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// Copyright 2015 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include <QCryptographicHash>
#include <QDataStream>
#include <QDir>
#include <QFile>
#include <QFileInfo>
#include <QImage>
#include <QSharedPointer>
#include "Common/FileUtil.h"
#include "Core/ConfigManager.h"
#include "DiscIO/VolumeCreator.h"
#include "DolphinQt2/Resources.h"
#include "DolphinQt2/Settings.h"
#include "DolphinQt2/GameList/GameFile.h"
static const int CACHE_VERSION = 13; // Last changed in PR #3261
static const int DATASTREAM_VERSION = QDataStream::Qt_5_5;
static QMap<DiscIO::IVolume::ELanguage, QString> ConvertLanguageMap(
const std::map<DiscIO::IVolume::ELanguage, std::string>& map)
{
QMap<DiscIO::IVolume::ELanguage, QString> result;
for (auto entry : map)
result.insert(entry.first, QString::fromStdString(entry.second).trimmed());
return result;
}
GameFile::GameFile(const QString& path) : m_path(path)
{
m_valid = false;
if (!LoadFileInfo(path))
return;
if (!TryLoadCache())
{
if (TryLoadVolume())
{
LoadState();
}
else if (!TryLoadElfDol())
{
return;
}
}
m_valid = true;
}
QString GameFile::GetCacheFileName() const
{
QString folder = QString::fromStdString(File::GetUserPath(D_CACHE_IDX));
// Append a hash of the full path to prevent name clashes between
// files with the same names in different folders.
QString hash = QString::fromUtf8(
QCryptographicHash::hash(m_path.toUtf8(),
QCryptographicHash::Md5).toHex());
return folder + m_file_name + hash;
}
void GameFile::ReadBanner(const DiscIO::IVolume& volume)
{
int width, height;
std::vector<u32> buffer = volume.GetBanner(&width, &height);
QImage banner(width, height, QImage::Format_RGB888);
for (int i = 0; i < width * height; i++)
{
int x = i % width, y = i / width;
banner.setPixel(x, y, qRgb((buffer[i] & 0xFF0000) >> 16,
(buffer[i] & 0x00FF00) >> 8,
(buffer[i] & 0x0000FF) >> 0));
}
if (!banner.isNull())
m_banner = QPixmap::fromImage(banner);
else
m_banner = Resources::GetMisc(Resources::BANNER_MISSING);
}
bool GameFile::LoadFileInfo(const QString& path)
{
QFileInfo info(path);
if (!info.exists() || !info.isReadable())
return false;
m_file_name = info.fileName();
m_extension = info.suffix();
m_folder = info.dir().dirName();
m_last_modified = info.lastModified();
m_size = info.size();
return true;
}
void GameFile::LoadState()
{
IniFile ini = SConfig::LoadGameIni(m_unique_id.toStdString(), m_revision);
std::string issues_temp;
ini.GetIfExists("EmuState", "EmulationStateId", &m_rating);
ini.GetIfExists("EmuState", "EmulationIssues", &issues_temp);
m_issues = QString::fromStdString(issues_temp);
}
bool GameFile::IsElfOrDol()
{
return m_extension == QStringLiteral("elf") ||
m_extension == QStringLiteral("dol");
}
bool GameFile::TryLoadCache()
{
QFile cache(GetCacheFileName());
if (!cache.exists())
return false;
if (!cache.open(QIODevice::ReadOnly))
return false;
if (QFileInfo(cache).lastModified() < m_last_modified)
return false;
QDataStream in(&cache);
in.setVersion(DATASTREAM_VERSION);
int cache_version;
in >> cache_version;
if (cache_version != CACHE_VERSION)
return false;
return false;
}
bool GameFile::TryLoadVolume()
{
QSharedPointer<DiscIO::IVolume> volume(
DiscIO::CreateVolumeFromFilename(m_path.toStdString()).release());
if (volume == nullptr)
return false;
m_unique_id = QString::fromStdString(volume->GetUniqueID());
m_maker_id = QString::fromStdString(volume->GetMakerID());
m_revision = volume->GetRevision();
m_internal_name = QString::fromStdString(volume->GetInternalName());
m_short_names = ConvertLanguageMap(volume->GetNames(false));
m_long_names = ConvertLanguageMap(volume->GetNames(true));
m_descriptions = ConvertLanguageMap(volume->GetDescriptions());
m_company = QString::fromStdString(volume->GetCompany());
m_disc_number = volume->GetDiscNumber();
m_platform = volume->GetVolumeType();
m_country = volume->GetCountry();
m_blob_type = volume->GetBlobType();
m_raw_size = volume->GetRawSize();
if (m_company.isEmpty() && m_unique_id.size() >= 6)
m_company = QString::fromStdString(
DiscIO::GetCompanyFromID(m_unique_id.mid(4, 2).toStdString()));
ReadBanner(*volume);
SaveCache();
return true;
}
bool GameFile::TryLoadElfDol()
{
if (!IsElfOrDol())
return false;
m_revision = 0;
m_long_names[DiscIO::IVolume::LANGUAGE_ENGLISH] = m_file_name;
m_platform = DiscIO::IVolume::ELF_DOL;
m_country = DiscIO::IVolume::COUNTRY_UNKNOWN;
m_blob_type = DiscIO::BlobType::DIRECTORY;
m_raw_size = m_size;
m_banner = Resources::GetMisc(Resources::BANNER_MISSING);
m_rating = 0;
return true;
}
void GameFile::SaveCache()
{
// TODO
}
QString GameFile::GetLanguageString(const QMap<DiscIO::IVolume::ELanguage, QString>& m) const
{
// Try the settings language, then English, then just pick one.
if (m.isEmpty())
return QString();
bool wii = m_platform != DiscIO::IVolume::GAMECUBE_DISC;
DiscIO::IVolume::ELanguage current_lang;
if (wii)
current_lang = Settings().GetWiiSystemLanguage();
else
current_lang = Settings().GetGCSystemLanguage();
if (m.contains(current_lang))
return m[current_lang];
if (m.contains(DiscIO::IVolume::LANGUAGE_ENGLISH))
return m[DiscIO::IVolume::LANGUAGE_ENGLISH];
return m.first();
}
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