More packets implemented.

FFXIVClassic Map Server/packets/send/player/AchievementEarnedPacket.cs

@@ -0,0 +1,20 @@
+using FFXIVClassic_Lobby_Server.packets;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FFXIVClassic_Map_Server.packets.send.player
+{
+    class AchievementEarnedPacket
+    {
+        public const ushort OPCODE = 0x019E;
+        public const uint PACKET_SIZE = 0x28;
+
+        public static SubPacket buildPacket(uint playerActorID, uint achievementID)
+        {
+            return new SubPacket(OPCODE, playerActorID, playerActorID, BitConverter.GetBytes((UInt64)achievementID));
+        }
+    }
+}