public SoundInstance PlayAttachedSound(string url, Entity parent, float pitch = 1f, float volume = 1f, float distanceScale = 1f, bool looped = false)
{
Vector3 pos = parent.Transform.WorldPosition();
float sqrDist = (pos - AudioEngine.DefaultListener.Position).LengthSquared();
if (MaxSoundDistance > 0f && sqrDist >= MaxSoundDistance * MaxSoundDistance)
{
return(null);
}
SoundInstance s = getFreeInstance(url, true);
if (s == null)
{
return(null);
}
s.Pitch = pitch < 0f ? RandomPitch() : pitch;
s.Volume = volume * MasterVolume;
s.IsLooping = looped;
s.Pan = 0f;
s.Apply3D(pos, null, null, distanceScale);
s.Play();
var posSnd = new PositionalSound()
{
pos = pos,
soundInstance = s,
entity = parent,
distance_scale = distanceScale
};
lock (currentAttached) {
currentAttached.Add(posSnd);
}
return(s);
}
public void UpdatePlayingSoundPositions()
{
for (int i = 0; i < currentAttached.Count; i++)
{
PositionalSound ps = currentAttached[i];
if (ps.entity.Scene == null)
{
ps.soundInstance.Stop();
currentAttached.RemoveAt(i);
i--;
continue;
}
else if (ps.soundInstance.PlayState == Media.PlayState.Stopped)
{
currentAttached.RemoveAt(i);
i--;
continue;
}
Vector3 newpos = ps.entity.Transform.WorldPosition();
ps.soundInstance.Apply3D(newpos, newpos - ps.pos, null, ps.distance_scale);
ps.pos = newpos;
}
}
public void UpdatePlayingSoundPositions(float?overrideTimePerFrame = null)
{
for (int i = 0; i < currentAttached.Count; i++)
{
PositionalSound ps = currentAttached[i];
if (ps.entity.Scene == null)
{
ps.soundInstance.Stop();
currentAttached.RemoveAt(i);
i--;
continue;
}
else if (ps.soundInstance.PlayState == Media.PlayState.Stopped)
{
currentAttached.RemoveAt(i);
i--;
continue;
}
Vector3 newpos = ps.entity.Transform.WorldPosition();
float timePerFrame = overrideTimePerFrame ?? ((float)internalGame.UpdateTime.Elapsed.Ticks / TimeSpan.TicksPerSecond);
ps.soundInstance.Apply3D(newpos, (newpos - ps.pos) / timePerFrame, null, ps.distance_scale);
ps.pos = newpos;
}
}
