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.Linq.Expressions;
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.Cryptography;
using System.Security.Permissions;
using System.Text;
using System.Threading.Tasks;
using BepInEx;
using BepInEx.Configuration;
using BepInEx.Logging;
using ExpandWorldSize;
using HarmonyLib;
using JetBrains.Annotations;
using Microsoft.CodeAnalysis;
using ServerSync;
using SoftReferenceableAssets;
using TMPro;
using UnityEngine;

[assembly: AssemblyFileVersion("1.0.3")]
[assembly: Guid("6E0B7F3C-4D2A-4B8E-9C61-2F5A7D9E1B43")]
[assembly: ComVisible(false)]
[assembly: AssemblyTrademark("")]
[assembly: AssemblyCopyright("Copyright ©  2026 Radamanto")]
[assembly: AssemblyProduct("DeepNorthShaderFix")]
[assembly: AssemblyCompany("Radamanto")]
[assembly: AssemblyConfiguration("")]
[assembly: AssemblyDescription("")]
[assembly: AssemblyTitle("DeepNorthShaderFix")]
[assembly: Debuggable(DebuggableAttribute.DebuggingModes.Default | DebuggableAttribute.DebuggingModes.DisableOptimizations | DebuggableAttribute.DebuggingModes.IgnoreSymbolStoreSequencePoints | DebuggableAttribute.DebuggingModes.EnableEditAndContinue)]
[assembly: RuntimeCompatibility(WrapNonExceptionThrows = true)]
[assembly: CompilationRelaxations(8)]
[assembly: TargetFramework(".NETFramework,Version=v4.8", FrameworkDisplayName = ".NET Framework 4.8")]
[assembly: SecurityPermission(SecurityAction.RequestMinimum, SkipVerification = true)]
[assembly: AssemblyVersion("1.0.3.0")]
[module: UnverifiableCode]
namespace Microsoft.CodeAnalysis
{
	[CompilerGenerated]
	[<db20378a-7ba8-4987-8fcf-7e82b019061a>Embedded]
	internal sealed class <db20378a-7ba8-4987-8fcf-7e82b019061a>EmbeddedAttribute : Attribute
	{
	}
}
namespace System.Runtime.CompilerServices
{
	[AttributeUsage(AttributeTargets.Class | AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Event | AttributeTargets.Parameter | AttributeTargets.ReturnValue | AttributeTargets.GenericParameter, AllowMultiple = false, Inherited = false)]
	[<db20378a-7ba8-4987-8fcf-7e82b019061a>Embedded]
	[CompilerGenerated]
	internal sealed class <9adb7d9b-56fb-4c20-9988-0b5764d74a79>NullableAttribute : Attribute
	{
		public readonly byte[] NullableFlags;

		public <9adb7d9b-56fb-4c20-9988-0b5764d74a79>NullableAttribute(byte P_0)
		{
			NullableFlags = new byte[1] { P_0 };
		}

		public <9adb7d9b-56fb-4c20-9988-0b5764d74a79>NullableAttribute(byte[] P_0)
		{
			NullableFlags = P_0;
		}
	}
	[AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct | AttributeTargets.Method | AttributeTargets.Interface | AttributeTargets.Delegate, AllowMultiple = false, Inherited = false)]
	[<db20378a-7ba8-4987-8fcf-7e82b019061a>Embedded]
	[CompilerGenerated]
	internal sealed class <cebcbe21-7092-4bc7-8bb8-eca43f57f185>NullableContextAttribute : Attribute
	{
		public readonly byte Flag;

		public <cebcbe21-7092-4bc7-8bb8-eca43f57f185>NullableContextAttribute(byte P_0)
		{
			Flag = P_0;
		}
	}
}
namespace radamanto.DeepNorthShaderFix
{
	[<cebcbe21-7092-4bc7-8bb8-eca43f57f185>NullableContext(1)]
	[BepInPlugin("radamanto.DeepNorthShaderFix", "DeepNorthShaderFix", "1.0.3")]
	[BepInDependency(/*Could not decode attribute arguments.*/)]
	[<9adb7d9b-56fb-4c20-9988-0b5764d74a79>Nullable(0)]
	public class DeepNorthShaderFixPlugin : BaseUnityPlugin
	{
		[<cebcbe21-7092-4bc7-8bb8-eca43f57f185>NullableContext(0)]
		private sealed class ConfigurationManagerAttributes
		{
			public bool? Browsable = false;
		}

		public const string ModGUID = "radamanto.DeepNorthShaderFix";

		public const string ModName = "DeepNorthShaderFix";

		public const string ModVersion = "1.0.3";

		private const string ExpandWorldSizeGUID = "expand_world_size";

		private const float MinRadius = 1000f;

		private const float MaxRadius = 100000f;

		private readonly Harmony _harmony = new Harmony("radamanto.DeepNorthShaderFix");

		internal static ManualLogSource Log;

		internal static ConfigEntry<float> WorldRadius;

		private const float ConfigReloadQuietSeconds = 0.75f;

		[<9adb7d9b-56fb-4c20-9988-0b5764d74a79>Nullable(2)]
		internal static ConfigSync ConfigSync;

		[<9adb7d9b-56fb-4c20-9988-0b5764d74a79>Nullable(2)]
		private static ConfigEntry<bool> _serverConfigLocked;

		[<9adb7d9b-56fb-4c20-9988-0b5764d74a79>Nullable(2)]
		private FileSystemWatcher _configWatcher;

		private DateTime _lastCfgWriteUtc = DateTime.MinValue;

		private DateTime _ignoreEventsUntilUtc = DateTime.MinValue;

		private bool _reloadScheduled;

		private void Awake()
		{
			//IL_003c: Unknown result type (might be due to invalid IL or missing references)
			//IL_0047: Expected O, but got Unknown
			Log = ((BaseUnityPlugin)this).Logger;
			bool syncReady = BeginConfigSetup();
			WorldRadius = Cfg("1 - General", "World radius", 10000f, new ConfigDescription("Must be the same value as 'World radius' in expand_world_size.cfg. If 'Stretch world' is not 1, use World radius divided by Stretch world. 10000 is vanilla and keeps the original terrain shader.", (AcceptableValueBase)(object)new AcceptableValueRange<float>(1000f, 100000f), Array.Empty<object>()));
			EndConfigSetup(syncReady);
			WorldRadius.SettingChanged += [<cebcbe21-7092-4bc7-8bb8-eca43f57f185>NullableContext(0)] (object _, EventArgs _) =>
			{
				PoleShaders.Request(WorldRadius.Value);
			};
			_harmony.PatchAll();
			PoleShaders.Request(WorldRadius.Value);
		}

		private void Update()
		{
			PoleShaders.Tick((MonoBehaviour)(object)this);
		}

		private void OnDestroy()
		{
			DisposeConfigWatcher();
			_harmony.UnpatchSelf();
		}

		private bool BeginConfigSetup()
		{
			//IL_0077: Unknown result type (might be due to invalid IL or missing references)
			//IL_0081: Expected O, but got Unknown
			((BaseUnityPlugin)this).Config.SaveOnConfigSet = false;
			try
			{
				ConfigSync = new ConfigSync("radamanto.DeepNorthShaderFix")
				{
					DisplayName = "DeepNorthShaderFix",
					CurrentVersion = "1.0.3",
					MinimumRequiredVersion = "1.0.3",
					ModRequired = true
				};
				_serverConfigLocked = ((BaseUnityPlugin)this).Config.Bind<bool>("1 - General", "Lock Configuration", true, new ConfigDescription("If true, the server locks synchronized configs.", (AcceptableValueBase)null, new object[1]
				{
					new ConfigurationManagerAttributes
					{
						Browsable = false
					}
				}));
				ConfigSync.AddLockingConfigEntry<bool>(_serverConfigLocked);
				return true;
			}
			catch (Exception ex)
			{
				Log.LogError((object)("[ConfigSync] " + ex));
				return false;
			}
		}

		private void EndConfigSetup(bool syncReady)
		{
			if (syncReady)
			{
				((BaseUnityPlugin)this).Config.Save();
			}
			((BaseUnityPlugin)this).Config.SaveOnConfigSet = true;
			if (syncReady)
			{
				SetupConfigWatcher();
			}
		}

		private ConfigEntry<T> Cfg<[<9adb7d9b-56fb-4c20-9988-0b5764d74a79>Nullable(2)] T>(string section, string key, T defaultValue, ConfigDescription description, bool synced = true)
		{
			//IL_002b: Unknown result type (might be due to invalid IL or missing references)
			//IL_0031: Expected O, but got Unknown
			ConfigDescription val = new ConfigDescription(description.Description + (synced ? " [Synced with Server]" : " [Not Synced with Server]"), description.AcceptableValues, description.Tags);
			ConfigEntry<T> val2 = ((BaseUnityPlugin)this).Config.Bind<T>(section, key, defaultValue, val);
			SyncedConfigEntry<T> syncedConfigEntry = ConfigSync?.AddConfigEntry<T>(val2);
			if (syncedConfigEntry != null)
			{
				syncedConfigEntry.SynchronizedConfig = synced;
			}
			return val2;
		}

		private void SetupConfigWatcher()
		{
			DisposeConfigWatcher();
			try
			{
				_configWatcher = new FileSystemWatcher(Paths.ConfigPath, Path.GetFileName(((BaseUnityPlugin)this).Config.ConfigFilePath))
				{
					IncludeSubdirectories = false,
					NotifyFilter = (NotifyFilters.FileName | NotifyFilters.Size | NotifyFilters.LastWrite | NotifyFilters.CreationTime),
					SynchronizingObject = ThreadingHelper.SynchronizingObject
				};
				_configWatcher.Changed += OnConfigFileChanged;
				_configWatcher.Created += OnConfigFileChanged;
				_configWatcher.Renamed += OnConfigFileChanged;
				_configWatcher.EnableRaisingEvents = true;
			}
			catch (Exception ex)
			{
				Log.LogError((object)("[ConfigWatcher] " + ex));
				_configWatcher = null;
			}
		}

		private void DisposeConfigWatcher()
		{
			if (_configWatcher != null)
			{
				_configWatcher.EnableRaisingEvents = false;
				_configWatcher.Dispose();
				_configWatcher = null;
			}
			_reloadScheduled = false;
		}

		private void OnConfigFileChanged(object sender, FileSystemEventArgs e)
		{
			if (!(DateTime.UtcNow < _ignoreEventsUntilUtc))
			{
				_lastCfgWriteUtc = DateTime.UtcNow;
				if (!_reloadScheduled)
				{
					_reloadScheduled = true;
					((MonoBehaviour)this).StartCoroutine(ReloadConfigAfterQuietPeriod());
				}
			}
		}

		private IEnumerator ReloadConfigAfterQuietPeriod()
		{
			while ((DateTime.UtcNow - _lastCfgWriteUtc).TotalSeconds < 0.75)
			{
				yield return null;
			}
			_reloadScheduled = false;
			FileSystemWatcher watcher = _configWatcher;
			if (watcher == null || ((Object)(object)ZNet.instance != (Object)null && !ZNet.instance.IsServer()))
			{
				yield break;
			}
			watcher.EnableRaisingEvents = false;
			try
			{
				((BaseUnityPlugin)this).Config.Reload();
				_ignoreEventsUntilUtc = DateTime.UtcNow.AddSeconds(1.0);
			}
			catch (Exception ex)
			{
				Log.LogError((object)("[ConfigReload] " + ex));
			}
			finally
			{
				if (_configWatcher == watcher)
				{
					watcher.EnableRaisingEvents = true;
				}
			}
		}
	}
	[<cebcbe21-7092-4bc7-8bb8-eca43f57f185>NullableContext(1)]
	[<9adb7d9b-56fb-4c20-9988-0b5764d74a79>Nullable(0)]
	internal static class PoleShaders
	{
		[<cebcbe21-7092-4bc7-8bb8-eca43f57f185>NullableContext(2)]
		[<9adb7d9b-56fb-4c20-9988-0b5764d74a79>Nullable(0)]
		private sealed class ShaderTarget
		{
			[<9adb7d9b-56fb-4c20-9988-0b5764d74a79>Nullable(1)]
			public readonly string Name;

			[<9adb7d9b-56fb-4c20-9988-0b5764d74a79>Nullable(1)]
			public readonly string AssetPath;

			public Shader Vanilla;

			public Shader Patched;

			public AssetBundle Bundle;

			public string File;

			[<cebcbe21-7092-4bc7-8bb8-eca43f57f185>NullableContext(1)]
			public ShaderTarget(string name, string assetPath)
			{
				Name = name;
				AssetPath = assetPath;
			}
		}

		[<9adb7d9b-56fb-4c20-9988-0b5764d74a79>Nullable(0)]
		private readonly struct PendingShader
		{
			public readonly AssetBundle Bundle;

			public readonly string File;

			public readonly Shader Shader;

			public PendingShader(AssetBundle bundle, Shader shader, string file)
			{
				File = file;
				Bundle = bundle;
				Shader = shader;
			}
		}

		[<9adb7d9b-56fb-4c20-9988-0b5764d74a79>Nullable(0)]
		private sealed class BuildResult
		{
			public readonly Dictionary<ShaderTarget, string> Files = new Dictionary<ShaderTarget, string>();

			public readonly List<string> Errors = new List<string>();
		}

		private const string SoftRefFolder = "SoftRef";

		private const string BundlesFolder = "Bundles";

		private const string ManifestFile = "manifest_extended";

		private const string BundlePrefix = "bundle:";

		private const string PathPrefix = "path in bundle:";

		private const string TemplateAssetPath = "Assets/Shaders/Heightmap.shader";

		private const string CacheExtension = ".bundle";

		private const string TempExtension = ".tmp";

		private const int CacheFormat = 2;

		private const float RescanInterval = 0.5f;

		private static readonly int DepthProperty = Shader.PropertyToID("_depth");

		private static readonly ShaderTarget[] Targets = new ShaderTarget[5]
		{
			new ShaderTarget("Custom/Heightmap", "Assets/Shaders/Heightmap.shader"),
			new ShaderTarget("Custom/Vegetation", "Assets/Shaders/Vegetation.shader"),
			new ShaderTarget("Custom/Piece", "Assets/Shaders/Piece.shader"),
			new ShaderTarget("Custom/StaticRock", "Assets/Shaders/StaticRock.shader"),
			new ShaderTarget("Custom/Water", "Assets/Shaders/Water.shader")
		};

		private static readonly Dictionary<string, ShaderTarget> TargetsByName = CreateLookup();

		private static readonly Dictionary<Shader, ShaderTarget> KnownShaders = new Dictionary<Shader, ShaderTarget>();

		private static readonly HashSet<Shader> IgnoredShaders = new HashSet<Shader>();

		private static readonly HashSet<Shader> OwnShaders = new HashSet<Shader>();

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

		private static float _requestedRadius = 10000f;

		private static float _appliedRadius = 10000f;

		private static bool _busy;

		private static bool _rescanRequested;

		private static float _nextRescan;

		public static void Request(float radius)
		{
			_requestedRadius = radius;
		}

		public static void RequestRescan()
		{
			_rescanRequested = true;
		}

		public static void Tick(MonoBehaviour host)
		{
			//IL_0008: Unknown result type (might be due to invalid IL or missing references)
			//IL_000e: Invalid comparison between Unknown and I4
			if (_busy || (int)SystemInfo.graphicsDeviceType != 2)
			{
				return;
			}
			if (_requestedRadius != _appliedRadius)
			{
				_busy = true;
				host.StartCoroutine(Apply(_requestedRadius));
			}
			else if (_rescanRequested && Time.unscaledTime >= _nextRescan)
			{
				_rescanRequested = false;
				_nextRescan = Time.unscaledTime + 0.5f;
				if (HasPatched())
				{
					SwapMaterials();
				}
			}
		}

		[<cebcbe21-7092-4bc7-8bb8-eca43f57f185>NullableContext(2)]
		public static void Ensure(Material material)
		{
			if ((Object)(object)material == (Object)null)
			{
				return;
			}
			Shader shader = material.shader;
			ShaderTarget shaderTarget = Classify(shader);
			if (shaderTarget != null)
			{
				Shader val = Desired(shaderTarget);
				if ((Object)(object)val != (Object)null && (Object)(object)shader != (Object)(object)val)
				{
					Assign(material, val);
				}
			}
		}

		private static IEnumerator Apply(float radius)
		{
			Dictionary<ShaderTarget, PendingShader> loaded = new Dictionary<ShaderTarget, PendingShader>();
			if (radius != 10000f)
			{
				string softRef = Path.Combine(Application.streamingAssetsPath, "SoftRef");
				string cacheFolder = Path.Combine(Paths.CachePath, "DeepNorthShaderFix");
				string[] inUse = FilesInUse();
				Task<BuildResult> build = Task.Run([<cebcbe21-7092-4bc7-8bb8-eca43f57f185>NullableContext(0)] () => Build(radius, softRef, cacheFolder, inUse));
				while (!build.IsCompleted)
				{
					yield return null;
				}
				BuildResult result = build.Result;
				foreach (string error in result.Errors)
				{
					DeepNorthShaderFixPlugin.Log.LogError((object)(error + " (keeping the vanilla shader)"));
				}
				foreach (KeyValuePair<ShaderTarget, string> file in result.Files)
				{
					AssetBundleCreateRequest bundleRequest = AssetBundle.LoadFromFileAsync(file.Value);
					yield return bundleRequest;
					AssetBundle bundle = bundleRequest.assetBundle;
					if ((Object)(object)bundle == (Object)null)
					{
						DeepNorthShaderFixPlugin.Log.LogError((object)(file.Key.Name + ": Unity refused to load the patched shader bundle (keeping the vanilla shader)"));
						continue;
					}
					AssetBundleRequest assetRequest = bundle.LoadAllAssetsAsync<Shader>();
					yield return assetRequest;
					Shader shader = null;
					Object[] allAssets = assetRequest.allAssets;
					foreach (Object asset in allAssets)
					{
						Shader candidate = (Shader)(object)((asset is Shader) ? asset : null);
						if (candidate != null && ((Object)candidate).name == file.Key.Name)
						{
							shader = candidate;
						}
					}
					if ((Object)(object)shader == (Object)null || !shader.isSupported)
					{
						DeepNorthShaderFixPlugin.Log.LogError((object)(file.Key.Name + ": patched shader is missing or not supported by this GPU (keeping the vanilla shader)"));
						bundle.Unload(true);
					}
					else
					{
						loaded[file.Key] = new PendingShader(bundle, shader, file.Value);
					}
				}
			}
			Swap(loaded);
			_appliedRadius = radius;
			_busy = false;
		}

		private static void Swap(Dictionary<ShaderTarget, PendingShader> loaded)
		{
			List<PendingShader> list = new List<PendingShader>();
			ShaderTarget[] targets = Targets;
			foreach (ShaderTarget shaderTarget in targets)
			{
				if ((Object)(object)shaderTarget.Bundle != (Object)null && (Object)(object)shaderTarget.Patched != (Object)null && shaderTarget.File != null)
				{
					list.Add(new PendingShader(shaderTarget.Bundle, shaderTarget.Patched, shaderTarget.File));
				}
				shaderTarget.Patched = null;
				shaderTarget.Bundle = null;
				shaderTarget.File = null;
				if (loaded.TryGetValue(shaderTarget, out var value))
				{
					shaderTarget.Patched = value.Shader;
					shaderTarget.Bundle = value.Bundle;
					shaderTarget.File = value.File;
					KnownShaders[value.Shader] = shaderTarget;
					OwnShaders.Add(value.Shader);
				}
			}
			HashSet<Shader> hashSet = SwapMaterials();
			foreach (PendingShader item in list)
			{
				if (hashSet.Contains(item.Shader))
				{
					DeepNorthShaderFixPlugin.Log.LogError((object)(((Object)item.Shader).name + ": the vanilla shader is not available, keeping the patched one loaded"));
					RetiredFiles.Add(item.File);
				}
				else
				{
					KnownShaders.Remove(item.Shader);
					OwnShaders.Remove(item.Shader);
					item.Bundle.Unload(true);
				}
			}
		}

		private static HashSet<Shader> SwapMaterials()
		{
			ShaderTarget[] targets = Targets;
			foreach (ShaderTarget shaderTarget in targets)
			{
				if ((Object)(object)shaderTarget.Patched == (Object)null && (Object)(object)shaderTarget.Vanilla == (Object)null)
				{
					shaderTarget.Vanilla = FindVanilla(shaderTarget);
				}
			}
			HashSet<Shader> hashSet = new HashSet<Shader>();
			Material[] array = Resources.FindObjectsOfTypeAll<Material>();
			foreach (Material val in array)
			{
				Shader shader = val.shader;
				ShaderTarget shaderTarget2 = Classify(shader);
				if (shaderTarget2 != null)
				{
					Shader val2 = Desired(shaderTarget2);
					if ((Object)(object)val2 == (Object)null)
					{
						hashSet.Add(shader);
					}
					else if ((Object)(object)shader != (Object)(object)val2)
					{
						Assign(val, val2);
					}
				}
			}
			return hashSet;
		}

		[return: <9adb7d9b-56fb-4c20-9988-0b5764d74a79>Nullable(2)]
		private static Shader Desired(ShaderTarget target)
		{
			if ((Object)(object)target.Patched != (Object)null)
			{
				return target.Patched;
			}
			if ((Object)(object)target.Vanilla != (Object)null)
			{
				return target.Vanilla;
			}
			return null;
		}

		[return: <9adb7d9b-56fb-4c20-9988-0b5764d74a79>Nullable(2)]
		private static Shader FindVanilla(ShaderTarget target)
		{
			Shader[] array = Resources.FindObjectsOfTypeAll<Shader>();
			foreach (Shader val in array)
			{
				if (!OwnShaders.Contains(val) && !(((Object)val).name != target.Name))
				{
					KnownShaders[val] = target;
					return val;
				}
			}
			return null;
		}

		[<cebcbe21-7092-4bc7-8bb8-eca43f57f185>NullableContext(2)]
		private static ShaderTarget Classify(Shader shader)
		{
			if ((Object)(object)shader == (Object)null)
			{
				return null;
			}
			if (KnownShaders.TryGetValue(shader, out var value))
			{
				return value;
			}
			if (IgnoredShaders.Contains(shader))
			{
				return null;
			}
			if (!TargetsByName.TryGetValue(((Object)shader).name, out var value2))
			{
				IgnoredShaders.Add(shader);
				return null;
			}
			value2.Vanilla = shader;
			KnownShaders[shader] = value2;
			return value2;
		}

		private static void Assign(Material material, Shader shader)
		{
			int renderQueue = material.renderQueue;
			float[] floatArray = material.GetFloatArray(DepthProperty);
			material.shader = shader;
			material.renderQueue = renderQueue;
			if (floatArray != null && floatArray.Length != 0)
			{
				material.SetFloatArray(DepthProperty, floatArray);
			}
		}

		private static string[] FilesInUse()
		{
			List<string> list = new List<string>(RetiredFiles);
			ShaderTarget[] targets = Targets;
			foreach (ShaderTarget shaderTarget in targets)
			{
				if (shaderTarget.File != null)
				{
					list.Add(shaderTarget.File);
				}
			}
			return list.ToArray();
		}

		private static bool HasPatched()
		{
			ShaderTarget[] targets = Targets;
			foreach (ShaderTarget shaderTarget in targets)
			{
				if ((Object)(object)shaderTarget.Patched != (Object)null)
				{
					return true;
				}
			}
			return false;
		}

		private static BuildResult Build(float radius, string softRef, string cacheFolder, string[] inUse)
		{
			BuildResult buildResult = new BuildResult();
			try
			{
				string path = Path.Combine(softRef, "Bundles");
				Dictionary<string, string> bundleNames = ReadBundleNames(Path.Combine(softRef, "manifest_extended"));
				string text = Path.Combine(path, GetBundle(bundleNames, "Assets/Shaders/Heightmap.shader"));
				Directory.CreateDirectory(cacheFolder);
				ShaderTemplate shaderTemplate = null;
				HashSet<string> hashSet = new HashSet<string>(inUse, StringComparer.OrdinalIgnoreCase);
				ShaderTarget[] targets = Targets;
				foreach (ShaderTarget shaderTarget in targets)
				{
					try
					{
						string text2 = Path.Combine(path, GetBundle(bundleNames, shaderTarget.AssetPath));
						string text3 = Path.Combine(cacheFolder, CacheName(shaderTarget, text2, text, radius));
						hashSet.Add(text3);
						if (File.Exists(text3))
						{
							buildResult.Files[shaderTarget] = text3;
							continue;
						}
						if (shaderTemplate == null)
						{
							shaderTemplate = ShaderTemplate.Read(text);
						}
						ShaderSource source = ShaderSource.Read(text2, shaderTarget.AssetPath, shaderTarget.Name);
						byte[] bytes = ShaderPatcher.CreatePatchedBundle(shaderTemplate, source, radius);
						WriteCache(text3, bytes);
						buildResult.Files[shaderTarget] = text3;
					}
					catch (Exception ex)
					{
						buildResult.Errors.Add(shaderTarget.Name + ": " + ex.Message);
					}
				}
				RemoveStaleCache(cacheFolder, hashSet);
			}
			catch (Exception ex2)
			{
				buildResult.Errors.Add("Could not prepare the patched shaders: " + ex2.Message);
			}
			return buildResult;
		}

		private static string CacheName(ShaderTarget target, string sourcePath, string templatePath, float radius)
		{
			FileInfo fileInfo = new FileInfo(sourcePath);
			FileInfo fileInfo2 = new FileInfo(templatePath);
			string s = string.Join("|", target.Name, fileInfo.Length.ToString(), fileInfo.LastWriteTimeUtc.Ticks.ToString(), fileInfo2.Length.ToString(), fileInfo2.LastWriteTimeUtc.Ticks.ToString(), radius.ToString("R"), "1.0.3", 2.ToString());
			using MD5 mD = MD5.Create();
			byte[] array = mD.ComputeHash(Encoding.UTF8.GetBytes(s));
			StringBuilder stringBuilder = new StringBuilder(target.Name.Substring(target.Name.IndexOf('/') + 1));
			stringBuilder.Append('_');
			for (int i = 0; i < 8; i++)
			{
				stringBuilder.Append(array[i].ToString("x2"));
			}
			return stringBuilder.Append(".bundle").ToString();
		}

		private static void WriteCache(string path, byte[] bytes)
		{
			string text = path + ".tmp";
			File.WriteAllBytes(text, bytes);
			if (File.Exists(path))
			{
				File.Delete(path);
			}
			File.Move(text, path);
		}

		private static void RemoveStaleCache(string folder, HashSet<string> keep)
		{
			string[] files = Directory.GetFiles(folder);
			foreach (string text in files)
			{
				if (!keep.Contains(text))
				{
					try
					{
						File.Delete(text);
					}
					catch (IOException)
					{
					}
					catch (UnauthorizedAccessException)
					{
					}
				}
			}
		}

		private static Dictionary<string, string> ReadBundleNames(string manifestPath)
		{
			Dictionary<string, string> dictionary = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
			string[] array = File.ReadAllLines(manifestPath);
			for (int i = 0; i < array.Length; i++)
			{
				string text = array[i].Trim();
				if (!text.StartsWith("path in bundle:", StringComparison.Ordinal))
				{
					continue;
				}
				string key = text.Substring("path in bundle:".Length).Trim();
				int num = i - 1;
				while (num >= 0 && num >= i - 3)
				{
					string text2 = array[num].Trim();
					if (text2.StartsWith("bundle:", StringComparison.Ordinal))
					{
						dictionary[key] = text2.Substring("bundle:".Length).Trim();
						break;
					}
					num--;
				}
			}
			return dictionary;
		}

		private static string GetBundle(Dictionary<string, string> bundleNames, string assetPath)
		{
			if (bundleNames.TryGetValue(assetPath, out var value))
			{
				return value;
			}
			throw new InvalidDataException(assetPath + " not found in manifest_extended");
		}

		private static Dictionary<string, ShaderTarget> CreateLookup()
		{
			Dictionary<string, ShaderTarget> dictionary = new Dictionary<string, ShaderTarget>();
			ShaderTarget[] targets = Targets;
			foreach (ShaderTarget shaderTarget in targets)
			{
				dictionary[shaderTarget.Name] = shaderTarget;
			}
			return dictionary;
		}
	}
	[HarmonyPatch(typeof(Heightmap), "Initialize")]
	internal static class HeightmapInitializePatch
	{
		[<cebcbe21-7092-4bc7-8bb8-eca43f57f185>NullableContext(1)]
		private static void Prefix(Heightmap __instance)
		{
			PoleShaders.Ensure(__instance.m_material);
		}
	}
	[HarmonyPatch(typeof(ZNetScene), "Awake")]
	internal static class ZNetSceneAwakePatch
	{
		private static void Postfix()
		{
			PoleShaders.RequestRescan();
		}
	}
	[HarmonyPatch(typeof(AssetLoader), "InvokeCallbacks")]
	internal static class AssetLoaderInvokeCallbacksPatch
	{
		private static void Postfix(LoadResult result)
		{
			//IL_0001: Unknown result type (might be due to invalid IL or missing references)
			//IL_0003: Invalid comparison between Unknown and I4
			if ((int)result == 0)
			{
				PoleShaders.RequestRescan();
			}
		}
	}
	[<cebcbe21-7092-4bc7-8bb8-eca43f57f185>NullableContext(1)]
	[HarmonyPatch(typeof(WorldGenerator), "DeepNorthWaveFade")]
	[<9adb7d9b-56fb-4c20-9988-0b5764d74a79>Nullable(0)]
	internal static class DeepNorthWaveFadePatch
	{
		private const double VanillaYOffset = 4000.0;

		private const double VanillaMinDistance = 12000.0;

		private const int ExpectedReplacements = 2;

		private static readonly MethodInfo YOffsetSingle = SymbolExtensions.GetMethodInfo((Expression<Action>)(() => YOffset()));

		private static readonly MethodInfo YOffsetDouble = SymbolExtensions.GetMethodInfo((Expression<Action>)(() => YOffsetWide()));

		private static readonly MethodInfo MinDistanceSingle = SymbolExtensions.GetMethodInfo((Expression<Action>)(() => MinDistanceNarrow()));

		private static readonly MethodInfo MinDistanceDouble = SymbolExtensions.GetMethodInfo((Expression<Action>)(() => MinDistance()));

		public static float YOffset()
		{
			return DeepNorthShaderFixPlugin.WorldRadius.Value * 2f / 5f;
		}

		public static double YOffsetWide()
		{
			return (double)DeepNorthShaderFixPlugin.WorldRadius.Value * 2.0 / 5.0;
		}

		public static float MinDistanceNarrow()
		{
			return DeepNorthShaderFixPlugin.WorldRadius.Value * 6f / 5f;
		}

		public static double MinDistance()
		{
			return (double)DeepNorthShaderFixPlugin.WorldRadius.Value * 6.0 / 5.0;
		}

		private static IEnumerable<CodeInstruction> Transpiler(IEnumerable<CodeInstruction> instructions)
		{
			List<CodeInstruction> list = new List<CodeInstruction>(instructions);
			int num = 0;
			foreach (CodeInstruction item in list)
			{
				MethodInfo replacement = GetReplacement(item);
				if (!(replacement == null))
				{
					item.opcode = OpCodes.Call;
					item.operand = replacement;
					num++;
				}
			}
			if (num != 2)
			{
				DeepNorthShaderFixPlugin.Log.LogWarning((object)$"DeepNorthWaveFade: expected {2} constants, replaced {num}");
			}
			return list;
		}

		[return: <9adb7d9b-56fb-4c20-9988-0b5764d74a79>Nullable(2)]
		private static MethodInfo GetReplacement(CodeInstruction instruction)
		{
			if (instruction.opcode == OpCodes.Ldc_R4 && instruction.operand is float num)
			{
				if (num == 4000f)
				{
					return YOffsetSingle;
				}
				if (num == 12000f)
				{
					return MinDistanceSingle;
				}
			}
			else if (instruction.opcode == OpCodes.Ldc_R8 && instruction.operand is double num2)
			{
				if (num2 == 4000.0)
				{
					return YOffsetDouble;
				}
				if (num2 == 12000.0)
				{
					return MinDistanceDouble;
				}
			}
			return null;
		}
	}
	[<9adb7d9b-56fb-4c20-9988-0b5764d74a79>Nullable(0)]
	[<cebcbe21-7092-4bc7-8bb8-eca43f57f185>NullableContext(1)]
	internal static class MapDiagnostics
	{
		private const float ProbeDistance = 15000f;

		private static readonly MethodBase BiomeHeightMethod = AccessTools.Method(typeof(WorldGenerator), "GetBiomeHeight", new Type[6]
		{
			typeof(Biome),
			typeof(float),
			typeof(float),
			typeof(Color).MakeByRefType(),
			typeof(bool),
			typeof(bool)
		}, (Type[])null);

		private static readonly MethodBase BaseHeightMethod = AccessTools.Method(typeof(WorldGenerator), "GetBaseHeight", (Type[])null, (Type[])null);

		public static void Log(string message)
		{
			DeepNorthShaderFixPlugin.Log.LogWarning((object)$"[MapDiag {Time.realtimeSinceStartup:0.00}s] {message}");
		}

		public static string Describe()
		{
			//IL_00bb: Unknown result type (might be due to invalid IL or missing references)
			//IL_00c0: 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_0125: Unknown result type (might be due to invalid IL or missing references)
			string text = (((Object)(object)Minimap.instance == (Object)null) ? "minimap=null" : $"textureSize={Minimap.instance.m_textureSize} pixelSize={Minimap.instance.m_pixelSize} maxZoom={Minimap.instance.m_maxZoom} mapTexture={(((Object)(object)Minimap.instance.m_mapTexture != (Object)null) ? ((Texture)Minimap.instance.m_mapTexture).width : (-1))}");
			WorldGenerator instance = WorldGenerator.instance;
			if (instance == null)
			{
				return text + " generator=null";
			}
			Biome biome = instance.GetBiome(0f, 15000f, 0.02f, false);
			Color val = default(Color);
			float biomeHeight = instance.GetBiomeHeight(biome, 0f, 15000f, ref val, false, true);
			return $"{text} world={instance.m_world?.m_name} menu={instance.m_world?.m_menu} biome@15k={biome} height@15k={biomeHeight:0.###} biomeHeightPatch=[{Patches(BiomeHeightMethod)}] baseHeightPatch=[{Patches(BaseHeightMethod)}]";
		}

		private static string Patches(MethodBase method)
		{
			Patches patchInfo = Harmony.GetPatchInfo(method);
			if (patchInfo == null)
			{
				return "none";
			}
			return string.Format("prefix {0} postfix {1} transpiler {2}: {3}", patchInfo.Prefixes.Count, patchInfo.Postfixes.Count, patchInfo.Transpilers.Count, string.Join(",", patchInfo.Owners));
		}
	}
	[HarmonyPatch(typeof(WorldGenerator), "Initialize")]
	internal static class MapDiagnosticsInitializePatch
	{
		[HarmonyPriority(0)]
		[<cebcbe21-7092-4bc7-8bb8-eca43f57f185>NullableContext(1)]
		private static void Postfix(World world)
		{
			MapDiagnostics.Log($"WorldGenerator.Initialize world={world.m_name} menu={world.m_menu} -> {MapDiagnostics.Describe()}");
		}
	}
	[HarmonyPatch(typeof(Minimap), "Awake")]
	internal static class MapDiagnosticsAwakePatch
	{
		[HarmonyPriority(0)]
		private static void Postfix()
		{
			MapDiagnostics.Log("Minimap.Awake -> " + MapDiagnostics.Describe());
		}
	}
	[HarmonyPatch(typeof(Minimap), "GenerateWorldMap")]
	internal static class MapDiagnosticsGeneratePatch
	{
		[HarmonyPriority(800)]
		private static void Prefix()
		{
			MapDiagnostics.Log("Minimap.GenerateWorldMap called -> " + MapDiagnostics.Describe());
		}
	}
	[HarmonyPatch(typeof(Minimap), "SetMapData")]
	[<cebcbe21-7092-4bc7-8bb8-eca43f57f185>NullableContext(1)]
	[<9adb7d9b-56fb-4c20-9988-0b5764d74a79>Nullable(0)]
	internal static class MinimapLoadExplorationPatch
	{
		[HarmonyPriority(800)]
		[HarmonyBefore(new string[] { "expand_world_size" })]
		private static void Prefix(Minimap __instance, byte[] data, out int __state)
		{
			//IL_0002: Unknown result type (might be due to invalid IL or missing references)
			//IL_0008: Expected O, but got Unknown
			ZPackage val = new ZPackage(data);
			if (val.ReadInt() >= 7)
			{
				val = val.ReadCompressedPackage();
			}
			int num = val.ReadInt();
			if (num <= 0 || num > SystemInfo.maxTextureSize)
			{
				throw new InvalidDataException($"Unsupported saved minimap size: {num}");
			}
			__state = num;
			MapGeneration.UpdateTextureSize(__instance, num);
		}

		private static void Postfix(Minimap __instance, int __state)
		{
			MinimapAwake.Refresh(__instance);
			MapDiagnostics.Log($"Loaded profile exploration: savedSize={__state} finalSize={__instance.m_textureSize} pixelSize={__instance.m_pixelSize}");
		}
	}
	[HarmonyPatch(typeof(MapGeneration), "ConfigReady")]
	internal static class MinimapConfigReadyPatch
	{
		private static void Postfix(bool __result)
		{
			if (__result && !((Object)(object)Minimap.instance == (Object)null) && MinimapAwake.Refresh(Minimap.instance))
			{
				MapDiagnostics.Log("Applied EWS minimap dimensions before generation -> " + MapDiagnostics.Describe());
			}
		}
	}
	[<cebcbe21-7092-4bc7-8bb8-eca43f57f185>NullableContext(1)]
	[<9adb7d9b-56fb-4c20-9988-0b5764d74a79>Nullable(0)]
	internal sealed class ShaderBlob
	{
		public int[] Platforms = Array.Empty<int>();

		public uint[][] Offsets = Array.Empty<uint[]>();

		public uint[][] CompressedLengths = Array.Empty<uint[]>();

		public uint[][] DecompressedLengths = Array.Empty<uint[]>();

		public int BlobStart;

		public int BlobLength;

		public int ArraysStart;

		public int SuffixStart => Align4(BlobStart + BlobLength);

		public static ShaderBlob Find(byte[] data)
		{
			for (int i = 0; i + 16 <= data.Length; i += 4)
			{
				ShaderBlob shaderBlob = TryRead(data, i, data.Length);
				if (shaderBlob != null)
				{
					return shaderBlob;
				}
			}
			throw new InvalidDataException("Shader program blob not found");
		}

		[return: <9adb7d9b-56fb-4c20-9988-0b5764d74a79>Nullable(2)]
		private static ShaderBlob TryRead(byte[] b, int p, int end)
		{
			int num = ReadInt(b, p);
			if (num < 1 || num > 8)
			{
				return null;
			}
			int pos = p + 4;
			if (pos + 4 * num > end)
			{
				return null;
			}
			int[] array = new int[num];
			for (int i = 0; i < num; i++)
			{
				array[i] = ReadInt(b, pos);
				if (array[i] < 0 || array[i] > 40)
				{
					return null;
				}
				pos += 4;
			}
			int arraysStart = pos;
			uint[][] array2 = ReadArrays(b, ref pos, end, num, null);
			if (array2 == null)
			{
				return null;
			}
			uint[][] array3 = ReadArrays(b, ref pos, end, num, array2);
			if (array3 == null)
			{
				return null;
			}
			uint[][] array4 = ReadArrays(b, ref pos, end, num, array2);
			if (array4 == null)
			{
				return null;
			}
			if (pos + 4 > end)
			{
				return null;
			}
			int num2 = ReadInt(b, pos);
			int num3 = pos + 4;
			if (num2 <= 0 || (long)num3 + (long)num2 > end)
			{
				return null;
			}
			for (int j = 0; j < num; j++)
			{
				for (int k = 0; k < array2[j].Length; k++)
				{
					if ((long)array2[j][k] + (long)array3[j][k] > num2 || array3[j][k] > array4[j][k] + array4[j][k] / 255 + 16)
					{
						return null;
					}
				}
			}
			return new ShaderBlob
			{
				Platforms = array,
				Offsets = array2,
				CompressedLengths = array3,
				DecompressedLengths = array4,
				BlobStart = num3,
				BlobLength = num2,
				ArraysStart = arraysStart
			};
		}

		[return: <9adb7d9b-56fb-4c20-9988-0b5764d74a79>Nullable(new byte[] { 2, 1 })]
		private static uint[][] ReadArrays(byte[] b, ref int pos, int end, int count, [<9adb7d9b-56fb-4c20-9988-0b5764d74a79>Nullable(new byte[] { 2, 1 })] uint[][] shape)
		{
			if (pos + 4 > end || ReadInt(b, pos) != count)
			{
				return null;
			}
			pos += 4;
			uint[][] array = new uint[count][];
			for (int i = 0; i < count; i++)
			{
				if (pos + 4 > end)
				{
					return null;
				}
				int num = ReadInt(b, pos);
				if (num < 1 || num > 100000 || pos + 4 + 4L * (long)num > end)
				{
					return null;
				}
				if (shape != null && shape[i].Length != num)
				{
					return null;
				}
				pos += 4;
				array[i] = new uint[num];
				for (int j = 0; j < num; j++)
				{
					array[i][j] = (uint)ReadInt(b, pos);
					pos += 4;
				}
			}
			return array;
		}

		private static int Align4(int value)
		{
			return (value + 3) & -4;
		}

		private static int ReadInt(byte[] b, int p)
		{
			return BitConverter.ToInt32(b, p);
		}
	}
	[<9adb7d9b-56fb-4c20-9988-0b5764d74a79>Nullable(0)]
	[<cebcbe21-7092-4bc7-8bb8-eca43f57f185>NullableContext(1)]
	internal sealed class ShaderSource
	{
		public string Name = "";

		public byte[] Object = Array.Empty<byte>();

		public List<string> Externals = new List<string>();

		public static ShaderSource Read(string bundlePath, string assetPath, string name)
		{
			using FileStream stream = File.OpenRead(bundlePath);
			using BundleReader bundleReader = new BundleReader(stream);
			BundleNode serializedNode = bundleReader.GetSerializedNode();
			byte[] header = bundleReader.Read(serializedNode.Offset, 48);
			SerializedFile serializedFile = SerializedFile.Parse(bundleReader.Read(serializedNode.Offset, SerializedFile.MetadataEnd(header)));
			SerializedObject single = serializedFile.GetSingle(142);
			byte[] assetBundle = bundleReader.Read(serializedNode.Offset + serializedFile.DataOffset + single.ByteStart, (int)single.ByteSize);
			SerializedObject byPathId = serializedFile.GetByPathId(SerializedFile.FindContainerPathId(assetBundle, assetPath));
			if (byPathId.ClassId != 48)
			{
				throw new InvalidDataException(assetPath + " is not a shader");
			}
			return new ShaderSource
			{
				Name = name,
				Object = bundleReader.Read(serializedNode.Offset + serializedFile.DataOffset + byPathId.ByteStart, (int)byPathId.ByteSize),
				Externals = serializedFile.Externals
			};
		}
	}
	[<9adb7d9b-56fb-4c20-9988-0b5764d74a79>Nullable(0)]
	[<cebcbe21-7092-4bc7-8bb8-eca43f57f185>NullableContext(1)]
	internal sealed class ShaderTemplate
	{
		public BundleFile Bundle = new BundleFile();

		public byte[] Serialized = Array.Empty<byte>();

		public SerializedFile File = new SerializedFile();

		public SerializedObject Shader = new SerializedObject();

		public static ShaderTemplate Read(string bundlePath)
		{
			using FileStream stream = System.IO.File.OpenRead(bundlePath);
			using BundleReader reader = new BundleReader(stream);
			BundleFile bundleFile = BundleFile.Read(reader);
			if (bundleFile.Nodes.Count != 1)
			{
				throw new InvalidDataException("Unexpected template layout with " + bundleFile.Nodes.Count + " files");
			}
			BundleNode bundleNode = bundleFile.Nodes[0];
			byte[] array = new byte[bundleNode.Size];
			Buffer.BlockCopy(bundleFile.Data, (int)bundleNode.Offset, array, 0, (int)bundleNode.Size);
			SerializedFile serializedFile = SerializedFile.Parse(array);
			return new ShaderTemplate
			{
				Bundle = bundleFile,
				Serialized = array,
				File = serializedFile,
				Shader = serializedFile.GetSingle(48)
			};
		}
	}
	[<9adb7d9b-56fb-4c20-9988-0b5764d74a79>Nullable(0)]
	[<cebcbe21-7092-4bc7-8bb8-eca43f57f185>NullableContext(1)]
	internal static class ShaderPatcher
	{
		[<cebcbe21-7092-4bc7-8bb8-eca43f57f185>NullableContext(0)]
		private sealed class Values
		{
			private const float Tolerance = 50f;

			private readonly float _distance;

			private readonly float _offset;

			public Values(float radius)
			{
				_distance = radius * 1.2f;
				_offset = radius * 0.4f;
			}

			[<cebcbe21-7092-4bc7-8bb8-eca43f57f185>NullableContext(1)]
			public int ReplaceNear(byte[] t, int p)
			{
				float num = BitConverter.ToSingle(t, p);
				int num2 = Classify(num);
				float num3;
				switch (num2)
				{
				case 0:
					return 0;
				default:
					num3 = ((num > 0f) ? (_offset + (num - 4000f)) : (0f - _offset + (num + 4000f)));
					break;
				case 1:
					num3 = _distance + (num - 12000f);
					break;
				}
				float value = num3;
				byte[] bytes = BitConverter.GetBytes(value);
				Buffer.BlockCopy(bytes, 0, t, p, 4);
				return num2;
			}

			private static int Classify(float value)
			{
				if (Math.Abs(value - 12000f) <= 50f)
				{
					return 1;
				}
				if (Math.Abs(Math.Abs(value) - 4000f) <= 50f)
				{
					return 2;
				}
				return 0;
			}
		}

		public const float VanillaRadius = 10000f;

		private const float VanillaYOffset = 4000f;

		private const float VanillaMinDistance = 12000f;

		private const float YOffsetFactor = 0.4f;

		private const float MinDistanceFactor = 1.2f;

		private const int PlatformD3D11 = 4;

		private const uint ImmediateScalarToken = 16385u;

		private const uint ImmediateVectorToken = 16386u;

		private const int PPtrSize = 12;

		public static byte[] CreatePatchedBundle(ShaderTemplate template, ShaderSource source, float radius)
		{
			byte[] array = PatchObject(source.Object, radius);
			RemapDependencies(array, source.Externals, template.File.Externals);
			byte[] array2 = SerializedFile.ReplaceObject(template.Serialized, template.File, template.Shader, array);
			BundleNode bundleNode = template.Bundle.Nodes[0];
			BundleFile bundleFile = new BundleFile
			{
				Version = template.Bundle.Version,
				UnityVersion = template.Bundle.UnityVersion,
				UnityRevision = template.Bundle.UnityRevision,
				Flags = template.Bundle.Flags,
				Data = array2
			};
			bundleFile.Nodes.Add(new BundleNode
			{
				Offset = 0L,
				Size = array2.Length,
				Flags = bundleNode.Flags,
				Path = CreateCabName(source.Name, radius)
			});
			return bundleFile.Write();
		}

		private static byte[] PatchObject(byte[] shaderObject, float radius)
		{
			ShaderBlob shaderBlob = ShaderBlob.Find(shaderObject);
			Values values = new Values(radius);
			bool flag = false;
			byte[][][] array = new byte[shaderBlob.Platforms.Length][][];
			for (int i = 0; i < shaderBlob.Platforms.Length; i++)
			{
				int num = shaderBlob.Platforms[i];
				array[i] = new byte[shaderBlob.Offsets[i].Length][];
				for (int j = 0; j < shaderBlob.Offsets[i].Length; j++)
				{
					int num2 = (int)shaderBlob.CompressedLengths[i][j];
					int num3 = (int)shaderBlob.DecompressedLengths[i][j];
					byte[] array2 = new byte[num2];
					Buffer.BlockCopy(shaderObject, shaderBlob.BlobStart + (int)shaderBlob.Offsets[i][j], array2, 0, num2);
					array[i][j] = array2;
					if (num == 4)
					{
						byte[] array3 = new byte[num3];
						if (Lz4.Decompress(array2, 0, num2, array3, 0, num3) != num3)
						{
							throw new InvalidDataException("Shader program size mismatch");
						}
						int num4 = PatchDirect3D(array3, values);
						if (num4 <= 0)
						{
							throw new InvalidDataException("Direct3D 11 program could not be patched (code " + num4 + ")");
						}
						array[i][j] = EncodeVerified(array3);
						flag = true;
					}
				}
			}
			if (!flag)
			{
				throw new InvalidDataException("Shader has no Direct3D 11 program");
			}
			return RebuildObject(shaderObject, shaderBlob, array);
		}

		private static byte[] RebuildObject(byte[] shaderObject, ShaderBlob blob, byte[][][] chunks)
		{
			List<byte> list = new List<byte>();
			uint num = 0u;
			uint[][] array = new uint[chunks.Length][];
			uint[][] array2 = new uint[chunks.Length][];
			for (int i = 0; i < chunks.Length; i++)
			{
				array[i] = new uint[chunks[i].Length];
				array2[i] = new uint[chunks[i].Length];
				for (int j = 0; j < chunks[i].Length; j++)
				{
					array[i][j] = num;
					array2[i][j] = (uint)chunks[i][j].Length;
					num += array2[i][j];
				}
			}
			WriteArrays(list, array);
			WriteArrays(list, array2);
			WriteArrays(list, blob.DecompressedLengths);
			list.AddRange(BitConverter.GetBytes((int)num));
			foreach (byte[][] array3 in chunks)
			{
				byte[][] array4 = array3;
				foreach (byte[] collection in array4)
				{
					list.AddRange(collection);
				}
			}
			while (((blob.ArraysStart + list.Count) & 3) != 0)
			{
				list.Add(0);
			}
			int num2 = shaderObject.Length - blob.SuffixStart;
			byte[] array5 = new byte[blob.ArraysStart + list.Count + num2];
			Buffer.BlockCopy(shaderObject, 0, array5, 0, blob.ArraysStart);
			list.CopyTo(array5, blob.ArraysStart);
			Buffer.BlockCopy(shaderObject, blob.SuffixStart, array5, blob.ArraysStart + list.Count, num2);
			return array5;
		}

		private static void RemapDependencies(byte[] shaderObject, List<string> sourceExternals, List<string> targetExternals)
		{
			ShaderBlob shaderBlob = ShaderBlob.Find(shaderObject);
			int suffixStart = shaderBlob.SuffixStart;
			int num = BitConverter.ToInt32(shaderObject, suffixStart);
			suffixStart += 4 + num * 4;
			int num2 = BitConverter.ToInt32(shaderObject, suffixStart);
			suffixStart += 4;
			int num3 = 0;
			while (num3 < num2)
			{
				int num4 = BitConverter.ToInt32(shaderObject, suffixStart);
				if (num4 == 0)
				{
					throw new InvalidDataException("Shader depends on an object inside its own bundle");
				}
				if (num4 > sourceExternals.Count)
				{
					throw new InvalidDataException("Invalid shader dependency file " + num4);
				}
				int num5 = targetExternals.IndexOf(sourceExternals[num4 - 1]);
				if (num5 < 0)
				{
					throw new InvalidDataException("Shader dependency not available: " + sourceExternals[num4 - 1]);
				}
				Buffer.BlockCopy(BitConverter.GetBytes(num5 + 1), 0, shaderObject, suffixStart, 4);
				num3++;
				suffixStart += 12;
			}
			if (BitConverter.ToInt32(shaderObject, suffixStart) != 0)
			{
				throw new InvalidDataException("Shader textures are not supported");
			}
		}

		private static byte[] EncodeVerified(byte[] program)
		{
			byte[] array = Lz4.Encode(program);
			byte[] array2 = new byte[program.Length];
			if (Lz4.Decompress(array, 0, array.Length, array2, 0, array2.Length) != program.Length)
			{
				throw new InvalidDataException("LZ4 encode size mismatch");
			}
			for (int i = 0; i < program.Length; i++)
			{
				if (array2[i] != program[i])
				{
					throw new InvalidDataException("LZ4 encode mismatch");
				}
			}
			return array;
		}

		private static void WriteArrays(List<byte> list, uint[][] arrays)
		{
			list.AddRange(BitConverter.GetBytes(arrays.Length));
			foreach (uint[] array in arrays)
			{
				list.AddRange(BitConverter.GetBytes(array.Length));
				uint[] array2 = array;
				foreach (uint value in array2)
				{
					list.AddRange(BitConverter.GetBytes(value));
				}
			}
		}

		private static int PatchDirect3D(byte[] t, Values values)
		{
			int distanceCount = 0;
			int offsetCount = 0;
			for (int i = 0; i + 32 <= t.Length; i++)
			{
				if (t[i] != 68 || t[i + 1] != 88 || t[i + 2] != 66 || t[i + 3] != 67)
				{
					continue;
				}
				int num = BitConverter.ToInt32(t, i + 24);
				if (num < 32 || (long)i + (long)num > t.Length)
				{
					continue;
				}
				if (!DxbcChecksum.Matches(t, i, num))
				{
					return -2;
				}
				int num2 = 0;
				int num3 = BitConverter.ToInt32(t, i + 28);
				for (int j = 0; j < num3; j++)
				{
					int num4 = i + BitConverter.ToInt32(t, i + 32 + 4 * j);
					if (IsShaderCode(t, num4))
					{
						int val = num4 + 8 + BitConverter.ToInt32(t, num4 + 4);
						num2 += PatchImmediates(t, num4 + 16, Math.Min(val, i + num), values, ref distanceCount, ref offsetCount);
					}
				}
				if (num2 > 0)
				{
					DxbcChecksum.Write(t, i, num);
				}
				i += num - 1;
			}
			if (distanceCount == 0 || offsetCount == 0)
			{
				return -3;
			}
			return distanceCount + offsetCount;
		}

		private static bool IsShaderCode(byte[] t, int chunk)
		{
			if (t[chunk] != 83 || t[chunk + 1] != 72)
			{
				return false;
			}
			return (t[chunk + 2] == 69 && t[chunk + 3] == 88) || (t[chunk + 2] == 68 && t[chunk + 3] == 82);
		}

		private static int PatchImmediates(byte[] t, int start, int end, Values values, ref int distanceCount, ref int offsetCount)
		{
			int num = 0;
			int num2 = start;
			while (num2 + 4 <= end)
			{
				int num3 = BitConverter.ToUInt32(t, num2) switch
				{
					16386u => 4, 
					16385u => 1, 
					_ => 0, 
				};
				num2 += 4;
				if (num3 == 0 || num2 + 4 * num3 > end)
				{
					continue;
				}
				int num4 = 0;
				while (num4 < num3)
				{
					int num5 = values.ReplaceNear(t, num2);
					switch (num5)
					{
					case 1:
						distanceCount++;
						break;
					case 2:
						offsetCount++;
						break;
					}
					if (num5 != 0)
					{
						num++;
					}
					num4++;
					num2 += 4;
				}
			}
			return num;
		}

		private static string CreateCabName(string name, float radius)
		{
			using MD5 mD = MD5.Create();
			byte[] array = mD.ComputeHash(Encoding.UTF8.GetBytes(name + "|DeepNorthShaderFix|" + radius.ToString("R")));
			StringBuilder stringBuilder = new StringBuilder("CAB-");
			byte[] array2 = array;
			foreach (byte b in array2)
			{
				stringBuilder.Append(b.ToString("x2"));
			}
			return stringBuilder.ToString();
		}
	}
	[<cebcbe21-7092-4bc7-8bb8-eca43f57f185>NullableContext(1)]
	[<9adb7d9b-56fb-4c20-9988-0b5764d74a79>Nullable(0)]
	internal static class DxbcChecksum
	{
		public static bool Matches(byte[] data, int offset, int size)
		{
			uint[] array = Compute(data, offset, size);
			for (int i = 0; i < 4; i++)
			{
				if (BitConverter.ToUInt32(data, offset + 4 + 4 * i) != array[i])
				{
					return false;
				}
			}
			return true;
		}

		public static void Write(byte[] data, int offset, int size)
		{
			uint[] array = Compute(data, offset, size);
			for (int i = 0; i < 4; i++)
			{
				Buffer.BlockCopy(BitConverter.GetBytes(array[i]), 0, data, offset + 4 + 4 * i, 4);
			}
		}

		private static uint[] Compute(byte[] data, int offset, int size)
		{
			uint[] array = new uint[4] { 1732584193u, 4023233417u, 2562383102u, 271733878u };
			uint[] array2 = new uint[16];
			int num = offset + 20;
			int num2 = size - 20;
			int num3 = num2 / 64;
			int num4 = num2 % 64;
			for (int i = 0; i < num3; i++)
			{
				Load(data, num + i * 64, array2);
				Md5.Transform(array, array2);
			}
			uint num5 = (uint)(num2 * 8);
			int srcOffset = num + num3 * 64;
			byte[] array3 = new byte[64];
			if (num4 >= 56)
			{
				Buffer.BlockCopy(data, srcOffset, array3, 0, num4);
				array3[num4] = 128;
				Load(array3, 0, array2);
				Md5.Transform(array, array2);
				Array.Clear(array2, 0, 16);
				array2[0] = num5;
				array2[15] = (num5 >> 2) | 1;
				Md5.Transform(array, array2);
			}
			else
			{
				Buffer.BlockCopy(BitConverter.GetBytes(num5), 0, array3, 0, 4);
				Buffer.BlockCopy(data, srcOffset, array3, 4, num4);
				array3[4 + num4] = 128;
				Buffer.BlockCopy(BitConverter.GetBytes((num5 >> 2) | 1), 0, array3, 60, 4);
				Load(array3, 0, array2);
				Md5.Transform(array, array2);
			}
			return array;
		}

		private static void Load(byte[] data, int offset, uint[] block)
		{
			for (int i = 0; i < 16; i++)
			{
				block[i] = BitConverter.ToUInt32(data, offset + 4 * i);
			}
		}
	}
	[<9adb7d9b-56fb-4c20-9988-0b5764d74a79>Nullable(0)]
	[<cebcbe21-7092-4bc7-8bb8-eca43f57f185>NullableContext(1)]
	internal static class Md5
	{
		private static readonly int[] Shifts = new int[64]
		{
			7, 12, 17, 22, 7, 12, 17, 22, 7, 12,
			17, 22, 7, 12, 17, 22, 5, 9, 14, 20,
			5, 9, 14, 20, 5, 9, 14, 20, 5, 9,
			14, 20, 4, 11, 16, 23, 4, 11, 16, 23,
			4, 11, 16, 23, 4, 11, 16, 23, 6, 10,
			15, 21, 6, 10, 15, 21, 6, 10, 15, 21,
			6, 10, 15, 21
		};

		private static readonly uint[] Constants = CreateConstants();

		private static uint[] CreateConstants()
		{
			uint[] array = new uint[64];
			for (int i = 0; i < 64; i++)
			{
				array[i] = (uint)(long)Math.Floor(Math.Abs(Math.Sin(i + 1)) * 4294967296.0);
			}
			return array;
		}

		public static void Transform(uint[] state, uint[] m)
		{
			uint num = state[0];
			uint num2 = state[1];
			uint num3 = state[2];
			uint num4 = state[3];
			for (int i = 0; i < 64; i++)
			{
				uint num5;
				int num6;
				if (i < 16)
				{
					num5 = (num2 & num3) | (~num2 & num4);
					num6 = i;
				}
				else if (i < 32)
				{
					num5 = (num4 & num2) | (~num4 & num3);
					num6 = (5 * i + 1) & 0xF;
				}
				else if (i < 48)
				{
					num5 = num2 ^ num3 ^ num4;
					num6 = (3 * i + 5) & 0xF;
				}
				else
				{
					num5 = num3 ^ (num2 | ~num4);
					num6 = (7 * i) & 0xF;
				}
				uint num7 = num4;
				num4 = num3;
				num3 = num2;
				uint num8 = num + num5 + Constants[i] + m[num6];
				num2 += (num8 << Shifts[i]) | (num8 >> 32 - Shifts[i]);
				num = num7;
			}
			state[0] += num;
			state[1] += num2;
			state[2] += num3;
			state[3] += num4;
		}
	}
	internal sealed class SerializedObject
	{
		public long PathId;

		public long ByteStart;

		public uint ByteSize;

		public int TypeIndex;

		public int ClassId;

		public int EntryPos;
	}
	[<9adb7d9b-56fb-4c20-9988-0b5764d74a79>Nullable(0)]
	[<cebcbe21-7092-4bc7-8bb8-eca43f57f185>NullableContext(1)]
	internal sealed class SerializedFile
	{
		public const int HeaderSize = 48;

		public const int ShaderClassId = 48;

		public const int AssetBundleClassId = 142;

		private const int MinVersion = 22;

		private const int MonoBehaviourClassId = 114;

		public uint Version;

		public long DataOffset;

		public List<SerializedObject> Objects = new List<SerializedObject>();

		public List<string> Externals = new List<string>();

		public static int MetadataEnd(byte[] header)
		{
			int pos = 20;
			return (int)(48 + BundleReader.ReadUInt32BE(header, ref pos));
		}

		public static SerializedFile Parse(byte[] b)
		{
			int pos = 8;
			SerializedFile serializedFile = new SerializedFile
			{
				Version = BundleReader.ReadUInt32BE(b, ref pos)
			};
			if (serializedFile.Version < 22)
			{
				throw new InvalidDataException("Unsupported serialized file version " + serializedFile.Version);
			}
			if (b[16] != 0)
			{
				throw new InvalidDataException("Big endian serialized file is not supported");
			}
			pos = 32;
			serializedFile.DataOffset = BundleReader.ReadInt64BE(b, ref pos);
			pos = 48;
			BundleReader.ReadString(b, ref pos);
			pos += 4;
			bool flag = b[pos++] != 0;
			int num = ReadInt32(b, ref pos);
			int[] array = new int[num];
			for (int i = 0; i < num; i++)
			{
				array[i] = ReadInt32(b, ref pos);
				pos += 3;
				if (array[i] == 114)
				{
					pos += 16;
				}
				pos += 16;
				if (flag)
				{
					int num2 = ReadInt32(b, ref pos);
					int num3 = ReadInt32(b, ref pos);
					pos += num2 * 32 + num3;
					int num4 = ReadInt32(b, ref pos);
					pos += num4 * 4;
				}
			}
			int num5 = ReadInt32(b, ref pos);
			for (int j = 0; j < num5; j++)
			{
				pos = Align4(pos);
				SerializedObject serializedObject = new SerializedObject
				{
					EntryPos = pos
				};
				serializedObject.PathId = ReadInt64(b, ref pos);
				serializedObject.ByteStart = ReadInt64(b, ref pos);
				serializedObject.ByteSize = (uint)ReadInt32(b, ref pos);
				serializedObject.TypeIndex = ReadInt32(b, ref pos);
				if (serializedObject.TypeIndex < 0 || serializedObject.TypeIndex >= num)
				{
					throw new InvalidDataException("Invalid object type index");
				}
				serializedObject.ClassId = array[serializedObject.TypeIndex];
				serializedFile.Objects.Add(serializedObject);
			}
			int num6 = ReadInt32(b, ref pos);
			for (int k = 0; k < num6; k++)
			{
				pos += 4;
				pos = Align4(pos);
				pos += 8;
			}
			int num7 = ReadInt32(b, ref pos);
			for (int l = 0; l < num7; l++)
			{
				BundleReader.ReadString(b, ref pos);
				pos += 20;
				serializedFile.Externals.Add(BundleReader.ReadString(b, ref pos));
			}
			return serializedFile;
		}

		public SerializedObject GetSingle(int classId)
		{
			SerializedObject serializedObject = null;
			foreach (SerializedObject @object in Objects)
			{
				if (@object.ClassId == classId)
				{
					if (serializedObject != null)
					{
						throw new InvalidDataException("More than one object of class " + classId);
					}
					serializedObject = @object;
				}
			}
			return serializedObject ?? throw new InvalidDataException("No object of class " + classId);
		}

		public SerializedObject GetByPathId(long pathId)
		{
			foreach (SerializedObject @object in Objects)
			{
				if (@object.PathId == pathId)
				{
					return @object;
				}
			}
			throw new InvalidDataException("Object " + pathId + " not found");
		}

		public static long FindContainerPathId(byte[] assetBundle, string assetPath)
		{
			int pos = 0;
			ReadAlignedString(assetBundle, ref pos);
			int num = ReadInt32(assetBundle, ref pos);
			pos += num * 12;
			int num2 = ReadInt32(assetBundle, ref pos);
			for (int i = 0; i < num2; i++)
			{
				string a = ReadAlignedString(assetBundle, ref pos);
				pos += 8;
				int num3 = ReadInt32(assetBundle, ref pos);
				long result = ReadInt64(assetBundle, ref pos);
				if (num3 == 0 && string.Equals(a, assetPath, StringComparison.OrdinalIgnoreCase))
				{
					return result;
				}
			}
			throw new InvalidDataException(assetPath + " not found in the bundle container");
		}

		public static byte[] ReplaceObject(byte[] original, SerializedFile file, SerializedObject target, byte[] newObject)
		{
			long num = file.DataOffset + target.ByteStart;
			long num2 = num + target.ByteSize;
			long num3 = newObject.Length - target.ByteSize;
			long num4 = (num3 + 7) & -8;
			byte[] array = new byte[original.Length + num4];
			Buffer.BlockCopy(original, 0, array, 0, (int)num);
			Buffer.BlockCopy(newObject, 0, array, (int)num, newObject.Length);
			Buffer.BlockCopy(original, (int)num2, array, (int)(num2 + num4), (int)(original.Length - num2));
			foreach (SerializedObject @object in file.Objects)
			{
				if (@object == target)
				{
					WriteInt32(array, @object.EntryPos + 16, newObject.Length);
				}
				else if (@object.ByteStart > target.ByteStart)
				{
					WriteInt64(array, @object.EntryPos + 8, @object.ByteStart + num4);
				}
			}
			int pos = 24;
			long num5 = BundleReader.ReadInt64BE(original, ref pos);
			WriteInt64BE(array, 24, num5 + num4);
			int pos2 = 4;
			uint num6 = BundleReader.ReadUInt32BE(original, ref pos2);
			if (num6 != 0)
			{
				WriteUInt32BE(array, 4, (uint)(num6 + num4));
			}
			return array;
		}

		private static string ReadAlignedString(byte[] b, ref int pos)
		{
			int num = ReadInt32(b, ref pos);
			string result = Encoding.UTF8.GetString(b, pos, num);
			pos = Align4(pos + num);
			return result;
		}

		private static int Align4(int pos)
		{
			return (pos + 3) & -4;
		}

		private static int ReadInt32(byte[] b, ref int pos)
		{
			int result = BitConverter.ToInt32(b, pos);
			pos += 4;
			return result;
		}

		private static long ReadInt64(byte[] b, ref int pos)
		{
			long result = BitConverter.ToInt64(b, pos);
			pos += 8;
			return result;
		}

		private static void WriteInt32(byte[] b, int pos, int v)
		{
			Buffer.BlockCopy(BitConverter.GetBytes(v), 0, b, pos, 4);
		}

		private static void WriteInt64(byte[] b, int pos, long v)
		{
			Buffer.BlockCopy(BitConverter.GetBytes(v), 0, b, pos, 8);
		}

		private static void WriteUInt32BE(byte[] b, int pos, uint v)
		{
			for (int i = 0; i < 4; i++)
			{
				b[pos + i] = (byte)(v >> 24 - 8 * i);
			}
		}

		private static void WriteInt64BE(byte[] b, int pos, long v)
		{
			for (int i = 0; i < 8; i++)
			{
				b[pos + i] = (byte)(v >> 56 - 8 * i);
			}
		}
	}
	internal sealed class BundleNode
	{
		public long Offset;

		public long Size;

		public uint Flags;

		[<9adb7d9b-56fb-4c20-9988-0b5764d74a79>Nullable(1)]
		public string Path = "";
	}
	[<cebcbe21-7092-4bc7-8bb8-eca43f57f185>NullableContext(1)]
	[<9adb7d9b-56fb-4c20-9988-0b5764d74a79>Nullable(0)]
	internal sealed class BundleReader : IDisposable
	{
		private const uint CompressionMask = 63u;

		private const uint BlocksInfoAtEnd = 128u;

		private const uint BlockInfoPaddingAtStart = 512u;

		private const uint SerializedFileFlag = 4u;

		private const int HeaderReadSize = 256;

		private readonly Stream _stream;

		private readonly long[] _compressedOffsets;

		private readonly long[] _uncompressedOffsets;

		private readonly uint[] _compressedSizes;

		private readonly uint[] _uncompressedSizes;

		private readonly ushort[] _blockFlags;

		private int _cachedBlock = -1;

		private byte[] _cachedData = Array.Empty<byte>();

		public uint Version { get; }

		public string UnityVersion { get; }

		public string UnityRevision { get; }

		public uint Flags { get; }

		public long TotalSize { get; }

		public List<BundleNode> Nodes { get; } = new List<BundleNode>();

		public BundleReader(Stream stream)
		{
			_stream = stream;
			byte[] b = ReadAt(0L, (int)Math.Min(256L, stream.Length));
			int pos = 0;
			string text = ReadString(b, ref pos);
			if (text != "UnityFS")
			{
				throw new InvalidDataException("Not a UnityFS bundle: " + text);
			}
			Version = ReadUInt32BE(b, ref pos);
			UnityVersion = ReadString(b, ref pos);
			UnityRevision = ReadString(b, ref pos);
			ReadInt64BE(b, ref pos);
			int num = (int)ReadUInt32BE(b, ref pos);
			int uncompressedSize = (int)ReadUInt32BE(b, ref pos);
			Flags = ReadUInt32BE(b, ref pos);
			if (Version >= 7)
			{
				pos = Align16(pos);
			}
			long num2 = (((Flags & 0x80) != 0) ? (stream.Length - num) : pos);
			byte[] b2 = Decompress(ReadAt(num2, num), uncompressedSize, Flags & 0x3F);
			long num3 = (((Flags & 0x80) != 0) ? pos : (num2 + num));
			if ((Flags & 0x200) != 0)
			{
				num3 = (num3 + 15) & -16;
			}
			int pos2 = 16;
			int num4 = (int)ReadUInt32BE(b2, ref pos2);
			_compressedOffsets = new long[num4];
			_uncompressedOffsets = new long[num4];
			_compressedSizes = new uint[num4];
			_uncompressedSizes = new uint[num4];
			_blockFlags = new ushort[num4];
			long num5 = num3;
			long num6 = 0L;
			for (int i = 0; i < num4; i++)
			{
				_uncompressedSizes[i] = ReadUInt32BE(b2, ref pos2);
				_compressedSizes[i] = ReadUInt32BE(b2, ref pos2);
				_blockFlags[i] = ReadUInt16BE(b2, ref pos2);
				_compressedOffsets[i] = num5;
				_uncompressedOffsets[i] = num6;
				num5 += _compressedSizes[i];
				num6 += _uncompressedSizes[i];
			}
			TotalSize = num6;
			int num7 = (int)ReadUInt32BE(b2, ref pos2);
			for (int j = 0; j < num7; j++)
			{
				Nodes.Add(new BundleNode
				{
					Offset = ReadInt64BE(b2, ref pos2),
					Size = ReadInt64BE(b2, ref pos2),
					Flags = ReadUInt32BE(b2, ref pos2),
					Path = ReadString(b2, ref pos2)
				});
			}
		}

		public BundleNode GetSerializedNode()
		{
			foreach (BundleNode node in Nodes)
			{
				if ((node.Flags & 4) != 0)
				{
					return node;
				}
			}
			throw new InvalidDataException("Bundle has no serialized file");
		}

		public byte[] Read(long offset, int length)
		{
			if (offset < 0 || offset + length > TotalSize)
			{
				throw new InvalidDataException("Bundle read out of range");
			}
			byte[] array = new byte[length];
			int num = FindBlock(offset);
			int num2 = 0;
			while (num2 < length)
			{
				byte[] block = GetBlock(num);
				long num3 = _uncompressedOffsets[num];
				int num4 = (int)(offset + num2 - num3);
				int num5 = Math.Min(block.Length - num4, length - num2);
				Buffer.BlockCopy(block, num4, array, num2, num5);
				num2 += num5;
				num++;
			}
			return array;
		}

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

		private int FindBlock(long offset)
		{
			int num = 0;
			int num2 = _uncompressedOffsets.Length - 1;
			while (num < num2)
			{
				int num3 = (num + num2 + 1) / 2;
				if (_uncompressedOffsets[num3] <= offset)
				{
					num = num3;
				}
				else
				{
					num2 = num3 - 1;
				}
			}
			return num;
		}

		private byte[] GetBlock(int index)
		{
			if (index == _cachedBlock)
			{
				return _cachedData;
			}
			byte[] src = ReadAt(_compressedOffsets[index], (int)_compressedSizes[index]);
			_cachedData = Decompress(src, (int)_uncompressedSizes[index], (uint)(_blockFlags[index] & 0x3F));
			_cachedBlock = index;
			return _cachedData;
		}

		private byte[] ReadAt(long position, int length)
		{
			byte[] array = new byte[length];
			_stream.Position = position;
			int num;
			for (int i = 0; i < length; i += num)
			{
				num = _stream.Read(array, i, length - i);
				if (num <= 0)
				{
					throw new EndOfStreamException();
				}
			}
			return array;
		}

		private static byte[] Decompress(byte[] src, int uncompressedSize, uint compression)
		{
			switch (compression)
			{
			case 0u:
				return src;
			default:
				if (compression != 3)
				{
					throw new InvalidDataException("Unsupported bundle compression " + compression);
				}
				break;
			case 2u:
				break;
			}
			byte[] array = new byte[uncompressedSize];
			if (Lz4.Decompress(src, 0, src.Length, array, 0, uncompressedSize) != uncompressedSize)
			{
				throw new InvalidDataException("LZ4 size mismatch");
			}
			return array;
		}

		private static int Align16(int pos)
		{
			return (pos + 15) & -16;
		}

		internal static string ReadString(byte[] b, ref int pos)
		{
			int num = pos;
			while (b[pos] != 0)
			{
				pos++;
			}
			string result = Encoding.UTF8.GetString(b, num, pos - num);
			pos++;
			return result;
		}

		internal static uint ReadUInt32BE(byte[] b, ref int pos)
		{
			uint result = (uint)((b[pos] << 24) | (b[pos + 1] << 16) | (b[pos + 2] << 8) | b[pos + 3]);
			pos += 4;
			return result;
		}

		private static ushort ReadUInt16BE(byte[] b, ref int pos)
		{
			ushort result = (ushort)((b[pos] << 8) | b[pos + 1]);
			pos += 2;
			return result;
		}

		internal static long ReadInt64BE(byte[] b, ref int pos)
		{
			long num = 0L;
			for (int i = 0; i < 8; i++)
			{
				num = (num << 8) | b[pos + i];
			}
			pos += 8;
			return num;
		}
	}
	[<cebcbe21-7092-4bc7-8bb8-eca43f57f185>NullableContext(1)]
	[<9adb7d9b-56fb-4c20-9988-0b5764d74a79>Nullable(0)]
	internal sealed class BundleFile
	{
		private const uint CompressionMask = 63u;

		private const uint BlocksInfoAtEnd = 128u;

		private const uint BlocksAndDirectoryCombined = 64u;

		private const uint BlockInfoPaddingAtStart = 512u;

		public uint Version;

		public string UnityVersion = "";

		public string UnityRevision = "";

		public uint Flags;

		public List<BundleNode> Nodes = new List<BundleNode>();

		public byte[] Data = Array.Empty<byte>();

		public static BundleFile Read(BundleReader reader)
		{
			BundleFile bundleFile = new BundleFile
			{
				Version = reader.Version,
				UnityVersion = reader.UnityVersion,
				UnityRevision = reader.UnityRevision,
				Flags = reader.Flags,
				Data = reader.Read(0L, (int)reader.TotalSize)
			};
			bundleFile.Nodes.AddRange(reader.Nodes);
			return bundleFile;
		}

		public byte[] Write()
		{
			uint num = (Flags & 0xFFFFFF40u) | 0x40;
			List<byte> list = new List<byte>();
			list.AddRange(new byte[16]);
			WriteUInt32BE(list, 1u);
			WriteUInt32BE(list, (uint)Data.Length);
			WriteUInt32BE(list, (uint)Data.Length);
			WriteUInt16BE(list, 0);
			WriteUInt32BE(list, (uint)Nodes.Count);
			foreach (BundleNode node in Nodes)
			{
				WriteInt64BE(list, node.Offset);
				WriteInt64BE(list, node.Size);
				WriteUInt32BE(list, node.Flags);
				WriteString(list, node.Path);
			}
			List<byte> list2 = new List<byte>();
			WriteString(list2, "UnityFS");
			WriteUInt32BE(list2, Version);
			WriteString(list2, UnityVersion);
			WriteString(list2, UnityRevision);
			int count = list2.Count;
			WriteInt64BE(list2, 0L);
			WriteUInt32BE(list2, (uint)list.Count);
			WriteUInt32BE(list2, (uint)list.Count);
			WriteUInt32BE(list2, num);
			if (Version >= 7)
			{
				Pad16(list2);
			}
			list2.AddRange(list);
			if ((num & 0x200) != 0)
			{
				Pad16(list2);
			}
			long num2 = (long)list2.Count + (long)Data.Length;
			byte[] array = new byte[num2];
			list2.CopyTo(array);
			for (int i = 0; i < 8; i++)
			{
				array[count + i] = (byte)(num2 >> 56 - 8 * i);
			}
			Buffer.BlockCopy(Data, 0, array, list2.Count, Data.Length);
			return array;
		}

		private static void Pad16(List<byte> list)
		{
			while ((list.Count & 0xF) != 0)
			{
				list.Add(0);
			}
		}

		private static void WriteString(List<byte> list, string s)
		{
			list.AddRange(Encoding.UTF8.GetBytes(s));
			list.Add(0);
		}

		private static void WriteUInt32BE(List<byte> list, uint v)
		{
			list.Add((byte)(v >> 24));
			list.Add((byte)(v >> 16));
			list.Add((byte)(v >> 8));
			list.Add((byte)v);
		}

		private static void WriteUInt16BE(List<byte> list, ushort v)
		{
			list.Add((byte)(v >> 8));
			list.Add((byte)v);
		}

		private static void WriteInt64BE(List<byte> list, long v)
		{
			for (int i = 0; i < 8; i++)
			{
				list.Add((byte)(v >> 56 - 8 * i));
			}
		}
	}
	[<cebcbe21-7092-4bc7-8bb8-eca43f57f185>NullableContext(1)]
	[<9adb7d9b-56fb-4c20-9988-0b5764d74a79>Nullable(0)]
	internal static class Lz4
	{
		private const int MinMatch = 4;

		private const int HashBits = 16;

		private const int MaxOffset = 65535;

		private const int LastLiterals = 5;

		private const int MatchSearchLimit = 12;

		public static byte[] Encode(byte[] data)
		{
			int num = data.Length;
			byte[] output = new byte[num + num / 255 + 16];
			int[] array = new int[65536];
			for (int i = 0; i < array.Length; i++)
			{
				array[i] = -1;
			}
			int o = 0;
			int num2 = 0;
			int num3 = 0;
			int num4 = num - 12;
			while (num3 < num4)
			{
				uint num5 = BitConverter.ToUInt32(data, num3);
				int num6 = (int)num5 * -1640531535 >>> 16;
				int num7 = array[num6];
				array[num6] = num3;
				if (num7 < 0 || num3 - num7 > 65535 || BitConverter.ToUInt32(data, num7) != num5)
				{
					num3++;
					continue;
				}
				int j = 4;
				for (int num8 = num - 5 - num3; j < num8 && data[num7 + j] == data[num3 + j]; j++)
				{
				}
				o = WriteSequence(output, o, data, num2, num3 - num2, num3 - num7, j);
				num3 += j;
				num2 = num3;
			}
			return Finish(output, o, data, num2, num - num2);
		}

		private static int WriteSequence(byte[] output, int o, byte[] data, int literalStart, int literalLength, int offset, int matchLength)
		{
			int num = o++;
			int num2 = matchLength - 4;
			int num3 = (Math.Min(literalLength, 15) << 4) | Math.Min(num2, 15);
			output[num] = (byte)num3;
			o = WriteLength(output, o, literalLength);
			Buffer.BlockCopy(data, literalStart, output, o, literalLength);
			o += literalLength;
			output[o++] = (byte)offset;
			output[o++] = (byte)(offset >> 8);
			return WriteLength(output, o, num2);
		}

		private static byte[] Finish(byte[] output, int o, byte[] data, int literalStart, int literalLength)
		{
			output[o++] = (byte)(Math.Min(literalLength, 15) << 4);
			o = WriteLength(output, o, literalLength);
			Buffer.BlockCopy(data, literalStart, output, o, literalLength);
			o += literalLength;
			byte[] array = new byte[o];
			Buffer.BlockCopy(output, 0, array, 0, o);
			return array;
		}

		private static int WriteLength(byte[] output, int o, int length)
		{
			if (length < 15)
			{
				return o;
			}
			int num;
			for (num = length - 15; num >= 255; num -= 255)
			{
				output[o++] = byte.MaxValue;
			}
			output[o++] = (byte)num;
			return o;
		}

		public static int Decompress(byte[] src, int srcOffset, int srcLength, byte[] dst, int dstOffset, int dstLength)
		{
			int num = srcOffset;
			int num2 = srcOffset + srcLength;
			int num3 = dstOffset;
			int num4 = dstOffset + dstLength;
			while (num < num2)
			{
				int num5 = src[num++];
				int num6 = num5 >> 4;
				if (num6 == 15)
				{
					int num7;
					do
					{
						num7 = src[num++];
						num6 += num7;
					}
					while (num7 == 255);
				}
				if (num + num6 > num2 || num3 + num6 > num4)
				{
					throw new InvalidDataException("LZ4 literal out of range");
				}
				Buffer.BlockCopy(src, num, dst, num3, num6);
				num += num6;
				num3 += num6;
				if (num >= num2)
				{
					break;
				}
				int num8 = src[num] | (src[num + 1] << 8);
				num += 2;
				int num9 = num5 & 0xF;
				if (num9 == 15)
				{
					int num10;
					do
					{
						num10 = src[num++];
						num9 += num10;
					}
					while (num10 == 255);
				}
				num9 += 4;
				int num11 = num3 - num8;
				if (num8 == 0 || num11 < dstOffset || num3 + num9 > num4)
				{
					throw new InvalidDataException("LZ4 match out of range");
				}
				for (int i = 0; i < num9; i++)
				{
					dst[num3++] = dst[num11++];
				}
			}
			return num3 - dstOffset;
		}
	}
}
namespace Microsoft.CodeAnalysis
{
	[Embedded]
	[CompilerGenerated]
	internal sealed class EmbeddedAttribute : Attribute
	{
	}
}
namespace System.Runtime.CompilerServices
{
	[AttributeUsage(AttributeTargets.Class | AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Event | AttributeTargets.Parameter | AttributeTargets.ReturnValue | AttributeTargets.GenericParameter, AllowMultiple = false, Inherited = false)]
	[Embedded]
	[CompilerGenerated]
	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]
	[AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct | AttributeTargets.Method | AttributeTargets.Interface | AttributeTargets.Delegate, AllowMultiple = false, Inherited = false)]
	[Embedded]
	internal sealed class NullableContextAttribute : Attribute
	{
		public readonly byte Flag;

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

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

		public bool SynchronizedConfig = true;

		public abstract ConfigEntryBase BaseConfig { get; }
	}
	[PublicAPI]
	internal 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;
			}
		}
	}
	internal 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]
	internal 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]
	internal 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> adminPeer = ZNet.instance.GetPeers().Where(delegate(ZNetPeer p)
							{
								string hostName = p.m_rpc.GetSocket().GetHostName();
								return ((object)listContainsId == null) ? adminList.Contains(hostName) : ((bool)listContainsId.Invoke(ZNet.instance, new object[2] { adminList, hostName }));
							}).ToList();
							List<ZNetPeer> nonAdminPeer = ZNet.instance.GetPeers().Except(adminPeer).ToList();
							SendAdmin(nonAdminPeer, isAdmin: false);
							SendAdmin(adminPeer, 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 = false;

				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_0057: Unknown result type (might be due to invalid IL or missing references)
					//IL_005d: 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_0078: Unknown result type (might be due to invalid IL or missing references)
				//IL_007e: Invalid comparison between Unknown and I4
				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> entries = new List<PackageEntry>();
						if (configSync.CurrentVersion != null)
						{
							entries.Add(new PackageEntry
							{
								section = "Internal",
								key = "serverversion",
								type = typeof(string),
								value = configSync.CurrentVersion
							});
						}
						MethodInfo listContainsId = AccessTools.DeclaredMethod(typeof(ZNet), "ListContainsId", (Type[])null, (Type[])null);
						SyncedList adminList = (SyncedList)AccessTools.DeclaredField(typeof(ZNet), "m_adminList").GetValue(ZNet.instance);
						entries.Add(new PackageEntry
						{
							section = "Internal",
							key = "lockexempt",
							type = typeof(bool),
							value = (((object)listContainsId == null) ? ((object)adminList.Contains(rpc.GetSocket().GetHostName())) : listContainsId.Invoke(ZNet.instance, new object[2]
							{
								adminList,
								rpc.GetSocket().GetHostName()
							}))
						});
						ZPackage package = ConfigsToPackage(configSync.allConfigs.Select((OwnConfigEntryBase c) => c.BaseConfig), configSync.allCustomValues, entries, partial: false);
						yield return ((MonoBehaviour)__instance).StartCoroutine(configSync.sendZPackage(new List<ZNetPeer> { peer }, package));
					}
					SendBufferedData();
				}
			}
		}

		private class PackageEntry
		{
			public string section = null;

			public string key = null;

			public Type type = null;

			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 = null;

			public string received = null;

			public string field = "";
		}

		public static bool ProcessingServerUpdate;

		public readonly string Name;

		public string? DisplayName;

		public string? CurrentVersion;

		public string? MinimumRequiredVersion;

		public bool ModRequired = false;

		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 = null;

		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_0052;
					}
					num = ((IConvertible)lockedConfig.BaseConfig.BoxedValue).ToInt32(CultureInfo.InvariantCulture) != 0;
				}
				else
				{
					num = flag == true;
				}
				if (!num)
				{
					goto IL_0052;
				}
				int result = ((!lockExempt) ? 1 : 0);
				goto IL_0053;
				IL_0052:
				result = 0;
				goto IL_0053;
				IL_0053:
				return (byte)result != 0;
			}
			set
			{
				forceConfigLocking = value;
			}
		}

		public bool IsAdmin => lockExempt || isSourceOfTruth;

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

		public bool InitialSyncDone { get; private set; } = false;

		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_0076: Unknown result type (might be due to invalid IL or missing references)
			//IL_007d: Expected O, but got Unknown
			//IL_0250: Unknown result type (might be due to invalid IL or missing references)
			//IL_0257: Expected O, but got Unknown
			//IL_01ea: Unknown result type (might be due to invalid IL or missing references)
			//IL_01f1: 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)
				{
					byte[] buffer = package.ReadByteArray();
					MemoryStream stream = new MemoryStream(buffer);
					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;
			}
			return configSync.IsSourceOfTruth || !config.SynchronizedConfig || config.LocalBaseValue == null || (!configSync.IsLocked && (config != configSync.lockedConfig || lockExempt));
		}

		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;
			}