public override void Deserialize(BigEndianReader reader)
 {
     var limit = reader.ReadUShort();
     FinishedAchievementsIds = new short[limit];
     for (int i = 0; i < limit; i++)
     {
         FinishedAchievementsIds[i] = reader.ReadShort();
     }
     limit = reader.ReadUShort();
     RewardableAchievements = new AchievementRewardable[limit];
     for (int i = 0; i < limit; i++)
     {
         RewardableAchievements[i] = new AchievementRewardable();
         RewardableAchievements[i].Deserialize(reader);
     }
 }
 public AchievementListMessage(short[] finishedAchievementsIds, AchievementRewardable[] rewardableAchievements)
 {
     FinishedAchievementsIds = finishedAchievementsIds;
     RewardableAchievements = rewardableAchievements;
 }