nod/lib/NOD.cpp

75 lines
1.8 KiB
C++

#include <stdio.h>
#include "NOD/NOD.hpp"
#include "NOD/DiscBase.hpp"
namespace NOD
{
LogVisor::LogModule LogModule("NODLib");
std::unique_ptr<IDiscIO> NewDiscIOISO(const SystemChar* path);
std::unique_ptr<IDiscIO> NewDiscIOWBFS(const SystemChar* path);
std::unique_ptr<DiscBase> OpenDiscFromImage(const SystemChar* path, bool& isWii)
{
/* Temporary file handle to determine image type */
std::unique_ptr<IFileIO> fio = NewFileIO(path);
if (!fio->exists())
{
LogModule.report(LogVisor::Error, _S("Unable to open '%s'"), path);
return std::unique_ptr<DiscBase>();
}
std::unique_ptr<IFileIO::IReadStream> rs = fio->beginReadStream();
isWii = false;
std::unique_ptr<IDiscIO> discIO;
uint32_t magic = 0;
if (rs->read(&magic, 4) != 4)
LogModule.report(LogVisor::FatalError, _S("Unable to read magic from '%s'"), path);
if (magic == NOD::SBig((uint32_t)'WBFS'))
{
discIO = NewDiscIOWBFS(path);
isWii = true;
}
else
{
rs->seek(0x18, SEEK_SET);
rs->read(&magic, 4);
magic = NOD::SBig(magic);
if (magic == 0x5D1C9EA3)
{
discIO = NewDiscIOISO(path);
isWii = true;
}
else
{
rs->read(&magic, 4);
magic = NOD::SBig(magic);
if (magic == 0xC2339F3D)
discIO = NewDiscIOISO(path);
}
}
if (!discIO)
{
LogModule.report(LogVisor::Error, _S("'%s' is not a valid image"), path);
return std::unique_ptr<DiscBase>();
}
if (isWii)
return std::unique_ptr<DiscBase>(new DiscWii(std::move(discIO)));
return std::unique_ptr<DiscBase>(new DiscGCN(std::move(discIO)));
}
std::unique_ptr<DiscBase> OpenDiscFromImage(const SystemChar* path)
{
bool isWii;
return OpenDiscFromImage(path, isWii);
}
}