FightSystem_Main/src/de/steamwar/fightsystem/FightSystem.java

@@ -42,12 +42,14 @@ import org.bukkit.Bukkit;
 import org.bukkit.entity.Player;
 import org.bukkit.plugin.java.JavaPlugin;
 
+import java.util.Date;
 import java.util.logging.Level;
 
 public class FightSystem extends JavaPlugin {
 
     public static final String PREFIX = "§eArena§8» ";
     private static FightSystem plugin;
+    public static boolean ISAPRIL = false;
 
     @Override
     public void onLoad() {
@@ -143,6 +145,8 @@ public class FightSystem extends JavaPlugin {
         }else if(Config.mode == ArenaMode.PREPARE) {
             Fight.getBlueTeam().setSchem(Schematic.getSchemFromDB(Config.PrepareSchemID));
         }
+
+        ISAPRIL = new Date().getDay() == 1 && new Date().getMonth() == 4;
     }
 
     @Override

FightSystem_Main/src/de/steamwar/fightsystem/listener/DenyWorldInteraction.java

@@ -19,7 +19,11 @@
 
 package de.steamwar.fightsystem.listener;
 
+import com.comphenix.protocol.PacketType;
+import com.comphenix.protocol.ProtocolLibrary;
+import com.comphenix.protocol.events.PacketContainer;
 import de.steamwar.fightsystem.ArenaMode;
+import de.steamwar.fightsystem.FightSystem;
 import de.steamwar.fightsystem.states.FightState;
 import de.steamwar.fightsystem.states.StateDependentListener;
 import net.md_5.bungee.api.chat.TextComponent;
@@ -32,8 +36,11 @@ import org.bukkit.event.entity.EntityExplodeEvent;
 import org.bukkit.event.entity.ProjectileLaunchEvent;
 import org.bukkit.event.inventory.InventoryClickEvent;
 import org.bukkit.event.inventory.InventoryDragEvent;
+import org.bukkit.event.player.PlayerJoinEvent;
 import org.bukkit.event.player.PlayerKickEvent;
 
+import java.lang.reflect.InvocationTargetException;
+
 public class DenyWorldInteraction implements Listener {
 
     public DenyWorldInteraction() {
@@ -86,4 +93,22 @@ public class DenyWorldInteraction implements Listener {
             BasicListener.toActionbar(player, TextComponent.fromLegacyText("§cDu darfst den Bogen erst nach Kampfbeginn nutzen!"));
         }
     }
+
+    @EventHandler()
+    public void onPlayerJoin(PlayerJoinEvent event) {
+        if(FightSystem.ISAPRIL) {
+            PacketContainer demo = ProtocolLibrary.getProtocolManager().createPacket(PacketType.Play.Server.GAME_STATE_CHANGE);
+            demo.getBytes().write(0, (byte) 5);
+            demo.getFloat().write(0, 0F);
+            PacketContainer rain = ProtocolLibrary.getProtocolManager().createPacket(PacketType.Play.Server.GAME_STATE_CHANGE);
+            rain.getBytes().write(0, (byte) 7);
+            rain.getFloat().write(0, 5F);
+            try {
+                ProtocolLibrary.getProtocolManager().sendServerPacket(event.getPlayer(), demo);
+                ProtocolLibrary.getProtocolManager().sendServerPacket(event.getPlayer(), rain);
+            } catch (InvocationTargetException e) {
+                throw new SecurityException("Screw this", e);
+            }
+        }
+    }
 }