merged automatic start with hordes per player

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

common/src/main/java/eu/mhsl/craftattack/spawn/common/appliances/metaGameplay/chatMessages/ChatMessagesListener.java

@@ -21,17 +21,18 @@ class ChatMessagesListener extends ApplianceListener<ChatMessages> {
     public void onPlayerChatEvent(AsyncChatEvent event) {
         event.renderer(
             (source, sourceDisplayName, message, viewer) ->
-                Component.text()
+                Component.text("")
                     .append(this.getAppliance().getReportablePlayerName(source))
                     .append(Component.text(" > ").color(TextColor.color(Color.GRAY.asRGB())))
                     .append(message).color(TextColor.color(Color.SILVER.asRGB()))
-                    .build()
         );
     }
 
     @EventHandler(priority = EventPriority.HIGH)
     public void onPlayerJoin(PlayerJoinEvent event) {
-        if(event.joinMessage() == null) return;
+        boolean wasHidden = event.joinMessage() == null;
+        event.joinMessage(null);
+        if(wasHidden) return;
         IteratorUtil.onlinePlayers(player -> {
             if(!Settings.instance().getSetting(player, Settings.Key.ShowJoinAndLeaveMessages, Boolean.class)) return;
             player.sendMessage(
@@ -44,7 +45,9 @@ class ChatMessagesListener extends ApplianceListener<ChatMessages> {
 
     @EventHandler
     public void onPlayerLeave(PlayerQuitEvent event) {
-        if(event.quitMessage() == null) return;
+        boolean wasHidden = event.quitMessage() == null;
+        event.quitMessage(null);
+        if(wasHidden) return;
         IteratorUtil.onlinePlayers(player -> {
             if(!Settings.instance().getSetting(player, Settings.Key.ShowJoinAndLeaveMessages, Boolean.class)) return;
             player.sendMessage(

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

@@ -38,7 +38,8 @@ public class Settings extends Appliance {
         BorderWarning,
         LocatorBar,
         InfoBars,
-        CoordinateDisplay
+        CoordinateDisplay,
+        Bloodmoon
     }
 
     public static Settings instance() {

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

@@ -1,51 +0,0 @@
-package eu.mhsl.craftattack.spawn.common.appliances.security.antiBoatFreecam;
-
-import eu.mhsl.craftattack.spawn.common.appliances.tooling.acInform.AcInform;
-import eu.mhsl.craftattack.spawn.core.Main;
-import eu.mhsl.craftattack.spawn.core.appliance.Appliance;
-import org.bukkit.Bukkit;
-import org.bukkit.entity.Boat;
-import org.bukkit.entity.Player;
-
-import java.util.HashMap;
-import java.util.Map;
-
-@SuppressWarnings("unused")
-public class AntiBoatFreecam extends Appliance {
-    private static final float MAX_YAW_OFFSET = 106.0f;
-    private final Map<Player, Float> violatedPlayers = new HashMap<>();
-
-    public AntiBoatFreecam() {
-        Bukkit.getScheduler().runTaskTimerAsynchronously(
-            Main.instance(),
-            () -> Bukkit.getOnlinePlayers().forEach(player -> {
-                if(!(player.getVehicle() instanceof Boat boat)) return;
-                if(!boat.getPassengers().getFirst().equals(player)) return;
-                float playerYaw = player.getYaw();
-                float boatYaw = boat.getYaw();
-
-                float yawDelta = wrapDegrees(playerYaw - boatYaw);
-                if(Math.abs(yawDelta) <= MAX_YAW_OFFSET) return;
-
-                this.violatedPlayers.merge(player, 1f, Float::sum);
-                float violationCount = this.violatedPlayers.get(player);
-                if(violationCount != 1 && violationCount % 100 != 0) return;
-                Main.instance().getAppliance(AcInform.class).notifyAdmins(
-                    "internal",
-                    player.getName(),
-                    "illegalBoatLookYaw",
-                    violationCount
-                );
-            }),
-            1L,
-            1L
-        );
-    }
-
-    private static float wrapDegrees(float deg) {
-        deg = deg % 360f;
-        if (deg >= 180f) deg -= 360f;
-        if (deg < -180f) deg += 360f;
-        return deg;
-    }
-}

common/src/main/java/eu/mhsl/craftattack/spawn/common/appliances/security/antiFormattedBook/AntiFormattedBook.java

@@ -1,66 +0,0 @@
-package eu.mhsl.craftattack.spawn.common.appliances.security.antiFormattedBook;
-
-import eu.mhsl.craftattack.spawn.core.appliance.Appliance;
-import net.kyori.adventure.text.*;
-import net.kyori.adventure.text.format.Style;
-import net.kyori.adventure.text.format.TextColor;
-import net.kyori.adventure.text.format.TextDecoration;
-import org.bukkit.event.Listener;
-import org.bukkit.inventory.meta.BookMeta;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-
-import java.util.List;
-import java.util.Objects;
-
-public class AntiFormattedBook extends Appliance {
-    private static final char SECTION = '\u00A7';
-
-    public boolean containsFormatting(BookMeta meta) {
-        if (this.hasFormattingDeep(meta.title())) return true;
-        if (this.hasFormattingDeep(meta.author())) return true;
-
-        for (Component c : meta.pages()) {
-            if (this.hasFormattingDeep(c)) return true;
-        }
-        return false;
-    }
-
-    private boolean hasFormattingDeep(@Nullable Component component) {
-        if(component == null) return false;
-        if (this.hastFormatting(component)) return true;
-
-        if (component instanceof TextComponent tc && tc.content().indexOf(SECTION) >= 0) return true;
-
-        if (component instanceof NBTComponent<?, ?> nbt) {
-            if (nbt.separator() != null && this.hasFormattingDeep(nbt.separator())) return true;
-        }
-
-        for (Component child : component.children()) {
-            if (this.hasFormattingDeep(child)) return true;
-        }
-        return false;
-    }
-
-    private boolean hastFormatting(Component component) {
-        Style style = component.style();
-
-        TextColor color = style.color();
-        if (color != null) return true;
-        if (style.font() != null) return true;
-        if (style.insertion() != null && !Objects.requireNonNull(style.insertion()).isEmpty()) return true;
-
-        for (var decoration : style.decorations().entrySet()) {
-            if (decoration.getValue() == TextDecoration.State.TRUE) return true;
-        }
-
-        return style.hoverEvent() != null || style.clickEvent() != null;
-    }
-
-    @Override
-    protected @NotNull List<Listener> listeners() {
-        return List.of(
-            new BookEditListener()
-        );
-    }
-}

common/src/main/java/eu/mhsl/craftattack/spawn/common/appliances/security/antiFormattedBook/BookEditListener.java

@@ -1,36 +0,0 @@
-package eu.mhsl.craftattack.spawn.common.appliances.security.antiFormattedBook;
-
-import eu.mhsl.craftattack.spawn.common.appliances.tooling.acInform.AcInform;
-import eu.mhsl.craftattack.spawn.core.Main;
-import eu.mhsl.craftattack.spawn.core.appliance.ApplianceListener;
-import net.kyori.adventure.text.Component;
-import org.bukkit.entity.Player;
-import org.bukkit.event.EventHandler;
-import org.bukkit.event.player.PlayerEditBookEvent;
-import org.bukkit.inventory.meta.BookMeta;
-
-import java.util.List;
-
-class BookEditListener extends ApplianceListener<AntiFormattedBook> {
-    @EventHandler
-    public void onBookEdit(PlayerEditBookEvent event) {
-        Player player = event.getPlayer();
-        BookMeta meta = event.getNewBookMeta();
-
-        if (this.getAppliance().containsFormatting(meta)) {
-            Main.instance().getAppliance(AcInform.class).notifyAdmins(
-                "internal",
-                player.getName(),
-                "illegalBookFormatting",
-                1f
-            );
-
-            BookMeta sanitized = meta.clone();
-            sanitized.title(null);
-            sanitized.author(null);
-            //noinspection ResultOfMethodCallIgnored
-            sanitized.pages(List.of(Component.empty()));
-            event.setNewBookMeta(sanitized);
-        }
-    }
-}

common/src/main/java/eu/mhsl/craftattack/spawn/common/appliances/security/antiIllegalBundlePicker/AntiIllegalBundlePicker.java

@@ -1,78 +0,0 @@
-package eu.mhsl.craftattack.spawn.common.appliances.security.antiIllegalBundlePicker;
-
-import eu.mhsl.craftattack.spawn.common.appliances.tooling.acInform.AcInform;
-import eu.mhsl.craftattack.spawn.core.Main;
-import eu.mhsl.craftattack.spawn.core.appliance.Appliance;
-import org.bukkit.Bukkit;
-import org.bukkit.Material;
-import org.bukkit.entity.Player;
-import org.bukkit.event.Listener;
-import org.bukkit.event.inventory.InventoryClickEvent;
-import org.bukkit.inventory.InventoryView;
-import org.bukkit.inventory.ItemStack;
-import org.bukkit.inventory.meta.BundleMeta;
-import org.jetbrains.annotations.NotNull;
-
-import java.util.*;
-import java.util.stream.Collectors;
-
-public class AntiIllegalBundlePicker extends Appliance {
-    private static final int visibleSlotsInBundle = 9;
-
-    public void trackBundle(InventoryClickEvent event) {
-        ItemStack bundle = Objects.requireNonNull(event.getCurrentItem());
-        final int rawSlot = event.getRawSlot();
-        final Player player = (Player) event.getWhoClicked();
-        final InventoryView view = event.getView();
-        final List<ItemStack> before = this.getBundleContents(bundle);
-
-        Bukkit.getScheduler().runTask(Main.instance(), () -> {
-            ItemStack afterStack = view.getItem(rawSlot);
-            if(afterStack == null || afterStack.getType() != Material.BUNDLE) return;
-
-            List<ItemStack> after = this.getBundleContents(afterStack);
-            int removedSlotIndex = this.findRemoved(before, after);
-
-            if(removedSlotIndex >= visibleSlotsInBundle) {
-                Main.instance().getAppliance(AcInform.class).notifyAdmins(
-                    "internal",
-                    player.getName(),
-                    "illegalBundlePick",
-                    (float) removedSlotIndex
-                );
-            }
-        });
-    }
-
-    private int findRemoved(@NotNull List<ItemStack> before, @NotNull List<ItemStack> after) {
-        for (int i = 0; i < Math.max(before.size(), after.size()); i++) {
-            ItemStack a = i < after.size() ? after.get(i) : null;
-            ItemStack b = i < before.size() ? before.get(i) : null;
-
-            if (b == null && a == null) continue;
-            if (b == null) throw new IllegalStateException("Size of bundle was smaller before pickup Action");
-
-            if (a == null) return i;
-            if (!a.isSimilar(b)) return i;
-            if (a.getAmount() != b.getAmount()) return i;
-        }
-        throw new IllegalStateException("Failed to find picked Item in bundle");
-    }
-
-    private List<ItemStack> getBundleContents(@NotNull ItemStack bundle) {
-        if (bundle.getType() != Material.BUNDLE)
-            throw new IllegalStateException("ItemStack is not a bundle");
-
-        BundleMeta meta = (BundleMeta) bundle.getItemMeta();
-        return meta.getItems().stream()
-            .map(ItemStack::clone)
-            .collect(Collectors.toCollection(ArrayList::new));
-    }
-
-    @Override
-    protected @NotNull List<Listener> listeners() {
-        return List.of(
-            new OnBundlePickListener()
-        );
-    }
-}

common/src/main/java/eu/mhsl/craftattack/spawn/common/appliances/security/antiIllegalBundlePicker/OnBundlePickListener.java

@@ -1,18 +0,0 @@
-package eu.mhsl.craftattack.spawn.common.appliances.security.antiIllegalBundlePicker;
-
-import eu.mhsl.craftattack.spawn.core.appliance.ApplianceListener;
-import org.bukkit.Material;
-import org.bukkit.event.EventHandler;
-import org.bukkit.event.inventory.InventoryAction;
-import org.bukkit.event.inventory.InventoryClickEvent;
-import org.bukkit.inventory.ItemStack;
-
-class OnBundlePickListener extends ApplianceListener<AntiIllegalBundlePicker> {
-    @EventHandler
-    public void onBundlePick(InventoryClickEvent event) {
-        if(!event.getAction().equals(InventoryAction.PICKUP_FROM_BUNDLE)) return;
-        final ItemStack bundle = event.getCurrentItem();
-        if (bundle == null || bundle.getType() != Material.BUNDLE) return;
-        this.getAppliance().trackBundle(event);
-    }
-}

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

@@ -0,0 +1,274 @@
+package eu.mhsl.craftattack.spawn.craftattack.appliances.gameplay.bloodmoon;
+
+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.craftattack.appliances.gameplay.bloodmoon.commands.BloodmoonCommand;
+import eu.mhsl.craftattack.spawn.craftattack.appliances.gameplay.bloodmoon.listener.BloodmoonEntityDamageListener;
+import eu.mhsl.craftattack.spawn.craftattack.appliances.gameplay.bloodmoon.listener.BloodmoonMonsterDeathListener;
+import eu.mhsl.craftattack.spawn.craftattack.appliances.gameplay.bloodmoon.listener.BloodmoonPlayerJoinListener;
+import eu.mhsl.craftattack.spawn.craftattack.appliances.gameplay.bloodmoon.listener.BloodmoonTimeListener;
+import net.kyori.adventure.bossbar.BossBar;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.format.NamedTextColor;
+import net.kyori.adventure.text.format.TextDecoration;
+import org.bukkit.Bukkit;
+import org.bukkit.GameMode;
+import org.bukkit.Location;
+import org.bukkit.Material;
+import org.bukkit.entity.Entity;
+import org.bukkit.entity.EntityType;
+import org.bukkit.entity.Player;
+import org.bukkit.event.Listener;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.potion.PotionEffectType;
+import org.bukkit.scheduler.BukkitTask;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.*;
+import java.util.concurrent.ThreadLocalRandom;
+
+public class Bloodmoon extends Appliance {
+    // für alle Dimensionen? einstellbar machen?
+
+    public final Map<EntityType, Set<MobEffect>> affectedMobEffectMap = Map.of(
+        EntityType.ZOMBIE, Set.of(
+            new MobEffect.PotionMobEffect(PotionEffectType.WITHER, 7, 1)
+        ),
+        EntityType.SKELETON, Set.of(
+            new MobEffect.PotionMobEffect(PotionEffectType.SLOWNESS, 3.5, 1)
+        ),
+        EntityType.SPIDER, Set.of(
+            new MobEffect.PotionMobEffect(PotionEffectType.POISON, 4, 1),
+            new MobEffect.PotionMobEffect(PotionEffectType.NAUSEA, 6, 10)
+        ),
+        EntityType.CREEPER, Set.of(
+            new MobEffect.LightningMobEffect()
+        ),
+        EntityType.HUSK, Set.of(
+            new MobEffect.PotionMobEffect(PotionEffectType.WITHER, 7, 1)
+        ),
+        EntityType.DROWNED, Set.of(
+            new MobEffect.PotionMobEffect(PotionEffectType.WITHER, 7, 1)
+        ),
+        EntityType.WITCH, Set.of(),
+        EntityType.ZOMBIE_VILLAGER, Set.of(
+            new MobEffect.PotionMobEffect(PotionEffectType.WITHER, 7, 1)
+        ),
+        EntityType.PHANTOM, Set.of(
+            new MobEffect.PotionMobEffect(PotionEffectType.LEVITATION, 1.5, 3)
+        ),
+        EntityType.ENDERMAN, Set.of(
+            new MobEffect.PotionMobEffect(PotionEffectType.SLOWNESS, 2.5, 2)
+        )
+    );
+    public final int expMultiplier = 4;
+    public final double mobDamageMultipier = 2;
+    public final double mobHealthMultiplier = 3;
+
+    private boolean isActive = false;
+    private final BossBar bossBar = BossBar.bossBar(
+        Component.text("Blutmond", NamedTextColor.DARK_RED),
+        1f,
+        BossBar.Color.RED,
+        BossBar.Overlay.NOTCHED_12,
+        Set.of(BossBar.Flag.CREATE_WORLD_FOG, BossBar.Flag.DARKEN_SCREEN)
+    );
+    private final boolean hordesEnabled = true;
+    private final int hordeSpawnRateTicks = 800;
+    private final int hordeSpawnRateVariationTicks = 800;
+    private final int hordeMinPopulation = 3;
+    private final int hordeMaxPopulation = 10;
+    private final int hordeSpawnDistance = 10;
+    private final List<EntityType> hordeMobList = List.of(
+        EntityType.ZOMBIE,
+        EntityType.SKELETON,
+        EntityType.SPIDER
+    );
+    private final Map<Player, @Nullable BukkitTask> hordeSpawnTasks = new HashMap<>();
+    public final int bloodmoonLength = 12000;
+    public final int ticksPerDay = 24000;
+    private final int bloodmoonFreeDaysAtStart = 3;
+    private final int bloodmoonStartTime = 12000;
+    private final int bloodmoonDayInterval = 2;
+    private final int minBonusDrops = 1;
+    private final int maxBonusDrops = 4;
+    private final Map<ItemStack, Integer> bonusDropWeightMap = Map.of(
+        new ItemStack(Material.IRON_INGOT, 5), 10,
+        new ItemStack(Material.GOLD_INGOT, 2), 5,
+        new ItemStack(Material.DIAMOND, 1), 1,
+        new ItemStack(Material.IRON_BLOCK, 1), 5,
+        new ItemStack(Material.GOLD_BLOCK, 1), 2
+    );
+
+    @Override
+    public void onEnable() {
+        Settings.instance().declareSetting(BloodmoonSetting.class);
+    }
+
+    public boolean bloodmoonIsActive() {
+        return this.isActive;
+    }
+
+    public void startBloodmoon() {
+        this.isActive = true;
+        Bukkit.getOnlinePlayers().forEach(this::addPlayerToBossBar);
+        this.startHordeSpawning(this.getRandomHordeSpawnDelay());
+        this.sendStartMessages();
+    }
+
+    public void stopBloodmoon() {
+        this.isActive = false;
+        Bukkit.getOnlinePlayers().forEach(player -> player.hideBossBar(this.bossBar));
+        this.sendStopMessages();
+    }
+
+    public boolean isStartTick(long tick) {
+        long day = tick / this.ticksPerDay;
+        if(day % this.bloodmoonDayInterval != 0 || day - this.bloodmoonFreeDaysAtStart <= 0) return false;
+        long time = tick - (day * this.ticksPerDay);
+        return time == this.bloodmoonStartTime;
+    }
+
+    private int getRandomHordeSpawnDelay() {
+        return this.hordeSpawnRateTicks + ThreadLocalRandom.current().nextInt(this.hordeSpawnRateVariationTicks);
+    }
+
+    private void startHordeSpawning(int delay) {
+        Bukkit.getOnlinePlayers().forEach(player -> this.startHordeSpawning(delay, player));
+    }
+
+    private void startHordeSpawning(int delay, Player player) {
+        @Nullable BukkitTask task = this.hordeSpawnTasks.get(player);
+        if(task != null) task.cancel();
+        task = Bukkit.getScheduler().runTaskLater(
+                Main.instance(),
+                () -> {
+                    if(!this.bloodmoonIsActive()) return;
+                    this.spawnRandomHorde();
+                    this.startHordeSpawning(this.getRandomHordeSpawnDelay(), player);
+                },
+                delay
+        );
+        this.hordeSpawnTasks.put(player, task);
+    }
+
+    public void addPlayerToBossBar(Player player) {
+        if(!this.getBloodmoonSetting(player)) return;
+        player.showBossBar(this.bossBar);
+    }
+
+    public boolean isAffectedMob(Entity entity) {
+        return this.affectedMobEffectMap.containsKey(entity.getType());
+    }
+
+    public boolean getBloodmoonSetting(Player player) {
+        return Settings.instance().getSetting(
+            player,
+            Settings.Key.Bloodmoon,
+            Boolean.class
+        );
+    }
+
+    public void spawnRandomHorde() {
+        if(Bukkit.getOnlinePlayers().isEmpty()) return;
+        if(!this.hordesEnabled) return;
+        List<? extends Player> onlinePlayerList = Bukkit.getOnlinePlayers().stream()
+            .filter(this::getBloodmoonSetting)
+            .filter(player -> player.getGameMode().equals(GameMode.SURVIVAL))
+            .toList();
+        ThreadLocalRandom random = ThreadLocalRandom.current();
+        Player player = onlinePlayerList.get(random.nextInt(onlinePlayerList.size()));
+        EntityType hordeEntityType = this.hordeMobList.get(random.nextInt(this.hordeMobList.size()));
+        int hordeSize = random.nextInt(this.hordeMinPopulation, this.hordeMaxPopulation + 1);
+        this.spawnHorde(player, hordeSize, hordeEntityType);
+    }
+
+    public void sendWarningMessage(Player p) {
+        p.sendMessage(Component.text("Der Blutmond waltet in diesem Augenblick!", NamedTextColor.RED));
+    }
+
+    public void sendAnnouncementMessages() {
+        this.sendMessage(Component.text("Der Blutmond naht; morgen wird er den Himmel beherrschen", NamedTextColor.GOLD));
+    }
+
+    public void sendPreStartMessages() {
+        this.sendMessage(Component.text("Der Himmel ist heute Nacht ungewöhnlich düster", NamedTextColor.DARK_PURPLE));
+    }
+
+    private void spawnHorde(Player player, int size, EntityType type) {
+        for(int i = 0; i < size; i++) {
+            double spawnRadiant = ThreadLocalRandom.current().nextDouble(0, 2*Math.PI);
+            Location mobSpawnLocation = player.getLocation().add(
+                Math.sin(spawnRadiant)*this.hordeSpawnDistance,
+                0,
+                Math.cos(spawnRadiant)*this.hordeSpawnDistance
+            );
+            mobSpawnLocation.setY(player.getWorld().getHighestBlockYAt(mobSpawnLocation) + 1);
+            player.getWorld().spawnEntity(mobSpawnLocation, type);
+            player.getWorld().strikeLightningEffect(mobSpawnLocation);
+        }
+    }
+
+    public List<ItemStack> getRandomBonusDrops() {
+        int itemCount = ThreadLocalRandom.current().nextInt(this.minBonusDrops, this.maxBonusDrops + 1);
+        List<ItemStack> result = new ArrayList<>();
+        for(int i = 0; i < itemCount; i++) {
+            result.add(this.getRandomBonusDrop());
+        }
+        return result;
+    }
+
+    private ItemStack getRandomBonusDrop() {
+        int totalWeight = this.bonusDropWeightMap.values().stream().mapToInt(value -> value).sum();
+        int randomInt = ThreadLocalRandom.current().nextInt(0, totalWeight + 1);
+        int cumulativeWeight = 0;
+        for(Map.Entry<ItemStack, Integer> entry : this.bonusDropWeightMap.entrySet()) {
+            cumulativeWeight += entry.getValue();
+            if(randomInt <= cumulativeWeight) return entry.getKey();
+        }
+        return null;
+    }
+
+    private void sendMessage(Component message) {
+        if(Bukkit.getOnlinePlayers().isEmpty()) return;
+        List<? extends Player> onlinePlayers = Bukkit.getOnlinePlayers().stream()
+            .filter(this::getBloodmoonSetting)
+            .toList();
+        onlinePlayers.forEach(player -> player.sendMessage(message));
+    }
+
+    private void sendStartMessages() {
+        this.sendMessage(
+            Component.empty()
+                .append(Component.text("Der Blutmond ist über uns", NamedTextColor.DARK_RED, TextDecoration.BOLD))
+                .appendNewline()
+                .append(Component.text("Erfahrung vervielfacht sich und Mobs lassen reichere Beute fallen", NamedTextColor.RED))
+                .appendNewline()
+                .append(Component.text("Mobs sind erstarkt und belegen dich mit finsteren Debuffs", NamedTextColor.RED))
+        );
+    }
+
+    private void sendStopMessages() {
+        this.sendMessage(Component.text("Der Blutmond weicht...", NamedTextColor.GREEN, TextDecoration.BOLD));
+    }
+
+    @Override
+    protected @NotNull List<Listener> listeners() {
+        return List.of(
+            new BloodmoonMonsterDeathListener(),
+            new BloodmoonPlayerJoinListener(),
+            new BloodmoonEntityDamageListener(),
+            new BloodmoonTimeListener()
+        );
+    }
+
+    @Override
+    protected @NotNull List<ApplianceCommand<?>> commands() {
+        return List.of(
+            new BloodmoonCommand()
+        );
+    }
+}

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

@@ -0,0 +1,56 @@
+package eu.mhsl.craftattack.spawn.craftattack.appliances.gameplay.bloodmoon;
+
+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 eu.mhsl.craftattack.spawn.core.Main;
+import eu.mhsl.craftattack.spawn.core.util.world.InteractSounds;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.format.NamedTextColor;
+import org.bukkit.Material;
+import org.bukkit.entity.Player;
+import org.bukkit.event.inventory.ClickType;
+
+public class BloodmoonSetting extends BoolSetting implements CategorizedSetting {
+    public BloodmoonSetting() {
+        super(Settings.Key.Bloodmoon);
+    }
+
+    @Override
+    public SettingCategory category() {
+        return SettingCategory.Misc; // TODO: mehr als 8 bug fixen
+    }
+
+    @Override
+    protected String title() {
+        return "Blutmond";
+    }
+
+    @Override
+    protected String description() {
+        return "Kämpfe während dem Blutmond gegen stärkere Monster mit besseren Drops. Kann nicht während dem Blutmond geändert werden!";
+    }
+
+    @Override
+    protected Material icon() {
+        return Material.CLOCK;
+    }
+
+    @Override
+    protected Boolean defaultValue() {
+        return true;
+    }
+
+    // TODO: Settings deaktivierbar machen
+
+    @Override
+    protected void change(Player player, ClickType clickType) {
+        if(Main.instance().getAppliance(Bloodmoon.class).bloodmoonIsActive()) {
+            InteractSounds.of(player).delete();
+            player.sendMessage(Component.text("Während dem Blutmond kann diese Einstellung nicht geändert werden!", NamedTextColor.RED));
+            return;
+        }
+        super.change(player, clickType);
+    }
+}

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

@@ -0,0 +1,29 @@
+package eu.mhsl.craftattack.spawn.craftattack.appliances.gameplay.bloodmoon;
+
+import net.kyori.adventure.util.Ticks;
+import org.bukkit.entity.Player;
+import org.bukkit.potion.PotionEffect;
+import org.bukkit.potion.PotionEffectType;
+
+public abstract class MobEffect {
+    public abstract void apply(Player p);
+
+    public static class PotionMobEffect extends MobEffect {
+        private final PotionEffect effect;
+        public PotionMobEffect(PotionEffectType type, double seconds, int amplifier) {
+            this.effect = new PotionEffect(type, (int) (seconds * Ticks.TICKS_PER_SECOND), amplifier);
+        }
+
+        @Override
+        public void apply(Player p) {
+            p.addPotionEffect(this.effect);
+        }
+    }
+
+    public static class LightningMobEffect extends MobEffect {
+        @Override
+        public void apply(Player p) {
+            p.getWorld().strikeLightning(p.getLocation());
+        }
+    }
+}

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

@@ -0,0 +1,44 @@
+package eu.mhsl.craftattack.spawn.craftattack.appliances.gameplay.bloodmoon.commands;
+
+import eu.mhsl.craftattack.spawn.core.appliance.ApplianceCommand;
+import eu.mhsl.craftattack.spawn.craftattack.appliances.gameplay.bloodmoon.Bloodmoon;
+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 BloodmoonCommand extends ApplianceCommand<Bloodmoon> {
+    public BloodmoonCommand() {
+        super("bloodmoon");
+    }
+
+    @Override
+    protected void execute(@NotNull CommandSender sender, @NotNull Command command, @NotNull String label, @NotNull String[] args) throws Exception {
+        if(args.length == 0) {
+            sender.sendMessage("Bloodmoon is currently %s.".formatted(this.getAppliance().bloodmoonIsActive() ? "active" : "inactive"));
+            return;
+        }
+
+        switch(args[0]) {
+            case "start": {
+                this.getAppliance().startBloodmoon();
+                sender.sendMessage("Started bloodmoon.");
+                break;
+            }
+            case "stop": {
+                this.getAppliance().stopBloodmoon();
+                sender.sendMessage("Stopped bloodmoon.");
+                break;
+            }
+            default: throw new Error("No such option: '%s' !".formatted(args[0]));
+        }
+    }
+
+    @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("start", "stop");
+        return null;
+    }
+}

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

@@ -0,0 +1,35 @@
+package eu.mhsl.craftattack.spawn.craftattack.appliances.gameplay.bloodmoon.listener;
+
+import eu.mhsl.craftattack.spawn.core.appliance.ApplianceListener;
+import eu.mhsl.craftattack.spawn.craftattack.appliances.gameplay.bloodmoon.Bloodmoon;
+import org.bukkit.entity.Entity;
+import org.bukkit.entity.LivingEntity;
+import org.bukkit.entity.Player;
+import org.bukkit.entity.Projectile;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.entity.EntityDamageByEntityEvent;
+
+public class BloodmoonEntityDamageListener extends ApplianceListener<Bloodmoon> {
+    @EventHandler
+    public void onEntityDamage(EntityDamageByEntityEvent event) {
+        if(!this.getAppliance().bloodmoonIsActive()) return;
+        Entity damagerEntity = event.getDamager();
+        if(damagerEntity instanceof Projectile projectile) {
+            if(!(projectile.getShooter() instanceof Entity shooter)) return;
+            damagerEntity = shooter;
+        }
+        if(!(damagerEntity instanceof LivingEntity damager && event.getEntity() instanceof LivingEntity receiver)) return;
+        if(event.getFinalDamage() == 0) return;
+
+        if(this.getAppliance().isAffectedMob(damager) && receiver instanceof Player player) {
+            if(!this.getAppliance().getBloodmoonSetting(player)) return;
+            event.setDamage(event.getDamage() * this.getAppliance().mobDamageMultipier);
+            this.getAppliance().affectedMobEffectMap.get(damager.getType()).forEach(mobEffect -> mobEffect.apply(player));
+            return;
+        }
+        if(this.getAppliance().isAffectedMob(receiver) && damager instanceof Player player) {
+            if(!this.getAppliance().getBloodmoonSetting(player)) return;
+            event.setDamage(event.getDamage() / this.getAppliance().mobHealthMultiplier);
+        }
+    }
+}

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

@@ -0,0 +1,23 @@
+package eu.mhsl.craftattack.spawn.craftattack.appliances.gameplay.bloodmoon.listener;
+
+import eu.mhsl.craftattack.spawn.core.appliance.ApplianceListener;
+import eu.mhsl.craftattack.spawn.craftattack.appliances.gameplay.bloodmoon.Bloodmoon;
+import org.bukkit.entity.LivingEntity;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.entity.EntityDeathEvent;
+
+public class BloodmoonMonsterDeathListener extends ApplianceListener<Bloodmoon> {
+    @EventHandler
+    public void onMonsterDeath(EntityDeathEvent event) {
+        if(!this.getAppliance().bloodmoonIsActive()) return;
+        if(!(event.getDamageSource().getCausingEntity() instanceof Player player)) return;
+        if(!this.getAppliance().getBloodmoonSetting(player)) return;
+        LivingEntity entity = event.getEntity();
+        if(!this.getAppliance().isAffectedMob(entity)) return;
+
+        event.setDroppedExp(event.getDroppedExp() * this.getAppliance().expMultiplier);
+        event.getDrops().addAll(this.getAppliance().getRandomBonusDrops());
+        entity.getWorld().strikeLightningEffect(entity.getLocation());
+    }
+}

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

@@ -0,0 +1,15 @@
+package eu.mhsl.craftattack.spawn.craftattack.appliances.gameplay.bloodmoon.listener;
+
+import eu.mhsl.craftattack.spawn.core.appliance.ApplianceListener;
+import eu.mhsl.craftattack.spawn.craftattack.appliances.gameplay.bloodmoon.Bloodmoon;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.player.PlayerJoinEvent;
+
+public class BloodmoonPlayerJoinListener extends ApplianceListener<Bloodmoon> {
+    @EventHandler
+    public void onPlayerJoin(PlayerJoinEvent event) {
+        if(!this.getAppliance().bloodmoonIsActive()) return;
+        this.getAppliance().addPlayerToBossBar(event.getPlayer());
+        this.getAppliance().sendWarningMessage(event.getPlayer());
+    }
+}

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

@@ -0,0 +1,28 @@
+package eu.mhsl.craftattack.spawn.craftattack.appliances.gameplay.bloodmoon.listener;
+
+import com.destroystokyo.paper.event.server.ServerTickStartEvent;
+import eu.mhsl.craftattack.spawn.core.appliance.ApplianceListener;
+import eu.mhsl.craftattack.spawn.craftattack.appliances.gameplay.bloodmoon.Bloodmoon;
+import org.bukkit.Bukkit;
+import org.bukkit.event.EventHandler;
+
+public class BloodmoonTimeListener extends ApplianceListener<Bloodmoon> {
+    @EventHandler
+    public void onServerTick(ServerTickStartEvent event) {
+        if(this.getAppliance().isStartTick(Bukkit.getWorlds().getFirst().getFullTime())) {
+            this.getAppliance().startBloodmoon();
+            return;
+        }
+        if(this.getAppliance().isStartTick(Bukkit.getWorlds().getFirst().getFullTime() - this.getAppliance().bloodmoonLength)) {
+            this.getAppliance().stopBloodmoon();
+            return;
+        }
+        if(this.getAppliance().isStartTick(Bukkit.getWorlds().getFirst().getFullTime() + this.getAppliance().ticksPerDay)) {
+            this.getAppliance().sendAnnouncementMessages();
+            return;
+        }
+        if(this.getAppliance().isStartTick(Bukkit.getWorlds().getFirst().getFullTime() + 1000)) {
+            this.getAppliance().sendPreStartMessages();
+        }
+    }
+}