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

@@ -8,9 +8,11 @@ import eu.mhsl.craftattack.spawn.craftattack.appliances.gameplay.bloodmoon.comma
 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;
@@ -86,9 +88,11 @@ public class Bloodmoon extends Appliance {
         EntityType.SPIDER
     );
     private @Nullable BukkitTask hordeSpawnTask = null;
-    private final int bloodmoonLegth = 12000;
+    public final int bloodmoonLength = 12000;
+    public final int ticksPerDay = 24000;
+    private final int bloodmoonFreeDaysAtStart = 3;
     private final int bloodmoonStartTime = 12000;
-    private final int daysBetweenBloodmoons = 1;
+    private final int bloodmoonDayInterval = 2;
     private final int minBonusDrops = 1;
     private final int maxBonusDrops = 4;
     private final Map<ItemStack, Integer> bonusDropWeightMap = Map.of(
@@ -112,6 +116,20 @@ public class Bloodmoon extends Appliance {
         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() {
@@ -131,11 +149,6 @@ public class Bloodmoon extends Appliance {
         );
     }
 
-    public void stopBloodmoon() {
-        this.isActive = false;
-        Bukkit.getOnlinePlayers().forEach(player -> player.hideBossBar(this.bossBar));
-    }
-
     public void addPlayerToBossBar(Player player) {
         if(!this.getBloodmoonSetting(player)) return;
         player.showBossBar(this.bossBar);
@@ -167,6 +180,18 @@ public class Bloodmoon extends Appliance {
         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);
@@ -201,12 +226,36 @@ public class Bloodmoon extends Appliance {
         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 BloodmoonEntityDamageListener(),
+            new BloodmoonTimeListener()
         );
     }
 

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

@@ -10,5 +10,6 @@ public class BloodmoonPlayerJoinListener extends ApplianceListener<Bloodmoon> {
     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();
+        }
+    }
+}