public List <RowData> GetNears(string AccountId, int Count)
{
List <RowData> result = new List <RowData>();
lock (sync)
{
LblItem playerData = GetItemByAccountId(AccountId);
if (playerData != null)
{
List <RowData> upList = new List <RowData>();
List <RowData> downList = new List <RowData>();
int midRank = GetRank(new LeaderboardKey(playerData.Score, playerData.AccountId));
#region UP_LIST
for (int rank = midRank - Count / 2; rank < midRank - 1; rank++)
{
if (rank >= 0 && rank < sortList.Count)
{
string uId = sortList.Values[rank];
LblItem item = GetItemByAccountId(uId);
if (item != null)
{
upList.Add(item.GetView());
}
}
}
#endregion
#region DOWN_LIST
for (int rank = midRank; rank < midRank + Count / 2; rank++)
{
if (rank >= 0 && rank < sortList.Count)
{
string uId = sortList.Values[rank];
LblItem item = GetItemByAccountId(uId);
if (item != null)
{
downList.Add(item.GetView());
}
}
}
#endregion
result.AddRange(upList);
result.Add(playerData.GetView());
result.AddRange(downList);
}
}
return(result);
}
public void AddOrUpdate(string AccountId, float Score, int DeltaRank = 0)
{
lock (sync)
{
if (isInit)
{
if (id_data_dic.TryGetValue(AccountId, out LblItem item))
{
int prevRank = GetRank(new LeaderboardKey(item.Score, AccountId));
sortList.Remove(new LeaderboardKey(item.Score, AccountId));
item.Score = Score;
sortList.Add(new LeaderboardKey(Score, AccountId), AccountId);
int curRank = GetRank(new LeaderboardKey(item.Score, AccountId));
item.DeltaRank = prevRank - curRank;
}
else
{
item = new LblItem()
{
AccountId = AccountId,
Score = Score
};
id_data_dic.TryAdd(AccountId, item);
sortList.Add(new LeaderboardKey(Score, AccountId), AccountId);
item.DeltaRank = DeltaRank;
}
}
else
{
preUpdate.Add(new LeaderboardKey(Score, AccountId, DeltaRank));
}
}
}
private int GetRank(LblItem item)
{
lock (sync)
return(sortList.IndexOfKey(new LeaderboardKey(item.Score, item.AccountId)) + 1);
}