75 lines
1.7 KiB
C++
75 lines
1.7 KiB
C++
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#include "AssetMetadata.h"
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#include <fstream>
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#include <combaseapi.h>
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#include <iostream>
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#include <string>
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#include <sstream>
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#include "AssetDatabase.h"
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#include <Windows.h>
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#include <wrl.h>
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using namespace Microsoft::WRL;
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AssetMetadata::AssetMetadata(const std::wstring& asset_path) : _asset_path(asset_path) {
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_meta_path = AssetDatabase::asset_to_meta_path(_asset_path);
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if (std::tr2::sys::exists(std::tr2::sys::path(_meta_path))) {
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Load();
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} else {
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create();
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Save();
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}
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}
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void AssetMetadata::create() {
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CoCreateGuid((GUID*)&_guid);
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_modification_time = std::tr2::sys::last_write_time(std::tr2::sys::path(_asset_path)).time_since_epoch().count();
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_importer = AssetDatabase::get().find_importer(_asset_path);
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}
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void AssetMetadata::Load() {
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std::wifstream file(_meta_path);
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std::wstring v;
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std::getline(file, v);
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std::wstring guid_str;
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std::getline(file, guid_str);
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_guid = str_to_guid(guid_str);
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std::wstring time_str;
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std::getline(file, time_str);
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_modification_time = std::stoull(time_str);
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file.close();
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}
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void AssetMetadata::Save() {
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std::wofstream file;
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file.open(_meta_path, std::ios::trunc);
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file << version << std::endl;
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file << guid_to_str(_guid) << std::endl;
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file << _modification_time << std::endl;
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//file << _importer->name();
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file.close();
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}
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Guid AssetMetadata::str_to_guid(const std::wstring& guid) {
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Guid iid;
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IIDFromString(guid.c_str(), (GUID*)&iid);
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return iid;
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}
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std::wstring AssetMetadata::guid_to_str(const Guid& guid) {
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LPOLESTR guid_str = nullptr;
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StringFromIID(*((const GUID*)&guid), &guid_str);
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//Microsoft::WRL::Wrappers::HStringReference
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std::wstring result(guid_str);
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CoTaskMemFree(guid_str);
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return result;
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}
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const Guid& AssetMetadata::get_guid() const {
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return _guid;
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}
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