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// Copyright 2008 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include <cstddef>
#include <cstring>
#include <memory>
#include <string>
#include <utility>
#include <vector>
#include "Common/CommonTypes.h"
#include "Common/Logging/Log.h"
#include "Common/StringUtil.h"
#include "DiscIO/Blob.h"
#include "DiscIO/Volume.h"
#include "DiscIO/VolumeCreator.h"
#include "DiscIO/VolumeDirectory.h"
#include "DiscIO/VolumeGC.h"
#include "DiscIO/VolumeWad.h"
#include "DiscIO/VolumeWiiCrypted.h"
namespace DiscIO
{
enum EDiscType
{
DISC_TYPE_UNK,
DISC_TYPE_WII,
DISC_TYPE_WII_CONTAINER,
DISC_TYPE_GC,
DISC_TYPE_WAD
};
EDiscType GetDiscType(IBlobReader& _rReader);
std::unique_ptr<IVolume> CreateVolumeFromFilename(const std::string& filename)
{
std::unique_ptr<IBlobReader> reader(CreateBlobReader(filename));
if (reader == nullptr)
return nullptr;
switch (GetDiscType(*reader))
{
case DISC_TYPE_WII:
case DISC_TYPE_GC:
return std::make_unique<CVolumeGC>(std::move(reader));
case DISC_TYPE_WAD:
return std::make_unique<CVolumeWAD>(std::move(reader));
case DISC_TYPE_WII_CONTAINER:
return std::make_unique<CVolumeWiiCrypted>(std::move(reader));
case DISC_TYPE_UNK:
return nullptr;
}
return nullptr;
}
std::unique_ptr<IVolume> CreateVolumeFromDirectory(const std::string& directory, bool is_wii,
const std::string& apploader,
const std::string& dol)
{
if (CVolumeDirectory::IsValidDirectory(directory))
return std::make_unique<CVolumeDirectory>(directory, is_wii, apploader, dol);
return nullptr;
}
EDiscType GetDiscType(IBlobReader& _rReader)
{
CBlobBigEndianReader Reader(_rReader);
// Check for Wii
u32 WiiMagic = 0;
Reader.ReadSwapped(0x18, &WiiMagic);
u32 WiiContainerMagic = 0;
Reader.ReadSwapped(0x60, &WiiContainerMagic);
if (WiiMagic == 0x5D1C9EA3 && WiiContainerMagic != 0)
return DISC_TYPE_WII;
if (WiiMagic == 0x5D1C9EA3 && WiiContainerMagic == 0)
return DISC_TYPE_WII_CONTAINER;
// Check for WAD
// 0x206962 for boot2 wads
u32 WADMagic = 0;
Reader.ReadSwapped(0x02, &WADMagic);
if (WADMagic == 0x00204973 || WADMagic == 0x00206962)
return DISC_TYPE_WAD;
// Check for GC
u32 GCMagic = 0;
Reader.ReadSwapped(0x1C, &GCMagic);
if (GCMagic == 0xC2339F3D)
return DISC_TYPE_GC;
// No known magic words found
return DISC_TYPE_UNK;
}
} // namespace
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