public void Apply3D(AudioListener listener, AudioEmitter emitter)
{
if (INTERNAL_alSource == 0)
{
return;
}
// Set up orientation matrix
Matrix orientation = Matrix.CreateWorld(Vector3.Zero, listener.Forward, listener.Up);
// Set up our final position according to orientation of listener
position = Vector3.Transform(emitter.Position - listener.Position, orientation);
if (position != Vector3.Zero)
{
position.Normalize();
}
// Set the position based on relative positon
AL10.alSource3f(
INTERNAL_alSource,
AL10.AL_POSITION,
position.X,
position.Y,
position.Z
);
// We positional now
INTERNAL_positionalAudio = true;
}
public void SetSourcePosition(IALSource source, Vector3 pos)
{
AL10.alSource3f(
(source as OpenALSource).Handle,
AL10.AL_POSITION,
pos.X,
pos.Y,
pos.Z
);
}
public void SetSourcePan(IALSource source, float pan)
{
AL10.alSource3f(
(source as OpenALSource).Handle,
AL10.AL_POSITION,
pan,
0.0f,
(float)Math.Sqrt(1 - Math.Pow(pan, 2))
);
}
public void SetSourcePosition(IALSource source, Vector3 pos)
{
AL10.alSource3f(
(source as OpenALSource).Handle,
AL10.AL_POSITION,
pos.X,
pos.Y,
pos.Z
);
#if VERBOSE_AL_DEBUGGING
CheckALError();
#endif
}
public void SetSourcePan(IALSource source, float pan)
{
AL10.alSource3f(
(source as OpenALSource).Handle,
AL10.AL_POSITION,
pan,
0.0f,
(float)-Math.Sqrt(1 - Math.Pow(pan, 2))
);
#if VERBOSE_AL_DEBUGGING
CheckALError();
#endif
}
protected OpenAlSound(uint source, bool looping, bool relative, WPos pos, float volume, int sampleRate)
{
Source = source;
SampleRate = sampleRate;
Volume = volume;
AL10.alSourcef(source, AL10.AL_PITCH, 1f);
AL10.alSource3f(source, AL10.AL_POSITION, pos.X, pos.Y, pos.Z);
AL10.alSource3f(source, AL10.AL_VELOCITY, 0f, 0f, 0f);
AL10.alSourcei(source, AL10.AL_LOOPING, looping ? 1 : 0);
AL10.alSourcei(source, AL10.AL_SOURCE_RELATIVE, relative ? 1 : 0);
AL10.alSourcef(source, AL10.AL_REFERENCE_DISTANCE, 6826);
AL10.alSourcef(source, AL10.AL_MAX_DISTANCE, 136533);
}
public OpenAlSound(uint source, uint buffer, bool looping, bool relative, WPos pos, float volume)
{
Source = source;
Volume = volume;
AL10.alSourcef(source, AL10.AL_PITCH, 1f);
AL10.alSource3f(source, AL10.AL_POSITION, pos.X, pos.Y, pos.Z);
AL10.alSource3f(source, AL10.AL_VELOCITY, 0f, 0f, 0f);
AL10.alSourcei(source, AL10.AL_BUFFER, (int)buffer);
AL10.alSourcei(source, AL10.AL_LOOPING, looping ? 1 : 0);
AL10.alSourcei(source, AL10.AL_SOURCE_RELATIVE, relative ? 1 : 0);
AL10.alSourcef(source, AL10.AL_REFERENCE_DISTANCE, 6826);
AL10.alSourcef(source, AL10.AL_MAX_DISTANCE, 136533);
AL10.alSourcePlay(source);
}
public override void Play()
{
if (State != SoundState.Stopped)
{
return; // No-op if we're already playing.
}
if (INTERNAL_alSource != 0)
{
// The sound has stopped, but hasn't cleaned up yet...
AL10.alSourceStop(INTERNAL_alSource);
AL10.alDeleteSources((IntPtr)1, ref INTERNAL_alSource);
INTERNAL_alSource = 0;
}
while (queuedBuffers.Count > 0)
{
availableBuffers.Enqueue(queuedBuffers.Dequeue());
}
AL10.alGenSources((IntPtr)1, out INTERNAL_alSource);
if (INTERNAL_alSource == 0)
{
System.Console.WriteLine("WARNING: AL SOURCE WAS NOT AVAILABLE. SKIPPING.");
return;
}
// Queue the buffers to this source
while (buffersToQueue.Count > 0)
{
uint nextBuf = buffersToQueue.Dequeue();
queuedBuffers.Enqueue(nextBuf);
AL10.alSourceQueueBuffers(
INTERNAL_alSource,
(IntPtr)1,
ref nextBuf
);
}
// Apply Pan/Position
if (INTERNAL_positionalAudio)
{
INTERNAL_positionalAudio = false;
AL10.alSource3f(
INTERNAL_alSource,
AL10.AL_POSITION,
position.X,
position.Y,
position.Z
);
}
else
{
Pan = Pan;
}
// Reassign Properties, in case the AL properties need to be applied.
Volume = Volume;
IsLooped = IsLooped;
Pitch = Pitch;
// Finally.
AL10.alSourcePlay(INTERNAL_alSource);
OpenALDevice.Instance.dynamicInstancePool.Add(this);
// ... but wait! What if we need moar buffers?
if (PendingBufferCount <= 2 && BufferNeeded != null)
{
BufferNeeded(this, null);
}
}
public virtual void Play()
{
if (State != SoundState.Stopped && INTERNAL_alSource != 0) // FIXME: alSource check part of timer hack!
{
// FIXME: Is this XNA4 behavior?
Stop();
}
if (INTERNAL_delayMS != 0 && !INTERNAL_timer.IsRunning)
{
INTERNAL_timer.Start();
}
if (INTERNAL_timer.ElapsedMilliseconds < INTERNAL_delayMS)
{
return; // We'll be back...
}
INTERNAL_timer.Stop();
INTERNAL_timer.Reset();
if (INTERNAL_alSource != 0)
{
// The sound has stopped, but hasn't cleaned up yet...
AL10.alSourceStop(INTERNAL_alSource);
AL10.alDeleteSources((IntPtr)1, ref INTERNAL_alSource);
INTERNAL_alSource = 0;
}
AL10.alGenSources((IntPtr)1, out INTERNAL_alSource);
if (INTERNAL_alSource == 0)
{
System.Console.WriteLine("WARNING: AL SOURCE WAS NOT AVAILABLE. SKIPPING.");
return;
}
// Attach the buffer to this source
AL10.alSourcei(
INTERNAL_alSource,
AL10.AL_BUFFER,
(int)INTERNAL_parentEffect.INTERNAL_buffer
);
// Apply Pan/Position
if (INTERNAL_positionalAudio)
{
INTERNAL_positionalAudio = false;
AL10.alSource3f(
INTERNAL_alSource,
AL10.AL_POSITION,
position.X,
position.Y,
position.Z
);
}
else
{
Pan = Pan;
}
// Reassign Properties, in case the AL properties need to be applied.
Volume = Volume;
IsLooped = IsLooped;
Pitch = Pitch;
// Apply EFX
if (INTERNAL_alEffectSlot != 0)
{
AL10.alSource3i(
INTERNAL_alSource,
EFX.AL_AUXILIARY_SEND_FILTER,
(int)INTERNAL_alEffectSlot,
0,
0
);
}
AL10.alSourcePlay(INTERNAL_alSource);
}
public void SetPosition(WPos pos)
{
AL10.alSource3f(Source, AL10.AL_POSITION, pos.X, pos.Y, pos.Z);
}
