public NitroOverlay(NitroROM rom, uint id)
{
m_ROM = rom;
m_ID = id;
bool autorw = !m_ROM.CanRW();
if (autorw)
{
m_ROM.BeginRW();
}
m_OVTEntryAddr = m_ROM.GetOverlayEntryOffset(m_ID);
m_FileID = m_ROM.GetFileIDFromOverlayID(m_ID);
m_RAMAddr = m_ROM.Read32(m_OVTEntryAddr + 0x04);
Byte flags = m_ROM.Read8(m_OVTEntryAddr + 0x1F);
m_Data = m_ROM.ExtractFile(m_FileID);
if ((flags & 0x01) == 0x01)
{
Jap77.Decompress(ref m_Data);
}
if (autorw)
{
m_ROM.EndRW();
}
}
private void Patch_v1(BackgroundWorker lazyman)
{
lazyman.ReportProgress(100);
// read the ARM9 binary, decompress it and write it back
m_FileStream.Position = 0x2C;
int oldsize = (int)(m_BinReader.ReadUInt32() - 0x4000);
m_FileStream.Position = 0x8000;
byte[] binary = m_BinReader.ReadBytes(oldsize);
Jap77.Decompress(ref binary);
lazyman.ReportProgress(150);
int newsize = (binary.Length + 3) & ~3;
int delta = newsize - oldsize;
MakeRoom((uint)(0x8000 + oldsize), (uint)delta);
m_FileStream.Position = 0x8000;
m_BinWriter.Write(binary);
lazyman.ReportProgress(199);
// patch the loader code so that it doesn't try to decompress
// the already decompressed binary
UInt32 nop = 0xE1A00000;
m_FileStream.Position = 0x484C;
m_BinWriter.Write(nop);
m_BinWriter.Write(nop);
m_BinWriter.Write(nop);
int fixstart = 0x8000 + oldsize;
AutoFix(0xFFFF, (uint)fixstart, delta);
// fix the ARM9 binary size - important
uint newarm9size = (uint)(0x4000 + newsize);
m_FileStream.Position = 0x2C;
m_BinWriter.Write(newarm9size);
}
public NitroOverlay(NitroROM rom, uint id)
{
m_ROM = rom;
m_ID = id;
if (Program.m_IsROMFolder)
{
List <Ndst.Overlay> overlays = JsonConvert.DeserializeObject <List <Ndst.Overlay> >(NitroROM.GetExtractedLines("__ROM__/arm9Overlays.json"));
Ndst.Overlay o = overlays.Where(x => x.Id == id).ElementAt(0);
m_FileID = o.FileId;
m_RAMAddr = o.RAMAddress;
m_Data = NitroROM.GetExtractedBytes("__ROM__/Arm9/" + id + ".bin");
if ((o.Flags & 0x01000000) > 0)
{
Jap77.Decompress(ref m_Data);
}
return;
}
bool autorw = !m_ROM.CanRW();
if (autorw)
{
m_ROM.BeginRW();
}
m_OVTEntryAddr = m_ROM.GetOverlayEntryOffset(m_ID);
m_FileID = m_ROM.GetFileIDFromOverlayID(m_ID);
m_RAMAddr = m_ROM.Read32(m_OVTEntryAddr + 0x04);
Byte flags = m_ROM.Read8(m_OVTEntryAddr + 0x1F);
m_Data = m_ROM.ExtractFile(m_FileID);
if ((flags & 0x01) == 0x01)
{
Jap77.Decompress(ref m_Data);
}
if (autorw)
{
m_ROM.EndRW();
}
}
