src/de/steamwar/lobby/LobbySystem.java

@@ -44,6 +44,8 @@ public class LobbySystem extends JavaPlugin {
 		pm.registerEvents(new EnderPearlListener(), instance);
 
 		getCommand("fly").setExecutor(new FlyCommand());
+
+		new RabbitListener();
 	}
 
 	

src/de/steamwar/lobby/listener/PlayerConnectionListener.java

@@ -46,6 +46,7 @@ public class PlayerConnectionListener implements Listener {
         player.teleport(new Location(Bukkit.getWorlds().get(0), Config.SpawnX, Config.SpawnY, Config.SpawnZ, Config.Yaw, Config.Pitch));
         player.getInventory().clear();
         LobbyInventory.givePlayerLobbyItems(player);
+        player.getInventory().setHelmet(RabbitListener.getEggHead());
         player.setGameMode(GameMode.ADVENTURE);
         player.setHealth(20);
         player.setFoodLevel(20);

src/de/steamwar/lobby/listener/PlayerSeatListener.java

@@ -88,7 +88,7 @@ public class PlayerSeatListener implements Listener {
         if (((Stairs) event.getClickedBlock().getBlockData()).getShape() != Stairs.Shape.STRAIGHT)
             return;
 
-        if (event.getPlayer().isInsideVehicle())
+        if (event.getPlayer().isInsideVehicle() && event.getPlayer().getVehicle().getType() == EntityType.ARROW)
             event.getPlayer().getVehicle().remove();
 
         if (event.getClickedBlock().getRelative(0, 1, 0).getType() != Material.AIR)
@@ -111,7 +111,7 @@ public class PlayerSeatListener implements Listener {
     public void onEntityDismount(EntityDismountEvent event) {
         seats.remove(getSeatLocation(event.getDismounted().getLocation()));
 
-        if (event.getEntityType() != EntityType.PLAYER)
+        if (event.getEntityType() != EntityType.ARROW)
             return;
 
         event.getDismounted().remove();
@@ -119,7 +119,7 @@ public class PlayerSeatListener implements Listener {
 
     @EventHandler
     public void onPlayerQuit(PlayerQuitEvent event) {
-        if (event.getPlayer().isInsideVehicle())
+        if (event.getPlayer().isInsideVehicle() && event.getPlayer().getVehicle().getType() == EntityType.ARROW)
             event.getPlayer().getVehicle().remove();
     }
 

src/de/steamwar/lobby/listener/RabbitListener.java

@@ -0,0 +1,113 @@
+package de.steamwar.lobby.listener;
+
+import com.mojang.authlib.GameProfile;
+import com.mojang.authlib.properties.Property;
+import de.steamwar.lobby.LobbySystem;
+import de.steamwar.lobby.utils.Config;
+import org.bukkit.*;
+import org.bukkit.entity.EntityType;
+import org.bukkit.entity.Firework;
+import org.bukkit.entity.Player;
+import org.bukkit.entity.Rabbit;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.entity.EntityDamageEvent;
+import org.bukkit.event.player.PlayerInteractEntityEvent;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.FireworkMeta;
+import org.bukkit.inventory.meta.SkullMeta;
+
+import java.lang.reflect.Field;
+import java.time.Instant;
+import java.util.*;
+
+public class RabbitListener implements Listener {
+
+    private static final List<String> EGGS = new ArrayList<>();
+
+    static {
+        EGGS.add("eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvMjkxYzQyYjE3MWZlZDZiZWE2ZmRmNGQ4NzJkNThiZDMzZDdjZTA5ZWVlZGRhMzZlNTQxNTFmODg5MDY2YmU0ZSJ9fX0=");
+        EGGS.add("eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvYTMwNGJkMzE2MTFmODYzYTZiMDFlNmUzZjVhN2MwOWQwYWU1YzA3YTA5NDEyZmNhYTMxYmM1Mzc2OGYzYjI4OSJ9fX0=");
+        EGGS.add("eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvOWIyY2VkNGU1NjYwNWFiZDJhNjA4YjZkNzE1MDE2NzhjNjBjNTcyMjYwNGZlYWE3MjEwNjc2OWIwZDNhYzc1OSJ9fX0=");
+        EGGS.add("eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvYzQyZWFlMTJiNjg0OWU1YTg2Zjg0NzczNWI5ZDY5ZTE4OWYzNjYwNjE1NmE1Yzk2ODU5ZjRlODljMjQzYTI5MyJ9fX0=");
+        EGGS.add("eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvYTZhNjA1MWY3ZjZmNDM5ZDhmMjE0YzIzNGU4ZTJjNDc3NjMwMDUyNDMyZTQyNjA3ZjA0MDRiODQwYjUzY2VhYiJ9fX0=");
+        EGGS.add("eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvOTI0ODY5Nzk5ZWZkM2UzZTI2N2ZlYjQ1ZjEyYzk0YWJhMTJiYWQzMTk1NmNmMmU0MmYwMzVkN2U5YjRjIn19fQ==");
+        EGGS.add("eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvZjIxMDkwNzlkZGUxNWFkYWU1NTljNDdhYTZkZTRiZGFkYjE4NmE0YjMwZGE1YWNiZWU3NDE1YTk3ODhmN2UifX19");
+        EGGS.add("eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvOWViZjc4ZTFjMWIwMWRlY2ZiNmIzZGY1MjU4MTY4YzNhYTg3NDg3MWJlNGJjNGRiMjU1ODRlZDU5MGE1NTdiMiJ9fX0=");
+        EGGS.add("eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvZGEzZGRjZTJjNTU2ZjIyZmRhMzE3OTc4MzlmZmQxZDA0MjhhZmUxMmE0NWMwNzM1NTk1MWY0NDRjNzc0YWQifX19");
+    }
+
+    public RabbitListener() {
+        Bukkit.getPluginManager().registerEvents(this, LobbySystem.getInstance());
+        World world = Bukkit.getWorlds().get(0);
+        spreadRabbits(250, world);
+        Bukkit.getScheduler().runTaskTimer(LobbySystem.getInstance(), () -> {
+            Rabbit rabbit = world.getEntitiesByClass(Rabbit.class).iterator().next();
+            world.spawn(rabbit.getLocation(), Firework.class, firework -> {
+                FireworkMeta meta = firework.getFireworkMeta();
+                meta.clearEffects();
+                meta.addEffects(FireworkEffect.builder().with(FireworkEffect.Type.BURST).trail(true).withColor(Color.WHITE).build());
+                meta.setPower(1);
+                firework.setFireworkMeta(meta);
+            });
+        }, 60*20, 60*20);
+    }
+
+    public static void spreadRabbits(int count, World world) {
+        world.setAmbientSpawnLimit(count);
+        world.setAnimalSpawnLimit(count);
+        world.setMonsterSpawnLimit(count);
+        Random rand = new Random();
+        int boundX = Config.BorderMaxX - Config.BorderMinX;
+        int boundZ = Config.BorderMaxZ - Config.BorderMinZ;
+        for (int i = 0; i < count; i++) {
+            int relX = rand.nextInt(boundX);
+            int relZ = rand.nextInt(boundZ);
+            Location loc = new Location(world, relX + Config.BorderMinX, 255, relZ + Config.BorderMinZ);
+            world.spawn(loc, Rabbit.class, rabbit -> {
+                rabbit.setRabbitType(Rabbit.Type.WHITE);
+                rabbit.setInvulnerable(true);
+                rabbit.setCustomName("§fOsterhase");
+                rabbit.setPersistent(true);
+            });
+        }
+    }
+
+    @EventHandler
+    public void onEntityDamage(EntityDamageEvent event) {
+        if(event.getEntityType() == EntityType.RABBIT) {
+            event.setCancelled(true);
+        }
+    }
+
+    @EventHandler
+    public void onPlayerInteractEntity(PlayerInteractEntityEvent event) {
+        if(event.getRightClicked().getType() == EntityType.RABBIT) {
+            Player p = event.getPlayer();
+            event.setCancelled(true);
+            event.getRightClicked().addPassenger(p);
+        }
+    }
+
+    public static ItemStack getEggHead() {
+        return getCustomTextureHead(new ItemStack(Material.PLAYER_HEAD),
+                EGGS.get(Math.toIntExact(Instant.now().getEpochSecond() % EGGS.size())));
+    }
+
+    private static ItemStack getCustomTextureHead(ItemStack head, String value) {
+        SkullMeta meta = (SkullMeta) head.getItemMeta();
+        meta.setDisplayName("§eEierkopf");
+        GameProfile profile = new GameProfile(UUID.randomUUID(), "");
+        profile.getProperties().put("textures", new Property("textures", value));
+        Field profileField = null;
+        try {
+            profileField = meta.getClass().getDeclaredField("profile");
+            profileField.setAccessible(true);
+            profileField.set(meta, profile);
+        } catch (IllegalArgumentException | IllegalAccessException | NoSuchFieldException | SecurityException e) {
+            e.printStackTrace();
+        }
+        head.setItemMeta(meta);
+        return head;
+    }
+}