Finished figuring out and implementing the last friend list and black list packets.

FFXIVClassic Map Server/packets/send/social/FriendStatusPacket.cs

@@ -0,0 +1,46 @@
+using FFXIVClassic_Lobby_Server.packets;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FFXIVClassic_Map_Server.packets.send.social
+{
+    class FriendStatusPacket
+    {
+        public const ushort OPCODE = 0x01CF;
+        public const uint PACKET_SIZE = 0x686;
+
+        public static SubPacket buildPacket(uint playerActorID, Tuple<long, bool>[] friendStatus)
+        {
+            byte[] data = new byte[PACKET_SIZE - 0x20];
+
+            using (MemoryStream mem = new MemoryStream(data))
+            {
+                using (BinaryWriter binWriter = new BinaryWriter(mem))
+                {
+                    binWriter.Write((UInt32)0);
+                    int max;
+
+                    if (friendStatus.Length <= 200)
+                        max = friendStatus.Length;
+                    else
+                        max = 200;
+
+                    binWriter.Write((UInt32)max);
+
+                    for (int i = 0; i < max; i++)
+                    {
+                        binWriter.Write((UInt64)friendStatus[i].Item1);
+                        binWriter.Write((UInt64)(friendStatus[i].Item2 ? 1 : 0));
+                    }
+
+                }
+            }
+
+            return new SubPacket(OPCODE, playerActorID, playerActorID, data);
+        }
+    }
+}

FFXIVClassic Map Server/packets/send/social/FriendlistAddedPacket.cs

@@ -13,7 +13,7 @@ namespace FFXIVClassic_Map_Server.packets.send.social
         public const ushort OPCODE = 0x01CC;
         public const uint PACKET_SIZE = 0x067;
 
-        public static SubPacket buildPacket(uint playerActorID, bool isSuccess, uint index, bool isOnline, string nameToAdd)
+        public static SubPacket buildPacket(uint playerActorID, bool isSuccess, long id, bool isOnline, string nameToAdd)
         {
             byte[] data = new byte[PACKET_SIZE - 0x20];
 
@@ -21,8 +21,7 @@ namespace FFXIVClassic_Map_Server.packets.send.social
             {
                 using (BinaryWriter binWriter = new BinaryWriter(mem))
                 {
-                    binWriter.Write((UInt32)index);
+                    binWriter.Write((UInt64)id);
-                    binWriter.Write((UInt32)0);
                     binWriter.Write((byte)(isOnline ? 1 : 0));
                     binWriter.Write((byte)(isSuccess ? 1 : 0));
                     binWriter.Write(Encoding.ASCII.GetBytes(nameToAdd), 0, Encoding.ASCII.GetByteCount(nameToAdd) >= 0x20 ? 0x20 : Encoding.ASCII.GetByteCount(nameToAdd));

FFXIVClassic Map Server/packets/send/social/SendBlacklistPacket.cs

@@ -0,0 +1,44 @@
+using FFXIVClassic_Lobby_Server.packets;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FFXIVClassic_Map_Server.packets.send.social
+{
+    class SendBlacklistPacket
+    {
+        public const ushort OPCODE = 0x01CB;
+        public const uint PACKET_SIZE = 0x686;
+
+        public static SubPacket buildPacket(uint playerActorID, string[] blacklistedNames, ref int offset)
+        {
+            byte[] data = new byte[PACKET_SIZE - 0x20];
+
+            using (MemoryStream mem = new MemoryStream(data))
+            {
+                using (BinaryWriter binWriter = new BinaryWriter(mem))
+                {                    
+                    binWriter.Write((UInt32)0);
+                    int max;
+
+                    if (blacklistedNames.Length - offset <= 0x32)
+                        max = blacklistedNames.Length - offset;
+                    else
+                        max = 0x32;
+
+                    binWriter.Write((UInt32)max);
+
+                    for (int i = 0; i < max; i++ )
+                        binWriter.Write(Encoding.ASCII.GetBytes(blacklistedNames[i]), 0, Encoding.ASCII.GetByteCount(blacklistedNames[i]) >= 0x20 ? 0x20 : Encoding.ASCII.GetByteCount(blacklistedNames[i]));
+
+                    offset += max;
+                }
+            }
+
+            return new SubPacket(OPCODE, playerActorID, playerActorID, data);
+        }
+    }
+}

FFXIVClassic Map Server/packets/send/social/SendFriendlistPacket.cs

@@ -0,0 +1,47 @@
+using FFXIVClassic_Lobby_Server.packets;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FFXIVClassic_Map_Server.packets.send.social
+{
+    class SendFriendlistPacket
+    {
+        public const ushort OPCODE = 0x01CE;
+        public const uint PACKET_SIZE = 0x686;
+
+        public static SubPacket buildPacket(uint playerActorID, Tuple<long, string>[] friends, ref int offset)
+        {
+            byte[] data = new byte[PACKET_SIZE - 0x20];
+
+            using (MemoryStream mem = new MemoryStream(data))
+            {
+                using (BinaryWriter binWriter = new BinaryWriter(mem))
+                {                    
+                    binWriter.Write((UInt32)0);
+                    int max;
+
+                    if (friends.Length - offset <= 0x32)
+                        max = friends.Length - offset;
+                    else
+                        max = 0x32;
+
+                    binWriter.Write((UInt32)max);
+
+                    for (int i = 0; i < max; i++)
+                    {
+                        binWriter.Write(Encoding.ASCII.GetBytes(friends[i].Item2), 0, Encoding.ASCII.GetByteCount(friends[i].Item2) >= 0x20 ? 0x20 : Encoding.ASCII.GetByteCount(friends[i].Item2));
+                        binWriter.Write((UInt64)friends[i].Item1);
+                    }
+
+                    offset += max;
+                }
+            }
+
+            return new SubPacket(OPCODE, playerActorID, playerActorID, data);
+        }
+    }
+}