void CompareSomeKnownSimilarFiles()
{
Directory.SetCurrentDirectory(@"C:\Users\Adib\Documents\Daigasso\Test Files");
JbMgrFormat.JbMgrItem swordmgr, readymgr, harumgr;
// piano?
var sword1 = new BDXRecord("HEART OF SWORD (L@DX).bdx");
var sword2 = new BBPRecord("ＨＥＡＲＴ ＯＦ ＳＷＯＲＤ (ＤＸいしょく＠Ｌ＠ＤＸ).bbp");
var sword1bbp = BDX2BBP.Convert(sword1.bdx, out swordmgr);
// guitar?
var ready1 = new BDXRecord("Sobakasu (Rurouni Kenshin OP1).bdx");
var ready2 = new BBPRecord("そばかす (ＤＸいしょく＠Ｎｉｎｔｅｎｄｏ).bbp");
var ready1bbp = BDX2BBP.Convert(ready1.bdx, out readymgr);
// no karaoke
var haru1 = new BDXRecord("Haru no Umi.bdx");
var haru2 = new BBPRecord("(無料)春の海 (ＤＸいしょく＠Ｎｉｎｔｅｎｄｏ).bbp");
var haru1bbp = BDX2BBP.Convert(haru1.bdx, out harumgr);
}
void LookForSimilarSongs()
{
Func<byte[], int> hash = bytes =>
{
return bytes.Take(1000).Aggregate(0, (a, b) => a * 23 + b);
};
var bdxFiles = Directory.EnumerateFiles(@"C:\Users\Adib\Documents\Daigasso\BDX Mega Pack 2.4", "*.bdx", SearchOption.AllDirectories);
var bbpFiles = Directory.EnumerateFiles(@"C:\Users\Adib\Documents\Daigasso\BBP Mega Pack 1.1", "*ＤＸいしょく*.bbp");
var q = (from b1 in bdxFiles
let h1 = hash(new BDXRecord(b1).bdx.channelNotes[0].notes)
where h1 != 0
join b2 in bbpFiles on h1 equals hash(new BBPRecord(b2).bbp.channelNotes[0].notes)
select new { h1, b1, b2 });
foreach (var x in q)
{
var bdx = new BDXRecord(x.b1).bdx;
var bbp = new BBPRecord(x.b2).bbp;
var s1 = bdx.channelNotes.Take(8).Select(y => hash(y.notes));
var s2 = bbp.channelNotes.Take(8).Select(y => hash(y.notes));
if (s1.Zip(s2, (h1, h2) => h1 == h2).Count(b => b) < 7) continue;
if (bdx.channelInfo.Any(c => c.playType == PlayType.Guitar))
{
Debug.Write("[GT] ");
}
else if (bdx.channelInfo.Any(c => c.playType == PlayType.Piano))
{
Debug.Write("[KB] ");
}
else Debug.Write("[ ] ");
Debug.WriteLine($"{Path.GetFileName(x.b1)}\t{Path.GetFileName(x.b2)}");
}
}
void TestBDXAssertions()
{
var bdxFiles = Directory.EnumerateFiles(@"C:\Users\Adib\Documents\Daigasso\BDX Mega Pack 2.4", "*.bdx", SearchOption.AllDirectories);
foreach (var path in bdxFiles)
{
try
{
if (new FileInfo(path).Length != 32768) throw new Exception($"Wrong filesize {new FileInfo(path).Length}");
var bdx = new BDXRecord(path).bdx;
if (bdx.dateCreated != 0)
{
var date1 = BitConverter.GetBytes(bdx.dateCreated);
new DateTime(2000 + date1[0], date1[1], date1[2]);
}
if (bdx.dateModified != 0)
{
var date2 = BitConverter.GetBytes(bdx.dateModified);
new DateTime(2000 + date2[0], date2[1], date2[2]);
}
if (bdx.definitelyZero1 != 0) throw new Exception("not zero1");
if (bdx.definitelyZero2 != 0) throw new Exception("not zero2");
if (bdx.definitelyZero3 != 0) throw new Exception("not zero3");
if (bdx.definitelyZero4.Any(x => x != 0)) throw new Exception("not zero4");
if (bdx.channelInfo.Any(x => x.zero != 0)) throw new Exception("not chanzero");
if (bdx.chanInfo5.Any(x => x.stuff.Any(y => y.zero != 0))) throw new Exception("not chan5zero2");
}
catch (Exception e)
{
Debug.WriteLine($"{e.Message}) {path}");
}
}
}