athena/src/athena/SkywardSwordFileWriter.cpp

67 lines
1.6 KiB
C++

#include "athena/SkywardSwordFileWriter.hpp"
#include "athena/SkywardSwordFile.hpp"
#include "athena/SkywardSwordQuest.hpp"
namespace athena
{
namespace io
{
SkywardSwordFileWriter::SkywardSwordFileWriter(atUint8* data, atUint64 len)
: base(data, len)
{
base::setEndian(Endian::BigEndian);
}
SkywardSwordFileWriter::SkywardSwordFileWriter(const std::string& filename)
: base(filename)
{
base::setEndian(Endian::BigEndian);
}
void SkywardSwordFileWriter::write(SkywardSwordFile* file)
{
if (!file)
{
atError("file cannot be NULL");
return;
}
atUint32 magic = (file->region() == Region::NTSC ? SkywardSwordFile::USMagic :
(file->region() == Region::NTSCJ ? SkywardSwordFile::JAMagic : SkywardSwordFile::EUMagic));
base::writeUint32(magic);
base::seek(0x1C, SeekOrigin::Begin);
base::writeUint32(0x1D);
std::vector<SkywardSwordQuest*> quests = file->questList();
int i = 0;
for (SkywardSwordQuest* q : quests)
{
if (q->length() != 0x53C0)
{
atError("q->data() not 0x53C0 bytes in length");
return;
}
// Update the checksums
q->fixChecksums();
// Write the save data
base::writeUBytes(q->data(), q->length());
atUint64 pos = base::position();
// Write the slots skip data
base::seek(0xFB60 + (i * 0x24), SeekOrigin::Begin);
base::writeUBytes(q->skipData(), 0x24);
base::seek(pos, SeekOrigin::Begin);
i++;
}
// write those padding bytes
base::seek(0xFBE0, SeekOrigin::Begin);
save();
}
} // io
} // zelda