using System;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics;
using System.Globalization;
using System.IO;
using System.IO.Compression;
using System.Linq;
using System.Reflection;
using System.Reflection.Emit;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Runtime.Serialization;
using System.Runtime.Versioning;
using System.Security;
using System.Security.Permissions;
using System.Text;
using BepInEx;
using BepInEx.Bootstrap;
using BepInEx.Configuration;
using BepInEx.Logging;
using HarmonyLib;
using JetBrains.Annotations;
using Microsoft.CodeAnalysis;
using ServerSync;
using SmoothServer;
using SmoothServer.Map;
using SmoothServer.Net;
using Splatform;
using Steamworks;
using TMPro;
using UnityEngine;
using ValheimTune;
using ValheimTune.Patches;
using ZstdSharp;

[assembly: CompilationRelaxations(8)]
[assembly: RuntimeCompatibility(WrapNonExceptionThrows = true)]
[assembly: Debuggable(DebuggableAttribute.DebuggingModes.IgnoreSymbolStoreSequencePoints)]
[assembly: TargetFramework(".NETFramework,Version=v4.7.2", FrameworkDisplayName = ".NET Framework 4.7.2")]
[assembly: IgnoresAccessChecksTo("assembly_guiutils")]
[assembly: IgnoresAccessChecksTo("assembly_utils")]
[assembly: IgnoresAccessChecksTo("assembly_valheim")]
[assembly: IgnoresAccessChecksTo("com.rlabrecque.steamworks.net")]
[assembly: AssemblyCompany("SwmarlyValheimNetworking")]
[assembly: AssemblyConfiguration("Release")]
[assembly: AssemblyFileVersion("0.1.9.0")]
[assembly: AssemblyInformationalVersion("0.1.9+e41da5068af0fd37cf306bc5e717b88f75b4e4df")]
[assembly: AssemblyProduct("SwmarlyValheimNetworking")]
[assembly: AssemblyTitle("SwmarlyValheimNetworking")]
[assembly: SecurityPermission(SecurityAction.RequestMinimum, SkipVerification = true)]
[assembly: AssemblyVersion("0.1.9.0")]
[module: UnverifiableCode]
[module: RefSafetyRules(11)]
namespace Microsoft.CodeAnalysis
{
	[CompilerGenerated]
	[Embedded]
	internal sealed class EmbeddedAttribute : Attribute
	{
	}
}
namespace System.Runtime.CompilerServices
{
	[CompilerGenerated]
	[Embedded]
	[AttributeUsage(AttributeTargets.Class | AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Event | AttributeTargets.Parameter | AttributeTargets.ReturnValue | AttributeTargets.GenericParameter, AllowMultiple = false, Inherited = false)]
	internal sealed class NullableAttribute : Attribute
	{
		public readonly byte[] NullableFlags;

		public NullableAttribute(byte P_0)
		{
			NullableFlags = new byte[1] { P_0 };
		}

		public NullableAttribute(byte[] P_0)
		{
			NullableFlags = P_0;
		}
	}
	[CompilerGenerated]
	[Embedded]
	[AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct | AttributeTargets.Method | AttributeTargets.Interface | AttributeTargets.Delegate, AllowMultiple = false, Inherited = false)]
	internal sealed class NullableContextAttribute : Attribute
	{
		public readonly byte Flag;

		public NullableContextAttribute(byte P_0)
		{
			Flag = P_0;
		}
	}
	[CompilerGenerated]
	[Embedded]
	[AttributeUsage(AttributeTargets.Module, AllowMultiple = false, Inherited = false)]
	internal sealed class RefSafetyRulesAttribute : Attribute
	{
		public readonly int Version;

		public RefSafetyRulesAttribute(int P_0)
		{
			Version = P_0;
		}
	}
}
namespace ServerSync
{
	[PublicAPI]
	public abstract class OwnConfigEntryBase
	{
		public object? LocalBaseValue;

		public bool SynchronizedConfig = true;

		public abstract ConfigEntryBase BaseConfig { get; }
	}
	[PublicAPI]
	public class SyncedConfigEntry<T>(ConfigEntry<T> sourceConfig) : OwnConfigEntryBase()
	{
		public readonly ConfigEntry<T> SourceConfig = sourceConfig;

		public override ConfigEntryBase BaseConfig => (ConfigEntryBase)(object)SourceConfig;

		public T Value
		{
			get
			{
				return SourceConfig.Value;
			}
			set
			{
				SourceConfig.Value = value;
			}
		}

		public void AssignLocalValue(T value)
		{
			if (LocalBaseValue == null)
			{
				Value = value;
			}
			else
			{
				LocalBaseValue = value;
			}
		}
	}
	public abstract class CustomSyncedValueBase
	{
		public object? LocalBaseValue;

		public readonly string Identifier;

		public readonly Type Type;

		private object? boxedValue;

		protected bool localIsOwner;

		public readonly int Priority;

		public object? BoxedValue
		{
			get
			{
				return boxedValue;
			}
			set
			{
				boxedValue = value;
				this.ValueChanged?.Invoke();
			}
		}

		public event Action? ValueChanged;

		protected CustomSyncedValueBase(ConfigSync configSync, string identifier, Type type, int priority)
		{
			Priority = priority;
			Identifier = identifier;
			Type = type;
			configSync.AddCustomValue(this);
			localIsOwner = configSync.IsSourceOfTruth;
			configSync.SourceOfTruthChanged += delegate(bool truth)
			{
				localIsOwner = truth;
			};
		}
	}
	[PublicAPI]
	public sealed class CustomSyncedValue<T> : CustomSyncedValueBase
	{
		public T Value
		{
			get
			{
				return (T)base.BoxedValue;
			}
			set
			{
				base.BoxedValue = value;
			}
		}

		public CustomSyncedValue(ConfigSync configSync, string identifier, T value = default(T), int priority = 0)
			: base(configSync, identifier, typeof(T), priority)
		{
			Value = value;
		}

		public void AssignLocalValue(T value)
		{
			if (localIsOwner)
			{
				Value = value;
			}
			else
			{
				LocalBaseValue = value;
			}
		}
	}
	internal class ConfigurationManagerAttributes
	{
		[UsedImplicitly]
		public bool? ReadOnly = false;
	}
	[PublicAPI]
	public class ConfigSync
	{
		[HarmonyPatch(typeof(ZRpc), "HandlePackage")]
		private static class SnatchCurrentlyHandlingRPC
		{
			public static ZRpc? currentRpc;

			[HarmonyPrefix]
			private static void Prefix(ZRpc __instance)
			{
				currentRpc = __instance;
			}
		}

		[HarmonyPatch(typeof(ZNet), "Awake")]
		internal static class RegisterRPCPatch
		{
			[HarmonyPostfix]
			private static void Postfix(ZNet __instance)
			{
				isServer = __instance.IsServer();
				foreach (ConfigSync configSync2 in configSyncs)
				{
					ZRoutedRpc.instance.Register<ZPackage>(configSync2.Name + " ConfigSync", (Action<long, ZPackage>)configSync2.RPC_FromOtherClientConfigSync);
					if (isServer)
					{
						configSync2.InitialSyncDone = true;
						Debug.Log((object)("Registered '" + configSync2.Name + " ConfigSync' RPC - waiting for incoming connections"));
					}
				}
				if (isServer)
				{
					((MonoBehaviour)__instance).StartCoroutine(WatchAdminListChanges());
				}
				static void SendAdmin(List<ZNetPeer> peers, bool isAdmin)
				{
					ZPackage package = ConfigsToPackage(null, null, new PackageEntry[1]
					{
						new PackageEntry
						{
							section = "Internal",
							key = "lockexempt",
							type = typeof(bool),
							value = isAdmin
						}
					});
					ConfigSync configSync = configSyncs.First();
					if (configSync != null)
					{
						((MonoBehaviour)ZNet.instance).StartCoroutine(configSync.sendZPackage(peers, package));
					}
				}
				static IEnumerator WatchAdminListChanges()
				{
					MethodInfo listContainsId = AccessTools.DeclaredMethod(typeof(ZNet), "ListContainsId", (Type[])null, (Type[])null);
					SyncedList adminList = (SyncedList)AccessTools.DeclaredField(typeof(ZNet), "m_adminList").GetValue(ZNet.instance);
					List<string> CurrentList = new List<string>(adminList.GetList());
					while (true)
					{
						yield return (object)new WaitForSeconds(30f);
						if (!adminList.GetList().SequenceEqual(CurrentList))
						{
							CurrentList = new List<string>(adminList.GetList());
							List<ZNetPeer> list = ZNet.instance.GetPeers().Where(delegate(ZNetPeer p)
							{
								string hostName = p.m_rpc.GetSocket().GetHostName();
								return ((object)listContainsId != null) ? ((bool)listContainsId.Invoke(ZNet.instance, new object[2] { adminList, hostName })) : adminList.Contains(hostName);
							}).ToList();
							SendAdmin(ZNet.instance.GetPeers().Except(list).ToList(), isAdmin: false);
							SendAdmin(list, isAdmin: true);
						}
					}
				}
			}
		}

		[HarmonyPatch(typeof(ZNet), "OnNewConnection")]
		private static class RegisterClientRPCPatch
		{
			[HarmonyPostfix]
			private static void Postfix(ZNet __instance, ZNetPeer peer)
			{
				if (__instance.IsServer())
				{
					return;
				}
				foreach (ConfigSync configSync in configSyncs)
				{
					peer.m_rpc.Register<ZPackage>(configSync.Name + " ConfigSync", (Action<ZRpc, ZPackage>)configSync.RPC_FromServerConfigSync);
				}
			}
		}

		private class ParsedConfigs
		{
			public readonly Dictionary<OwnConfigEntryBase, object?> configValues = new Dictionary<OwnConfigEntryBase, object>();

			public readonly Dictionary<CustomSyncedValueBase, object?> customValues = new Dictionary<CustomSyncedValueBase, object>();
		}

		[HarmonyPatch(typeof(ZNet), "Shutdown")]
		private class ResetConfigsOnShutdown
		{
			[HarmonyPostfix]
			private static void Postfix()
			{
				ProcessingServerUpdate = true;
				foreach (ConfigSync configSync in configSyncs)
				{
					configSync.resetConfigsFromServer();
					configSync.IsSourceOfTruth = true;
					configSync.InitialSyncDone = false;
				}
				ProcessingServerUpdate = false;
			}
		}

		[HarmonyPatch(typeof(ZNet), "RPC_PeerInfo")]
		private class SendConfigsAfterLogin
		{
			private class BufferingSocket : ZPlayFabSocket, ISocket
			{
				public volatile bool finished;

				public volatile int versionMatchQueued = -1;

				public readonly List<ZPackage> Package = new List<ZPackage>();

				public readonly ISocket Original;

				public BufferingSocket(ISocket original)
				{
					Original = original;
					((ZPlayFabSocket)this)..ctor();
				}

				public bool IsConnected()
				{
					return Original.IsConnected();
				}

				public ZPackage Recv()
				{
					return Original.Recv();
				}

				public int GetSendQueueSize()
				{
					return Original.GetSendQueueSize();
				}

				public int GetCurrentSendRate()
				{
					return Original.GetCurrentSendRate();
				}

				public bool IsHost()
				{
					return Original.IsHost();
				}

				public void Dispose()
				{
					Original.Dispose();
				}

				public bool GotNewData()
				{
					return Original.GotNewData();
				}

				public void Close()
				{
					Original.Close();
				}

				public string GetEndPointString()
				{
					return Original.GetEndPointString();
				}

				public void GetAndResetStats(out int totalSent, out int totalRecv)
				{
					Original.GetAndResetStats(ref totalSent, ref totalRecv);
				}

				public void GetConnectionQuality(out float localQuality, out float remoteQuality, out int ping, out float outByteSec, out float inByteSec)
				{
					Original.GetConnectionQuality(ref localQuality, ref remoteQuality, ref ping, ref outByteSec, ref inByteSec);
				}

				public ISocket Accept()
				{
					return Original.Accept();
				}

				public int GetHostPort()
				{
					return Original.GetHostPort();
				}

				public bool Flush()
				{
					return Original.Flush();
				}

				public string GetHostName()
				{
					return Original.GetHostName();
				}

				public void VersionMatch()
				{
					if (finished)
					{
						Original.VersionMatch();
					}
					else
					{
						versionMatchQueued = Package.Count;
					}
				}

				public void Send(ZPackage pkg)
				{
					//IL_004c: Unknown result type (might be due to invalid IL or missing references)
					//IL_0052: Expected O, but got Unknown
					int pos = pkg.GetPos();
					pkg.SetPos(0);
					int num = pkg.ReadInt();
					if ((num == StringExtensionMethods.GetStableHashCode("PeerInfo") || num == StringExtensionMethods.GetStableHashCode("RoutedRPC") || num == StringExtensionMethods.GetStableHashCode("ZDOData")) && !finished)
					{
						ZPackage val = new ZPackage(pkg.GetArray());
						val.SetPos(pos);
						Package.Add(val);
					}
					else
					{
						pkg.SetPos(pos);
						Original.Send(pkg);
					}
				}
			}

			[HarmonyPriority(800)]
			[HarmonyPrefix]
			private static void Prefix(ref Dictionary<Assembly, BufferingSocket>? __state, ZNet __instance, ZRpc rpc)
			{
				//IL_0073: Unknown result type (might be due to invalid IL or missing references)
				if (!__instance.IsServer())
				{
					return;
				}
				BufferingSocket bufferingSocket = new BufferingSocket(rpc.GetSocket());
				AccessTools.DeclaredField(typeof(ZRpc), "m_socket").SetValue(rpc, bufferingSocket);
				object? obj = AccessTools.DeclaredMethod(typeof(ZNet), "GetPeer", new Type[1] { typeof(ZRpc) }, (Type[])null).Invoke(__instance, new object[1] { rpc });
				ZNetPeer val = (ZNetPeer)((obj is ZNetPeer) ? obj : null);
				if (val != null && (int)ZNet.m_onlineBackend != 0)
				{
					FieldInfo fieldInfo = AccessTools.DeclaredField(typeof(ZNetPeer), "m_socket");
					object? value = fieldInfo.GetValue(val);
					ZPlayFabSocket val2 = (ZPlayFabSocket)((value is ZPlayFabSocket) ? value : null);
					if (val2 != null)
					{
						typeof(ZPlayFabSocket).GetField("m_remotePlayerId").SetValue(bufferingSocket, val2.m_remotePlayerId);
					}
					fieldInfo.SetValue(val, bufferingSocket);
				}
				if (__state == null)
				{
					__state = new Dictionary<Assembly, BufferingSocket>();
				}
				__state[Assembly.GetExecutingAssembly()] = bufferingSocket;
			}

			[HarmonyPostfix]
			private static void Postfix(Dictionary<Assembly, BufferingSocket> __state, ZNet __instance, ZRpc rpc)
			{
				ZNetPeer peer;
				if (__instance.IsServer())
				{
					object obj = AccessTools.DeclaredMethod(typeof(ZNet), "GetPeer", new Type[1] { typeof(ZRpc) }, (Type[])null).Invoke(__instance, new object[1] { rpc });
					peer = (ZNetPeer)((obj is ZNetPeer) ? obj : null);
					if (peer == null)
					{
						SendBufferedData();
					}
					else
					{
						((MonoBehaviour)__instance).StartCoroutine(sendAsync());
					}
				}
				void SendBufferedData()
				{
					if (rpc.GetSocket() is BufferingSocket bufferingSocket)
					{
						AccessTools.DeclaredField(typeof(ZRpc), "m_socket").SetValue(rpc, bufferingSocket.Original);
						object? obj2 = AccessTools.DeclaredMethod(typeof(ZNet), "GetPeer", new Type[1] { typeof(ZRpc) }, (Type[])null).Invoke(__instance, new object[1] { rpc });
						ZNetPeer val = (ZNetPeer)((obj2 is ZNetPeer) ? obj2 : null);
						if (val != null)
						{
							AccessTools.DeclaredField(typeof(ZNetPeer), "m_socket").SetValue(val, bufferingSocket.Original);
						}
					}
					BufferingSocket bufferingSocket2 = __state[Assembly.GetExecutingAssembly()];
					bufferingSocket2.finished = true;
					for (int i = 0; i < bufferingSocket2.Package.Count; i++)
					{
						if (i == bufferingSocket2.versionMatchQueued)
						{
							bufferingSocket2.Original.VersionMatch();
						}
						bufferingSocket2.Original.Send(bufferingSocket2.Package[i]);
					}
					if (bufferingSocket2.Package.Count == bufferingSocket2.versionMatchQueued)
					{
						bufferingSocket2.Original.VersionMatch();
					}
				}
				IEnumerator sendAsync()
				{
					foreach (ConfigSync configSync in configSyncs)
					{
						List<PackageEntry> list = new List<PackageEntry>();
						if (configSync.CurrentVersion != null)
						{
							list.Add(new PackageEntry
							{
								section = "Internal",
								key = "serverversion",
								type = typeof(string),
								value = configSync.CurrentVersion
							});
						}
						MethodInfo methodInfo = AccessTools.DeclaredMethod(typeof(ZNet), "ListContainsId", (Type[])null, (Type[])null);
						SyncedList val = (SyncedList)AccessTools.DeclaredField(typeof(ZNet), "m_adminList").GetValue(ZNet.instance);
						list.Add(new PackageEntry
						{
							section = "Internal",
							key = "lockexempt",
							type = typeof(bool),
							value = (((object)methodInfo == null) ? ((object)val.Contains(rpc.GetSocket().GetHostName())) : methodInfo.Invoke(ZNet.instance, new object[2]
							{
								val,
								rpc.GetSocket().GetHostName()
							}))
						});
						ZPackage package = ConfigsToPackage(configSync.allConfigs.Select((OwnConfigEntryBase c) => c.BaseConfig), configSync.allCustomValues, list, partial: false);
						yield return ((MonoBehaviour)__instance).StartCoroutine(configSync.sendZPackage(new List<ZNetPeer> { peer }, package));
					}
					SendBufferedData();
				}
			}
		}

		private class PackageEntry
		{
			public string section;

			public string key;

			public Type type;

			public object? value;
		}

		[HarmonyPatch(typeof(ConfigEntryBase), "GetSerializedValue")]
		private static class PreventSavingServerInfo
		{
			[HarmonyPrefix]
			private static bool Prefix(ConfigEntryBase __instance, ref string __result)
			{
				OwnConfigEntryBase ownConfigEntryBase = configData(__instance);
				if (ownConfigEntryBase == null || isWritableConfig(ownConfigEntryBase))
				{
					return true;
				}
				__result = TomlTypeConverter.ConvertToString(ownConfigEntryBase.LocalBaseValue, __instance.SettingType);
				return false;
			}
		}

		[HarmonyPatch(typeof(ConfigEntryBase), "SetSerializedValue")]
		private static class PreventConfigRereadChangingValues
		{
			[HarmonyPrefix]
			private static bool Prefix(ConfigEntryBase __instance, string value)
			{
				OwnConfigEntryBase ownConfigEntryBase = configData(__instance);
				if (ownConfigEntryBase == null || ownConfigEntryBase.LocalBaseValue == null)
				{
					return true;
				}
				try
				{
					ownConfigEntryBase.LocalBaseValue = TomlTypeConverter.ConvertToValue(value, __instance.SettingType);
				}
				catch (Exception ex)
				{
					Debug.LogWarning((object)$"Config value of setting \"{__instance.Definition}\" could not be parsed and will be ignored. Reason: {ex.Message}; Value: {value}");
				}
				return false;
			}
		}

		private class InvalidDeserializationTypeException : Exception
		{
			public string expected;

			public string received;

			public string field = "";
		}

		public static bool ProcessingServerUpdate;

		public readonly string Name;

		public string? DisplayName;

		public string? CurrentVersion;

		public string? MinimumRequiredVersion;

		public bool ModRequired;

		private bool? forceConfigLocking;

		private bool isSourceOfTruth = true;

		private static readonly HashSet<ConfigSync> configSyncs;

		private readonly HashSet<OwnConfigEntryBase> allConfigs = new HashSet<OwnConfigEntryBase>();

		private HashSet<CustomSyncedValueBase> allCustomValues = new HashSet<CustomSyncedValueBase>();

		private static bool isServer;

		private static bool lockExempt;

		private OwnConfigEntryBase? lockedConfig;

		private const byte PARTIAL_CONFIGS = 1;

		private const byte FRAGMENTED_CONFIG = 2;

		private const byte COMPRESSED_CONFIG = 4;

		private readonly Dictionary<string, SortedDictionary<int, byte[]>> configValueCache = new Dictionary<string, SortedDictionary<int, byte[]>>();

		private readonly List<KeyValuePair<long, string>> cacheExpirations = new List<KeyValuePair<long, string>>();

		private static long packageCounter;

		public bool IsLocked
		{
			get
			{
				bool? flag = forceConfigLocking;
				bool num;
				if (!flag.HasValue)
				{
					if (lockedConfig == null)
					{
						goto IL_0051;
					}
					num = ((IConvertible)lockedConfig.BaseConfig.BoxedValue).ToInt32(CultureInfo.InvariantCulture) != 0;
				}
				else
				{
					num = flag == true;
				}
				if (num)
				{
					return !lockExempt;
				}
				goto IL_0051;
				IL_0051:
				return false;
			}
			set
			{
				forceConfigLocking = value;
			}
		}

		public bool IsAdmin
		{
			get
			{
				if (!lockExempt)
				{
					return isSourceOfTruth;
				}
				return true;
			}
		}

		public bool IsSourceOfTruth
		{
			get
			{
				return isSourceOfTruth;
			}
			private set
			{
				if (value != isSourceOfTruth)
				{
					isSourceOfTruth = value;
					this.SourceOfTruthChanged?.Invoke(value);
				}
			}
		}

		public bool InitialSyncDone { get; private set; }

		public event Action<bool>? SourceOfTruthChanged;

		private event Action? lockedConfigChanged;

		static ConfigSync()
		{
			ProcessingServerUpdate = false;
			configSyncs = new HashSet<ConfigSync>();
			lockExempt = false;
			packageCounter = 0L;
			RuntimeHelpers.RunClassConstructor(typeof(VersionCheck).TypeHandle);
		}

		public ConfigSync(string name)
		{
			Name = name;
			configSyncs.Add(this);
			new VersionCheck(this);
		}

		public SyncedConfigEntry<T> AddConfigEntry<T>(ConfigEntry<T> configEntry)
		{
			OwnConfigEntryBase ownConfigEntryBase = configData((ConfigEntryBase)(object)configEntry);
			SyncedConfigEntry<T> syncedEntry = ownConfigEntryBase as SyncedConfigEntry<T>;
			if (syncedEntry == null)
			{
				syncedEntry = new SyncedConfigEntry<T>(configEntry);
				AccessTools.DeclaredField(typeof(ConfigDescription), "<Tags>k__BackingField").SetValue(((ConfigEntryBase)configEntry).Description, new object[1]
				{
					new ConfigurationManagerAttributes()
				}.Concat(((ConfigEntryBase)configEntry).Description.Tags ?? Array.Empty<object>()).Concat(new SyncedConfigEntry<T>[1] { syncedEntry }).ToArray());
				configEntry.SettingChanged += delegate
				{
					if (!ProcessingServerUpdate && syncedEntry.SynchronizedConfig)
					{
						Broadcast(0L, (ConfigEntryBase)configEntry);
					}
				};
				allConfigs.Add(syncedEntry);
			}
			return syncedEntry;
		}

		public SyncedConfigEntry<T> AddLockingConfigEntry<T>(ConfigEntry<T> lockingConfig) where T : IConvertible
		{
			if (lockedConfig != null)
			{
				throw new Exception("Cannot initialize locking ConfigEntry twice");
			}
			lockedConfig = AddConfigEntry<T>(lockingConfig);
			lockingConfig.SettingChanged += delegate
			{
				this.lockedConfigChanged?.Invoke();
			};
			return (SyncedConfigEntry<T>)lockedConfig;
		}

		internal void AddCustomValue(CustomSyncedValueBase customValue)
		{
			if (allCustomValues.Select((CustomSyncedValueBase v) => v.Identifier).Concat(new string[1] { "serverversion" }).Contains(customValue.Identifier))
			{
				throw new Exception("Cannot have multiple settings with the same name or with a reserved name (serverversion)");
			}
			allCustomValues.Add(customValue);
			allCustomValues = new HashSet<CustomSyncedValueBase>(allCustomValues.OrderByDescending((CustomSyncedValueBase v) => v.Priority));
			customValue.ValueChanged += delegate
			{
				if (!ProcessingServerUpdate)
				{
					Broadcast(0L, customValue);
				}
			};
		}

		private void RPC_FromServerConfigSync(ZRpc rpc, ZPackage package)
		{
			lockedConfigChanged += serverLockedSettingChanged;
			IsSourceOfTruth = false;
			if (HandleConfigSyncRPC(0L, package, clientUpdate: false))
			{
				InitialSyncDone = true;
			}
		}

		private void RPC_FromOtherClientConfigSync(long sender, ZPackage package)
		{
			HandleConfigSyncRPC(sender, package, clientUpdate: true);
		}

		private bool HandleConfigSyncRPC(long sender, ZPackage package, bool clientUpdate)
		{
			//IL_0209: Unknown result type (might be due to invalid IL or missing references)
			//IL_0210: Expected O, but got Unknown
			//IL_01b8: Unknown result type (might be due to invalid IL or missing references)
			//IL_01bf: Expected O, but got Unknown
			//IL_006c: Unknown result type (might be due to invalid IL or missing references)
			//IL_0073: Expected O, but got Unknown
			try
			{
				if (isServer && IsLocked)
				{
					ZRpc? currentRpc = SnatchCurrentlyHandlingRPC.currentRpc;
					object obj;
					if (currentRpc == null)
					{
						obj = null;
					}
					else
					{
						ISocket socket = currentRpc.GetSocket();
						obj = ((socket != null) ? socket.GetHostName() : null);
					}
					string text = (string)obj;
					if (text != null)
					{
						MethodInfo methodInfo = AccessTools.DeclaredMethod(typeof(ZNet), "ListContainsId", (Type[])null, (Type[])null);
						SyncedList val = (SyncedList)AccessTools.DeclaredField(typeof(ZNet), "m_adminList").GetValue(ZNet.instance);
						if (!(((object)methodInfo == null) ? val.Contains(text) : ((bool)methodInfo.Invoke(ZNet.instance, new object[2] { val, text }))))
						{
							return false;
						}
					}
				}
				cacheExpirations.RemoveAll(delegate(KeyValuePair<long, string> kv)
				{
					if (kv.Key < DateTimeOffset.Now.Ticks)
					{
						configValueCache.Remove(kv.Value);
						return true;
					}
					return false;
				});
				byte b = package.ReadByte();
				if ((b & 2) != 0)
				{
					long num = package.ReadLong();
					string text2 = sender.ToString() + num;
					if (!configValueCache.TryGetValue(text2, out SortedDictionary<int, byte[]> value))
					{
						value = new SortedDictionary<int, byte[]>();
						configValueCache[text2] = value;
						cacheExpirations.Add(new KeyValuePair<long, string>(DateTimeOffset.Now.AddSeconds(60.0).Ticks, text2));
					}
					int key = package.ReadInt();
					int num2 = package.ReadInt();
					value.Add(key, package.ReadByteArray());
					if (value.Count < num2)
					{
						return false;
					}
					configValueCache.Remove(text2);
					package = new ZPackage(value.Values.SelectMany((byte[] a) => a).ToArray());
					b = package.ReadByte();
				}
				ProcessingServerUpdate = true;
				if ((b & 4) != 0)
				{
					MemoryStream stream = new MemoryStream(package.ReadByteArray());
					MemoryStream memoryStream = new MemoryStream();
					using (DeflateStream deflateStream = new DeflateStream(stream, CompressionMode.Decompress))
					{
						deflateStream.CopyTo(memoryStream);
					}
					package = new ZPackage(memoryStream.ToArray());
					b = package.ReadByte();
				}
				if ((b & 1) == 0)
				{
					resetConfigsFromServer();
				}
				ParsedConfigs parsedConfigs = ReadConfigsFromPackage(package);
				ConfigFile val2 = null;
				bool saveOnConfigSet = false;
				foreach (KeyValuePair<OwnConfigEntryBase, object> configValue in parsedConfigs.configValues)
				{
					if (!isServer && configValue.Key.LocalBaseValue == null)
					{
						configValue.Key.LocalBaseValue = configValue.Key.BaseConfig.BoxedValue;
					}
					if (val2 == null)
					{
						val2 = configValue.Key.BaseConfig.ConfigFile;
						saveOnConfigSet = val2.SaveOnConfigSet;
						val2.SaveOnConfigSet = false;
					}
					configValue.Key.BaseConfig.BoxedValue = configValue.Value;
				}
				if (val2 != null)
				{
					val2.SaveOnConfigSet = saveOnConfigSet;
					val2.Save();
				}
				foreach (KeyValuePair<CustomSyncedValueBase, object> customValue in parsedConfigs.customValues)
				{
					if (!isServer)
					{
						CustomSyncedValueBase key2 = customValue.Key;
						if (key2.LocalBaseValue == null)
						{
							key2.LocalBaseValue = customValue.Key.BoxedValue;
						}
					}
					customValue.Key.BoxedValue = customValue.Value;
				}
				Debug.Log((object)string.Format("Received {0} configs and {1} custom values from {2} for mod {3}", parsedConfigs.configValues.Count, parsedConfigs.customValues.Count, (isServer || clientUpdate) ? $"client {sender}" : "the server", DisplayName ?? Name));
				if (!isServer)
				{
					serverLockedSettingChanged();
				}
				return true;
			}
			finally
			{
				ProcessingServerUpdate = false;
			}
		}

		private ParsedConfigs ReadConfigsFromPackage(ZPackage package)
		{
			ParsedConfigs parsedConfigs = new ParsedConfigs();
			Dictionary<string, OwnConfigEntryBase> dictionary = allConfigs.Where((OwnConfigEntryBase c) => c.SynchronizedConfig).ToDictionary((OwnConfigEntryBase c) => c.BaseConfig.Definition.Section + "_" + c.BaseConfig.Definition.Key, (OwnConfigEntryBase c) => c);
			Dictionary<string, CustomSyncedValueBase> dictionary2 = allCustomValues.ToDictionary((CustomSyncedValueBase c) => c.Identifier, (CustomSyncedValueBase c) => c);
			int num = package.ReadInt();
			for (int num2 = 0; num2 < num; num2++)
			{
				string text = package.ReadString();
				string text2 = package.ReadString();
				string text3 = package.ReadString();
				Type type = Type.GetType(text3);
				if (text3 == "" || type != null)
				{
					object obj;
					try
					{
						obj = ((text3 == "") ? null : ReadValueWithTypeFromZPackage(package, type));
					}
					catch (InvalidDeserializationTypeException ex)
					{
						Debug.LogWarning((object)("Got unexpected struct internal type " + ex.received + " for field " + ex.field + " struct " + text3 + " for " + text2 + " in section " + text + " for mod " + (DisplayName ?? Name) + ", expecting " + ex.expected));
						continue;
					}
					OwnConfigEntryBase value2;
					if (text == "Internal")
					{
						CustomSyncedValueBase value;
						if (text2 == "serverversion")
						{
							if (obj?.ToString() != CurrentVersion)
							{
								Debug.LogWarning((object)("Received server version is not equal: server version = " + (obj?.ToString() ?? "null") + "; local version = " + (CurrentVersion ?? "unknown")));
							}
						}
						else if (text2 == "lockexempt")
						{
							if (obj is bool flag)
							{
								lockExempt = flag;
							}
						}
						else if (dictionary2.TryGetValue(text2, out value))
						{
							if ((text3 == "" && (!value.Type.IsValueType || Nullable.GetUnderlyingType(value.Type) != null)) || GetZPackageTypeString(value.Type) == text3)
							{
								parsedConfigs.customValues[value] = obj;
								continue;
							}
							Debug.LogWarning((object)("Got unexpected type " + text3 + " for internal value " + text2 + " for mod " + (DisplayName ?? Name) + ", expecting " + value.Type.AssemblyQualifiedName));
						}
					}
					else if (dictionary.TryGetValue(text + "_" + text2, out value2))
					{
						Type type2 = configType(value2.BaseConfig);
						if ((text3 == "" && (!type2.IsValueType || Nullable.GetUnderlyingType(type2) != null)) || GetZPackageTypeString(type2) == text3)
						{
							parsedConfigs.configValues[value2] = obj;
							continue;
						}
						Debug.LogWarning((object)("Got unexpected type " + text3 + " for " + text2 + " in section " + text + " for mod " + (DisplayName ?? Name) + ", expecting " + type2.AssemblyQualifiedName));
					}
					else
					{
						Debug.LogWarning((object)("Received unknown config entry " + text2 + " in section " + text + " for mod " + (DisplayName ?? Name) + ". This may happen if client and server versions of the mod do not match."));
					}
					continue;
				}
				Debug.LogWarning((object)("Got invalid type " + text3 + ", abort reading of received configs"));
				return new ParsedConfigs();
			}
			return parsedConfigs;
		}

		private static bool isWritableConfig(OwnConfigEntryBase config)
		{
			ConfigSync configSync = configSyncs.FirstOrDefault((ConfigSync cs) => cs.allConfigs.Contains(config));
			if (configSync == null)
			{
				return true;
			}
			if (!configSync.IsSourceOfTruth && config.SynchronizedConfig && config.LocalBaseValue != null)
			{
				if (!configSync.IsLocked)
				{
					if (config == configSync.lockedConfig)
					{
						return lockExempt;
					}
					return true;
				}
				return false;
			}
			return true;
		}

		private void serverLockedSettingChanged()
		{
			foreach (OwnConfigEntryBase allConfig in allConfigs)
			{
				configAttribute<ConfigurationManagerAttributes>(allConfig.BaseConfig).ReadOnly = !isWritableConfig(allConfig);
			}
		}

		private void resetConfigsFromServer()
		{
			ConfigFile val = null;
			bool saveOnConfigSet = false;
			foreach (OwnConfigEntryBase item in allConfigs.Where((OwnConfigEntryBase config) => config.LocalBaseValue != null))
			{
				if (val == null)
				{
					val = item.BaseConfig.ConfigFile;
					saveOnConfigSet = val.SaveOnConfigSet;
					val.SaveOnConfigSet = false;
				}
				item.BaseConfig.BoxedValue = item.LocalBaseValue;
				item.LocalBaseValue = null;
			}
			if (val != null)
			{
				val.SaveOnConfigSet = saveOnConfigSet;
			}
			foreach (CustomSyncedValueBase item2 in allCustomValues.Where((CustomSyncedValueBase config) => config.LocalBaseValue != null))
			{
				item2.BoxedValue = item2.LocalBaseValue;
				item2.LocalBaseValue = null;
			}
			lockedConfigChanged -= serverLockedSettingChanged;
			serverLockedSettingChanged();
		}

		private IEnumerator<bool> distributeConfigToPeers(ZNetPeer peer, ZPackage package)
		{
			ZRoutedRpc rpc = ZRoutedRpc.instance;
			if (rpc == null)
			{
				yield break;
			}
			byte[] data = package.GetArray();
			if (data != null && data.LongLength > 250000)
			{
				int fragments = (int)(1 + (data.LongLength - 1) / 250000);
				long packageIdentifier = ++packageCounter;
				int fragment = 0;
				while (fragment < fragments)
				{
					foreach (bool item in waitForQueue())
					{
						yield return item;
					}
					if (peer.m_socket.IsConnected())
					{
						ZPackage val = new ZPackage();
						val.Write((byte)2);
						val.Write(packageIdentifier);
						val.Write(fragment);
						val.Write(fragments);
						val.Write(data.Skip(250000 * fragment).Take(250000).ToArray());
						SendPackage(val);
						if (fragment != fragments - 1)
						{
							yield return true;
						}
						int num = fragment + 1;
						fragment = num;
						continue;
					}
					break;
				}
				yield break;
			}
			foreach (bool item2 in waitForQueue())
			{
				yield return item2;
			}
			SendPackage(package);
			void SendPackage(ZPackage pkg)
			{
				string text = Name + " ConfigSync";
				if (isServer)
				{
					peer.m_rpc.Invoke(text, new object[1] { pkg });
				}
				else
				{
					rpc.InvokeRoutedRPC(peer.m_server ? 0 : peer.m_uid, text, new object[1] { pkg });
				}
			}
			IEnumerable<bool> waitForQueue()
			{
				float timeout = Time.time + 30f;
				while (peer.m_socket.GetSendQueueSize() > 20000)
				{
					if (Time.time > timeout)
					{
						Debug.Log((object)$"Disconnecting {peer.m_uid} after 30 seconds config sending timeout");
						peer.m_rpc.Invoke("Error", new object[1] { (object)(ConnectionStatus)5 });
						ZNet.instance.Disconnect(peer);
						break;
					}
					yield return false;
				}
			}
		}

		private IEnumerator sendZPackage(long target, ZPackage package)
		{
			if (!Object.op_Implicit((Object)(object)ZNet.instance))
			{
				return Enumerable.Empty<object>().GetEnumerator();
			}
			List<ZNetPeer> list = (List<ZNetPeer>)AccessTools.DeclaredField(typeof(ZRoutedRpc), "m_peers").GetValue(ZRoutedRpc.instance);
			if (target != 0L)
			{
				list = list.Where((ZNetPeer p) => p.m_uid == target).ToList();
			}
			return sendZPackage(list, package);
		}

		private IEnumerator sendZPackage(List<ZNetPeer> peers, ZPackage package)
		{
			if (!Object.op_Implicit((Object)(object)ZNet.instance))
			{
				yield break;
			}
			byte[] array = package.GetArray();
			if (array != null && array.LongLength > 10000)
			{
				ZPackage val = new ZPackage();
				val.Write((byte)4);
				MemoryStream memoryStream = new MemoryStream();
				using (DeflateStream deflateStream = new DeflateStream(memoryStream, CompressionLevel.Optimal))
				{
					deflateStream.Write(array, 0, array.Length);
				}
				val.Write(memoryStream.ToArray());
				package = val;
			}
			List<IEnumerator<bool>> writers = (from p in peers
				where p.IsReady()
				select distributeConfigToPeers(p, package)).ToList();
			writers.RemoveAll((IEnumerator<bool> writer) => !writer.MoveNext());
			while (writers.Count > 0)
			{
				yield return null;
				writers.RemoveAll((IEnumerator<bool> writer) => !writer.MoveNext());
			}
		}

		private void Broadcast(long target, params ConfigEntryBase[] configs)
		{
			if (!IsLocked || isServer)
			{
				ZPackage package = ConfigsToPackage(configs);
				ZNet instance = ZNet.instance;
				if (instance != null)
				{
					((MonoBehaviour)instance).StartCoroutine(sendZPackage(target, package));
				}
			}
		}

		private void Broadcast(long target, params CustomSyncedValueBase[] customValues)
		{
			if (!IsLocked || isServer)
			{
				ZPackage package = ConfigsToPackage(null, customValues);
				ZNet instance = ZNet.instance;
				if (instance != null)
				{
					((MonoBehaviour)instance).StartCoroutine(sendZPackage(target, package));
				}
			}
		}

		private static OwnConfigEntryBase? configData(ConfigEntryBase config)
		{
			return config.Description.Tags?.OfType<OwnConfigEntryBase>().SingleOrDefault();
		}

		public static SyncedConfigEntry<T>? ConfigData<T>(ConfigEntry<T> config)
		{
			return ((ConfigEntryBase)config).Description.Tags?.OfType<SyncedConfigEntry<T>>().SingleOrDefault();
		}

		private static T configAttribute<T>(ConfigEntryBase config)
		{
			return config.Description.Tags.OfType<T>().First();
		}

		private static Type configType(ConfigEntryBase config)
		{
			return configType(config.SettingType);
		}

		private static Type configType(Type type)
		{
			if (!type.IsEnum)
			{
				return type;
			}
			return Enum.GetUnderlyingType(type);
		}

		private static ZPackage ConfigsToPackage(IEnumerable<ConfigEntryBase>? configs = null, IEnumerable<CustomSyncedValueBase>? customValues = null, IEnumerable<PackageEntry>? packageEntries = null, bool partial = true)
		{
			//IL_0050: Unknown result type (might be due to invalid IL or missing references)
			//IL_0056: Expected O, but got Unknown
			List<ConfigEntryBase> list = configs?.Where((ConfigEntryBase config) => configData(config).SynchronizedConfig).ToList() ?? new List<ConfigEntryBase>();
			List<CustomSyncedValueBase> list2 = customValues?.ToList() ?? new List<CustomSyncedValueBase>();
			ZPackage val = new ZPackage();
			val.Write(partial ? ((byte)1) : ((byte)0));
			val.Write(list.Count + list2.Count + (packageEntries?.Count() ?? 0));
			foreach (PackageEntry item in packageEntries ?? Array.Empty<PackageEntry>())
			{
				AddEntryToPackage(val, item);
			}
			foreach (CustomSyncedValueBase item2 in list2)
			{
				AddEntryToPackage(val, new PackageEntry
				{
					section = "Internal",
					key = item2.Identifier,
					type = item2.Type,
					value = item2.BoxedValue
				});
			}
			foreach (ConfigEntryBase item3 in list)
			{
				AddEntryToPackage(val, new PackageEntry
				{
					section = item3.Definition.Section,
					key = item3.Definition.Key,
					type = configType(item3),
					value = item3.BoxedValue
				});
			}
			return val;
		}

		private static void AddEntryToPackage(ZPackage package, PackageEntry entry)
		{
			package.Write(entry.section);
			package.Write(entry.key);
			package.Write((entry.value == null) ? "" : GetZPackageTypeString(entry.type));
			AddValueToZPackage(package, entry.value);
		}

		private static string GetZPackageTypeString(Type type)
		{
			return type.AssemblyQualifiedName;
		}

		private static void AddValueToZPackage(ZPackage package, object? value)
		{
			Type type = value?.GetType();
			if (value is Enum)
			{
				value = ((IConvertible)value).ToType(Enum.GetUnderlyingType(value.GetType()), CultureInfo.InvariantCulture);
			}
			else
			{
				if (value is ICollection collection)
				{
					package.Write(collection.Count);
					{
						foreach (object item in collection)
						{
							AddValueToZPackage(package, item);
						}
						return;
					}
				}
				if ((object)type != null && type.IsValueType && !type.IsPrimitive)
				{
					FieldInfo[] fields = type.GetFields(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
					package.Write(fields.Length);
					FieldInfo[] array = fields;
					foreach (FieldInfo fieldInfo in array)
					{
						package.Write(GetZPackageTypeString(fieldInfo.FieldType));
						AddValueToZPackage(package, fieldInfo.GetValue(value));
					}
					return;
				}
			}
			ZRpc.Serialize(new object[1] { value }, ref package);
		}

		private static object ReadValueWithTypeFromZPackage(ZPackage package, Type type)
		{
			if ((object)type != null && type.IsValueType && !type.IsPrimitive && !type.IsEnum)
			{
				FieldInfo[] fields = type.GetFields(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
				int num = package.ReadInt();
				if (num != fields.Length)
				{
					throw new InvalidDeserializationTypeException
					{
						received = $"(field count: {num})",
						expected = $"(field count: {fields.Length})"
					};
				}
				object uninitializedObject = FormatterServices.GetUninitializedObject(type);
				FieldInfo[] array = fields;
				foreach (FieldInfo fieldInfo in array)
				{
					string text = package.ReadString();
					if (text != GetZPackageTypeString(fieldInfo.FieldType))
					{
						throw new InvalidDeserializationTypeException
						{
							received = text,
							expected = GetZPackageTypeString(fieldInfo.FieldType),
							field = fieldInfo.Name
						};
					}
					fieldInfo.SetValue(uninitializedObject, ReadValueWithTypeFromZPackage(package, fieldInfo.FieldType));
				}
				return uninitializedObject;
			}
			if (type.IsGenericType && type.GetGenericTypeDefinition() == typeof(Dictionary<, >))
			{
				int num2 = package.ReadInt();
				IDictionary dictionary = (IDictionary)Activator.CreateInstance(type);
				Type type2 = typeof(KeyValuePair<, >).MakeGenericType(type.GenericTypeArguments);
				FieldInfo field = type2.GetField("key", BindingFlags.Instance | BindingFlags.NonPublic);
				FieldInfo field2 = type2.GetField("value", BindingFlags.Instance | BindingFlags.NonPublic);
				for (int j = 0; j < num2; j++)
				{
					object obj = ReadValueWithTypeFromZPackage(package, type2);
					dictionary.Add(field.GetValue(obj), field2.GetValue(obj));
				}
				return dictionary;
			}
			if (type != typeof(List<string>) && type.IsGenericType)
			{
				Type type3 = typeof(ICollection<>).MakeGenericType(type.GenericTypeArguments[0]);
				if ((object)type3 != null && type3.IsAssignableFrom(type))
				{
					int num3 = package.ReadInt();
					object obj2 = Activator.CreateInstance(type);
					MethodInfo method = type3.GetMethod("Add");
					for (int k = 0; k < num3; k++)
					{
						method.Invoke(obj2, new object[1] { ReadValueWithTypeFromZPackage(package, type.GenericTypeArguments[0]) });
					}
					return obj2;
				}
			}
			ParameterInfo parameterInfo = (ParameterInfo)FormatterServices.GetUninitializedObject(typeof(ParameterInfo));
			AccessTools.DeclaredField(typeof(ParameterInfo), "ClassImpl").SetValue(parameterInfo, type);
			List<object> source = new List<object>();
			ZRpc.Deserialize(new ParameterInfo[2] { null, parameterInfo }, package, ref source);
			return source.First();
		}
	}
	[PublicAPI]
	[HarmonyPatch]
	public class VersionCheck
	{
		private static readonly HashSet<VersionCheck> versionChecks;

		private static readonly Dictionary<string, string> notProcessedNames;

		public string Name;

		private string? displayName;

		private string? currentVersion;

		private string? minimumRequiredVersion;

		public bool ModRequired = true;

		private string? ReceivedCurrentVersion;

		private string? ReceivedMinimumRequiredVersion;

		private readonly List<ZRpc> ValidatedClients = new List<ZRpc>();

		private ConfigSync? ConfigSync;

		public string DisplayName
		{
			get
			{
				return displayName ?? Name;
			}
			set
			{
				displayName = value;
			}
		}

		public string CurrentVersion
		{
			get
			{
				return currentVersion ?? "0.0.0";
			}
			set
			{
				currentVersion = value;
			}
		}

		public string MinimumRequiredVersion
		{
			get
			{
				string text = minimumRequiredVersion;
				if (text == null)
				{
					if (!ModRequired)
					{
						return "0.0.0";
					}
					text = CurrentVersion;
				}
				return text;
			}
			set
			{
				minimumRequiredVersion = value;
			}
		}

		private static void PatchServerSync()
		{
			//IL_0056: Unknown result type (might be due to invalid IL or missing references)
			//IL_005c: Expected O, but got Unknown
			Patches patchInfo = PatchProcessor.GetPatchInfo((MethodBase)AccessTools.DeclaredMethod(typeof(ZNet), "Awake", (Type[])null, (Type[])null));
			if (patchInfo != null && patchInfo.Postfixes.Count((Patch p) => p.PatchMethod.DeclaringType == typeof(ConfigSync.RegisterRPCPatch)) > 0)
			{
				return;
			}
			Harmony val = new Harmony("org.bepinex.helpers.ServerSync");
			foreach (Type item in from t in typeof(ConfigSync).GetNestedTypes(BindingFlags.NonPublic).Concat(new Type[1] { typeof(VersionCheck) })
				where t.IsClass
				select t)
			{
				val.PatchAll(item);
			}
		}

		static VersionCheck()
		{
			versionChecks = new HashSet<VersionCheck>();
			notProcessedNames = new Dictionary<string, string>();
			typeof(ThreadingHelper).GetMethod("StartSyncInvoke").Invoke(ThreadingHelper.Instance, new object[1]
			{
				new Action(PatchServerSync)
			});
		}

		public VersionCheck(string name)
		{
			Name = name;
			ModRequired = true;
			versionChecks.Add(this);
		}

		public VersionCheck(ConfigSync configSync)
		{
			ConfigSync = configSync;
			Name = ConfigSync.Name;
			versionChecks.Add(this);
		}

		public void Initialize()
		{
			ReceivedCurrentVersion = null;
			ReceivedMinimumRequiredVersion = null;
			if (ConfigSync != null)
			{
				Name = ConfigSync.Name;
				DisplayName = ConfigSync.DisplayName;
				CurrentVersion = ConfigSync.CurrentVersion;
				MinimumRequiredVersion = ConfigSync.MinimumRequiredVersion;
				ModRequired = ConfigSync.ModRequired;
			}
		}

		private bool IsVersionOk()
		{
			if (ReceivedMinimumRequiredVersion == null || ReceivedCurrentVersion == null)
			{
				return !ModRequired;
			}
			bool num = new Version(CurrentVersion) >= new Version(ReceivedMinimumRequiredVersion);
			bool flag = new Version(ReceivedCurrentVersion) >= new Version(MinimumRequiredVersion);
			return num && flag;
		}

		private string ErrorClient()
		{
			if (ReceivedMinimumRequiredVersion == null)
			{
				return DisplayName + " is not installed on the server.";
			}
			if (!(new Version(CurrentVersion) >= new Version(ReceivedMinimumRequiredVersion)))
			{
				return DisplayName + " needs to be at least version " + ReceivedMinimumRequiredVersion + ". You have version " + CurrentVersion + ".";
			}
			return DisplayName + " may not be higher than version " + ReceivedCurrentVersion + ". You have version " + CurrentVersion + ".";
		}

		private string ErrorServer(ZRpc rpc)
		{
			return "Disconnect: The client (" + rpc.GetSocket().GetHostName() + ") doesn't have the correct " + DisplayName + " version " + MinimumRequiredVersion;
		}

		private string Error(ZRpc? rpc = null)
		{
			if (rpc != null)
			{
				return ErrorServer(rpc);
			}
			return ErrorClient();
		}

		private static VersionCheck[] GetFailedClient()
		{
			return versionChecks.Where((VersionCheck check) => !check.IsVersionOk()).ToArray();
		}

		private static VersionCheck[] GetFailedServer(ZRpc rpc)
		{
			return versionChecks.Where((VersionCheck check) => check.ModRequired && !check.ValidatedClients.Contains(rpc)).ToArray();
		}

		private static void Logout()
		{
			Game.instance.Logout(true, true);
			AccessTools.DeclaredField(typeof(ZNet), "m_connectionStatus").SetValue(null, (object)(ConnectionStatus)3);
		}

		private static void DisconnectClient(ZRpc rpc)
		{
			rpc.Invoke("Error", new object[1] { 3 });
		}

		private static void CheckVersion(ZRpc rpc, ZPackage pkg)
		{
			CheckVersion(rpc, pkg, null);
		}

		private static void CheckVersion(ZRpc rpc, ZPackage pkg, Action<ZRpc, ZPackage>? original)
		{
			string text = pkg.ReadString();
			string text2 = pkg.ReadString();
			string text3 = pkg.ReadString();
			bool flag = false;
			foreach (VersionCheck versionCheck in versionChecks)
			{
				if (!(text != versionCheck.Name))
				{
					Debug.Log((object)("Received " + versionCheck.DisplayName + " version " + text3 + " and minimum version " + text2 + " from the " + (ZNet.instance.IsServer() ? "client" : "server") + "."));
					versionCheck.ReceivedMinimumRequiredVersion = text2;
					versionCheck.ReceivedCurrentVersion = text3;
					if (ZNet.instance.IsServer() && versionCheck.IsVersionOk())
					{
						versionCheck.ValidatedClients.Add(rpc);
					}
					flag = true;
				}
			}
			if (flag)
			{
				return;
			}
			pkg.SetPos(0);
			if (original != null)
			{
				original(rpc, pkg);
				if (pkg.GetPos() == 0)
				{
					notProcessedNames.Add(text, text3);
				}
			}
		}

		[HarmonyPatch(typeof(ZNet), "RPC_PeerInfo")]
		[HarmonyPrefix]
		private static bool RPC_PeerInfo(ZRpc rpc, ZNet __instance)
		{
			VersionCheck[] array = (__instance.IsServer() ? GetFailedServer(rpc) : GetFailedClient());
			if (array.Length == 0)
			{
				return true;
			}
			VersionCheck[] array2 = array;
			for (int i = 0; i < array2.Length; i++)
			{
				Debug.LogWarning((object)array2[i].Error(rpc));
			}
			if (__instance.IsServer())
			{
				DisconnectClient(rpc);
			}
			else
			{
				Logout();
			}
			return false;
		}

		[HarmonyPatch(typeof(ZNet), "OnNewConnection")]
		[HarmonyPrefix]
		private static void RegisterAndCheckVersion(ZNetPeer peer, ZNet __instance)
		{
			//IL_0172: Unknown result type (might be due to invalid IL or missing references)
			//IL_0179: Expected O, but got Unknown
			notProcessedNames.Clear();
			IDictionary dictionary = (IDictionary)typeof(ZRpc).GetField("m_functions", BindingFlags.Instance | BindingFlags.NonPublic).GetValue(peer.m_rpc);
			if (dictionary.Contains(StringExtensionMethods.GetStableHashCode("ServerSync VersionCheck")))
			{
				object obj = dictionary[StringExtensionMethods.GetStableHashCode("ServerSync VersionCheck")];
				Action<ZRpc, ZPackage> action = (Action<ZRpc, ZPackage>)obj.GetType().GetField("m_action", BindingFlags.Instance | BindingFlags.NonPublic).GetValue(obj);
				peer.m_rpc.Register<ZPackage>("ServerSync VersionCheck", (Action<ZRpc, ZPackage>)delegate(ZRpc rpc, ZPackage pkg)
				{
					CheckVersion(rpc, pkg, action);
				});
			}
			else
			{
				peer.m_rpc.Register<ZPackage>("ServerSync VersionCheck", (Action<ZRpc, ZPackage>)CheckVersion);
			}
			foreach (VersionCheck versionCheck in versionChecks)
			{
				versionCheck.Initialize();
				if (versionCheck.ModRequired || __instance.IsServer())
				{
					Debug.Log((object)("Sending " + versionCheck.DisplayName + " version " + versionCheck.CurrentVersion + " and minimum version " + versionCheck.MinimumRequiredVersion + " to the " + (__instance.IsServer() ? "client" : "server") + "."));
					ZPackage val = new ZPackage();
					val.Write(versionCheck.Name);
					val.Write(versionCheck.MinimumRequiredVersion);
					val.Write(versionCheck.CurrentVersion);
					peer.m_rpc.Invoke("ServerSync VersionCheck", new object[1] { val });
				}
			}
		}

		[HarmonyPatch(typeof(ZNet), "Disconnect")]
		[HarmonyPrefix]
		private static void RemoveDisconnected(ZNetPeer peer, ZNet __instance)
		{
			if (!__instance.IsServer())
			{
				return;
			}
			foreach (VersionCheck versionCheck in versionChecks)
			{
				versionCheck.ValidatedClients.Remove(peer.m_rpc);
			}
		}

		[HarmonyPatch(typeof(FejdStartup), "ShowConnectError")]
		[HarmonyPostfix]
		private static void ShowConnectionError(FejdStartup __instance)
		{
			//IL_000d: Unknown result type (might be due to invalid IL or missing references)
			//IL_0013: Invalid comparison between Unknown and I4
			//IL_014e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0153: Unknown result type (might be due to invalid IL or missing references)
			//IL_0161: Unknown result type (might be due to invalid IL or missing references)
			//IL_01a4: Unknown result type (might be due to invalid IL or missing references)
			//IL_01b0: Unknown result type (might be due to invalid IL or missing references)
			//IL_01be: Unknown result type (might be due to invalid IL or missing references)
			//IL_01d0: Unknown result type (might be due to invalid IL or missing references)
			//IL_01de: Unknown result type (might be due to invalid IL or missing references)
			//IL_01e3: Unknown result type (might be due to invalid IL or missing references)
			//IL_01ee: Unknown result type (might be due to invalid IL or missing references)
			if (!__instance.m_connectionFailedPanel.activeSelf || (int)ZNet.GetConnectionStatus() != 3)
			{
				return;
			}
			bool flag = false;
			VersionCheck[] failedClient = GetFailedClient();
			if (failedClient.Length != 0)
			{
				string text = string.Join("\n", failedClient.Select((VersionCheck check) => check.Error()));
				TMP_Text connectionFailedError = __instance.m_connectionFailedError;
				connectionFailedError.text = connectionFailedError.text + "\n" + text;
				flag = true;
			}
			foreach (KeyValuePair<string, string> item in notProcessedNames.OrderBy<KeyValuePair<string, string>, string>((KeyValuePair<string, string> kv) => kv.Key))
			{
				if (!__instance.m_connectionFailedError.text.Contains(item.Key))
				{
					TMP_Text connectionFailedError2 = __instance.m_connectionFailedError;
					connectionFailedError2.text = connectionFailedError2.text + "\nServer expects you to have " + item.Key + " (Version: " + item.Value + ") installed.";
					flag = true;
				}
			}
			if (flag)
			{
				RectTransform component = ((Component)__instance.m_connectionFailedPanel.transform.Find("Image")).GetComponent<RectTransform>();
				Vector2 sizeDelta = component.sizeDelta;
				sizeDelta.x = 675f;
				component.sizeDelta = sizeDelta;
				__instance.m_connectionFailedError.ForceMeshUpdate(false, false);
				float num = __instance.m_connectionFailedError.renderedHeight + 105f;
				RectTransform component2 = ((Component)((Component)component).transform.Find("ButtonOk")).GetComponent<RectTransform>();
				component2.anchoredPosition = new Vector2(component2.anchoredPosition.x, component2.anchoredPosition.y - (num - component.sizeDelta.y) / 2f);
				sizeDelta = component.sizeDelta;
				sizeDelta.y = num;
				component.sizeDelta = sizeDelta;
			}
		}
	}
}
namespace ValheimTune
{
	public static class AssetUnload
	{
		public enum Decision
		{
			Run,
			Defer
		}

		public static Decision Decide(int peers, double deferredFor, double maxDeferSecs)
		{
			if (peers <= 0)
			{
				return Decision.Run;
			}
			if (deferredFor >= maxDeferSecs)
			{
				return Decision.Run;
			}
			return Decision.Defer;
		}
	}
	public static class Cfg
	{
		public static ConfigEntry<int> LogIntervalSeconds;

		public static ConfigEntry<int> SendWindowBytes;

		public static ConfigEntry<int> MaxPacketsPerPeerPerFrame;

		public static ConfigEntry<bool> FloatingDropsRun;

		public static ConfigEntry<bool> FloatingDropsDelete;

		public static ConfigEntry<bool> DirtySets;

		public static ConfigEntry<float> ReconcileSeconds;

		public static ConfigEntry<int> RelayMinIntervalMs;

		public static ConfigEntry<string> KnownGoodBuilds;

		public static ConfigEntry<bool> DisableOnUnknownBuild;

		public static ConfigEntry<bool> TopKSort;

		public static ConfigEntry<int> TopK;

		public static ConfigEntry<bool> ServerSkipRenderMesh;

		public static ConfigEntry<bool> DeferAssetUnload;

		public static ConfigEntry<int> AssetUnloadMaxDeferMinutes;

		public static void Bind(ConfigFile c)
		{
			//IL_0045: Unknown result type (might be due to invalid IL or missing references)
			//IL_004f: Expected O, but got Unknown
			//IL_01d5: Unknown result type (might be due to invalid IL or missing references)
			//IL_01df: Expected O, but got Unknown
			//IL_0205: Unknown result type (might be due to invalid IL or missing references)
			//IL_020f: Expected O, but got Unknown
			LogIntervalSeconds = c.Bind<int>("Measure", "LogIntervalSeconds", 10, "How often to print the stats line. 0 disables.");
			SendWindowBytes = c.Bind<int>("Sync", "SendWindowBytes", 10240, new ConfigDescription("Per-peer bytes in flight before the server stops queueing ZDO data. Vanilla 10240. Try 32768. Also sizes each iteration of the disconnect flush.", (AcceptableValueBase)(object)new AcceptableValueRange<int>(4096, 1048576), Array.Empty<object>()));
			MaxPacketsPerPeerPerFrame = c.Bind<int>("Receive", "MaxPacketsPerPeerPerFrame", 0, "Stop draining one peer's socket after this many packets in a frame; the rest wait in Steam's queue. 0 = vanilla (unlimited). Try 64.");
			FloatingDropsRun = c.Bind<bool>("Cleanup", "FloatingDropsRun", false, "One-shot trigger: set true to scan for item drops floating in water. The plugin runs it on the next config reload and sets this back to false. Measured ~50 ms of main-thread stall on a 698k-ZDO world (one 67 ms frame, 2026-09-07).");
			FloatingDropsDelete = c.Bind<bool>("Cleanup", "FloatingDropsDelete", false, "When a scan runs with this true, the found items are DELETED (server takes ownership and destroys them; clients see them vanish). Leave false for a dry run that only logs counts.");
			DirtySets = c.Bind<bool>("Sync", "DirtySets", true, "B1: only consider changed ZDOs each round instead of rescanning the whole active area. Full scan on join, zone change, and every ReconcileSeconds.");
			ReconcileSeconds = c.Bind<float>("Sync", "ReconcileSeconds", 30f, "Safety-net full scan interval per peer when DirtySets is on.");
			RelayMinIntervalMs = c.Bind<int>("Sync", "RelayMinIntervalMs", 0, "Do not re-send a non-prioritized object (fish, items, pieces) to the same peer more often than this, in ms. 0 = vanilla. 200 = 5 Hz; fish and drifting items are the bulk of idle traffic at a big base.");
			KnownGoodBuilds = c.Bind<string>("Compat", "KnownGoodBuilds", "1.0.7,1.0.12", "Game versions (Version.CurrentVersion) this build was verified against. Comma-separated. The shipped 0.1.8 defaults include Valheim 1.0.12/network 40.");
			if (KnownGoodBuilds.Value.Trim() == "1.0.7")
			{
				KnownGoodBuilds.Value = "1.0.7,1.0.12";
			}
			DisableOnUnknownBuild = c.Bind<bool>("Compat", "DisableOnUnknownBuild", true, "If runtime structural validation fails, keep the plugin loaded but disable optional Harmony/runtime features so the game remains vanilla. KnownGoodBuilds records explicitly verified versions; structurally compatible hotfixes may run automatically.");
			TopKSort = c.Bind<bool>("Sync", "TopKSort", true, "B2: bounded-heap selection of the objects that fit the send window instead of a full sort of every candidate. Only matters during joins, zone changes and the reconcile scan.");
			ServerSkipRenderMesh = c.Bind<bool>("Server", "SkipRenderMesh", false, "B4a: skip Heightmap.RebuildRenderMesh on a dedicated server. The render mesh is rebuilt for every ghost zone a player explores and every terrain edit that loads with one, and never drawn on a -nographics process. Collision mesh untouched. Watch meshSkips on the stats line.");
			DeferAssetUnload = c.Bind<bool>("Server", "DeferAssetUnload", false, "G1: hold the hourly Resources.UnloadUnusedAssets() until no players are connected. Vanilla runs it every hour regardless (Game.cs:239); measured 443-607 ms of main-thread stall on a 698k-ZDO world, landing with players online. Deferred, not skipped: it still runs the moment the server empties, or after AssetUnloadMaxDeferMinutes whichever comes first.");
			AssetUnloadMaxDeferMinutes = c.Bind<int>("Server", "AssetUnloadMaxDeferMinutes", 240, new ConfigDescription("Backstop for DeferAssetUnload: run the collection even with players online once it has been held this long. Stops a server that never empties from never collecting.", (AcceptableValueBase)(object)new AcceptableValueRange<int>(10, 1440), Array.Empty<object>()));
			TopK = c.Bind<int>("Sync", "TopK", 0, new ConfigDescription("How many candidates to order per round. 0 = SendWindowBytes / 64 (512 at 32 KB), never below 64.", (AcceptableValueBase)(object)new AcceptableValueRange<int>(0, 8192), Array.Empty<object>()));
		}
	}
	public sealed class ChurnTally
	{
		private readonly Dictionary<int, int> _counts = new Dictionary<int, int>();

		public int Total { get; private set; }

		public void Add(int key)
		{
			_counts.TryGetValue(key, out var value);
			_counts[key] = value + 1;
			Total++;
		}

		public List<KeyValuePair<int, int>> Top(int n)
		{
			return _counts.OrderByDescending((KeyValuePair<int, int> kv) => kv.Value).Take(n).ToList();
		}

		public void Reset()
		{
			_counts.Clear();
			Total = 0;
		}
	}
	public static class Compat
	{
		public static bool ReplacementsAllowed = true;

		public static string GameVersion = "?";

		public static string NetworkVersion = "?";

		public static string ValidationSummary = "not-run";

		public static bool IsKnown(string version, string knownList)
		{
			if (string.IsNullOrEmpty(knownList))
			{
				return false;
			}
			return knownList.Split(new char[1] { ',' }).Any((string s) => s.Trim() == version);
		}
	}
	public sealed class DirtyPeerState<TId>
	{
		private (int x, int y) _lastZone = (x: int.MinValue, y: int.MinValue);

		private float _lastFullScan = float.NegativeInfinity;

		private bool _wasActive;

		private readonly List<TId> _prune = new List<TId>();

		public HashSet<TId> Pending { get; } = new HashSet<TId>();

		public int FullScans { get; private set; }

		public bool NeedsFullScan((int x, int y) zone, float now, float reconcileSeconds, bool active)
		{
			int num;
			if (_wasActive)
			{
				(int, int) tuple = zone;
				(int, int) lastZone = _lastZone;
				if (tuple.Item1 == lastZone.Item1 && tuple.Item2 == lastZone.Item2)
				{
					num = ((now - _lastFullScan > reconcileSeconds) ? 1 : 0);
					goto IL_003b;
				}
			}
			num = 1;
			goto IL_003b;
			IL_003b:
			_wasActive = active;
			if (num != 0)
			{
				_lastZone = zone;
				_lastFullScan = now;
				FullScans++;
			}
			return (byte)num != 0;
		}

		public void Drain(List<TId> into, Func<TId, bool> exists, Func<TId, bool> inArea, Func<TId, bool> shouldSend, Func<TId, bool> deferSend = null, Action<TId> onInvalid = null)
		{
			_prune.Clear();
			foreach (TId item in Pending)
			{
				if (!exists(item))
				{
					_prune.Add(item);
					onInvalid?.Invoke(item);
				}
				else if (!inArea(item))
				{
					_prune.Add(item);
					onInvalid?.Invoke(item);
				}
				else if (!shouldSend(item))
				{
					_prune.Add(item);
				}
				else if (deferSend == null || !deferSend(item))
				{
					into.Add(item);
				}
			}
			foreach (TId item2 in _prune)
			{
				Pending.Remove(item2);
			}
		}
	}
	public static class FloatingDrops
	{
		private static readonly Dictionary<int, bool> s_isCandidate = new Dictionary<int, bool>();

		private static bool IsFloatingCandidate(int hash)
		{
			if (s_isCandidate.TryGetValue(hash, out var value))
			{
				return value;
			}
			GameObject val = (((Object)(object)ZNetScene.instance != (Object)null) ? ZNetScene.instance.GetPrefab(hash) : null);
			value = (Object)(object)val != (Object)null && ((Object)(object)val.GetComponent<ItemDrop>() != (Object)null || (Object)(object)val.GetComponent<TreeLog>() != (Object)null) && (Object)(object)val.GetComponent<Fish>() == (Object)null;
			s_isCandidate[hash] = value;
			return value;
		}

		public static (int found, int deleted) Run(bool delete, ManualLogSource log)
		{
			//IL_0092: Unknown result type (might be due to invalid IL or missing references)
			//IL_0097: Unknown result type (might be due to invalid IL or missing references)
			//IL_0099: Unknown result type (might be due to invalid IL or missing references)
			//IL_00b1: Unknown result type (might be due to invalid IL or missing references)
			//IL_00b8: Unknown result type (might be due to invalid IL or missing references)
			//IL_00ca: Unknown result type (might be due to invalid IL or missing references)
			//IL_0124: Unknown result type (might be due to invalid IL or missing references)
			//IL_0269: Unknown result type (might be due to invalid IL or missing references)
			//IL_0282: Unknown result type (might be due to invalid IL or missing references)
			//IL_029b: Unknown result type (might be due to invalid IL or missing references)
			//IL_02f5: Unknown result type (might be due to invalid IL or missing references)
			//IL_02fa: Unknown result type (might be due to invalid IL or missing references)
			//IL_02fd: Unknown result type (might be due to invalid IL or missing references)
			ZDOMan instance = ZDOMan.instance;
			if (instance == null || (Object)(object)ZNetScene.instance == (Object)null || (Object)(object)ZoneSystem.instance == (Object)null || WorldGenerator.instance == null)
			{
				log.LogWarning((object)"[ValheimTune] floating drops: world not ready");
				return (found: 0, deleted: 0);
			}
			float waterLevel = ZoneSystem.instance.m_waterLevel;
			List<ZDOID> list = new List<ZDOID>();
			ChurnTally churnTally = new ChurnTally();
			List<(string, Vector3)> list2 = new List<(string, Vector3)>();
			foreach (KeyValuePair<ZDOID, ZDO> item in instance.m_objectsByID)
			{
				ZDO value = item.Value;
				if (!IsFloatingCandidate(value.GetPrefab()))
				{
					continue;
				}
				Vector3 position = value.GetPosition();
				if (!(position.y > waterLevel + 0.25f) && !(WorldGenerator.instance.GetHeight(position.x, position.z) >= waterLevel))
				{
					list.Add(item.Key);
					churnTally.Add(value.GetPrefab());
					if (list2.Count < 10)
					{
						GameObject prefab = ZNetScene.instance.GetPrefab(value.GetPrefab());
						list2.Add((((Object)(object)prefab != (Object)null) ? ((Object)prefab).name : value.GetPrefab().ToString(), position));
					}
				}
			}
			StringBuilder stringBuilder = new StringBuilder();
			stringBuilder.Append("[ValheimTune] floating drops: ").Append(list.Count).Append(delete ? " found, deleting:" : " found (dry run):");
			foreach (KeyValuePair<int, int> item2 in churnTally.Top(10))
			{
				GameObject prefab2 = ZNetScene.instance.GetPrefab(item2.Key);
				stringBuilder.Append(' ').Append(((Object)(object)prefab2 != (Object)null) ? ((Object)prefab2).name : item2.Key.ToString()).Append('=')
					.Append(item2.Value);
			}
			log.LogInfo((object)stringBuilder.ToString());
			if (list2.Count > 0)
			{
				StringBuilder stringBuilder2 = new StringBuilder("[ValheimTune] floating drops sample:");
				foreach (var item3 in list2)
				{
					stringBuilder2.Append(' ').Append(item3.Item1).Append('@')
						.Append('(')
						.Append((int)item3.Item2.x)
						.Append(',')
						.Append((int)item3.Item2.y)
						.Append(',')
						.Append((int)item3.Item2.z)
						.Append(')');
				}
				log.LogInfo((object)stringBuilder2.ToString());
			}
			int num = 0;
			if (delete)
			{
				long sessionID = ZDOMan.GetSessionID();
				foreach (ZDOID item4 in list)
				{
					ZDO zDO = instance.GetZDO(item4);
					if (zDO != null)
					{
						zDO.SetOwner(sessionID);
						instance.DestroyZDO(zDO);
						num++;
					}
				}
				log.LogInfo((object)$"[ValheimTune] floating drops: {num} queued for destruction");
			}
			return (found: list.Count, deleted: num);
		}
	}
	public sealed class RollingStats
	{
		private double _sum;

		public int Count { get; private set; }

		public double Max { get; private set; }

		public double Avg
		{
			get
			{
				if (Count != 0)
				{
					return _sum / (double)Count;
				}
				return 0.0;
			}
		}

		public void Add(double v)
		{
			_sum += v;
			Count++;
			if (v > Max)
			{
				Max = v;
			}
		}

		public void Reset()
		{
			_sum = 0.0;
			Count = 0;
			Max = 0.0;
		}
	}
	internal static class TargetPortalCompat
	{
		internal const string PluginGuid = "org.bepinex.plugins.targetportal";

		internal static bool IsLoaded { get; private set; }

		internal static void Refresh(ManualLogSource log)
		{
			bool flag = false;
			try
			{
				foreach (KeyValuePair<string, PluginInfo> pluginInfo in Chainloader.PluginInfos)
				{
					if (pluginInfo.Key != null && pluginInfo.Key.Equals("org.bepinex.plugins.targetportal", StringComparison.OrdinalIgnoreCase))
					{
						flag = true;
						break;
					}
				}
			}
			catch (Exception ex)
			{
				if (log != null)
				{
					log.LogWarning((object)("[TargetPortal] could not inspect loaded plugins: " + ex.Message));
				}
			}
			IsLoaded = flag;
			if (flag && log != null)
			{
				log.LogInfo((object)"[TargetPortal] detected; using vanilla ZDO sync-list handling for portal compatibility");
			}
		}
	}
	public static class TopK
	{
		private static class Buf<T>
		{
			public static T[] Items;
		}

		private static double[] s_rank;

		private static int[] s_heap;

		private static bool[] s_taken;

		public static void Select<T>(List<T> items, Func<T, double> rank, int k)
		{
			int count = items.Count;
			if (count == 0 || k <= 0)
			{
				return;
			}
			if (k > count)
			{
				k = count;
			}
			if (s_rank == null || s_rank.Length < count)
			{
				s_rank = new double[count];
				s_heap = new int[count];
				s_taken = new bool[count];
			}
			if (Buf<T>.Items == null || Buf<T>.Items.Length < count)
			{
				Buf<T>.Items = new T[count];
			}
			double[] array = s_rank;
			int[] array2 = s_heap;
			bool[] array3 = s_taken;
			T[] items2 = Buf<T>.Items;
			for (int i = 0; i < count; i++)
			{
				items2[i] = items[i];
				array[i] = rank(items[i]);
				array3[i] = false;
			}
			int num = 0;
			for (int j = 0; j < count; j++)
			{
				if (num < k)
				{
					array2[num] = j;
					num++;
					SiftUp(array2, array, num - 1);
				}
				else if (array[j] < array[array2[0]])
				{
					array2[0] = j;
					SiftDown(array2, array, 0, num);
				}
			}
			int num2 = num;
			for (int num3 = num2 - 1; num3 >= 0; num3--)
			{
				int num4 = array2[0];
				array3[num4] = true;
				items[num3] = items2[num4];
				num--;
				array2[0] = array2[num];
				SiftDown(array2, array, 0, num);
			}
			int num5 = num2;
			for (int l = 0; l < count; l++)
			{
				if (!array3[l])
				{
					items[num5++] = items2[l];
				}
			}
		}

		private static void SiftUp(int[] heap, double[] rankArr, int i)
		{
			while (i > 0)
			{
				int num = (i - 1) / 2;
				if (!(rankArr[heap[num]] >= rankArr[heap[i]]))
				{
					ref int reference = ref heap[num];
					ref int reference2 = ref heap[i];
					int num2 = heap[i];
					int num3 = heap[num];
					reference = num2;
					reference2 = num3;
					i = num;
					continue;
				}
				break;
			}
		}

		private static void SiftDown(int[] heap, double[] rankArr, int i, int count)
		{
			while (true)
			{
				int num = 2 * i + 1;
				int num2 = 2 * i + 2;
				int num3 = i;
				if (num < count && rankArr[heap[num]] > rankArr[heap[num3]])
				{
					num3 = num;
				}
				if (num2 < count && rankArr[heap[num2]] > rankArr[heap[num3]])
				{
					num3 = num2;
				}
				if (num3 != i)
				{
					ref int reference = ref heap[i];
					ref int reference2 = ref heap[num3];
					int num4 = heap[num3];
					int num5 = heap[i];
					reference = num4;
					reference2 = num5;
					i = num3;
					continue;
				}
				break;
			}
		}
	}
}
namespace ValheimTune.Patches
{
	[HarmonyPatch(typeof(Game), "CollectResources")]
	public static class AssetUnloadPatch
	{
		private static float s_deferredSince = -1f;

		public static bool Pending => s_deferredSince >= 0f;

		[HarmonyPrefix]
		private static bool Prefix()
		{
			if (!Compat.ReplacementsAllowed || !Cfg.DeferAssetUnload.Value)
			{
				return true;
			}
			if ((Object)(object)ZNet.instance == (Object)null || !ZNet.instance.IsDedicated())
			{
				return true;
			}
			int peerConnections = ZNet.instance.GetPeerConnections();
			float realtimeSinceStartup = Time.realtimeSinceStartup;
			double num = ((s_deferredSince < 0f) ? 0.0 : ((double)(realtimeSinceStartup - s_deferredSince)));
			double maxDeferSecs = (double)Cfg.AssetUnloadMaxDeferMinutes.Value * 60.0;
			if (AssetUnload.Decide(peerConnections, num, maxDeferSecs) == AssetUnload.Decision.Defer)
			{
				if (s_deferredSince < 0f)
				{
					s_deferredSince = realtimeSinceStartup;
					SmoothServerPlugin.Log.LogInfo((object)$"[ValheimTune] asset unload deferred: {peerConnections} player(s) online, will run when the server empties (backstop {Cfg.AssetUnloadMaxDeferMinutes.Value} min)");
				}
				return false;
			}
			if (s_deferredSince >= 0f)
			{
				SmoothServerPlugin.Log.LogInfo((object)$"[ValheimTune] asset unload running after {num:F0} s deferred ({peerConnections} player(s) online)");
				s_deferredSince = -1f;
			}
			return true;
		}

		public static void RunIfDue()
		{
			if (!Pending || !Cfg.DeferAssetUnload.Value)
			{
				return;
			}
			ZNet instance = ZNet.instance;
			if ((Object)(object)instance == (Object)null)
			{
				return;
			}
			double deferredFor = Time.realtimeSinceStartup - s_deferredSince;
			if (AssetUnload.Decide(instance.GetPeerConnections(), deferredFor, (double)Cfg.AssetUnloadMaxDeferMinutes.Value * 60.0) == AssetUnload.Decision.Run)
			{
				Game instance2 = Game.instance;
				if (instance2 != null)
				{
					instance2.CollectResources(false);
				}
			}
		}
	}
	[HarmonyPatch]
	public static class DirtyPatches
	{
		public static long MarksData;

		public static long MarksOwner;

		public static int FullScans;

		public static int DirtyRounds;

		public static int Deferred;

		public static int LastDrained;

		public static bool Disabled;

		public static long WatchdogMarks;

		public static long WatchdogRecv;

		private static readonly ConditionalWeakTable<ZDOPeer, DirtyPeerState<ZDOID>> s_state = new ConditionalWeakTable<ZDOPeer, DirtyPeerState<ZDOID>>();

		private static readonly List<ZDOID> s_ids = new List<ZDOID>(256);

		private static int s_relayMinMs;

		public static long Marks => MarksData + MarksOwner;

		private static bool Active
		{
			get
			{
				if (Compat.ReplacementsAllowed && Cfg.DirtySets.Value && !TargetPortalCompat.IsLoaded && !Disabled && (Object)(object)ZNet.instance != (Object)null)
				{
					return ZNet.instance.IsServer();
				}
				return false;
			}
		}

		public static int ZoneChebyshev(int ax, int ay, int bx, int by)
		{
			int num = ax - bx;
			if (num < 0)
			{
				num = -num;
			}
			int num2 = ay - by;
			if (num2 < 0)
			{
				num2 = -num2;
			}
			if (num <= num2)
			{
				return num2;
			}
			return num;
		}

		internal static bool InNear(Vector2s centre, Vector2s candidate, SimulationDistance sd)
		{
			//IL_0000: Unknown result type (might be due to invalid IL or missing references)
			//IL_0006: Unknown result type (might be due to invalid IL or missing references)
			//IL_000c: Unknown result type (might be due to invalid IL or missing references)
			//IL_0012: Unknown result type (might be due to invalid IL or missing references)
			//IL_0036: Unknown result type (might be due to invalid IL or missing references)
			//IL_0037: Unknown result type (might be due to invalid IL or missing references)
			if (ZoneChebyshev(centre.x, centre.y, candidate.x, candidate.y) > ((SimulationDistance)(ref sd)).NearSimulationDistance)
			{
				return false;
			}
			if (!((SimulationDistance)(ref sd)).IsClassic)
			{
				return ZoneSystem.instance.ZonesWithinRadius(centre, candidate, ((SimulationDistance)(ref sd)).NearSimulationDistance, false);
			}
			return true;
		}

		internal static bool InDistant(Vector2s centre, Vector2s candidate, SimulationDistance sd)
		{
			//IL_0000: Unknown result type (might be due to invalid IL or missing references)
			//IL_0006: Unknown result type (might be due to invalid IL or missing references)
			//IL_000c: Unknown result type (might be due to invalid IL or missing references)
			//IL_0012: Unknown result type (might be due to invalid IL or missing references)
			//IL_0036: Unknown result type (might be due to invalid IL or missing references)
			//IL_0037: Unknown result type (might be due to invalid IL or missing references)
			if (ZoneChebyshev(centre.x, centre.y, candidate.x, candidate.y) > ((SimulationDistance)(ref sd)).TotalSimulationDistance)
			{
				return false;
			}
			if (!((SimulationDistance)(ref sd)).IsClassic)
			{
				return ZoneSystem.instance.ZonesWithinRadius(centre, candidate, ((SimulationDistance)(ref sd)).TotalSimulationDistance, true);
			}
			return true;
		}

		public static DirtyPeerState<ZDOID> StateFor(ZDOPeer peer)
		{
			return s_state.GetValue(peer, (ZDOPeer _) => new DirtyPeerState<ZDOID>());
		}

		[HarmonyPatch(/*Could not decode attribute arguments.*/)]
		[HarmonyPostfix]
		private static void DataRevisionSet(ZDO __instance)
		{
			//IL_0001: Unknown result type (might be due to invalid IL or missing references)
			Mark(__instance.m_uid, isOwner: false);
		}

		[HarmonyPatch(/*Could not decode attribute arguments.*/)]
		[HarmonyPostfix]
		private static void OwnerRevisionSet(ZDO __instance)
		{
			//IL_0001: Unknown result type (might be due to invalid IL or missing references)
			Mark(__instance.m_uid, isOwner: true);
		}

		private static void Mark(ZDOID id, bool isOwner)
		{
			//IL_0000: Unknown result type (might be due to invalid IL or missing references)
			//IL_0001: Unknown result type (might be due to invalid IL or missing references)
			//IL_0068: Unknown result type (might be due to invalid IL or missing references)
			if (id == ZDOID.None)
			{
				return;
			}
			if (isOwner)
			{
				MarksOwner++;
			}
			else
			{
				MarksData++;
				WatchdogMarks++;
			}
			if (!Active)
			{
				return;
			}
			ZDOMan instance = ZDOMan.instance;
			if (instance != null)
			{
				List<ZDOPeer> peers = instance.m_peers;
				for (int i = 0; i < peers.Count; i++)
				{
					StateFor(peers[i]).Pending.Add(id);
				}
			}
		}

		public static void ResetCounters()
		{
			MarksData = 0L;
			MarksOwner = 0L;
			FullScans = 0;
			DirtyRounds = 0;
			Deferred = 0;
			LastDrained = 0;
		}

		public static bool WatchdogShouldTrip(bool dirtySetsOn, bool disabled, bool recvSeen, long marksInWindow)
		{
			if (dirtySetsOn && !disabled && recvSeen)
			{
				return marksInWindow == 0;
			}
			return false;
		}

		public static bool WatchdogShouldRearm(bool disabled, long marksInWindow)
		{
			if (disabled)
			{
				return marksInWindow > 0;
			}
			return false;
		}

		[HarmonyPatch(typeof(ZDOMan), "CreateSyncList")]
		[HarmonyPrefix]
		private static bool CreateSyncListPrefix(ZDOMan __instance, ZDOPeer peer, List<ZDO> toSync, out bool __state)
		{
			//IL_0018: Unknown result type (might be due to invalid IL or missing references)
			//IL_001d: Unknown result type (might be due to invalid IL or missing references)
			//IL_003a: Unknown result type (might be due to invalid IL or missing references)
			//IL_003f: Unknown result type (might be due to invalid IL or missing references)
			//IL_0041: Unknown result type (might be due to invalid IL or missing references)
			//IL_0042: Unknown result type (might be due to invalid IL or missing references)
			//IL_0047: Unknown result type (might be due to invalid IL or missing references)
			//IL_00bd: Unknown result type (might be due to invalid IL or missing references)
			//IL_00c2: Unknown result type (might be due to invalid IL or missing references)
			//IL_014b: Unknown result type (might be due to invalid IL or missing references)
			//IL_0158: Unknown result type (might be due to invalid IL or missing references)
			//IL_015f: Unknown result type (might be due to invalid IL or missing references)
			//IL_0165: Unknown result type (might be due to invalid IL or missing references)
			//IL_01f4: Unknown result type (might be due to invalid IL or missing references)
			//IL_01ab: Unknown result type (might be due to invalid IL or missing references)
			//IL_01b8: Unknown result type (might be due to invalid IL or missing references)
			//IL_01bf: Unknown result type (might be due to invalid IL or missing references)
			//IL_01c5: Unknown result type (might be due to invalid IL or missing references)
			__state = false;
			ZDOID lastId = ZDOID.None;
			ZDO lastZdo = null;
			bool active = Active;
			Vector3 refPos = peer.m_peer.GetRefPos();
			Vector2s zone = ZoneSystem.GetZone(refPos);
			DirtyPeerState<ZDOID> dirtyPeerState = StateFor(peer);
			bool flag = dirtyPeerState.NeedsFullScan((x: zone.x, y: zone.y), Time.time, Cfg.ReconcileSeconds.Value, active);
			if (!active)
			{
				return true;
			}
			if (flag)
			{
				FullScans++;
				__state = true;
				return true;
			}
			DirtyRounds++;
			SimulationDistance sd = peer.m_peer.m_simulationDistance;
			s_relayMinMs = Cfg.RelayMinIntervalMs.Value;
			s_ids.Clear();
			dirtyPeerState.Drain(s_ids, (ZDOID id) => Z(id) != null, delegate(ZDOID id)
			{
				//IL_0001: Unknown result type (might be due to invalid IL or missing references)
				//IL_0009: Unknown result type (might be due to invalid IL or missing references)
				//IL_000e: Unknown result type (might be due to invalid IL or missing references)
				//IL_0010: Unknown result type (might be due to invalid IL or missing references)
				//IL_0015: Unknown result type (might be due to invalid IL or missing references)
				//IL_0017: Unknown result type (might be due to invalid IL or missing references)
				//IL_002c: Unknown result type (might be due to invalid IL or missing references)
				//IL_0031: Unknown result type (might be due to invalid IL or missing references)
				//IL_0033: Unknown result type (might be due to invalid IL or missing references)
				ZDO val = Z(id);
				Vector2s sector = val.GetSector();
				return InNear(zone, sector, sd) || (val.Distant && InDistant(zone, sector, sd));
			}, (ZDOID id) => peer.ShouldSend(Z(id)), (ZDOID id) => RelayThrottled(peer, Z(id)), delegate(ZDOID id)
			{
				//IL_000b: Unknown result type (might be due to invalid IL or missing references)
				//IL_001f: Unknown result type (might be due to invalid IL or missing references)
				//IL_0032: Unknown result type (might be due to invalid IL or missing references)
				if (peer.m_zdos.ContainsKey(id) && !peer.m_invalidSector.Contains(id))
				{
					peer.m_invalidSector.Add(id);
				}
			});
			LastDrained = s_ids.Count;
			int num = 0;
			for (int num2 = 0; num2 < s_ids.Count; num2++)
			{
				ZDO zDO = __instance.GetZDO(s_ids[num2]);
				if (InNear(zone, zDO.GetSector(), sd))
				{
					toSync.Add(zDO);
					num++;
				}
			}
			if (num < 10)
			{
				for (int num3 = 0; num3 < s_ids.Count; num3++)
				{
					ZDO zDO2 = __instance.GetZDO(s_ids[num3]);
					if (!InNear(zone, zDO2.GetSector(), sd))
					{
						toSync.Add(zDO2);
					}
				}
			}
			__instance.ServerSortSendZDOS(toSync, refPos, peer);
			__instance.AddForceSendZdos(peer, toSync);
			return false;
			ZDO Z(ZDOID id)
			{
				//IL_0000: Unknown result type (might be due to invalid IL or missing references)
				//IL_0002: Unknown result type (might be due to invalid IL or missing references)
				//IL_0015: Unknown result type (might be due to invalid IL or missing references)
				//IL_0021: Unknown result type (might be due to invalid IL or missing references)
				//IL_0022: Unknown result type (might be due to invalid IL or missing references)
				if (id != lastId)
				{
					lastZdo = __instance.GetZDO(id);
					lastId = id;
				}
				return lastZdo;
			}
		}

		[HarmonyPatch(typeof(ZDOMan), "CreateSyncList")]
		[HarmonyPostfix]
		private static void CreateSyncListPostfix(ZDOPeer peer, List<ZDO> toSync, bool __state)
		{
			//IL_001c: Unknown result type (might be due to invalid IL or missing references)
			if (__state)
			{
				DirtyPeerState<ZDOID> dirtyPeerState = StateFor(peer);
				for (int i = 0; i < toSync.Count; i++)
				{
					dirtyPeerState.Pending.Add(toSync[i].m_uid);
				}
			}
		}

		private static bool RelayThrottled(ZDOPeer peer, ZDO z)
		{
			//IL_000d: Unknown result type (might be due to invalid IL or missing references)
			//IL_0013: Invalid comparison between Unknown and I4
			//IL_0033: Unknown result type (might be due to invalid IL or missing references)
			//IL_0048: Unknown result type (might be due to invalid IL or missing references)
			int num = s_relayMinMs;
			if (num <= 0)
			{
				return false;
			}
			if ((int)z.Type == 1)
			{
				return false;
			}
			if (z.GetOwner() == peer.m_peer.m_uid)
			{
				return false;
			}
			if (!peer.m_zdos.TryGetValue(z.m_uid, out var value))
			{
				return false;
			}
			bool num2 = (Time.time - value.m_syncTime) * 1000f < (float)num;
			if (num2)
			{
				Deferred++;
			}
			return num2;
		}
	}
	[HarmonyPatch]
	public static class MeasurePatches
	{
		public static readonly RollingStats FrameMs = new RollingStats();

		public static readonly RollingStats SyncListMs = new RollingStats();

		public static readonly RollingStats SendMs = new RollingStats();

		public static readonly ChurnTally Recv = new ChurnTally();

		public static int MaxZ;

		public static int Rounds;

		private static readonly Stopwatch s_sync = new Stopwatch();

		private static readonly Stopwatch s_send = new Stopwatch();

		private static readonly Dictionary<ZDOID, (int count, int prefab, Vector3 pos)> s_hot = new Dictionary<ZDOID, (int, int, Vector3)>();

		[HarmonyPatch(typeof(ZDOMan), "CreateSyncList")]
		[HarmonyPrefix]
		[HarmonyPriority(800)]
		private static void SyncListPrefix()
		{
			s_sync.Restart();
		}

		[HarmonyPatch(typeof(ZDOMan), "CreateSyncList")]
		[HarmonyPostfix]
		private static void SyncListPostfix(ZDOMan __instance)
		{
			SyncListMs.Add(s_sync.Elapsed.TotalMilliseconds);
			int count = __instance.m_tempSectorObjects.Count;
			if (count > MaxZ)
			{
				MaxZ = count;
			}
		}

		[HarmonyPatch(typeof(ZDOMan), "SendZDOs")]
		[HarmonyPrefix]
		[HarmonyPriority(800)]
		private static void SendPrefix()
		{
			s_send.Restart();
		}

		[HarmonyPatch(typeof(ZDOMan), "SendZDOs")]
		[HarmonyPostfix]
		private static void SendPostfix()
		{
			SendMs.Add(s_send.Elapsed.TotalMilliseconds);
			Rounds++;
		}

		[HarmonyPatch(typeof(ZDO), "Deserialize")]
		[HarmonyPostfix]
		private static void DeserializePostfix(ZDO __instance)
		{
			//IL_001e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0023: Unknown result type (might be due to invalid IL or missing references)
			//IL_0029: Unknown result type (might be due to invalid IL or missing references)
			//IL_0037: Unknown result type (might be due to invalid IL or missing references)
			//IL_0047: Unknown result type (might be due to invalid IL or missing references)
			Recv.Add(__instance.GetPrefab());
			DirtyPatches.WatchdogRecv++;
			ZDOID uid = __instance.m_uid;
			s_hot.TryGetValue(uid, out (int, int, Vector3) value);
			s_hot[uid] = (value.Item1 + 1, __instance.GetPrefab(), __instance.GetPosition());
		}

		public static List<KeyValuePair<ZDOID, (int count, int prefab, Vector3 pos)>> HotTop(int n)
		{
			return s_hot.OrderByDescending((KeyValuePair<ZDOID, (int count, int prefab, Vector3 pos)> x) => x.Value.count).Take(n).ToList();
		}

		public static void ResetAll()
		{
			FrameMs.Reset();
			SyncListMs.Reset();
			SendMs.Reset();
			MaxZ = 0;
			Rounds = 0;
			Recv.Reset();
			s_hot.Clear();
		}
	}
	[HarmonyPatch(typeof(ZRpc), "Update")]
	public static class ReceiveCapPatch
	{
		[HarmonyPrefix]
		private static bool Prefix(ZRpc __instance, float dt, ref ErrorCode __result)
		{
			if (__instance == null || __instance.m_socket == null)
			{
				__result = (ErrorCode)1;
				return false;
			}
			int value = Cfg.MaxPacketsPerPeerPerFrame.Value;
			if (!Compat.ReplacementsAllowed || value <= 0)
			{
				return true;
			}
			value = Math.Min(value, 4096);
			try
			{
				if (!__instance.m_socket.IsConnected())
				{
					__result = (ErrorCode)1;
					return false;
				}
				for (int i = 0; i < value; i++)
				{
					ZPackage val = __instance.m_socket.Recv();
					if (val == null)
					{
						break;
					}
					__instance.m_recvPackages++;
					__instance.m_recvData += val.Size();
					try
					{
						__instance.HandlePackage(val);
					}
					catch (EndOfStreamException ex)
					{
						ZLog.LogError((object)("EndOfStreamException in ZRpc::HandlePackage: Assume incompatible version: " + ex.Message));
						__result = (ErrorCode)2;
						return false;
					}
					catch (Exception ex2)
					{
						ZLog.Log((object)("Exception in ZRpc::HandlePackage: " + ex2));
					}
				}
				__instance.UpdatePing(dt);
				__result = (ErrorCode)0;
				return false;
			}
			catch (Exception ex3)
			{
				ZLog.LogError((object)("Exception in receive-cap path: " + ex3));
				__result = (ErrorCode)1;
				return false;
			}
		}
	}
	[HarmonyPatch(typeof(Heightmap), "RebuildRenderMesh")]
	public static class RenderMeshPatch
	{
		public static long Skipped;

		[HarmonyPrefix]
		private static bool Prefix()
		{
			if (!Compat.ReplacementsAllowed || !Cfg.ServerSkipRenderMesh.Value)
			{
				return true;
			}
			if ((Object)(object)ZNet.instance == (Object)null || !ZNet.instance.IsDedicated())
			{
				return true;
			}
			Skipped++;
			return false;
		}
	}
	[HarmonyPatch]
	public static class SortPatches
	{
		private static bool Active
		{
			get
			{
				if (Compat.ReplacementsAllowed && Cfg.TopKSort.Value && (Object)(object)ZNet.instance != (Object)null)
				{
					return ZNet.instance.IsServer();
				}
				return false;
			}
		}

		[HarmonyPatch(typeof(ZDOMan), "ServerSortSendZDOS")]
		[HarmonyPrefix]
		private static bool Prefix(List<ZDO> objects, Vector3 refPos, ZDOPeer peer)
		{
			//IL_0007: Unknown result type (might be due to invalid IL or missing references)
			//IL_0008: Unknown result type (might be due to invalid IL or missing references)
			if (!Active)
			{
				return true;
			}
			float time = Time.time;
			long receiver = peer.m_peer.m_uid;
			Dictionary<ZDOID, PeerZDOInfo> zdos = peer.m_zdos;
			int k = ((Cfg.TopK.Value > 0) ? Cfg.TopK.Value : Math.Max(64, Cfg.SendWindowBytes.Value / 64));
			TopK.Select(objects, delegate(ZDO z)
			{
				//IL_0001: Unknown result type (might be due to invalid IL or missing references)
				//IL_0007: Invalid comparison between Unknown and I4
				//IL_002c: Unknown result type (might be due to invalid IL or missing references)
				//IL_0032: Invalid comparison between Unknown and I4
				//IL_0039: Unknown result type (might be due to invalid IL or missing references)
				//IL_003f: Invalid comparison between Unknown and I4
				//IL_0061: Unknown result type (might be due to invalid IL or missing references)
				//IL_0046: Unknown result type (might be due to invalid IL or missing references)
				//IL_004c: Invalid comparison between Unknown and I4
				//IL_008d: Unknown result type (might be due to invalid IL or missing references)
				//IL_0093: Unknown result type (might be due to invalid IL or missing references)
				//IL_0075: Unknown result type (might be due to invalid IL or missing references)
				int num = (((int)z.Type != 1 || !z.HasOwner() || z.GetOwner() == receiver) ? (((int)z.Type == 3) ? 1 : (((int)z.Type == 2) ? 2 : (((int)z.Type != 1) ? 4 : 3))) : 0);
				float num2 = 100f;
				if (zdos.TryGetValue(z.m_uid, out var value))
				{
					num2 = Mathf.Clamp(time - value.m_syncTime, 0f, 100f);
				}
				double num3 = Vector3.Distance(z.GetPosition(), refPos) - num2 * 1.5f;
				return (double)num * 100000.0 + num3;
			}, k);
			return false;
		}
	}
}
namespace SmoothServer
{
	internal sealed class ConfigWatcher : IDisposable
	{
		private const double DebounceSeconds = 0.5;

		private const double PollIntervalSeconds = 0.5;

		private const double IgnoreAfterReloadSeconds = 1.0;

		private readonly ConfigFile _cfg;

		private readonly ManualLogSource _log;

		private readonly string _fileName;

		private readonly string _logPrefix;

		private FileSystemWatcher _fsw;

		private volatile bool _pending;

		private DateTime _lastEventUtc;

		private DateTime _lastReloadUtc = DateTime.MinValue;

		private DateTime _lastPollUtc = DateTime.MinValue;

		private DateTime _lastKnownWriteUtc = DateTime.MinValue;

		private static readonly List<string> _statReloads = new List<string>();

		internal static Action AfterReload;

		internal static bool Reloading { get; private set; }

		internal static List<string> ConsumeReloadSummaries()
		{
			List<string> result = new List<string>(_statReloads);
			_statReloads.Clear();
			return result;
		}

		public ConfigWatcher(ConfigFile cfg, ManualLogSource log, string logPrefix = "[Config]")
		{
			_cfg = cfg;
			_log = log;
			_logPrefix = logPrefix;
			_fileName = Path.GetFileName(cfg.ConfigFilePath);
			_lastKnownWriteUtc = SafeGetLastWriteUtc();
			string directoryName = Path.GetDirectoryName(cfg.ConfigFilePath);
			if (string.IsNullOrEmpty(directoryName))
			{
				_log.LogWarning((object)(_logPrefix + " watcher: could not resolve a directory for " + cfg.ConfigFilePath));
				return;
			}
			try
			{
				_fsw = new FileSystemWatcher(directoryName)
				{
					NotifyFilter = (NotifyFilters.FileName | NotifyFilters.Size | NotifyFilters.LastWrite),
					IncludeSubdirectories = false
				};
				_fsw.Changed += OnFsEvent;
				_fsw.Created += OnFsEvent;
				_fsw.Renamed += OnFsRenamed;
				_fsw.Error += OnFsError;
				_fsw.EnableRaisingEvents = true;
			}
			catch (Exception ex)
			{
				_log.LogWarning((object)(_logPrefix + " could not start FileSystemWatcher, relying on polling: " + ex.Message));
				_fsw = null;
			}
			_log.LogInfo((object)(_logPrefix + " watching " + cfg.ConfigFilePath + " for live edits"));
		}

		private void OnFsEvent(object sender, FileSystemEventArgs e)
		{
			if (string.Equals(e.Name, _fileName, StringComparison.OrdinalIgnoreCase))
			{
				Schedule();
			}
		}

		private void OnFsRenamed(object sender, RenamedEventArgs e)
		{
			if (string.Equals(e.Name, _fileName, StringComparison.OrdinalIgnoreCase))
			{
				Schedule();
			}
		}

		private void OnFsError(object sender, ErrorEventArgs e)
		{
			_log.LogWarning((object)(_logPrefix + " watcher error (falling back to polling): " + e.GetException()));
		}

		private void Schedule()
		{
			if (!((DateTime.UtcNow - _lastReloadUtc).TotalSeconds < 1.0))
			{
				_pending = true;
				_lastEventUtc = DateTime.UtcNow;
			}
		}

		private DateTime SafeGetLastWriteUtc()
		{
			try
			{
				return File.GetLastWriteTimeUtc(_cfg.ConfigFilePath);
			}
			catch
			{
				return DateTime.MinValue;
			}
		}

		public void Pump()
		{
			if ((DateTime.UtcNow - _lastPollUtc).TotalSeconds >= 0.5)
			{
				_lastPollUtc = DateTime.UtcNow;
				DateTime dateTime = SafeGetLastWriteUtc();
				if (dateTime != DateTime.MinValue && dateTime != _lastKnownWriteUtc)
				{
					_lastKnownWriteUtc = dateTime;
					Schedule();
				}
			}
			if (!_pending || (DateTime.UtcNow - _lastEventUtc).TotalSeconds < 0.5)
			{
				return;
			}
			_pending = false;
			try
			{
				DoReload();
			}
			catch (Exception ex)
			{
				_log.LogError((object)(_logPrefix + " reload failed: " + ex));
			}
		}

		private void DoReload()
		{
			Dictionary<ConfigDefinition, string> before = Snapshot();
			bool saveOnConfigSet = _cfg.SaveOnConfigSet;
			_cfg.SaveOnConfigSet = false;
			Reloading = true;
			try
			{
				_cfg.Reload();
			}
			finally
			{
				Reloading = false;
				_cfg.SaveOnConfigSet = saveOnConfigSet;
			}
			Action afterReload = AfterReload;
			if (afterReload != null)
			{
				try
				{
					afterReload();
				}
				catch (Exception ex)
				{
					_log.LogError((object)(_logPrefix + " post-reload hook threw: " + ex));
				}
			}
			_lastReloadUtc = DateTime.UtcNow;
			_lastKnownWriteUtc = SafeGetLastWriteUtc();
			List<string> list = Diff(before);
			string text = ((list.Count == 0) ? "no changes" : string.Join(", ", list.ToArray()));
			_statReloads.Add(text);
			_log.LogInfo((object)((list.Count == 0) ? (_logPrefix + " reloaded: no changes") : (_logPrefix + " reloaded: " + text)));
		}

		private Dictionary<ConfigDefinition, string> Snapshot()
		{
			Dictionary<ConfigDefinition, string> dictionary = new Dictionary<ConfigDefinition, string>();
			foreach (KeyValuePair<ConfigDefinition, ConfigEntryBase> item in _cfg)
			{
				try
				{
					dictionary[item.Key] = item.Value.GetSerializedValue();
				}
				catch
				{
				}
			}
			return dictionary;
		}

		private List<string> Diff(Dictionary<ConfigDefinition, string> before)
		{
			List<string> list = new List<string>();
			foreach (KeyValuePair<ConfigDefinition, ConfigEntryBase> item in _cfg)
			{
				string serializedValue;
				try
				{
					serializedValue = item.Value.GetSerializedValue();
				}
				catch
				{
					continue;
				}
				if (!before.TryGetValue(item.Key, out string value))
				{
					value = "?";
				}
				if (value != serializedValue)
				{
					list.Add("[" + item.Key.Section + "] " + item.Key.Key + " " + value + " -> " + serializedValue);
				}
			}
			return list;
		}

		public void Dispose()
		{
			if (_fsw != null)
			{
				try
				{
					_fsw.EnableRaisingEvents = false;
					_fsw.Changed -= OnFsEvent;
					_fsw.Created -= OnFsEvent;
					_fsw.Renamed -= OnFsRenamed;
					_fsw.Error -= OnFsError;
					_fsw.Dispose();
				}
				catch
				{
				}
				_fsw = null;
			}
		}
	}
	internal sealed class CreateBudgetModule : FeatureModule
	{
		private const int VanillaMax = 10;

		private ConfigEntry<int> _max;

		internal static bool Active;

		internal static int MaxCreatedPerFrame = 10;

		public override string Name => "CreateBudget";

		public override void Configure(ConfigFile cfg)
		{
			EnabledCfg = cfg.Bind<bool>("CreateBudget", "Enabled", true, "Make ZNetScene's per-frame object instantiation budget configurable.");
			_max = cfg.Bind<int>("CreateBudget", "MaxCreatedPerFrame", 10, "Objects ZNetScene may instantiate per frame outside the loading screen. Vanilla 10 - the default is deliberately vanilla, raise it to test. || PROFILE: this key is overridden while [Profiles] Profile=FastLink, and forced back to the default above while Profile=Default. Set Profile=Custom if you want to hand-tune it.");
			Watch<int>(_max);
		}

		internal static int GetMaxCreatedPerFrame()
		{
			if (!Active || !FeatureModule.ServerActive())
			{
				return 10;
			}
			return MaxCreatedPerFrame;
		}

		protected override void ApplyPatches()
		{
			//IL_005a: Unknown result type (might be due to invalid IL or missing references)
			//IL_0066: Expected O, but got Unknown
			MaxCreatedPerFrame = Math.Max(1, _max.Value);
			MethodInfo methodInfo = AccessTools.Method(typeof(ZNetScene), "CreateObjects", (Type[])null, (Type[])null);
			if (methodInfo == null)
			{
				throw new Exception("SmoothServer CreateBudget: ZNetScene.CreateObjects not found");
			}
			Harmony.Patch((MethodBase)methodInfo, (HarmonyMethod)null, (HarmonyMethod)null, new HarmonyMethod(typeof(CreateBudgetModule), "Transpiler", (Type[])null), (HarmonyMethod)null, (HarmonyMethod)null);
			Active = true;
			FeatureModule.Log.LogInfo((object)("[CreateBudget] maxCreatedPerFrame=" + MaxCreatedPerFrame + ((MaxCreatedPerFrame == 10) ? " (vanilla value, no behaviour change)" : "")));
		}

		public override void Disable()
		{
			Active = false;
			base.Disable();
		}

		public override void OnConfigChanged(ConfigEntryBase entry)
		{
			if ((object)entry == _max)
			{
				MaxCreatedPerFrame = Math.Max(1, _max.Value);
				FeatureModule.Log.LogInfo((object)("[CreateBudget] maxCreatedPerFrame=" + MaxCreatedPerFrame + ((MaxCreatedPerFrame == 10) ? " (vanilla value, no behaviour change)" : "")));
			}
		}

		private static IEnumerable<CodeInstruction> Transpiler(IEnumerable<CodeInstruction> instructions)
		{
			List<CodeInstruction> list = new List<CodeInstruction>(instructions);
			int num = 0;
			for (int i = 0; i < list.Count; i++)
			{
				if (ILUtil.TryGetI4(list[i], out var value) && value == 10)
				{
					ILUtil.ReplaceWithCall(list[i], typeof(CreateBudgetModule), "GetMaxCreatedPerFrame");
					num++;
				}
			}
			if (num != 1)
			{
				string text = "SmoothServer CreateBudget transpiler: expected exactly 1x " + 10 + " in ZNetScene.CreateObjects, found " + num + " - game IL changed, refusing to patch";
				SmoothServerPlugin.Log.LogError((object)text);
				throw new Exception(text);
			}
			SmoothServerPlugin.Log.LogInfo((object)"[CreateBudget] transpiler OK: 1x maxCreatedPerFrame replaced (assertion 1 passed)");
			return list;
		}
	}
	internal enum ModuleSide
	{
		Server,
		Client,
		Both
	}
	internal abstract class FeatureModule
	{
		public ConfigEntry<bool> EnabledCfg;

		protected Harmony Harmony;

		protected ConfigFile Cfg;

		public string Status = "not-run";

		public bool Applied;

		private string _guidPrefix;

		private ModuleSide _runningSide;

		private bool _enabledHandlerAttached;

		public abstract string Name { get; }

		public virtual ModuleSide Side => ModuleSide.Server;

		public virtual string Section => Name;

		public virtual bool DefaultEnabled => true;

		public virtual bool RequiresCompatibility => true;

		protected virtual string EnabledDescription => "Enable the " + Name + " module.";

		public bool Enabled
		{
			get
			{
				if (EnabledCfg != null)
				{
					return EnabledCfg.Value;
				}
				return false;
			}
		}

		public bool IsActive
		{
			get
			{
				if (Applied)
				{
					return Enabled;
				}
				return false;
			}
		}

		protected static ManualLogSource Log => SmoothServerPlugin.Log;

		public virtual void Configure(ConfigFile cfg)
		{
			Cfg = cfg;
			EnabledCfg = BindSynced(Section, "Enabled", DefaultEnabled, EnabledDescription);
			Bind();
		}

		public void TryEnable(string guidPrefix)
		{
			TryEnable(guidPrefix, SmoothServerPlugin.RunningSide);
		}

		public void TryEnable(string guidPrefix, ModuleSide runningSide)
		{
			//IL_00aa: Unknown result type (might be due to invalid IL or missing references)
			//IL_00b4: Expected O, but got Unknown
			_guidPrefix = guidPrefix;
			_runningSide = runningSide;
			if (Side != ModuleSide.Both && Side != runningSide)
			{
				Applied = false;
				Status = "disabled(side)";
				return;
			}
			if (EnabledCfg == null || !EnabledCfg.Value)
			{
				Status = "disabled";
				Applied = false;
				return;
			}
			if (SmoothServerPlugin.ConflictingNetworkingModPresent)
			{
				Status = "disabled(conflict)";
				Applied = false;
				return;
			}
			if (RequiresCompatibility && !SmoothServerPlugin.ReplacementsAllowed)
			{
				Status = "disabled(unknown-build)";
				Applied = false;
				return;
			}
			try
			{
				Harmony = new Harmony(guidPrefix + "." + Name);
				ApplyPatches();
				Applied = true;
				Status = "applied";
				Log.LogInfo((object)("[" + Name + "] applied"));
			}
			catch (Exception ex)
			{
				Applied = false;
				string text = ((ex.InnerException != null) ? ex.InnerException.Message : ex.Message);
				Status = "FAILED(" + text + ")";
				Log.LogError((object)("[" + Name + "] FAILED to patch: " + ex));
				Disable();
			}
		}

		internal void AttachEnabledHandler()
		{
			if (_enabledHandlerAttached || EnabledCfg == null)
			{
				return;
			}
			_enabledHandlerAttached = true;
			EnabledCfg.SettingChanged += delegate
			{
				try
				{
					HandleEnabledChanged();
				}
				catch (Exception ex)
				{
					Log.LogError((object)("[" + Name + "] Enabled lifecycle change failed: " + ex));
				}
			};
		}

		private void HandleEnabledChanged()
		{
			if (Enabled)
			{
				if (!Applied && _guidPrefix != null)
				{
					TryEnable(_guidPrefix, _runningSide);
				}
				return;
			}
			if (Applied)
			{
				Disable();
			}
			Status = "disabled";
		}

		protected virtual void Bind()
		{
		}

		protected abstract void ApplyPatches();

		public virtual void OnConfigChanged(ConfigEntryBase entry)
		{
		}

		public virtual string StatusDetail()
		{
			return null;
		}

		protected void Watch<T>(ConfigEntry<T> en