private bool OpenFromByteArrayStream(ByteArrayStream stream, out PlayerData playerData)
{
playerData = null;
if (stream == null)
{
return(false);
}
playerData = new PlayerData();
var instruments = playerData.Instruments;
var tracks = playerData.Tracks;
var sign = stream.ReadUInt(); // zero??
var num = stream.ReadUInt();
var pos = stream.ReadUInt();
stream.Seek(num);
var insCnt = stream.ReadUShort();
var trackCnt = (byte)stream.ReadUShort();
var tickPerMinute = stream.ReadUShort();
var tempo = stream.ReadFloat();
var tick1 = stream.ReadUInt();
playerData.HeaderEndTick = tick1;
var playTime = stream.ReadFloat();
var endTick = stream.ReadUInt();
stream.ReadUInt();
playerData.Encrypted = true;
playerData.Version = 1;
playerData.TrackDuration = playTime;
playerData.TickPerMinute = tickPerMinute;
playerData.Tempo = tempo;
playerData.HeaderEndTick = endTick;
stream.Seek(8);
instruments.Add(new InstrumentData()
{
InsNum = 0,
Name = "none"
});
for (int i = 0; i < insCnt; i++)
{
ushort insNo = stream.ReadUShort();
stream.Skip(1);
string oggName = stream.ReadString(0x40);
if (m_settingsDialog.RenameInst)
{
oggName = oggName.Replace(".wav", ".ogg");
}
instruments.Add(new InstrumentData()
{
InsNum = insNo,
Name = oggName,
});
}
for (byte trackIdx = 0; (int)trackIdx < (int)trackCnt; ++trackIdx)
{
stream.Skip(2);
var trackName = stream.ReadString(0x40);
stream.Skip(4);
var track = new TrackData(trackIdx)
{
TrackName = trackName,
};
tracks.AddTrack(track);
var eventsCount = (ushort)stream.ReadUInt();
for (ushort index = 0; (int)index < (int)eventsCount; ++index)
{
uint tick = stream.ReadUInt();
byte eventCode = stream.ReadByte();
switch (eventCode)
{
case 1:
{ // Note
var insNo = stream.ReadUShort();
var vel = stream.ReadByte();
var pan = stream.ReadByte();
var attribute = stream.ReadByte();
var duration = stream.ReadUShort();
stream.Skip(1);
InstrumentData inst =
playerData.Instruments.SingleOrDefault(ins => ins.InsNum == insNo);
EventData newEvent = new EventData()
{
TrackId = trackIdx,
Tick = (int)tick,
Attribute = attribute,
Duration = duration,
EventType = EventType.Note,
Instrument = inst,
Vel = vel,
Pan = pan
};
track.AddEvent(newEvent);
}
break;
case 2:
{
var volume = stream.ReadByte();
stream.Skip(7);
var newEvent = new EventData()
{
TrackId = trackIdx,
Tick = (int)tick,
EventType = EventType.Volume,
Volume = volume
};
track.AddEvent(newEvent);
}
break;
case 3:
{
var tempo2 = stream.ReadFloat();
stream.Skip(4);
var newEvent = new EventData()
{
TrackId = trackIdx,
Tick = (int)tick,
EventType = EventType.Tempo,
Tempo = tempo2
};
track.AddEvent(newEvent);
}
break;
case 4:
stream.Skip(8);
break;
default:
throw new Exception("Failed to read op");
}
}
}
return(true);
}
