public XactSound(AudioEngine engine, SoundBank soundBank, BinaryReader soundReader)
{
_soundBank = soundBank;
var flags = soundReader.ReadByte();
_complexSound = (flags & 0x1) != 0;
var hasRPCs = (flags & 0x0E) != 0;
var hasDSPs = (flags & 0x10) != 0;
_categoryID = soundReader.ReadUInt16();
_volume = XactHelpers.ParseVolumeFromDecibels(soundReader.ReadByte());
_pitch = soundReader.ReadInt16() / 1000.0f;
soundReader.ReadByte(); //priority
soundReader.ReadUInt16(); // filter stuff?
var numClips = 0;
if (_complexSound)
{
numClips = soundReader.ReadByte();
}
else
{
_trackIndex = soundReader.ReadUInt16();
_waveBankIndex = soundReader.ReadByte();
}
if (!hasRPCs)
{
RpcCurves = new int[0];
}
else
{
var current = soundReader.BaseStream.Position;
// This doesn't seem to be used... might have been there
// to allow for some future file format expansion.
var dataLength = soundReader.ReadUInt16();
var numPresets = soundReader.ReadByte();
RpcCurves = new int[numPresets];
for (var i = 0; i < numPresets; i++)
{
RpcCurves[i] = engine.GetRpcIndex(soundReader.ReadUInt32());
}
// Just in case seek to the right spot.
soundReader.BaseStream.Seek(current + dataLength, SeekOrigin.Begin);
}
if (!hasDSPs)
{
_useReverb = false;
}
else
{
// The file format for this seems to follow the pattern for
// the RPC curves above, but in this case XACT only supports
// a single effect... Microsoft Reverb... so just set it.
_useReverb = true;
soundReader.BaseStream.Seek(7, SeekOrigin.Current);
}
if (_complexSound)
{
_soundClips = new XactClip[numClips];
for (int i = 0; i < numClips; i++)
{
_soundClips[i] = new XactClip(soundBank, soundReader, _useReverb);
}
}
var category = engine.Categories[_categoryID];
category.AddSound(this);
}