineInvitation(Player p){
-        if(checkSetup(p))
-            return;
-
-        FightTeam team = checkGetInvitedTeam(p);
-        if(team == null)
-            return;
-
-        FightSystem.getMessage().sendPrefixless("INVITATION_DECLINED", p, ChatMessageType.ACTION_BAR);
-        team.broadcast("INVITATION_DECLINED_TEAM", p.getName());
-        team.getInvited().remove(p);
-    }
-
     static void leaveTeam(Player p){
         if(checkSetup(p))
             return;
@@ -139,37 +107,6 @@ public class Commands {
         fightTeam.removePlayer(p);
     }
 
-    static void invite(Player p, String invited){
-        if(checkSetup(p))
-            return;
-
-        FightTeam fightTeam = checkGetTeam(p);
-        if(fightTeam == null)
-            return;
-
-        FightPlayer fightPlayer = checkGetLeader(p);
-        if(fightPlayer == null)
-            return;
-
-        Player target = checkGetPlayer(p, invited);
-        if(target == null)
-            return;
-
-        if(Fight.getPlayerTeam(target) != null) {
-            FightSystem.getMessage().sendPrefixless("PLAYER_IN_TEAM", p, ChatMessageType.ACTION_BAR, target.getName());
-            return;
-        }
-
-        if(Fight.getOpposite(fightTeam).getInvited().contains(target) || fightTeam.getInvited().contains(target)) {
-            FightSystem.getMessage().sendPrefixless("ALREADY_INVITED", p, ChatMessageType.ACTION_BAR, target.getName());
-            return;
-        }
-
-        FightSystem.getMessage().sendPrefixless("INVITATION_SENT", p, ChatMessageType.ACTION_BAR, target.getName());
-        fightTeam.getInvited().add(target);
-        GUI.invitation(p, target);
-    }
-
     static void kick(Player p, String kicked){
         if(checkSetup(p))
             return;

FightSystem_Core/src/de/steamwar/fightsystem/commands/DeclineCommand.java

@@ -20,12 +20,12 @@
 package de.steamwar.fightsystem.commands;
 
 import de.steamwar.fightsystem.ArenaMode;
+import de.steamwar.fightsystem.fight.JoinRequest;
 import de.steamwar.fightsystem.states.FightState;
 import de.steamwar.fightsystem.states.StateDependentCommand;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandExecutor;
 import org.bukkit.command.CommandSender;
-import org.bukkit.entity.Player;
 
 public class DeclineCommand implements CommandExecutor {
 
@@ -35,12 +35,7 @@ public class DeclineCommand implements CommandExecutor {
 
     @Override
     public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
-        if(!(sender instanceof Player)) {
-            return false;
-        }
-        Player player = (Player) sender;
-
-        Commands.declineInvitation(player);
+        AcceptCommand.onJoinRequest(sender, args, "DECLINE_USAGE", JoinRequest::decline);
         return false;
     }
 }

FightSystem_Core/src/de/steamwar/fightsystem/commands/GUI.java

@@ -21,10 +21,7 @@ package de.steamwar.fightsystem.commands;
 
 import de.steamwar.fightsystem.Config;
 import de.steamwar.fightsystem.FightSystem;
-import de.steamwar.fightsystem.fight.Fight;
-import de.steamwar.fightsystem.fight.FightPlayer;
-import de.steamwar.fightsystem.fight.FightTeam;
-import de.steamwar.fightsystem.fight.Kit;
+import de.steamwar.fightsystem.fight.*;
 import de.steamwar.fightsystem.listener.PersonalKitCreator;
 import de.steamwar.fightsystem.states.FightState;
 import de.steamwar.inventory.*;
@@ -47,23 +44,23 @@ public class GUI {
 
     private static final Message msg = FightSystem.getMessage();
 
-    static void invitation(Player p, Player target){
-        SWInventory inv = new SWInventory(target, 9, msg.parse("INVITATION_TITLE", target, p.getName()));
-        inv.setItem(0, SWItem.getDye(10), (byte)10, msg.parse("INVITATION_ACCEPT", target), (ClickType click) ->{
-            Commands.acceptInvitation(target);
-            target.closeInventory();
+    private static void addTeamRequest(Player p, SWInventory inv, int pos, FightTeam team) {
+        int colorCode = team.getColor().ordinal();
+        inv.setItem(pos, SWItem.getDye(colorCode), (byte)colorCode, msg.parse("JOIN_REQUEST_TEAM", p, team.getColoredName()), click -> {
+            p.closeInventory();
+            new JoinRequest(p, team);
         });
-        inv.setItem(8, SWItem.getDye(1), (byte)1, msg.parse("INVITATION_DECLINE", target), (ClickType click) ->{
-            Commands.declineInvitation(target);
-            target.closeInventory();
-        });
-        inv.addCloseCallback((ClickType click) ->{
-            if(Fight.getInvitedTeam(target) != null){
-                msg.sendPrefixless("INVITATION_CHAT_ACCEPT", target);
-                msg.sendPrefixless("INVITATION_CHAT_DECLINE", target);
     }
-        });
-        inv.setCallback(-999, (ClickType click) -> target.closeInventory());
+
+    public static void joinRequest(Player p) {
+        if(JoinRequest.get(p) != null) {
+            msg.sendPrefixless("JOIN_REQUEST_ALREADY", p, ChatMessageType.ACTION_BAR);
+            return;
+        }
+
+        SWInventory inv = new SWInventory(p, 9, msg.parse("JOIN_REQUEST_TITLE", p));
+        addTeamRequest(p, inv, 0, Fight.getBlueTeam());
+        addTeamRequest(p, inv, 8, Fight.getRedTeam());
         inv.open();
     }
 
@@ -84,12 +81,11 @@ public class GUI {
         inv.open();
     }
 
-    public static void chooseInvitation(Player p){
-        List<SWListInv.SWListEntry<UUID>> players = SWListInv.createPlayerList(p.getUniqueId());
-        players.removeIf(swItemUUIDPair -> Fight.getFightPlayer(Bukkit.getPlayer(swItemUUIDPair.getObject())) != null);
-        SWListInv<UUID> inv = new SWListInv<>(p, msg.parse("INVITE_TITLE", p), players, (ClickType click, UUID player) -> {
-            Commands.invite(p, SteamwarUser.get(player).getUserName());
+    public static void chooseJoinRequests(Player p){
+        List<SWListInv.SWListEntry<Player>> players = JoinRequest.openRequests(Fight.getPlayerTeam(p));
+        SWListInv<Player> inv = new SWListInv<>(p, msg.parse("REQUESTS_TITLE", p), players, (ClickType click, Player player) -> {
             p.closeInventory();
+            AcceptCommand.onJoinRequest(p, player, click.isLeftClick() ? JoinRequest::accept : JoinRequest::decline);
         });
         inv.setCallback(-999, (ClickType click) -> p.closeInventory());
         inv.open();

FightSystem_Core/src/de/steamwar/fightsystem/commands/InviteCommand.java

@@ -1,52 +0,0 @@
-/* 
-    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.commands;
-
-import de.steamwar.fightsystem.ArenaMode;
-import de.steamwar.fightsystem.FightSystem;
-import de.steamwar.fightsystem.states.FightState;
-import de.steamwar.fightsystem.states.StateDependentCommand;
-import org.bukkit.command.Command;
-import org.bukkit.command.CommandExecutor;
-import org.bukkit.command.CommandSender;
-import org.bukkit.entity.Player;
-
-public class InviteCommand implements CommandExecutor {
-
-    public InviteCommand() {
-        new StateDependentCommand(ArenaMode.VariableTeams, FightState.Setup, "invite", this);
-    }
-
-    @Override
-    public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
-        if(!(sender instanceof Player)) {
-            return false;
-        }
-        Player player = (Player) sender;
-
-        if(args.length != 1){
-            FightSystem.getMessage().sendPrefixless("INVITE_HELP", player);
-            return false;
-        }
-
-        Commands.invite(player, args[0]);
-        return false;
-    }
-}

FightSystem_Core/src/de/steamwar/fightsystem/countdown/EnternCountdown.java

@@ -25,17 +25,32 @@ import de.steamwar.fightsystem.fight.FightPlayer;
 import de.steamwar.fightsystem.utils.Message;
 import de.steamwar.fightsystem.utils.SWSound;
 import de.steamwar.fightsystem.utils.TechHider;
+import de.steamwar.fightsystem.winconditions.Wincondition;
 import net.md_5.bungee.api.ChatMessageType;
 
 import java.util.List;
 
 public class EnternCountdown extends Countdown {
 
+    private static int calcTime(FightPlayer fp) {
+        int time = Config.EnterStages.get(fp.getKit().getEnterStage());
+
+        Countdown countdown = Wincondition.getTimeOverCountdown();
+        if(countdown != null) {
+            time -= Config.TimeoutTime - countdown.getTimeLeft();
+
+            if(time < 0)
+                time = 0;
+        }
+
+        return time;
+    }
+
     private final FightPlayer fightPlayer;
     private List<TechHider.ChunkPos> chunkPos;
 
     public EnternCountdown(FightPlayer fp) {
-        super(Config.EnterStages.get(fp.getKit().getEnterStage()), new Message("ENTERN_COUNTDOWN"), SWSound.BLOCK_NOTE_PLING, false);
+        super(calcTime(fp), new Message("ENTERN_COUNTDOWN"), SWSound.BLOCK_NOTE_PLING, false);
         fightPlayer = fp;
         enable();
     }

FightSystem_Core/src/de/steamwar/fightsystem/fight/Fight.java

@@ -63,14 +63,6 @@ public class Fight {
         throw new IllegalArgumentException();
     }
 
-    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);

FightSystem_Core/src/de/steamwar/fightsystem/fight/FightPlayer.java

@@ -48,13 +48,18 @@ public class FightPlayer {
         kills = 0;
     }
 
+    public void revive() {
+        isOut = false;
+    }
+
     public void setOut() {
         isOut = true;
         stopEnternCountdown();
     }
 
-    public void setEnternCountdown(EnternCountdown countdown){
-        enternCountdown = countdown;
+    public void startEnternCountdown() {
+        if(Config.EnterStages.size() > kit.getEnterStage() && kit.getEnterStage() >= 0)
+            enternCountdown = new EnternCountdown(this);
     }
 
     public void stopEnternCountdown(){

FightSystem_Core/src/de/steamwar/fightsystem/fight/FightTeam.java

@@ -64,7 +64,7 @@ public class FightTeam {
         setKitButton(notReadyKit, true);
 
         if(!ArenaMode.RankedEvent.contains(Config.mode)){
-            notReadyKit.setItem(2, "INVITE_PLAYERS", new ItemBuilder(Material.PAPER).removeAllAttributes().build(), GUI::chooseInvitation);
+            notReadyKit.setItem(2, "REQUESTS", new ItemBuilder(Material.PAPER).removeAllAttributes().build(), GUI::chooseJoinRequests);
             notReadyKit.setItem(3, "REMOVE_PLAYERS", new ItemBuilder(SWItem.getMaterial("FIREWORK_CHARGE")).removeAllAttributes().build(), GUI::chooseRemove);
         }
 
@@ -88,7 +88,6 @@ public class FightTeam {
     private int schemRank;
 
     private final Map<Player, FightPlayer> players = new HashMap<>();
-    private final Set<Player> invited = new HashSet<>();
 
     private String name;
     private String prefix;
@@ -198,7 +197,6 @@ public class FightTeam {
         skip = false;
         ready = false;
         schematic.reset();
-        invited.clear();
 
         Set<Player> playerSet = new HashSet<>(players.keySet());
         for(Player player : playerSet){
@@ -243,20 +241,28 @@ public class FightTeam {
         addMember(player, false);
     }
 
-    public void addMember(Player player, boolean silent) {
+    private void addMember(Player player, boolean silent) {
         final List<TechHider.ChunkPos> chunksToReload = TechHider.prepareChunkReload(player, false);
-        FightPlayer fightPlayer = new FightPlayer(player, this);
+        FightPlayer fightPlayer = getFightPlayer(player) != null ? getFightPlayer(player) : new FightPlayer(player, this);
+        fightPlayer.revive();
         players.put(player, fightPlayer);
-        invited.remove(player);
         team.addEntry(player.getName());
 
-        Fight.setPlayerGamemode(player, GameMode.SURVIVAL);
         player.setHealth(20);
         player.setFoodLevel(20);
         player.getInventory().clear();
         BountifulWrapper.impl.setAttackSpeed(player);
         player.teleport(spawn);
-        memberKit.loadToPlayer(player);
+
+        if(FightState.Spectate.contains(FightState.getFightState())) {
+            Fight.setPlayerGamemode(player, GameMode.SPECTATOR);
+        } else {
+            Fight.setPlayerGamemode(player, GameMode.SURVIVAL);
+            (FightState.ingame() ? fightPlayer.getKit() : memberKit).loadToPlayer(player);
+        }
+        if(FightState.Running.contains(FightState.getFightState()))
+            fightPlayer.startEnternCountdown();
+
         GlobalRecorder.getInstance().playerJoins(player);
         TechHider.reloadChunks(player, chunksToReload, false);
 
@@ -286,6 +292,7 @@ public class FightTeam {
 
         if(player.isOnline()){
             TechHider.reloadChunks(player, chunksToReload, true);
+            HotbarKit.spectatorKit.loadToPlayer(player);
         }
     }
 
@@ -414,10 +421,6 @@ public class FightTeam {
         }
     }
 
-    public Set<Player> getInvited() {
-        return invited;
-    }
-
     public String getName() {
         return name;
     }

FightSystem_Core/src/de/steamwar/fightsystem/fight/HotbarKit.java

@@ -23,9 +23,12 @@ import de.steamwar.core.Core;
 import de.steamwar.fightsystem.ArenaMode;
 import de.steamwar.fightsystem.Config;
 import de.steamwar.fightsystem.FightSystem;
+import de.steamwar.fightsystem.commands.GUI;
 import de.steamwar.fightsystem.listener.PersonalKitCreator;
 import de.steamwar.fightsystem.states.FightState;
 import de.steamwar.fightsystem.states.StateDependentListener;
+import de.steamwar.fightsystem.utils.ItemBuilder;
+import org.bukkit.Material;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
@@ -42,6 +45,12 @@ import java.util.function.Consumer;
 
 public class HotbarKit extends Kit {
 
+    public static final HotbarKit spectatorKit = new HotbarKit();
+    static {
+        for(int i = 0; i < 9; i++)
+            spectatorKit.setItem(i, "JOIN_REQUEST", new ItemBuilder(Material.PAPER).removeAllAttributes().build(), GUI::joinRequest);
+    }
+
     private static final int HOTBAR_SIZE = 9;
 
     private final String[] nameTags;
@@ -82,7 +91,7 @@ public class HotbarKit extends Kit {
     public static class HotbarKitListener implements Listener {
 
         public HotbarKitListener() {
-            new StateDependentListener(ArenaMode.AntiReplay, FightState.Setup, this);
+            new StateDependentListener(ArenaMode.AntiReplay, FightState.All, this);
         }
 
         @EventHandler

FightSystem_Core/src/de/steamwar/fightsystem/fight/JoinRequest.java

@@ -0,0 +1,88 @@
+/*
+    This file is a part of the SteamWar software.
+
+    Copyright (C) 2022  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.fight;
+
+import de.steamwar.fightsystem.FightSystem;
+import de.steamwar.fightsystem.states.FightState;
+import de.steamwar.inventory.SWItem;
+import de.steamwar.inventory.SWListInv;
+import net.md_5.bungee.api.ChatMessageType;
+import org.bukkit.entity.Player;
+
+import java.util.*;
+import java.util.stream.Collectors;
+
+public class JoinRequest {
+
+    private static final Map<Player, JoinRequest> activeRequests = new HashMap<>();
+
+    public static List<SWListInv.SWListEntry<Player>> openRequests(FightTeam team) {
+        //TODO set lore
+        return activeRequests.values().stream().filter(request -> request.waitOnApproval.contains(team)).map(request -> new SWListInv.SWListEntry<>(SWItem.getPlayerSkull(request.player), request.player)).collect(Collectors.toList());
+    }
+
+    public static void clearRequests() {
+        //TODO notify players
+        activeRequests.forEach((player, joinRequest) -> {
+
+        });
+        activeRequests.clear();
+    }
+
+    public static JoinRequest get(Player player) {
+        return activeRequests.get(player);
+    }
+
+    private final Player player;
+    private final FightTeam team;
+    private final Set<FightTeam> waitOnApproval;
+
+    public JoinRequest(Player player, FightTeam team) {
+        this.player = player;
+        this.team = team;
+        this.waitOnApproval = new HashSet<>(FightState.ingame() ? Fight.teams() : Collections.singleton(team));
+        //TODO send request out
+
+        activeRequests.put(player, new JoinRequest(player, team));
+    }
+
+    public boolean required(FightTeam decider) {
+        return waitOnApproval.contains(decider);
+    }
+
+    public void accept(FightTeam acceptor) {
+        waitOnApproval.remove(acceptor);
+
+        if(waitOnApproval.isEmpty()) {
+            team.addMember(player);
+            activeRequests.remove(player);
+        }
+    }
+
+    public void decline() {
+        FightSystem.getMessage().sendPrefixless("YOUR_REQUEST_DECLINED", player, ChatMessageType.ACTION_BAR);
+        waitOnApproval.forEach(t -> t.broadcast("REQUEST_DECLINED", player.getName()));
+        silentDecline();
+    }
+
+    public void silentDecline() {
+        activeRequests.remove(player);
+    }
+}

FightSystem_Core/src/de/steamwar/fightsystem/listener/JoinRequestListener.java

@@ -0,0 +1,63 @@
+/*
+    This file is a part of the SteamWar software.
+
+    Copyright (C) 2022  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.listener;
+
+import de.steamwar.fightsystem.ArenaMode;
+import de.steamwar.fightsystem.Config;
+import de.steamwar.fightsystem.FightSystem;
+import de.steamwar.fightsystem.fight.Fight;
+import de.steamwar.fightsystem.fight.HotbarKit;
+import de.steamwar.fightsystem.fight.JoinRequest;
+import de.steamwar.fightsystem.states.FightState;
+import de.steamwar.fightsystem.states.OneShotStateDependent;
+import de.steamwar.fightsystem.states.StateDependentListener;
+import org.bukkit.Bukkit;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.EventPriority;
+import org.bukkit.event.Listener;
+import org.bukkit.event.player.PlayerJoinEvent;
+import org.bukkit.event.player.PlayerQuitEvent;
+
+public class JoinRequestListener implements Listener {
+
+    public JoinRequestListener() {
+        new OneShotStateDependent(ArenaMode.VariableTeams, FightState.PreLeaderSetup, () -> Bukkit.getScheduler().runTask(FightSystem.getPlugin(), JoinRequest::clearRequests));
+        new OneShotStateDependent(ArenaMode.VariableTeams, FightState.PreRunning, () -> Bukkit.getScheduler().runTask(FightSystem.getPlugin(), JoinRequest::clearRequests));
+
+        new StateDependentListener(ArenaMode.VariableTeams, FightState.All, this);
+    }
+
+    @EventHandler(priority = EventPriority.HIGH)
+    public void onJoin(PlayerJoinEvent event) {
+        Player player = event.getPlayer();
+
+        if (!Config.ArenaLeaveable && !Fight.fighting(player)) {
+            HotbarKit.spectatorKit.loadToPlayer(player);
+        }
+    }
+
+    @EventHandler
+    public void onLeave(PlayerQuitEvent event) {
+        JoinRequest request = JoinRequest.get(event.getPlayer());
+        if(request != null)
+            request.silentDecline();
+    }
+}

FightSystem_Core/src/de/steamwar/fightsystem/utils/EnterHandler.java

@@ -19,8 +19,6 @@
 
 package de.steamwar.fightsystem.utils;
 
-import de.steamwar.fightsystem.Config;
-import de.steamwar.fightsystem.countdown.EnternCountdown;
 import de.steamwar.fightsystem.fight.Fight;
 import de.steamwar.fightsystem.fight.FightPlayer;
 import de.steamwar.fightsystem.fight.FightTeam;
@@ -53,8 +51,7 @@ public class EnterHandler implements IStateDependent {
 
     private void registerTeam(FightTeam team){
         for(FightPlayer fp : team.getPlayers()){
-            if(Config.EnterStages.size() > fp.getKit().getEnterStage() && fp.getKit().getEnterStage() >= 0)
-                fp.setEnternCountdown(new EnternCountdown(fp));
+            fp.startEnternCountdown();
         }
     }
 

FightSystem_Core/src/plugin.yml

@@ -15,7 +15,6 @@ commands:
   accept:
   decline:
   leave:
-  invite:
   ready:
   kit:
   remove: