1261 lines
51 KiB
C#
1261 lines
51 KiB
C#
using IW4MAdmin.Plugins.Stats.Cheat;
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using IW4MAdmin.Plugins.Stats.Config;
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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.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 Microsoft.Extensions.Logging;
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using static IW4MAdmin.Plugins.Stats.Cheat.Detection;
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using ILogger = Microsoft.Extensions.Logging.ILogger;
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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 readonly IDatabaseContextFactory _contextFactory;
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private readonly IConfigurationHandler<StatsConfiguration> _configHandler;
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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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private readonly SemaphoreSlim _addPlayerWaiter = new SemaphoreSlim(1, 1);
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public StatManager(ILogger<StatManager> logger, IManager mgr, IDatabaseContextFactory contextFactory, IConfigurationHandler<StatsConfiguration> configHandler)
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{
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_servers = new ConcurrentDictionary<long, ServerStats>();
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_log = logger;
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_contextFactory = contextFactory;
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_configHandler = configHandler;
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}
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~StatManager()
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{
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_addPlayerWaiter.Dispose();
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}
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private void SetupServerIds()
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{
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using var ctx = _contextFactory.CreateContext(enableTracking: false);
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serverModels = ctx.Set<EFServer>().ToList();
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}
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public 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 >= _configHandler.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 async Task<int> GetClientOverallRanking(int clientId)
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{
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await using var context = _contextFactory.CreateContext(enableTracking: false);
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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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public async Task<List<TopStatsInfo>> GetTopStats(int start, int count, long? serverId = null)
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{
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await using var context = _contextFactory.CreateContext(enableTracking: false);
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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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// 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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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 = (DateTime.UtcNow - clientRatingsDict[s.ClientId].LastConnection).HumanizeForCurrentCulture(),
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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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/// <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 = _contextFactory.CreateContext(enableTracking: false);
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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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HostName = sv.Hostname
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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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if (server.HostName == null || server.HostName != sv.Hostname)
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{
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server.HostName = sv.Hostname;
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ctx.Entry(server).Property(_prop => _prop.HostName).IsModified = true;
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ctx.SaveChanges();
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}
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ctx.Entry(server).Property(_prop => _prop.IsPasswordProtected).IsModified = true;
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server.IsPasswordProtected = !string.IsNullOrEmpty(sv.GamePassword);
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ctx.SaveChanges();
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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.LogError(e, "{message}", Utilities.CurrentLocalization.LocalizationIndex["PLUGIN_STATS_ERROR_ADD"]);
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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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var existingStats = pl.GetAdditionalProperty<EFClientStatistics>(CLIENT_STATS_KEY);
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if (existingStats != null)
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{
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return existingStats;
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}
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try
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{
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await _addPlayerWaiter.WaitAsync();
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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.LogError("[Stats::AddPlayer] Server with id {serverId} could not be found", serverId);
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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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await using var ctx = _contextFactory.CreateContext(enableTracking: false);
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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>()
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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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}).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))
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.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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_log.LogDebug("Added {client} to stats", pl.ToString());
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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.LogError(ex, "Could not add client to stats {@client}", pl.ToString());
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}
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finally
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{
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if (_addPlayerWaiter.CurrentCount == 0)
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{
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_addPlayerWaiter.Release(1);
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}
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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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_log.LogDebug("Removing {client} from stats", pl.ToString());
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if (pl.CurrentServer == null)
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{
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_log.LogWarning("Disconnecting client {client} is not on a server", pl.ToString());
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return;
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}
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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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if (clientStats != null)
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{
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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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else
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{
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_log.LogWarning("Disconnecting client {client} has not been added to stats", pl.ToString());
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}
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}
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private async Task SaveClientStats(EFClientStatistics clientStats)
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{
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await using var ctx = _contextFactory.CreateContext();
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ctx.Update(clientStats);
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await ctx.SaveChangesAsync();
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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, string isAlive, string lastAttackTime)
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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 ex)
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{
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_log.LogWarning(ex, "Could not parse vector data from hit");
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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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IsAlive = isAlive == "1",
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TimeSinceLastAttack = long.Parse(lastAttackTime),
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GameName = attacker.CurrentServer.GameName
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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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{
|
|
clientStats.HitLocations.First(hl => hl.Location == hit.HitLoc).HitCount += 1;
|
|
}
|
|
|
|
if (hit.IsKillstreakKill)
|
|
{
|
|
return;
|
|
}
|
|
|
|
if (Plugin.Config.Configuration().StoreClientKills)
|
|
{
|
|
var serverWaiter = _servers[serverId].OnSaving;
|
|
try
|
|
{
|
|
await serverWaiter.WaitAsync();
|
|
var cache = _servers[serverId].HitCache;
|
|
cache.Add(hit);
|
|
|
|
if (cache.Count > MAX_CACHED_HITS)
|
|
{
|
|
await SaveHitCache(serverId);
|
|
}
|
|
}
|
|
|
|
catch (Exception e)
|
|
{
|
|
_log.LogError(e, "Could not store client kills");
|
|
}
|
|
|
|
finally
|
|
{
|
|
if (serverWaiter.CurrentCount == 0)
|
|
{
|
|
serverWaiter.Release(1);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (Plugin.Config.Configuration().AnticheatConfiguration.Enable && !attacker.IsBot && attacker.ClientId != victim.ClientId)
|
|
{
|
|
clientDetection.TrackedHits.Add(hit);
|
|
|
|
if (clientDetection.TrackedHits.Count >= MIN_HITS_TO_RUN_DETECTION)
|
|
{
|
|
while (clientDetection.TrackedHits.Count > 0)
|
|
{
|
|
var oldestHit = clientDetection.TrackedHits
|
|
.OrderBy(_hits => _hits.TimeOffset)
|
|
.First();
|
|
|
|
clientDetection.TrackedHits.Remove(oldestHit);
|
|
|
|
if (oldestHit.IsAlive)
|
|
{
|
|
var result = DeterminePenaltyResult(clientDetection.ProcessHit(oldestHit), attacker);
|
|
|
|
if (!Utilities.IsDevelopment)
|
|
{
|
|
await ApplyPenalty(result, attacker);
|
|
}
|
|
|
|
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 (TaskCanceledException) { }
|
|
catch (Exception ex)
|
|
{
|
|
_log.LogError(ex, "Could not save hit or anti-cheat info {@attacker} {@victim} {server}", attacker, victim, serverId);
|
|
}
|
|
|
|
finally
|
|
{
|
|
if (waiter?.CurrentCount == 0)
|
|
{
|
|
waiter.Release();
|
|
}
|
|
}
|
|
}
|
|
|
|
private DetectionPenaltyResult DeterminePenaltyResult(IEnumerable<DetectionPenaltyResult> results, EFClient client)
|
|
{
|
|
// allow disabling of certain detection types
|
|
results = results.Where(_result => ShouldUseDetection(client.CurrentServer, _result.Type, client.ClientId));
|
|
return results.FirstOrDefault(_result => _result.ClientPenalty == EFPenalty.PenaltyType.Ban) ??
|
|
results.FirstOrDefault(_result => _result.ClientPenalty == EFPenalty.PenaltyType.Flag) ??
|
|
new DetectionPenaltyResult()
|
|
{
|
|
ClientPenalty = EFPenalty.PenaltyType.Any,
|
|
};
|
|
}
|
|
|
|
public async Task SaveHitCache(long serverId)
|
|
{
|
|
await using var ctx = _contextFactory.CreateContext(enableTracking: false);
|
|
var server = _servers[serverId];
|
|
ctx.AddRange(server.HitCache.ToList());
|
|
await ctx.SaveChangesAsync();
|
|
server.HitCache.Clear();
|
|
}
|
|
|
|
private bool ShouldUseDetection(Server server, DetectionType detectionType, long clientId)
|
|
{
|
|
var detectionTypes = Plugin.Config.Configuration().AnticheatConfiguration.ServerDetectionTypes;
|
|
var ignoredClients = Plugin.Config.Configuration().AnticheatConfiguration.IgnoredClientIds;
|
|
|
|
if (ignoredClients.Contains(clientId))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
|
|
try
|
|
{
|
|
if (!detectionTypes[server.EndPoint].Contains(detectionType))
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
catch (KeyNotFoundException)
|
|
{
|
|
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
async Task ApplyPenalty(DetectionPenaltyResult penalty, EFClient attacker)
|
|
{
|
|
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}";
|
|
|
|
penaltyClient.AdministeredPenalties = new List<EFPenalty>()
|
|
{
|
|
new EFPenalty()
|
|
{
|
|
AutomatedOffense = flagReason
|
|
}
|
|
};
|
|
|
|
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;
|
|
|
|
await using var ctx = _contextFactory.CreateContext();
|
|
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);
|
|
|
|
// 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.LogWarning("victim SPM/SKILL {@victimStats}", victimStats);
|
|
victimStats.SPM = 0.0;
|
|
victimStats.Skill = 0.0;
|
|
}
|
|
|
|
if (double.IsNaN(attackerStats.SPM) || double.IsNaN(attackerStats.Skill))
|
|
{
|
|
_log.LogWarning("attacker SPM/SKILL {@attackerStats}", attackerStats);
|
|
attackerStats.SPM = 0.0;
|
|
attackerStats.Skill = 0.0;
|
|
}
|
|
|
|
// update their performance
|
|
if ((DateTime.UtcNow - attackerStats.LastStatHistoryUpdate).TotalMinutes >= 2.5)
|
|
{
|
|
try
|
|
{
|
|
// kill event is not designated as blocking, so we should be able to enter and exit
|
|
// we need to make this thread safe because we can potentially have kills qualify
|
|
// for stat history update, but one is already processing that invalidates the original
|
|
await attackerStats.ProcessingHit.WaitAsync(Utilities.DefaultCommandTimeout, Plugin.ServerManager.CancellationToken);
|
|
await UpdateStatHistory(attacker, attackerStats);
|
|
attackerStats.LastStatHistoryUpdate = DateTime.UtcNow;
|
|
}
|
|
|
|
catch (Exception e)
|
|
{
|
|
_log.LogWarning(e, "Could not update stat history for {attacker}", attacker.ToString());
|
|
}
|
|
|
|
finally
|
|
{
|
|
if (attackerStats.ProcessingHit.CurrentCount == 0)
|
|
{
|
|
attackerStats.ProcessingHit.Release(1);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/// <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>
|
|
public 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;
|
|
|
|
await using var ctx = _contextFactory.CreateContext(enableTracking: true);
|
|
// 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 from 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)
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/// </summary>
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/// <param name="clientStats">Client statistics</param>
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/// <returns></returns>
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private EFClientStatistics UpdateStats(EFClientStatistics clientStats)
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{
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// prevent NaN or inactive time lowering SPM
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if ((DateTime.UtcNow - clientStats.LastStatCalculation).TotalSeconds / 60.0 < 0.01 ||
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(DateTime.UtcNow - clientStats.LastActive).TotalSeconds / 60.0 > 3 ||
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clientStats.SessionScore == 0)
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{
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// prevents idle time counting
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clientStats.LastStatCalculation = DateTime.UtcNow;
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return clientStats;
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}
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double timeSinceLastCalc = (DateTime.UtcNow - clientStats.LastStatCalculation).TotalSeconds / 60.0;
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double timeSinceLastActive = (DateTime.UtcNow - clientStats.LastActive).TotalSeconds / 60.0;
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int scoreDifference = 0;
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// this means they've been tking or suicide and is the only time they can have a negative SPM
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if (clientStats.RoundScore < 0)
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{
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scoreDifference = clientStats.RoundScore + clientStats.LastScore;
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}
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else if (clientStats.RoundScore > 0 && clientStats.LastScore < clientStats.RoundScore)
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{
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scoreDifference = clientStats.RoundScore - clientStats.LastScore;
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}
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double killSPM = scoreDifference / timeSinceLastCalc;
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double spmMultiplier = 2.934 * Math.Pow(_servers[clientStats.ServerId].TeamCount(clientStats.Team == IW4Info.Team.Allies ? IW4Info.Team.Axis : IW4Info.Team.Allies), -0.454);
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killSPM *= Math.Max(1, spmMultiplier);
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// update this for ac tracking
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clientStats.SessionSPM = killSPM;
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// calculate how much the KDR should weigh
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// 1.637 is a Eddie-Generated number that weights the KDR nicely
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double currentKDR = clientStats.SessionDeaths == 0 ? clientStats.SessionKills : clientStats.SessionKills / clientStats.SessionDeaths;
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double alpha = Math.Sqrt(2) / Math.Min(600, Math.Max(clientStats.Kills + clientStats.Deaths, 1));
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clientStats.RollingWeightedKDR = (alpha * currentKDR) + (1.0 - alpha) * clientStats.KDR;
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double KDRWeight = Math.Round(Math.Pow(clientStats.RollingWeightedKDR, 1.637 / Math.E), 3);
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// calculate the weight of the new play time against last 10 hours of gameplay
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int totalPlayTime = (clientStats.TimePlayed == 0) ?
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(int)(DateTime.UtcNow - clientStats.LastActive).TotalSeconds :
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clientStats.TimePlayed + (int)(DateTime.UtcNow - clientStats.LastActive).TotalSeconds;
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double SPMAgainstPlayWeight = timeSinceLastCalc / Math.Min(600, (totalPlayTime / 60.0));
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// calculate the new weight against average times the weight against play time
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clientStats.SPM = (killSPM * SPMAgainstPlayWeight) + (clientStats.SPM * (1 - SPMAgainstPlayWeight));
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if (clientStats.SPM < 0)
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{
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_log.LogWarning("clientStats SPM < 0 {scoreDifference} {@clientStats}", scoreDifference, clientStats);
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clientStats.SPM = 0;
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}
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clientStats.SPM = Math.Round(clientStats.SPM, 3);
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clientStats.Skill = Math.Round((clientStats.SPM * KDRWeight), 3);
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// fixme: how does this happen?
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if (double.IsNaN(clientStats.SPM) || double.IsNaN(clientStats.Skill))
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{
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_log.LogWarning("clientStats SPM/Skill NaN {@killInfo}", new {killSPM, KDRWeight, totalPlayTime, SPMAgainstPlayWeight, clientStats, scoreDifference});
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clientStats.SPM = 0;
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clientStats.Skill = 0;
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}
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clientStats.LastStatCalculation = DateTime.UtcNow;
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//clientStats.LastScore = clientStats.SessionScore;
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return clientStats;
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}
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public EFServerStatistics InitializeServerStats(long serverId)
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{
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EFServerStatistics serverStats;
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using var ctx = _contextFactory.CreateContext(enableTracking: false);
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var serverStatsSet = ctx.Set<EFServerStatistics>();
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serverStats = serverStatsSet.FirstOrDefault(s => s.ServerId == serverId);
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if (serverStats == null)
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{
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_log.LogDebug("Initializing server stats for {serverId}", serverId);
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// server stats have never been generated before
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serverStats = new EFServerStatistics()
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{
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ServerId = serverId,
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TotalKills = 0,
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TotalPlayTime = 0,
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};
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serverStats = serverStatsSet.Add(serverStats).Entity;
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ctx.SaveChanges();
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}
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return serverStats;
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}
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public void ResetKillstreaks(Server sv)
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{
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foreach (var session in sv.GetClientsAsList()
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.Select(_client => new
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{
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stat = _client.GetAdditionalProperty<EFClientStatistics>(CLIENT_STATS_KEY),
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detection = _client.GetAdditionalProperty<Detection>(CLIENT_DETECTIONS_KEY)
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}))
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{
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session.stat?.StartNewSession();
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session.detection?.OnMapChange();
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}
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}
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public void ResetStats(EFClient client)
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{
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var stats = client.GetAdditionalProperty<EFClientStatistics>(CLIENT_STATS_KEY);
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stats.Kills = 0;
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stats.Deaths = 0;
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stats.SPM = 0;
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stats.Skill = 0;
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stats.TimePlayed = 0;
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stats.EloRating = 200;
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}
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public async Task AddMessageAsync(int clientId, long serverId, bool sentIngame, string message)
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{
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// the web users can have no account
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if (clientId < 1)
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{
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return;
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}
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await using var ctx = _contextFactory.CreateContext(enableTracking: false);
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ctx.Set<EFClientMessage>().Add(new EFClientMessage()
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{
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ClientId = clientId,
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Message = message,
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ServerId = serverId,
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TimeSent = DateTime.UtcNow,
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SentIngame = sentIngame
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});
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await ctx.SaveChangesAsync();
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}
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public async Task Sync(Server sv)
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{
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long serverId = GetIdForServer(sv);
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var waiter = _servers[serverId].OnSaving;
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try
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{
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await waiter.WaitAsync();
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await using var ctx = _contextFactory.CreateContext();
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var serverStatsSet = ctx.Set<EFServerStatistics>();
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serverStatsSet.Update(_servers[serverId].ServerStatistics);
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await ctx.SaveChangesAsync();
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foreach (var stats in sv.GetClientsAsList()
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.Select(_client => _client.GetAdditionalProperty<EFClientStatistics>(CLIENT_STATS_KEY))
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.Where(_stats => _stats != null))
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{
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await SaveClientStats(stats);
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}
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await SaveHitCache(serverId);
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}
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catch (Exception e)
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{
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_log.LogError(e, "There was a problem syncing server stats");
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}
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finally
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{
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if (waiter.CurrentCount == 0)
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{
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waiter.Release(1);
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}
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}
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}
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public void SetTeamBased(long serverId, bool isTeamBased)
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{
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_servers[serverId].IsTeamBased = isTeamBased;
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}
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public static long GetIdForServer(Server server)
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{
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if ($"{server.IP}:{server.Port.ToString()}" == "66.150.121.184:28965")
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{
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return 886229536;
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}
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// todo: this is not stable and will need to be migrated again...
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long id = HashCode.Combine(server.IP, server.Port);
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id = id < 0 ? Math.Abs(id) : id;
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long? serverId;
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serverId = serverModels.FirstOrDefault(_server => _server.ServerId == server.EndPoint ||
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_server.EndPoint == server.ToString() ||
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_server.ServerId == id)?.ServerId;
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if (!serverId.HasValue)
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{
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return id;
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}
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return serverId.Value;
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}
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}
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}
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