106 lines
2.8 KiB
C#
106 lines
2.8 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Security.Cryptography;
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using System.Text;
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using HG;
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using JetBrains.Annotations;
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namespace RoR2;
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public static class NetworkModCompatibilityHelper
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{
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[NotNull]
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public delegate byte[] ModListHasherDelegate([NotNull] IEnumerable<string> modList);
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public static readonly string steamworksGameserverGameDataValuePrefix;
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public static readonly string steamworksGameserverRulesBaseName;
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private static string[] _networkModList;
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private static ModListHasherDelegate _modListHasher;
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public static string networkModHash { get; private set; }
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public static string steamworksGameserverGameDataValue { get; private set; }
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public static string steamworksGameserverGameRulesValue { get; private set; }
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public static IEnumerable<string> networkModList
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{
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get
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{
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return _networkModList;
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}
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set
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{
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if (value == null)
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{
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throw new ArgumentNullException("value");
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}
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List<string> list = CollectionPool<string, List<string>>.RentCollection();
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foreach (string item in value)
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{
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if (item == null)
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{
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throw new ArgumentException("Argument cannot contain null entries.", "value");
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}
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list.Add(item);
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}
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_networkModList = list.ToArray();
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CollectionPool<string, List<string>>.ReturnCollection(list);
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Rebuild();
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}
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}
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public static ModListHasherDelegate modListHasher
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{
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get
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{
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return _modListHasher;
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}
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set
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{
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_modListHasher = value ?? throw new ArgumentNullException("value");
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Rebuild();
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}
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}
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public static event Action onUpdated;
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public static byte[] DefaultModListHasher([NotNull] IEnumerable<string> networkModList)
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{
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HashAlgorithm hashAlgorithm = MD5.Create();
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byte[] result = hashAlgorithm.ComputeHash(Encoding.UTF8.GetBytes(string.Join(",", networkModList)));
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hashAlgorithm.Dispose();
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return result;
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}
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private static void Rebuild()
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{
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byte[] array = modListHasher(networkModList);
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StringBuilder stringBuilder = HG.StringBuilderPool.RentStringBuilder();
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for (int i = 0; i < array.Length; i++)
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{
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stringBuilder.AppendByteHexValue(array[i]);
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}
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networkModHash = stringBuilder.ToString();
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HG.StringBuilderPool.ReturnStringBuilder(stringBuilder);
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steamworksGameserverGameDataValue = steamworksGameserverGameDataValuePrefix + networkModHash;
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steamworksGameserverGameRulesValue = string.Join(",", _networkModList);
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NetworkModCompatibilityHelper.onUpdated?.Invoke();
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}
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static NetworkModCompatibilityHelper()
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{
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networkModHash = string.Empty;
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steamworksGameserverGameDataValuePrefix = "modHash=";
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steamworksGameserverGameDataValue = string.Empty;
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steamworksGameserverRulesBaseName = "mods";
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steamworksGameserverGameRulesValue = string.Empty;
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_networkModList = Array.Empty<string>();
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_modListHasher = DefaultModListHasher;
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Rebuild();
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}
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}
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