private void WriteHeadBlock3(BinaryWriter writer)
{
writer.Write((byte)ChannelCount);
writer.Write((byte)0); //padding
writer.Write((short)0); //padding
int baseOffset = HeadBlockTableSize + HeadBlock1Size + HeadBlock2Size + 4;
int offsetTableSize = ChannelCount * 8;
for (int i = 0; i < ChannelCount; i++)
{
writer.Write(OffsetMarker);
writer.Write(baseOffset + offsetTableSize + ChannelInfoSize * i);
}
for (int i = 0; i < ChannelCount; i++)
{
writer.Write(OffsetMarker);
if (Codec != NwCodec.GcAdpcm)
{
writer.Write(0);
continue;
}
GcAdpcmChannel channel = Adpcm.Channels[i];
GcAdpcmContext loopContext = Adpcm.Looping ? channel.LoopContext : channel.StartContext;
writer.Write(baseOffset + offsetTableSize + ChannelInfoSize * i + 8);
writer.Write(channel.Coefs.ToByteArray(Endianness.BigEndian));
writer.Write(channel.Gain);
channel.StartContext.Write(writer);
loopContext.Write(writer);
writer.Write((short)0);
}
}
private void WriteInfoBlock3(BinaryWriter writer)
{
int channelTableSize = 4 + 8 * ChannelCount;
int trackTableSize = IncludeTrackInformation ? 0x14 * TrackCount : 0;
writer.Write(ChannelCount);
for (int i = 0; i < ChannelCount; i++)
{
writer.Write((short)ReferenceType.ChannelInfo);
writer.Write((short)0);
writer.Write(channelTableSize + trackTableSize + 8 * i);
}
if (IncludeTrackInformation && Tracks != null)
{
foreach (AudioTrack track in Tracks)
{
writer.Write((byte)track.Volume);
writer.Write((byte)track.Panning);
writer.Write((short)0);
writer.Write((short)ReferenceType.ByteTable);
writer.Write((short)0);
writer.Write(0xc);
writer.Write(track.ChannelCount);
writer.Write((byte)track.ChannelLeft);
writer.Write((byte)track.ChannelRight);
writer.Write((short)0);
}
}
int channelTable2Size = 8 * ChannelCount;
for (int i = 0; i < ChannelCount; i++)
{
if (Codec == NwCodec.GcAdpcm)
{
writer.Write((short)ReferenceType.GcAdpcmInfo);
writer.Write((short)0);
writer.Write(channelTable2Size - 8 * i + ChannelInfoSize * i);
}
else
{
writer.Write(0);
writer.Write(-1);
}
}
if (Codec != NwCodec.GcAdpcm)
{
return;
}
foreach (var channel in Adpcm.Channels)
{
GcAdpcmContext loopContext = Adpcm.Looping ? channel.LoopContext : channel.StartContext;
writer.Write(channel.Coefs.ToByteArray(Endianness));
channel.StartContext.Write(writer);
loopContext.Write(writer);
writer.Write((short)0);
}
}
