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https://github.com/dolphin-emu/dolphin.git
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ac5c82b36b
This file is pretty small now that it doesn't handle Wii partitions anymore, so let's move its contents to Volume.cpp. This is also more consistent with how blob creation works.
130 lines
4 KiB
C++
130 lines
4 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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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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CBlobBigEndianReader be_reader(*reader);
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// Check for Wii
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u32 wii_magic = 0;
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be_reader.ReadSwapped(0x18, &wii_magic);
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u32 wii_container_magic = 0;
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be_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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be_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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be_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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