using System;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Linq.Expressions;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.Versioning;
using System.Security;
using System.Security.Permissions;
using System.Text;
using BepInEx;
using BepInEx.Logging;
using HG;
using HarmonyLib;
using IL.RoR2;
using Microsoft.CodeAnalysis;
using Mono.Cecil.Cil;
using MonoMod.Cil;
using MonoMod.RuntimeDetour;
using R2API.Utils;
using RoR2;
using TMPro;
using UnityEngine;

[assembly: CompilationRelaxations(8)]
[assembly: RuntimeCompatibility(WrapNonExceptionThrows = true)]
[assembly: Debuggable(DebuggableAttribute.DebuggingModes.IgnoreSymbolStoreSequencePoints)]
[assembly: NetworkCompatibility(/*Could not decode attribute arguments.*/)]
[assembly: TargetFramework(".NETStandard,Version=v2.0", FrameworkDisplayName = ".NET Standard 2.0")]
[assembly: AssemblyCompany("BetterLoadingScreen")]
[assembly: AssemblyConfiguration("Release")]
[assembly: AssemblyFileVersion("1.0.0.0")]
[assembly: AssemblyInformationalVersion("1.0.0")]
[assembly: AssemblyProduct("BetterLoadingScreen")]
[assembly: AssemblyTitle("BetterLoadingScreen")]
[assembly: SecurityPermission(SecurityAction.RequestMinimum, SkipVerification = true)]
[assembly: AssemblyVersion("1.0.0.0")]
[module: UnverifiableCode]
[module: RefSafetyRules(11)]
namespace Microsoft.CodeAnalysis
{
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	internal sealed class EmbeddedAttribute : Attribute
	{
	}
}
namespace System.Runtime.CompilerServices
{
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	internal sealed class IsReadOnlyAttribute : Attribute
	{
	}
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	[AttributeUsage(AttributeTargets.Module, AllowMultiple = false, Inherited = false)]
	internal sealed class RefSafetyRulesAttribute : Attribute
	{
		public readonly int Version;

		public RefSafetyRulesAttribute(int P_0)
		{
			Version = P_0;
		}
	}
	internal class IsExternalInit
	{
	}
}
namespace BetterLoadingScreen
{
	internal static class Log
	{
		internal static ManualLogSource _logSource;

		internal static void Init(ManualLogSource logSource)
		{
			_logSource = logSource;
		}

		private static string getLogPrefix(string callerPath, string callerMemberName, int callerLineNumber)
		{
			int num = callerPath.LastIndexOf("BetterLoadingScreen");
			if (num >= 0)
			{
				callerPath = callerPath.Substring(num + "BetterLoadingScreen".Length + 1);
			}
			return $"{callerPath}:{callerLineNumber} ({callerMemberName}) ";
		}

		internal static void Error(object data, [CallerFilePath] string callerPath = "", [CallerMemberName] string callerMemberName = "", [CallerLineNumber] int callerLineNumber = -1)
		{
			_logSource.LogError((object)(getLogPrefix(callerPath, callerMemberName, callerLineNumber) + data));
		}

		internal static void Error_NoCallerPrefix(object data)
		{
			_logSource.LogError(data);
		}

		internal static void Fatal(object data, [CallerFilePath] string callerPath = "", [CallerMemberName] string callerMemberName = "", [CallerLineNumber] int callerLineNumber = -1)
		{
			_logSource.LogFatal((object)(getLogPrefix(callerPath, callerMemberName, callerLineNumber) + data));
		}

		internal static void Fatal_NoCallerPrefix(object data)
		{
			_logSource.LogFatal(data);
		}

		internal static void Info(object data, [CallerFilePath] string callerPath = "", [CallerMemberName] string callerMemberName = "", [CallerLineNumber] int callerLineNumber = -1)
		{
			_logSource.LogInfo((object)(getLogPrefix(callerPath, callerMemberName, callerLineNumber) + data));
		}

		internal static void Info_NoCallerPrefix(object data)
		{
			_logSource.LogInfo(data);
		}

		internal static void Message(object data, [CallerFilePath] string callerPath = "", [CallerMemberName] string callerMemberName = "", [CallerLineNumber] int callerLineNumber = -1)
		{
			_logSource.LogMessage((object)(getLogPrefix(callerPath, callerMemberName, callerLineNumber) + data));
		}

		internal static void Message_NoCallerPrefix(object data)
		{
			_logSource.LogMessage(data);
		}

		internal static void Warning(object data, [CallerFilePath] string callerPath = "", [CallerMemberName] string callerMemberName = "", [CallerLineNumber] int callerLineNumber = -1)
		{
			_logSource.LogWarning((object)(getLogPrefix(callerPath, callerMemberName, callerLineNumber) + data));
		}

		internal static void Warning_NoCallerPrefix(object data)
		{
			_logSource.LogWarning(data);
		}
	}
	[BepInPlugin("Gorakh.BetterLoadingScreen", "BetterLoadingScreen", "1.0.0")]
	public class Main : BaseUnityPlugin
	{
		private readonly record struct SystemInitializerCall(MethodInfo InitMethod, object Instance, object[] Arguments)
		{
			public void Invoke()
			{
				InitMethod.Invoke(Instance, Arguments);
			}
		}

		[CompilerGenerated]
		private static class <>O
		{
			public static Manipulator <0>__RoR2Application_InitializeGameRoutine_MoveNext;

			public static Manipulator <1>__SystemInitializerAttribute_Execute;

			public static Func<object> <2>__runSystemInitializersAsync;
		}

		[Serializable]
		[CompilerGenerated]
		private sealed class <>c
		{
			public static readonly <>c <>9 = new <>c();

			public static Func<float, float> <>9__8_1;

			public static Func<Instruction, bool> <>9__8_2;

			public static Manipulator <>9__8_0;

			public static Func<Instruction, bool> <>9__9_0;

			public static Func<MethodInfo, object, object[], object> <>9__9_1;

			public static Func<Instruction, bool> <>9__9_2;

			public static Func<Instruction, bool> <>9__10_2;

			public static Func<TMP_Text, bool> <>9__11_0;

			internal void <Awake>b__8_0(ILContext il)
			{
				//IL_0001: Unknown result type (might be due to invalid IL or missing references)
				//IL_0007: Expected O, but got Unknown
				ILCursor val = new ILCursor(il);
				while (val.TryGotoNext((MoveType)2, new Func<Instruction, bool>[1]
				{
					(Instruction x) => ILPatternMatchingExt.MatchCallOrCallvirt(x, (MethodBase)AccessTools.DeclaredPropertyGetter(typeof(ReadableProgress<float>), "value"))
				}))
				{
					val.EmitDelegate<Func<float, float>>((Func<float, float>)((float value) => Util.Remap(value, 0f, 1f, 0f, 0.7f)));
				}
			}

			internal float <Awake>b__8_1(float value)
			{
				return Util.Remap(value, 0f, 1f, 0f, 0.7f);
			}

			internal bool <Awake>b__8_2(Instruction x)
			{
				return ILPatternMatchingExt.MatchCallOrCallvirt(x, (MethodBase)AccessTools.DeclaredPropertyGetter(typeof(ReadableProgress<float>), "value"));
			}

			internal bool <SystemInitializerAttribute_Execute>b__9_0(Instruction x)
			{
				return ILPatternMatchingExt.MatchCallOrCallvirt(x, (MethodBase)SymbolExtensions.GetMethodInfo<MethodBase>((Expression<Action<MethodBase>>)((MethodBase _) => _.Invoke(null, null))));
			}

			internal object <SystemInitializerAttribute_Execute>b__9_1(MethodInfo initMethod, object instance, object[] args)
			{
				_initializerCallQueue.Enqueue(new SystemInitializerCall(initMethod, instance, args));
				return null;
			}

			internal bool <SystemInitializerAttribute_Execute>b__9_2(Instruction x)
			{
				return ILPatternMatchingExt.MatchStsfld<SystemInitializerAttribute>(x, "hasExecuted");
			}

			internal bool <RoR2Application_InitializeGameRoutine_MoveNext>b__10_2(Instruction x)
			{
				return ILPatternMatchingExt.MatchCallOrCallvirt(x, (MethodBase)SymbolExtensions.GetMethodInfo((Expression<Action>)(() => SystemInitializerAttribute.Execute())));
			}

			internal bool <runSystemInitializersAsync>b__11_0(TMP_Text label)
			{
				return ((Object)label).name.Equals("LoadingPercentIndicator", StringComparison.Ordinal);
			}
		}

		public const string PluginGUID = "Gorakh.BetterLoadingScreen";

		public const string PluginAuthor = "Gorakh";

		public const string PluginName = "BetterLoadingScreen";

		public const string PluginVersion = "1.0.0";

		private static Type RoR2Application_InitializeGameRoutine_IteratorType;

		private static readonly Queue<SystemInitializerCall> _initializerCallQueue = new Queue<SystemInitializerCall>();

		private const float SYSTEM_INITIALIZER_START_PERCENT = 0.7f;

		private void Awake()
		{
			//IL_0053: Unknown result type (might be due to invalid IL or missing references)
			//IL_0048: Unknown result type (might be due to invalid IL or missing references)
			//IL_004d: Unknown result type (might be due to invalid IL or missing references)
			//IL_0053: Expected O, but got Unknown
			//IL_00a3: Unknown result type (might be due to invalid IL or missing references)
			//IL_0098: Unknown result type (might be due to invalid IL or missing references)
			//IL_009d: Unknown result type (might be due to invalid IL or missing references)
			//IL_00a3: Expected O, but got Unknown
			//IL_00b9: Unknown result type (might be due to invalid IL or missing references)
			//IL_00be: Unknown result type (might be due to invalid IL or missing references)
			//IL_00c4: Expected O, but got Unknown
			Stopwatch stopwatch = Stopwatch.StartNew();
			Log.Init(((BaseUnityPlugin)this).Logger);
			Type type = findIteratorType(typeof(RoR2Application), "LoadGameContent");
			if ((object)type != null)
			{
				MethodInfo methodInfo = findIteratorMoveNextMethod(type);
				if ((object)methodInfo != null)
				{
					object obj = <>c.<>9__8_0;
					if (obj == null)
					{
						Manipulator val = delegate(ILContext il)
						{
							//IL_0001: Unknown result type (might be due to invalid IL or missing references)
							//IL_0007: Expected O, but got Unknown
							ILCursor val4 = new ILCursor(il);
							while (val4.TryGotoNext((MoveType)2, new Func<Instruction, bool>[1]
							{
								(Instruction x) => ILPatternMatchingExt.MatchCallOrCallvirt(x, (MethodBase)AccessTools.DeclaredPropertyGetter(typeof(ReadableProgress<float>), "value"))
							}))
							{
								val4.EmitDelegate<Func<float, float>>((Func<float, float>)((float value) => Util.Remap(value, 0f, 1f, 0f, 0.7f)));
							}
						};
						<>c.<>9__8_0 = val;
						obj = (object)val;
					}
					new ILHook((MethodBase)methodInfo, (Manipulator)obj);
				}
			}
			RoR2Application_InitializeGameRoutine_IteratorType = findIteratorType(typeof(RoR2Application), "InitializeGameRoutine");
			if ((object)RoR2Application_InitializeGameRoutine_IteratorType != null)
			{
				MethodInfo methodInfo2 = findIteratorMoveNextMethod(RoR2Application_InitializeGameRoutine_IteratorType);
				if ((object)methodInfo2 != null)
				{
					object obj2 = <>O.<0>__RoR2Application_InitializeGameRoutine_MoveNext;
					if (obj2 == null)
					{
						Manipulator val2 = RoR2Application_InitializeGameRoutine_MoveNext;
						<>O.<0>__RoR2Application_InitializeGameRoutine_MoveNext = val2;
						obj2 = (object)val2;
					}
					new ILHook((MethodBase)methodInfo2, (Manipulator)obj2);
					object obj3 = <>O.<1>__SystemInitializerAttribute_Execute;
					if (obj3 == null)
					{
						Manipulator val3 = SystemInitializerAttribute_Execute;
						<>O.<1>__SystemInitializerAttribute_Execute = val3;
						obj3 = (object)val3;
					}
					SystemInitializerAttribute.Execute += (Manipulator)obj3;
				}
			}
			stopwatch.Stop();
			Log.Info_NoCallerPrefix($"Initialized in {stopwatch.Elapsed.TotalSeconds:F2} seconds");
		}

		private static void SystemInitializerAttribute_Execute(ILContext il)
		{
			//IL_0001: Unknown result type (might be due to invalid IL or missing references)
			//IL_0007: Expected O, but got Unknown
			//IL_0097: Unknown result type (might be due to invalid IL or missing references)
			//IL_00a3: Unknown result type (might be due to invalid IL or missing references)
			ILCursor val = new ILCursor(il);
			if (val.TryGotoNext((MoveType)0, new Func<Instruction, bool>[1]
			{
				(Instruction x) => ILPatternMatchingExt.MatchCallOrCallvirt(x, (MethodBase)SymbolExtensions.GetMethodInfo<MethodBase>((Expression<Action<MethodBase>>)((MethodBase _) => _.Invoke(null, null))))
			}))
			{
				val.Remove();
				val.EmitDelegate<Func<MethodInfo, object, object[], object>>((Func<MethodInfo, object, object[], object>)delegate(MethodInfo initMethod, object instance, object[] args)
				{
					_initializerCallQueue.Enqueue(new SystemInitializerCall(initMethod, instance, args));
					return null;
				});
			}
			if (val.TryGotoNext((MoveType)0, new Func<Instruction, bool>[1]
			{
				(Instruction x) => ILPatternMatchingExt.MatchStsfld<SystemInitializerAttribute>(x, "hasExecuted")
			}))
			{
				val.Emit(OpCodes.Pop);
				val.Emit(OpCodes.Ldc_I4_0);
			}
		}

		private static void RoR2Application_InitializeGameRoutine_MoveNext(ILContext il)
		{
			//IL_005f: Unknown result type (might be due to invalid IL or missing references)
			//IL_0065: Expected O, but got Unknown
			//IL_010e: Unknown result type (might be due to invalid IL or missing references)
			//IL_013c: Unknown result type (might be due to invalid IL or missing references)
			//IL_0149: Unknown result type (might be due to invalid IL or missing references)
			//IL_0155: Unknown result type (might be due to invalid IL or missing references)
			//IL_0163: Unknown result type (might be due to invalid IL or missing references)
			//IL_0170: Unknown result type (might be due to invalid IL or missing references)
			//IL_017c: Unknown result type (might be due to invalid IL or missing references)
			FieldInfo field = RoR2Application_InitializeGameRoutine_IteratorType.GetField("<>1__state", BindingFlags.Instance | BindingFlags.NonPublic);
			if ((object)field == null)
			{
				Log.Error("Unable to find iterator state field", "X:\\Git\\RoR2\\BetterLoadingScreen\\BetterLoadingScreen\\Main.cs", "RoR2Application_InitializeGameRoutine_MoveNext", 114);
				return;
			}
			FieldInfo field2 = RoR2Application_InitializeGameRoutine_IteratorType.GetField("<>2__current", BindingFlags.Instance | BindingFlags.NonPublic);
			if ((object)field2 == null)
			{
				Log.Error("Unable to find iterator current field", "X:\\Git\\RoR2\\BetterLoadingScreen\\BetterLoadingScreen\\Main.cs", "RoR2Application_InitializeGameRoutine_MoveNext", 121);
				return;
			}
			ILCursor val = new ILCursor(il);
			ILLabel[] stateSwitchLabels = Array.Empty<ILLabel>();
			if (!val.TryGotoNext((MoveType)0, new Func<Instruction, bool>[1]
			{
				(Instruction x) => ILPatternMatchingExt.MatchSwitch(x, ref stateSwitchLabels)
			}))
			{
				Log.Error("Unable to find iterator state switch", "X:\\Git\\RoR2\\BetterLoadingScreen\\BetterLoadingScreen\\Main.cs", "RoR2Application_InitializeGameRoutine_MoveNext", 130);
				return;
			}
			Instruction next = val.Next;
			if (!val.TryGotoNext((MoveType)2, new Func<Instruction, bool>[1]
			{
				(Instruction x) => ILPatternMatchingExt.MatchCallOrCallvirt(x, (MethodBase)SymbolExtensions.GetMethodInfo((Expression<Action>)(() => SystemInitializerAttribute.Execute())))
			}))
			{
				Log.Error("Unable to find SystemInitializer Execute call", "X:\\Git\\RoR2\\BetterLoadingScreen\\BetterLoadingScreen\\Main.cs", "RoR2Application_InitializeGameRoutine_MoveNext", 149);
				return;
			}
			ILLabel val2 = val.DefineLabel();
			int num = appendState(val2);
			val.Emit(OpCodes.Ldarg_0);
			val.EmitDelegate<Func<object>>((Func<object>)runSystemInitializersAsync);
			val.Emit(OpCodes.Stfld, field2);
			val.Emit(OpCodes.Ldarg_0);
			val.Emit(OpCodes.Ldc_I4, num);
			val.Emit(OpCodes.Stfld, field);
			val.Emit(OpCodes.Ldc_I4_1);
			val.Emit(OpCodes.Ret);
			val.MarkLabel(val2);
			next.Operand = stateSwitchLabels;
			int appendState(ILLabel targetLabel)
			{
				int num2 = stateSwitchLabels.Length;
				Array.Resize(ref stateSwitchLabels, stateSwitchLabels.Length + 1);
				stateSwitchLabels[num2] = targetLabel;
				return num2;
			}
		}

		private static IEnumerator runSystemInitializersAsync()
		{
			TMP_Text loadingPercentIndicatorLabel = (from label in Object.FindObjectsOfType<TMP_Text>()
				where ((Object)label).name.Equals("LoadingPercentIndicator", StringComparison.Ordinal)
				select label).FirstOrDefault();
			Animation loadingPercentAnimation = (Object.op_Implicit((Object)(object)loadingPercentIndicatorLabel) ? ((Component)loadingPercentIndicatorLabel).GetComponentInChildren<Animation>() : null);
			StringBuilder loadingTextStringBuilder = StringBuilderPool.RentStringBuilder();
			int numCallsCompleted = 0;
			int totalCalls = _initializerCallQueue.Count;
			while (_initializerCallQueue.Count > 0)
			{
				_initializerCallQueue.Dequeue().Invoke();
				numCallsCompleted++;
				float num = Util.Remap((float)numCallsCompleted / (float)totalCalls, 0f, 1f, 0.7f, 1f);
				if (Object.op_Implicit((Object)(object)loadingPercentIndicatorLabel))
				{
					loadingTextStringBuilder.Clear();
					StringBuilderExtensions.AppendInt(loadingTextStringBuilder, Mathf.FloorToInt(num * 100f), 1u, uint.MaxValue);
					loadingTextStringBuilder.Append("%");
					loadingPercentIndicatorLabel.SetText(loadingTextStringBuilder);
				}
				if (Object.op_Implicit((Object)(object)loadingPercentAnimation))
				{
					AnimationClip clip = loadingPercentAnimation.clip;
					clip.SampleAnimation(((Component)loadingPercentAnimation).gameObject, num * 0.99f * clip.length);
				}
				yield return 0;
			}
			StringBuilderPool.ReturnStringBuilder(loadingTextStringBuilder);
			SystemInitializerAttribute.hasExecuted = true;
		}

		private static Type findIteratorType(Type declaringType, string iteratorMethodName)
		{
			Type type = declaringType.GetNestedTypes(BindingFlags.NonPublic).FirstOrDefault((Type t) => typeof(IEnumerator<object>).IsAssignableFrom(t) && t.Name.StartsWith("<" + iteratorMethodName + ">d__"));
			if ((object)type == null)
			{
				Log.Error("Unable to find " + iteratorMethodName + " iterator class", "X:\\Git\\RoR2\\BetterLoadingScreen\\BetterLoadingScreen\\Main.cs", "findIteratorType", 224);
				return null;
			}
			Log.Info("Found " + iteratorMethodName + " iterator class: " + type.FullName, "X:\\Git\\RoR2\\BetterLoadingScreen\\BetterLoadingScreen\\Main.cs", "findIteratorType", 228);
			return type;
		}

		private static MethodInfo findIteratorMoveNextMethod(Type iteratorType)
		{
			MethodInfo method = iteratorType.GetMethod("MoveNext", BindingFlags.Instance | BindingFlags.NonPublic);
			if ((object)method == null)
			{
				Log.Error("Unable to find " + iteratorType.FullName + " iterator MoveNext method", "X:\\Git\\RoR2\\BetterLoadingScreen\\BetterLoadingScreen\\Main.cs", "findIteratorMoveNextMethod", 237);
				return null;
			}
			return method;
		}
	}
}