public string GetTypeName(Il2CppType pType)
{
string ret;
if (pType.type == Il2CppTypeEnum.IL2CPP_TYPE_CLASS || pType.type == Il2CppTypeEnum.IL2CPP_TYPE_VALUETYPE)
{
Il2CppTypeDefinition klass = Metadata.Types[pType.data.klassIndex];
ret = Metadata.GetString(klass.nameIndex);
}
else if (pType.type == Il2CppTypeEnum.IL2CPP_TYPE_GENERICINST)
{
Il2CppGenericClass generic_class = Code.Image.ReadMappedObject <Il2CppGenericClass>(pType.data.generic_class);
Il2CppTypeDefinition pMainDef = Metadata.Types[generic_class.typeDefinitionIndex];
ret = Metadata.GetString(pMainDef.nameIndex);
var typeNames = new List <string>();
Il2CppGenericInst pInst = Code.Image.ReadMappedObject <Il2CppGenericInst>(generic_class.context.class_inst);
var pointers = Code.Image.ReadMappedArray <uint>(pInst.type_argv, (int)pInst.type_argc);
for (int i = 0; i < pInst.type_argc; ++i)
{
var pOriType = Code.Image.ReadMappedObject <Il2CppType>(pointers[i]);
pOriType.Init();
typeNames.Add(GetTypeName(pOriType));
}
ret += $"<{string.Join(", ", typeNames)}>";
}
else if (pType.type == Il2CppTypeEnum.IL2CPP_TYPE_ARRAY)
{
Il2CppArrayType arrayType = Code.Image.ReadMappedObject <Il2CppArrayType>(pType.data.array);
var type = Code.Image.ReadMappedObject <Il2CppType>(arrayType.etype);
type.Init();
ret = $"{GetTypeName(type)}[]";
}
else if (pType.type == Il2CppTypeEnum.IL2CPP_TYPE_SZARRAY)
{
var type = Code.Image.ReadMappedObject <Il2CppType>(pType.data.type);
type.Init();
ret = $"{GetTypeName(type)}[]";
}
else
{
if ((int)pType.type >= szTypeString.Length)
{
ret = "unknow";
}
else
{
ret = szTypeString[(int)pType.type];
}
}
return(ret);
}
public void WriteFile(string outFile)
{
using (var writer = new StreamWriter(new FileStream(outFile, FileMode.Create))) {
var metadata = il2cpp.Metadata;
for (int imageIndex = 0; imageIndex < metadata.Images.Length; imageIndex++)
{
var imageDef = metadata.Images[imageIndex];
writer.Write($"// Image {imageIndex}: {metadata.GetImageName(imageDef)} - {imageDef.typeStart}\n");
}
for (int idx = 0; idx < metadata.Types.Length; ++idx)
{
var typeDef = metadata.Types[idx];
writer.Write($"// Namespace: {metadata.GetTypeNamespace(typeDef)}\n");
if ((typeDef.flags & DefineConstants.TYPE_ATTRIBUTE_SERIALIZABLE) != 0)
{
writer.Write("[Serializable]\n");
}
if ((typeDef.flags & DefineConstants.TYPE_ATTRIBUTE_VISIBILITY_MASK) ==
DefineConstants.TYPE_ATTRIBUTE_PUBLIC)
{
writer.Write("public ");
}
if ((typeDef.flags & DefineConstants.TYPE_ATTRIBUTE_ABSTRACT) != 0)
{
writer.Write("abstract ");
}
if ((typeDef.flags & DefineConstants.TYPE_ATTRIBUTE_SEALED) != 0)
{
writer.Write("sealed ");
}
if ((typeDef.flags & DefineConstants.TYPE_ATTRIBUTE_INTERFACE) != 0)
{
writer.Write("interface ");
}
else
{
writer.Write("class ");
}
writer.Write($"{metadata.GetTypeName(typeDef)} // TypeDefIndex: {idx}\n{{\n");
writer.Write("\t// Fields\n");
var fieldEnd = typeDef.fieldStart + typeDef.field_count;
for (int i = typeDef.fieldStart; i < fieldEnd; ++i)
{
var pField = metadata.Fields[i];
var pType = il2cpp.Code.GetTypeFromTypeIndex(pField.typeIndex);
var pDefault = metadata.GetFieldDefaultFromIndex(i);
writer.Write("\t");
if ((pType.attrs & DefineConstants.FIELD_ATTRIBUTE_PRIVATE) ==
DefineConstants.FIELD_ATTRIBUTE_PRIVATE)
{
writer.Write("private ");
}
if ((pType.attrs & DefineConstants.FIELD_ATTRIBUTE_PUBLIC) ==
DefineConstants.FIELD_ATTRIBUTE_PUBLIC)
{
writer.Write("public ");
}
if ((pType.attrs & DefineConstants.FIELD_ATTRIBUTE_STATIC) != 0)
{
writer.Write("static ");
}
if ((pType.attrs & DefineConstants.FIELD_ATTRIBUTE_INIT_ONLY) != 0)
{
writer.Write("readonly ");
}
writer.Write($"{il2cpp.GetTypeName(pType)} {metadata.GetString(pField.nameIndex)}");
if (pDefault != null && pDefault.dataIndex != -1)
{
var pointer = metadata.GetDefaultValueFromIndex(pDefault.dataIndex);
Il2CppType pTypeToUse = il2cpp.Code.GetTypeFromTypeIndex(pDefault.typeIndex);
if (pointer > 0)
{
metadata.Position = pointer;
object multi = null;
switch (pTypeToUse.type)
{
case Il2CppTypeEnum.IL2CPP_TYPE_BOOLEAN:
multi = metadata.ReadBoolean();
break;
case Il2CppTypeEnum.IL2CPP_TYPE_U1:
case Il2CppTypeEnum.IL2CPP_TYPE_I1:
multi = metadata.ReadByte();
break;
case Il2CppTypeEnum.IL2CPP_TYPE_CHAR:
multi = metadata.ReadChar();
break;
case Il2CppTypeEnum.IL2CPP_TYPE_U2:
multi = metadata.ReadUInt16();
break;
case Il2CppTypeEnum.IL2CPP_TYPE_I2:
multi = metadata.ReadInt16();
break;
case Il2CppTypeEnum.IL2CPP_TYPE_U4:
multi = metadata.ReadUInt32();
break;
case Il2CppTypeEnum.IL2CPP_TYPE_I4:
multi = metadata.ReadInt32();
break;
case Il2CppTypeEnum.IL2CPP_TYPE_U8:
multi = metadata.ReadUInt64();
break;
case Il2CppTypeEnum.IL2CPP_TYPE_I8:
multi = metadata.ReadInt64();
break;
case Il2CppTypeEnum.IL2CPP_TYPE_R4:
multi = metadata.ReadSingle();
break;
case Il2CppTypeEnum.IL2CPP_TYPE_R8:
multi = metadata.ReadDouble();
break;
case Il2CppTypeEnum.IL2CPP_TYPE_STRING:
var uiLen = metadata.ReadInt32();
multi = Encoding.UTF8.GetString(metadata.ReadBytes(uiLen));
break;
}
if (multi is string)
{
writer.Write($" = \"{multi}\"");
}
else if (multi != null)
{
writer.Write($" = {multi}");
}
}
}
writer.Write("; // 0x{0:x}\n",
il2cpp.Code.GetFieldOffsetFromIndex(idx, i - typeDef.fieldStart));
}
writer.Write("\t// Methods\n");
var methodEnd = typeDef.methodStart + typeDef.method_count;
for (int i = typeDef.methodStart; i < methodEnd; ++i)
{
var methodDef = metadata.Methods[i];
writer.Write("\t");
Il2CppType pReturnType = il2cpp.Code.GetTypeFromTypeIndex(methodDef.returnType);
if ((methodDef.flags & DefineConstants.METHOD_ATTRIBUTE_MEMBER_ACCESS_MASK) ==
DefineConstants.METHOD_ATTRIBUTE_PRIVATE)
{
writer.Write("private ");
}
if ((methodDef.flags & DefineConstants.METHOD_ATTRIBUTE_MEMBER_ACCESS_MASK) ==
DefineConstants.METHOD_ATTRIBUTE_PUBLIC)
{
writer.Write("public ");
}
if ((methodDef.flags & DefineConstants.METHOD_ATTRIBUTE_VIRTUAL) != 0)
{
writer.Write("virtual ");
}
if ((methodDef.flags & DefineConstants.METHOD_ATTRIBUTE_STATIC) != 0)
{
writer.Write("static ");
}
writer.Write($"{il2cpp.GetTypeName(pReturnType)} {metadata.GetString(methodDef.nameIndex)}(");
for (int j = 0; j < methodDef.parameterCount; ++j)
{
Il2CppParameterDefinition pParam = metadata.parameterDefs[methodDef.parameterStart + j];
string szParamName = metadata.GetString(pParam.nameIndex);
Il2CppType pType = il2cpp.Code.GetTypeFromTypeIndex(pParam.typeIndex);
string szTypeName = il2cpp.GetTypeName(pType);
if ((pType.attrs & DefineConstants.PARAM_ATTRIBUTE_OPTIONAL) != 0)
{
writer.Write("optional ");
}
if ((pType.attrs & DefineConstants.PARAM_ATTRIBUTE_OUT) != 0)
{
writer.Write("out ");
}
if (j != methodDef.parameterCount - 1)
{
writer.Write($"{szTypeName} {szParamName}, ");
}
else
{
writer.Write($"{szTypeName} {szParamName}");
}
}
if (methodDef.methodIndex >= 0)
{
writer.Write("); // {0:x} - {1}\n",
il2cpp.Code.PtrCodeRegistration.methodPointers[methodDef.methodIndex],
methodDef.methodIndex);
}
else
{
writer.Write("); // 0 - -1\n");
}
}
writer.Write("}\n");
}
}
}
