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