Add AutoShutdownListener

BauSystem_Main/src/de/steamwar/bausystem/features/world/AFKStopperListener.java

@@ -29,13 +29,13 @@ import org.bukkit.event.Listener;
 import org.bukkit.event.player.PlayerMoveEvent;
 
 @Linked(LinkageType.LISTENER)
-public class AFKStopper implements Listener {
+public class AFKStopperListener implements Listener {
 
     private static final String afkWarning = BauSystem.PREFIX + "§cDieser Server wird bei weiterer Inaktivität in einer Minute gestoppt";
 
     private int minutesAfk;
 
-    public AFKStopper() {
+    public AFKStopperListener() {
         minutesAfk = 0;
         Bukkit.getPluginManager().registerEvents(this, BauSystem.getInstance());
         Bukkit.getScheduler().runTaskTimer(BauSystem.getInstance(), () -> {

BauSystem_Main/src/de/steamwar/bausystem/features/world/AutoShutdownListener.java

@@ -0,0 +1,90 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2021  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.bausystem.features.world;
+
+import de.steamwar.bausystem.BauSystem;
+import de.steamwar.bausystem.features.tpslimit.TPSLimitUtils;
+import de.steamwar.bausystem.linkage.LinkageType;
+import de.steamwar.bausystem.linkage.Linked;
+import de.steamwar.core.Core;
+import de.steamwar.scoreboard.SWScoreboard;
+import org.bukkit.Bukkit;
+import org.bukkit.GameRule;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.player.PlayerLoginEvent;
+import org.bukkit.event.player.PlayerQuitEvent;
+import org.bukkit.scheduler.BukkitTask;
+
+import java.util.logging.Level;
+
+@Linked(LinkageType.LISTENER)
+public class AutoShutdownListener implements Listener {
+
+    private BukkitTask autoShutdown;
+
+    @EventHandler
+    public void onJoin(PlayerLoginEvent e) {
+        if (autoShutdown != null) {
+            autoShutdown.cancel();
+            autoShutdown = null;
+        }
+
+        Player p = e.getPlayer();
+        p.setOp(true);
+
+        if (Core.getVersion() == 15) {
+            Bukkit.getWorlds().get(0).setGameRule(GameRule.REDUCED_DEBUG_INFO, false);
+        }
+    }
+
+    @EventHandler
+    public void onLeave(PlayerQuitEvent e) {
+        Player p = e.getPlayer();
+        SWScoreboard.removeScoreboard(p);
+        if (Bukkit.getOnlinePlayers().isEmpty() || (Bukkit.getOnlinePlayers().size() == 1 && Bukkit.getOnlinePlayers().contains(p))) {
+            if (autoShutdown != null) {
+                autoShutdown.cancel();
+            }
+            TPSLimitUtils.setTPS(20.0);
+            autoShutdown = Bukkit.getScheduler().runTaskTimer(BauSystem.getInstance(), new Runnable() {
+                int count = 0;
+
+                @Override
+                public void run() {
+                    if (count >= 300) {
+                        Bukkit.shutdown();
+                        return;
+                    }
+                    count++;
+                    try {
+                        if (RamUsage.getUsage() > 0.8) {
+                            Bukkit.shutdown();
+                        }
+                    } catch (Throwable throwable) {
+                        Bukkit.getLogger().log(Level.WARNING, throwable.getMessage(), throwable);
+                        Bukkit.shutdown();
+                    }
+                }
+            }, 20, 20);
+        }
+    }
+}

BauSystem_Main/src/de/steamwar/bausystem/features/world/RamUsage.java

@@ -17,7 +17,7 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-package de.steamwar.bausystem.utils;
+package de.steamwar.bausystem.features.world;
 
 import lombok.experimental.UtilityClass;
 import org.bukkit.Bukkit;