mirror of
https://github.com/dolphin-emu/dolphin.git
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235ecfbed7
This makes the code cleaner and also leads to some user-visible changes: The wx game properties will no longer let the user select WAD languages that don't have any names. The Qt game list will now display names using the languages set in the configuration instead of always using English for PAL GC games and Japanese for WADs. If a WAD doesn't have a name in the user's preferred language, English is now selected as a fallback before Japanese.
172 lines
3.9 KiB
C++
172 lines
3.9 KiB
C++
// Copyright 2013 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 <algorithm>
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#include <cstddef>
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#include <map>
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#include <string>
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#include <vector>
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#include "Common/CommonTypes.h"
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#include "Common/MathUtil.h"
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#include "Common/StringUtil.h"
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#include "DiscIO/Blob.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(IBlobReader* _pReader)
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: m_pReader(_pReader), 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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IVolume::ECountry CVolumeWAD::GetCountry() const
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{
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if (!m_pReader)
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return 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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std::string temp = GetMakerID();
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char GameCode[8];
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if (!Read(m_offset + 0x01E0, 4, (u8*)GameCode))
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return "0";
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GameCode[4] = temp.at(0);
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GameCode[5] = temp.at(1);
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GameCode[6] = 0;
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return GameCode;
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}
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std::string CVolumeWAD::GetMakerID() const
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{
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char temp[3] = {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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temp[2] = 0;
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return temp;
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}
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bool CVolumeWAD::GetTitleID(u8* _pBuffer) const
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{
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if (!Read(m_offset + 0x01DC, 8, _pBuffer))
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return false;
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return true;
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}
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int 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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bool CVolumeWAD::IsWadFile() const
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{
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return true;
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}
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std::map<IVolume::ELanguage, std::string> CVolumeWAD::GetNames() const
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{
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std::map<IVolume::ELanguage, std::string> names;
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u32 footer_size;
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if (!Read(0x1C, 4, (u8*)&footer_size))
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{
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return names;
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}
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footer_size = Common::swap32(footer_size);
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//Japanese, English, German, French, Spanish, Italian, Dutch, Simplified Chinese, Traditional Chinese, Korean
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for (int i = 0; i < 10; ++i)
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{
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static const u32 string_length = 42;
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static const u32 bytes_length = string_length * sizeof(u16);
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u16 temp[string_length];
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if (footer_size >= 0xF1 && Read(0x9C + (i * bytes_length) + m_opening_bnr_offset, bytes_length, (u8*)&temp))
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{
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std::wstring out_temp;
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out_temp.resize(string_length);
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std::transform(temp, temp + out_temp.size(), out_temp.begin(), (u16(&)(u16))Common::swap16);
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out_temp.erase(std::find(out_temp.begin(), out_temp.end(), 0x00), out_temp.end());
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std::string name = UTF16ToUTF8(out_temp);
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if (!name.empty())
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names[(IVolume::ELanguage)i] = name;
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}
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}
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return names;
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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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