133 lines
4.1 KiB
C++
133 lines
4.1 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 "DiscIO/Volume.h"
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#include <algorithm>
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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/ColorUtil.h"
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#include "Common/CommonTypes.h"
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#include "Common/FileUtil.h"
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#include "Common/NandPaths.h"
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#include "Common/StringUtil.h"
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#include "Common/Swap.h"
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#include "DiscIO/Blob.h"
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#include "DiscIO/Enums.h"
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#include "DiscIO/VolumeDirectory.h"
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#include "DiscIO/VolumeGC.h"
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#include "DiscIO/VolumeWad.h"
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#include "DiscIO/VolumeWiiCrypted.h"
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namespace DiscIO
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{
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static const unsigned int WII_BANNER_WIDTH = 192;
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static const unsigned int WII_BANNER_HEIGHT = 64;
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static const unsigned int WII_BANNER_SIZE = WII_BANNER_WIDTH * WII_BANNER_HEIGHT * 2;
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static const unsigned int WII_BANNER_OFFSET = 0xA0;
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const IOS::ES::TicketReader IVolume::INVALID_TICKET{};
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const IOS::ES::TMDReader IVolume::INVALID_TMD{};
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std::vector<u32> IVolume::GetWiiBanner(int* width, int* height, u64 title_id)
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{
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*width = 0;
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*height = 0;
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const std::string file_name =
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Common::GetTitleDataPath(title_id, Common::FROM_CONFIGURED_ROOT) + "banner.bin";
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if (!File::Exists(file_name))
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return std::vector<u32>();
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if (File::GetSize(file_name) < WII_BANNER_OFFSET + WII_BANNER_SIZE)
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return std::vector<u32>();
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File::IOFile file(file_name, "rb");
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if (!file.Seek(WII_BANNER_OFFSET, SEEK_SET))
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return std::vector<u32>();
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std::vector<u8> banner_file(WII_BANNER_SIZE);
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if (!file.ReadBytes(banner_file.data(), banner_file.size()))
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return std::vector<u32>();
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std::vector<u32> image_buffer(WII_BANNER_WIDTH * WII_BANNER_HEIGHT);
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ColorUtil::decode5A3image(image_buffer.data(), (u16*)banner_file.data(), WII_BANNER_WIDTH,
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WII_BANNER_HEIGHT);
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*width = WII_BANNER_WIDTH;
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*height = WII_BANNER_HEIGHT;
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return image_buffer;
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}
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std::map<Language, std::string> IVolume::ReadWiiNames(const std::vector<u8>& data)
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{
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std::map<Language, std::string> names;
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for (size_t i = 0; i < NUMBER_OF_LANGUAGES; ++i)
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{
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size_t name_start = NAME_BYTES_LENGTH * i;
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size_t name_end = name_start + NAME_BYTES_LENGTH;
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if (data.size() >= name_end)
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{
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u16* temp = (u16*)(data.data() + name_start);
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std::wstring out_temp(NAME_STRING_LENGTH, '\0');
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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[static_cast<Language>(i)] = name;
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}
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}
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return names;
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}
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std::unique_ptr<IVolume> CreateVolumeFromFilename(const std::string& filename)
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{
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std::unique_ptr<IBlobReader> reader(CreateBlobReader(filename));
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if (reader == nullptr)
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return nullptr;
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// Check for Wii
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u32 wii_magic = 0;
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reader->ReadSwapped(0x18, &wii_magic);
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u32 wii_container_magic = 0;
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reader->ReadSwapped(0x60, &wii_container_magic);
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if (wii_magic == 0x5D1C9EA3 && wii_container_magic != 0)
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return std::make_unique<CVolumeGC>(std::move(reader));
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if (wii_magic == 0x5D1C9EA3 && wii_container_magic == 0)
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return std::make_unique<CVolumeWiiCrypted>(std::move(reader));
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// Check for WAD
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// 0x206962 for boot2 wads
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u32 wad_magic = 0;
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reader->ReadSwapped(0x02, &wad_magic);
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if (wad_magic == 0x00204973 || wad_magic == 0x00206962)
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return std::make_unique<CVolumeWAD>(std::move(reader));
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// Check for GC
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u32 gc_magic = 0;
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reader->ReadSwapped(0x1C, &gc_magic);
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if (gc_magic == 0xC2339F3D)
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return std::make_unique<CVolumeGC>(std::move(reader));
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// No known magic words found
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return nullptr;
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}
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std::unique_ptr<IVolume> CreateVolumeFromDirectory(const std::string& directory, bool is_wii,
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const std::string& apploader,
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const std::string& dol)
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{
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if (CVolumeDirectory::IsValidDirectory(directory))
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return std::make_unique<CVolumeDirectory>(directory, is_wii, apploader, dol);
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return nullptr;
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}
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} // namespace
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