// From a file
public BBPRecord(string path)
{
FullPath = path;
if (Path.GetExtension(path).ToLower() == ".bin")
{
BIN2BBP.Convert(path, out mgrItem, out bbp, out vocaloid);
}
else if (Path.GetExtension(path).ToLower() == ".bdx")
{
var bytes = File.ReadAllBytes(path);
if (bytes.Length != 32768)
{
throw new InvalidDataException($"{path} has an incorrect filesize!");
}
var bdx = bytes.ToStruct<BDXFormat>();
bbp = BDX2BBP.Convert(bdx, out mgrItem);
//mgrItem = new JbMgrFormat.JbMgrItem() { Author = bdx.contributor.ToString() };
}
else
{
var buffer = File.ReadAllBytes(path);
mgrItem = buffer.Take(312).ToArray().ToStruct<JbMgrFormat.JbMgrItem>();
var bytes = buffer.Skip(312).ToArray();
var nums = Enumerable.Range(0, 17).Select(i => BitConverter.ToInt32(bytes, i * 4)).ToList();
var unc1 = Decompress(bytes, nums[3], nums[4]);
bbp = unc1.ToStruct<BBPFormat>();
if (nums[5] == 1) vocaloid = Decompress(bytes, nums[7], nums[8]);
}
}
BDX2BBP(BDXFormat bdx)
{
this.bdx = bdx;
bbp = new byte[Marshal.SizeOf<BBPFormat>()].ToStruct<BBPFormat>();
DoCommonStuff();
DoChannelStuff();
var instrTypes = bbp.channelInfo.Select(c => c.playType);
var hasPiano = instrTypes.Contains(PlayType.Piano);
var hasGuitar = instrTypes.Contains(PlayType.Guitar);
var hasDrum = instrTypes.Contains(PlayType.Drum);
if (hasPiano && hasGuitar) throw new Exception("Not expecting both to exist!!!");
if (hasPiano)
{
DoPianoStuff();
}
else if (hasGuitar)
{
DoGuitarStuff();
}
DoKaraokeStuff();
// DoMetadataStuff() // mainly Author
// metadata stuff temporarily here
mgr = JbMgrFormat.JbMgrItem.Empty;
//mgr.Author = bdx.contributor.ToString();
mgr.Author = "Degausser2.2a";
mgr.Title = bbp.title.ArrayToString();
mgr.TitleSimple = mgr.Title;
//mgr.Flags
mgr.ID = 0x80000001;
mgr.Flags = new JbMgrFormat.JbMgrItem.JbFlags
{
HasDrum = hasDrum,
HasGuitar = hasGuitar,
HasPiano = hasPiano,
HasLyrics = bdx.hasKaraoke != 0,
HasMelody = bdx.mainInstrument != 0xFF, // not sure about this
IsValid = true,
OnSD = true,
Parts = bdx.channelInfo.Count(c => c.instrument != 0)
};
}
public byte[] vocaloid; // uncompressed
// From known item and packpath
public BBPRecord(JbMgrFormat.JbMgrItem item, string path, int slot)
{
Slot = slot;
FullPath = path;
mgrItem = item;
if (item.Flags.OnSD)
{
var buffer = File.ReadAllBytes(path);
var bytes = buffer;
var nums = Enumerable.Range(0, 17).Select(i => BitConverter.ToInt32(bytes, i * 4)).ToList();
var unc1 = Decompress(bytes, nums[3], nums[4]);
bbp = unc1.ToStruct<BBPFormat>();
if (nums[5] == 1) vocaloid = Decompress(bytes, nums[7], nums[8]);
}
else
{
bbp = new BBPFormat
{
title = item.Title.StringToArray(250),
channelInfo = new BBPFormat.ChannelInfo[0]
};
}
}
