Please disclose if any significant portion of your mod was created using AI tools by adding the 'AI Generated' category. Failing to do so may result in the mod being removed from Thunderstore.
Decompiled source of RagdollDesyncFix v0.0.2
RagdollDesyncFix.dll
Decompiled a year agousing System; using System.Collections; using System.Collections.Generic; using System.Diagnostics; using System.Linq; using System.Reflection; using System.Reflection.Emit; using System.Runtime.CompilerServices; using System.Runtime.Versioning; using System.Security; using System.Security.Permissions; using System.Text; using BepInEx; using BepInEx.Logging; using GameNetcodeStuff; using HarmonyLib; using Microsoft.CodeAnalysis; using RagdollDesyncFix.Patches; using RagdollDesyncFix.Utilities.IL; using Unity.Netcode; using UnityEngine; [assembly: CompilationRelaxations(8)] [assembly: RuntimeCompatibility(WrapNonExceptionThrows = true)] [assembly: Debuggable(DebuggableAttribute.DebuggingModes.IgnoreSymbolStoreSequencePoints)] [assembly: AssemblyTitle("RagdollDesyncFix")] [assembly: AssemblyDescription("")] [assembly: AssemblyConfiguration("")] [assembly: AssemblyCompany("")] [assembly: AssemblyProduct("RagdollDesyncFix")] [assembly: AssemblyCopyright("Copyright © 2025")] [assembly: AssemblyTrademark("")] [assembly: AssemblyFileVersion("0.0.2")] [assembly: TargetFramework(".NETStandard,Version=v2.1", FrameworkDisplayName = ".NET Standard 2.1")] [assembly: SecurityPermission(SecurityAction.RequestMinimum, SkipVerification = true)] [assembly: AssemblyVersion("0.0.2.0")] [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 IsUnmanagedAttribute : 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; } } } namespace RagdollDesyncFix { [BepInPlugin("Zaggy1024.RagdollDesyncFix", "RagdollDesyncFix", "0.0.2")] public class Plugin : BaseUnityPlugin { public const string PluginName = "RagdollDesyncFix"; public const string PluginGUID = "Zaggy1024.RagdollDesyncFix"; public const string PluginVersion = "0.0.2"; private readonly Harmony harmony = new Harmony("Zaggy1024.RagdollDesyncFix"); internal static Plugin Instance { get; private set; } internal ManualLogSource Logger => ((BaseUnityPlugin)this).Logger; public void Awake() { Instance = this; harmony.PatchAll(typeof(PatchPlayerControllerB)); } } } namespace RagdollDesyncFix.Utilities.IL { internal class ILInjector { [CompilerGenerated] private sealed class <GetRelativeInstructions>d__34 : IEnumerable<CodeInstruction>, IEnumerable, IEnumerator<CodeInstruction>, IEnumerator, IDisposable { private int <>1__state; private CodeInstruction <>2__current; private int <>l__initialThreadId; public ILInjector <>4__this; private int offset; public int <>3__offset; private int size; public int <>3__size; private int <i>5__2; CodeInstruction IEnumerator<CodeInstruction>.Current { [DebuggerHidden] get { return <>2__current; } } object IEnumerator.Current { [DebuggerHidden] get { return <>2__current; } } [DebuggerHidden] public <GetRelativeInstructions>d__34(int <>1__state) { this.<>1__state = <>1__state; <>l__initialThreadId = Environment.CurrentManagedThreadId; } [DebuggerHidden] void IDisposable.Dispose() { <>1__state = -2; } private bool MoveNext() { int num = <>1__state; ILInjector iLInjector = <>4__this; switch (num) { default: return false; case 0: <>1__state = -1; <i>5__2 = 0; break; case 1: <>1__state = -1; <i>5__2++; break; } if (<i>5__2 < size) { <>2__current = iLInjector.instructions[iLInjector.index + offset + <i>5__2]; <>1__state = 1; return true; } return false; } bool IEnumerator.MoveNext() { //ILSpy generated this explicit interface implementation from .override directive in MoveNext return this.MoveNext(); } [DebuggerHidden] void IEnumerator.Reset() { throw new NotSupportedException(); } [DebuggerHidden] IEnumerator<CodeInstruction> IEnumerable<CodeInstruction>.GetEnumerator() { <GetRelativeInstructions>d__34 <GetRelativeInstructions>d__; if (<>1__state == -2 && <>l__initialThreadId == Environment.CurrentManagedThreadId) { <>1__state = 0; <GetRelativeInstructions>d__ = this; } else { <GetRelativeInstructions>d__ = new <GetRelativeInstructions>d__34(0) { <>4__this = <>4__this }; } <GetRelativeInstructions>d__.offset = <>3__offset; <GetRelativeInstructions>d__.size = <>3__size; return <GetRelativeInstructions>d__; } [DebuggerHidden] IEnumerator IEnumerable.GetEnumerator() { return ((IEnumerable<CodeInstruction>)this).GetEnumerator(); } } private const string INVALID = "Injector is invalid"; private List<CodeInstruction> instructions = instructions.ToList(); private ILGenerator generator; private int index; private int matchEnd; public int Index { get { return index; } set { index = value; } } public bool IsValid { get { if (instructions != null) { return IsIndexValid(index); } return false; } } public CodeInstruction Instruction { get { if (!IsIndexInRange(index)) { return null; } return instructions[index]; } set { if (!IsIndexInRange(index)) { throw new InvalidOperationException($"Current index {index} is out of range of instruction count {instructions.Count}"); } instructions[index] = value; } } public CodeInstruction LastMatchedInstruction { get { int num = matchEnd - 1; if (!IsIndexInRange(num)) { return null; } return instructions[num]; } set { int num = matchEnd - 1; if (!IsIndexInRange(num)) { throw new InvalidOperationException($"Last matched index {index} is out of range of instruction count {instructions.Count}"); } instructions[num] = value; } } public ICollection<CodeInstruction> Instructions => instructions.AsReadOnly(); public ILInjector(IEnumerable<CodeInstruction> instructions, ILGenerator generator = null) { this.generator = generator; matchEnd = -1; base..ctor(); } public ILInjector GoToStart() { matchEnd = index; index = 0; return this; } public ILInjector GoToEnd() { matchEnd = index; index = instructions.Count; return this; } public ILInjector Forward(int offset) { if (!IsValid) { return this; } matchEnd = index; index = Math.Clamp(index + offset, -1, instructions.Count); return this; } public ILInjector Back(int offset) { return Forward(-offset); } private void MarkInvalid() { index = -1; matchEnd = -1; } private void Search(bool forward, ILMatcher[] predicates) { if (!IsValid) { return; } int num = 1; if (!forward) { num = -1; index--; } while (forward ? (index < instructions.Count) : (index >= 0)) { if (forward && index + predicates.Length > instructions.Count) { index = instructions.Count; break; } int i; for (i = 0; i < predicates.Length && predicates[i].Matches(instructions[index + i]); i++) { } if (i == predicates.Length) { matchEnd = index + i; return; } index += num; } MarkInvalid(); } public ILInjector Find(params ILMatcher[] predicates) { Search(forward: true, predicates); return this; } public ILInjector ReverseFind(params ILMatcher[] predicates) { Search(forward: false, predicates); return this; } public ILInjector GoToPush(int popIndex) { if (!IsValid) { return this; } matchEnd = index; index--; int num = 0; while (index >= 0) { CodeInstruction instruction = instructions[index]; num += instruction.PushCount(); num -= instruction.PopCount(); if (num >= popIndex) { return this; } index--; } return this; } public ILInjector SkipBranch() { if (Instruction == null) { return this; } if (!(Instruction.operand is Label label)) { throw new InvalidOperationException($"Current instruction is not a branch: {Instruction}"); } return FindLabel(label); } public ILInjector FindLabel(Label label) { if (label == default(Label)) { return this; } matchEnd = index; for (index = 0; index < instructions.Count; index++) { if (instructions[index].labels.Contains(label)) { return this; } } MarkInvalid(); return this; } public ILInjector GoToMatchEnd() { index = matchEnd; return this; } public ILInjector GoToLastMatchedInstruction() { if (!IsIndexValid(matchEnd)) { return this; } index = matchEnd - 1; return this; } private bool IsIndexValid(int index) { return index != -1; } private bool IsIndexInRange(int index) { if (index >= 0) { return index < instructions.Count; } return false; } public CodeInstruction GetRelativeInstruction(int offset) { if (!IsValid) { throw new InvalidOperationException("Injector is invalid"); } int num = index + offset; if (!IsIndexInRange(num)) { throw new IndexOutOfRangeException($"Offset {offset} would read out of bounds at index {num}"); } return instructions[num]; } public ILInjector SetRelativeInstruction(int offset, CodeInstruction instruction) { if (!IsValid) { throw new InvalidOperationException("Injector is invalid"); } int num = index + offset; if (!IsIndexInRange(num)) { throw new IndexOutOfRangeException($"Offset {offset} would write out of bounds at index {num}"); } instructions[num] = instruction; return this; } [IteratorStateMachine(typeof(<GetRelativeInstructions>d__34))] public IEnumerable<CodeInstruction> GetRelativeInstructions(int offset, int size) { //yield-return decompiler failed: Unexpected instruction in Iterator.Dispose() return new <GetRelativeInstructions>d__34(-2) { <>4__this = this, <>3__offset = offset, <>3__size = size }; } public IEnumerable<CodeInstruction> GetRelativeInstructions(int size) { return GetRelativeInstructions(0, size); } private void GetLastMatchRangeAbsolute(out int start, out int end) { start = index; end = matchEnd; if (start > end) { int num = end; int num2 = start; start = num; end = num2; } } private void GetLastMatchRange(out int start, out int size) { GetLastMatchRangeAbsolute(out start, out var end); if (start < 0 || start >= instructions.Count) { throw new InvalidOperationException($"Last match range starts at invalid index {start}"); } if (end < 0 || end > instructions.Count) { throw new InvalidOperationException($"Last match range ends at invalid index {end}"); } size = end - start; } public List<CodeInstruction> GetLastMatch() { GetLastMatchRange(out var start, out var size); return instructions.GetRange(start, size); } public ILInjector DefineLabel(out Label label) { if (generator == null) { throw new InvalidOperationException("No ILGenerator was provided"); } label = generator.DefineLabel(); return this; } public ILInjector AddLabel(out Label label) { DefineLabel(out label); return AddLabel(label); } public ILInjector AddLabel(Label label) { //IL_0007: Unknown result type (might be due to invalid IL or missing references) //IL_0011: Expected O, but got Unknown Instruction = new CodeInstruction(Instruction); Instruction.labels.Add(label); return this; } public ILInjector InsertInPlace(ICollection<CodeInstruction> instructions) { if (!IsValid) { throw new InvalidOperationException("Injector is invalid"); } this.instructions.InsertRange(index, instructions); if (matchEnd >= index) { matchEnd += instructions.Count; } return this; } public ILInjector Insert(ICollection<CodeInstruction> instructions) { InsertInPlace(instructions); index += instructions.Count; return this; } public ILInjector InsertInPlaceAfterBranch(ICollection<CodeInstruction> instructions) { //IL_0026: Unknown result type (might be due to invalid IL or missing references) //IL_0030: Expected O, but got Unknown if (!IsValid) { throw new InvalidOperationException("Injector is invalid"); } List<Label> labels = Instruction.labels; Instruction = new CodeInstruction(Instruction); Instruction.labels.Clear(); this.instructions.InsertRange(index, instructions); Instruction.labels.AddRange(labels); if (matchEnd >= index) { matchEnd += instructions.Count; } return this; } public ILInjector InsertAfterBranch(ICollection<CodeInstruction> instructions) { InsertInPlaceAfterBranch(instructions); index += instructions.Count; return this; } public ILInjector RemoveAllPreviousInstructions() { if (!IsValid) { throw new InvalidOperationException("Injector is invalid"); } instructions.RemoveRange(0, index); matchEnd -= index; if (matchEnd < 0) { matchEnd = 0; } index = 0; return this; } public ILInjector Remove(int count = 1) { if (!IsValid) { throw new InvalidOperationException("Injector is invalid"); } instructions.RemoveRange(index, count); if (matchEnd > index) { matchEnd = Math.Max(index, matchEnd - count); } return this; } public ILInjector RemoveLastMatch() { GetLastMatchRange(out var start, out var size); List<Label> labels = instructions[start].labels; instructions.RemoveRange(start, size); index = start; matchEnd = start; instructions[start].labels.AddRange(labels); return this; } public ILInjector ReplaceLastMatch(params CodeInstruction[] replacementInstructions) { if (replacementInstructions.Length == 0) { throw new ArgumentException("Cannot replace a match with an empty array."); } GetLastMatchRange(out var start, out var size); List<Label> labels = instructions[start].labels; instructions.RemoveRange(start, size); instructions.InsertRange(start, replacementInstructions); index = start; matchEnd = start + replacementInstructions.Length; instructions[start].labels.AddRange(labels); return this; } public List<CodeInstruction> ReleaseInstructions() { List<CodeInstruction> result = instructions; instructions = null; return result; } public ILInjector PrintContext(int context, string header = "") { if (!IsValid) { throw new InvalidOperationException("Injector is invalid (" + header + ")"); } StringBuilder stringBuilder = new StringBuilder(header); if (header.Length > 0) { stringBuilder.Append(':'); } stringBuilder.AppendLine(); GetLastMatchRangeAbsolute(out var start, out var end); int num = Math.Min(end + 1 + context, instructions.Count); for (int i = Math.Max(start - context, 0); i < num; i++) { if (end == -1 && i == index) { stringBuilder.Append("╶> "); } else { if (i >= start && i < end) { stringBuilder.Append("│"); } else { stringBuilder.Append(" "); } if (i == index) { stringBuilder.Append("╶> "); } else { stringBuilder.Append(" "); } } stringBuilder.AppendLine($"{i}: {instructions[i]}"); } Plugin.Instance.Logger.LogInfo((object)stringBuilder); return this; } public ILInjector PrintContext(string header = "") { return PrintContext(4, header); } } internal interface ILMatcher { bool Matches(CodeInstruction instruction); ILMatcher CaptureAs(out CodeInstruction variable) { //IL_0007: Unknown result type (might be due to invalid IL or missing references) //IL_000d: Expected O, but got Unknown variable = new CodeInstruction(OpCodes.Nop, (object)null); return new InstructionCapturingMatcher(this, variable); } unsafe ILMatcher CaptureOperandAs<T>(out T operand) where T : unmanaged { operand = default(T); fixed (T* operand2 = &operand) { return new OperandCapturingMatcher<T>(this, operand2); } } ILMatcher Debug() { return new DebuggingMatcher(this); } static ILMatcher Not(ILMatcher matcher) { return new NotMatcher(matcher); } static ILMatcher Opcode(OpCode opcode) { return new OpcodeMatcher(opcode); } static ILMatcher Opcodes(params OpCode[] opcodes) { return new OpcodesMatcher(opcodes); } static ILMatcher OpcodeOperand(OpCode opcode, object operand) { return new OpcodeOperandMatcher(opcode, operand); } static ILMatcher Instruction(CodeInstruction instruction) { return new InstructionMatcher(instruction); } static ILMatcher Ldarg(int? arg = null) { return new LdargMatcher(arg); } static ILMatcher Ldloc(int? loc = null) { return new LdlocMatcher(loc); } static ILMatcher Stloc(int? loc = null) { return new StlocMatcher(loc); } static ILMatcher Ldc(int? value = null) { return new LdcI32Matcher(value); } static ILMatcher LdcF32(float? value = null) { return new LdcF32Matcher(value); } unsafe static ILMatcher LdlocCapture(out int localIndex) { localIndex = -1; fixed (int* localIndex2 = &localIndex) { return new LdlocCapturingMatcher(localIndex2); } } unsafe static ILMatcher Ldloc(in int localIndex) { fixed (int* localIndexPtr = &localIndex) { return new LdlocByRefMatcher(localIndexPtr); } } unsafe static ILMatcher StlocCapture(out int localIndex) { localIndex = -1; fixed (int* localIndex2 = &localIndex) { return new StlocCapturingMatcher(localIndex2); } } unsafe static ILMatcher Stloc(in int localIndex) { fixed (int* localIndexPtr = &localIndex) { return new StlocByRefMatcher(localIndexPtr); } } static ILMatcher Branch() { return new BranchMatcher(); } static ILMatcher Ldfld(FieldInfo field, [CallerMemberName] string callerName = "", [CallerFilePath] string sourceFilePath = "", [CallerLineNumber] int sourceLineNumber = 0) { if (field == null) { Plugin.Instance.Logger.LogWarning((object)$"Field passed to ILMatcher.Ldfld() was null at {sourceFilePath}#{sourceLineNumber} ({callerName})"); } return new OpcodeOperandMatcher(OpCodes.Ldfld, field); } static ILMatcher Ldsfld(FieldInfo field, [CallerMemberName] string callerName = "", [CallerFilePath] string sourceFilePath = "", [CallerLineNumber] int sourceLineNumber = 0) { if (field == null) { Plugin.Instance.Logger.LogWarning((object)$"Field passed to ILMatcher.Ldsfld() was null at {sourceFilePath}#{sourceLineNumber} ({callerName})"); } return new OpcodeOperandMatcher(OpCodes.Ldsfld, field); } static ILMatcher Stfld(FieldInfo field, [CallerMemberName] string callerName = "", [CallerFilePath] string sourceFilePath = "", [CallerLineNumber] int sourceLineNumber = 0) { if (field == null) { Plugin.Instance.Logger.LogWarning((object)$"Field passed to ILMatcher.Stfld() was null at {sourceFilePath}#{sourceLineNumber} ({callerName})"); } return new OpcodeOperandMatcher(OpCodes.Stfld, field); } static ILMatcher Stsfld(FieldInfo field, [CallerMemberName] string callerName = "", [CallerFilePath] string sourceFilePath = "", [CallerLineNumber] int sourceLineNumber = 0) { if (field == null) { Plugin.Instance.Logger.LogWarning((object)$"Field passed to ILMatcher.Stsfld() was null at {sourceFilePath}#{sourceLineNumber} ({callerName})"); } return new OpcodeOperandMatcher(OpCodes.Stsfld, field); } static ILMatcher Callvirt(MethodBase method, [CallerMemberName] string callerName = "", [CallerFilePath] string sourceFilePath = "", [CallerLineNumber] int sourceLineNumber = 0) { if (method == null) { Plugin.Instance.Logger.LogWarning((object)$"Method passed to ILMatcher.Callvirt() was null at {sourceFilePath}#{sourceLineNumber} ({callerName})"); } return OpcodeOperand(OpCodes.Callvirt, method); } static ILMatcher Call(MethodBase method, [CallerMemberName] string callerName = "", [CallerFilePath] string sourceFilePath = "", [CallerLineNumber] int sourceLineNumber = 0) { if (method == null) { Plugin.Instance.Logger.LogWarning((object)$"Method passed to ILMatcher.Call() was null at {sourceFilePath}#{sourceLineNumber} ({callerName})"); } return OpcodeOperand(OpCodes.Call, method); } static ILMatcher Newobj(ConstructorInfo ctor, [CallerMemberName] string callerName = "", [CallerFilePath] string sourceFilePath = "", [CallerLineNumber] int sourceLineNumber = 0) { if (ctor == null) { Plugin.Instance.Logger.LogWarning((object)$"Constructor passed to ILMatcher.Newobj() was null at {sourceFilePath}#{sourceLineNumber} ({callerName})"); } return OpcodeOperand(OpCodes.Newobj, ctor); } static ILMatcher Predicate(Func<CodeInstruction, bool> predicate) { return new PredicateMatcher(predicate); } static ILMatcher Predicate(Func<FieldInfo, bool> predicate) { return new PredicateMatcher((CodeInstruction insn) => insn.operand is FieldInfo arg && predicate(arg)); } } internal class NotMatcher : ILMatcher { private readonly ILMatcher matcher; public NotMatcher(ILMatcher matcher) { this.matcher = matcher; base..ctor(); } public bool Matches(CodeInstruction instruction) { return !matcher.Matches(instruction); } } internal class OpcodeMatcher : ILMatcher { private readonly OpCode opcode; public OpcodeMatcher(OpCode opcode) { this.opcode = opcode; base..ctor(); } public bool Matches(CodeInstruction instruction) { return instruction.opcode == opcode; } } internal class OpcodesMatcher : ILMatcher { private readonly OpCode[] opcodes; public OpcodesMatcher(OpCode[] opcodes) { this.opcodes = opcodes; base..ctor(); } public bool Matches(CodeInstruction instruction) { return opcodes.Contains(instruction.opcode); } } internal class OpcodeOperandMatcher : ILMatcher { private readonly OpCode opcode; private readonly object operand; public OpcodeOperandMatcher(OpCode opcode, object operand) { this.opcode = opcode; this.operand = operand; base..ctor(); } public bool Matches(CodeInstruction instruction) { if (instruction.opcode == opcode) { return instruction.operand == operand; } return false; } } internal class InstructionMatcher : ILMatcher { private readonly OpCode opcode = instruction.opcode; private readonly object operand = instruction.operand; private readonly Label[] labels = instruction.labels.ToArray(); public InstructionMatcher(CodeInstruction instruction) { } public bool Matches(CodeInstruction instruction) { if (instruction.opcode != opcode) { return false; } if (instruction.operand != operand) { return false; } if (instruction.labels.Count != labels.Length) { return false; } for (int i = 0; i < labels.Length; i++) { if (labels[i] != instruction.labels[i]) { return false; } } return true; } } internal class LdargMatcher : ILMatcher { private readonly int? arg; public LdargMatcher(int? arg) { this.arg = arg; base..ctor(); } public bool Matches(CodeInstruction instruction) { if (!arg.HasValue) { return instruction.GetLdargIndex().HasValue; } return instruction.GetLdargIndex() == arg; } } internal class LdlocMatcher : ILMatcher { private readonly int? loc; public LdlocMatcher(int? loc) { this.loc = loc; base..ctor(); } public bool Matches(CodeInstruction instruction) { if (!loc.HasValue) { return instruction.GetLdlocIndex().HasValue; } return instruction.GetLdlocIndex() == loc; } } internal class StlocMatcher : ILMatcher { private readonly int? loc; public StlocMatcher(int? loc) { this.loc = loc; base..ctor(); } public bool Matches(CodeInstruction instruction) { if (!loc.HasValue) { return instruction.GetStlocIndex().HasValue; } return instruction.GetStlocIndex() == loc; } } internal class LdcI32Matcher : ILMatcher { private readonly int? value; public LdcI32Matcher(int? value) { this.value = value; base..ctor(); } public bool Matches(CodeInstruction instruction) { if (!value.HasValue) { return instruction.GetLdcI32().HasValue; } return instruction.GetLdcI32() == value; } } internal class LdcF32Matcher : ILMatcher { private readonly float? value; public LdcF32Matcher(float? value) { this.value = value; base..ctor(); } public bool Matches(CodeInstruction instruction) { if (instruction.opcode == OpCodes.Ldc_R4) { if (value.HasValue) { return (float)instruction.operand == value.Value; } return true; } return false; } } internal class BranchMatcher : ILMatcher { public bool Matches(CodeInstruction instruction) { Label? label = default(Label?); return CodeInstructionExtensions.Branches(instruction, ref label); } } internal class PredicateMatcher : ILMatcher { private readonly Func<CodeInstruction, bool> predicate; public PredicateMatcher(Func<CodeInstruction, bool> predicate) { this.predicate = predicate; base..ctor(); } public bool Matches(CodeInstruction instruction) { return predicate(instruction); } } internal class InstructionCapturingMatcher : ILMatcher { private readonly ILMatcher matcher; private readonly CodeInstruction variable; public InstructionCapturingMatcher(ILMatcher matcher, CodeInstruction variable) { this.matcher = matcher; this.variable = variable; base..ctor(); } public bool Matches(CodeInstruction instruction) { bool num = matcher.Matches(instruction); if (num) { variable.opcode = instruction.opcode; variable.operand = instruction.operand; variable.blocks = instruction.blocks.ToList(); variable.labels = instruction.labels.ToList(); } return num; } } internal class OperandCapturingMatcher<T> : ILMatcher where T : unmanaged { private readonly ILMatcher matcher; private unsafe readonly T* operand; public unsafe OperandCapturingMatcher(ILMatcher matcher, T* operand) { this.matcher = matcher; this.operand = operand; base..ctor(); } public unsafe bool Matches(CodeInstruction instruction) { bool num = matcher.Matches(instruction); if (num) { *operand = (T)instruction.operand; } return num; } } internal class LdlocCapturingMatcher : ILMatcher { private unsafe readonly int* localIndex; public unsafe LdlocCapturingMatcher(int* localIndex) { this.localIndex = localIndex; base..ctor(); } public unsafe bool Matches(CodeInstruction instruction) { int? ldlocIndex = instruction.GetLdlocIndex(); if (ldlocIndex.HasValue) { *localIndex = ldlocIndex.Value; return true; } return false; } } internal class LdlocByRefMatcher : ILMatcher { private unsafe readonly int* localIndexPtr; public unsafe LdlocByRefMatcher(int* localIndexPtr) { this.localIndexPtr = localIndexPtr; base..ctor(); } public unsafe bool Matches(CodeInstruction instruction) { return instruction.GetLdlocIndex() == *localIndexPtr; } } internal class StlocCapturingMatcher : ILMatcher { private unsafe readonly int* localIndex; public unsafe StlocCapturingMatcher(int* localIndex) { this.localIndex = localIndex; base..ctor(); } public unsafe bool Matches(CodeInstruction instruction) { int? stlocIndex = instruction.GetStlocIndex(); if (stlocIndex.HasValue) { *localIndex = stlocIndex.Value; return true; } return false; } } internal class StlocByRefMatcher : ILMatcher { private unsafe readonly int* localIndexPtr; public unsafe StlocByRefMatcher(int* localIndexPtr) { this.localIndexPtr = localIndexPtr; base..ctor(); } public unsafe bool Matches(CodeInstruction instruction) { return instruction.GetStlocIndex() == *localIndexPtr; } } internal class DebuggingMatcher : ILMatcher { private readonly ILMatcher matcher; public DebuggingMatcher(ILMatcher matcher) { this.matcher = matcher; base..ctor(); } public bool Matches(CodeInstruction instruction) { bool num = matcher.Matches(instruction); if (num) { Plugin.Instance.Logger.LogInfo((object)$"{matcher} matched {instruction}"); } return num; } } internal static class InstructionUtilities { public static CodeInstruction MakeLdarg(int index) { //IL_0076: Unknown result type (might be due to invalid IL or missing references) //IL_007c: Expected O, but got Unknown //IL_0026: Unknown result type (might be due to invalid IL or missing references) //IL_002c: Expected O, but got Unknown //IL_0034: Unknown result type (might be due to invalid IL or missing references) //IL_003a: Expected O, but got Unknown //IL_0042: Unknown result type (might be due to invalid IL or missing references) //IL_0048: Expected O, but got Unknown //IL_0050: Unknown result type (might be due to invalid IL or missing references) //IL_0056: Expected O, but got Unknown //IL_0063: Unknown result type (might be due to invalid IL or missing references) //IL_0069: Expected O, but got Unknown if (index < 256) { return (CodeInstruction)(index switch { 0 => (object)new CodeInstruction(OpCodes.Ldarg_0, (object)null), 1 => (object)new CodeInstruction(OpCodes.Ldarg_1, (object)null), 2 => (object)new CodeInstruction(OpCodes.Ldarg_2, (object)null), 3 => (object)new CodeInstruction(OpCodes.Ldarg_3, (object)null), _ => (object)new CodeInstruction(OpCodes.Ldarg_S, (object)index), }); } return new CodeInstruction(OpCodes.Ldarg, (object)index); } public static int PopCount(this CodeInstruction instruction) { if (instruction.opcode == OpCodes.Call || instruction.opcode == OpCodes.Callvirt || instruction.opcode == OpCodes.Newobj) { MethodBase obj = (MethodBase)instruction.operand; int num = obj.GetParameters().Length; if (!obj.IsStatic) { num++; } return num; } if (instruction.opcode == OpCodes.Ret) { return 1; } return instruction.opcode.StackBehaviourPop switch { StackBehaviour.Pop0 => 0, StackBehaviour.Pop1 => 1, StackBehaviour.Pop1_pop1 => 2, StackBehaviour.Popi => 1, StackBehaviour.Popi_pop1 => 2, StackBehaviour.Popi_popi => 2, StackBehaviour.Popi_popi8 => 2, StackBehaviour.Popi_popi_popi => 3, StackBehaviour.Popi_popr4 => 2, StackBehaviour.Popi_popr8 => 2, StackBehaviour.Popref => 1, StackBehaviour.Popref_pop1 => 2, StackBehaviour.Popref_popi => 2, StackBehaviour.Popref_popi_popi => 3, StackBehaviour.Popref_popi_popi8 => 3, StackBehaviour.Popref_popi_popr4 => 3, StackBehaviour.Popref_popi_popr8 => 3, StackBehaviour.Popref_popi_popref => 3, StackBehaviour.Varpop => throw new NotImplementedException($"Variable pop on non-call instruction '{instruction}'"), StackBehaviour.Popref_popi_pop1 => 3, _ => throw new NotSupportedException($"StackBehaviourPop of {instruction.opcode.StackBehaviourPop} was not a pop for instruction '{instruction}'"), }; } public static int PushCount(this CodeInstruction instruction) { if (instruction.opcode == OpCodes.Call || instruction.opcode == OpCodes.Callvirt || instruction.opcode == OpCodes.Newobj) { if (instruction.operand is MethodInfo methodInfo && methodInfo.ReturnType == typeof(void)) { return 0; } return 1; } return instruction.opcode.StackBehaviourPush switch { StackBehaviour.Push0 => 0, StackBehaviour.Push1 => 1, StackBehaviour.Push1_push1 => 2, StackBehaviour.Pushi => 1, StackBehaviour.Pushi8 => 1, StackBehaviour.Pushr4 => 1, StackBehaviour.Pushr8 => 1, StackBehaviour.Pushref => 1, StackBehaviour.Varpush => throw new NotImplementedException($"Variable push on non-call instruction '{instruction}'"), _ => throw new NotSupportedException($"StackBehaviourPush of {instruction.opcode.StackBehaviourPush} was not a push for instruction '{instruction}'"), }; } public static int? GetLdargIndex(this CodeInstruction instruction) { OpCode opcode = instruction.opcode; if (opcode == OpCodes.Ldarg_0) { return 0; } if (opcode == OpCodes.Ldarg_1) { return 1; } if (opcode == OpCodes.Ldarg_2) { return 2; } if (opcode == OpCodes.Ldarg_3) { return 3; } if (opcode == OpCodes.Ldarg || opcode == OpCodes.Ldarg_S) { return instruction.operand as int?; } return null; } public static int? GetLdlocIndex(this CodeInstruction instruction) { OpCode opcode = instruction.opcode; if (opcode == OpCodes.Ldloc_0) { return 0; } if (opcode == OpCodes.Ldloc_1) { return 1; } if (opcode == OpCodes.Ldloc_2) { return 2; } if (opcode == OpCodes.Ldloc_3) { return 3; } if (opcode == OpCodes.Ldloc || opcode == OpCodes.Ldloc_S) { return (instruction.operand as LocalBuilder)?.LocalIndex; } return null; } public static int? GetStlocIndex(this CodeInstruction instruction) { OpCode opcode = instruction.opcode; if (opcode == OpCodes.Stloc_0) { return 0; } if (opcode == OpCodes.Stloc_1) { return 1; } if (opcode == OpCodes.Stloc_2) { return 2; } if (opcode == OpCodes.Stloc_3) { return 3; } if (opcode == OpCodes.Stloc || opcode == OpCodes.Stloc_S) { return (instruction.operand as LocalBuilder)?.LocalIndex; } return null; } public static CodeInstruction LdlocToStloc(this CodeInstruction instruction) { //IL_001a: Unknown result type (might be due to invalid IL or missing references) //IL_0020: Expected O, but got Unknown //IL_0033: Unknown result type (might be due to invalid IL or missing references) //IL_0039: Expected O, but got Unknown //IL_004c: Unknown result type (might be due to invalid IL or missing references) //IL_0052: Expected O, but got Unknown //IL_0065: Unknown result type (might be due to invalid IL or missing references) //IL_006b: Expected O, but got Unknown //IL_0090: Unknown result type (might be due to invalid IL or missing references) //IL_0096: Expected O, but got Unknown OpCode opcode = instruction.opcode; if (opcode == OpCodes.Ldloc_0) { return new CodeInstruction(OpCodes.Stloc_0, (object)null); } if (opcode == OpCodes.Ldloc_1) { return new CodeInstruction(OpCodes.Stloc_1, (object)null); } if (opcode == OpCodes.Ldloc_2) { return new CodeInstruction(OpCodes.Stloc_2, (object)null); } if (opcode == OpCodes.Ldloc_3) { return new CodeInstruction(OpCodes.Stloc_3, (object)null); } if (opcode == OpCodes.Ldloc || opcode == OpCodes.Ldloc_S) { return new CodeInstruction(OpCodes.Stloc, instruction.operand); } return null; } public static CodeInstruction StlocToLdloc(this CodeInstruction instruction) { //IL_001a: Unknown result type (might be due to invalid IL or missing references) //IL_0020: Expected O, but got Unknown //IL_0033: Unknown result type (might be due to invalid IL or missing references) //IL_0039: Expected O, but got Unknown //IL_004c: Unknown result type (might be due to invalid IL or missing references) //IL_0052: Expected O, but got Unknown //IL_0065: Unknown result type (might be due to invalid IL or missing references) //IL_006b: Expected O, but got Unknown //IL_0090: Unknown result type (might be due to invalid IL or missing references) //IL_0096: Expected O, but got Unknown OpCode opcode = instruction.opcode; if (opcode == OpCodes.Stloc_0) { return new CodeInstruction(OpCodes.Ldloc_0, (object)null); } if (opcode == OpCodes.Stloc_1) { return new CodeInstruction(OpCodes.Ldloc_1, (object)null); } if (opcode == OpCodes.Stloc_2) { return new CodeInstruction(OpCodes.Ldloc_2, (object)null); } if (opcode == OpCodes.Stloc_3) { return new CodeInstruction(OpCodes.Ldloc_3, (object)null); } if (opcode == OpCodes.Stloc || opcode == OpCodes.Stloc_S) { return new CodeInstruction(OpCodes.Ldloc, instruction.operand); } return null; } public static int? GetLdcI32(this CodeInstruction instruction) { OpCode opcode = instruction.opcode; if (opcode == OpCodes.Ldc_I4_M1) { return -1; } if (opcode == OpCodes.Ldc_I4_0) { return 0; } if (opcode == OpCodes.Ldc_I4_1) { return 1; } if (opcode == OpCodes.Ldc_I4_2) { return 2; } if (opcode == OpCodes.Ldc_I4_3) { return 3; } if (opcode == OpCodes.Ldc_I4_4) { return 4; } if (opcode == OpCodes.Ldc_I4_5) { return 5; } if (opcode == OpCodes.Ldc_I4_6) { return 6; } if (opcode == OpCodes.Ldc_I4_7) { return 7; } if (opcode == OpCodes.Ldc_I4_8) { return 8; } if (opcode == OpCodes.Ldc_I4_S) { return instruction.operand as sbyte?; } if (opcode == OpCodes.Ldc_I4) { return instruction.operand as int?; } return null; } } } namespace RagdollDesyncFix.Patches { [HarmonyPatch(typeof(PlayerControllerB))] internal static class PatchPlayerControllerB { [HarmonyTranspiler] [HarmonyPatch("KillPlayerServerRpc")] private static IEnumerable<CodeInstruction> LockWriteForDurationOfMethodTranspiler(IEnumerable<CodeInstruction> instructions) { ILInjector iLInjector = new ILInjector(instructions).Find(ILMatcher.Call(Reflection.m_StartOfRound_get_Instance, "LockWriteForDurationOfMethodTranspiler", "E:\\Development\\Lethal Company\\Projects\\RagdollDesyncFix\\RagdollDesyncFix\\Patches\\PatchPlayerControllerB.cs", 28), ILMatcher.Ldfld(typeof(StartOfRound).GetField("ragdollGrabbableObjectPrefab"), "LockWriteForDurationOfMethodTranspiler", "E:\\Development\\Lethal Company\\Projects\\RagdollDesyncFix\\RagdollDesyncFix\\Patches\\PatchPlayerControllerB.cs", 29)).Find(ILMatcher.Callvirt(typeof(GameObject).GetGenericMethod("GetComponent", Array.Empty<Type>(), new Type[1] { typeof(NetworkObject) }), "LockWriteForDurationOfMethodTranspiler", "E:\\Development\\Lethal Company\\Projects\\RagdollDesyncFix\\RagdollDesyncFix\\Patches\\PatchPlayerControllerB.cs", 32), ILMatcher.Ldc(0), ILMatcher.Callvirt(typeof(NetworkObject).GetMethod("Spawn", new Type[1] { typeof(bool) }), "LockWriteForDurationOfMethodTranspiler", "E:\\Development\\Lethal Company\\Projects\\RagdollDesyncFix\\RagdollDesyncFix\\Patches\\PatchPlayerControllerB.cs", 34)); if (!iLInjector.IsValid) { Plugin.Instance.Logger.LogError((object)"Failed to find the call to spawn the ragdoll grabbable object in PlayerControllerB.KillPlayerServerRpc."); return instructions; } List<CodeInstruction> lastMatch = iLInjector.GetLastMatch(); iLInjector.RemoveLastMatch().Find(ILMatcher.Callvirt(typeof(GameObject).GetGenericMethod("GetComponent", Array.Empty<Type>(), new Type[1] { typeof(RagdollGrabbableObject) }), "LockWriteForDurationOfMethodTranspiler", "E:\\Development\\Lethal Company\\Projects\\RagdollDesyncFix\\RagdollDesyncFix\\Patches\\PatchPlayerControllerB.cs", 47), ILMatcher.Ldfld(typeof(RagdollGrabbableObject).GetField("bodyID"), "LockWriteForDurationOfMethodTranspiler", "E:\\Development\\Lethal Company\\Projects\\RagdollDesyncFix\\RagdollDesyncFix\\Patches\\PatchPlayerControllerB.cs", 48), ILMatcher.Ldarg(1), ILMatcher.Callvirt(typeof(NetworkVariable<int>).GetProperty("Value").SetMethod, "LockWriteForDurationOfMethodTranspiler", "E:\\Development\\Lethal Company\\Projects\\RagdollDesyncFix\\RagdollDesyncFix\\Patches\\PatchPlayerControllerB.cs", 50)); if (!iLInjector.IsValid) { Plugin.Instance.Logger.LogError((object)"Failed to find the setting of the player ID on the ragdoll grabbable object in PlayerControllerB.KillPlayerServerRpc."); return instructions; } return iLInjector.GoToMatchEnd().InsertInPlace(lastMatch).ReleaseInstructions(); } } [HarmonyPatch(typeof(RagdollGrabbableObject))] internal static class PatchRagdollGrabbableObject { [HarmonyPatch(/*Could not decode attribute arguments.*/)] [HarmonyTranspiler] private static IEnumerable<CodeInstruction> ConstructorTranspiler(IEnumerable<CodeInstruction> instructions) { //IL_008e: Unknown result type (might be due to invalid IL or missing references) //IL_0098: Expected O, but got Unknown ILInjector iLInjector = new ILInjector(instructions).Find(ILMatcher.Newobj(typeof(NetworkVariable<int>).GetConstructor(new Type[3] { typeof(int), typeof(NetworkVariableReadPermission), typeof(NetworkVariableWritePermission) }), "ConstructorTranspiler", "E:\\Development\\Lethal Company\\Projects\\RagdollDesyncFix\\RagdollDesyncFix\\Patches\\PatchRagdollGrabbableObject.cs", 24)).GoToPush(3); if (!iLInjector.IsValid) { Plugin.Instance.Logger.LogError((object)"Couldn't find the push of the default value for the RagdollGrabbableObject.bodyID network variable."); return instructions; } iLInjector.Instruction = new CodeInstruction(OpCodes.Ldc_I4_M1, (object)null); return iLInjector.ReleaseInstructions(); } } internal static class Reflection { public static readonly MethodInfo m_StartOfRound_get_Instance = typeof(StartOfRound).GetProperty("Instance").GetMethod; internal static MethodInfo GetGenericMethod(this Type type, string name, Type[] parameters, Type[] genericArgs) { MethodInfo[] methods = type.GetMethods(); foreach (MethodInfo methodInfo in methods) { if (methodInfo.Name != name || !methodInfo.IsGenericMethodDefinition) { continue; } MethodInfo methodInfo2; try { methodInfo2 = methodInfo.MakeGenericMethod(genericArgs); } catch (ArgumentException) { continue; } ParameterInfo[] parameters2 = methodInfo2.GetParameters(); if (parameters.Length != parameters2.Length) { continue; } bool flag = true; for (int j = 0; j < parameters.Length; j++) { if (parameters[j] != parameters2[j].ParameterType) { flag = false; break; } } if (flag) { return methodInfo2; } } return null; } } } namespace System.Runtime.CompilerServices { [AttributeUsage(AttributeTargets.Assembly, AllowMultiple = true)] internal sealed class IgnoresAccessChecksToAttribute : Attribute { public IgnoresAccessChecksToAttribute(string assemblyName) { } } }