private void IndexMetadataUsage()
{
if (il2Cpp.Version <= 16 || il2Cpp.Version >= 27)
{
return;
}
foreach (var(metadataUsageIndex, typeIndex) in metadata.metadataUsageDic[1]) //kIl2CppMetadataUsageTypeInfo
{
var type = il2Cpp.types[typeIndex];
var typeDef = executor.GetTypeDefinitionFromIl2CppType(type);
if (typeDef != null)
{
typeDefToAddress[typeDef] = il2Cpp.GetRVA(il2Cpp.metadataUsages[metadataUsageIndex]);
}
}
foreach (var(metadataUsageIndex, methodDefIndex) in metadata.metadataUsageDic[3]) //kIl2CppMetadataUsageMethodDef
{
var methodDef = metadata.methodDefs[methodDefIndex];
var typeDef = metadata.typeDefs[methodDef.declaringType];
var staticMethod = new StructStaticMethodInfo();
var typeName = executor.GetTypeDefName(typeDef, true, true);
staticMethod.Address = il2Cpp.GetRVA(il2Cpp.metadataUsages[metadataUsageIndex]);
staticMethod.Name = metadata.GetStringFromIndex(methodDef.nameIndex);
if (!TypeNameToStaticMethods.ContainsKey(typeName))
{
TypeNameToStaticMethods.Add(typeName, new List <StructStaticMethodInfo>());
}
TypeNameToStaticMethods[typeName].Add(staticMethod);
}
foreach (var(metadataUsageIndex, methodSpecIndex) in metadata.metadataUsageDic[6]) //kIl2CppMetadataUsageMethodRef
{
var methodSpec = il2Cpp.methodSpecs[methodSpecIndex];
var methodDef = metadata.methodDefs[methodSpec.methodDefinitionIndex];
var typeDef = metadata.typeDefs[methodDef.declaringType];
var staticMethod = new StructStaticMethodInfo();
staticMethod.Address = il2Cpp.GetRVA(il2Cpp.metadataUsages[metadataUsageIndex]);
var(typeName, methodSpecMethodName, typeArgs) = executor.GetMethodSpecName(methodSpec, true);
staticMethod.Name = methodSpecMethodName;
staticMethod.TypeArgs = typeArgs;
if (!TypeNameToStaticMethods.ContainsKey(typeName))
{
TypeNameToStaticMethods.Add(typeName, new List <StructStaticMethodInfo>());
}
TypeNameToStaticMethods[typeName].Add(staticMethod);
}
}
public void Decompile(Config config, string outputDir)
{
var writer = new StreamWriter(new FileStream(outputDir + "dump.cs", FileMode.Create), new UTF8Encoding(false));
//dump image
for (var imageIndex = 0; imageIndex < metadata.imageDefs.Length; imageIndex++)
{
var imageDef = metadata.imageDefs[imageIndex];
writer.Write($"// Image {imageIndex}: {metadata.GetStringFromIndex(imageDef.nameIndex)} - {imageDef.typeStart}\n");
}
//dump type
for (var imageIndex = 0; imageIndex < metadata.imageDefs.Length; imageIndex++)
{
try
{
var imageDef = metadata.imageDefs[imageIndex];
var typeEnd = imageDef.typeStart + imageDef.typeCount;
for (int typeDefIndex = imageDef.typeStart; typeDefIndex < typeEnd; typeDefIndex++)
{
var typeDef = metadata.typeDefs[typeDefIndex];
var extends = new List <string>();
if (typeDef.parentIndex >= 0)
{
var parent = il2Cpp.types[typeDef.parentIndex];
var parentName = executor.GetTypeName(parent, false, false);
if (!typeDef.IsValueType && !typeDef.IsEnum && parentName != "object")
{
extends.Add(parentName);
}
}
if (typeDef.interfaces_count > 0)
{
for (int i = 0; i < typeDef.interfaces_count; i++)
{
var @interface = il2Cpp.types[metadata.interfaceIndices[typeDef.interfacesStart + i]];
extends.Add(executor.GetTypeName(@interface, false, false));
}
}
writer.Write($"\n// Namespace: {metadata.GetStringFromIndex(typeDef.namespaceIndex)}\n");
if (config.DumpAttribute)
{
writer.Write(GetCustomAttribute(imageDef, typeDef.customAttributeIndex, typeDef.token));
}
if (config.DumpAttribute && (typeDef.flags & TYPE_ATTRIBUTE_SERIALIZABLE) != 0)
{
writer.Write("[Serializable]\n");
}
var visibility = typeDef.flags & TYPE_ATTRIBUTE_VISIBILITY_MASK;
switch (visibility)
{
case TYPE_ATTRIBUTE_PUBLIC:
case TYPE_ATTRIBUTE_NESTED_PUBLIC:
writer.Write("public ");
break;
case TYPE_ATTRIBUTE_NOT_PUBLIC:
case TYPE_ATTRIBUTE_NESTED_FAM_AND_ASSEM:
case TYPE_ATTRIBUTE_NESTED_ASSEMBLY:
writer.Write("internal ");
break;
case TYPE_ATTRIBUTE_NESTED_PRIVATE:
writer.Write("private ");
break;
case TYPE_ATTRIBUTE_NESTED_FAMILY:
writer.Write("protected ");
break;
case TYPE_ATTRIBUTE_NESTED_FAM_OR_ASSEM:
writer.Write("protected internal ");
break;
}
if ((typeDef.flags & TYPE_ATTRIBUTE_ABSTRACT) != 0 && (typeDef.flags & TYPE_ATTRIBUTE_SEALED) != 0)
{
writer.Write("static ");
}
else if ((typeDef.flags & TYPE_ATTRIBUTE_INTERFACE) == 0 && (typeDef.flags & TYPE_ATTRIBUTE_ABSTRACT) != 0)
{
writer.Write("abstract ");
}
else if (!typeDef.IsValueType && !typeDef.IsEnum && (typeDef.flags & TYPE_ATTRIBUTE_SEALED) != 0)
{
writer.Write("sealed ");
}
if ((typeDef.flags & TYPE_ATTRIBUTE_INTERFACE) != 0)
{
writer.Write("interface ");
}
else if (typeDef.IsEnum)
{
writer.Write("enum ");
}
else if (typeDef.IsValueType)
{
writer.Write("struct ");
}
else
{
writer.Write("class ");
}
var typeName = executor.GetTypeDefName(typeDef, false, true);
writer.Write($"{typeName}");
if (extends.Count > 0)
{
writer.Write($" : {string.Join(", ", extends)}");
}
if (config.DumpTypeDefIndex)
{
writer.Write($" // TypeDefIndex: {typeDefIndex}\n{{");
}
else
{
writer.Write("\n{");
}
//dump field
if (config.DumpField && typeDef.field_count > 0)
{
writer.Write("\n\t// Fields\n");
var fieldEnd = typeDef.fieldStart + typeDef.field_count;
for (var i = typeDef.fieldStart; i < fieldEnd; ++i)
{
var fieldDef = metadata.fieldDefs[i];
var fieldType = il2Cpp.types[fieldDef.typeIndex];
var isStatic = false;
if (config.DumpAttribute)
{
writer.Write(GetCustomAttribute(imageDef, fieldDef.customAttributeIndex, fieldDef.token, "\t"));
}
writer.Write("\t");
var access = fieldType.attrs & FIELD_ATTRIBUTE_FIELD_ACCESS_MASK;
switch (access)
{
case FIELD_ATTRIBUTE_PRIVATE:
writer.Write("private ");
break;
case FIELD_ATTRIBUTE_PUBLIC:
writer.Write("public ");
break;
case FIELD_ATTRIBUTE_FAMILY:
writer.Write("protected ");
break;
case FIELD_ATTRIBUTE_ASSEMBLY:
case FIELD_ATTRIBUTE_FAM_AND_ASSEM:
writer.Write("internal ");
break;
case FIELD_ATTRIBUTE_FAM_OR_ASSEM:
writer.Write("protected internal ");
break;
}
if ((fieldType.attrs & FIELD_ATTRIBUTE_LITERAL) != 0)
{
writer.Write("const ");
}
else
{
if ((fieldType.attrs & FIELD_ATTRIBUTE_STATIC) != 0)
{
isStatic = true;
writer.Write("static ");
}
if ((fieldType.attrs & FIELD_ATTRIBUTE_INIT_ONLY) != 0)
{
writer.Write("readonly ");
}
}
writer.Write($"{executor.GetTypeName(fieldType, false, false)} {metadata.GetStringFromIndex(fieldDef.nameIndex)}");
if (metadata.GetFieldDefaultValueFromIndex(i, out var fieldDefaultValue) && fieldDefaultValue.dataIndex != -1)
{
if (TryGetDefaultValue(fieldDefaultValue.typeIndex, fieldDefaultValue.dataIndex, out var value))
{
writer.Write($" = ");
if (value is string str)
{
writer.Write($"\"{str.ToEscapedString()}\"");
}
else if (value is char c)
{
var v = (int)c;
writer.Write($"'\\x{v:x}'");
}
else if (value != null)
{
writer.Write($"{value}");
}
}
else
{
writer.Write($" /*Metadata offset 0x{value:X}*/");
}
}
if (config.DumpFieldOffset)
{
writer.Write("; // 0x{0:X}\n", il2Cpp.GetFieldOffsetFromIndex(typeDefIndex, i - typeDef.fieldStart, i, typeDef.IsValueType, isStatic));
}
else
{
writer.Write(";\n");
}
}
}
//dump property
if (config.DumpProperty && typeDef.property_count > 0)
{
writer.Write("\n\t// Properties\n");
var propertyEnd = typeDef.propertyStart + typeDef.property_count;
for (var i = typeDef.propertyStart; i < propertyEnd; ++i)
{
var propertyDef = metadata.propertyDefs[i];
if (config.DumpAttribute)
{
writer.Write(GetCustomAttribute(imageDef, propertyDef.customAttributeIndex, propertyDef.token, "\t"));
}
writer.Write("\t");
if (propertyDef.get >= 0)
{
var methodDef = metadata.methodDefs[typeDef.methodStart + propertyDef.get];
writer.Write(GetModifiers(methodDef));
var propertyType = il2Cpp.types[methodDef.returnType];
writer.Write($"{executor.GetTypeName(propertyType, false, false)} {metadata.GetStringFromIndex(propertyDef.nameIndex)} {{ ");
}
else if (propertyDef.set >= 0)
{
var methodDef = metadata.methodDefs[typeDef.methodStart + propertyDef.set];
writer.Write(GetModifiers(methodDef));
var parameterDef = metadata.parameterDefs[methodDef.parameterStart];
var propertyType = il2Cpp.types[parameterDef.typeIndex];
writer.Write($"{executor.GetTypeName(propertyType, false, false)} {metadata.GetStringFromIndex(propertyDef.nameIndex)} {{ ");
}
if (propertyDef.get >= 0)
{
writer.Write("get; ");
}
if (propertyDef.set >= 0)
{
writer.Write("set; ");
}
writer.Write("}");
writer.Write("\n");
}
}
//dump method
if (config.DumpMethod && typeDef.method_count > 0)
{
writer.Write("\n\t// Methods\n");
var methodEnd = typeDef.methodStart + typeDef.method_count;
for (var i = typeDef.methodStart; i < methodEnd; ++i)
{
writer.Write("\n");
var methodDef = metadata.methodDefs[i];
if (config.DumpAttribute)
{
writer.Write(GetCustomAttribute(imageDef, methodDef.customAttributeIndex, methodDef.token, "\t"));
}
if (config.DumpMethodOffset)
{
var methodPointer = il2Cpp.GetMethodPointer(methodDef, imageIndex);
if (methodPointer > 0)
{
var fixedMethodPointer = il2Cpp.GetRVA(methodPointer);
writer.Write("\t// RVA: 0x{0:X} Offset: 0x{1:X} VA: 0x{2:X}", fixedMethodPointer, il2Cpp.MapVATR(methodPointer), methodPointer);
}
else
{
writer.Write("\t// RVA: -1 Offset: -1");
}
if (methodDef.slot != ushort.MaxValue)
{
writer.Write(" Slot: {0}", methodDef.slot);
}
writer.Write("\n");
}
writer.Write("\t");
writer.Write(GetModifiers(methodDef));
var methodReturnType = il2Cpp.types[methodDef.returnType];
var methodName = metadata.GetStringFromIndex(methodDef.nameIndex);
if (methodDef.genericContainerIndex >= 0)
{
var genericContainer = metadata.genericContainers[methodDef.genericContainerIndex];
methodName += executor.GetGenericContainerParams(genericContainer);
}
if (methodReturnType.byref == 1)
{
writer.Write("ref ");
}
writer.Write($"{executor.GetTypeName(methodReturnType, false, false)} {methodName}(");
var parameterStrs = new List <string>();
for (var j = 0; j < methodDef.parameterCount; ++j)
{
var parameterStr = "";
var parameterDef = metadata.parameterDefs[methodDef.parameterStart + j];
var parameterName = metadata.GetStringFromIndex(parameterDef.nameIndex);
var parameterType = il2Cpp.types[parameterDef.typeIndex];
var parameterTypeName = executor.GetTypeName(parameterType, false, false);
if (parameterType.byref == 1)
{
if ((parameterType.attrs & PARAM_ATTRIBUTE_OUT) != 0 && (parameterType.attrs & PARAM_ATTRIBUTE_IN) == 0)
{
parameterStr += "out ";
}
else if ((parameterType.attrs & PARAM_ATTRIBUTE_OUT) == 0 && (parameterType.attrs & PARAM_ATTRIBUTE_IN) != 0)
{
parameterStr += "in ";
}
else
{
parameterStr += "ref ";
}
}
else
{
if ((parameterType.attrs & PARAM_ATTRIBUTE_IN) != 0)
{
parameterStr += "[In] ";
}
if ((parameterType.attrs & PARAM_ATTRIBUTE_OUT) != 0)
{
parameterStr += "[Out] ";
}
}
parameterStr += $"{parameterTypeName} {parameterName}";
if (metadata.GetParameterDefaultValueFromIndex(methodDef.parameterStart + j, out var parameterDefault) && parameterDefault.dataIndex != -1)
{
if (TryGetDefaultValue(parameterDefault.typeIndex, parameterDefault.dataIndex, out var value))
{
parameterStr += " = ";
if (value is string str)
{
parameterStr += $"\"{str.ToEscapedString()}\"";
}
else if (value is char c)
{
var v = (int)c;
parameterStr += $"'\\x{v:x}'";
}
else if (value != null)
{
parameterStr += $"{value}";
}
}
else
{
parameterStr += $" /*Metadata offset 0x{value:X}*/";
}
}
parameterStrs.Add(parameterStr);
}
writer.Write(string.Join(", ", parameterStrs));
writer.Write(") { }\n");
if (il2Cpp.methodDefinitionMethodSpecs.TryGetValue(i, out var methodSpecs))
{
writer.Write("\t/* GenericInstMethod :\n");
var groups = methodSpecs.GroupBy(x => il2Cpp.methodSpecGenericMethodPointers[x]);
foreach (var group in groups)
{
writer.Write("\t|\n");
var genericMethodPointer = group.Key;
if (genericMethodPointer > 0)
{
var fixedPointer = il2Cpp.GetRVA(genericMethodPointer);
writer.Write($"\t|-RVA: 0x{fixedPointer:X} Offset: 0x{il2Cpp.MapVATR(genericMethodPointer):X} VA: 0x{genericMethodPointer:X}\n");
}
else
{
writer.Write("\t|-RVA: -1 Offset: -1\n");
}
foreach (var methodSpec in group)
{
(var methodSpecTypeName, var methodSpecMethodName) = executor.GetMethodSpecName(methodSpec);
writer.Write($"\t|-{methodSpecTypeName}.{methodSpecMethodName}\n");
}
}
writer.Write("\t*/\n");
}
}
}
writer.Write("}\n");
}
}
catch (Exception e)
{
Console.WriteLine("ERROR: Some errors in dumping");
writer.Write("/*");
writer.Write(e);
writer.Write("*/\n}\n");
}
}
writer.Close();
}
public void WriteScript(Config config)
{
var json = new ScriptJson();
// 生成唯一名称
for (var imageIndex = 0; imageIndex < metadata.imageDefs.Length; imageIndex++)
{
var imageDef = metadata.imageDefs[imageIndex];
var typeEnd = imageDef.typeStart + imageDef.typeCount;
for (int typeIndex = imageDef.typeStart; typeIndex < typeEnd; typeIndex++)
{
var typeDef = metadata.typeDefs[typeIndex];
typeDefImageIndices.Add(typeDef, imageIndex);
CreateStructNameDic(typeDef);
}
}
// 生成后面处理泛型实例要用到的字典
foreach (var il2CppType in il2Cpp.types.Where(x => x.type == Il2CppTypeEnum.IL2CPP_TYPE_GENERICINST))
{
var genericClass = il2Cpp.MapVATR <Il2CppGenericClass>(il2CppType.data.generic_class);
var typeDef = metadata.typeDefs[genericClass.typeDefinitionIndex];
var typeBaseName = structNameDic[typeDef];
var typeToReplaceName = FixName(executor.GetTypeDefName(typeDef, true, true));
var typeReplaceName = FixName(executor.GetTypeName(il2CppType, true, false));
var typeStructName = typeBaseName.Replace(typeToReplaceName, typeReplaceName);
nameGenericClassDic[typeStructName] = il2CppType;
genericClassStructNameDic[il2CppType.data.generic_class] = typeStructName;
}
// 处理函数
for (var imageIndex = 0; imageIndex < metadata.imageDefs.Length; imageIndex++)
{
var imageDef = metadata.imageDefs[imageIndex];
var typeEnd = imageDef.typeStart + imageDef.typeCount;
for (int typeIndex = imageDef.typeStart; typeIndex < typeEnd; typeIndex++)
{
var typeDef = metadata.typeDefs[typeIndex];
AddStruct(typeDef);
var typeName = executor.GetTypeDefName(typeDef, true, true);
var methodEnd = typeDef.methodStart + typeDef.method_count;
for (var i = typeDef.methodStart; i < methodEnd; ++i)
{
var methodDef = metadata.methodDefs[i];
var methodName = metadata.GetStringFromIndex(methodDef.nameIndex);
var methodPointer = il2Cpp.GetMethodPointer(methodDef, imageIndex);
if (methodPointer > 0)
{
var scriptMethod = new ScriptMethod();
json.ScriptMethod.Add(scriptMethod);
scriptMethod.Address = il2Cpp.GetRVA(methodPointer);
var methodFullName = typeName + "$$" + methodName;
scriptMethod.Name = methodFullName;
var methodReturnType = il2Cpp.types[methodDef.returnType];
var returnType = ParseType(methodReturnType);
if (methodReturnType.byref == 1)
{
returnType += "*";
}
var signature = $"{returnType} {FixName(methodFullName)} (";
var parameterStrs = new List <string>();
if (il2Cpp.Version <= 22f || (methodDef.flags & METHOD_ATTRIBUTE_STATIC) == 0)
{
var thisType = ParseType(il2Cpp.types[typeDef.byrefTypeIndex]);
parameterStrs.Add($"{thisType} __this");
}
for (var j = 0; j < methodDef.parameterCount; j++)
{
var parameterDef = metadata.parameterDefs[methodDef.parameterStart + j];
var parameterName = metadata.GetStringFromIndex(parameterDef.nameIndex);
var parameterType = il2Cpp.types[parameterDef.typeIndex];
var parameterCType = ParseType(parameterType);
if (parameterType.byref == 1)
{
parameterCType += "*";
}
parameterStrs.Add($"{parameterCType} {FixName(parameterName)}");
}
signature += string.Join(", ", parameterStrs);
signature += ");";
scriptMethod.Signature = signature;
}
//泛型实例函数
if (il2Cpp.methodDefinitionMethodSpecs.TryGetValue(i, out var methodSpecs))
{
foreach (var methodSpec in methodSpecs)
{
var genericMethodPointer = il2Cpp.methodSpecGenericMethodPointers[methodSpec];
if (genericMethodPointer > 0)
{
var scriptMethod = new ScriptMethod();
json.ScriptMethod.Add(scriptMethod);
scriptMethod.Address = il2Cpp.GetRVA(genericMethodPointer);
(var methodSpecTypeName, var methodSpecMethodName) = executor.GetMethodSpecName(methodSpec, true);
var methodFullName = methodSpecTypeName + "$$" + methodSpecMethodName;
scriptMethod.Name = methodFullName;
var genericContext = executor.GetMethodSpecGenericContext(methodSpec);
var methodReturnType = il2Cpp.types[methodDef.returnType];
var returnType = ParseType(methodReturnType, genericContext);
if (methodReturnType.byref == 1)
{
returnType += "*";
}
var signature = $"{returnType} {FixName(methodFullName)} (";
var parameterStrs = new List <string>();
if (il2Cpp.Version <= 22f || (methodDef.flags & METHOD_ATTRIBUTE_STATIC) == 0)
{
string thisType;
if (methodSpec.classIndexIndex != -1)
{
var typeBaseName = structNameDic[typeDef];
var typeToReplaceName = FixName(typeName);
var typeReplaceName = FixName(methodSpecTypeName);
var typeStructName = typeBaseName.Replace(typeToReplaceName, typeReplaceName);
var il2CppType = nameGenericClassDic[typeStructName];
thisType = ParseType(il2CppType);
}
else
{
thisType = ParseType(il2Cpp.types[typeDef.byrefTypeIndex]);
}
parameterStrs.Add($"{thisType} __this");
}
for (var j = 0; j < methodDef.parameterCount; j++)
{
var parameterDef = metadata.parameterDefs[methodDef.parameterStart + j];
var parameterName = metadata.GetStringFromIndex(parameterDef.nameIndex);
var parameterType = il2Cpp.types[parameterDef.typeIndex];
var parameterCType = ParseType(parameterType, genericContext);
if (parameterType.byref == 1)
{
parameterCType += "*";
}
parameterStrs.Add($"{parameterCType} {FixName(parameterName)}");
}
signature += string.Join(", ", parameterStrs);
signature += ");";
scriptMethod.Signature = signature;
}
}
}
}
}
}
// 处理MetadataUsage
if (il2Cpp.Version > 16)
{
foreach (var i in metadata.metadataUsageDic[1]) //kIl2CppMetadataUsageTypeInfo
{
var type = il2Cpp.types[i.Value];
var typeName = executor.GetTypeName(type, true, false);
var scriptMetadata = new ScriptMetadata();
json.ScriptMetadata.Add(scriptMetadata);
scriptMetadata.Address = il2Cpp.GetRVA(il2Cpp.metadataUsages[i.Key]);
scriptMetadata.Name = "Class$" + typeName;
var signature = GetIl2CppStructName(type);
if (signature.EndsWith("_array"))
{
scriptMetadata.Signature = signature + "*";
}
else
{
scriptMetadata.Signature = FixName(signature) + "_c*";
}
}
foreach (var i in metadata.metadataUsageDic[2]) //kIl2CppMetadataUsageIl2CppType
{
var type = il2Cpp.types[i.Value];
var typeName = executor.GetTypeName(type, true, false);
var scriptMetadata = new ScriptMetadata();
json.ScriptMetadata.Add(scriptMetadata);
scriptMetadata.Address = il2Cpp.GetRVA(il2Cpp.metadataUsages[i.Key]);
scriptMetadata.Name = "Object$" + typeName;
var signature = GetIl2CppStructName(type);
if (signature.EndsWith("_array"))
{
scriptMetadata.Signature = signature + "*";
}
else
{
scriptMetadata.Signature = FixName(signature) + "_o*";
}
}
foreach (var i in metadata.metadataUsageDic[3]) //kIl2CppMetadataUsageMethodDef
{
var methodDef = metadata.methodDefs[i.Value];
var typeDef = metadata.typeDefs[methodDef.declaringType];
var typeName = executor.GetTypeDefName(typeDef, true, true);
var methodName = typeName + "." + metadata.GetStringFromIndex(methodDef.nameIndex) + "()";
var scriptMetadataMethod = new ScriptMetadataMethod();
json.ScriptMetadataMethod.Add(scriptMetadataMethod);
scriptMetadataMethod.Address = il2Cpp.GetRVA(il2Cpp.metadataUsages[i.Key]);
scriptMetadataMethod.Name = "Method$" + methodName;
var imageIndex = typeDefImageIndices[typeDef];
var methodPointer = il2Cpp.GetMethodPointer(methodDef, imageIndex);
if (methodPointer > 0)
{
scriptMetadataMethod.MethodAddress = il2Cpp.GetRVA(methodPointer);
}
}
foreach (var i in metadata.metadataUsageDic[4]) //kIl2CppMetadataUsageFieldInfo
{
var fieldRef = metadata.fieldRefs[i.Value];
var type = il2Cpp.types[fieldRef.typeIndex];
var typeDef = metadata.typeDefs[type.data.klassIndex];
var fieldDef = metadata.fieldDefs[typeDef.fieldStart + fieldRef.fieldIndex];
var fieldName = executor.GetTypeName(type, true, false) + "." + metadata.GetStringFromIndex(fieldDef.nameIndex);
var scriptMetadata = new ScriptMetadata();
json.ScriptMetadata.Add(scriptMetadata);
scriptMetadata.Address = il2Cpp.GetRVA(il2Cpp.metadataUsages[i.Key]);
scriptMetadata.Name = "Field$" + fieldName;
}
foreach (var i in metadata.metadataUsageDic[5]) //kIl2CppMetadataUsageStringLiteral
{
var scriptString = new ScriptString();
json.ScriptString.Add(scriptString);
scriptString.Address = il2Cpp.GetRVA(il2Cpp.metadataUsages[i.Key]);
scriptString.Value = metadata.GetStringLiteralFromIndex(i.Value);
}
var stringLiterals = json.ScriptString.Select(x => new
{
value = x.Value,
address = $"0x{x.Address:X}"
}).ToArray();
File.WriteAllText("stringliteral.json", JsonConvert.SerializeObject(stringLiterals, Formatting.Indented), new UTF8Encoding(false));
foreach (var i in metadata.metadataUsageDic[6]) //kIl2CppMetadataUsageMethodRef
{
var methodSpec = il2Cpp.methodSpecs[i.Value];
var scriptMetadataMethod = new ScriptMetadataMethod();
json.ScriptMetadataMethod.Add(scriptMetadataMethod);
scriptMetadataMethod.Address = il2Cpp.GetRVA(il2Cpp.metadataUsages[i.Key]);
(var methodSpecTypeName, var methodSpecMethodName) = executor.GetMethodSpecName(methodSpec, true);
scriptMetadataMethod.Name = "Method$" + methodSpecTypeName + "." + methodSpecMethodName + "()";
var genericMethodPointer = il2Cpp.methodSpecGenericMethodPointers[methodSpec];
if (genericMethodPointer > 0)
{
scriptMetadataMethod.MethodAddress = il2Cpp.GetRVA(genericMethodPointer);
}
}
}
if (config.MakeFunction)
{
List <ulong> orderedPointers;
if (il2Cpp.Version >= 24.2f)
{
orderedPointers = new List <ulong>();
foreach (var methodPointers in il2Cpp.codeGenModuleMethodPointers)
{
orderedPointers.AddRange(methodPointers);
}
}
else
{
orderedPointers = il2Cpp.methodPointers.ToList();
}
orderedPointers.AddRange(il2Cpp.genericMethodPointers);
orderedPointers.AddRange(il2Cpp.invokerPointers);
orderedPointers.AddRange(il2Cpp.customAttributeGenerators);
if (il2Cpp.Version >= 22)
{
if (il2Cpp.reversePInvokeWrappers != null)
{
orderedPointers.AddRange(il2Cpp.reversePInvokeWrappers);
}
if (il2Cpp.unresolvedVirtualCallPointers != null)
{
orderedPointers.AddRange(il2Cpp.unresolvedVirtualCallPointers);
}
}
//TODO interopData内也包含函数
orderedPointers = orderedPointers.Distinct().OrderBy(x => x).ToList();
orderedPointers.Remove(0);
for (int i = 0; i < orderedPointers.Count; i++)
{
orderedPointers[i] = il2Cpp.GetRVA(orderedPointers[i]);
}
json.Addresses = orderedPointers;
}
File.WriteAllText("script.json", JsonConvert.SerializeObject(json, Formatting.Indented));
//il2cpp.h
for (int i = 0; i < genericClassList.Count; i++)
{
var pointer = genericClassList[i];
AddGenericClassStruct(pointer);
}
var preHeader = new StringBuilder();
var headerStruct = new StringBuilder();
var headerClass = new StringBuilder();
foreach (var info in structInfoList)
{
structInfoWithStructName.Add(info.TypeName + "_o", info);
}
foreach (var info in structInfoList)
{
preHeader.Append($"struct {info.TypeName}_o;\n");
if (info.IsValueType)
{
headerStruct.Append(RecursionStructInfo(info));
}
else
{
headerClass.Append($"struct {info.TypeName}_StaticFields {{\n");
foreach (var field in info.StaticFields)
{
headerClass.Append($"\t{field.FieldTypeName} {field.FieldName};\n");
}
headerClass.Append("};\n");
headerClass.Append($"struct {info.TypeName}_VTable {{\n");
foreach (var method in info.VTableMethod)
{
headerClass.Append($"\tVirtualInvokeData {method.MethodName};\n");
}
headerClass.Append("};\n");
headerClass.Append($"struct {info.TypeName}_c {{\n" +
$"\tIl2CppClass_1 _1;\n" +
$"\t{info.TypeName}_StaticFields* static_fields;\n" +
$"\tIl2CppClass_2 _2;\n" +
$"\t{info.TypeName}_VTable vtable;\n" +
$"}};\n");
headerClass.Append($"struct {info.TypeName}_o {{\n" +
$"\t{info.TypeName}_c *klass;\n" +
$"\tvoid *monitor;\n");
foreach (var field in info.Fields)
{
headerClass.Append($"\t{field.FieldTypeName} {field.FieldName};\n");
}
headerClass.Append("};\n");
}
}
var sb = new StringBuilder();
if (il2Cpp is PE)
{
sb.Append(HeaderConstants.TypedefHeader);
}
sb.Append(HeaderConstants.GenericHeader);
switch (il2Cpp.Version)
{
case 22f:
sb.Append(HeaderConstants.HeaderV22);
break;
case 23f:
case 24f:
sb.Append(HeaderConstants.HeaderV240);
break;
case 24.1f:
sb.Append(HeaderConstants.HeaderV241);
break;
case 24.2f:
case 24.3f:
sb.Append(HeaderConstants.HeaderV242);
break;
//TODO
default:
Console.WriteLine($"WARNING: This il2cpp version [{il2Cpp.Version}] does not support generating .h files");
return;
}
sb.Append(preHeader);
sb.Append(arrayClassPreHeader);
sb.Append(headerStruct);
sb.Append(headerClass);
sb.Append(arrayClassHeader);
File.WriteAllText("il2cpp.h", sb.ToString());
}