added FingerprintData class and improved device fingerprinting logic

common/build.gradle

@@ -1,7 +1,7 @@
 dependencies {
     implementation project(':core')
 
-    compileOnly 'io.papermc.paper:paper-api:1.21.7-R0.1-SNAPSHOT'
+    compileOnly 'io.papermc.paper:paper-api:1.21.8-R0.1-SNAPSHOT'
     compileOnly 'org.geysermc.floodgate:api:2.2.4-SNAPSHOT'
     implementation 'org.apache.httpcomponents:httpclient:4.5.14'
     implementation 'com.sparkjava:spark-core:2.9.4'

common/src/main/java/eu/mhsl/craftattack/spawn/common/appliances/gameplay/cordinateDisplay/CoordinateChangedListener.java

@@ -0,0 +1,21 @@
+package eu.mhsl.craftattack.spawn.common.appliances.gameplay.cordinateDisplay;
+
+import eu.mhsl.craftattack.spawn.core.appliance.ApplianceListener;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.player.PlayerJoinEvent;
+import org.bukkit.event.player.PlayerMoveEvent;
+
+public class CoordinateChangedListener extends ApplianceListener<CoordinateDisplay> {
+    @EventHandler
+    public void onJoin(PlayerJoinEvent event) {
+        this.getAppliance().updateEnabled(event.getPlayer());
+    }
+
+    @EventHandler
+    public void onMove(PlayerMoveEvent event) {
+        if(!this.getAppliance().isEnabled(event.getPlayer())) return;
+        boolean hasChangedOrientation = this.getAppliance().hasChangedDirection(event.getFrom(), event.getTo());
+        if(!event.hasChangedBlock() && !hasChangedOrientation) return;
+        this.getAppliance().sendCoordinates(event.getPlayer());
+    }
+}

common/src/main/java/eu/mhsl/craftattack/spawn/common/appliances/gameplay/cordinateDisplay/CoordinateDisplay.java

@@ -0,0 +1,93 @@
+package eu.mhsl.craftattack.spawn.common.appliances.gameplay.cordinateDisplay;
+
+import eu.mhsl.craftattack.spawn.common.appliances.metaGameplay.settings.Settings;
+import eu.mhsl.craftattack.spawn.core.appliance.Appliance;
+import eu.mhsl.craftattack.spawn.core.util.text.DataSizeConverter;
+import eu.mhsl.craftattack.spawn.core.util.world.WorldUtils;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.format.NamedTextColor;
+import org.bukkit.Location;
+import org.bukkit.entity.Player;
+import org.bukkit.event.Listener;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.*;
+
+public class CoordinateDisplay extends Appliance {
+    Map<Player, CoordinateDisplaySetting.CoordinateDisplayConfiguration> enabledPlayers = new WeakHashMap<>();
+
+    @Override
+    public void onEnable() {
+        Settings.instance().declareSetting(CoordinateDisplaySetting.class);
+        Settings.instance().addChangeListener(CoordinateDisplaySetting.class, this::updateEnabled);
+    }
+
+    public void updateEnabled(Player player) {
+        CoordinateDisplaySetting.CoordinateDisplayConfiguration configuration = Settings.instance().getSetting(
+            player,
+            Settings.Key.CoordinateDisplay,
+            CoordinateDisplaySetting.CoordinateDisplayConfiguration.class
+        );
+        this.enabledPlayers.put(player, configuration);
+    }
+
+    public boolean isEnabled(Player player) {
+        return Optional.ofNullable(this.enabledPlayers.get(player))
+            .map(CoordinateDisplaySetting.CoordinateDisplayConfiguration::anyEnabled)
+            .orElse(false);
+    }
+
+    public void sendCoordinates(Player player) {
+        CoordinateDisplaySetting.CoordinateDisplayConfiguration config = this.enabledPlayers.get(player);
+        List<Component> components = new ArrayList<>();
+
+        if (config.coordinates()) {
+            components.add(Component.text("\uD83C\uDF0E ", NamedTextColor.GOLD));
+            components.add(Component.text(String.format(
+                "%d %d %d",
+                player.getLocation().getBlockX(),
+                player.getLocation().getBlockY(),
+                player.getLocation().getBlockZ()
+            )));
+        }
+
+        if (config.direction()) {
+            if (!components.isEmpty()) {
+                components.add(Component.text(" | ", NamedTextColor.GRAY));
+            }
+            components.add(Component.text("\uD83E\uDDED ", NamedTextColor.GOLD));
+            components.add(Component.text(DataSizeConverter.getCardinalDirection(player.getLocation())));
+        }
+
+        if (config.time()) {
+            if (!components.isEmpty()) {
+                components.add(Component.text(" | ", NamedTextColor.GRAY));
+            }
+            components.add(Component.text("⏱ ", NamedTextColor.GOLD));
+            components.add(Component.text(WorldUtils.getGameTime(player.getWorld())));
+        }
+
+        if (!components.isEmpty()) {
+            Component actionBar = Component.empty();
+            for (Component component : components) {
+                actionBar = actionBar.append(component);
+            }
+            player.sendActionBar(actionBar);
+        }
+    }
+
+
+    public boolean hasChangedDirection(Location previous, Location next) {
+        return !Objects.equals(
+            DataSizeConverter.getCardinalDirection(previous),
+            DataSizeConverter.getCardinalDirection(next)
+        );
+    }
+
+    @Override
+    protected @NotNull List<Listener> listeners() {
+        return List.of(
+            new CoordinateChangedListener()
+        );
+    }
+}

common/src/main/java/eu/mhsl/craftattack/spawn/common/appliances/gameplay/cordinateDisplay/CoordinateDisplaySetting.java

@@ -0,0 +1,53 @@
+package eu.mhsl.craftattack.spawn.common.appliances.gameplay.cordinateDisplay;
+
+import eu.mhsl.craftattack.spawn.common.appliances.metaGameplay.settings.CategorizedSetting;
+import eu.mhsl.craftattack.spawn.common.appliances.metaGameplay.settings.SettingCategory;
+import eu.mhsl.craftattack.spawn.common.appliances.metaGameplay.settings.Settings;
+import eu.mhsl.craftattack.spawn.common.appliances.metaGameplay.settings.datatypes.MultiBoolSetting;
+import org.bukkit.Material;
+
+public class CoordinateDisplaySetting extends MultiBoolSetting<CoordinateDisplaySetting.CoordinateDisplayConfiguration> implements CategorizedSetting {
+    public CoordinateDisplaySetting() {
+        super(Settings.Key.CoordinateDisplay);
+    }
+
+    @Override
+    public SettingCategory category() {
+        return SettingCategory.Gameplay;
+    }
+
+    public record CoordinateDisplayConfiguration(
+        @DisplayName("Koordinaten") boolean coordinates,
+        @DisplayName("Richtung") boolean direction,
+        @DisplayName("Zeit") boolean time
+    ) {
+        public boolean anyEnabled() {
+            return this.coordinates || this.direction || this.time;
+        }
+    }
+
+    @Override
+    protected String title() {
+        return "Koordinatenanzeige";
+    }
+
+    @Override
+    protected String description() {
+        return "Zeige deine aktuelle Position über der Hotbar an";
+    }
+
+    @Override
+    protected Material icon() {
+        return Material.RECOVERY_COMPASS;
+    }
+
+    @Override
+    protected CoordinateDisplayConfiguration defaultValue() {
+        return new CoordinateDisplayConfiguration(false, false, false);
+    }
+
+    @Override
+    public Class<?> dataType() {
+        return CoordinateDisplayConfiguration.class;
+    }
+}

common/src/main/java/eu/mhsl/craftattack/spawn/common/appliances/metaGameplay/infoBars/Bar.java

@@ -13,6 +13,7 @@ import java.time.temporal.ChronoUnit;
 public abstract class Bar {
     private BossBar bossBar;
     private final BukkitTask updateTask;
+    public static String name;
 
     public Bar() {
         long refreshRateInTicks = this.refresh().get(ChronoUnit.SECONDS) * Ticks.TICKS_PER_SECOND;
@@ -32,7 +33,7 @@ public abstract class Bar {
     private BossBar createBar() {
         return BossBar.bossBar(
             this.title(),
-            this.correctedProgress(),
+            this.clampedProgress(),
             this.color(),
             this.overlay()
         );
@@ -43,7 +44,7 @@ public abstract class Bar {
 
         this.beforeRefresh();
         this.bossBar.name(this.title());
-        this.bossBar.progress(this.correctedProgress());
+        this.bossBar.progress(this.clampedProgress());
         this.bossBar.color(this.color());
         this.bossBar.overlay(this.overlay());
     }
@@ -52,7 +53,7 @@ public abstract class Bar {
         this.updateTask.cancel();
     }
 
-    private float correctedProgress() {
+    private float clampedProgress() {
         return Math.clamp(this.progress(), 0, 1);
     }
 

common/src/main/java/eu/mhsl/craftattack/spawn/common/appliances/metaGameplay/infoBars/InfoBarCommand.java

@@ -1,32 +0,0 @@
-package eu.mhsl.craftattack.spawn.common.appliances.metaGameplay.infoBars;
-
-import eu.mhsl.craftattack.spawn.core.appliance.ApplianceCommand;
-import org.bukkit.command.Command;
-import org.bukkit.command.CommandSender;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-
-import java.util.List;
-
-class InfoBarCommand extends ApplianceCommand.PlayerChecked<InfoBars> {
-    public InfoBarCommand() {
-        super("infobar");
-    }
-
-    @Override
-    protected void execute(@NotNull CommandSender sender, @NotNull Command command, @NotNull String label, @NotNull String[] args) throws Exception {
-        if(args.length == 0) throw new Error("<show|hide|hideall> [bar name]");
-        switch(args[0]) {
-            case "hideAll" -> this.getAppliance().hideAll(this.getPlayer());
-            case "show" -> this.getAppliance().show(this.getPlayer(), args[1]);
-            case "hide" -> this.getAppliance().hide(this.getPlayer(), args[1]);
-            default -> throw new Error("Erlaubte Optionen sind 'show', 'hide', 'hideAll'!");
-        }
-    }
-
-    @Override
-    public @Nullable List<String> onTabComplete(@NotNull CommandSender sender, @NotNull Command command, @NotNull String label, @NotNull String[] args) {
-        if(args.length == 1) return List.of("show", "hide", "hideAll");
-        return this.getAppliance().getInfoBars().stream().map(Bar::name).toList();
-    }
-}

common/src/main/java/eu/mhsl/craftattack/spawn/common/appliances/metaGameplay/infoBars/InfoBarSetting.java

@@ -0,0 +1,51 @@
+package eu.mhsl.craftattack.spawn.common.appliances.metaGameplay.infoBars;
+
+import eu.mhsl.craftattack.spawn.common.appliances.metaGameplay.settings.CategorizedSetting;
+import eu.mhsl.craftattack.spawn.common.appliances.metaGameplay.settings.SettingCategory;
+import eu.mhsl.craftattack.spawn.common.appliances.metaGameplay.settings.Settings;
+import eu.mhsl.craftattack.spawn.common.appliances.metaGameplay.settings.datatypes.MultiBoolSetting;
+import org.bukkit.Material;
+
+public class InfoBarSetting extends MultiBoolSetting<InfoBarSetting.InfoBarConfiguration> implements CategorizedSetting {
+    public InfoBarSetting() {
+        super(Settings.Key.InfoBars);
+    }
+
+    @Override
+    public SettingCategory category() {
+        return SettingCategory.Misc;
+    }
+
+    public record InfoBarConfiguration(
+        @DisplayName("Millisekunden pro Tick") boolean mspt,
+        @DisplayName("Spieler online") boolean playerCounter,
+        @DisplayName("Ticks pro Sekunde") boolean tps
+    ) {}
+
+    @Override
+    protected String title() {
+        return "Informationsleisten";
+    }
+
+    @Override
+    protected String description() {
+        return "Wähle anzuzeigende Informationsleisten aus";
+    }
+
+    @Override
+    protected Material icon() {
+        return Material.COMMAND_BLOCK;
+    }
+
+    @Override
+    protected InfoBarConfiguration defaultValue() {
+        return new InfoBarConfiguration(false, false, false);
+    }
+
+    @Override
+    public Class<?> dataType() {
+        return InfoBarConfiguration.class;
+    }
+
+
+}

common/src/main/java/eu/mhsl/craftattack/spawn/common/appliances/metaGameplay/infoBars/InfoBars.java

@@ -1,11 +1,13 @@
 package eu.mhsl.craftattack.spawn.common.appliances.metaGameplay.infoBars;
 
+import eu.mhsl.craftattack.spawn.common.appliances.metaGameplay.settings.Settings;
 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.common.appliances.metaGameplay.infoBars.bars.MsptBar;
 import eu.mhsl.craftattack.spawn.common.appliances.metaGameplay.infoBars.bars.PlayerCounterBar;
 import eu.mhsl.craftattack.spawn.common.appliances.metaGameplay.infoBars.bars.TpsBar;
+import org.bukkit.Bukkit;
 import org.bukkit.NamespacedKey;
 import org.bukkit.entity.Player;
 import org.bukkit.event.Listener;
@@ -24,39 +26,42 @@ public class InfoBars extends Appliance {
         new PlayerCounterBar()
     );
 
-    public void showAll(Player player) {
-        this.getStoredBars(player).forEach(bar -> this.show(player, bar));
+    public void showAllEnabled(Player player) {
+        this.getEnabledBars(player).forEach(bar -> this.show(player, bar));
     }
 
-    public void hideAll(Player player) {
-        this.getStoredBars(player).forEach(bar -> this.hide(player, bar));
-        this.setStoredBars(player, List.of());
+    public void hideAllEnabled(Player player) {
+        this.getEnabledBars(player).forEach(bar -> this.hide(player, bar));
+        this.setEnabledBars(player, List.of());
     }
 
     public void show(Player player, String bar) {
         this.validateBarName(bar);
-        List<String> existingBars = new ArrayList<>(this.getStoredBars(player));
+        List<String> existingBars = new ArrayList<>(this.getEnabledBars(player));
         existingBars.add(bar);
         player.showBossBar(this.getBarByName(bar).getBossBar());
-        this.setStoredBars(player, existingBars);
+        this.setEnabledBars(player, existingBars);
     }
 
     public void hide(Player player, String bar) {
         this.validateBarName(bar);
-        List<String> existingBars = new ArrayList<>(this.getStoredBars(player));
+        List<String> existingBars = new ArrayList<>(this.getEnabledBars(player));
         existingBars.remove(bar);
         player.hideBossBar(this.getBarByName(bar).getBossBar());
-        this.setStoredBars(player, existingBars);
+        this.setEnabledBars(player, existingBars);
     }
 
-    private List<String> getStoredBars(Player player) {
+    private List<String> getEnabledBars(Player player) {
         PersistentDataContainer container = player.getPersistentDataContainer();
         if(!container.has(this.infoBarKey)) return List.of();
         return container.get(this.infoBarKey, PersistentDataType.LIST.strings());
     }
 
-    private void setStoredBars(Player player, List<String> bars) {
-        player.getPersistentDataContainer().set(this.infoBarKey, PersistentDataType.LIST.strings(), bars);
+    private void setEnabledBars(Player player, List<String> bars) {
+        Bukkit.getScheduler().runTask(
+            Main.instance(),
+            () -> player.getPersistentDataContainer().set(this.infoBarKey, PersistentDataType.LIST.strings(), bars)
+        );
     }
 
     private Bar getBarByName(String name) {
@@ -71,8 +76,16 @@ public class InfoBars extends Appliance {
             throw new ApplianceCommand.Error(String.format("Ungültiger infobar name '%s'", name));
     }
 
-    public List<Bar> getInfoBars() {
-        return this.infoBars;
+    @Override
+    public void onEnable() {
+        Settings.instance().declareSetting(InfoBarSetting.class);
+        Settings.instance().addChangeListener(InfoBarSetting.class, player -> {
+            this.hideAllEnabled(player);
+            InfoBarSetting.InfoBarConfiguration config = Settings.instance().getSetting(player, Settings.Key.InfoBars, InfoBarSetting.InfoBarConfiguration.class);
+            if(config.mspt()) this.show(player, MsptBar.name);
+            if(config.playerCounter()) this.show(player, PlayerCounterBar.name);
+            if(config.tps()) this.show(player, TpsBar.name);
+        });
     }
 
     @Override
@@ -84,9 +97,4 @@ public class InfoBars extends Appliance {
     protected @NotNull List<Listener> listeners() {
         return List.of(new ShowPreviousBarsListener());
     }
-
-    @Override
-    protected @NotNull List<ApplianceCommand<?>> commands() {
-        return List.of(new InfoBarCommand());
-    }
 }

common/src/main/java/eu/mhsl/craftattack/spawn/common/appliances/metaGameplay/infoBars/ShowPreviousBarsListener.java

@@ -7,6 +7,6 @@ import org.bukkit.event.player.PlayerJoinEvent;
 class ShowPreviousBarsListener extends ApplianceListener<InfoBars> {
     @EventHandler
     public void onJoin(PlayerJoinEvent event) {
-//        this.getAppliance().showAll(event.getPlayer());
+        this.getAppliance().showAllEnabled(event.getPlayer());
     }
 }

common/src/main/java/eu/mhsl/craftattack/spawn/common/appliances/metaGameplay/infoBars/bars/MsptBar.java

@@ -10,6 +10,8 @@ import net.kyori.adventure.text.format.NamedTextColor;
 import java.time.Duration;
 
 public class MsptBar extends Bar {
+    public static String name = "msptd";
+
     @Override
     protected Duration refresh() {
         return Duration.ofSeconds(3);
@@ -17,7 +19,7 @@ public class MsptBar extends Bar {
 
     @Override
     protected String name() {
-        return "mspt";
+        return name;
     }
 
     @Override
@@ -25,10 +27,10 @@ public class MsptBar extends Bar {
         return Component.text()
             .append(Component.text("M"))
             .append(Component.text("illi", NamedTextColor.GRAY))
-            .append(Component.text("S"))
-            .append(Component.text("econds ", NamedTextColor.GRAY))
-            .append(Component.text("P"))
-            .append(Component.text("er ", NamedTextColor.GRAY))
+            .append(Component.text("s"))
+            .append(Component.text("ekunden ", NamedTextColor.GRAY))
+            .append(Component.text("p"))
+            .append(Component.text("ro ", NamedTextColor.GRAY))
             .append(Component.text("T"))
             .append(Component.text("ick", NamedTextColor.GRAY))
             .append(Component.text(": "))
@@ -43,7 +45,7 @@ public class MsptBar extends Bar {
 
     @Override
     protected BossBar.Color color() {
-        return BossBar.Color.BLUE;
+        return this.currentMSPT() <= 50 ? BossBar.Color.GREEN : BossBar.Color.RED;
     }
 
     @Override

common/src/main/java/eu/mhsl/craftattack/spawn/common/appliances/metaGameplay/infoBars/bars/PlayerCounterBar.java

@@ -12,6 +12,8 @@ import org.bukkit.Bukkit;
 import java.time.Duration;
 
 public class PlayerCounterBar extends Bar {
+    public static String name = "playerCounter";
+
     @Override
     protected Duration refresh() {
         return Duration.ofSeconds(3);
@@ -19,7 +21,7 @@ public class PlayerCounterBar extends Bar {
 
     @Override
     protected String name() {
-        return "playerCounter";
+        return name;
     }
 
     @Override
@@ -38,7 +40,10 @@ public class PlayerCounterBar extends Bar {
 
     @Override
     protected BossBar.Color color() {
-        return BossBar.Color.BLUE;
+        int freeSlots = this.getMaxPlayerCount() - this.getCurrentPlayerCount();
+        return freeSlots <= 0
+            ? BossBar.Color.RED
+            : freeSlots < 5 ? BossBar.Color.YELLOW : BossBar.Color.GREEN;
     }
 
     @Override

common/src/main/java/eu/mhsl/craftattack/spawn/common/appliances/metaGameplay/infoBars/bars/TpsBar.java

@@ -10,6 +10,8 @@ import org.bukkit.Bukkit;
 import java.time.Duration;
 
 public class TpsBar extends Bar {
+    public static String name = "tps";
+
     @Override
     protected Duration refresh() {
         return Duration.ofSeconds(3);
@@ -17,7 +19,7 @@ public class TpsBar extends Bar {
 
     @Override
     protected String name() {
-        return "tps";
+        return name;
     }
 
     @Override
@@ -25,10 +27,10 @@ public class TpsBar extends Bar {
         return Component.text()
             .append(Component.text("T"))
             .append(Component.text("icks ", NamedTextColor.GRAY))
-            .append(Component.text("P"))
-            .append(Component.text("er ", NamedTextColor.GRAY))
+            .append(Component.text("p"))
+            .append(Component.text("ro ", NamedTextColor.GRAY))
             .append(Component.text("S"))
-            .append(Component.text("econds", NamedTextColor.GRAY))
+            .append(Component.text("ekunde", NamedTextColor.GRAY))
             .append(Component.text(": "))
             .append(Component.text(String.format("%.2f", this.currentTps()), ColorUtil.tpsColor(this.currentTps())))
             .build();
@@ -41,7 +43,9 @@ public class TpsBar extends Bar {
 
     @Override
     protected BossBar.Color color() {
-        return BossBar.Color.BLUE;
+        return this.currentTps() >= 18
+            ? BossBar.Color.GREEN
+            : this.currentTps() >= 15 ? BossBar.Color.YELLOW : BossBar.Color.RED;
     }
 
     @Override

common/src/main/java/eu/mhsl/craftattack/spawn/common/appliances/metaGameplay/settings/Settings.java

@@ -17,6 +17,7 @@ import org.jetbrains.annotations.NotNull;
 import java.lang.reflect.InvocationTargetException;
 import java.util.*;
 import java.util.concurrent.atomic.AtomicInteger;
+import java.util.function.Consumer;
 import java.util.stream.Collectors;
 
 public class Settings extends Appliance {
@@ -34,7 +35,10 @@ public class Settings extends Appliance {
         ChatMentions,
         DoubleDoors,
         KnockDoors,
-        BorderWarning
+        BorderWarning,
+        LocatorBar,
+        InfoBars,
+        CoordinateDisplay
     }
 
     public static Settings instance() {
@@ -58,6 +62,16 @@ public class Settings extends Appliance {
 
     private final WeakHashMap<Player, OpenSettingsInventory> openSettingsInventories = new WeakHashMap<>();
     private final WeakHashMap<Player, List<Setting<?>>> settingsCache = new WeakHashMap<>();
+    protected final Map<Class<? extends Setting<?>>, Consumer<Player>> changeListeners = new WeakHashMap<>();
+
+    public <TDataType extends Setting<?>> void addChangeListener(Class<TDataType> setting, Consumer<Player> listener) {
+        this.changeListeners.merge(setting, listener, Consumer::andThen);
+    }
+
+    public <TDataType extends Setting<?>> void invokeChangeListener(Player player, Class<TDataType> setting) {
+        Optional.ofNullable(this.changeListeners.get(setting))
+            .ifPresent(listener -> listener.accept(player));
+    }
 
     private List<Setting<?>> getSettings(Player player) {
         if(this.settingsCache.containsKey(player)) return this.settingsCache.get(player);

common/src/main/java/eu/mhsl/craftattack/spawn/common/appliances/metaGameplay/settings/datatypes/Setting.java

@@ -26,7 +26,7 @@ public abstract class Setting<TDataType> {
     }
 
     public NamespacedKey getNamespacedKey() {
-        return new NamespacedKey(Main.instance(), this.key.name());
+        return new NamespacedKey(Settings.class.getSimpleName().toLowerCase(), this.key.name().toLowerCase());
     }
 
     public Settings.Key getKey() {
@@ -34,7 +34,24 @@ public abstract class Setting<TDataType> {
     }
 
     public void initializeFromPlayer(Player p) {
-        this.fromStorage(p.getPersistentDataContainer());
+        PersistentDataContainer dataContainer = p.getPersistentDataContainer();
+        try {
+            this.fromStorage(dataContainer);
+        } catch(IllegalArgumentException e) {
+            Main.logger().warning(String.format(
+                "Could not load state of setting %s from player %s: '%s'\n Did the datatype of the setting change?",
+                this.getNamespacedKey(),
+                e.getMessage(),
+                p.getName()
+            ));
+            dataContainer.remove(this.getNamespacedKey());
+            this.fromStorage(dataContainer);
+            Main.logger().info(String.format(
+                "Restoring defaults of setting %s of player %s",
+                this.getNamespacedKey(),
+                p.getName()
+            ));
+        }
     }
 
     public void triggerChange(Player p, ClickType clickType) {
@@ -42,6 +59,7 @@ public abstract class Setting<TDataType> {
         this.change(p, clickType);
         InteractSounds.of(p).click();
         this.toStorage(p.getPersistentDataContainer(), this.state());
+        Settings.instance().invokeChangeListener(p, this.getClass());
     }
 
     public ItemStack buildItem() {

common/src/main/java/eu/mhsl/craftattack/spawn/common/appliances/security/antiAutoTotem/AntiAutoTotem.java

@@ -1,4 +1,4 @@
-package eu.mhsl.craftattack.spawn.craftattack.appliances.security.antiAutoTotem;
+package eu.mhsl.craftattack.spawn.common.appliances.security.antiAutoTotem;
 
 import eu.mhsl.craftattack.spawn.common.appliances.tooling.acInform.AcInform;
 import eu.mhsl.craftattack.spawn.core.Main;

common/src/main/java/eu/mhsl/craftattack/spawn/common/appliances/security/antiAutoTotem/OnTotemUseListener.java

@@ -1,4 +1,4 @@
-package eu.mhsl.craftattack.spawn.craftattack.appliances.security.antiAutoTotem;
+package eu.mhsl.craftattack.spawn.common.appliances.security.antiAutoTotem;
 
 import eu.mhsl.craftattack.spawn.core.appliance.ApplianceListener;
 import org.bukkit.entity.Player;

common/src/main/java/eu/mhsl/craftattack/spawn/common/appliances/tooling/deviceFingerprinting/DeviceFingerprinting.java

@@ -0,0 +1,176 @@
+package eu.mhsl.craftattack.spawn.common.appliances.tooling.deviceFingerprinting;
+
+import com.google.common.reflect.TypeToken;
+import com.google.gson.Gson;
+import eu.mhsl.craftattack.spawn.core.Main;
+import eu.mhsl.craftattack.spawn.core.api.server.HttpServer;
+import eu.mhsl.craftattack.spawn.core.appliance.Appliance;
+import net.kyori.adventure.resource.ResourcePackInfo;
+import net.kyori.adventure.resource.ResourcePackRequest;
+import org.bukkit.entity.Player;
+import org.bukkit.event.Listener;
+import org.bukkit.event.player.PlayerResourcePackStatusEvent;
+import org.jetbrains.annotations.NotNull;
+import spark.Response;
+
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.lang.reflect.Type;
+import java.net.URI;
+import java.util.*;
+
+public class DeviceFingerprinting extends Appliance {
+    public record PackInfo(@NotNull String url, @NotNull UUID uuid, @NotNull String hash) {
+        private static final String failingUrl = "http://127.0.0.1:0";
+        public PackInfo asFailing() {
+            return new PackInfo(failingUrl, this.uuid, this.hash);
+        }
+    }
+
+    public enum PackStatus {
+        UNCACHED,
+        CACHED,
+        INVALID;
+
+        public static PackStatus fromBukkitStatus(PlayerResourcePackStatusEvent.Status status) {
+            return switch(status) {
+                case DISCARDED -> CACHED;
+                case FAILED_DOWNLOAD -> UNCACHED;
+                default -> INVALID;
+            };
+        }
+    }
+
+    public enum PlayerStatus {
+        PREPARATION,
+        TESTING,
+        FINISHED,
+        NEW
+    }
+
+    private List<PackInfo> packs;
+    private final Map<Player, FingerprintData> fingerprints = new WeakHashMap<>();
+    private final UUID basePackId = UUID.randomUUID();
+
+    @Override
+    public void onEnable() {
+        this.packs = this.readPacksFromConfig();
+    }
+
+    public void startFingerprinting(Player player) {
+        this.fingerprints.put(player, FingerprintData.create(player));
+        Main.logger().info(String.format("Sending base ressource-pack with id '%s' to '%s'%n", this.basePackId, player.getName()));
+        this.sendPack(player, new PackInfo("http://localhost:8080/api/devicefingerprinting/base.zip", this.basePackId, "3296e8bdd30b4f7cffd11c780a1dc70da2948e71"));
+    }
+
+    public void onPackUpdate(Player player, UUID packId, PlayerResourcePackStatusEvent.Status status) {
+        if(!this.fingerprints.containsKey(player)) return;
+        FingerprintData playerFingerprint = this.fingerprints.get(player);
+        if(!playerFingerprint.isInTestingOrPreparation()) return;
+
+        if(packId.equals(this.basePackId)) {
+            Main.logger().info(String.format("Base pack for '%s' updated: '%s'", player.getName(), status));
+
+            if(status != PlayerResourcePackStatusEvent.Status.ACCEPTED) return;
+            Main.logger().info(String.format("Base pack loaded successfully, sending now all packs to '%s'...", player.getName()));
+            playerFingerprint.setTesting();
+            this.packs.forEach(pack -> this.sendPack(player, pack.asFailing()));
+            return;
+        }
+
+        PackInfo pack = this.packs.stream()
+            .filter(packInfo -> Objects.equals(packInfo.uuid, packId))
+            .findAny()
+            .orElse(null);
+        if(pack == null) return;
+        int packIndex = this.packs.indexOf(pack);
+
+        List<PackStatus> pendingPacks = playerFingerprint.getPendingPacks();
+        PackStatus newPackStatus = PackStatus.fromBukkitStatus(status);
+        if(newPackStatus == PackStatus.INVALID) return;
+        pendingPacks.set(packIndex, newPackStatus);
+
+        playerFingerprint.updateFingerprint();
+        if(Objects.requireNonNull(playerFingerprint.getStatus()) == PlayerStatus.NEW) {
+            Main.logger().info(String.format("Sending fingerprint packs to Player '%s', as it is a unseen Player!", player.getName()));
+            this.sendNewFingerprint(player, Objects.requireNonNull(playerFingerprint.getFingerPrint()));
+        }
+    }
+
+    private void sendNewFingerprint(Player player, long fingerprintId) {
+        for (int i = 0; i < this.packs.size(); i++) {
+            if ((fingerprintId & (1L << i)) != 0) {
+                PackInfo pack = this.packs.get(i);
+                this.sendPack(player, pack);
+            }
+        }
+    }
+
+    public void sendPack(Player player, PackInfo pack) {
+        player.sendResourcePacks(
+            ResourcePackRequest.resourcePackRequest()
+                .required(true)
+                .packs(ResourcePackInfo.resourcePackInfo(pack.uuid, URI.create(pack.url), pack.hash))
+        );
+    }
+
+    private List<DeviceFingerprinting.PackInfo> readPacksFromConfig() {
+        try (InputStreamReader reader = new InputStreamReader(Objects.requireNonNull(Main.class.getResourceAsStream("/deviceFingerprinting/packs.json")))) {
+            Type packListType = new TypeToken<List<DeviceFingerprinting.PackInfo>>(){}.getType();
+            List<DeviceFingerprinting.PackInfo> packs = new Gson().fromJson(reader, packListType);
+            if (packs.isEmpty()) throw new IllegalStateException("No resource packs found in packs.json.");
+            return packs;
+        } catch (IOException e) {
+            throw new IllegalStateException("Failed to parse packs.json.", e);
+        }
+    }
+
+    @Override
+    public void httpApi(HttpServer.ApiBuilder apiBuilder) {
+        apiBuilder.rawGet(
+            "base.zip",
+            (request, response) -> this.servePack("base.zip", response)
+        );
+
+        for(int i = 0; i < this.packs.size(); i++) {
+            int packIndex = i;
+            apiBuilder.rawGet(
+                String.format("packs/%d", i),
+                (request, response) -> this.servePack(String.valueOf(packIndex), response)
+            );
+        }
+    }
+
+    private Object servePack(String name, Response response) {
+        try {
+            String resourcePath = String.format("/deviceFingerprinting/packs/%s", name);
+            var inputStream = Main.class.getResourceAsStream(resourcePath);
+
+            if (inputStream == null) {
+                throw new IllegalStateException("Pack file not found: " + resourcePath);
+            }
+
+            response.header("Content-Type", "application/zip");
+            response.header("Content-Disposition", String.format("attachment; filename=\"pack-%s.zip\"", name));
+
+            var outputStream = response.raw().getOutputStream();
+            inputStream.transferTo(outputStream);
+            outputStream.close();
+
+            return HttpServer.nothing;
+        } catch (IOException e) {
+            throw new RuntimeException(String.format("Failed to serve pack '%s'", name), e);
+        }
+    }
+
+    public List<PackInfo> getPacks() {
+        return this.packs;
+    }
+
+    @Override
+    protected @NotNull List<Listener> listeners() {
+        return List.of(
+            new PlayerJoinListener()
+        );
+    }
+}

common/src/main/java/eu/mhsl/craftattack/spawn/common/appliances/tooling/deviceFingerprinting/FingerprintData.java

@@ -0,0 +1,91 @@
+package eu.mhsl.craftattack.spawn.common.appliances.tooling.deviceFingerprinting;
+
+import eu.mhsl.craftattack.spawn.core.Main;
+import org.bukkit.entity.Player;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.Random;
+
+class FingerprintData {
+    public final Player player;
+    private DeviceFingerprinting.PlayerStatus status;
+    private @Nullable Long fingerPrint;
+    private final List<DeviceFingerprinting.PackStatus> pendingPacks;
+    int packCount = Main.instance().getAppliance(DeviceFingerprinting.class).getPacks().size();
+
+    private FingerprintData(Player player) {
+        this.player = player;
+        this.status = DeviceFingerprinting.PlayerStatus.PREPARATION;
+        this.fingerPrint = null;
+        this.pendingPacks = Arrays.asList(new DeviceFingerprinting.PackStatus[this.packCount]);
+    }
+
+    public static FingerprintData create(Player player) {
+        return new FingerprintData(player);
+    }
+
+    public void setTesting() {
+        this.status = DeviceFingerprinting.PlayerStatus.TESTING;
+    }
+
+    public void updateFingerprint() {
+        long fingerPrint = 0;
+        for (int i = 0; i < this.pendingPacks.size(); i++) {
+            var status = this.pendingPacks.get(i);
+            if(status == null) return;
+            switch (status) {
+                case CACHED:
+                    fingerPrint |= 1L << i;
+                    break;
+                case UNCACHED:
+                    break;
+                default:
+                    return;
+            }
+        }
+
+        if(fingerPrint == 0) {
+            this.status = DeviceFingerprinting.PlayerStatus.NEW;
+            this.fingerPrint = this.createNewFingerprint();
+            Main.logger().info(String.format("Player %s's was marked as a new Player!", this.player.getName()));
+        } else {
+            this.status = DeviceFingerprinting.PlayerStatus.FINISHED;
+            this.fingerPrint = fingerPrint;
+        }
+
+        Main.logger().info(String.format("Player %s's fingerprint is '%s'", this.player.getName(), fingerPrint));
+    }
+
+    private long createNewFingerprint() {
+        long id = 0;
+        Random random = new Random();
+        for (int i = 0; i < this.packCount / 2; i++) {
+            while (true) {
+                int bitIndex = random.nextInt(this.packCount);
+                if ((id & (1L << bitIndex)) == 0) {
+                    id |= 1L << bitIndex;
+                    break;
+                }
+            }
+        }
+        return id;
+    }
+
+    public List<DeviceFingerprinting.PackStatus> getPendingPacks() {
+        return this.pendingPacks;
+    }
+
+    public DeviceFingerprinting.PlayerStatus getStatus() {
+        return this.status;
+    }
+
+    public @Nullable Long getFingerPrint() {
+        return this.fingerPrint;
+    }
+
+    public boolean isInTestingOrPreparation() {
+        return this.status == DeviceFingerprinting.PlayerStatus.TESTING || this.status == DeviceFingerprinting.PlayerStatus.PREPARATION;
+    }
+}

common/src/main/java/eu/mhsl/craftattack/spawn/common/appliances/tooling/deviceFingerprinting/PlayerJoinListener.java

@@ -0,0 +1,22 @@
+package eu.mhsl.craftattack.spawn.common.appliances.tooling.deviceFingerprinting;
+
+import eu.mhsl.craftattack.spawn.core.appliance.ApplianceListener;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.player.PlayerJoinEvent;
+import org.bukkit.event.player.PlayerResourcePackStatusEvent;
+
+class PlayerJoinListener extends ApplianceListener<DeviceFingerprinting> {
+    @EventHandler
+    public void onJoin(PlayerJoinEvent event) {
+        this.getAppliance().startFingerprinting(event.getPlayer());
+    }
+
+    @EventHandler
+    public void onResourcePackEvent(PlayerResourcePackStatusEvent event) {
+        this.getAppliance().onPackUpdate(
+            event.getPlayer(),
+            event.getID(),
+            event.getStatus()
+        );
+    }
+}

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

@@ -19,6 +19,7 @@ class KickCommand extends ApplianceCommand<Kick> {
 
     @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().kick(
             args[0],
             Arrays.stream(args).skip(1).collect(Collectors.joining(" "))

common/src/main/resources/deviceFingerprinting/README.md

@@ -0,0 +1,5 @@
+## Files originally from "TrackPack"
+https://github.com/ALaggyDev/TrackPack/blob/main/README.md
+
+
+Discovered by: [Laggy](https://github.com/ALaggyDev/) and [NikOverflow](https://github.com/NikOverflow)

common/src/main/resources/deviceFingerprinting/gen_packs.py

@@ -0,0 +1,33 @@
+import zipfile
+import hashlib
+import uuid
+import json
+
+SERVER_URL = "http://localhost:8080/api/devicefingerprinting"
+packs = []
+
+def file_sha1(path):
+    h = hashlib.sha1()
+    with open(path, "rb") as f:
+        for chunk in iter(lambda: f.read(8192), b""):
+            h.update(chunk)
+    return h.hexdigest()
+
+for i in range(0, 24):
+    path = f"packs/{i}"
+
+    with zipfile.ZipFile(path, mode="w") as zf:
+        zf.writestr(
+            "pack.mcmeta",
+            '{"pack":{"pack_format":22,"supported_formats":[22,1000],"description":"pack ' + str(i) + '"}}',
+        )
+
+    hash = file_sha1(path)
+    packs.append({
+        "url": f"{SERVER_URL}/packs/{i}",
+        "uuid": str(uuid.uuid4()),
+        "hash": hash
+    })
+
+with open("packs.json", "w") as f:
+    json.dump(packs, f, indent=4)

common/src/main/resources/deviceFingerprinting/packs.json

@@ -0,0 +1,122 @@
+[
+    {
+        "url": "http://localhost:8080/api/devicefingerprinting/packs/0",
+        "uuid": "b35f6e2f-1b50-4493-85be-fb18bd90f9bb",
+        "hash": "7a39af839ea6484431f7b707759546bea991d435"
+    },
+    {
+        "url": "http://localhost:8080/api/devicefingerprinting/packs/1",
+        "uuid": "71095b62-d5ef-4ab2-ba3b-3c1b403f5e34",
+        "hash": "a9192ee73df1c5cff2c188fac6e9e638a1e7b6ce"
+    },
+    {
+        "url": "http://localhost:8080/api/devicefingerprinting/packs/2",
+        "uuid": "a4dba0a2-f8f2-4a81-bbb2-a9a818820330",
+        "hash": "6b85b0eb54865dae70bbda89746d83717dc2a214"
+    },
+    {
+        "url": "http://localhost:8080/api/devicefingerprinting/packs/3",
+        "uuid": "79fa2dc4-8c84-45fc-a09f-d89906f0d900",
+        "hash": "c7abf7a316f7e8c98985e8317a8b649e824e9f79"
+    },
+    {
+        "url": "http://localhost:8080/api/devicefingerprinting/packs/4",
+        "uuid": "15702c9b-a22b-426d-b48a-3d65b0368e9a",
+        "hash": "10cd0e2c46f192deb87ac75c149827d44a713017"
+    },
+    {
+        "url": "http://localhost:8080/api/devicefingerprinting/packs/5",
+        "uuid": "3d702d41-8e2f-4920-8dd0-1fd2146da9fb",
+        "hash": "8ad517d259e800b88a38ff00ee6721d5656822f2"
+    },
+    {
+        "url": "http://localhost:8080/api/devicefingerprinting/packs/6",
+        "uuid": "c20a2e47-ef43-49da-a80d-adf238df3695",
+        "hash": "798677405a4fd678892e1cf55585c8c91f82e1e2"
+    },
+    {
+        "url": "http://localhost:8080/api/devicefingerprinting/packs/7",
+        "uuid": "7ce51b81-1263-4919-9f4e-bb749ffe6e2e",
+        "hash": "af473b8eb7572f35d307bede5f2e20f263c0d804"
+    },
+    {
+        "url": "http://localhost:8080/api/devicefingerprinting/packs/8",
+        "uuid": "0c70d586-fe48-4ffc-86b0-6b9ec3bfe045",
+        "hash": "2fb698ff88f2436637641f3b2e6792201feb5144"
+    },
+    {
+        "url": "http://localhost:8080/api/devicefingerprinting/packs/9",
+        "uuid": "c7af75a8-0b72-495d-a0ff-c1c40e229c13",
+        "hash": "cf660460798eecf451d639873cc1fedc4661db1b"
+    },
+    {
+        "url": "http://localhost:8080/api/devicefingerprinting/packs/10",
+        "uuid": "248dbce6-4b2a-44b5-b038-8d718b0ced99",
+        "hash": "a8ebe708d0f3747c76e4e5e68db5dcb561922706"
+    },
+    {
+        "url": "http://localhost:8080/api/devicefingerprinting/packs/11",
+        "uuid": "10979174-cb02-40eb-a754-275551ad608d",
+        "hash": "54961b48db1582a1a0981c8cc9be5ae0f3122cf3"
+    },
+    {
+        "url": "http://localhost:8080/api/devicefingerprinting/packs/12",
+        "uuid": "a361cfa7-674c-4493-a4cf-4baff851f276",
+        "hash": "013719dc8da79c96b45a1c5319c20bffe1a56cc9"
+    },
+    {
+        "url": "http://localhost:8080/api/devicefingerprinting/packs/13",
+        "uuid": "24b39bdb-ada9-40ec-9e3a-132c74b81dc6",
+        "hash": "206898c6b6600d2648b2d79c61fc6255b19587d9"
+    },
+    {
+        "url": "http://localhost:8080/api/devicefingerprinting/packs/14",
+        "uuid": "158fc5b4-be2c-4f7a-98cb-af5993adcc90",
+        "hash": "061b266a7c526fb3a3152a4ea70ca5592e0b503c"
+    },
+    {
+        "url": "http://localhost:8080/api/devicefingerprinting/packs/15",
+        "uuid": "4f9097a7-be02-48ad-919c-f292307f8490",
+        "hash": "45a667a0fe06246defabca14ef1271fb6db5a1ac"
+    },
+    {
+        "url": "http://localhost:8080/api/devicefingerprinting/packs/16",
+        "uuid": "3ce31e60-7e8a-4fb1-8c6d-da9065bea798",
+        "hash": "75bb12e46203d49e89aa9a826d267552372758bc"
+    },
+    {
+        "url": "http://localhost:8080/api/devicefingerprinting/packs/17",
+        "uuid": "cd978e5c-3de0-4ada-8ec5-3a88a305eec6",
+        "hash": "5b20261f7be03e83e9c52307f1408b0c5e58358c"
+    },
+    {
+        "url": "http://localhost:8080/api/devicefingerprinting/packs/18",
+        "uuid": "75001e58-3999-4779-a1d1-43ab161770ce",
+        "hash": "544420cffb6c17113c06fb49eeba892c208719d3"
+    },
+    {
+        "url": "http://localhost:8080/api/devicefingerprinting/packs/19",
+        "uuid": "6a7005a9-c2ca-476d-9a12-07d120ee121a",
+        "hash": "fcc066a4d3193b60b102e3d906ad8dc0b0fcf65b"
+    },
+    {
+        "url": "http://localhost:8080/api/devicefingerprinting/packs/20",
+        "uuid": "521c0d84-d82e-49ef-b096-d9b90f15aa19",
+        "hash": "4545835983ec7f07d02675a69181a80dc396f038"
+    },
+    {
+        "url": "http://localhost:8080/api/devicefingerprinting/packs/21",
+        "uuid": "c1b590c5-43fc-41e3-83c0-47f35b14f845",
+        "hash": "8d4c670eaefc0482734e839b72758226dde13bc3"
+    },
+    {
+        "url": "http://localhost:8080/api/devicefingerprinting/packs/22",
+        "uuid": "43958a18-c087-4f2b-a6ea-066231606eb1",
+        "hash": "004282602f7bdbb7cd7724f23aae23876f224092"
+    },
+    {
+        "url": "http://localhost:8080/api/devicefingerprinting/packs/23",
+        "uuid": "4b91ac81-9de4-4c2b-a876-47e621496d10",
+        "hash": "dae68eae109e08ea4c4c943905502eb331939f64"
+    }
+]

common/src/main/resources/deviceFingerprinting/packs/.gitignore

@@ -0,0 +1 @@
+!base.zip

core/build.gradle

@@ -1,5 +1,5 @@
 dependencies {
-    compileOnly 'io.papermc.paper:paper-api:1.21.7-R0.1-SNAPSHOT'
+    compileOnly 'io.papermc.paper:paper-api:1.21.8-R0.1-SNAPSHOT'
     compileOnly 'org.geysermc.floodgate:api:2.2.4-SNAPSHOT'
     implementation 'org.apache.httpcomponents:httpclient:4.5.14'
     implementation 'com.sparkjava:spark-core:2.9.4'

core/src/main/java/eu/mhsl/craftattack/spawn/core/api/server/HttpServer.java

@@ -7,6 +7,7 @@ import org.bukkit.configuration.ConfigurationSection;
 import spark.Request;
 import spark.Spark;
 
+import java.util.function.BiFunction;
 import java.util.function.Function;
 import java.util.function.Supplier;
 
@@ -43,12 +44,16 @@ public class HttpServer {
             this.applianceName = appliance.getClass().getSimpleName().toLowerCase();
         }
 
+        public void rawGet(String path, BiFunction<Request, spark.Response, Object> onCall) {
+            Spark.get(this.buildRoute(path), (req, resp) -> this.process(() -> onCall.apply(req, resp)));
+        }
+
         public void get(String path, Function<Request, Object> onCall) {
             Spark.get(this.buildRoute(path), (req, resp) -> this.process(() -> onCall.apply(req)));
         }
 
-        public void rawPost(String path, Function<Request, Object> onCall) {
-            Spark.post(this.buildRoute(path), (req, resp) -> this.process(() -> onCall.apply(req)));
+        public void rawPost(String path, BiFunction<Request, spark.Response, Object> onCall) {
+            Spark.post(this.buildRoute(path), (req, resp) -> this.process(() -> onCall.apply(req, resp)));
         }
 
         public <TRequest> void post(String path, Class<TRequest> clazz, RequestProvider<TRequest, Request, Object> onCall) {

core/src/main/java/eu/mhsl/craftattack/spawn/core/util/NumberUtil.java

@@ -8,4 +8,10 @@ public class NumberUtil {
 
         return out;
     }
+
+    public static <T extends Comparable<T>> T clamp(T value, T min, T max) {
+        if (value.compareTo(min) < 0) return min;
+        if (value.compareTo(max) > 0) return max;
+        return value;
+    }
 }

core/src/main/java/eu/mhsl/craftattack/spawn/core/util/text/DataSizeConverter.java

@@ -1,5 +1,7 @@
 package eu.mhsl.craftattack.spawn.core.util.text;
 
+import org.bukkit.Location;
+
 public class DataSizeConverter {
     public static String convertBytesPerSecond(long bytes) {
         double kbits = bytes * 8.0 / 1000.0;
@@ -52,4 +54,27 @@ public class DataSizeConverter {
 
         return String.format("%dd %dh %dm %ds", days, hours, minutes, seconds);
     }
+
+    public static String getCardinalDirection(Location location) {
+        float yaw = location.getYaw();
+        yaw = (yaw % 360 + 360) % 360;
+
+        if (yaw >= 337.5 || yaw < 22.5) {
+            return "S";
+        } else if (yaw >= 22.5 && yaw < 67.5) {
+            return "SW";
+        } else if (yaw >= 67.5 && yaw < 112.5) {
+            return "W";
+        } else if (yaw >= 112.5 && yaw < 157.5) {
+            return "NW";
+        } else if (yaw >= 157.5 && yaw < 202.5) {
+            return "N";
+        } else if (yaw >= 202.5 && yaw < 247.5) {
+            return "NO";
+        } else if (yaw >= 247.5 && yaw < 292.5) {
+            return "O";
+        } else {
+            return "SO";
+        }
+    }
 }

core/src/main/java/eu/mhsl/craftattack/spawn/core/util/world/WorldUtils.java

@@ -0,0 +1,14 @@
+package eu.mhsl.craftattack.spawn.core.util.world;
+
+import org.bukkit.World;
+
+public class WorldUtils {
+    public static String getGameTime(World world) {
+        long timeOfDay = world.getTime() % 24000;
+
+        int hours = (int) ((timeOfDay / 1000 + 6) % 24);
+        int minutes = (int) ((timeOfDay % 1000) * 60 / 1000);
+
+        return String.format("%02d:%02d", hours, minutes);
+    }
+}

craftattack/build.gradle

@@ -2,7 +2,7 @@ dependencies {
     implementation project(':core')
     implementation project(':common')
 
-    compileOnly 'io.papermc.paper:paper-api:1.21.7-R0.1-SNAPSHOT'
+    compileOnly 'io.papermc.paper:paper-api:1.21.8-R0.1-SNAPSHOT'
     compileOnly 'org.geysermc.floodgate:api:2.2.4-SNAPSHOT'
     implementation 'org.apache.httpcomponents:httpclient:4.5.14'
     implementation 'com.sparkjava:spark-core:2.9.4'

craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/gameplay/antiSignEdit/AntiSignEdit.java

@@ -14,6 +14,11 @@ import org.jetbrains.annotations.NotNull;
 import java.util.List;
 
 public class AntiSignEdit extends Appliance {
+    private final Component disallowMessage = Component.text(
+        "Nutze /settings um das Bearbeiten von Schildern zu aktivieren!",
+        NamedTextColor.RED
+    );
+
     @Override
     public void onEnable() {
         Settings.instance().declareSetting(SignEditSetting.class);
@@ -22,8 +27,9 @@ public class AntiSignEdit extends Appliance {
     public boolean preventSignEdit(Player p, SignSide sign) {
         SelectSetting.Options.Option setting = Settings.instance().getSetting(p, Settings.Key.SignEdit, SelectSetting.Options.Option.class);
         if(setting.is(SignEditSetting.editable)) return false;
+
         if(setting.is(SignEditSetting.readOnly)) {
-            p.sendActionBar(Component.text("Das Bearbeiten von Schildern ist in deinen Einstellungen deaktiviert.", NamedTextColor.RED));
+            p.sendActionBar(this.disallowMessage);
             return true;
         }
 
@@ -32,7 +38,7 @@ public class AntiSignEdit extends Appliance {
                 .anyMatch(line -> !PlainTextComponentSerializer.plainText().serialize(line).isBlank());
 
             if(hasText) {
-                p.sendActionBar(Component.text("Das Bearbeiten von Schildern, welch bereits beschrieben sind, ist bei dir deaktiviert.", NamedTextColor.RED));
+                p.sendActionBar(this.disallowMessage);
                 return true;
             }
         }

craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/gameplay/doubleDoor/DoubleDoorSetting.java

@@ -28,7 +28,7 @@ public class DoubleDoorSetting extends BoolSetting implements CategorizedSetting
 
     @Override
     protected Boolean defaultValue() {
-        return false;
+        return true;
     }
 
     @Override

craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/gameplay/knockDoor/KnockDoorSetting.java

@@ -45,6 +45,6 @@ public class KnockDoorSetting extends SelectSetting implements CategorizedSettin
 
     @Override
     protected Options.Option defaultValue() {
-        return disabled;
+        return knockThreeTimes;
     }
 }

craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/gameplay/locatorBar/LocatorBar.java

@@ -0,0 +1,50 @@
+package eu.mhsl.craftattack.spawn.craftattack.appliances.gameplay.locatorBar;
+
+import eu.mhsl.craftattack.spawn.common.appliances.metaGameplay.settings.Settings;
+import eu.mhsl.craftattack.spawn.core.appliance.Appliance;
+import org.bukkit.attribute.Attribute;
+import org.bukkit.attribute.AttributeInstance;
+import org.bukkit.entity.Player;
+import org.bukkit.event.Listener;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.List;
+import java.util.Objects;
+
+public class LocatorBar extends Appliance {
+    private enum Distance {
+        MAX(6.0e7),
+        ZERO(0.0);
+
+        final double distance;
+        Distance(double distance) {
+            this.distance = distance;
+        }
+    }
+
+    @Override
+    public void onEnable() {
+        Settings.instance().declareSetting(LocatorBarSettings.class);
+        Settings.instance().addChangeListener(LocatorBarSettings.class, this::updateLocatorBar);
+    }
+
+    public void updateLocatorBar(Player player) {
+        boolean enabled = Settings.instance().getSetting(player, Settings.Key.LocatorBar, Boolean.class);
+
+        AttributeInstance receive = player.getAttribute(Attribute.WAYPOINT_RECEIVE_RANGE);
+        AttributeInstance transmit = player.getAttribute(Attribute.WAYPOINT_TRANSMIT_RANGE);
+
+        Objects.requireNonNull(receive);
+        Objects.requireNonNull(transmit);
+
+        receive.setBaseValue(enabled ? Distance.MAX.distance : Distance.ZERO.distance);
+        transmit.setBaseValue(enabled ? Distance.MAX.distance : Distance.ZERO.distance);
+    }
+
+    @Override
+    protected @NotNull List<Listener> listeners() {
+        return List.of(
+            new LocatorBarUpdateListener()
+        );
+    }
+}

craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/gameplay/locatorBar/LocatorBarSettings.java

@@ -0,0 +1,38 @@
+package eu.mhsl.craftattack.spawn.craftattack.appliances.gameplay.locatorBar;
+
+import eu.mhsl.craftattack.spawn.common.appliances.metaGameplay.settings.CategorizedSetting;
+import eu.mhsl.craftattack.spawn.common.appliances.metaGameplay.settings.SettingCategory;
+import eu.mhsl.craftattack.spawn.common.appliances.metaGameplay.settings.Settings;
+import eu.mhsl.craftattack.spawn.common.appliances.metaGameplay.settings.datatypes.BoolSetting;
+import org.bukkit.Material;
+
+public class LocatorBarSettings extends BoolSetting implements CategorizedSetting {
+    @Override
+    public SettingCategory category() {
+        return SettingCategory.Gameplay;
+    }
+
+    public LocatorBarSettings() {
+        super(Settings.Key.LocatorBar);
+    }
+
+    @Override
+    protected String title() {
+        return "Ortungsleiste / Locator Bar";
+    }
+
+    @Override
+    protected String description() {
+        return "Konfiguriere, ob andere Spieler deine Position und du die Position anderer sehen möchtest";
+    }
+
+    @Override
+    protected Material icon() {
+        return Material.COMPASS;
+    }
+
+    @Override
+    protected Boolean defaultValue() {
+        return true;
+    }
+}

craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/gameplay/locatorBar/LocatorBarUpdateListener.java

@@ -0,0 +1,12 @@
+package eu.mhsl.craftattack.spawn.craftattack.appliances.gameplay.locatorBar;
+
+import eu.mhsl.craftattack.spawn.core.appliance.ApplianceListener;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.player.PlayerJoinEvent;
+
+class LocatorBarUpdateListener extends ApplianceListener<LocatorBar> {
+    @EventHandler
+    public void onJoin(PlayerJoinEvent event) {
+        this.getAppliance().updateLocatorBar(event.getPlayer());
+    }
+}

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

@@ -8,6 +8,7 @@ import eu.mhsl.craftattack.spawn.craftattack.appliances.tooling.whitelist.Whitel
 import eu.mhsl.craftattack.spawn.core.config.Configuration;
 import eu.mhsl.craftattack.spawn.core.util.text.DisconnectInfo;
 import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.event.ClickEvent;
 import net.kyori.adventure.text.event.HoverEvent;
 import net.kyori.adventure.text.format.NamedTextColor;
 import org.bukkit.Bukkit;
@@ -48,6 +49,29 @@ public class Outlawed extends Appliance implements DisplayName.Prefixed {
         );
     }
 
+    void askForConfirmation(Player player) {
+        Component confirmationMessage = switch(this.getLawStatus(player)) {
+            case DISABLED -> Component.text("Wenn du Vogelfrei aktivierst, darfst du von allen Spielern grundlos angegriffen werden.");
+            case VOLUNTARILY -> Component.text("Wenn du Vogelfrei deaktivierst, darfst du nicht mehr grundlos von Spielern angegriffen werden.");
+            case FORCED -> Component.text("Du darfst zurzeit deinen Vogelfreistatus nicht ändern, da dieser als Strafe auferlegt wurde!");
+        };
+        String command = String.format("/%s confirm", OutlawedCommand.commandName);
+        Component changeText = Component.text(
+            String.format(
+                "Zum ändern deines Vogelfrei status klicke auf diese Nachricht oder tippe '%s'",
+                command
+            ),
+            NamedTextColor.GOLD
+        ).clickEvent(ClickEvent.suggestCommand(command));
+
+        player.sendMessage(
+            Component.text()
+                .append(confirmationMessage.color(NamedTextColor.RED))
+                .appendNewline()
+                .append(changeText)
+        );
+    }
+
     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.");
@@ -103,7 +127,7 @@ public class Outlawed extends Appliance implements DisplayName.Prefixed {
     public Component getStatusDescription(Status status) {
         return switch(status) {
             case DISABLED -> Component.text("Vogelfreistatus inaktiv: ", NamedTextColor.GREEN)
-                .append(Component.text("Es gelten die Standard Regeln!", NamedTextColor.GOLD));
+                .append(Component.text("Es gelten die normalen Regeln!", NamedTextColor.GOLD));
 
             case VOLUNTARILY, FORCED -> Component.text("Vogelfreistatus aktiv: ", NamedTextColor.RED)
                 .append(Component.text("Du darfst von jedem angegriffen und getötet werden!", NamedTextColor.GOLD));

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

@@ -8,20 +8,23 @@ import org.bukkit.command.CommandSender;
 import org.jetbrains.annotations.NotNull;
 
 class OutlawedCommand extends ApplianceCommand.PlayerChecked<Outlawed> {
+    public static final String commandName = "vogelfrei";
+
     public OutlawedCommand() {
-        super("vogelfrei");
+        super(commandName);
     }
 
     @Override
     protected void execute(@NotNull CommandSender sender, @NotNull Command command, @NotNull String label, @NotNull String[] args) throws Exception {
-        try {
-            this.getAppliance().switchLawStatus(this.getPlayer());
-            sender.sendMessage(
-                this.getAppliance()
-                    .getStatusDescription(this.getAppliance().getLawStatus(this.getPlayer()))
-            );
-        } catch(OutlawChangeNotPermitted e) {
-            sender.sendMessage(Component.text(e.getMessage(), NamedTextColor.RED));
+        if(args.length == 1 && args[0].equals("confirm")) {
+            try {
+                this.getAppliance().switchLawStatus(this.getPlayer());
+                sender.sendMessage(this.getAppliance().getStatusDescription(this.getAppliance().getLawStatus(this.getPlayer())));
+            } catch(OutlawChangeNotPermitted e) {
+                sender.sendMessage(Component.text(e.getMessage(), NamedTextColor.RED));
+            }
+        } else {
+            this.getAppliance().askForConfirmation(this.getPlayer());
         }
     }
 }

craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/metaGameplay/varoRank/VaroRank.java

@@ -17,9 +17,9 @@ public class VaroRank extends Appliance implements DisplayName.Prefixed {
     private List<UUID> winners = new ArrayList<>();
     private List<UUID> mostKills = new ArrayList<>();
 
-    private final Component winnerBadge = Component.text("\uD83D\uDC51", NamedTextColor.YELLOW)
+    private final Component winnerBadge = Component.text("\uD83D\uDC51", NamedTextColor.GOLD)
         .hoverEvent(HoverEvent.showText(Component.text("Hat zusammen mit seinem Team Varo gewonnen")));
-    private final Component killBadge = Component.text("\uD83D\uDDE1", NamedTextColor.RED)
+    private final Component killBadge = Component.text("\uD83D\uDDE1", NamedTextColor.GOLD)
         .hoverEvent(HoverEvent.showText(Component.text("Hat zusammen mit seinem Team die meisten Kills in Varo")));
 
     public VaroRank() {

craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/security/antiGrief/AntiGrief.java

@@ -0,0 +1,350 @@
+package eu.mhsl.craftattack.spawn.craftattack.appliances.security.antiGrief;
+
+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.NumberUtil;
+import eu.mhsl.craftattack.spawn.craftattack.appliances.security.antiGrief.commands.AntiGriefCommand;
+import eu.mhsl.craftattack.spawn.craftattack.appliances.security.antiGrief.listener.*;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.event.ClickEvent;
+import net.kyori.adventure.text.event.HoverEvent;
+import net.kyori.adventure.util.Ticks;
+import org.bukkit.Bukkit;
+import org.bukkit.Chunk;
+import org.bukkit.Location;
+import org.bukkit.World;
+import org.bukkit.block.Block;
+import org.bukkit.entity.Player;
+import org.bukkit.event.Event;
+import org.bukkit.event.Listener;
+import org.jetbrains.annotations.NotNull;
+
+import javax.annotation.Nullable;
+import java.util.*;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentSkipListMap;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+import static net.kyori.adventure.text.Component.text;
+
+public class AntiGrief extends Appliance {
+    public record GriefIncident(
+        long timestamp,
+        UUID worldId,
+        int x,
+        int y,
+        int z,
+        String event,
+        String data,
+        Severity severity
+    ) {
+        public GriefIncident(Location loc, Event event, @Nullable Object data, Severity severity) {
+            this(
+                System.currentTimeMillis(),
+                loc.getWorld().getUID(),
+                loc.getBlockX(),
+                loc.getBlockY(),
+                loc.getBlockZ(),
+                event.getEventName(),
+                String.valueOf(data),
+                severity
+            );
+        }
+
+        public enum Severity {
+            /**
+             * No direct severity, but possible beginning of an incident
+             */
+            INFO(0.5f),
+
+            /**
+             * Direct interaction which can lead to damage
+             */
+            LIGHT(1),
+
+            /**
+             * Direkt interaction which can spread to severe incidents
+             */
+            MODERATE(3),
+
+            /**
+             * Direct and most likely harmful interaction
+             */
+            SEVERE(5);
+
+            public final float weight;
+            Severity(float weight) {
+                this.weight = weight;
+            }
+        }
+    }
+
+    public static final class AreaState {
+        public final UUID worldId;
+        public final int chunkX, chunkZ;
+
+        /** Rolling bucket scores for Spike Detection. */
+        public final NavigableMap<Long, Double> scores = new ConcurrentSkipListMap<>();
+        /** Incidents per Bucket */
+        public final Map<Long, List<GriefIncident>> incidentsByBucket = new ConcurrentHashMap<>();
+
+        public volatile double ema = 0.0;
+        public volatile long lastAlertAt = 0L;
+
+        AreaState(UUID worldId, int chunkX, int chunkZ) {
+            this.worldId = worldId;
+            this.chunkX = chunkX;
+            this.chunkZ = chunkZ;
+        }
+
+        public long getInhabitedTime() {
+            return Objects.requireNonNull(Bukkit.getWorld(this.worldId))
+                .getChunkAt(this.chunkX, this.chunkX).getInhabitedTime();
+        }
+
+        void addIncident(GriefIncident incident) {
+            long b = incident.timestamp / BUCKET_DURATION_MS;
+            this.scores.merge(b, (double) incident.severity.weight, Double::sum);
+            this.incidentsByBucket
+                .computeIfAbsent(b, k -> Collections.synchronizedList(new ArrayList<>()))
+                .add(incident);
+        }
+
+        double currentScore(long bucketIdx) {
+            return this.scores.getOrDefault(bucketIdx, 0.0);
+        }
+
+        void prune(long bucket) {
+            long oldest = bucket - BUCKETS_PER_CHUNK;
+            this.scores.headMap(oldest, true).clear();
+            this.incidentsByBucket.keySet().removeIf(b -> b < oldest);
+        }
+
+        boolean isEmpty() {
+            return this.scores.isEmpty() && this.incidentsByBucket.isEmpty();
+        }
+    }
+
+    /** Duration of a time bucket in milliseconds. */
+    private static final long BUCKET_DURATION_MS = 60 * 1000;
+    /** Number of buckets kept in memory per area. Defines analysis window length. */
+    private static final int BUCKETS_PER_CHUNK = 30;
+    /** Maximum retention time for individual incidents in milliseconds. */
+    private static final long INCIDENT_RETAIN_MS = 60 * 60 * 1000;
+    /** Spike factor against EMA baseline. Triggers if current score >= baseline * FACTOR_SPIKE. */
+    private static final double FACTOR_SPIKE = 5.0;
+    /** Absolute threshold for spike detection. Triggers if current score exceeds this value. */
+    private static final double HARD_THRESHOLD = 50.0;
+    /** Cooldown time in ms to suppress repeated alerts for the same area. */
+    private static final long ALERT_COOLDOWN_MS = 2 * 60 * 1000;
+    /** Smoothing factor for EMA baseline. Lower = smoother, higher = more reactive. 0.0 < EMA_ALPHA <= 1.0 */
+    private static final double EMA_ALPHA = 0.2;
+
+    /** Minimal chunk inhabited time to start registering scores linearly to INHABITED_FULL_MS */
+    private static final int INHABITED_MIN_MS = 60 * 60 * 1000;
+    /** Max time to reach 100% effect on the score */
+    private static final int INHABITED_FULL_MS = 24 * 60 * 60 * 1000;
+
+    /** Stores direct incidents mapped by player UUID. */
+    private final Map<UUID, Set<GriefIncident>> directGriefRegistry = new ConcurrentHashMap<>();
+    /** Stores passive incidents mapped by chunk key. */
+    private final Map<Long, Set<GriefIncident>> passiveGriefRegistry = new ConcurrentHashMap<>();
+
+    /** Stores scores by area */
+    private final Map<Long, AreaState> areas = new ConcurrentHashMap<>();
+
+    public void trackDirect(Player player, GriefIncident incident) {
+        this.directGriefRegistry
+            .computeIfAbsent(player.getUniqueId(), uuid -> ConcurrentHashMap.newKeySet())
+            .add(incident);
+
+        this.trackPassive(player.getLocation().getChunk(), incident);
+    }
+
+    public void trackPassive(Chunk chunk, GriefIncident incident) {
+        this.passiveGriefRegistry
+            .computeIfAbsent(chunk.getChunkKey(), aLong -> ConcurrentHashMap.newKeySet())
+            .add(incident);
+
+        final long areaKey = this.packArea(incident.worldId, chunk.getX(), chunk.getZ());
+        this.areas
+            .computeIfAbsent(areaKey, key -> new AreaState(incident.worldId, chunk.getX(), chunk.getZ()))
+            .addIncident(incident);
+    }
+
+    @Override
+    public void onEnable() {
+        Bukkit.getScheduler().runTaskTimerAsynchronously(Main.instance(), () -> {
+            final long now = System.currentTimeMillis();
+            final long bucketIdx = this.bucketIdx(now);
+
+            this.areas.forEach((areaKey, state) -> {
+                final double currentScore = state.currentScore(bucketIdx);
+                if (currentScore <= 0.0) return;
+
+                final double adjustedScore = adjustScoreToInhabitantTime(state, currentScore);
+                if (adjustedScore <= 0.0) return;
+
+                final double base = (state.ema == 0.0) ? adjustedScore : state.ema;
+                final double newBase = EMA_ALPHA * adjustedScore + (1 - EMA_ALPHA) * base;
+                state.ema = Math.max(3, newBase);
+
+                final boolean spike = adjustedScore >= HARD_THRESHOLD || adjustedScore >= base * FACTOR_SPIKE;
+                if (spike && (now - state.lastAlertAt) >= ALERT_COOLDOWN_MS) {
+                    state.lastAlertAt = now;
+                    Bukkit.getScheduler().runTask(Main.instance(), () ->
+                        this.alertAdmins(areaKey, bucketIdx, adjustedScore, newBase)
+                    );
+                }
+            });
+        }, Ticks.TICKS_PER_SECOND, Ticks.TICKS_PER_SECOND);
+
+        Bukkit.getScheduler().runTaskTimerAsynchronously(Main.instance(), () -> {
+            final long cutoff = System.currentTimeMillis() - INCIDENT_RETAIN_MS;
+            final long nowBucket = this.bucketIdx(System.currentTimeMillis());
+
+            this.directGriefRegistry.entrySet().removeIf(e -> {
+                e.getValue().removeIf(inc -> inc.timestamp < cutoff);
+                return e.getValue().isEmpty();
+            });
+
+            this.passiveGriefRegistry.entrySet().removeIf(e -> {
+                e.getValue().removeIf(inc -> inc.timestamp < cutoff);
+                return e.getValue().isEmpty();
+            });
+
+            this.areas.entrySet().removeIf(en -> {
+                AreaState state = en.getValue();
+                state.prune(nowBucket);
+                return state.isEmpty();
+            });
+        }, Ticks.TICKS_PER_SECOND * 30, Ticks.TICKS_PER_SECOND * 30);
+    }
+
+    private static double adjustScoreToInhabitantTime(AreaState state, double currentScore) {
+        final long inhabitedMs = state.getInhabitedTime() * Ticks.SINGLE_TICK_DURATION_MS / Ticks.TICKS_PER_SECOND;
+
+        double factor = (double) (inhabitedMs - INHABITED_MIN_MS) / (double) (INHABITED_FULL_MS - INHABITED_MIN_MS);
+        factor = NumberUtil.clamp(factor, 0.0, 1.0);
+        return currentScore * factor;
+    }
+
+    private void alertAdmins(long areaKey, long bucketIdx, double curr, double baseline) {
+        AreaState meta = this.areas.get(areaKey);
+        if (meta == null) return;
+
+        int cx = meta.chunkX, cz = meta.chunkZ;
+        UUID worldId = meta.worldId;
+
+        World world = Bukkit.getWorld(worldId);
+        if (world == null) return;
+
+        int bx = (cx << 4) + 8;
+        int bz = (cz << 4) + 8;
+        int by = world.getHighestBlockYAt(bx, bz);
+
+        Location center = new Location(world, bx + 0.5, by + 1.0, bz + 0.5);
+        List<Player> nearest = Bukkit.getOnlinePlayers().stream()
+            .filter(p -> p.getWorld().equals(world))
+            .sorted(Comparator.comparingDouble(p -> p.getLocation().distanceSquared(center)))
+            .limit(3)
+            .collect(Collectors.toList());
+
+        String playersHover = nearest.isEmpty()
+            ? "Keine Spieler in der Nähe"
+            : String.join("\n", nearest.stream()
+            .map(p -> String.format("- %s (%.1fm)", p.getName(), Math.sqrt(p.getLocation().distanceSquared(center))))
+            .toList());
+
+        List<GriefIncident> incidents = meta.incidentsByBucket.getOrDefault(bucketIdx, List.of());
+        String incidentsHover = incidents.isEmpty()
+            ? "Keine Details"
+            : String.join("\n", incidents.stream().limit(20)
+            .map(i -> String.format("• %s · %s · %s", i.event, i.severity, i.data))
+            .toList());
+
+        Component coords = text("[" + cx + ", " + cz + "]")
+            .hoverEvent(HoverEvent.showText(text(
+                "Chunk: [" + cx + ", " + cz + "]\n" +
+                    "Block: [" + bx + ", " + by + ", " + bz + "]\n\n" +
+                    "Nächste Spieler:\n" + playersHover
+            )))
+            .clickEvent(ClickEvent.suggestCommand(String.format("/tp %d %d %d", bx, by, bz)));
+
+        Component incCount = text(incidents.size() + " Incidents")
+            .hoverEvent(HoverEvent.showText(text(incidentsHover)));
+
+        Component msg = text("Möglicher Grief in ").append(coords)
+            .append(text(" - score=" + String.format("%.1f", curr)))
+            .append(text(" base=" + String.format("%.1f", baseline)))
+            .append(text(" - ")).append(incCount);
+
+        Bukkit.getOnlinePlayers().stream()
+            .filter(p -> p.hasPermission("antigrief.alert"))
+            .forEach(p -> p.sendMessage(msg));
+
+        Bukkit.getConsoleSender().sendMessage(
+            String.format("[AntiGrief] Alert %s score=%.1f base=%.1f incidents=%d @ [%d,%d]",
+                world.getName(), curr, baseline, incidents.size(), cx, cz));
+    }
+
+    private long bucketIdx(long timestamp) {
+        return timestamp / AntiGrief.BUCKET_DURATION_MS;
+    }
+
+    private long packArea(UUID worldId, int chunkX, int chunkZ) {
+        long chunkKey = (((long)chunkX) << 32) ^ (chunkZ & 0xffffffffL);
+        return worldId.getMostSignificantBits() ^ worldId.getLeastSignificantBits() ^ chunkKey;
+    }
+
+    public Stream<Block> getSurroundingBlocks(Location location) {
+        Block center = location.getBlock();
+        World world = center.getWorld();
+        int x = center.getX();
+        int y = center.getY();
+        int z = center.getZ();
+
+        return Stream.of(
+            world.getBlockAt(x + 1, y, z),
+            world.getBlockAt(x - 1, y, z),
+            world.getBlockAt(x, y + 1, z),
+            world.getBlockAt(x, y - 1, z),
+            world.getBlockAt(x, y, z + 1),
+            world.getBlockAt(x, y, z - 1)
+        );
+    }
+
+    public @Nullable AreaState getInfoAtChunk(Chunk chunk) {
+        long areaKey = this.packArea(chunk.getWorld().getUID(), chunk.getX(), chunk.getZ());
+        return this.areas.get(areaKey);
+    }
+
+    public List<AreaState> getHighesScoredChunks(int limit) {
+        long nowBucket = this.bucketIdx(System.currentTimeMillis());
+
+        return this.areas.values().stream()
+            .sorted(Comparator.comparingDouble((AreaState st) -> st.currentScore(nowBucket)).reversed())
+            .limit(limit)
+            .toList();
+    }
+
+    @Override
+    protected @NotNull List<Listener> listeners() {
+        return List.of(
+            new BlockRelatedGriefListener(),
+            new ExplosionRelatedGriefListener(),
+            new FireRelatedGriefListener(),
+            new LiquidRelatedGriefListener(),
+            new EntityRelatedGriefListener()
+        );
+    }
+
+    @Override
+    protected @NotNull List<ApplianceCommand<?>> commands() {
+        return List.of(
+            new AntiGriefCommand()
+        );
+    }
+}

craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/security/antiGrief/commands/AntiGriefCommand.java

@@ -0,0 +1,63 @@
+package eu.mhsl.craftattack.spawn.craftattack.appliances.security.antiGrief.commands;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import eu.mhsl.craftattack.spawn.core.appliance.ApplianceCommand;
+import eu.mhsl.craftattack.spawn.craftattack.appliances.security.antiGrief.AntiGrief;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.event.HoverEvent;
+import net.kyori.adventure.text.format.NamedTextColor;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandSender;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.List;
+
+public class AntiGriefCommand extends ApplianceCommand.PlayerChecked<AntiGrief> {
+    private final Gson prettyGson = new GsonBuilder().setPrettyPrinting().create();
+
+    public AntiGriefCommand() {
+        super("antiGrief");
+    }
+
+    @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("One argument expected");
+        switch(args[0]) {
+            case "currentChunk": {
+                AntiGrief.AreaState state = this.getAppliance().getInfoAtChunk(this.getPlayer().getChunk());
+                if(state == null) throw new Error("The current chunk does not have a Score!");
+                sender.sendMessage(this.areaStateDisplay(state));
+                sender.sendMessage(String.format("ChunkLoaded: %ds", state.getInhabitedTime() / 1000));
+                break;
+            }
+            case "topChunks": {
+                List<AntiGrief.AreaState> states = this.getAppliance().getHighesScoredChunks(10);
+                sender.sendMessage(Component.empty().append(
+                    states.stream().map(state -> this.areaStateDisplay(state).appendNewline()).toList()
+                ));
+                break;
+            }
+            default: throw new Error("No such option!");
+        }
+    }
+
+    private Component areaStateDisplay(AntiGrief.AreaState state) {
+        var object = Component.text("[\uD83D\uDCC2]", NamedTextColor.GRAY)
+            .append(Component.text(" - ", NamedTextColor.GOLD))
+            .hoverEvent(HoverEvent.showText(Component.text(this.prettyGson.toJson(state))));
+        var location = Component.text(String.format("[%d,%d]", state.chunkX, state.chunkZ), NamedTextColor.YELLOW)
+            .append(Component.text(" > ", NamedTextColor.DARK_GRAY));
+        int incidentCount = state.incidentsByBucket.values().stream().map(List::size).mapToInt(Integer::intValue).sum();
+        var total = Component.text(String.format("ema:%.2f, totalIncidents:%d", state.ema, incidentCount), NamedTextColor.GRAY);
+
+        return Component.empty().append(object, location, total);
+    }
+
+    @Override
+    public @Nullable List<String> onTabComplete(@NotNull CommandSender sender, @NotNull Command command, @NotNull String label, @NotNull String[] args) {
+        if(args.length == 1) return List.of("currentChunk", "topChunks");
+        return null;
+    }
+}

craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/security/antiGrief/listener/BlockRelatedGriefListener.java

@@ -0,0 +1,38 @@
+package eu.mhsl.craftattack.spawn.craftattack.appliances.security.antiGrief.listener;
+
+import eu.mhsl.craftattack.spawn.core.appliance.ApplianceListener;
+import eu.mhsl.craftattack.spawn.craftattack.appliances.security.antiGrief.AntiGrief;
+import org.bukkit.block.Container;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.block.BlockBreakEvent;
+import org.bukkit.inventory.Inventory;
+
+import java.util.Arrays;
+import java.util.Objects;
+
+
+public class BlockRelatedGriefListener extends ApplianceListener<AntiGrief> {
+    @EventHandler
+    public void containerBlockBreak(BlockBreakEvent event) {
+        if(!(event.getBlock().getState() instanceof Container container)) return;
+        Inventory containerInv = container.getInventory();
+        if(containerInv.isEmpty()) return;
+
+        long itemCount = Arrays.stream(containerInv.getStorageContents())
+            .filter(Objects::nonNull)
+            .filter(itemStack -> !itemStack.isEmpty())
+            .count();
+
+        this.getAppliance().trackDirect(
+            event.getPlayer(),
+            new AntiGrief.GriefIncident(
+                event.getBlock().getLocation(),
+                event,
+                event.getBlock().getType(),
+                itemCount > containerInv.getSize() / 2
+                    ? AntiGrief.GriefIncident.Severity.SEVERE
+                    : AntiGrief.GriefIncident.Severity.MODERATE
+            )
+        );
+    }
+}

craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/security/antiGrief/listener/EntityRelatedGriefListener.java

@@ -0,0 +1,142 @@
+package eu.mhsl.craftattack.spawn.craftattack.appliances.security.antiGrief.listener;
+
+import com.destroystokyo.paper.event.entity.CreeperIgniteEvent;
+import eu.mhsl.craftattack.spawn.core.Main;
+import eu.mhsl.craftattack.spawn.core.appliance.ApplianceListener;
+import eu.mhsl.craftattack.spawn.craftattack.appliances.security.antiGrief.AntiGrief;
+import org.bukkit.Bukkit;
+import org.bukkit.entity.EntityType;
+import org.bukkit.entity.Item;
+import org.bukkit.entity.Tameable;
+import org.bukkit.entity.Villager;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.entity.CreatureSpawnEvent;
+import org.bukkit.event.entity.EntityDamageEvent;
+import org.bukkit.event.entity.EntityDeathEvent;
+
+import java.util.List;
+import java.util.Set;
+
+public class EntityRelatedGriefListener extends ApplianceListener<AntiGrief> {
+    @EventHandler
+    public void buildWither(CreatureSpawnEvent event) {
+        if(!event.getSpawnReason().equals(CreatureSpawnEvent.SpawnReason.BUILD_WITHER)) return;
+        this.getAppliance().trackPassive(
+            event.getEntity().getLocation().getChunk(),
+            new AntiGrief.GriefIncident(
+                event.getEntity().getLocation(),
+                event,
+                event.getEntity().getType(),
+                AntiGrief.GriefIncident.Severity.MODERATE
+            )
+        );
+    }
+
+    @EventHandler
+    public void creeperPurposelyIgnite(CreeperIgniteEvent event) {
+        this.getAppliance().trackPassive(
+            event.getEntity().getChunk(),
+            new AntiGrief.GriefIncident(
+                event.getEntity().getLocation(),
+                event,
+                event.getEntity().getType(),
+                AntiGrief.GriefIncident.Severity.SEVERE
+            )
+        );
+    }
+
+    @EventHandler
+    public void villagerDeath(EntityDeathEvent event) {
+        if(!(event.getEntity() instanceof Villager villager)) return;
+
+        if(event.getEntity().getLastDamageCause() != null) {
+            EntityDamageEvent lastDamage = event.getEntity().getLastDamageCause();
+
+            List<EntityDamageEvent.DamageCause> suspiciousCauses = List.of(
+                EntityDamageEvent.DamageCause.FIRE,
+                EntityDamageEvent.DamageCause.LAVA,
+                EntityDamageEvent.DamageCause.PROJECTILE,
+                EntityDamageEvent.DamageCause.ENTITY_ATTACK,
+                EntityDamageEvent.DamageCause.FIRE_TICK
+            );
+            if(!suspiciousCauses.contains(lastDamage.getCause())) return;
+        }
+
+        this.getAppliance().trackPassive(
+            villager.getChunk(),
+            new AntiGrief.GriefIncident(
+                villager.getLocation(),
+                event,
+                List.of(villager.getVillagerType(), String.valueOf(villager.getLastDamageCause())),
+                AntiGrief.GriefIncident.Severity.LIGHT
+            )
+        );
+    }
+
+    @EventHandler
+    public void petKilled(EntityDeathEvent event) {
+        Set<EntityType> petEntities = Set.of(
+            EntityType.SNIFFER,
+            EntityType.WOLF,
+            EntityType.AXOLOTL,
+            EntityType.ALLAY,
+            EntityType.CAMEL,
+            EntityType.PARROT,
+            EntityType.CAT,
+            EntityType.OCELOT,
+            EntityType.HORSE,
+            EntityType.DONKEY,
+            EntityType.MULE,
+            EntityType.LLAMA,
+            EntityType.FOX,
+            EntityType.TURTLE,
+            EntityType.PANDA,
+            EntityType.GOAT,
+            EntityType.BEE
+        );
+
+        if(!petEntities.contains(event.getEntity().getType())) return;
+        this.getAppliance().trackPassive(
+            event.getEntity().getChunk(),
+            new AntiGrief.GriefIncident(
+                event.getEntity().getLocation(),
+                event,
+                event.getEntity().getType(),
+                event.getEntity() instanceof Tameable tameable
+                    ? tameable.isTamed() ? AntiGrief.GriefIncident.Severity.SEVERE : AntiGrief.GriefIncident.Severity.MODERATE
+                    : AntiGrief.GriefIncident.Severity.LIGHT
+            )
+        );
+    }
+
+    @EventHandler
+    public void itemBurned(EntityDamageEvent event) {
+        if(!(event.getEntity() instanceof Item item)) return;
+        int amount = item.getItemStack().getAmount();
+        int half = item.getItemStack().getMaxStackSize() / 2;
+        if (amount < half / 2) return;
+        List<EntityDamageEvent.DamageCause> forbiddenCauses = List.of(
+            EntityDamageEvent.DamageCause.FIRE,
+            EntityDamageEvent.DamageCause.FIRE_TICK,
+            EntityDamageEvent.DamageCause.LAVA,
+            EntityDamageEvent.DamageCause.HOT_FLOOR,
+            EntityDamageEvent.DamageCause.CAMPFIRE
+        );
+        if(forbiddenCauses.contains(event.getCause())) return;
+
+        Bukkit.getScheduler().runTaskLater(Main.instance(), () -> {
+            if (item.isValid() || !item.isDead()) return;
+            this.getAppliance().trackPassive(
+                event.getEntity().getChunk(),
+                new AntiGrief.GriefIncident(
+                    event.getEntity().getLocation(),
+                    event,
+                    event.getEntity().getType(),
+                    amount > half
+                        ? AntiGrief.GriefIncident.Severity.MODERATE
+                        : AntiGrief.GriefIncident.Severity.LIGHT
+                )
+            );
+        }, 1L);
+    }
+}

craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/security/antiGrief/listener/ExplosionRelatedGriefListener.java

@@ -0,0 +1,105 @@
+package eu.mhsl.craftattack.spawn.craftattack.appliances.security.antiGrief.listener;
+
+import eu.mhsl.craftattack.spawn.core.appliance.ApplianceListener;
+import eu.mhsl.craftattack.spawn.craftattack.appliances.security.antiGrief.AntiGrief;
+import org.bukkit.Material;
+import org.bukkit.block.Block;
+import org.bukkit.entity.EntityType;
+import org.bukkit.entity.Player;
+import org.bukkit.entity.minecart.ExplosiveMinecart;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.block.BlockExplodeEvent;
+import org.bukkit.event.block.BlockPlaceEvent;
+import org.bukkit.event.block.TNTPrimeEvent;
+import org.bukkit.event.entity.EntityExplodeEvent;
+import org.bukkit.event.entity.EntityPlaceEvent;
+import org.bukkit.event.vehicle.VehicleCreateEvent;
+
+import java.util.List;
+
+public class ExplosionRelatedGriefListener extends ApplianceListener<AntiGrief> {
+    @EventHandler
+    public void tntPlacement(BlockPlaceEvent event) {
+        if(!event.getBlockPlaced().getType().equals(Material.TNT)) return;
+        this.getAppliance().trackDirect(
+            event.getPlayer(),
+            new AntiGrief.GriefIncident(
+                event.getBlock().getLocation(),
+                event,
+                event.getBlock().getType(),
+                AntiGrief.GriefIncident.Severity.MODERATE
+            )
+        );
+    }
+
+    @EventHandler
+    public void crystalPlacement(EntityPlaceEvent event) {
+        if(!event.getEntityType().equals(EntityType.END_CRYSTAL)) return;
+        AntiGrief.GriefIncident incident = new AntiGrief.GriefIncident(
+            event.getEntity().getLocation(),
+            event,
+            event.getEntityType(),
+            AntiGrief.GriefIncident.Severity.LIGHT
+        );
+        if(event.getPlayer() != null)
+            this.getAppliance().trackDirect(event.getPlayer(), incident);
+        else
+            this.getAppliance().trackPassive(event.getBlock().getChunk(), incident);
+    }
+
+    @EventHandler
+    public void tntPrime(TNTPrimeEvent event) {
+        AntiGrief.GriefIncident incident = new AntiGrief.GriefIncident(
+            event.getBlock().getLocation(),
+            event,
+            List.of(event.getCause(), event.getBlock().getType()),
+            AntiGrief.GriefIncident.Severity.MODERATE
+        );
+
+        if(event.getCause().equals(TNTPrimeEvent.PrimeCause.PLAYER) && event.getPrimingEntity() instanceof Player player) {
+            this.getAppliance().trackDirect(player, incident);
+        }
+
+        this.getAppliance().trackPassive(event.getBlock().getChunk(), incident);
+    }
+
+    @EventHandler
+    public void tntMinecartPlace(VehicleCreateEvent event) {
+        if(!(event.getVehicle() instanceof ExplosiveMinecart minecart)) return;
+        this.getAppliance().trackPassive(
+            event.getVehicle().getChunk(),
+            new AntiGrief.GriefIncident(
+                minecart.getLocation(),
+                event,
+                minecart.getType(),
+                AntiGrief.GriefIncident.Severity.SEVERE
+            )
+        );
+    }
+
+    @EventHandler
+    public void entityExplosion(EntityExplodeEvent event) {
+        this.getAppliance().trackPassive(
+            event.getEntity().getChunk(),
+            new AntiGrief.GriefIncident(
+                event.getLocation(),
+                event,
+                List.of(event.getEntityType(), event.blockList().stream().map(Block::getType).distinct().toList()),
+                AntiGrief.GriefIncident.Severity.MODERATE
+            )
+        );
+    }
+
+    @EventHandler
+    public void blockExplosion(BlockExplodeEvent event) {
+        this.getAppliance().trackPassive(
+            event.getBlock().getChunk(),
+            new AntiGrief.GriefIncident(
+                event.getBlock().getLocation(),
+                event,
+                List.of(event.getBlock().getType(), event.getExplodedBlockState().getType()),
+                AntiGrief.GriefIncident.Severity.MODERATE
+            )
+        );
+    }
+}

craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/security/antiGrief/listener/FireRelatedGriefListener.java

@@ -0,0 +1,82 @@
+package eu.mhsl.craftattack.spawn.craftattack.appliances.security.antiGrief.listener;
+
+import eu.mhsl.craftattack.spawn.core.appliance.ApplianceListener;
+import eu.mhsl.craftattack.spawn.craftattack.appliances.security.antiGrief.AntiGrief;
+import org.bukkit.Material;
+import org.bukkit.block.Block;
+import org.bukkit.block.PistonMoveReaction;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.block.*;
+
+import java.util.List;
+
+public class FireRelatedGriefListener extends ApplianceListener<AntiGrief> {
+    @EventHandler
+    public void activeBlockIgnite(BlockPlaceEvent event) {
+        if(!event.getBlock().getType().equals(Material.FIRE)) return;
+        if(this.getAppliance().getSurroundingBlocks(event.getBlock().getLocation()).noneMatch(Block::isBurnable)) return;
+        this.getAppliance().trackDirect(
+            event.getPlayer(),
+            new AntiGrief.GriefIncident(
+                event.getBlock().getLocation(),
+                event,
+                event.getBlock().getType(),
+                AntiGrief.GriefIncident.Severity.MODERATE
+            )
+        );
+    }
+
+    @EventHandler
+    public void blockIgnite(BlockIgniteEvent event) {
+        if(!event.getBlock().isBurnable()) return;
+        this.getAppliance().trackPassive(
+            event.getBlock().getChunk(),
+            new AntiGrief.GriefIncident(
+                event.getBlock().getLocation(),
+                event,
+                List.of(event.getBlock().getType(), event.getCause()),
+                event.getCause().equals(BlockIgniteEvent.IgniteCause.FLINT_AND_STEEL)
+                    ? AntiGrief.GriefIncident.Severity.MODERATE
+                    : AntiGrief.GriefIncident.Severity.LIGHT
+            )
+        );
+    }
+
+    @EventHandler
+    public void fireSpread(BlockSpreadEvent event) {
+        if(!event.getBlock().getType().equals(Material.FIRE)) return;
+        this.getAppliance().trackPassive(
+            event.getBlock().getChunk(),
+            new AntiGrief.GriefIncident(
+                event.getBlock().getLocation(),
+                event,
+                event.getBlock().getType(),
+                AntiGrief.GriefIncident.Severity.LIGHT
+            )
+        );
+    }
+
+    @EventHandler
+    public void blockBurned(BlockBurnEvent event) {
+        if(event.getBlock().isReplaceable()) return;
+        if(event.getBlock().isPassable()) return;
+        if(event.getBlock().getPistonMoveReaction().equals(PistonMoveReaction.BREAK)) return;
+        if(event.getBlock().getType().name().endsWith("_LEAVES")) return;
+        if(event.getBlock().getType().name().endsWith("_LOG")) return;
+        List<Material> allowed = List.of(
+            Material.MOSS_BLOCK,
+            Material.MOSS_CARPET
+        );
+        if(allowed.contains(event.getBlock().getType())) return;
+
+        this.getAppliance().trackPassive(
+            event.getBlock().getChunk(),
+            new AntiGrief.GriefIncident(
+                event.getBlock().getLocation(),
+                event,
+                event.getBlock().getType(),
+                AntiGrief.GriefIncident.Severity.MODERATE
+            )
+        );
+    }
+}

craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/security/antiGrief/listener/LiquidRelatedGriefListener.java

@@ -0,0 +1,61 @@
+package eu.mhsl.craftattack.spawn.craftattack.appliances.security.antiGrief.listener;
+
+import eu.mhsl.craftattack.spawn.core.appliance.ApplianceListener;
+import eu.mhsl.craftattack.spawn.craftattack.appliances.security.antiGrief.AntiGrief;
+import org.bukkit.Material;
+import org.bukkit.block.Block;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.block.BlockFormEvent;
+import org.bukkit.event.block.BlockFromToEvent;
+import org.bukkit.event.player.PlayerBucketEmptyEvent;
+
+import java.util.List;
+import java.util.concurrent.ThreadLocalRandom;
+
+public class LiquidRelatedGriefListener extends ApplianceListener<AntiGrief> {
+    @EventHandler
+    public void liquidFlow(BlockFromToEvent event) {
+        if(event.getToBlock().isEmpty()) return;
+        if(event.getToBlock().isSolid()) return;
+        if(ThreadLocalRandom.current().nextDouble() < 0.95) return;
+
+        this.getAppliance().trackPassive(
+            event.getToBlock().getChunk(),
+            new AntiGrief.GriefIncident(
+                event.getToBlock().getLocation(),
+                event,
+                event.getToBlock().getType(),
+                AntiGrief.GriefIncident.Severity.INFO
+            )
+        );
+    }
+
+    @EventHandler
+    public void lavaCast(BlockFormEvent event) {
+        if(!event.getNewState().getType().equals(Material.COBBLESTONE)) return;
+        this.getAppliance().trackPassive(
+            event.getBlock().getChunk(),
+            new AntiGrief.GriefIncident(
+                event.getBlock().getLocation(),
+                event,
+                List.of(event.getBlock().getType(), event.getNewState().getType()),
+                AntiGrief.GriefIncident.Severity.LIGHT
+            )
+        );
+    }
+
+    @EventHandler
+    public void lavaPlace(PlayerBucketEmptyEvent event) {
+        if(!event.getBucket().equals(Material.LAVA_BUCKET)) return;
+        if(this.getAppliance().getSurroundingBlocks(event.getBlockClicked().getLocation()).noneMatch(Block::isBurnable)) return;
+        this.getAppliance().trackDirect(
+            event.getPlayer(),
+            new AntiGrief.GriefIncident(
+                event.getBlock().getLocation(),
+                event,
+                List.of(event.getBlock().getType(), event.getBucket()),
+                AntiGrief.GriefIncident.Severity.MODERATE
+            )
+        );
+    }
+}

craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/tweaks/armadilloInfectionReducer/ArmadilloInfectionReducer.java

@@ -0,0 +1,16 @@
+package eu.mhsl.craftattack.spawn.craftattack.appliances.tweaks.armadilloInfectionReducer;
+
+import eu.mhsl.craftattack.spawn.core.appliance.Appliance;
+import org.bukkit.event.Listener;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.List;
+
+public class ArmadilloInfectionReducer extends Appliance {
+    @Override
+    protected @NotNull List<Listener> listeners() {
+        return List.of(
+            new InfectionSpawnListener()
+        );
+    }
+}

craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/tweaks/armadilloInfectionReducer/InfectionSpawnListener.java

@@ -0,0 +1,17 @@
+package eu.mhsl.craftattack.spawn.craftattack.appliances.tweaks.armadilloInfectionReducer;
+
+import eu.mhsl.craftattack.spawn.core.appliance.ApplianceListener;
+import org.bukkit.entity.EntityType;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.entity.CreatureSpawnEvent;
+
+import java.util.concurrent.ThreadLocalRandom;
+
+class InfectionSpawnListener extends ApplianceListener<ArmadilloInfectionReducer> {
+    @EventHandler
+    public void onSpawn(CreatureSpawnEvent event) {
+        if(!event.getSpawnReason().equals(CreatureSpawnEvent.SpawnReason.POTION_EFFECT)) return;
+        if(!event.getEntity().getType().equals(EntityType.SILVERFISH)) return;
+        if(ThreadLocalRandom.current().nextDouble() > 0.7) event.setCancelled(true);
+    }
+}

craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/tweaks/endermanBlockGriefReducer/EndermanBlockChangeListener.java

@@ -0,0 +1,16 @@
+package eu.mhsl.craftattack.spawn.craftattack.appliances.tweaks.endermanBlockGriefReducer;
+
+import eu.mhsl.craftattack.spawn.core.appliance.ApplianceListener;
+import org.bukkit.entity.Enderman;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.entity.EntityChangeBlockEvent;
+
+import java.util.concurrent.ThreadLocalRandom;
+
+class EndermanBlockChangeListener extends ApplianceListener<EndermanBlockGriefReducer> {
+    @EventHandler
+    public void onBlockPickup(EntityChangeBlockEvent event) {
+        if(!(event.getEntity() instanceof Enderman)) return;
+        if(ThreadLocalRandom.current().nextDouble() > 0.7) event.setCancelled(true);
+    }
+}

craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/tweaks/endermanBlockGriefReducer/EndermanBlockGriefReducer.java

@@ -0,0 +1,16 @@
+package eu.mhsl.craftattack.spawn.craftattack.appliances.tweaks.endermanBlockGriefReducer;
+
+import eu.mhsl.craftattack.spawn.core.appliance.Appliance;
+import org.bukkit.event.Listener;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.List;
+
+public class EndermanBlockGriefReducer extends Appliance {
+    @Override
+    protected @NotNull List<Listener> listeners() {
+        return List.of(
+            new EndermanBlockChangeListener()
+        );
+    }
+}

craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/tweaks/mendingReducer/MendingReducer.java

@@ -0,0 +1,16 @@
+package eu.mhsl.craftattack.spawn.craftattack.appliances.tweaks.mendingReducer;
+
+import eu.mhsl.craftattack.spawn.core.appliance.Appliance;
+import org.bukkit.event.Listener;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.List;
+
+public class MendingReducer extends Appliance {
+    @Override
+    protected @NotNull List<Listener> listeners() {
+        return List.of(
+            new MendingRepairListener()
+        );
+    }
+}

craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/tweaks/mendingReducer/MendingRepairListener.java

@@ -0,0 +1,23 @@
+package eu.mhsl.craftattack.spawn.craftattack.appliances.tweaks.mendingReducer;
+
+import eu.mhsl.craftattack.spawn.core.appliance.ApplianceListener;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.player.PlayerItemMendEvent;
+
+public class MendingRepairListener extends ApplianceListener<MendingReducer> {
+    private static final double COST_MULTIPLIER = 2.0;
+
+    @EventHandler
+    public void onMendingRepair(PlayerItemMendEvent event) {
+        int baseConsumed = event.getConsumedExperience();
+        int orbExp = event.getExperienceOrb().getExperience();
+
+        int desiredTotal = (int) Math.ceil(baseConsumed * COST_MULTIPLIER);
+        int extraCost = Math.max(0, desiredTotal - baseConsumed);
+
+        int maxExtraPossible = Math.max(0, orbExp - baseConsumed);
+        int extraApplied = Math.min(extraCost, maxExtraPossible);
+
+        if (extraApplied > 0) event.getExperienceOrb().setExperience(orbExp - extraApplied);
+    }
+}

craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/tweaks/silverfishExpReducer/SilverfishDeathListener.java

@@ -0,0 +1,14 @@
+package eu.mhsl.craftattack.spawn.craftattack.appliances.tweaks.silverfishExpReducer;
+
+import eu.mhsl.craftattack.spawn.core.appliance.ApplianceListener;
+import org.bukkit.entity.EntityType;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.entity.EntityDeathEvent;
+
+class SilverfishDeathListener extends ApplianceListener<SilverfishExpReducer> {
+    @EventHandler
+    public void onDeath(EntityDeathEvent event) {
+        if(!event.getEntity().getType().equals(EntityType.SILVERFISH)) return;
+        event.setDroppedExp(event.getDroppedExp() / 3);
+    }
+}

craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/tweaks/silverfishExpReducer/SilverfishExpReducer.java

@@ -0,0 +1,16 @@
+package eu.mhsl.craftattack.spawn.craftattack.appliances.tweaks.silverfishExpReducer;
+
+import eu.mhsl.craftattack.spawn.core.appliance.Appliance;
+import org.bukkit.event.Listener;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.List;
+
+public class SilverfishExpReducer extends Appliance {
+    @Override
+    public @NotNull List<Listener> listeners() {
+        return List.of(
+            new SilverfishDeathListener()
+        );
+    }
+}

varo/build.gradle

@@ -2,7 +2,7 @@ dependencies {
     implementation project(':core')
     implementation project(':common')
 
-    compileOnly 'io.papermc.paper:paper-api:1.21.7-R0.1-SNAPSHOT'
+    compileOnly 'io.papermc.paper:paper-api:1.21.8-R0.1-SNAPSHOT'
     implementation 'org.apache.httpcomponents:httpclient:4.5.14'
     implementation 'com.sparkjava:spark-core:2.9.4'
 }