private static void AddAndStartPlaying(SafeSoundEffect sound, FadePitchPan fpp, bool loop = false, int queue = -1)
{
Debug.Assert(playingSoundCount <= playingSounds.Length);
if (playingSoundCount == playingSounds.Length)
{
Array.Resize(ref playingSounds, playingSounds.Length * 2);
}
Debug.Assert(playingSounds[playingSoundCount].sound == null); // <- got cleared properly
Debug.Assert(playingSounds[playingSoundCount].instance == null); // <- got cleared properly
Debug.Assert(playingSounds[playingSoundCount].frameCount == 0); // <- got cleared properly
// If we are about to play multiple identical sounds at about the same time, stop them from overlapping:
float quashFade = 1f;
for (int i = playingSoundCount - 1; i >= 0; i--)
{
if (playingSounds[i].frameCount >= 3)
{
break; // <- Reaching sounds that are too old
}
if (ReferenceEquals(playingSounds[i].sound, sound))
{
quashFade -= (1f - ((float)playingSounds[i].frameCount / 3f));
}
}
// TODO: The following is ugly, because it kills sequential sounds (but odds are they would be killed anyway - and because we just use `fpp.fade`, below, they'd get killed anyway)
// If a sound would be quashed completely, just don't play it -- this is required because otherwise the quashed sounds would be taking up simulated channels
if (quashFade < 0.1f)
{
while (queue != -1) // Don't leak the queue, if any
{
queue = FreeQueuedSound(queue);
}
return;
}
// TODO: This is ugly because sequential sounds will inherit this fade level
fpp.fade *= MathHelper.Clamp(quashFade, 0f, 1f);
if (loop)
{
playingSounds[playingSoundCount].instance = sound.CreateInstance();
}
else
{
playingSounds[playingSoundCount].instance = sound.SoundEffectManager_GetInstance();
}
if (playingSounds[playingSoundCount].instance == null)
{
while (queue != -1) // Don't leak the queue, if any
{
queue = FreeQueuedSound(queue);
}
return; // Failed to create sound instance... oh well.
}
Debug.Assert(playingSounds[playingSoundCount].instance.IsLooped == false); // <- instance was properly cleared
if (loop) // <- Cannot set on used instances (even to the same value)
{
playingSounds[playingSoundCount].instance.IsLooped = true;
}
playingSounds[playingSoundCount].sound = sound;
playingSounds[playingSoundCount].fpp = fpp;
playingSounds[playingSoundCount].queue = queue;
playingSounds[playingSoundCount].linkToNext = true; // <- all sounds on a given frame get linked!
playingSounds[playingSoundCount].fade = 1f; // <- NOTE: assumed by channel ducking code
playingSounds[playingSoundCount].frameCount = 0;
fpp.ApplyTo(playingSounds[playingSoundCount].instance, SafeSoundEffect.SoundEffectVolume);
playingSounds[playingSoundCount].instance.Play();
playingSoundCount++;
}
