161b27e2f2
(hopefully) fix an issue with banned players causing exception if they create events before they are kicked out fix issues with sometimes wrong error message for timeout show most recent IP address at top of alias list optimization to some sql queries
1187 lines
48 KiB
C#
1187 lines
48 KiB
C#
using IW4MAdmin.Plugins.Stats.Cheat;
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using IW4MAdmin.Plugins.Stats.Models;
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using IW4MAdmin.Plugins.Stats.Web.Dtos;
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using Microsoft.EntityFrameworkCore;
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using SharedLibraryCore;
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using SharedLibraryCore.Database;
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using SharedLibraryCore.Database.Models;
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using SharedLibraryCore.Helpers;
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using SharedLibraryCore.Interfaces;
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using System;
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using System.Collections.Concurrent;
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using System.Collections.Generic;
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using System.Linq;
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using System.Linq.Expressions;
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using System.Threading;
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using System.Threading.Tasks;
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using static IW4MAdmin.Plugins.Stats.Cheat.Detection;
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namespace IW4MAdmin.Plugins.Stats.Helpers
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{
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public class StatManager
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{
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private const int MAX_CACHED_HITS = 100;
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private readonly ConcurrentDictionary<long, ServerStats> _servers;
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private readonly ILogger _log;
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private static List<EFServer> serverModels;
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public static string CLIENT_STATS_KEY = "ClientStats";
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public static string CLIENT_DETECTIONS_KEY = "ClientDetections";
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public StatManager(IManager mgr)
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{
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_servers = new ConcurrentDictionary<long, ServerStats>();
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_log = mgr.GetLogger(0);
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}
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private void SetupServerIds()
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{
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using (var ctx = new DatabaseContext(disableTracking: true))
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{
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serverModels = ctx.Set<EFServer>().ToList();
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}
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}
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public static Expression<Func<EFRating, bool>> GetRankingFunc(long? serverId = null)
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{
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var fifteenDaysAgo = DateTime.UtcNow.AddDays(-15);
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return (r) => r.ServerId == serverId &&
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r.When > fifteenDaysAgo &&
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r.RatingHistory.Client.Level != EFClient.Permission.Banned &&
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r.Newest &&
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r.ActivityAmount >= Plugin.Config.Configuration().TopPlayersMinPlayTime;
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}
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/// <summary>
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/// gets a ranking across all servers for given client id
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/// </summary>
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/// <param name="clientId">client id of the player</param>
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/// <returns></returns>
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public static async Task<int> GetClientOverallRanking(int clientId)
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{
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using (var context = new DatabaseContext(true))
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{
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var clientPerformance = await context.Set<EFRating>()
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.Where(r => r.RatingHistory.ClientId == clientId)
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.Where(r => r.ServerId == null)
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.Where(r => r.Newest)
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.Select(r => r.Performance)
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.FirstOrDefaultAsync();
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if (clientPerformance != 0)
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{
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var iqClientRanking = context.Set<EFRating>()
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.Where(r => r.RatingHistory.ClientId != clientId)
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.Where(r => r.Performance > clientPerformance)
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.Where(GetRankingFunc());
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return await iqClientRanking.CountAsync() + 1;
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}
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return 0;
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}
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}
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public async Task<List<TopStatsInfo>> GetTopStats(int start, int count, long? serverId = null)
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{
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using (var context = new DatabaseContext(true))
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{
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// setup the query for the clients within the given rating range
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var iqClientRatings = (from rating in context.Set<EFRating>()
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.Where(GetRankingFunc(serverId))
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select new
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{
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rating.RatingHistory.ClientId,
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rating.RatingHistory.Client.CurrentAlias.Name,
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rating.RatingHistory.Client.LastConnection,
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rating.Performance,
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})
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.OrderByDescending(c => c.Performance)
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.Skip(start)
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.Take(count);
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#if DEBUG == true
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var clientRatingsSql = iqClientRatings.ToSql();
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#endif
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// materialized list
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var clientRatings = await iqClientRatings.ToListAsync();
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// get all the unique client ids that are in the top stats
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var clientIds = clientRatings
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.GroupBy(r => r.ClientId)
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.Select(r => r.First().ClientId)
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.ToList();
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var iqRatingInfo = from rating in context.Set<EFRating>()
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where clientIds.Contains(rating.RatingHistory.ClientId)
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where rating.ServerId == serverId
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select new
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{
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rating.Ranking,
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rating.Performance,
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rating.RatingHistory.ClientId,
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rating.When
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};
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#if DEBUG == true
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var ratingQuery = iqRatingInfo.ToSql();
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#endif
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var ratingInfo = (await iqRatingInfo.ToListAsync())
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.GroupBy(r => r.ClientId)
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.Select(grp => new
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{
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grp.Key,
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Ratings = grp.Select(r => new { r.Performance, r.Ranking, r.When })
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});
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var iqStatsInfo = (from stat in context.Set<EFClientStatistics>()
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where clientIds.Contains(stat.ClientId)
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where stat.Kills > 0 || stat.Deaths > 0
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where serverId == null ? true : stat.ServerId == serverId
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group stat by stat.ClientId into s
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select new
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{
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ClientId = s.Key,
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Kills = s.Sum(c => c.Kills),
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Deaths = s.Sum(c => c.Deaths),
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KDR = s.Sum(c => (c.Kills / (double)(c.Deaths == 0 ? 1 : c.Deaths)) * c.TimePlayed) / s.Sum(c => c.TimePlayed),
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TotalTimePlayed = s.Sum(c => c.TimePlayed),
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});
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var topPlayers = await iqStatsInfo.ToListAsync();
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var clientRatingsDict = clientRatings.ToDictionary(r => r.ClientId);
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var finished = topPlayers.Select(s => new TopStatsInfo()
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{
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ClientId = s.ClientId,
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Id = (int?)serverId ?? 0,
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Deaths = s.Deaths,
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Kills = s.Kills,
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KDR = Math.Round(s.KDR, 2),
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LastSeen = Utilities.GetTimePassed(clientRatingsDict[s.ClientId].LastConnection, false),
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Name = clientRatingsDict[s.ClientId].Name,
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Performance = Math.Round(clientRatingsDict[s.ClientId].Performance, 2),
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RatingChange = ratingInfo.First(r => r.Key == s.ClientId).Ratings.First().Ranking - ratingInfo.First(r => r.Key == s.ClientId).Ratings.Last().Ranking,
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PerformanceHistory = ratingInfo.First(r => r.Key == s.ClientId).Ratings.Count() > 1 ?
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ratingInfo.First(r => r.Key == s.ClientId).Ratings.OrderBy(r => r.When).Select(r => r.Performance).ToList() :
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new List<double>() { clientRatingsDict[s.ClientId].Performance, clientRatingsDict[s.ClientId].Performance },
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TimePlayed = Math.Round(s.TotalTimePlayed / 3600.0, 1).ToString("#,##0"),
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})
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.OrderByDescending(r => r.Performance)
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.ToList();
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// set the ranking numerically
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int i = start + 1;
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foreach (var stat in finished)
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{
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stat.Ranking = i;
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i++;
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}
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return finished;
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}
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}
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/// <summary>
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/// Add a server to the StatManager server pool
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/// </summary>
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/// <param name="sv"></param>
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public void AddServer(Server sv)
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{
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// insert the server if it does not exist
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try
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{
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if (serverModels == null)
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{
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SetupServerIds();
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}
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long serverId = GetIdForServer(sv);
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EFServer server;
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using (var ctx = new DatabaseContext(disableTracking: true))
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{
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var serverSet = ctx.Set<EFServer>();
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// get the server from the database if it exists, otherwise create and insert a new one
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server = serverSet.FirstOrDefault(s => s.ServerId == serverId);
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// the server might be using legacy server id
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if (server == null)
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{
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server = serverSet.FirstOrDefault(s => s.EndPoint == sv.ToString());
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if (server != null)
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{
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// this provides a way to identify legacy server entries
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server.EndPoint = sv.ToString();
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ctx.Update(server);
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ctx.SaveChanges();
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}
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}
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// server has never been added before
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if (server == null)
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{
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server = new EFServer()
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{
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Port = sv.Port,
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EndPoint = sv.ToString(),
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ServerId = serverId,
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GameName = sv.GameName
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};
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server = serverSet.Add(server).Entity;
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// this doesn't need to be async as it's during initialization
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ctx.SaveChanges();
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}
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// we want to set the gamename up if it's never been set, or it changed
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else if (!server.GameName.HasValue || server.GameName.HasValue && server.GameName.Value != sv.GameName)
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{
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server.GameName = sv.GameName;
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ctx.Entry(server).Property(_prop => _prop.GameName).IsModified = true;
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ctx.SaveChanges();
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}
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}
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// check to see if the stats have ever been initialized
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var serverStats = InitializeServerStats(server.ServerId);
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_servers.TryAdd(serverId, new ServerStats(server, serverStats, sv)
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{
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IsTeamBased = sv.Gametype != "dm"
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});
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}
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catch (Exception e)
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{
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_log.WriteError($"{Utilities.CurrentLocalization.LocalizationIndex["PLUGIN_STATS_ERROR_ADD"]} - {e.Message}");
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_log.WriteDebug(e.GetExceptionInfo());
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}
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}
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/// <summary>
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/// Add Player to the player stats
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/// </summary>
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/// <param name="pl">Player to add/retrieve stats for</param>
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/// <returns>EFClientStatistic of specified player</returns>
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public async Task<EFClientStatistics> AddPlayer(EFClient pl)
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{
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try
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{
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long serverId = GetIdForServer(pl.CurrentServer);
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if (!_servers.ContainsKey(serverId))
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{
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_log.WriteError($"[Stats::AddPlayer] Server with id {serverId} could not be found");
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return null;
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}
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// get the client's stats from the database if it exists, otherwise create and attach a new one
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// if this fails we want to throw an exception
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EFClientStatistics clientStats;
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using (var ctx = new DatabaseContext(disableTracking: true))
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{
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var clientStatsSet = ctx.Set<EFClientStatistics>();
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clientStats = clientStatsSet
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.Include(cl => cl.HitLocations)
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.FirstOrDefault(c => c.ClientId == pl.ClientId && c.ServerId == serverId);
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if (clientStats == null)
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{
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clientStats = new EFClientStatistics()
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{
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Active = true,
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ClientId = pl.ClientId,
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Deaths = 0,
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Kills = 0,
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ServerId = serverId,
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Skill = 0.0,
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SPM = 0.0,
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EloRating = 200.0,
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HitLocations = Enum.GetValues(typeof(IW4Info.HitLocation)).OfType<IW4Info.HitLocation>().Select(hl => new EFHitLocationCount()
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{
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Active = true,
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HitCount = 0,
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Location = hl
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}).ToList()
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};
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// insert if they've not been added
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clientStats = clientStatsSet.Add(clientStats).Entity;
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await ctx.SaveChangesAsync();
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}
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pl.SetAdditionalProperty(CLIENT_STATS_KEY, clientStats);
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// migration for previous existing stats
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if (clientStats.HitLocations.Count == 0)
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{
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clientStats.HitLocations = Enum.GetValues(typeof(IW4Info.HitLocation)).OfType<IW4Info.HitLocation>()
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.Select(hl => new EFHitLocationCount()
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{
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Active = true,
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HitCount = 0,
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Location = hl
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})
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.ToList();
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ctx.Update(clientStats);
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await ctx.SaveChangesAsync();
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}
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// for stats before rating
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if (clientStats.EloRating == 0.0)
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{
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clientStats.EloRating = clientStats.Skill;
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}
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if (clientStats.RollingWeightedKDR == 0)
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{
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clientStats.RollingWeightedKDR = clientStats.KDR;
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}
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// set these on connecting
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clientStats.LastActive = DateTime.UtcNow;
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clientStats.LastStatCalculation = DateTime.UtcNow;
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clientStats.SessionScore = pl.Score;
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clientStats.LastScore = pl.Score;
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pl.SetAdditionalProperty(CLIENT_DETECTIONS_KEY, new Detection(_log, clientStats));
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pl.CurrentServer.Logger.WriteInfo($"Added {pl} to stats");
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}
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return clientStats;
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}
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catch (Exception ex)
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{
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_log.WriteWarning("Could not add client to stats");
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_log.WriteDebug(ex.GetExceptionInfo());
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}
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return null;
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}
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/// <summary>
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/// Perform stat updates for disconnecting client
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/// </summary>
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/// <param name="pl">Disconnecting client</param>
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/// <returns></returns>
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public async Task RemovePlayer(EFClient pl)
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{
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pl.CurrentServer.Logger.WriteInfo($"Removing {pl} from stats");
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long serverId = GetIdForServer(pl.CurrentServer);
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var serverStats = _servers[serverId].ServerStatistics;
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// get individual client's stats
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var clientStats = pl.GetAdditionalProperty<EFClientStatistics>(CLIENT_STATS_KEY);
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// sync their stats before they leave
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clientStats = UpdateStats(clientStats);
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await SaveClientStats(clientStats);
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// increment the total play time
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serverStats.TotalPlayTime += pl.ConnectionLength;
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}
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private static async Task SaveClientStats(EFClientStatistics clientStats)
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{
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using (var ctx = new DatabaseContext())
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{
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ctx.Update(clientStats);
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await ctx.SaveChangesAsync();
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}
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}
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public void AddDamageEvent(string eventLine, int attackerClientId, int victimClientId, long serverId)
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{
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}
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/// <summary>
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/// Process stats for kill event
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/// </summary>
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/// <returns></returns>
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public async Task AddScriptHit(bool isDamage, DateTime time, EFClient attacker, EFClient victim, long serverId, string map, string hitLoc, string type,
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string damage, string weapon, string killOrigin, string deathOrigin, string viewAngles, string offset, string isKillstreakKill, string Ads,
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string fraction, string visibilityPercentage, string snapAngles)
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{
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Vector3 vDeathOrigin = null;
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Vector3 vKillOrigin = null;
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Vector3 vViewAngles = null;
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var snapshotAngles = new List<Vector3>();
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SemaphoreSlim waiter = null;
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try
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{
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try
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{
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vDeathOrigin = Vector3.Parse(deathOrigin);
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vKillOrigin = Vector3.Parse(killOrigin);
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vViewAngles = Vector3.Parse(viewAngles).FixIW4Angles();
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foreach (string angle in snapAngles.Split(':', StringSplitOptions.RemoveEmptyEntries))
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{
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snapshotAngles.Add(Vector3.Parse(angle).FixIW4Angles());
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}
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}
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catch (FormatException)
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{
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_log.WriteError("Could not parse vector data from hit");
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_log.WriteDebug($"Kill - {killOrigin} Death - {deathOrigin} ViewAngle - {viewAngles} Snapshot - {string.Join(",", snapshotAngles.Select(_a => _a.ToString()))}");
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return;
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}
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var hit = new EFClientKill()
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{
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Active = true,
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AttackerId = attacker.ClientId,
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VictimId = victim.ClientId,
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ServerId = serverId,
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DeathOrigin = vDeathOrigin,
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KillOrigin = vKillOrigin,
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DeathType = ParseEnum<IW4Info.MeansOfDeath>.Get(type, typeof(IW4Info.MeansOfDeath)),
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Damage = int.Parse(damage),
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HitLoc = ParseEnum<IW4Info.HitLocation>.Get(hitLoc, typeof(IW4Info.HitLocation)),
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Weapon = ParseEnum<IW4Info.WeaponName>.Get(weapon, typeof(IW4Info.WeaponName)),
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ViewAngles = vViewAngles,
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TimeOffset = long.Parse(offset),
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When = time,
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IsKillstreakKill = isKillstreakKill[0] != '0',
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AdsPercent = float.Parse(Ads, System.Globalization.CultureInfo.InvariantCulture),
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Fraction = double.Parse(fraction, System.Globalization.CultureInfo.InvariantCulture),
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VisibilityPercentage = double.Parse(visibilityPercentage, System.Globalization.CultureInfo.InvariantCulture),
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IsKill = !isDamage,
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AnglesList = snapshotAngles
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};
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if (hit.HitLoc == IW4Info.HitLocation.shield)
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{
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// we don't care about shield hits
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return;
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}
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var clientDetection = attacker.GetAdditionalProperty<Detection>(CLIENT_DETECTIONS_KEY);
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var clientStats = attacker.GetAdditionalProperty<EFClientStatistics>(CLIENT_STATS_KEY);
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waiter = clientStats.ProcessingHit;
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await waiter.WaitAsync(Utilities.DefaultCommandTimeout, Plugin.ServerManager.CancellationToken);
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// increment their hit count
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if (hit.DeathType == IW4Info.MeansOfDeath.MOD_PISTOL_BULLET ||
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hit.DeathType == IW4Info.MeansOfDeath.MOD_RIFLE_BULLET ||
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hit.DeathType == IW4Info.MeansOfDeath.MOD_HEAD_SHOT)
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{
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clientStats.HitLocations.First(hl => hl.Location == hit.HitLoc).HitCount += 1;
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}
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if (hit.IsKillstreakKill)
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{
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return;
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}
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if (Plugin.Config.Configuration().StoreClientKills)
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{
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var serverWaiter = _servers[serverId].OnSaving;
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try
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{
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await serverWaiter.WaitAsync();
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var cache = _servers[serverId].HitCache;
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cache.Add(hit);
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if (cache.Count > MAX_CACHED_HITS)
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{
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await SaveHitCache(serverId);
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}
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}
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catch (Exception e)
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{
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_log.WriteError("Could not store client kills");
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_log.WriteDebug(e.GetExceptionInfo());
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}
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finally
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{
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if (serverWaiter.CurrentCount == 0)
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{
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serverWaiter.Release(1);
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}
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}
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}
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|
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if (Plugin.Config.Configuration().EnableAntiCheat && !attacker.IsBot && attacker.ClientId != victim.ClientId)
|
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{
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DetectionPenaltyResult result = new DetectionPenaltyResult() { ClientPenalty = EFPenalty.PenaltyType.Any };
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clientDetection.TrackedHits.Add(hit);
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|
|
if (clientDetection.TrackedHits.Count >= Detection.MIN_HITS_TO_RUN_DETECTION)
|
|
{
|
|
while (clientDetection.TrackedHits.Count > 0)
|
|
{
|
|
var oldestHit = clientDetection.TrackedHits
|
|
.OrderBy(_hits => _hits.TimeOffset)
|
|
.First();
|
|
|
|
clientDetection.TrackedHits.Remove(oldestHit);
|
|
|
|
result = clientDetection.ProcessHit(oldestHit, isDamage);
|
|
#if !DEBUG
|
|
await ApplyPenalty(result, attacker);
|
|
#endif
|
|
|
|
if (clientDetection.Tracker.HasChanges && result.ClientPenalty != EFPenalty.PenaltyType.Any)
|
|
{
|
|
await SaveTrackedSnapshots(clientDetection);
|
|
|
|
if (result.ClientPenalty == EFPenalty.PenaltyType.Ban)
|
|
{
|
|
// we don't care about any additional hits now that they're banned
|
|
clientDetection.TrackedHits.Clear();
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
catch (Exception ex)
|
|
{
|
|
_log.WriteError("Could not save hit or AC info");
|
|
_log.WriteDebug(ex.GetExceptionInfo());
|
|
_log.WriteDebug($"Attacker: {attacker} Victim: {victim}, ServerId {serverId}");
|
|
}
|
|
|
|
finally
|
|
{
|
|
if (waiter?.CurrentCount == 0)
|
|
{
|
|
waiter.Release();
|
|
}
|
|
}
|
|
}
|
|
|
|
public async Task SaveHitCache(long serverId)
|
|
{
|
|
using (var ctx = new DatabaseContext(true))
|
|
{
|
|
var server = _servers[serverId];
|
|
ctx.AddRange(server.HitCache.ToList());
|
|
await ctx.SaveChangesAsync();
|
|
server.HitCache.Clear();
|
|
}
|
|
}
|
|
|
|
private bool ShouldUseDetection(long serverId, DetectionType detectionType)
|
|
{
|
|
var detectionTypes = Plugin.Config.Configuration().ServerDetectionTypes;
|
|
|
|
if (detectionTypes == null)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
if (!detectionTypes.ContainsKey(serverId))
|
|
{
|
|
return true;
|
|
}
|
|
|
|
return detectionTypes[serverId].Contains(detectionType);
|
|
}
|
|
|
|
async Task ApplyPenalty(DetectionPenaltyResult penalty, EFClient attacker)
|
|
{
|
|
// allow disabling of certain detection types
|
|
if (!ShouldUseDetection(attacker.CurrentServer.EndPoint, penalty.Type))
|
|
{
|
|
return;
|
|
}
|
|
|
|
var penaltyClient = Utilities.IW4MAdminClient(attacker.CurrentServer);
|
|
switch (penalty.ClientPenalty)
|
|
{
|
|
case EFPenalty.PenaltyType.Ban:
|
|
if (attacker.Level == EFClient.Permission.Banned)
|
|
{
|
|
break;
|
|
}
|
|
|
|
penaltyClient.AdministeredPenalties = new List<EFPenalty>()
|
|
{
|
|
new EFPenalty()
|
|
{
|
|
AutomatedOffense = penalty.Type == Detection.DetectionType.Bone ?
|
|
$"{penalty.Type}-{(int)penalty.Location}-{Math.Round(penalty.Value, 2)}@{penalty.HitCount}" :
|
|
$"{penalty.Type}-{Math.Round(penalty.Value, 2)}@{penalty.HitCount}",
|
|
}
|
|
};
|
|
|
|
await attacker.Ban(Utilities.CurrentLocalization.LocalizationIndex["PLUGIN_STATS_CHEAT_DETECTED"], penaltyClient, false).WaitAsync(Utilities.DefaultCommandTimeout, attacker.CurrentServer.Manager.CancellationToken);
|
|
break;
|
|
case EFPenalty.PenaltyType.Flag:
|
|
if (attacker.Level != EFClient.Permission.User)
|
|
{
|
|
break;
|
|
}
|
|
|
|
string flagReason = penalty.Type == Cheat.Detection.DetectionType.Bone ?
|
|
$"{penalty.Type}-{(int)penalty.Location}-{Math.Round(penalty.Value, 2)}@{penalty.HitCount}" :
|
|
$"{penalty.Type}-{Math.Round(penalty.Value, 2)}@{penalty.HitCount}";
|
|
|
|
await attacker.Flag(flagReason, penaltyClient, new TimeSpan(168, 0, 0)).WaitAsync(Utilities.DefaultCommandTimeout, attacker.CurrentServer.Manager.CancellationToken);
|
|
break;
|
|
}
|
|
}
|
|
|
|
async Task SaveTrackedSnapshots(Detection clientDetection)
|
|
{
|
|
EFACSnapshot change;
|
|
|
|
using (var ctx = new DatabaseContext(true))
|
|
{
|
|
while ((change = clientDetection.Tracker.GetNextChange()) != default(EFACSnapshot))
|
|
{
|
|
ctx.Add(change);
|
|
}
|
|
await ctx.SaveChangesAsync();
|
|
}
|
|
}
|
|
|
|
public async Task AddStandardKill(EFClient attacker, EFClient victim)
|
|
{
|
|
long serverId = GetIdForServer(attacker.CurrentServer);
|
|
|
|
var attackerStats = attacker.GetAdditionalProperty<EFClientStatistics>(CLIENT_STATS_KEY);
|
|
var victimStats = victim.GetAdditionalProperty<EFClientStatistics>(CLIENT_STATS_KEY);
|
|
|
|
#if DEBUG
|
|
_log.WriteDebug("Processing standard kill");
|
|
#endif
|
|
// update the total stats
|
|
_servers[serverId].ServerStatistics.TotalKills += 1;
|
|
|
|
// this happens when the round has changed
|
|
if (attackerStats.SessionScore == 0)
|
|
{
|
|
attackerStats.LastScore = 0;
|
|
}
|
|
|
|
if (victimStats.SessionScore == 0)
|
|
{
|
|
victimStats.LastScore = 0;
|
|
}
|
|
|
|
attackerStats.SessionScore = attacker.Score;
|
|
victimStats.SessionScore = victim.Score;
|
|
|
|
// calculate for the clients
|
|
CalculateKill(attackerStats, victimStats);
|
|
// this should fix the negative SPM
|
|
// updates their last score after being calculated
|
|
attackerStats.LastScore = attacker.Score;
|
|
victimStats.LastScore = victim.Score;
|
|
|
|
// show encouragement/discouragement
|
|
string streakMessage = (attackerStats.ClientId != victimStats.ClientId) ?
|
|
StreakMessage.MessageOnStreak(attackerStats.KillStreak, attackerStats.DeathStreak) :
|
|
StreakMessage.MessageOnStreak(-1, -1);
|
|
|
|
if (streakMessage != string.Empty)
|
|
{
|
|
attacker.Tell(streakMessage);
|
|
}
|
|
|
|
// fixme: why?
|
|
if (double.IsNaN(victimStats.SPM) || double.IsNaN(victimStats.Skill))
|
|
{
|
|
_log.WriteDebug($"[StatManager::AddStandardKill] victim SPM/SKILL {victimStats.SPM} {victimStats.Skill}");
|
|
victimStats.SPM = 0.0;
|
|
victimStats.Skill = 0.0;
|
|
}
|
|
|
|
if (double.IsNaN(attackerStats.SPM) || double.IsNaN(attackerStats.Skill))
|
|
{
|
|
_log.WriteDebug($"[StatManager::AddStandardKill] attacker SPM/SKILL {victimStats.SPM} {victimStats.Skill}");
|
|
attackerStats.SPM = 0.0;
|
|
attackerStats.Skill = 0.0;
|
|
}
|
|
|
|
// update their performance
|
|
if ((DateTime.UtcNow - attackerStats.LastStatHistoryUpdate).TotalMinutes >= 2.5)
|
|
{
|
|
attackerStats.LastStatHistoryUpdate = DateTime.UtcNow;
|
|
await UpdateStatHistory(attacker, attackerStats);
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Update the invidual and average stat history for a client
|
|
/// </summary>
|
|
/// <param name="client">client to update</param>
|
|
/// <param name="clientStats">stats of client that is being updated</param>
|
|
/// <returns></returns>
|
|
private async Task UpdateStatHistory(EFClient client, EFClientStatistics clientStats)
|
|
{
|
|
int currentSessionTime = (int)(DateTime.UtcNow - client.LastConnection).TotalSeconds;
|
|
|
|
// don't update their stat history if they haven't played long
|
|
if (currentSessionTime < 60)
|
|
{
|
|
return;
|
|
}
|
|
|
|
int currentServerTotalPlaytime = clientStats.TimePlayed + currentSessionTime;
|
|
|
|
using (var ctx = new DatabaseContext())
|
|
{
|
|
// select the rating history for client
|
|
var iqHistoryLink = from history in ctx.Set<EFClientRatingHistory>()
|
|
.Include(h => h.Ratings)
|
|
where history.ClientId == client.ClientId
|
|
select history;
|
|
|
|
// get the client ratings
|
|
var clientHistory = await iqHistoryLink
|
|
.FirstOrDefaultAsync() ?? new EFClientRatingHistory()
|
|
{
|
|
Active = true,
|
|
ClientId = client.ClientId,
|
|
Ratings = new List<EFRating>()
|
|
};
|
|
|
|
// it's the first time they've played
|
|
if (clientHistory.RatingHistoryId == 0)
|
|
{
|
|
ctx.Add(clientHistory);
|
|
}
|
|
|
|
#region INDIVIDUAL_SERVER_PERFORMANCE
|
|
// get the client ranking for the current server
|
|
int individualClientRanking = await ctx.Set<EFRating>()
|
|
.Where(GetRankingFunc(clientStats.ServerId))
|
|
// ignore themselves in the query
|
|
.Where(c => c.RatingHistory.ClientId != client.ClientId)
|
|
.Where(c => c.Performance > clientStats.Performance)
|
|
.CountAsync() + 1;
|
|
|
|
// limit max history per server to 40
|
|
if (clientHistory.Ratings.Count(r => r.ServerId == clientStats.ServerId) >= 40)
|
|
{
|
|
// select the oldest one
|
|
var ratingToRemove = clientHistory.Ratings
|
|
.Where(r => r.ServerId == clientStats.ServerId)
|
|
.OrderBy(r => r.When)
|
|
.First();
|
|
|
|
ctx.Remove(ratingToRemove);
|
|
}
|
|
|
|
// set the previous newest to false
|
|
var ratingToUnsetNewest = clientHistory.Ratings
|
|
.Where(r => r.ServerId == clientStats.ServerId)
|
|
.OrderByDescending(r => r.When)
|
|
.FirstOrDefault();
|
|
|
|
if (ratingToUnsetNewest != null)
|
|
{
|
|
if (ratingToUnsetNewest.Newest)
|
|
{
|
|
ctx.Update(ratingToUnsetNewest);
|
|
ctx.Entry(ratingToUnsetNewest).Property(r => r.Newest).IsModified = true;
|
|
ratingToUnsetNewest.Newest = false;
|
|
}
|
|
}
|
|
|
|
var newServerRating = new EFRating()
|
|
{
|
|
Performance = clientStats.Performance,
|
|
Ranking = individualClientRanking,
|
|
Active = true,
|
|
Newest = true,
|
|
ServerId = clientStats.ServerId,
|
|
RatingHistory = clientHistory,
|
|
ActivityAmount = currentServerTotalPlaytime,
|
|
};
|
|
|
|
// add new rating for current server
|
|
ctx.Add(newServerRating);
|
|
|
|
#endregion
|
|
#region OVERALL_RATING
|
|
// select all performance & time played for current client
|
|
var iqClientStats = from stats in ctx.Set<EFClientStatistics>()
|
|
where stats.ClientId == client.ClientId
|
|
where stats.ServerId != clientStats.ServerId
|
|
select new
|
|
{
|
|
stats.Performance,
|
|
stats.TimePlayed
|
|
};
|
|
|
|
var clientStatsList = await iqClientStats.ToListAsync();
|
|
|
|
// add the current server's so we don't have to pull it frmo the database
|
|
clientStatsList.Add(new
|
|
{
|
|
clientStats.Performance,
|
|
TimePlayed = currentServerTotalPlaytime
|
|
});
|
|
|
|
// weight the overall performance based on play time
|
|
double performanceAverage = clientStatsList.Sum(p => (p.Performance * p.TimePlayed)) / clientStatsList.Sum(p => p.TimePlayed);
|
|
|
|
// shouldn't happen but just in case the sum of time played is 0
|
|
if (double.IsNaN(performanceAverage))
|
|
{
|
|
performanceAverage = clientStatsList.Average(p => p.Performance);
|
|
}
|
|
|
|
int overallClientRanking = await ctx.Set<EFRating>()
|
|
.Where(GetRankingFunc())
|
|
.Where(r => r.RatingHistory.ClientId != client.ClientId)
|
|
.Where(r => r.Performance > performanceAverage)
|
|
.CountAsync() + 1;
|
|
|
|
// limit max average history to 40
|
|
if (clientHistory.Ratings.Count(r => r.ServerId == null) >= 40)
|
|
{
|
|
var ratingToRemove = clientHistory.Ratings
|
|
.Where(r => r.ServerId == null)
|
|
.OrderBy(r => r.When)
|
|
.First();
|
|
|
|
ctx.Remove(ratingToRemove);
|
|
}
|
|
|
|
// set the previous average newest to false
|
|
ratingToUnsetNewest = clientHistory.Ratings
|
|
.Where(r => r.ServerId == null)
|
|
.OrderByDescending(r => r.When)
|
|
.FirstOrDefault();
|
|
|
|
if (ratingToUnsetNewest != null)
|
|
{
|
|
if (ratingToUnsetNewest.Newest)
|
|
{
|
|
ctx.Update(ratingToUnsetNewest);
|
|
ctx.Entry(ratingToUnsetNewest).Property(r => r.Newest).IsModified = true;
|
|
ratingToUnsetNewest.Newest = false;
|
|
}
|
|
}
|
|
|
|
// add new average rating
|
|
var averageRating = new EFRating()
|
|
{
|
|
Active = true,
|
|
Newest = true,
|
|
Performance = performanceAverage,
|
|
Ranking = overallClientRanking,
|
|
ServerId = null,
|
|
RatingHistory = clientHistory,
|
|
ActivityAmount = clientStatsList.Sum(s => s.TimePlayed)
|
|
};
|
|
|
|
ctx.Add(averageRating);
|
|
#endregion
|
|
|
|
await ctx.SaveChangesAsync();
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Performs the incrementation of kills and deaths for client statistics
|
|
/// </summary>
|
|
/// <param name="attackerStats">Stats of the attacker</param>
|
|
/// <param name="victimStats">Stats of the victim</param>
|
|
public void CalculateKill(EFClientStatistics attackerStats, EFClientStatistics victimStats)
|
|
{
|
|
bool suicide = attackerStats.ClientId == victimStats.ClientId;
|
|
|
|
// only update their kills if they didn't kill themselves
|
|
if (!suicide)
|
|
{
|
|
attackerStats.Kills += 1;
|
|
attackerStats.SessionKills += 1;
|
|
attackerStats.KillStreak += 1;
|
|
attackerStats.DeathStreak = 0;
|
|
}
|
|
|
|
victimStats.Deaths += 1;
|
|
victimStats.SessionDeaths += 1;
|
|
victimStats.DeathStreak += 1;
|
|
victimStats.KillStreak = 0;
|
|
|
|
// process the attacker's stats after the kills
|
|
attackerStats = UpdateStats(attackerStats);
|
|
|
|
#region DEPRECATED
|
|
/* var validAttackerLobbyRatings = Servers[attackerStats.ServerId].PlayerStats
|
|
.Where(cs => cs.Value.ClientId != attackerStats.ClientId)
|
|
.Where(cs =>
|
|
Servers[attackerStats.ServerId].IsTeamBased ?
|
|
cs.Value.Team != attackerStats.Team :
|
|
cs.Value.Team != IW4Info.Team.Spectator)
|
|
.Where(cs => cs.Value.Team != IW4Info.Team.Spectator);
|
|
|
|
double attackerLobbyRating = validAttackerLobbyRatings.Count() > 0 ?
|
|
validAttackerLobbyRatings.Average(cs => cs.Value.EloRating) :
|
|
attackerStats.EloRating;
|
|
|
|
var validVictimLobbyRatings = Servers[victimStats.ServerId].PlayerStats
|
|
.Where(cs => cs.Value.ClientId != victimStats.ClientId)
|
|
.Where(cs =>
|
|
Servers[attackerStats.ServerId].IsTeamBased ?
|
|
cs.Value.Team != victimStats.Team :
|
|
cs.Value.Team != IW4Info.Team.Spectator)
|
|
.Where(cs => cs.Value.Team != IW4Info.Team.Spectator);
|
|
|
|
double victimLobbyRating = validVictimLobbyRatings.Count() > 0 ?
|
|
validVictimLobbyRatings.Average(cs => cs.Value.EloRating) :
|
|
victimStats.EloRating;*/
|
|
#endregion
|
|
|
|
// calculate elo
|
|
double attackerEloDifference = Math.Log(Math.Max(1, victimStats.EloRating)) - Math.Log(Math.Max(1, attackerStats.EloRating));
|
|
double winPercentage = 1.0 / (1 + Math.Pow(10, attackerEloDifference / Math.E));
|
|
|
|
// double victimEloDifference = Math.Log(Math.Max(1, attackerStats.EloRating)) - Math.Log(Math.Max(1, victimStats.EloRating));
|
|
// double lossPercentage = 1.0 / (1 + Math.Pow(10, victimEloDifference/ Math.E));
|
|
|
|
attackerStats.EloRating += 6.0 * (1 - winPercentage);
|
|
victimStats.EloRating -= 6.0 * (1 - winPercentage);
|
|
|
|
attackerStats.EloRating = Math.Max(0, Math.Round(attackerStats.EloRating, 2));
|
|
victimStats.EloRating = Math.Max(0, Math.Round(victimStats.EloRating, 2));
|
|
|
|
// update after calculation
|
|
attackerStats.TimePlayed += (int)(DateTime.UtcNow - attackerStats.LastActive).TotalSeconds;
|
|
victimStats.TimePlayed += (int)(DateTime.UtcNow - victimStats.LastActive).TotalSeconds;
|
|
attackerStats.LastActive = DateTime.UtcNow;
|
|
victimStats.LastActive = DateTime.UtcNow;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Update the client stats (skill etc)
|
|
/// </summary>
|
|
/// <param name="clientStats">Client statistics</param>
|
|
/// <returns></returns>
|
|
private EFClientStatistics UpdateStats(EFClientStatistics clientStats)
|
|
{
|
|
// prevent NaN or inactive time lowering SPM
|
|
if ((DateTime.UtcNow - clientStats.LastStatCalculation).TotalSeconds / 60.0 < 0.01 ||
|
|
(DateTime.UtcNow - clientStats.LastActive).TotalSeconds / 60.0 > 3 ||
|
|
clientStats.SessionScore == 0)
|
|
{
|
|
// prevents idle time counting
|
|
clientStats.LastStatCalculation = DateTime.UtcNow;
|
|
return clientStats;
|
|
}
|
|
|
|
double timeSinceLastCalc = (DateTime.UtcNow - clientStats.LastStatCalculation).TotalSeconds / 60.0;
|
|
double timeSinceLastActive = (DateTime.UtcNow - clientStats.LastActive).TotalSeconds / 60.0;
|
|
|
|
int scoreDifference = 0;
|
|
// this means they've been tking or suicide and is the only time they can have a negative SPM
|
|
if (clientStats.RoundScore < 0)
|
|
{
|
|
scoreDifference = clientStats.RoundScore + clientStats.LastScore;
|
|
}
|
|
|
|
else if (clientStats.RoundScore > 0 && clientStats.LastScore < clientStats.RoundScore)
|
|
{
|
|
scoreDifference = clientStats.RoundScore - clientStats.LastScore;
|
|
}
|
|
|
|
double killSPM = scoreDifference / timeSinceLastCalc;
|
|
double spmMultiplier = 2.934 * Math.Pow(_servers[clientStats.ServerId].TeamCount(clientStats.Team == IW4Info.Team.Allies ? IW4Info.Team.Axis : IW4Info.Team.Allies), -0.454);
|
|
killSPM *= Math.Max(1, spmMultiplier);
|
|
|
|
// update this for ac tracking
|
|
clientStats.SessionSPM = killSPM;
|
|
|
|
// calculate how much the KDR should weigh
|
|
// 1.637 is a Eddie-Generated number that weights the KDR nicely
|
|
double currentKDR = clientStats.SessionDeaths == 0 ? clientStats.SessionKills : clientStats.SessionKills / clientStats.SessionDeaths;
|
|
double alpha = Math.Sqrt(2) / Math.Min(600, Math.Max(clientStats.Kills + clientStats.Deaths, 1));
|
|
clientStats.RollingWeightedKDR = (alpha * currentKDR) + (1.0 - alpha) * clientStats.KDR;
|
|
double KDRWeight = Math.Round(Math.Pow(clientStats.RollingWeightedKDR, 1.637 / Math.E), 3);
|
|
|
|
// calculate the weight of the new play time against last 10 hours of gameplay
|
|
int totalPlayTime = (clientStats.TimePlayed == 0) ?
|
|
(int)(DateTime.UtcNow - clientStats.LastActive).TotalSeconds :
|
|
clientStats.TimePlayed + (int)(DateTime.UtcNow - clientStats.LastActive).TotalSeconds;
|
|
|
|
double SPMAgainstPlayWeight = timeSinceLastCalc / Math.Min(600, (totalPlayTime / 60.0));
|
|
|
|
// calculate the new weight against average times the weight against play time
|
|
clientStats.SPM = (killSPM * SPMAgainstPlayWeight) + (clientStats.SPM * (1 - SPMAgainstPlayWeight));
|
|
|
|
if (clientStats.SPM < 0)
|
|
{
|
|
_log.WriteWarning("[StatManager:UpdateStats] clientStats SPM < 0");
|
|
_log.WriteDebug($"{scoreDifference}-{clientStats.RoundScore} - {clientStats.LastScore} - {clientStats.SessionScore}");
|
|
clientStats.SPM = 0;
|
|
}
|
|
|
|
clientStats.SPM = Math.Round(clientStats.SPM, 3);
|
|
clientStats.Skill = Math.Round((clientStats.SPM * KDRWeight), 3);
|
|
|
|
// fixme: how does this happen?
|
|
if (double.IsNaN(clientStats.SPM) || double.IsNaN(clientStats.Skill))
|
|
{
|
|
_log.WriteWarning("[StatManager::UpdateStats] clientStats SPM/Skill NaN");
|
|
_log.WriteDebug($"{killSPM}-{KDRWeight}-{totalPlayTime}-{SPMAgainstPlayWeight}-{clientStats.SPM}-{clientStats.Skill}-{scoreDifference}");
|
|
clientStats.SPM = 0;
|
|
clientStats.Skill = 0;
|
|
}
|
|
|
|
clientStats.LastStatCalculation = DateTime.UtcNow;
|
|
//clientStats.LastScore = clientStats.SessionScore;
|
|
|
|
return clientStats;
|
|
}
|
|
|
|
public EFServerStatistics InitializeServerStats(long serverId)
|
|
{
|
|
EFServerStatistics serverStats;
|
|
|
|
using (var ctx = new DatabaseContext(disableTracking: true))
|
|
{
|
|
var serverStatsSet = ctx.Set<EFServerStatistics>();
|
|
serverStats = serverStatsSet.FirstOrDefault(s => s.ServerId == serverId);
|
|
|
|
if (serverStats == null)
|
|
{
|
|
_log.WriteDebug($"Initializing server stats for {serverId}");
|
|
// server stats have never been generated before
|
|
serverStats = new EFServerStatistics()
|
|
{
|
|
ServerId = serverId,
|
|
TotalKills = 0,
|
|
TotalPlayTime = 0,
|
|
};
|
|
|
|
serverStats = serverStatsSet.Add(serverStats).Entity;
|
|
ctx.SaveChanges();
|
|
}
|
|
}
|
|
|
|
return serverStats;
|
|
}
|
|
|
|
public void ResetKillstreaks(Server sv)
|
|
{
|
|
foreach (var stat in sv.GetClientsAsList()
|
|
.Select(_client => _client.GetAdditionalProperty<EFClientStatistics>(CLIENT_STATS_KEY)))
|
|
{
|
|
stat.StartNewSession();
|
|
}
|
|
}
|
|
|
|
public void ResetStats(EFClient client)
|
|
{
|
|
var stats = client.GetAdditionalProperty<EFClientStatistics>(CLIENT_STATS_KEY);
|
|
stats.Kills = 0;
|
|
stats.Deaths = 0;
|
|
stats.SPM = 0;
|
|
stats.Skill = 0;
|
|
stats.TimePlayed = 0;
|
|
stats.EloRating = 200;
|
|
}
|
|
|
|
public async Task AddMessageAsync(int clientId, long serverId, string message)
|
|
{
|
|
// the web users can have no account
|
|
if (clientId < 1)
|
|
{
|
|
return;
|
|
}
|
|
|
|
using (var ctx = new DatabaseContext(disableTracking: true))
|
|
{
|
|
ctx.Set<EFClientMessage>().Add(new EFClientMessage()
|
|
{
|
|
ClientId = clientId,
|
|
Message = message,
|
|
ServerId = serverId,
|
|
TimeSent = DateTime.UtcNow
|
|
});
|
|
|
|
await ctx.SaveChangesAsync();
|
|
}
|
|
}
|
|
|
|
public async Task Sync(Server sv)
|
|
{
|
|
long serverId = GetIdForServer(sv);
|
|
|
|
var waiter = _servers[serverId].OnSaving;
|
|
try
|
|
{
|
|
await waiter.WaitAsync();
|
|
|
|
using (var ctx = new DatabaseContext())
|
|
{
|
|
var serverStatsSet = ctx.Set<EFServerStatistics>();
|
|
serverStatsSet.Update(_servers[serverId].ServerStatistics);
|
|
await ctx.SaveChangesAsync();
|
|
}
|
|
|
|
foreach (var stats in sv.GetClientsAsList()
|
|
.Select(_client => _client.GetAdditionalProperty<EFClientStatistics>(CLIENT_STATS_KEY))
|
|
.Where(_stats => _stats != null))
|
|
{
|
|
await SaveClientStats(stats);
|
|
}
|
|
|
|
await SaveHitCache(serverId);
|
|
}
|
|
|
|
catch (Exception e)
|
|
{
|
|
_log.WriteError("There was a probably syncing server stats");
|
|
_log.WriteDebug(e.GetExceptionInfo());
|
|
}
|
|
|
|
finally
|
|
{
|
|
if (waiter.CurrentCount == 0)
|
|
{
|
|
waiter.Release(1);
|
|
}
|
|
}
|
|
}
|
|
|
|
public void SetTeamBased(long serverId, bool isTeamBased)
|
|
{
|
|
_servers[serverId].IsTeamBased = isTeamBased;
|
|
}
|
|
|
|
public static long GetIdForServer(Server server)
|
|
{
|
|
if ($"{server.IP}:{server.Port.ToString()}" == "66.150.121.184:28965")
|
|
{
|
|
return 886229536;
|
|
}
|
|
|
|
long id = HashCode.Combine(server.IP, server.Port);
|
|
id = id < 0 ? Math.Abs(id) : id;
|
|
long? serverId;
|
|
|
|
serverId = serverModels.FirstOrDefault(_server => _server.ServerId == server.EndPoint ||
|
|
_server.EndPoint == server.ToString() ||
|
|
_server.ServerId == id)?.ServerId;
|
|
|
|
if (!serverId.HasValue)
|
|
{
|
|
return id;
|
|
}
|
|
|
|
return serverId.Value;
|
|
}
|
|
}
|
|
}
|