// Checksums
protected override void SetChecksums()
{
for (int i = 0; i < BLOCK_COUNT; i++)
{
int ofs = ABO + (i * SIZE_BLOCK);
int len = chunkLength[BlockOrder[i]];
ushort chk = Checksums.CRC32(Data, ofs, len);
BitConverter.GetBytes(chk).CopyTo(Data, ofs + 0xFF6);
}
if (BAK.Length < SaveUtil.SIZE_G3RAW) // don't update HoF for half-sizes
{
return;
}
// Hall of Fame Checksums
{
ushort chk = Checksums.CRC32(Data, 0x1C000, SIZE_BLOCK_USED);
BitConverter.GetBytes(chk).CopyTo(Data, 0x1CFF4);
}
{
ushort chk = Checksums.CRC32(Data, 0x1D000, SIZE_BLOCK_USED);
BitConverter.GetBytes(chk).CopyTo(Data, 0x1DFF4);
}
}
private bool IsChunkValid(int i)
{
int ofs = ABO + (i * SIZE_BLOCK);
int len = chunkLength[BlockOrder[i]];
ushort chk = Checksums.CRC32(Data, ofs, len);
return(chk == BitConverter.ToUInt16(Data, ofs + 0xFF6));
}
private bool IsChunkValidHoF(int ofs)
{
ushort chk = Checksums.CRC32(Data, ofs, SIZE_BLOCK_USED);
if (chk != BitConverter.ToUInt16(Data, ofs + 0xFF4))
{
return(false);
}
return(true);
}
