public void Play(int track, int numLoops, int startFrame, int duration, bool only_emulate)
{
if (numLoops != 0 || startFrame != 0)
{
_cd.track = track;
_cd.numLoops = numLoops;
_cd.start = startFrame;
_cd.duration = duration;
// Try to load the track from a compressed data file, and if found, use
// that. If not found, attempt to start regular Audio CD playback of
// the requested track.
string[] trackName = new string[2];
trackName[0] = string.Format("track{0}", track);
trackName[1] = string.Format("track{0:00}", track);
ISeekableAudioStream stream = null;
var directory = ServiceLocator.FileStorage.GetDirectoryName(_vm.Game.Path);
for (int i = 0; stream == null && i < 2; ++i)
{
var path = ScummHelper.LocatePath(directory, trackName[i]);
if (path != null)
{
// TODO: open stream
}
}
// Stop any currently playing emulated track
_mixer.StopHandle(_handle);
if (stream != null)
{
var start = new Timestamp(0, startFrame, 75);
var end = duration != 0 ? new Timestamp(0, startFrame + duration, 75) : stream.Length;
/*
* FIXME: Seems numLoops == 0 and numLoops == 1 both indicate a single repetition,
* while all other positive numbers indicate precisely the number of desired
* repetitions. Finally, -1 means infinitely many
*/
_emulating = true;
_handle = _mixer.PlayStream(SoundType.Music, LoopingAudioStream.Create(stream, start, end, (numLoops < 1) ? numLoops + 1 : numLoops), -1, _cd.volume, _cd.balance);
}
else
{
_emulating = false;
if (!only_emulate)
{
PlayCD(track, numLoops, startFrame, duration);
}
}
}
}
private void PlaySample(QueueElement elem)
{
var sampleData = _resMan.FetchRes(GetSampleId((int)elem.id));
for (var cnt = 0; cnt < MAX_ROOMS_PER_FX; cnt++)
{
if (_fxList[elem.id].roomVolList[cnt].roomNo != 0)
{
if ((_fxList[elem.id].roomVolList[cnt].roomNo == (int)Logic.ScriptVars[(int)ScriptVariableNames.SCREEN]) ||
(_fxList[elem.id].roomVolList[cnt].roomNo == -1))
{
byte volL = (byte)((_fxList[elem.id].roomVolList[cnt].leftVol * 10 * _sfxVolL) / 255);
byte volR = (byte)((_fxList[elem.id].roomVolList[cnt].rightVol * 10 * _sfxVolR) / 255);
sbyte pan = (sbyte)((volR - volL) / 2);
byte volume = (byte)((volR + volL) / 2);
if (SystemVars.Platform == Platform.PSX)
{
int size = sampleData.ToInt32(0);
var audStream = new LoopingAudioStream(new XAStream(new MemoryStream(sampleData, 4, size - 4), 11025), (_fxList[elem.id].type == FX_LOOP) ? 0 : 1);
elem.handle = _mixer.PlayStream(SoundType.SFX, audStream, (int)elem.id, volume, pan);
}
else
{
uint size = sampleData.ToUInt32(0x28);
AudioFlags flags;
if (sampleData.ToUInt16(0x22) == 16)
{
flags = AudioFlags.Is16Bits | AudioFlags.LittleEndian;
}
else
{
flags = AudioFlags.Unsigned;
}
if (sampleData.ToUInt16(0x16) == 2)
{
flags |= AudioFlags.Stereo;
}
var stream = new LoopingAudioStream(new RawStream(flags, 11025, false, new MemoryStream(sampleData, 0x2C, (int)size)),
(_fxList[elem.id].type == FX_LOOP) ? 0 : 1);
elem.handle = _mixer.PlayStream(SoundType.SFX, stream, (int)elem.id, volume, pan);
}
}
}
else
{
break;
}
}
}
private void PlaySample(QueueElement elem)
{
var sampleData = _resMan.FetchRes(GetSampleId((int)elem.id));
for (var cnt = 0; cnt < MAX_ROOMS_PER_FX; cnt++)
{
if (_fxList[elem.id].roomVolList[cnt].roomNo != 0)
{
if ((_fxList[elem.id].roomVolList[cnt].roomNo == (int)Logic.ScriptVars[(int)ScriptVariableNames.SCREEN]) ||
(_fxList[elem.id].roomVolList[cnt].roomNo == -1))
{
byte volL = (byte)((_fxList[elem.id].roomVolList[cnt].leftVol * 10 * _sfxVolL) / 255);
byte volR = (byte)((_fxList[elem.id].roomVolList[cnt].rightVol * 10 * _sfxVolR) / 255);
sbyte pan = (sbyte)((volR - volL) / 2);
byte volume = (byte)((volR + volL) / 2);
if (SystemVars.Platform == Platform.PSX)
{
int size = sampleData.ToInt32(0);
var audStream = new LoopingAudioStream(new XAStream(new MemoryStream(sampleData, 4, size - 4), 11025), (_fxList[elem.id].type == FX_LOOP) ? 0 : 1);
elem.handle = _mixer.PlayStream(SoundType.SFX, audStream, (int)elem.id, volume, pan);
}
else
{
uint size = sampleData.ToUInt32(0x28);
AudioFlags flags;
if (sampleData.ToUInt16(0x22) == 16)
flags = AudioFlags.Is16Bits | AudioFlags.LittleEndian;
else
flags = AudioFlags.Unsigned;
if (sampleData.ToUInt16(0x16) == 2)
flags |= AudioFlags.Stereo;
var stream = new LoopingAudioStream(new RawStream(flags, 11025, false, new MemoryStream(sampleData, 0x2C, (int)size)),
(_fxList[elem.id].type == FX_LOOP) ? 0 : 1);
elem.handle = _mixer.PlayStream(SoundType.SFX, stream, (int)elem.id, volume, pan);
}
}
}
else
break;
}
}
