void readFile()
{
int rsize = 0;
if ((strnicmp( filename.c_str(), "cdrom0:", strlen("cdromN:")) == 0) ||
(strnicmp( filename.c_str(), "cdrom1:", strlen("cdromN:")) == 0))
{
int fi;
fi = CDVDFS_open(filename.c_str() + strlen("cdromN:"), 1);//RDONLY
if (fi < 0)
throw Exception::FileNotFound( filename );
CDVDFS_lseek( fi, 0, SEEK_SET );
rsize = CDVDFS_read( fi, (char*)data.GetPtr(), data.GetSizeInBytes() );
CDVDFS_close( fi );
}
else
{
FILE *f;
f = fopen( filename.c_str(), "rb" );
if( f == NULL )
Exception::FileNotFound( filename );
fseek( f, 0, SEEK_SET );
rsize = fread( data.GetPtr(), 1, data.GetSizeInBytes(), f );
fclose( f );
}
if( rsize < data.GetSizeInBytes() )
throw Exception::EndOfStream( filename );
}
u32 GetCRC() const
{
u32 CRC = 0;
const u32* srcdata = (u32*)data.GetPtr();
for(u32 i=data.GetSizeInBytes()/4; i; --i, ++srcdata)
CRC ^= *srcdata;
return CRC;
}