public void WriteScript(string outputDir)
{
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);
if (genericClass.typeDefinitionIndex == 4294967295 || genericClass.typeDefinitionIndex == -1)
{
continue;
}
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 methodInfoName = $"MethodInfo_{typeIndex}";
var structTypeName = structNameDic[typeDef];
GenerateMethodInfo(structTypeName, methodInfoName);
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 + "$$" + methodName;
scriptMethod.Name = methodFullName;
var methodReturnType = il2Cpp.types[methodDef.returnType];
var returnType = ParseType(methodReturnType);
if (methodReturnType.byref == 1)
{
returnType += "*";
}
var signature = $"{returnType} {FixName(methodFullName)} (";
var parameterStrs = new List <string>();
if ((methodDef.flags & METHOD_ATTRIBUTE_STATIC) == 0)
{
var thisType = ParseType(il2Cpp.types[typeDef.byrefTypeIndex]);
parameterStrs.Add($"{thisType} __this");
}
else if (il2Cpp.Version <= 24f)
{
parameterStrs.Add($"Il2CppObject* __this");
}
for (var j = 0; j < methodDef.parameterCount; j++)
{
var parameterDef = metadata.parameterDefs[methodDef.parameterStart + j];
var parameterName = metadata.GetStringFromIndex(parameterDef.nameIndex);
var parameterType = il2Cpp.types[parameterDef.typeIndex];
var parameterCType = ParseType(parameterType);
if (parameterType.byref == 1)
{
parameterCType += "*";
}
parameterStrs.Add($"{parameterCType} {FixName(parameterName)}");
}
parameterStrs.Add("const MethodInfo* method");
signature += string.Join(", ", parameterStrs);
signature += ");";
scriptMethod.Signature = signature;
}
//泛型实例函数
if (il2Cpp.methodDefinitionMethodSpecs.TryGetValue(i, out var methodSpecs))
{
foreach (var methodSpec in methodSpecs)
{
var genericMethodPointer = il2Cpp.methodSpecGenericMethodPointers[methodSpec];
if (genericMethodPointer > 0)
{
var scriptMethod = new ScriptMethod();
json.ScriptMethod.Add(scriptMethod);
scriptMethod.Address = il2Cpp.GetRVA(genericMethodPointer);
(var methodSpecTypeName, var methodSpecMethodName) = executor.GetMethodSpecName(methodSpec, true);
var methodFullName = methodSpecTypeName + "$$" + 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 = $"{returnType} {FixName(methodFullName)} (";
var parameterStrs = new List <string>();
if ((methodDef.flags & METHOD_ATTRIBUTE_STATIC) == 0)
{
string thisType;
if (methodSpec.classIndexIndex != -1)
{
var typeBaseName = structNameDic[typeDef];
var typeToReplaceName = FixName(typeName);
var typeReplaceName = FixName(methodSpecTypeName);
var typeStructName = typeBaseName.Replace(typeToReplaceName, typeReplaceName);
if (nameGenericClassDic.TryGetValue(typeStructName, out var il2CppType))
{
thisType = ParseType(il2CppType);
}
else
{
//没有单独的泛型实例类
thisType = ParseType(il2Cpp.types[typeDef.byrefTypeIndex]);
}
}
else
{
thisType = ParseType(il2Cpp.types[typeDef.byrefTypeIndex]);
}
parameterStrs.Add($"{thisType} __this");
}
else if (il2Cpp.Version <= 24f)
{
parameterStrs.Add($"Il2CppObject* __this");
}
for (var j = 0; j < methodDef.parameterCount; j++)
{
var parameterDef = metadata.parameterDefs[methodDef.parameterStart + j];
var parameterName = metadata.GetStringFromIndex(parameterDef.nameIndex);
var parameterType = il2Cpp.types[parameterDef.typeIndex];
var parameterCType = ParseType(parameterType, genericContext);
if (parameterType.byref == 1)
{
parameterCType += "*";
}
parameterStrs.Add($"{parameterCType} {FixName(parameterName)}");
}
parameterStrs.Add($"const {methodInfoName}* method");
signature += string.Join(", ", parameterStrs);
signature += ");";
scriptMethod.Signature = signature;
}
}
}
}
}
}
// 处理MetadataUsage
if (il2Cpp.Version > 16)
{
foreach (var i in metadata.metadataUsageDic[1]) //kIl2CppMetadataUsageTypeInfo
{
var type = il2Cpp.types[i.Value];
var typeName = executor.GetTypeName(type, true, false);
var scriptMetadata = new ScriptMetadata();
json.ScriptMetadata.Add(scriptMetadata);
scriptMetadata.Address = il2Cpp.GetRVA(il2Cpp.metadataUsages[i.Key]);
scriptMetadata.Name = "Class$" + 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 = $"0x{x.Address:X}"
}).ToArray();
File.WriteAllText(outputDir + "stringliteral.json", JsonConvert.SerializeObject(stringLiterals, Formatting.Indented), new UTF8Encoding(false));
foreach (var i in metadata.metadataUsageDic[6]) //kIl2CppMetadataUsageMethodRef
{
var methodSpec = il2Cpp.methodSpecs[i.Value];
var scriptMetadataMethod = new ScriptMetadataMethod();
json.ScriptMetadataMethod.Add(scriptMetadataMethod);
scriptMetadataMethod.Address = il2Cpp.GetRVA(il2Cpp.metadataUsages[i.Key]);
(var methodSpecTypeName, var methodSpecMethodName) = executor.GetMethodSpecName(methodSpec, true);
scriptMetadataMethod.Name = "Method$" + methodSpecTypeName + "." + methodSpecMethodName + "()";
var genericMethodPointer = il2Cpp.methodSpecGenericMethodPointers[methodSpec];
if (genericMethodPointer > 0)
{
scriptMetadataMethod.MethodAddress = il2Cpp.GetRVA(genericMethodPointer);
}
}
}
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(outputDir + "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($"struct {info.TypeName}_o;\n");
headerStruct.Append(RecursionStructInfo(info));
}
var sb = new StringBuilder();
sb.Append(HeaderConstants.GenericHeader);
switch (il2Cpp.Version)
{
case 22f:
sb.Append(HeaderConstants.HeaderV22);
break;
case 23f:
case 24f:
sb.Append(HeaderConstants.HeaderV240);
break;
case 24.1f:
sb.Append(HeaderConstants.HeaderV241);
break;
case 24.2f:
case 24.3f:
sb.Append(HeaderConstants.HeaderV242);
break;
//TODO
default:
Console.WriteLine($"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);
sb.Append(methodInfoHeader);
File.WriteAllText(outputDir + "il2cpp.h", sb.ToString());
}
public void WriteScript(Config config)
{
var json = new ScriptJson();
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];
CreateStructNameDic(typeDef);
}
}
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);
typeDefImageIndices.Add(typeDef, imageIndex);
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.methodIndex, i, imageIndex, methodDef.token);
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);
var signature = $"{returnType} {FixName(methodFullName)} (";
var parameterStrs = new List <string>();
if ((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];
parameterStrs.Add($"{ParseType(parameterType)} {FixName(parameterName)}");
}
signature += string.Join(", ", parameterStrs);
signature += ");";
scriptMethod.Signature = signature;
}
}
}
}
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.methodIndex, (int)i.Value, imageIndex, methodDef.token);
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 methodDef = metadata.methodDefs[methodSpec.methodDefinitionIndex];
var typeDef = metadata.typeDefs[methodDef.declaringType];
var typeName = executor.GetTypeDefName(typeDef, true, false);
if (methodSpec.classIndexIndex != -1)
{
var classInst = il2Cpp.genericInsts[methodSpec.classIndexIndex];
typeName += executor.GetGenericInstParams(classInst);
}
var methodName = typeName + "." + metadata.GetStringFromIndex(methodDef.nameIndex);
if (methodSpec.methodIndexIndex != -1)
{
var methodInst = il2Cpp.genericInsts[methodSpec.methodIndexIndex];
methodName += executor.GetGenericInstParams(methodInst);
}
methodName += "()";
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.methodIndex, methodSpec.methodDefinitionIndex, imageIndex, methodDef.token);
if (methodPointer > 0)
{
scriptMetadataMethod.MethodAddress = il2Cpp.GetRVA(methodPointer);
}
}
}
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)
{
orderedPointers.AddRange(il2Cpp.reversePInvokeWrappers);
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:
sb.Append(HeaderConstants.HeaderV240);
break;
case 24f:
sb.Append(HeaderConstants.HeaderV240);
break;
case 24.1f:
sb.Append(HeaderConstants.HeaderV241);
break;
case 24.2f:
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());
}
public void WriteScript(Config config)
{
var json = new ScriptJson();
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];
var typeName = executor.GetTypeDefName(typeDef, false, true);
typeDefImageIndices.Add(typeDef, imageIndex);
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.methodIndex, i, imageIndex, methodDef.token);
if (methodPointer > 0)
{
var scriptMethod = new ScriptMethod();
json.ScriptMethod.Add(scriptMethod);
scriptMethod.Address = il2Cpp.GetRVA(methodPointer);
scriptMethod.Name = typeName + "$$" + methodName;
}
}
}
}
if (il2Cpp.Version > 16)
{
foreach (var i in metadata.metadataUsageDic[1]) //kIl2CppMetadataUsageTypeInfo
{
var type = il2Cpp.types[i.Value];
var typeName = executor.GetTypeName(type, true, true);
var scriptMetadata = new ScriptMetadata();
json.ScriptMetadata.Add(scriptMetadata);
scriptMetadata.Address = il2Cpp.GetRVA(il2Cpp.metadataUsages[i.Key]);
scriptMetadata.Name = "Class$" + typeName;
}
foreach (var i in metadata.metadataUsageDic[2]) //kIl2CppMetadataUsageIl2CppType
{
var type = il2Cpp.types[i.Value];
var typeName = executor.GetTypeName(type, true, true);
var scriptMetadata = new ScriptMetadata();
json.ScriptMetadata.Add(scriptMetadata);
scriptMetadata.Address = il2Cpp.GetRVA(il2Cpp.metadataUsages[i.Key]);
scriptMetadata.Name = "Class$" + typeName;
}
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$" + methodName;
var imageIndex = typeDefImageIndices[typeDef];
var methodPointer = il2Cpp.GetMethodPointer(methodDef.methodIndex, (int)i.Value, imageIndex, methodDef.token);
if (methodPointer > 0)
{
scriptMetadataMethod.MethodAddress = il2Cpp.GetRVA(methodPointer);
}
}
foreach (var i in metadata.metadataUsageDic[4]) //kIl2CppMetadataUsageFieldInfo
{
var fieldRef = metadata.fieldRefs[i.Value];
var type = il2Cpp.types[fieldRef.typeIndex];
var typeDef = metadata.typeDefs[type.data.klassIndex];
var fieldDef = metadata.fieldDefs[typeDef.fieldStart + fieldRef.fieldIndex];
var fieldName = executor.GetTypeName(type, true, true) + "." + metadata.GetStringFromIndex(fieldDef.nameIndex);
var scriptMetadata = new ScriptMetadata();
json.ScriptMetadata.Add(scriptMetadata);
scriptMetadata.Address = il2Cpp.GetRVA(il2Cpp.metadataUsages[i.Key]);
scriptMetadata.Name = "Field$" + 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 = $"0x{x.Address:X}"
}).ToArray();
File.WriteAllText("stringliteral.json", JsonConvert.SerializeObject(stringLiterals, Formatting.Indented), new UTF8Encoding(false));
foreach (var i in metadata.metadataUsageDic[6]) //kIl2CppMetadataUsageMethodRef
{
var methodSpec = il2Cpp.methodSpecs[i.Value];
var methodDef = metadata.methodDefs[methodSpec.methodDefinitionIndex];
var typeDef = metadata.typeDefs[methodDef.declaringType];
var typeName = executor.GetTypeDefName(typeDef, true, false);
if (methodSpec.classIndexIndex != -1)
{
var classInst = il2Cpp.genericInsts[methodSpec.classIndexIndex];
typeName += executor.GetGenericInstParams(classInst);
}
var methodName = typeName + "." + metadata.GetStringFromIndex(methodDef.nameIndex);
if (methodSpec.methodIndexIndex != -1)
{
var methodInst = il2Cpp.genericInsts[methodSpec.methodIndexIndex];
methodName += executor.GetGenericInstParams(methodInst);
}
methodName += "()";
var scriptMetadataMethod = new ScriptMetadataMethod();
json.ScriptMetadataMethod.Add(scriptMetadataMethod);
scriptMetadataMethod.Address = il2Cpp.GetRVA(il2Cpp.metadataUsages[i.Key]);
scriptMetadataMethod.Name = "Method$" + methodName;
var imageIndex = typeDefImageIndices[typeDef];
var methodPointer = il2Cpp.GetMethodPointer(methodDef.methodIndex, methodSpec.methodDefinitionIndex, imageIndex, methodDef.token);
if (methodPointer > 0)
{
scriptMetadataMethod.MethodAddress = il2Cpp.GetRVA(methodPointer);
}
}
}
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)
{
orderedPointers.AddRange(il2Cpp.reversePInvokeWrappers);
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));
}
