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// Copyright 2009 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include <cstddef>
#include <cstring>
#include <locale>
#include <map>
#include <memory>
#include <string>
#include <utility>
#include <vector>
#include "Common/Align.h"
#include "Common/Assert.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/Volume.h"
#include "DiscIO/VolumeWad.h"
namespace DiscIO
{
CVolumeWAD::CVolumeWAD(std::unique_ptr<IBlobReader> reader) : m_reader(std::move(reader))
{
_assert_(m_reader);
// Source: http://wiibrew.org/wiki/WAD_files
ReadSwapped(0x00, &m_hdr_size, false);
ReadSwapped(0x08, &m_cert_size, false);
ReadSwapped(0x10, &m_tick_size, false);
ReadSwapped(0x14, &m_tmd_size, false);
ReadSwapped(0x18, &m_data_size, false);
m_offset = Common::AlignUp(m_hdr_size, 0x40) + Common::AlignUp(m_cert_size, 0x40);
m_tmd_offset = Common::AlignUp(m_hdr_size, 0x40) + Common::AlignUp(m_cert_size, 0x40) +
Common::AlignUp(m_tick_size, 0x40);
m_opening_bnr_offset =
m_tmd_offset + Common::AlignUp(m_tmd_size, 0x40) + Common::AlignUp(m_data_size, 0x40);
if (m_tmd_size > 1024 * 1024 * 4)
{
ERROR_LOG(DISCIO, "TMD is too large: %u bytes", m_tmd_size);
return;
}
std::vector<u8> tmd_buffer(m_tmd_size);
Read(m_tmd_offset, m_tmd_size, tmd_buffer.data(), false);
m_tmd.SetBytes(std::move(tmd_buffer));
}
CVolumeWAD::~CVolumeWAD()
{
}
bool CVolumeWAD::Read(u64 offset, u64 length, u8* buffer, bool decrypt) const
{
if (decrypt)
PanicAlertT("Tried to decrypt data from a non-Wii volume");
return m_reader->Read(offset, length, buffer);
}
Region CVolumeWAD::GetRegion() const
{
if (!m_tmd.IsValid())
return Region::UNKNOWN_REGION;
return m_tmd.GetRegion();
}
Country CVolumeWAD::GetCountry() const
{
if (!m_tmd.IsValid())
return Country::COUNTRY_UNKNOWN;
u8 country_code = static_cast<u8>(m_tmd.GetTitleId() & 0xff);
if (country_code == 2) // SYSMENU
return TypicalCountryForRegion(GetSysMenuRegion(m_tmd.GetTitleVersion()));
return CountrySwitch(country_code);
}
IOS::ES::TMDReader CVolumeWAD::GetTMD() const
{
return m_tmd;
}
std::string CVolumeWAD::GetGameID() const
{
return m_tmd.GetGameID();
}
std::string CVolumeWAD::GetMakerID() const
{
char temp[2];
if (!Read(0x198 + m_tmd_offset, 2, (u8*)temp))
return "00";
// Some weird channels use 0x0000 in place of the MakerID, so we need a check here
const std::locale& c_locale = std::locale::classic();
if (!std::isprint(temp[0], c_locale) || !std::isprint(temp[1], c_locale))
return "00";
return DecodeString(temp);
}
bool CVolumeWAD::GetTitleID(u64* buffer) const
{
return ReadSwapped(m_offset + 0x01DC, buffer, false);
}
u16 CVolumeWAD::GetRevision() const
{
if (!m_tmd.IsValid())
return 0;
return m_tmd.GetTitleVersion();
}
Platform CVolumeWAD::GetVolumeType() const
{
return Platform::WII_WAD;
}
std::map<Language, std::string> CVolumeWAD::GetLongNames() const
{
if (!m_tmd.IsValid() || !IOS::ES::IsChannel(m_tmd.GetTitleId()))
return {};
std::vector<u8> name_data(NAMES_TOTAL_BYTES);
if (!Read(m_opening_bnr_offset + 0x9C, NAMES_TOTAL_BYTES, name_data.data()))
return std::map<Language, std::string>();
return ReadWiiNames(name_data);
}
std::vector<u32> CVolumeWAD::GetBanner(int* width, int* height) const
{
*width = 0;
*height = 0;
u64 title_id;
if (!GetTitleID(&title_id))
return std::vector<u32>();
return GetWiiBanner(width, height, title_id);
}
BlobType CVolumeWAD::GetBlobType() const
{
return m_reader->GetBlobType();
}
u64 CVolumeWAD::GetSize() const
{
return m_reader->GetDataSize();
}
u64 CVolumeWAD::GetRawSize() const
{
return m_reader->GetRawSize();
}
} // namespace
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