dolphin/Source/Core/DolphinWX/ISOFile.cpp

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// Copyright 2008 Dolphin Emulator Project
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// Licensed under GPLv2+
// Refer to the license.txt file included.
#include <algorithm>
#include <cinttypes>
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#include <cstdio>
#include <cstring>
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#include <memory>
#include <string>
#include <unordered_map>
#include <utility>
#include <vector>
#include <wx/app.h>
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#include <wx/bitmap.h>
#include <wx/filefn.h>
#include <wx/image.h>
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#include <wx/toplevel.h>
#include "Common/ChunkFile.h"
#include "Common/CommonPaths.h"
#include "Common/CommonTypes.h"
#include "Common/FileUtil.h"
#include "Common/Hash.h"
#include "Common/IniFile.h"
#include "Common/NandPaths.h"
#include "Common/StringUtil.h"
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#include "Core/Boot/Boot.h"
#include "Core/ConfigManager.h"
#include "Core/IOS/ES/Formats.h"
#include "Core/TitleDatabase.h"
#include "DiscIO/Blob.h"
#include "DiscIO/Enums.h"
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#include "DiscIO/Volume.h"
#include "DolphinWX/ISOFile.h"
#include "DolphinWX/WxUtils.h"
static std::string GetLanguageString(DiscIO::Language language,
std::map<DiscIO::Language, std::string> strings)
{
auto end = strings.end();
auto it = strings.find(language);
if (it != end)
return it->second;
// English tends to be a good fallback when the requested language isn't available
if (language != DiscIO::Language::LANGUAGE_ENGLISH)
{
it = strings.find(DiscIO::Language::LANGUAGE_ENGLISH);
if (it != end)
return it->second;
}
// If English isn't available either, just pick something
if (!strings.empty())
return strings.cbegin()->second;
return "";
}
GameListItem::GameListItem(const std::string& filename)
: m_file_name(filename), m_region(DiscIO::Region::UNKNOWN_REGION),
m_country(DiscIO::Country::COUNTRY_UNKNOWN)
{
{
std::unique_ptr<DiscIO::Volume> volume(DiscIO::CreateVolumeFromFilename(m_file_name));
if (volume != nullptr)
{
m_platform = volume->GetVolumeType();
m_descriptions = volume->GetDescriptions();
m_names = volume->GetLongNames();
if (m_names.empty())
m_names = volume->GetShortNames();
m_company = GetLanguageString(DiscIO::Language::LANGUAGE_ENGLISH, volume->GetLongMakers());
if (m_company.empty())
m_company = GetLanguageString(DiscIO::Language::LANGUAGE_ENGLISH, volume->GetShortMakers());
m_region = volume->GetRegion();
m_country = volume->GetCountry();
m_blob_type = volume->GetBlobType();
m_file_size = volume->GetRawSize();
m_volume_size = volume->GetSize();
m_game_id = volume->GetGameID();
m_title_id = volume->GetTitleID().value_or(0);
m_disc_number = volume->GetDiscNumber().value_or(0);
m_revision = volume->GetRevision().value_or(0);
auto& banner = m_volume_banner;
std::vector<u32> buffer = volume->GetBanner(&banner.width, &banner.height);
ReadVolumeBanner(&banner.buffer, buffer, banner.width, banner.height);
m_valid = true;
}
}
if (m_company.empty() && m_game_id.size() >= 6)
m_company = DiscIO::GetCompanyFromID(m_game_id.substr(4, 2));
if (!IsValid() && IsElfOrDol())
{
m_valid = true;
m_file_size = File::GetSize(m_file_name);
m_platform = DiscIO::Platform::ELF_DOL;
m_blob_type = DiscIO::BlobType::DIRECTORY;
std::string path, name;
SplitPath(m_file_name, &path, &name, nullptr);
// A bit like the Homebrew Channel icon, except there can be multiple files
// in a folder with their own icons. Useful for those who don't want to have
// a Homebrew Channel-style folder structure.
if (SetWxBannerFromPNGFile(path + name + ".png"))
return;
// Homebrew Channel icon. The most typical icon format for DOLs and ELFs.
if (SetWxBannerFromPNGFile(path + "icon.png"))
return;
}
else
{
// Volume banner. Typical for everything that isn't a DOL or ELF.
SetWxBannerFromRaw(m_volume_banner);
}
}
bool GameListItem::IsValid() const
{
if (!m_valid)
return false;
if (m_platform == DiscIO::Platform::WII_WAD && !IOS::ES::IsChannel(m_title_id))
return false;
return true;
}
bool GameListItem::CustomNameChanged(const Core::TitleDatabase& title_database)
{
const auto type = m_platform == DiscIO::Platform::WII_WAD ?
Core::TitleDatabase::TitleType::Channel :
Core::TitleDatabase::TitleType::Other;
m_pending.custom_name = title_database.GetTitleName(m_game_id, type);
return m_custom_name != m_pending.custom_name;
}
void GameListItem::CustomNameCommit()
{
m_custom_name = std::move(m_pending.custom_name);
}
bool GameListItem::EmuStateChanged()
{
IniFile ini = SConfig::LoadGameIni(m_game_id, m_revision);
ini.GetIfExists("EmuState", "EmulationStateId", &m_pending.emu_state.rating, 0);
ini.GetIfExists("EmuState", "EmulationIssues", &m_pending.emu_state.issues, std::string());
return m_emu_state != m_pending.emu_state;
}
void GameListItem::EmuStateCommit()
{
m_emu_state = std::move(m_pending.emu_state);
}
void GameListItem::EmuState::DoState(PointerWrap& p)
{
p.Do(rating);
p.Do(issues);
}
void GameListItem::Banner::DoState(PointerWrap& p)
{
p.Do(buffer);
p.Do(width);
p.Do(height);
}
void GameListItem::DoState(PointerWrap& p)
{
p.Do(m_valid);
p.Do(m_file_name);
p.Do(m_file_size);
p.Do(m_volume_size);
p.Do(m_names);
p.Do(m_descriptions);
p.Do(m_company);
p.Do(m_game_id);
p.Do(m_title_id);
p.Do(m_region);
p.Do(m_country);
p.Do(m_platform);
p.Do(m_blob_type);
p.Do(m_revision);
p.Do(m_disc_number);
m_volume_banner.DoState(p);
m_emu_state.DoState(p);
p.Do(m_custom_name);
if (p.GetMode() == PointerWrap::MODE_READ)
{
SetWxBannerFromRaw(m_volume_banner);
}
}
bool GameListItem::IsElfOrDol() const
{
if (m_file_name.size() < 4)
return false;
std::string name_end = m_file_name.substr(m_file_name.size() - 4);
std::transform(name_end.begin(), name_end.end(), name_end.begin(), ::tolower);
return name_end == ".elf" || name_end == ".dol";
}
void GameListItem::ReadVolumeBanner(std::vector<u8>* image, const std::vector<u32>& buffer,
int width, int height)
{
image->resize(width * height * 3);
for (int i = 0; i < width * height; i++)
{
(*image)[i * 3 + 0] = (buffer[i] & 0xFF0000) >> 16;
(*image)[i * 3 + 1] = (buffer[i] & 0x00FF00) >> 8;
(*image)[i * 3 + 2] = (buffer[i] & 0x0000FF) >> 0;
}
}
bool GameListItem::SetWxBannerFromPNGFile(const std::string& path)
{
if (!File::Exists(path))
return false;
wxImage image(StrToWxStr(path), wxBITMAP_TYPE_PNG);
if (!image.IsOk())
return false;
m_banner_wx = image;
return true;
}
void GameListItem::SetWxBannerFromRaw(const Banner& banner)
{
if (banner.empty())
return;
// Need to make explicit copy as wxImage uses reference counting for copies combined with only
// taking a pointer, not the content, when given a buffer to its constructor.
m_banner_wx.Create(banner.width, banner.height, false);
std::memcpy(m_banner_wx.GetData(), banner.buffer.data(), banner.buffer.size());
}
bool GameListItem::BannerChanged()
{
// Wii banners can only be read if there is a savefile,
// so sometimes caches don't contain banners. Let's check
// if a banner has become available after the cache was made.
if (!m_volume_banner.empty())
return false;
if (m_platform != DiscIO::Platform::WII_DISC && m_platform != DiscIO::Platform::WII_WAD)
return false;
auto& banner = m_pending.volume_banner;
std::vector<u32> buffer = DiscIO::Volume::GetWiiBanner(&banner.width, &banner.height, m_title_id);
if (!buffer.size())
return false;
ReadVolumeBanner(&banner.buffer, buffer, banner.width, banner.height);
// We only reach here if m_volume_banner was empty, so we don't need to explicitly
// compare to see if they are different
return true;
}
void GameListItem::BannerCommit()
{
m_volume_banner = std::move(m_pending.volume_banner);
SetWxBannerFromRaw(m_volume_banner);
}
std::string GameListItem::GetDescription(DiscIO::Language language) const
{
return GetLanguageString(language, m_descriptions);
}
std::string GameListItem::GetDescription() const
{
bool wii = m_platform != DiscIO::Platform::GAMECUBE_DISC;
return GetDescription(SConfig::GetInstance().GetCurrentLanguage(wii));
}
std::string GameListItem::GetName(DiscIO::Language language) const
{
return GetLanguageString(language, m_names);
}
std::string GameListItem::GetName() const
{
if (!m_custom_name.empty())
return m_custom_name;
bool wii = m_platform != DiscIO::Platform::GAMECUBE_DISC;
std::string name = GetName(SConfig::GetInstance().GetCurrentLanguage(wii));
if (!name.empty())
return name;
// No usable name, return filename (better than nothing)
std::string ext;
SplitPath(GetFileName(), nullptr, &name, &ext);
return name + ext;
}
std::string GameListItem::GetUniqueIdentifier() const
{
const DiscIO::Language lang = DiscIO::Language::LANGUAGE_ENGLISH;
std::vector<std::string> info;
if (!GetGameID().empty())
info.push_back(GetGameID());
if (GetRevision() != 0)
{
std::string rev_str = "Revision ";
info.push_back(rev_str + std::to_string((long long)GetRevision()));
}
std::string name(GetName(lang));
if (name.empty())
name = GetName();
int disc_number = GetDiscNumber() + 1;
std::string lower_name = name;
std::transform(lower_name.begin(), lower_name.end(), lower_name.begin(), ::tolower);
if (disc_number > 1 &&
lower_name.find(std::string(wxString::Format("disc %i", disc_number))) == std::string::npos &&
lower_name.find(std::string(wxString::Format("disc%i", disc_number))) == std::string::npos)
{
std::string disc_text = "Disc ";
info.push_back(disc_text + std::to_string(disc_number));
}
if (info.empty())
return name;
std::ostringstream ss;
std::copy(info.begin(), info.end() - 1, std::ostream_iterator<std::string>(ss, ", "));
ss << info.back();
return name + " (" + ss.str() + ")";
}
std::vector<DiscIO::Language> GameListItem::GetLanguages() const
{
std::vector<DiscIO::Language> languages;
for (std::pair<DiscIO::Language, std::string> name : m_names)
languages.push_back(name.first);
return languages;
}
const std::string GameListItem::GetWiiFSPath() const
{
if (m_platform != DiscIO::Platform::WII_DISC && m_platform != DiscIO::Platform::WII_WAD)
return "";
const std::string path = Common::GetTitleDataPath(m_title_id, Common::FROM_CONFIGURED_ROOT);
if (path[0] == '.')
return WxStrToStr(wxGetCwd()) + path.substr(strlen(ROOT_DIR));
return path;
}