165 lines
3.8 KiB
C++
165 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 <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/CommonTypes.h"
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#include "Common/Logging/Log.h"
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#include "Common/MathUtil.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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#define ALIGN_40(x) ROUND_UP(Common::swap32(x), 0x40)
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namespace DiscIO
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{
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CVolumeWAD::CVolumeWAD(std::unique_ptr<IBlobReader> reader)
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: m_pReader(std::move(reader)), m_offset(0), m_tmd_offset(0), m_opening_bnr_offset(0),
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m_hdr_size(0), m_cert_size(0), m_tick_size(0), m_tmd_size(0), m_data_size(0)
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{
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// Source: http://wiibrew.org/wiki/WAD_files
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Read(0x00, 4, (u8*)&m_hdr_size);
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Read(0x08, 4, (u8*)&m_cert_size);
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Read(0x10, 4, (u8*)&m_tick_size);
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Read(0x14, 4, (u8*)&m_tmd_size);
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Read(0x18, 4, (u8*)&m_data_size);
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m_offset = ALIGN_40(m_hdr_size) + ALIGN_40(m_cert_size);
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m_tmd_offset = ALIGN_40(m_hdr_size) + ALIGN_40(m_cert_size) + ALIGN_40(m_tick_size);
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m_opening_bnr_offset = m_tmd_offset + ALIGN_40(m_tmd_size) + ALIGN_40(m_data_size);
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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* _pBuffer, 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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if (m_pReader == nullptr)
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return false;
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return m_pReader->Read(_Offset, _Length, _pBuffer);
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}
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Country CVolumeWAD::GetCountry() const
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{
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if (!m_pReader)
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return Country::COUNTRY_UNKNOWN;
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// read the last digit of the titleID in the ticket
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u8 country_code;
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Read(m_tmd_offset + 0x0193, 1, &country_code);
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if (country_code == 2) // SYSMENU
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{
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u16 title_version = 0;
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Read(m_tmd_offset + 0x01dc, 2, (u8*)&title_version);
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country_code = GetSysMenuRegion(Common::swap16(title_version));
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}
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return CountrySwitch(country_code);
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}
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std::string CVolumeWAD::GetUniqueID() const
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{
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char GameCode[6];
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if (!Read(m_offset + 0x01E0, 4, (u8*)GameCode))
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return "0";
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std::string temp = GetMakerID();
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GameCode[4] = temp.at(0);
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GameCode[5] = temp.at(1);
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return DecodeString(GameCode);
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}
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std::string CVolumeWAD::GetMakerID() const
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{
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char temp[2] = {1};
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// Some weird channels use 0x0000 in place of the MakerID, so we need a check there
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if (!Read(0x198 + m_tmd_offset, 2, (u8*)temp) || temp[0] == 0 || temp[1] == 0)
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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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if (!Read(m_offset + 0x01DC, sizeof(u64), reinterpret_cast<u8*>(buffer)))
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return false;
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*buffer = Common::swap64(*buffer);
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return true;
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}
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u16 CVolumeWAD::GetRevision() const
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{
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u16 revision;
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if (!m_pReader->Read(m_tmd_offset + 0x1dc, 2, (u8*)&revision))
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return 0;
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return Common::swap16(revision);
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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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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_pReader ? m_pReader->GetBlobType() : BlobType::PLAIN;
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}
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u64 CVolumeWAD::GetSize() const
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{
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if (m_pReader)
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return m_pReader->GetDataSize();
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else
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return 0;
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}
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u64 CVolumeWAD::GetRawSize() const
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{
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if (m_pReader)
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return m_pReader->GetRawSize();
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else
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return 0;
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}
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} // namespace
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