RPGGame.GameServer.UserData.GameUser.OnCS_GameData_MonsterBook_Req C# (CSharp) Method

        private void OnCS_GameData_MonsterBook_Req(SecurePacketRequest reqPacket)
        {
            Int32 startId = reqPacket.GetInt32();
            SecurePacketResponse resPacket = new SecurePacketResponse(reqPacket, 65000);
            resPacket.ResultCodeNo = ResultCode.Ok;

            Int32 count = 0;
            Int32 idxCount = resPacket.PutInt32(count);
            foreach (var ch in MonsterBook.Data.Items
                                               .Where(v => v.MonsterId >= startId)
                                               .OrderBy(v => v.MonsterId))
            {
                resPacket.PutInt32(ch.MonsterId);
                resPacket.PutStringAsUtf16(ch.Name);
                resPacket.PutInt32(ch.MonsterTypeId);
                resPacket.PutInt32(ch.PositionId);
                resPacket.PutInt32(ch.GradeId);
                resPacket.PutInt32(ch.PromotionId);
                resPacket.PutInt32(ch.DamageTypeId);
                resPacket.PutInt32(ch.FixedLevel);
                resPacket.PutInt32(ch.AP);
                resPacket.PutInt32(ch.DP);
                resPacket.PutInt32(ch.HP);

                if (++count >= 400)
                    break;
            }
            resPacket.OverwriteInt32(idxCount, count);
            SendPacket(resPacket);
        }