feat: Add rotation packet handling after player spawn.

Author: huanmeng-qwq

api/src/main/java/me/tofaa/entitylib/wrapper/WrapperPlayer.java

@@ -7,6 +7,8 @@
 import com.github.retrooper.packetevents.protocol.player.UserProfile;
 import com.github.retrooper.packetevents.wrapper.PacketWrapper;
 import com.github.retrooper.packetevents.wrapper.play.server.WrapperPlayServerDestroyEntities;
+import com.github.retrooper.packetevents.wrapper.play.server.WrapperPlayServerEntityHeadLook;
+import com.github.retrooper.packetevents.wrapper.play.server.WrapperPlayServerEntityRotation;
 import com.github.retrooper.packetevents.wrapper.play.server.WrapperPlayServerPlayerInfoRemove;
 import com.github.retrooper.packetevents.wrapper.play.server.WrapperPlayServerPlayerInfoUpdate;
 import com.github.retrooper.packetevents.wrapper.play.server.WrapperPlayServerSpawnPlayer;
@@ -16,6 +18,7 @@
 import java.util.List;
 import java.util.UUID;
 import net.kyori.adventure.text.Component;
+import org.jetbrains.annotations.NotNull;
 
 public class WrapperPlayer extends WrapperLivingEntity {
 
@@ -43,6 +46,14 @@ protected PacketWrapper<?> createSpawnPacket() {
         return super.createSpawnPacket();
     }
 
+    @Override
+    public @NotNull List<PacketWrapper<?>> createSpawnPackets() {
+        final List<PacketWrapper<?>> packets = super.createSpawnPackets();
+        packets.add(new WrapperPlayServerEntityRotation(getEntityId(), getYaw(), getPitch(), isOnGround()));
+        packets.add(new WrapperPlayServerEntityHeadLook(getEntityId(), getYaw()));
+        return packets;
+    }
+
     public WrapperPlayServerPlayerInfoUpdate tabListPacket() {
         EnumSet<WrapperPlayServerPlayerInfoUpdate.Action> actions = EnumSet.of(
                 WrapperPlayServerPlayerInfoUpdate.Action.ADD_PLAYER,