updated InventoryTrackerListener to monitor InventoryOpenEvent with high priority and prevent processing of cancelled events

Reviewed-on: #10
Reviewed-by: Elias Müller <elias@elias-mueller.com>

common/src/main/java/eu/mhsl/craftattack/spawn/common/appliances/metaGameplay/report/Report.java

@@ -16,6 +16,7 @@ import net.kyori.adventure.text.format.NamedTextColor;
 import org.bukkit.Bukkit;
 import org.bukkit.OfflinePlayer;
 import org.bukkit.entity.Player;
+import org.bukkit.event.Listener;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
@@ -178,6 +179,13 @@ public class Report extends Appliance {
         issuer.sendMessage(component.build());
     }
 
+    @Override
+    protected @NotNull List<Listener> listeners() {
+        return List.of(
+            new ReportCreatedListener()
+        );
+    }
+
     @Override
     @NotNull
     protected List<ApplianceCommand<?>> commands() {

common/src/main/java/eu/mhsl/craftattack/spawn/common/appliances/metaGameplay/report/ReportCreatedListener.java

@@ -0,0 +1,26 @@
+package eu.mhsl.craftattack.spawn.common.appliances.metaGameplay.report;
+
+import eu.mhsl.craftattack.spawn.core.appliance.ApplianceListener;
+import eu.mhsl.craftattack.spawn.core.event.ReportCreatedEvent;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.format.NamedTextColor;
+import org.bukkit.Bukkit;
+import org.bukkit.OfflinePlayer;
+import org.bukkit.event.EventHandler;
+
+public class ReportCreatedListener extends ApplianceListener<Report> {
+    @EventHandler
+    public void onReport(ReportCreatedEvent event) {
+        OfflinePlayer reporter = Bukkit.getOfflinePlayer(event.getReport().reporter());
+        OfflinePlayer reported = Bukkit.getOfflinePlayer(event.getReport().reported());
+
+        Component message = Component.text(
+            "\uD83D\uDD14 Neuer Report von %s gegen %s: %s".formatted(reporter.getName(), reported.getName(), event.getReport().reason()),
+            NamedTextColor.YELLOW
+        );
+
+        Bukkit.getOnlinePlayers().stream()
+            .filter(player -> player.hasPermission("admin"))
+            .forEach(player -> player.sendMessage(message));
+    }
+}

common/src/main/java/eu/mhsl/craftattack/spawn/common/appliances/security/antiBoatFreecam/AntiBoatFreecam.java

@@ -5,15 +5,10 @@ import eu.mhsl.craftattack.spawn.core.Main;
 import eu.mhsl.craftattack.spawn.core.appliance.Appliance;
 import org.bukkit.Bukkit;
 import org.bukkit.entity.Boat;
-import org.bukkit.entity.Player;
-
-import java.util.HashMap;
-import java.util.Map;
 
 @SuppressWarnings("unused")
 public class AntiBoatFreecam extends Appliance {
     private static final float MAX_YAW_OFFSET = 106.0f;
-    private final Map<Player, Float> violatedPlayers = new HashMap<>();
 
     public AntiBoatFreecam() {
         Bukkit.getScheduler().runTaskTimerAsynchronously(
@@ -27,14 +22,12 @@ public class AntiBoatFreecam extends Appliance {
                 float yawDelta = wrapDegrees(playerYaw - boatYaw);
                 if(Math.abs(yawDelta) <= MAX_YAW_OFFSET) return;
 
-                this.violatedPlayers.merge(player, 1f, Float::sum);
-                float violationCount = this.violatedPlayers.get(player);
-                if(violationCount != 1 && violationCount % 100 != 0) return;
-                Main.instance().getAppliance(AcInform.class).notifyAdmins(
+                Main.instance().getAppliance(AcInform.class).slowedNotifyAdmins(
                     "internal",
                     player.getName(),
                     "illegalBoatLookYaw",
-                    violationCount
+                    yawDelta,
+                    3000
                 );
             }),
             1L,

common/src/main/java/eu/mhsl/craftattack/spawn/common/appliances/security/antiInventoryMove/AntiInventoryMove.java

@@ -0,0 +1,39 @@
+package eu.mhsl.craftattack.spawn.common.appliances.security.antiInventoryMove;
+
+import eu.mhsl.craftattack.spawn.core.appliance.Appliance;
+import net.kyori.adventure.util.Ticks;
+import org.bukkit.entity.Player;
+import org.bukkit.event.Listener;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.List;
+import java.util.Map;
+import java.util.UUID;
+import java.util.concurrent.ConcurrentHashMap;
+
+@Appliance.Flags(enabled = false)
+public class AntiInventoryMove extends Appliance {
+    private static final long errorTimeMargin = Ticks.SINGLE_TICK_DURATION_MS * 2;
+
+    private final Map<UUID, Long> invOpen = new ConcurrentHashMap<>();
+
+    public void setInvOpen(Player player, boolean open) {
+        if(open)
+            this.invOpen.put(player.getUniqueId(), System.currentTimeMillis());
+        else
+            this.invOpen.remove(player.getUniqueId());
+    }
+
+    public boolean hasInventoryOpen(Player player) {
+        if(!this.invOpen.containsKey(player.getUniqueId())) return false;
+        return this.invOpen.get(player.getUniqueId()) < System.currentTimeMillis() - errorTimeMargin;
+    }
+
+    @Override
+    protected @NotNull List<Listener> listeners() {
+        return List.of(
+            new InventoryTrackerListener(),
+            new InInventoryMoveListener()
+        );
+    }
+}

common/src/main/java/eu/mhsl/craftattack/spawn/common/appliances/security/antiInventoryMove/InInventoryMoveListener.java

@@ -0,0 +1,21 @@
+package eu.mhsl.craftattack.spawn.common.appliances.security.antiInventoryMove;
+
+import eu.mhsl.craftattack.spawn.common.appliances.tooling.acInform.AcInform;
+import eu.mhsl.craftattack.spawn.core.Main;
+import eu.mhsl.craftattack.spawn.core.appliance.ApplianceListener;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.player.PlayerInputEvent;
+
+class InInventoryMoveListener extends ApplianceListener<AntiInventoryMove> {
+    @EventHandler
+    public void onInput(PlayerInputEvent event) {
+        if(!this.getAppliance().hasInventoryOpen(event.getPlayer())) return;
+        Main.instance().getAppliance(AcInform.class).slowedNotifyAdmins(
+            "internal",
+            event.getPlayer().getName(),
+            "inInventoryMove",
+            -1f,
+            3000
+        );
+    }
+}

common/src/main/java/eu/mhsl/craftattack/spawn/common/appliances/security/antiInventoryMove/InventoryTrackerListener.java

@@ -0,0 +1,23 @@
+package eu.mhsl.craftattack.spawn.common.appliances.security.antiInventoryMove;
+
+import eu.mhsl.craftattack.spawn.core.appliance.ApplianceListener;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.EventPriority;
+import org.bukkit.event.inventory.InventoryCloseEvent;
+import org.bukkit.event.inventory.InventoryOpenEvent;
+
+class InventoryTrackerListener extends ApplianceListener<AntiInventoryMove> {
+    @EventHandler(priority = EventPriority.MONITOR)
+    public void onOpen(InventoryOpenEvent event) {
+        if(!(event.getPlayer() instanceof Player player)) return;
+        if(event.isCancelled()) return;
+        this.getAppliance().setInvOpen(player, true);
+    }
+
+    @EventHandler
+    public void onClose(InventoryCloseEvent event) {
+        if(!(event.getPlayer() instanceof Player player)) return;
+        this.getAppliance().setInvOpen(player, false);
+    }
+}

common/src/main/java/eu/mhsl/craftattack/spawn/common/appliances/tooling/acInform/AcInform.java

@@ -11,14 +11,20 @@ import org.bukkit.Bukkit;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
+import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
 
 public class AcInform extends Appliance {
+    private final Map<String, Map<String, Long>> violationSlowdowns = new ConcurrentHashMap<>();
+
     public void processCommand(@NotNull String[] args) {
         String anticheatName = null;
         String playerName = null;
         String checkName = null;
         Float violationCount = null;
+        int notifyEvery = 0;
 
         for(int i = 0; i < args.length; i++) {
             if(!args[i].startsWith("--")) continue;
@@ -36,13 +42,32 @@ public class AcInform extends Appliance {
                 case "--playerName" -> playerName = value;
                 case "--check" -> checkName = value;
                 case "--violationCount" -> violationCount = value.isEmpty() ? null : Float.valueOf(value);
+                case "--notifyEvery" -> notifyEvery = Integer.parseInt(value);
             }
         }
 
+        if(notifyEvery == 0) {
+            this.notifyAdmins(anticheatName, playerName, checkName, violationCount);
+        } else {
+            this.slowedNotifyAdmins(anticheatName, playerName, checkName, violationCount, notifyEvery);
+        }
+    }
+
+    public void slowedNotifyAdmins(@Nullable String anticheatName, @Nullable String playerName, @Nullable String checkName, @Nullable Float violationCount, int notifyEvery) {
+        this.violationSlowdowns.putIfAbsent(playerName, new HashMap<>());
+
+        var slowdowns = this.violationSlowdowns.get(playerName);
+        if(slowdowns.containsKey(checkName)) {
+            if(slowdowns.get(checkName) > System.currentTimeMillis() - notifyEvery) return;
+        }
+
         this.notifyAdmins(anticheatName, playerName, checkName, violationCount);
     }
 
     public void notifyAdmins(@Nullable String anticheatName, @Nullable String playerName, @Nullable String checkName, @Nullable Float violationCount) {
+        this.violationSlowdowns.putIfAbsent(playerName, new HashMap<>());
+        this.violationSlowdowns.get(playerName).put(checkName, System.currentTimeMillis());
+
         ComponentBuilder<TextComponent, TextComponent.Builder> component = Component.text();
         NamedTextColor textColor = NamedTextColor.GRAY;
 
@@ -85,28 +110,42 @@ public class AcInform extends Appliance {
             Component.newline()
                 .append(Component.text("⊥ ", NamedTextColor.GRAY))
                 .append(Component.text("[", NamedTextColor.GRAY))
-                .append(Component.text("Report", NamedTextColor.GOLD))
+                .append(Component.text("\uD83D\uDCD6", NamedTextColor.GOLD))
                 .append(Component.text("]", NamedTextColor.GRAY))
                 .clickEvent(ClickEvent.suggestCommand(String.format("/report %s anticheat %s flagged %s", playerName, anticheatName, checkName)))
         );
 
         component.append(
             Component.text(" [", NamedTextColor.GRAY)
-                .append(Component.text("Kick", NamedTextColor.GOLD))
+                .append(Component.text("\u23F1", NamedTextColor.GOLD))
                 .append(Component.text("]", NamedTextColor.GRAY))
                 .clickEvent(ClickEvent.suggestCommand(String.format("/kick %s", playerName)))
         );
 
         component.append(
             Component.text(" [", NamedTextColor.GRAY)
-                .append(Component.text("Panic Ban", NamedTextColor.GOLD))
+                .append(Component.text("\uD83E\uDDB6", NamedTextColor.GOLD))
+                .append(Component.text("]", NamedTextColor.GRAY))
+                .clickEvent(ClickEvent.suggestCommand(String.format("/kickunsuspected %s", playerName)))
+        );
+
+        component.append(
+            Component.text(" [", NamedTextColor.GRAY)
+                .append(Component.text("\u2623", NamedTextColor.GOLD))
+                .append(Component.text("]", NamedTextColor.GRAY))
+                .clickEvent(ClickEvent.suggestCommand(String.format("/kickcrash %s", playerName)))
+        );
+
+        component.append(
+            Component.text(" [", NamedTextColor.GRAY)
+                .append(Component.text("\uD83D\uDD12", NamedTextColor.GOLD))
                 .append(Component.text("]", NamedTextColor.GRAY))
                 .clickEvent(ClickEvent.suggestCommand(String.format("/panicban %s", playerName)))
         );
 
         component.append(
             Component.text(" [", NamedTextColor.GRAY)
-                .append(Component.text("Spectate/Teleport", NamedTextColor.GOLD))
+                .append(Component.text("\uD83D\uDC41", NamedTextColor.GOLD))
                 .append(Component.text("]", NamedTextColor.GRAY))
                 .clickEvent(ClickEvent.suggestCommand(String.format("/grim spectate %s", playerName)))
         );

common/src/main/java/eu/mhsl/craftattack/spawn/common/appliances/tooling/kick/Kick.java

@@ -1,9 +1,14 @@
 package eu.mhsl.craftattack.spawn.common.appliances.tooling.kick;
 
+import eu.mhsl.craftattack.spawn.core.Main;
 import eu.mhsl.craftattack.spawn.core.appliance.Appliance;
 import eu.mhsl.craftattack.spawn.core.appliance.ApplianceCommand;
+import eu.mhsl.craftattack.spawn.core.util.entity.PlayerUtils;
 import eu.mhsl.craftattack.spawn.core.util.text.DisconnectInfo;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.util.Ticks;
 import org.bukkit.Bukkit;
+import org.bukkit.Material;
 import org.bukkit.entity.Player;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
@@ -25,9 +30,36 @@ public class Kick extends Appliance {
         ).applyKick(player);
     }
 
+    public void unsuspectedKick(@NotNull String playerName) {
+        Player player = Bukkit.getPlayer(playerName);
+
+        if(player == null)
+            throw new ApplianceCommand.Error("Player not found");
+
+        String material = Material.values()[(int)(Math.random() * Material.values().length)].name();
+        player.kick(Component.text("java.lang.IllegalStateException: Failed to create model for minecraft:%s".formatted(material)));
+    }
+
+    public void crashKick(@NotNull String playerName) {
+        Player player = Bukkit.getPlayer(playerName);
+
+        if(player == null)
+            throw new ApplianceCommand.Error("Player not found");
+
+        Bukkit.getScheduler().runTaskAsynchronously(Main.instance(), () -> {
+            PlayerUtils.sendCube(player, 100, Material.ENCHANTING_TABLE.createBlockData());
+            PlayerUtils.sendCube(player, 5, Material.DIRT.createBlockData());
+        });
+        Bukkit.getScheduler().runTaskLater(Main.instance(), () -> player.kick(Component.empty()), Ticks.TICKS_PER_SECOND * 15);
+    }
+
     @Override
     @NotNull
     protected List<ApplianceCommand<?>> commands() {
-        return List.of(new KickCommand());
+        return List.of(
+            new KickCommand(),
+            new KickUnsuspectedCommand(),
+            new KickCrashCommand()
+        );
     }
 }

common/src/main/java/eu/mhsl/craftattack/spawn/common/appliances/tooling/kick/KickCrashCommand.java

@@ -0,0 +1,31 @@
+package eu.mhsl.craftattack.spawn.common.appliances.tooling.kick;
+
+import eu.mhsl.craftattack.spawn.core.appliance.ApplianceCommand;
+import org.bukkit.Bukkit;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.List;
+
+public class KickCrashCommand extends ApplianceCommand<Kick> {
+    public KickCrashCommand() {
+        super("kickCrash");
+    }
+
+    @Override
+    protected void execute(@NotNull CommandSender sender, @NotNull Command command, @NotNull String label, @NotNull String[] args) throws Exception {
+        if(args.length < 1) throw new Error("Es muss ein Spielername angegeben werden!");
+        this.getAppliance().crashKick(args[0]);
+    }
+
+    @Override
+    public @Nullable List<String> onTabComplete(@NotNull CommandSender sender, @NotNull Command command, @NotNull String label, @NotNull String[] args) {
+        return super.tabCompleteReducer(
+            Bukkit.getOnlinePlayers().stream().map(Player::getName).toList(),
+            args
+        );
+    }
+}

common/src/main/java/eu/mhsl/craftattack/spawn/common/appliances/tooling/kick/KickUnsuspectedCommand.java

@@ -0,0 +1,31 @@
+package eu.mhsl.craftattack.spawn.common.appliances.tooling.kick;
+
+import eu.mhsl.craftattack.spawn.core.appliance.ApplianceCommand;
+import org.bukkit.Bukkit;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.List;
+
+public class KickUnsuspectedCommand extends ApplianceCommand<Kick> {
+    public KickUnsuspectedCommand() {
+        super("kickUnsuspected");
+    }
+
+    @Override
+    protected void execute(@NotNull CommandSender sender, @NotNull Command command, @NotNull String label, @NotNull String[] args) throws Exception {
+        if(args.length < 1) throw new Error("Es muss ein Spielername angegeben werden!");
+        this.getAppliance().unsuspectedKick(args[0]);
+    }
+
+    @Override
+    public @Nullable List<String> onTabComplete(@NotNull CommandSender sender, @NotNull Command command, @NotNull String label, @NotNull String[] args) {
+        return super.tabCompleteReducer(
+            Bukkit.getOnlinePlayers().stream().map(Player::getName).toList(),
+            args
+        );
+    }
+}

core/src/main/java/eu/mhsl/craftattack/spawn/core/api/server/hooks/impl/WebsiteHook.java

@@ -28,14 +28,16 @@ public class WebsiteHook extends HttpHook {
             return HttpServer.nothing;
         }));
 
-        record CreatedReport(String reporter, String reported, String reason) {}
+        record CreatedReport(UUID reporter, UUID reported, String reason) {}
         this.addAction("report", new JsonAction<>(CreatedReport.class, createdReport -> {
+            Main.logger().info(String.format("New Report from Hook: (%s) Reporter: %s Reported: %s", createdReport.reason, createdReport.reporter, createdReport.reported));
             SpawnEvent.call(new ReportCreatedEvent(new ReportCreatedEvent.CreatedReport(createdReport.reporter, createdReport.reported, createdReport.reason)));
             return HttpServer.nothing;
         }));
 
         record CreatedStrike(UUID uuid) {}
         this.addAction("strike", new JsonAction<>(CreatedStrike.class, createdStrike -> {
+            Main.logger().info(String.format("New Strike from Hook! (User %s)", createdStrike.uuid));
             SpawnEvent.call(new StrikeCreatedEvent(new StrikeCreatedEvent.CreatedStrike(createdStrike.uuid)));
             return HttpServer.nothing;
         }));

core/src/main/java/eu/mhsl/craftattack/spawn/core/event/ReportCreatedEvent.java

@@ -4,6 +4,8 @@ import org.bukkit.event.Event;
 import org.bukkit.event.HandlerList;
 import org.jetbrains.annotations.NotNull;
 
+import java.util.UUID;
+
 public class ReportCreatedEvent extends Event {
     private static final HandlerList HANDLERS = new HandlerList();
     @Override
@@ -15,7 +17,7 @@ public class ReportCreatedEvent extends Event {
         return HANDLERS;
     }
 
-    public record CreatedReport(String reporter, String reported, String reason) {}
+    public record CreatedReport(UUID reporter, UUID reported, String reason) {}
 
     private final CreatedReport report;
     public ReportCreatedEvent(CreatedReport report) {

core/src/main/java/eu/mhsl/craftattack/spawn/core/util/entity/PlayerUtils.java

@@ -1,10 +1,16 @@
 package eu.mhsl.craftattack.spawn.core.util.entity;
 
+import org.bukkit.Location;
 import org.bukkit.Material;
 import org.bukkit.Statistic;
+import org.bukkit.World;
+import org.bukkit.block.data.BlockData;
 import org.bukkit.entity.EntityType;
 import org.bukkit.entity.Player;
 
+import java.util.HashMap;
+import java.util.Map;
+
 public class PlayerUtils {
     public static void resetStatistics(Player player) {
         for(Statistic statistic : Statistic.values()) {
@@ -30,4 +36,30 @@ public class PlayerUtils {
             }
         }
     }
+
+    public static void sendCube(Player player, int cubeSize, BlockData fakeBlock) {
+        Location loc = player.getLocation();
+        World world = player.getWorld();
+
+        int half = cubeSize / 2;
+        int cx = loc.getBlockX();
+        int cy = loc.getBlockY();
+        int cz = loc.getBlockZ();
+
+        int minY = world.getMinHeight();
+        int maxY = world.getMaxHeight() - 1;
+
+        Map<Location, BlockData> changes = new HashMap<>();
+
+        for (int x = cx - half; x <= cx + half; x++) {
+            for (int y = Math.max(cy - half, minY); y <= Math.min(cy + half, maxY); y++) {
+                for (int z = cz - half; z <= cz + half; z++) {
+                    changes.put(new Location(world, x, y, z), fakeBlock);
+                }
+            }
+        }
+
+        //noinspection UnstableApiUsage
+        player.sendMultiBlockChange(changes);
+    }
 }

craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/gameplay/bloodmoon/Bloodmoon.java

@@ -33,43 +33,43 @@ import java.util.concurrent.ThreadLocalRandom;
 
 @SuppressWarnings("FieldCanBeLocal")
 public class Bloodmoon extends Appliance {
-    // für alle Dimensionen? einstellbar machen?
-
-    public final Map<EntityType, Set<MobEffect>> affectedMobEffectMap = Map.of(
-        EntityType.ZOMBIE, Set.of(
+    public final Map<EntityType, Set<MobEffect>> affectedMobEffectMap = Map.ofEntries(
+        Map.entry(EntityType.ZOMBIE, Set.of(
             new MobEffect.PotionMobEffect(PotionEffectType.WITHER, 7, 1)
-        ),
-        EntityType.SKELETON, Set.of(
+        )),
+        Map.entry(EntityType.SKELETON, Set.of(
             new MobEffect.PotionMobEffect(PotionEffectType.SLOWNESS, 3.5, 1)
-        ),
-        EntityType.SPIDER, Set.of(
+        )),
+        Map.entry(EntityType.SPIDER, Set.of(
             new MobEffect.PotionMobEffect(PotionEffectType.POISON, 4, 1),
             new MobEffect.PotionMobEffect(PotionEffectType.NAUSEA, 6, 10)
-        ),
-        EntityType.CREEPER, Set.of(
+        )),
+        Map.entry(EntityType.CREEPER, Set.of(
             new MobEffect.LightningMobEffect()
-        ),
-        EntityType.HUSK, Set.of(
+        )),
+        Map.entry(EntityType.HUSK, Set.of(
             new MobEffect.PotionMobEffect(PotionEffectType.WITHER, 7, 1)
-        ),
-        EntityType.DROWNED, Set.of(
+        )),
+        Map.entry(EntityType.STRAY, Set.of()),
+        Map.entry(EntityType.DROWNED, Set.of(
             new MobEffect.PotionMobEffect(PotionEffectType.WITHER, 7, 1)
-        ),
-        EntityType.WITCH, Set.of(),
-        EntityType.ZOMBIE_VILLAGER, Set.of(
+        )),
+        Map.entry(EntityType.WITCH, Set.of()),
+        Map.entry(EntityType.ZOMBIE_VILLAGER, Set.of(
             new MobEffect.PotionMobEffect(PotionEffectType.WITHER, 7, 1)
-        ),
-        EntityType.PHANTOM, Set.of(
+        )),
+        Map.entry(EntityType.PHANTOM, Set.of(
             new MobEffect.PotionMobEffect(PotionEffectType.LEVITATION, 1.5, 3)
-        ),
-        EntityType.ENDERMAN, Set.of(
+        )),
+        Map.entry(EntityType.ENDERMAN, Set.of(
             new MobEffect.PotionMobEffect(PotionEffectType.SLOWNESS, 2.5, 2)
-        )
+        ))
     );
     public final int expMultiplier = 3;
     public final double mobDamageMultiplier = 2;
     public final double mobHealthMultiplier = 2;
 
+    private final ThreadLocalRandom random = ThreadLocalRandom.current();
     private boolean isActive = false;
     private final BossBar bossBar = BossBar.bossBar(
         Component.text("Blutmond", NamedTextColor.DARK_RED),
@@ -89,10 +89,11 @@ public class Bloodmoon extends Appliance {
         EntityType.SKELETON,
         EntityType.SPIDER
     );
-    private final Map<Player, @Nullable BukkitTask> hordeSpawnTasks = new HashMap<>();
+    private final Map<Player, @Nullable BukkitTask> hordeSpawnTasks = new WeakHashMap<>();
     private long lastBloodmoonStartTick = 0;
     public final int ticksPerDay = 24000;
     public final int bloodmoonLength = ticksPerDay/2;
+    public final int preStartMessageTicks = Ticks.TICKS_PER_SECOND * 50;
     private final int bloodmoonFreeDaysAtStart = 3;
     private final int bloodmoonStartTime = ticksPerDay/2;
     private final int bloodmoonDayInterval = 30;
@@ -145,7 +146,7 @@ public class Bloodmoon extends Appliance {
     }
 
     private int getRandomHordeSpawnDelay() {
-        return this.hordeSpawnRateTicks + ThreadLocalRandom.current().nextInt(this.hordeSpawnRateVariationTicks);
+        return this.hordeSpawnRateTicks + this.random.nextInt(this.hordeSpawnRateVariationTicks);
     }
 
     private void startHordeSpawning(int delay) {
@@ -155,7 +156,7 @@ public class Bloodmoon extends Appliance {
     private void startHordeSpawning(int delay, Player player) {
         @Nullable BukkitTask task = this.hordeSpawnTasks.get(player);
         if(task != null) task.cancel();
-        task = Bukkit.getScheduler().runTaskLater(
+        BukkitTask newTask = Bukkit.getScheduler().runTaskLater(
                 Main.instance(),
                 () -> {
                     if(!this.bloodmoonIsActive()) return;
@@ -164,7 +165,7 @@ public class Bloodmoon extends Appliance {
                 },
                 delay
         );
-        this.hordeSpawnTasks.put(player, task);
+        this.hordeSpawnTasks.put(player, newTask);
     }
 
     public void addPlayerToBossBar(Player player) {
@@ -187,9 +188,9 @@ public class Bloodmoon extends Appliance {
     public void spawnRandomHorde(Player player) {
         if(!this.hordesEnabled) return;
         if(!player.getGameMode().equals(GameMode.SURVIVAL)) return;
-        ThreadLocalRandom random = ThreadLocalRandom.current();
-        EntityType hordeEntityType = this.hordeMobList.get(random.nextInt(this.hordeMobList.size()));
-        int hordeSize = random.nextInt(this.hordeMinPopulation, this.hordeMaxPopulation + 1);
+
+        EntityType hordeEntityType = this.hordeMobList.get(this.random.nextInt(this.hordeMobList.size()));
+        int hordeSize = this.random.nextInt(this.hordeMinPopulation, this.hordeMaxPopulation + 1);
         this.spawnHorde(player, hordeSize, hordeEntityType);
     }
 
@@ -207,7 +208,7 @@ public class Bloodmoon extends Appliance {
 
     private void spawnHorde(Player player, int size, EntityType type) {
         for(int i = 0; i < size; i++) {
-            double spawnRadiant = ThreadLocalRandom.current().nextDouble(0, 2*Math.PI);
+            double spawnRadiant = this.random.nextDouble(0, 2*Math.PI);
             Location mobSpawnLocation = player.getLocation().add(
                 Math.sin(spawnRadiant)*this.hordeSpawnDistance,
                 0,
@@ -220,7 +221,7 @@ public class Bloodmoon extends Appliance {
     }
 
     public List<ItemStack> getRandomBonusDrops() {
-        int itemCount = ThreadLocalRandom.current().nextInt(this.minBonusDrops, this.maxBonusDrops + 1);
+        int itemCount = this.random.nextInt(this.minBonusDrops, this.maxBonusDrops + 1);
         List<ItemStack> result = new ArrayList<>();
         for(int i = 0; i < itemCount; i++) {
             result.add(this.getRandomBonusDrop());
@@ -228,9 +229,9 @@ public class Bloodmoon extends Appliance {
         return result;
     }
 
-    private ItemStack getRandomBonusDrop() {
+    private @Nullable ItemStack getRandomBonusDrop() {
         int totalWeight = this.bonusDropWeightMap.values().stream().mapToInt(value -> value).sum();
-        int randomInt = ThreadLocalRandom.current().nextInt(0, totalWeight + 1);
+        int randomInt = this.random.nextInt(0, totalWeight + 1);
         int cumulativeWeight = 0;
         for(Map.Entry<ItemStack, Integer> entry : this.bonusDropWeightMap.entrySet()) {
             cumulativeWeight += entry.getValue();

craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/gameplay/bloodmoon/BloodmoonSetting.java

@@ -34,7 +34,7 @@ public class BloodmoonSetting extends BoolSetting implements CategorizedSetting
 
     @Override
     protected Material icon() {
-        return Material.CLOCK;
+        return Material.SKELETON_SKULL;
     }
 
     @Override

craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/gameplay/bloodmoon/listener/BloodmoonTimeListener.java

@@ -3,6 +3,7 @@ package eu.mhsl.craftattack.spawn.craftattack.appliances.gameplay.bloodmoon.list
 import com.destroystokyo.paper.event.server.ServerTickStartEvent;
 import eu.mhsl.craftattack.spawn.core.appliance.ApplianceListener;
 import eu.mhsl.craftattack.spawn.craftattack.appliances.gameplay.bloodmoon.Bloodmoon;
+import net.kyori.adventure.util.Ticks;
 import org.bukkit.Bukkit;
 import org.bukkit.event.EventHandler;
 
@@ -18,12 +19,12 @@ public class BloodmoonTimeListener extends ApplianceListener<Bloodmoon> {
             this.getAppliance().stopBloodmoon();
             return;
         }
-        this.getAppliance().updateBossBar();
+        if(currentTime % Ticks.TICKS_PER_SECOND == 0) this.getAppliance().updateBossBar();
         if(this.getAppliance().isStartTick(currentTime + this.getAppliance().ticksPerDay)) {
             this.getAppliance().sendAnnouncementMessages();
             return;
         }
-        if(this.getAppliance().isStartTick(currentTime + 1000)) {
+        if(this.getAppliance().isStartTick(currentTime + this.getAppliance().preStartMessageTicks)) {
             this.getAppliance().sendPreStartMessages();
         }
     }

craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/gameplay/outlawed/Outlawed.java

@@ -74,11 +74,11 @@ public class Outlawed extends Appliance implements DisplayName.Prefixed {
 
     void switchLawStatus(Player player) throws OutlawChangeNotPermitted {
         if(this.getLawStatus(player).equals(Status.FORCED)) {
-            throw new OutlawChangeNotPermitted("Dein Vogelfreistatus wurde als Strafe auferlegt und kann daher nicht verändert werden.");
+            throw new OutlawChangeNotPermitted("Dein PVP-Status wurde als Strafe auferlegt und kann daher nicht verändert werden.");
         }
 
         if(this.isTimeout(player)) {
-            throw new OutlawChangeNotPermitted("Du kannst deinen Vogelfreistatus nicht so schnell wechseln. Bitte warte einige Stunden bevor du umschaltest!");
+            throw new OutlawChangeNotPermitted("Du kannst deinen PVP-Status nicht so schnell wechseln. Bitte warte einige Stunden bevor du umschaltest!");
         }
 
         this.setLawStatus(player, this.isOutlawed(player) ? Status.DISABLED : Status.VOLUNTARILY);
@@ -126,13 +126,13 @@ public class Outlawed extends Appliance implements DisplayName.Prefixed {
 
     public Component getStatusDescription(Status status) {
         return switch(status) {
-            case DISABLED -> Component.text("Vogelfreistatus inaktiv: ", NamedTextColor.GREEN)
+            case DISABLED -> Component.text("PVP-Modus inaktiv: ", NamedTextColor.GREEN)
                 .append(Component.text("Es gelten die normalen Regeln!", NamedTextColor.GOLD));
 
-            case VOLUNTARILY, FORCED -> Component.text("Vogelfreistatus aktiv: ", NamedTextColor.RED)
+            case VOLUNTARILY, FORCED -> Component.text("PVP-Modus aktiv: ", NamedTextColor.RED)
                 .append(Component.text(
-                    "Du darfst von allen anderen vogelfreien Spielern angegriffen und getötet werden!" +
-                        "Wenn du getötet wirst, müssen andere Spieler deine Items nicht zurückerstatten!",
+                    "Du darfst von allen anderen PVP-Spielern angegriffen und getötet werden!\n" +
+                        "Wenn du getötet wirst, müssen andere Spieler deine Items *nicht* zurückerstatten!",
                     NamedTextColor.GOLD
                 ));
         };
@@ -143,7 +143,7 @@ public class Outlawed extends Appliance implements DisplayName.Prefixed {
         if(this.isOutlawed(player)) {
             return Component.text("[☠]", NamedTextColor.RED)
                 .hoverEvent(HoverEvent.showText(Component.text(
-                    "Vogelfreie Spieler dürfen von anderen vogelfreien Spielern ohne Grund angegriffen werden!"
+                    "PVP-Modus Spieler dürfen von anderen vogelfreien Spielern ohne Grund angegriffen werden!"
                 )));
         }
 

craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/gameplay/outlawed/OutlawedCommand.java

@@ -8,7 +8,7 @@ import org.bukkit.command.CommandSender;
 import org.jetbrains.annotations.NotNull;
 
 class OutlawedCommand extends ApplianceCommand.PlayerChecked<Outlawed> {
-    public static final String commandName = "vogelfrei";
+    public static final String commandName = "pvp";
 
     public OutlawedCommand() {
         super(commandName);