dolphin/Source/Core/DiscIO/VolumeGC.cpp

293 lines
6.3 KiB
C++

// Copyright 2008 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include <cstddef>
#include <map>
#include <memory>
#include <string>
#include <utility>
#include <vector>
#include "Common/ColorUtil.h"
#include "Common/CommonTypes.h"
#include "Common/Logging/Log.h"
#include "Common/MsgHandler.h"
#include "Common/StringUtil.h"
#include "DiscIO/Blob.h"
#include "DiscIO/Enums.h"
#include "DiscIO/FileMonitor.h"
#include "DiscIO/Filesystem.h"
#include "DiscIO/Volume.h"
#include "DiscIO/VolumeGC.h"
namespace DiscIO
{
CVolumeGC::CVolumeGC(std::unique_ptr<IBlobReader> reader) : m_pReader(std::move(reader))
{
}
CVolumeGC::~CVolumeGC()
{
}
bool CVolumeGC::Read(u64 _Offset, u64 _Length, u8* _pBuffer, bool decrypt) const
{
if (decrypt)
PanicAlertT("Tried to decrypt data from a non-Wii volume");
if (m_pReader == nullptr)
return false;
FileMon::FindFilename(_Offset);
return m_pReader->Read(_Offset, _Length, _pBuffer);
}
std::string CVolumeGC::GetUniqueID() const
{
static const std::string NO_UID("NO_UID");
if (m_pReader == nullptr)
return NO_UID;
char ID[6];
if (!Read(0, sizeof(ID), reinterpret_cast<u8*>(ID)))
{
PanicAlertT("Failed to read unique ID from disc image");
return NO_UID;
}
return DecodeString(ID);
}
Country CVolumeGC::GetCountry() const
{
if (!m_pReader)
return Country::COUNTRY_UNKNOWN;
u8 country_code;
m_pReader->Read(3, 1, &country_code);
return CountrySwitch(country_code);
}
std::string CVolumeGC::GetMakerID() const
{
if (m_pReader == nullptr)
return std::string();
char makerID[2];
if (!Read(0x4, 0x2, (u8*)&makerID))
return std::string();
return DecodeString(makerID);
}
u16 CVolumeGC::GetRevision() const
{
if (!m_pReader)
return 0;
u8 revision;
if (!Read(7, 1, &revision))
return 0;
return revision;
}
std::string CVolumeGC::GetInternalName() const
{
char name[0x60];
if (m_pReader != nullptr && Read(0x20, 0x60, (u8*)name))
return DecodeString(name);
return "";
}
std::map<Language, std::string> CVolumeGC::GetShortNames() const
{
LoadBannerFile();
return m_short_names;
}
std::map<Language, std::string> CVolumeGC::GetLongNames() const
{
LoadBannerFile();
return m_long_names;
}
std::map<Language, std::string> CVolumeGC::GetShortMakers() const
{
LoadBannerFile();
return m_short_makers;
}
std::map<Language, std::string> CVolumeGC::GetLongMakers() const
{
LoadBannerFile();
return m_long_makers;
}
std::map<Language, std::string> CVolumeGC::GetDescriptions() const
{
LoadBannerFile();
return m_descriptions;
}
std::vector<u32> CVolumeGC::GetBanner(int* width, int* height) const
{
LoadBannerFile();
*width = m_image_width;
*height = m_image_height;
return m_image_buffer;
}
u64 CVolumeGC::GetFSTSize() const
{
if (m_pReader == nullptr)
return 0;
u32 size;
if (!Read(0x428, 0x4, (u8*)&size))
return 0;
return Common::swap32(size);
}
std::string CVolumeGC::GetApploaderDate() const
{
if (m_pReader == nullptr)
return std::string();
char date[16];
if (!Read(0x2440, 0x10, (u8*)&date))
return std::string();
return DecodeString(date);
}
BlobType CVolumeGC::GetBlobType() const
{
return m_pReader ? m_pReader->GetBlobType() : BlobType::PLAIN;
}
u64 CVolumeGC::GetSize() const
{
if (m_pReader)
return m_pReader->GetDataSize();
else
return 0;
}
u64 CVolumeGC::GetRawSize() const
{
if (m_pReader)
return m_pReader->GetRawSize();
else
return 0;
}
u8 CVolumeGC::GetDiscNumber() const
{
u8 disc_number;
Read(6, 1, &disc_number);
return disc_number;
}
Platform CVolumeGC::GetVolumeType() const
{
return Platform::GAMECUBE_DISC;
}
void CVolumeGC::LoadBannerFile() const
{
// If opening.bnr has been loaded already, return immediately
if (m_banner_loaded)
return;
GCBanner banner_file;
std::unique_ptr<IFileSystem> file_system(CreateFileSystem(this));
size_t file_size = (size_t)file_system->GetFileSize("opening.bnr");
constexpr int BNR1_MAGIC = 0x31524e42;
constexpr int BNR2_MAGIC = 0x32524e42;
if (file_size != BNR1_SIZE && file_size != BNR2_SIZE)
{
WARN_LOG(DISCIO, "Invalid opening.bnr. Size: %0zx", file_size);
return;
}
file_system->ReadFile("opening.bnr", reinterpret_cast<u8*>(&banner_file), file_size);
bool is_bnr1;
if (banner_file.id == BNR1_MAGIC && file_size == BNR1_SIZE)
{
is_bnr1 = true;
}
else if (banner_file.id == BNR2_MAGIC && file_size == BNR2_SIZE)
{
is_bnr1 = false;
}
else
{
WARN_LOG(DISCIO, "Invalid opening.bnr. Type: %0x Size: %0zx", banner_file.id, file_size);
return;
}
ExtractBannerInformation(banner_file, is_bnr1);
m_banner_loaded = true;
}
void CVolumeGC::ExtractBannerInformation(const GCBanner& banner_file, bool is_bnr1) const
{
u32 number_of_languages = 0;
Language start_language = Language::LANGUAGE_UNKNOWN;
if (is_bnr1) // NTSC
{
bool is_japanese = GetCountry() == Country::COUNTRY_JAPAN;
number_of_languages = 1;
start_language = is_japanese ? Language::LANGUAGE_JAPANESE : Language::LANGUAGE_ENGLISH;
}
else // PAL
{
number_of_languages = 6;
start_language = Language::LANGUAGE_ENGLISH;
}
m_image_width = GC_BANNER_WIDTH;
m_image_height = GC_BANNER_HEIGHT;
m_image_buffer = std::vector<u32>(m_image_width * m_image_height);
ColorUtil::decode5A3image(m_image_buffer.data(), banner_file.image, m_image_width,
m_image_height);
for (u32 i = 0; i < number_of_languages; ++i)
{
const GCBannerInformation& info = banner_file.information[i];
Language language = static_cast<Language>(static_cast<int>(start_language) + i);
std::string description = DecodeString(info.description);
if (!description.empty())
m_descriptions[language] = description;
std::string short_name = DecodeString(info.short_name);
if (!short_name.empty())
m_short_names[language] = short_name;
std::string long_name = DecodeString(info.long_name);
if (!long_name.empty())
m_long_names[language] = long_name;
std::string short_maker = DecodeString(info.short_maker);
if (!short_maker.empty())
m_short_makers[language] = short_maker;
std::string long_maker = DecodeString(info.long_maker);
if (!long_maker.empty())
m_long_makers[language] = long_maker;
}
}
} // namespace