private FMODAudioEngine()
{
FMODErr.Check(Factory.System_Create(ref _system));
uint version = 0;
FMODErr.Check(_system.getVersion(ref version));
if (version < VERSION.number)
{
throw new ApplicationException(
"Error! You are using an old version of FMOD "
+ version.ToString("X")
+ ". This program requires "
+ VERSION.number.ToString("X") + ".");
}
FMODErr.Check(_system.init(16, INITFLAG.NORMAL, IntPtr.Zero));
ChannelGroup channelGroup = null;
FMODErr.Check(_system.getMasterChannelGroup(ref channelGroup));
_masterChannelGroup = new FMODGrouping(this, channelGroup);
_scheduler = new EventLoopScheduler("AudioEngine");
_updateTimer = Observable.Interval(TimeSpan.FromMilliseconds(UpdateInterval), _scheduler).Do(_ => Update());
}
/// <summary>
/// Plays the sound on a free channel
/// </summary>
/// <param name="system">The system.</param>
public void Play(PlaybackEnd_Callback callback = null)
{
try
{
lock (_engine.Lock)
{
_endCallback = callback;
FMODErr.Check(
_engine.System.playSound(
CHANNELINDEX.FREE,
_sound,
true,
ref _channel));
if (_group != null)
{
FMODErr.Check(_channel.setChannelGroup(_group.ChannelGroup));
}
Volume = _volume;
_channel.setCallback(CHANNEL_CALLBACKTYPE.END, _channelCallbackDelegate, 0);
IsPaused = false;
}
}
catch (Exception e)
{
GameLog.Client.Audio.Error(e);
}
}
internal FMODGrouping([NotNull] FMODAudioEngine engine, string name)
{
if (engine == null)
{
throw new ArgumentNullException("engine");
}
_engine = engine;
FMODErr.Check(engine.System.createChannelGroup(name, ref _channelGroup));
}
/// <summary>
/// Initializes a new instance of the <see cref="FMODAudioTrack"/> class.
/// Loads the file and creates sound and channel
/// </summary>
internal FMODAudioTrack([NotNull] FMODAudioEngine engine, string filePath)
{
_engine = engine;
MODE creationMode = MODE.HARDWARE | MODE.CREATESTREAM | MODE.LOOP_OFF;
FMODErr.Check(_engine.System.createSound(filePath, creationMode, ref _sound));
// keep a reference on the callback delegate for passing to unmanaged code
_channelCallbackDelegate = new CHANNEL_CALLBACK(OnPlaybackEnd);
}
/// <summary>
/// Stops the playing of the sound on this channel.
/// </summary>
public void Stop()
{
try
{
lock (_engine.Lock)
{
if (_channel != null)
{
FMODErr.Check(_channel.stop());
_channel = null;
GameLog.Client.Audio.DebugFormat("No problem at AudioTrack.Stop");
}
}
}
catch (Exception e)
{
GameLog.Client.Audio.Error(e);
}
}
