/// <summary>
/// Play a single clip on an AudioSource; if Looping forever, return InfiniteLoop for the event time.
/// </summary>
/// <param Name="audioClip">The audio clip to play.</param>
/// <param Name="emitter">The emitter to use.</param>
/// <param Name="activeEvent">The persistent reference to the event as long as it is playing.</param>
/// <returns>The amount of delay, if any, we are waiting before playing the clip. A Looping clip will always return InfiniteLoop.</returns>
private float PlayClipAndGetTime(UAudioClip audioClip, AudioSource emitter, ActiveEvent activeEvent)
{
if (audioClip.DelayCenter == 0)
{
emitter.PlayClip(audioClip.Sound, audioClip.Looping);
if (audioClip.Looping)
{
return(InfiniteLoop);
}
return(0);
}
else
{
float rndDelay = Random.Range(audioClip.DelayCenter - audioClip.DelayRandomization, audioClip.DelayCenter + audioClip.DelayRandomization);
StartCoroutine(PlayClipDelayedCoroutine(audioClip, emitter, rndDelay, activeEvent));
if (audioClip.Looping)
{
return(InfiniteLoop);
}
return(rndDelay);
}
}
private void AddSound(TEvent selectedEvent)
{
UAudioClip[] tempClips = new UAudioClip[selectedEvent.container.sounds.Length + 1];
selectedEvent.container.sounds.CopyTo(tempClips, 0);
tempClips[tempClips.Length - 1] = new UAudioClip();
selectedEvent.container.sounds = tempClips;
}
/// <summary>
/// Coroutine for "continuous" random containers that alternates between two sources to crossfade clips for continuous playlist Looping.
/// </summary>
/// <param Name="audioContainer">The audio container.</param>
/// <param Name="activeEvent">The persistent reference to the event as long as it is playing.</param>
/// <param Name="waitTime">The time in seconds to wait before switching AudioSources for crossfading.</param>
/// <returns>The coroutine.</returns>
private IEnumerator ContinueRandomContainerCoroutine(AudioContainer audioContainer, ActiveEvent activeEvent, float waitTime)
{
while (!activeEvent.CancelEvent)
{
yield return(new WaitForSeconds(waitTime));
audioContainer.CurrentClip = Random.Range(0, audioContainer.Sounds.Length);
UAudioClip tempClip = audioContainer.Sounds[audioContainer.CurrentClip];
// Play on primary source.
if (activeEvent.PlayingAlt)
{
activeEvent.PrimarySource.volume = 0f;
activeEvent.VolDest = activeEvent.AudioEvent.VolumeCenter;
activeEvent.AltVolDest = 0f;
activeEvent.CurrentFade = audioContainer.CrossfadeTime;
waitTime = (tempClip.Sound.length / activeEvent.PrimarySource.pitch) - audioContainer.CrossfadeTime;
PlayClipAndGetTime(tempClip, activeEvent.PrimarySource, activeEvent);
}
// Play on secondary source.
else
{
activeEvent.SecondarySource.volume = 0f;
activeEvent.AltVolDest = activeEvent.AudioEvent.VolumeCenter;
activeEvent.VolDest = 0f;
activeEvent.CurrentFade = audioContainer.CrossfadeTime;
waitTime = (tempClip.Sound.length / activeEvent.SecondarySource.pitch) - audioContainer.CrossfadeTime;
PlayClipAndGetTime(tempClip, activeEvent.SecondarySource, activeEvent);
}
activeEvent.PlayingAlt = !activeEvent.PlayingAlt;
}
}
/// <summary>
/// Play one sound from a container based on container behavior.
/// </summary>
/// <param Name="currentContainer"></param>
/// <param Name="activeEvent"></param>
/// <returns>The estimated ActiveTime for the clip, or InfiniteLoop if the container and/or clip are set to loop.</returns>
private float PlaySingleClip(AudioContainer currentContainer, ActiveEvent activeEvent)
{
float tempDelay = 0;
if (currentContainer.ContainerType == AudioContainerType.Random)
{
currentContainer.CurrentClip = Random.Range(0, currentContainer.Sounds.Length);
}
UAudioClip currentClip = currentContainer.Sounds[currentContainer.CurrentClip];
// Trigger sound and save the delay (in seconds) to add to the total amount of time the event will be considered active.
tempDelay = PlayClipAndGetTime(currentClip, activeEvent.PrimarySource, activeEvent);
// Ready the next clip in the series if sequence container.
if (currentContainer.ContainerType == AudioContainerType.Sequence)
{
currentContainer.CurrentClip++;
if (currentContainer.CurrentClip >= currentContainer.Sounds.Length)
{
currentContainer.CurrentClip = 0;
}
}
// Return active time based on Looping or clip time.
return(GetActiveTimeEstimate(currentClip, activeEvent, tempDelay));
}
/// <summary>
/// Coroutine for playing a clip after a delay (in seconds).
/// </summary>
/// <param Name="audioClip">The clip to play.</param>
/// <param Name="emitter">The emitter to use.</param>
/// <param Name="delay">The amount of time in seconds to wait before playing audio clip.</param>
/// <param Name="activeEvent">The persistent reference to the event as long as it is playing.</param>
/// <returns>The coroutine.</returns>
private IEnumerator PlayClipDelayedCoroutine(UAudioClip audioClip, AudioSource emitter, float delay, ActiveEvent activeEvent)
{
yield return(new WaitForSeconds(delay));
if (this.ActiveEvents.Contains(activeEvent))
{
emitter.PlayClip(audioClip.Sound, audioClip.Looping);
}
}
/// <summary>
/// Calculates the estimated active time for an ActiveEvent playing the given clip.
/// </summary>
/// <param Name="audioClip">The clip being played.</param>
/// <param Name="activeEvent">The event being played.</param>
/// <param Name="additionalDelay">The delay before playing in seconds.</param>
/// <returns>The estimated active time of the event based on Looping or clip time. If Looping, this will return InfiniteLoop.</returns>
private static float GetActiveTimeEstimate(UAudioClip audioClip, ActiveEvent activeEvent, float additionalDelay)
{
if (audioClip.Looping || activeEvent.AudioEvent.Container.Looping || additionalDelay == InfiniteLoop)
{
return(InfiniteLoop);
}
else
{
float pitchAdjustedClipLength = activeEvent.PrimarySource.pitch != 0 ? (audioClip.Sound.length / activeEvent.PrimarySource.pitch) : 0;
// Restrict non-Looping ActiveTime values to be non-negative.
return(Mathf.Max(0.0f, pitchAdjustedClipLength + activeEvent.AudioEvent.InstanceTimeBuffer + additionalDelay));
}
}
/// <summary>
/// Coroutine for "continuous" sequence containers that alternates between two sources to crossfade clips for continuous playlist Looping.
/// </summary>
/// <param Name="audioContainer">The audio container.</param>
/// <param Name="activeEvent">The persistent reference to the event as long as it is playing.</param>
/// <param Name="waitTime">The time in seconds to wait before switching AudioSources to crossfading.</param>
/// <returns>The coroutine.</returns>
private IEnumerator ContinueSequenceContainerCoroutine(AudioContainer audioContainer, ActiveEvent activeEvent, float waitTime)
{
while (!activeEvent.CancelEvent)
{
yield return(new WaitForSeconds(waitTime));
UAudioClip tempClip = audioContainer.Sounds[audioContainer.CurrentClip];
if (tempClip.Sound == null)
{
Debug.LogErrorFormat(this, "Sound clip in event \"{0}\" is null!", activeEvent.AudioEvent.Name);
waitTime = 0;
}
else
{
// Play on primary source.
if (activeEvent.PlayingAlt)
{
activeEvent.PrimarySource.volume = 0f;
activeEvent.VolDest = activeEvent.AudioEvent.VolumeCenter;
activeEvent.AltVolDest = 0f;
activeEvent.CurrentFade = audioContainer.CrossfadeTime;
waitTime = (tempClip.Sound.length / activeEvent.PrimarySource.pitch) - audioContainer.CrossfadeTime;
PlayClipAndGetTime(tempClip, activeEvent.PrimarySource, activeEvent);
}
// Play on secondary source.
else
{
activeEvent.SecondarySource.volume = 0f;
activeEvent.AltVolDest = activeEvent.AudioEvent.VolumeCenter;
activeEvent.VolDest = 0f;
activeEvent.CurrentFade = audioContainer.CrossfadeTime;
waitTime = (tempClip.Sound.length / activeEvent.SecondarySource.pitch) - audioContainer.CrossfadeTime;
PlayClipAndGetTime(tempClip, activeEvent.SecondarySource, activeEvent);
}
}
audioContainer.CurrentClip++;
if (audioContainer.CurrentClip >= audioContainer.Sounds.Length)
{
audioContainer.CurrentClip = 0;
}
activeEvent.PlayingAlt = !activeEvent.PlayingAlt;
}
}
private void DrawAudioClipInspector(AudioContainer audioContainer, UAudioClip currentSound, out bool wasRemoved)
{
EditorGUILayout.BeginHorizontal();
SerializedObject playableSO = new SerializedObject(currentSound);
playableSO.Update();
EditorGUILayout.PropertyField(playableSO.FindProperty("sound"));
if (GUILayout.Button("Remove Audio Clip"))
{
playableSO.Dispose();
EditorGUILayout.EndHorizontal();
wasRemoved = true;
return;
}
EditorGUILayout.EndHorizontal();
if (!audioContainer.IsContinuous)
{
EditorGUILayout.BeginHorizontal();
EditorGUILayout.PropertyField(playableSO.FindProperty("delayCenter"));
EditorGUILayout.PropertyField(playableSO.FindProperty("delayRandomization"));
EditorGUILayout.EndHorizontal();
// Disable looping audio clips in a simultaneous container.
// Looping containers within a simultaneous container is allowed.
if (allowLooping && !audioContainer.IsSimultaneous)
{
EditorGUILayout.PropertyField(playableSO.FindProperty("loop"));
}
else
{
currentSound.Loop = false;
}
}
playableSO.ApplyModifiedProperties();
wasRemoved = false;
}
/// <summary>
/// Choose a random sound from a container and play, calling the Looping coroutine to constantly choose new audio clips when current clip ends.
/// </summary>
/// <param Name="audioContainer">The audio container.</param>
/// <param Name="emitter">The emitter to use.</param>
/// <param Name="activeEvent">The persistent reference to the event as long as it is playing.</param>
private void PlayContinuousRandomContainer(AudioContainer audioContainer, AudioSource emitter, ActiveEvent activeEvent)
{
audioContainer.CurrentClip = Random.Range(0, audioContainer.Sounds.Length);
UAudioClip tempClip = audioContainer.Sounds[audioContainer.CurrentClip];
activeEvent.PrimarySource.volume = 0f;
activeEvent.VolDest = activeEvent.AudioEvent.VolumeCenter;
activeEvent.AltVolDest = 0f;
activeEvent.CurrentFade = audioContainer.CrossfadeTime;
float waitTime = (tempClip.Sound.length / emitter.pitch) - activeEvent.AudioEvent.Container.CrossfadeTime;
// Ignore clip delay since container is continuous.
PlayClipAndGetTime(tempClip, emitter, activeEvent);
activeEvent.ActiveTime = InfiniteLoop;
StartCoroutine(RecordEventInstanceCoroutine(activeEvent));
audioContainer.CurrentClip++;
if (audioContainer.CurrentClip >= audioContainer.Sounds.Length)
{
audioContainer.CurrentClip = 0;
}
StartCoroutine(ContinueRandomContainerCoroutine(audioContainer, activeEvent, waitTime));
}
private void AddAudioClip(AudioContainer audioContainer, SerializedObject audioContainerSO)
{
UAudioClip audioClip = this.playablesGameObject.AddComponent <UAudioClip>();
AddSound(audioContainer, audioContainerSO, audioClip);
}
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;
}
