mirror of
https://github.com/dolphin-emu/dolphin.git
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![JosJuice](/assets/img/avatar_default.png)
Normal users don't care about it. In fact, people care so little about it that the Wii implementation of it was broken starting from when it was implemented (eb65601
) to 7 years later (e0a47c1
), apparently without anyone reporting it.
270 lines
6.2 KiB
C++
270 lines
6.2 KiB
C++
// Copyright 2008 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 <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/Assert.h"
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#include "Common/ColorUtil.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/Filesystem.h"
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#include "DiscIO/Volume.h"
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#include "DiscIO/VolumeGC.h"
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namespace DiscIO
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{
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CVolumeGC::CVolumeGC(std::unique_ptr<IBlobReader> reader) : m_pReader(std::move(reader))
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{
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_assert_(m_pReader);
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}
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CVolumeGC::~CVolumeGC()
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{
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}
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bool CVolumeGC::Read(u64 _Offset, u64 _Length, u8* _pBuffer, const Partition& partition) const
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{
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if (partition != PARTITION_NONE)
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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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std::string CVolumeGC::GetGameID(const Partition& partition) const
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{
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static const std::string NO_UID("NO_UID");
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char ID[6];
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if (!Read(0, sizeof(ID), reinterpret_cast<u8*>(ID), partition))
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{
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PanicAlertT("Failed to read unique ID from disc image");
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return NO_UID;
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}
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return DecodeString(ID);
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}
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Region CVolumeGC::GetRegion() const
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{
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u8 country_code;
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if (!ReadSwapped(3, &country_code, PARTITION_NONE))
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return Region::UNKNOWN_REGION;
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return RegionSwitchGC(country_code);
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}
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Country CVolumeGC::GetCountry(const Partition& partition) const
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{
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u8 country_code;
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if (!ReadSwapped(3, &country_code, partition))
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return Country::COUNTRY_UNKNOWN;
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return CountrySwitch(country_code);
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}
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std::string CVolumeGC::GetMakerID(const Partition& partition) const
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{
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char makerID[2];
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if (!Read(0x4, 0x2, (u8*)&makerID, partition))
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return std::string();
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return DecodeString(makerID);
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}
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u16 CVolumeGC::GetRevision(const Partition& partition) const
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{
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u8 revision;
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if (!ReadSwapped(7, &revision, partition))
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return 0;
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return revision;
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}
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std::string CVolumeGC::GetInternalName(const Partition& partition) const
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{
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char name[0x60];
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if (Read(0x20, 0x60, (u8*)name, partition))
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return DecodeString(name);
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return "";
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}
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std::map<Language, std::string> CVolumeGC::GetShortNames() const
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{
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LoadBannerFile();
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return m_short_names;
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}
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std::map<Language, std::string> CVolumeGC::GetLongNames() const
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{
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LoadBannerFile();
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return m_long_names;
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}
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std::map<Language, std::string> CVolumeGC::GetShortMakers() const
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{
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LoadBannerFile();
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return m_short_makers;
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}
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std::map<Language, std::string> CVolumeGC::GetLongMakers() const
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{
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LoadBannerFile();
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return m_long_makers;
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}
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std::map<Language, std::string> CVolumeGC::GetDescriptions() const
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{
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LoadBannerFile();
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return m_descriptions;
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}
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std::vector<u32> CVolumeGC::GetBanner(int* width, int* height) const
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{
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LoadBannerFile();
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*width = m_image_width;
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*height = m_image_height;
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return m_image_buffer;
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}
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std::string CVolumeGC::GetApploaderDate(const Partition& partition) const
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{
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char date[16];
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if (!Read(0x2440, 0x10, (u8*)&date, partition))
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return std::string();
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return DecodeString(date);
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}
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BlobType CVolumeGC::GetBlobType() const
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{
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return m_pReader->GetBlobType();
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}
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u64 CVolumeGC::GetSize() const
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{
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return m_pReader->GetDataSize();
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}
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u64 CVolumeGC::GetRawSize() const
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{
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return m_pReader->GetRawSize();
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}
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u8 CVolumeGC::GetDiscNumber(const Partition& partition) const
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{
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u8 disc_number = 0;
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ReadSwapped(6, &disc_number, partition);
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return disc_number;
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}
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Platform CVolumeGC::GetVolumeType() const
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{
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return Platform::GAMECUBE_DISC;
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}
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void CVolumeGC::LoadBannerFile() const
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{
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// If opening.bnr has been loaded already, return immediately
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if (m_banner_loaded)
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return;
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m_banner_loaded = true;
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GCBanner banner_file;
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std::unique_ptr<IFileSystem> file_system(CreateFileSystem(this, PARTITION_NONE));
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if (!file_system)
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return;
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size_t file_size = static_cast<size_t>(file_system->GetFileSize("opening.bnr"));
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constexpr int BNR1_MAGIC = 0x31524e42;
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constexpr int BNR2_MAGIC = 0x32524e42;
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if (file_size != BNR1_SIZE && file_size != BNR2_SIZE)
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{
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WARN_LOG(DISCIO, "Invalid opening.bnr. Size: %0zx", file_size);
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return;
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}
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file_system->ReadFile("opening.bnr", reinterpret_cast<u8*>(&banner_file), file_size);
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bool is_bnr1;
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if (banner_file.id == BNR1_MAGIC && file_size == BNR1_SIZE)
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{
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is_bnr1 = true;
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}
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else if (banner_file.id == BNR2_MAGIC && file_size == BNR2_SIZE)
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{
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is_bnr1 = false;
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}
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else
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{
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WARN_LOG(DISCIO, "Invalid opening.bnr. Type: %0x Size: %0zx", banner_file.id, file_size);
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return;
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}
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ExtractBannerInformation(banner_file, is_bnr1);
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}
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void CVolumeGC::ExtractBannerInformation(const GCBanner& banner_file, bool is_bnr1) const
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{
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u32 number_of_languages = 0;
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Language start_language = Language::LANGUAGE_UNKNOWN;
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if (is_bnr1) // NTSC
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{
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bool is_japanese = GetRegion() == Region::NTSC_J;
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number_of_languages = 1;
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start_language = is_japanese ? Language::LANGUAGE_JAPANESE : Language::LANGUAGE_ENGLISH;
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}
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else // PAL
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{
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number_of_languages = 6;
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start_language = Language::LANGUAGE_ENGLISH;
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}
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m_image_width = GC_BANNER_WIDTH;
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m_image_height = GC_BANNER_HEIGHT;
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m_image_buffer = std::vector<u32>(m_image_width * m_image_height);
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ColorUtil::decode5A3image(m_image_buffer.data(), banner_file.image, m_image_width,
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m_image_height);
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for (u32 i = 0; i < number_of_languages; ++i)
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{
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const GCBannerInformation& info = banner_file.information[i];
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Language language = static_cast<Language>(static_cast<int>(start_language) + i);
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std::string description = DecodeString(info.description);
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if (!description.empty())
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m_descriptions[language] = description;
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std::string short_name = DecodeString(info.short_name);
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if (!short_name.empty())
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m_short_names[language] = short_name;
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std::string long_name = DecodeString(info.long_name);
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if (!long_name.empty())
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m_long_names[language] = long_name;
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std::string short_maker = DecodeString(info.short_maker);
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if (!short_maker.empty())
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m_short_makers[language] = short_maker;
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std::string long_maker = DecodeString(info.long_maker);
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if (!long_maker.empty())
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m_long_makers[language] = long_maker;
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}
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}
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} // namespace
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