public static int Init(Int32Buffer buffers)
{
Channel.buffers = buffers;
int sourceId;
numChannels = 0;
for (int i = 0; i < MAX_CHANNELS; i++)
{
try
{
AL10.AlGenSources(tmp);
sourceId = tmp.Get(0);
if (sourceId <= 0)
{
break;
}
}
catch (OpenALException e)
{
break;
}
sources.Put(i, sourceId);
channels[i] = new Channel(sourceId);
numChannels++;
AL10.AlSourcef(sourceId, AL10.AL_GAIN, 1F);
AL10.AlSourcef(sourceId, AL10.AL_PITCH, 1F);
AL10.AlSourcei(sourceId, AL10.AL_SOURCE_RELATIVE, AL10.AL_FALSE);
AL10.AlSource(sourceId, AL10.AL_VELOCITY, NULLVECTOR);
AL10.AlSourcei(sourceId, AL10.AL_LOOPING, AL10.AL_FALSE);
AL10.AlSourcef(sourceId, AL10.AL_REFERENCE_DISTANCE, 200F);
AL10.AlSourcef(sourceId, AL10.AL_MIN_GAIN, 0.0005F);
AL10.AlSourcef(sourceId, AL10.AL_MAX_GAIN, 1F);
}
sources.Limit = numChannels;
return(numChannels);
}
public static void PlayAllSounds(SingleBuffer listenerOrigin)
{
SingleBuffer sourceOrigin = sourceOriginBuffer;
Channel ch;
int sourceId;
int state;
for (int i = 0; i < numChannels; i++)
{
ch = channels[i];
if (ch.active)
{
sourceId = ch.sourceId;
switch (ch.type)
{
case Channel.LISTENER:
sourceOrigin.Put(0, listenerOrigin.Get(0));
sourceOrigin.Put(1, listenerOrigin.Get(1));
sourceOrigin.Put(2, listenerOrigin.Get(2));
break;
case Channel.DYNAMIC:
CL_ents.GetEntitySoundOrigin(ch.entnum, entityOrigin);
ConvertVector(entityOrigin, sourceOrigin);
break;
case Channel.FIXED:
ConvertVector(ch.origin, sourceOrigin);
break;
}
if (ch.modified)
{
if (ch.bufferChanged)
{
try
{
AL10.AlSourcei(sourceId, AL10.AL_BUFFER, ch.bufferId);
}
catch (OpenALException e)
{
AL10.AlSourceStop(sourceId);
AL10.AlSourcei(sourceId, AL10.AL_BUFFER, ch.bufferId);
}
}
if (ch.volumeChanged)
{
AL10.AlSourcef(sourceId, AL10.AL_GAIN, ch.volume);
}
AL10.AlSourcef(sourceId, AL10.AL_ROLLOFF_FACTOR, ch.rolloff);
AL10.AlSource(sourceId, AL10.AL_POSITION, sourceOrigin);
AL10.AlSourcePlay(sourceId);
ch.modified = false;
}
else
{
state = AL10.AlGetSourcei(sourceId, AL10.AL_SOURCE_STATE);
if (state == AL10.AL_PLAYING)
{
AL10.AlSource(sourceId, AL10.AL_POSITION, sourceOrigin);
}
else
{
ch.Clear();
}
}
ch.autosound = false;
}
}
}