internal GLAudioPlayThread(CachedSound data, GLAudioSource source, bool doLoop = false, float volume = 1.0f)
{
mData = data;
mSource = source;
mDoLoop = doLoop;
mVolume = volume;
}
private static void TryInitAudio()
{
int tries = 0;
while (mAudioOn == false && tries < 10)
{
try
{
mDeviceID = Alc.OpenDevice(null);
KWLogger.Log("Initializing OpenAL (Attempt #" + tries + ")", "GLAudioEngine::TryInitAudio");
Console.WriteLine("Initializing audio engine OpenAL (Attempt #" + tries + ")... ");
int[] attributes = new int[0];
mContext = Alc.CreateContext(mDeviceID, attributes);
Alc.MakeContextCurrent(mContext);
var version = AL.Get(ALGetString.Version);
var vendor = AL.Get(ALGetString.Vendor);
if (version == null)
{
KWLogger.Log("No Audio devices found.", "GLAudioEngine::TryInitAudio", LogLevel.Error);
throw new Exception("No Audio devices found.");
}
Console.Write('\t' + version + " " + vendor);
Console.WriteLine(" Init complete.");
KWLogger.Log("Audio initialized: " + version + " " + vendor, "GLAudioEngine::TryInitAudio");
mAudioOn = true;
}
catch (Exception)
{
mAudioOn = false;
}
if (mAudioOn == false)
{
tries++;
Thread.Sleep(500);
}
}
IsInitializing = false;
if (mAudioOn)
{
for (int i = 0; i < mChannels; i++)
{
GLAudioSource s = new GLAudioSource();
mSources.Add(s);
}
}
else
{
Console.WriteLine("\t\t(Giving up on initializing the audio engine. Sorry.)");
KWLogger.Log("Giving up on initializing the audio engine. Sorry.", "GLAudioEngine::TryInitAudio", LogLevel.Error);
}
}
public static int SoundPlay(string sound, bool looping, float volume = 1.0f)
{
if (!mAudioOn)
{
Console.WriteLine("Error playing audio: audio device not available.");
return(-1);
}
volume = volume >= 0 && volume <= 1.0f ? volume : 1.0f;
CachedSound soundToPlay = null;
if (CachedSounds.ContainsKey(sound))
{
soundToPlay = CachedSounds[sound];
}
else
{
soundToPlay = new CachedSound(sound);
CachedSounds.Add(sound, soundToPlay);
}
GLAudioSource source = null;
int channelNumber = -1;
for (int i = 0; i < mChannels; i++)
{
if (!mSources[i].IsPlaying)
{
source = mSources[i];
channelNumber = i;
source.SetFileName(sound);
break;
}
}
if (source == null)
{
Console.WriteLine("Error playing audio file: all " + mChannels + " channels are busy.");
return(-1);
}
AL.Source(source.GetSourceId(), ALSourcei.Buffer, soundToPlay.GetBufferPointer());
if (looping)
{
AL.Source(source.GetSourceId(), ALSourceb.Looping, true);
}
else
{
AL.Source(source.GetSourceId(), ALSourceb.Looping, false);
}
AL.Source(source.GetSourceId(), ALSourcef.Gain, volume);
AL.SourcePlay(source.GetSourceId());
return(channelNumber);
}
