/// <summary>
/// Repeatedly trigger the one-off container based on the loop time.
/// </summary>
private IEnumerator PlayLoopingOneOffContainerCoroutine(ActiveEvent activeEvent)
{
int?currentIndex = null;
while (!activeEvent.StopRequested)
{
UPlayable currentPlayable = null;
if (!this.IsSimultaneous)
{
currentIndex = this.GenerateNextClipIndex(currentIndex);
currentPlayable = this.sounds[currentIndex.Value];
}
// Start coroutine (don't yield return) so that the wait time is accurate, since length includes delay.
StartCoroutine(PlayOneOffContainerCoroutine(activeEvent, currentPlayable));
float eventLoopTime = loopTime;
// Protect against containers looping every frame by defaulting to the length of the audio clip.
if (eventLoopTime == 0)
{
if (!this.IsSimultaneous)
{
eventLoopTime = currentPlayable.GetLength();
}
else
{
eventLoopTime = this.GetLength();
}
}
yield return(new WaitForSeconds(eventLoopTime));
}
}
private IEnumerator PlayClipCoroutine(UPlayable playable, ActiveEvent activeEvent)
{
if (this.IsSimultaneous || this.PlaySimultaneous)
{
playable.PlaySimultaneous = true;
}
yield return(playable.PlayAsync(activeEvent));
}
/// <summary>
/// Begin playing a non-continuous container, loop if applicable.
/// </summary>
private IEnumerator StartOneOffEventCoroutine(ActiveEvent activeEvent, UPlayable playable)
{
if (Loop)
{
yield return(PlayLoopingOneOffContainerCoroutine(activeEvent));
}
else
{
yield return(PlayOneOffContainerCoroutine(activeEvent, playable));
}
}
/// <summary>
/// Play a non-continuous container.
/// </summary>
private IEnumerator PlayOneOffContainerCoroutine(ActiveEvent activeEvent, UPlayable playable)
{
// Simultaneous sounds.
if (this.IsSimultaneous)
{
foreach (UPlayable sound in sounds)
{
// We start coroutines here. Since we want to all the sounds to start playing at the same time.
StartCoroutine(PlayClipCoroutine(sound, activeEvent));
}
}
// Sequential and Random sounds.
else
{
yield return(PlayClipCoroutine(playable, activeEvent));
}
}
/// <summary>
/// Determine which rules to follow for container playback, and begin the appropriate function.
/// </summary>
public override IEnumerator PlayAsync(ActiveEvent activeEvent)
{
BeginPlay();
if (sounds.Length == 0)
{
Debug.LogErrorFormat(this, "Trying to play container \"{0}\" with no clips.", this);
yield break;
}
// We store the playable before the delay, so that we have the correct one in the case where another instance (without delay) was started.
UPlayable currentPlayable = null;
if (this.currentClipIndex.HasValue)
{
currentPlayable = CurrentPlayable;
}
if (this.CurrentDelay > 0.0f)
{
yield return(new WaitForSeconds(this.CurrentDelay));
}
if (!activeEvent.StopRequested)
{
switch (containerType)
{
case AudioContainerType.Random:
case AudioContainerType.Simultaneous:
case AudioContainerType.Sequence:
yield return(StartOneOffEventCoroutine(activeEvent, currentPlayable));
break;
case AudioContainerType.ContinuousSequence:
case AudioContainerType.ContinuousRandom:
yield return(PlayContinuousContainerCoroutine(activeEvent));
break;
default:
Debug.LogErrorFormat(this, "Trying to play container \"{0}\" with an unknown AudioContainerType \"{1}\".", this, containerType);
yield break;
}
}
}
/// <summary>
/// Coroutine for "continuous" containers that alternates between two sources to crossfade clips for continuous playlist looping.
/// </summary>
/// <returns>The coroutine.</returns>
private IEnumerator PlayContinuousContainerCoroutine(ActiveEvent activeEvent)
{
float waitTime = 0;
int? currentIndex = null;
while (!activeEvent.StopRequested)
{
currentIndex = this.GenerateNextClipIndex(currentIndex);
UPlayable tempClip = this.sounds[currentIndex.Value];
if (tempClip.IsEmpty())
{
Debug.LogErrorFormat(this, "Sound clip in event \"{0}\" is null!", activeEvent.audioEvent.name);
waitTime = 0;
}
else
{
if (!activeEvent.IsPlayingSecondary)
{
activeEvent.volDest = activeEvent.audioEvent.volumeCenter;
activeEvent.altVolDest = 0f;
}
else
{
activeEvent.volDest = 0f;
activeEvent.altVolDest = activeEvent.audioEvent.volumeCenter;
}
activeEvent.CurrentAudioSource.volume = 0f;
activeEvent.currentFade = crossfadeTime;
yield return(PlayClipCoroutine(tempClip, activeEvent));
waitTime = tempClip.GetLength() - crossfadeTime;
}
// Alternate playing on primary / secondary audio sources.
activeEvent.IsPlayingSecondary = !activeEvent.IsPlayingSecondary;
yield return(new WaitForSeconds(waitTime));
}
}
private void AddSound(AudioContainer audioContainer, SerializedObject audioContainerSO, UPlayable newPlayable)
{
if (audioContainer.sounds == null)
{
audioContainer.sounds = new UPlayable[0];
}
audioContainerSO.FindProperty("sounds").InsertArrayElementAtIndex(audioContainer.sounds.Length);
audioContainerSO.FindProperty("sounds").GetArrayElementAtIndex(audioContainer.sounds.Length).objectReferenceValue = newPlayable;
}
private void DrawSoundClipInspector(AudioContainer audioContainer, SerializedObject audioContainerSerializedObject)
{
bool oldAllowLooping = allowLooping;
allowLooping = allowLooping && !audioContainer.Loop && !audioContainer.IsContinuous;
for (int i = 0; audioContainer.sounds != null && i < audioContainer.sounds.Length; i++)
{
if (audioContainer.sounds[i] == null)
{
UAudioClip audioClip = this.playablesGameObject.AddComponent <UAudioClip>();
audioContainer.sounds[i] = audioClip;
}
UPlayable currentSound = audioContainer.sounds[i];
EditorGUILayout.Space();
EditorGUILayout.Space();
bool wasRemoved = false;
EditorGUILayout.BeginHorizontal();
soundElementArrowsStyle.margin.top = allowLooping ? 10 : 0;
EditorGUILayout.BeginVertical(soundElementArrowsStyle);
EditorGUI.BeginDisabledGroup(i <= 0);
if (GUILayout.Button("▲", GUILayout.Width(20), GUILayout.Height(15)))
{
MoveSound(audioContainer, audioContainerSerializedObject, i, -1);
}
EditorGUI.EndDisabledGroup();
EditorGUI.BeginDisabledGroup(i >= audioContainer.sounds.Length - 1);
if (GUILayout.Button("▼", GUILayout.Width(20), GUILayout.Height(15)))
{
MoveSound(audioContainer, audioContainerSerializedObject, i, 1);
}
EditorGUI.EndDisabledGroup();
EditorGUILayout.EndVertical();
EditorGUILayout.BeginVertical();
if (currentSound is UAudioClip)
{
DrawAudioClipInspector(audioContainer, (UAudioClip)currentSound, out wasRemoved);
}
else if (currentSound is AudioContainer)
{
DrawContainerInspector((AudioContainer)currentSound, true, out wasRemoved);
}
EditorGUILayout.EndVertical();
EditorGUILayout.EndHorizontal();
if (wasRemoved)
{
audioContainerSerializedObject.FindProperty("sounds").GetArrayElementAtIndex(i).DeleteCommand();
audioContainerSerializedObject.FindProperty("sounds").DeleteArrayElementAtIndex(i);
DestroyImmediate(currentSound);
RemoveAt(audioContainer.sounds, i);
}
}
allowLooping = oldAllowLooping;
}
