forked from BilalY/Rasagar
131 lines
4.5 KiB
C#
131 lines
4.5 KiB
C#
using System;
|
|
using System.Collections.Generic;
|
|
using UnityEngine.Audio;
|
|
using UnityEngine.Playables;
|
|
|
|
namespace UnityEngine.Timeline
|
|
{
|
|
/// <summary>
|
|
/// A Timeline track that can play AudioClips.
|
|
/// </summary>
|
|
[Serializable]
|
|
[TrackClipType(typeof(AudioPlayableAsset), false)]
|
|
[TrackBindingType(typeof(AudioSource))]
|
|
[ExcludeFromPreset]
|
|
[TimelineHelpURL(typeof(AudioTrack))]
|
|
public class AudioTrack : TrackAsset
|
|
{
|
|
[SerializeField]
|
|
AudioMixerProperties m_TrackProperties = new AudioMixerProperties();
|
|
|
|
#if UNITY_EDITOR
|
|
Playable m_LiveMixerPlayable = Playable.Null;
|
|
|
|
#endif
|
|
|
|
/// <summary>
|
|
/// Create an TimelineClip for playing an AudioClip on this track.
|
|
/// </summary>
|
|
/// <param name="clip">The audio clip to play</param>
|
|
/// <returns>A TimelineClip with an AudioPlayableAsset asset.</returns>
|
|
public TimelineClip CreateClip(AudioClip clip)
|
|
{
|
|
if (clip == null)
|
|
return null;
|
|
|
|
var newClip = CreateDefaultClip();
|
|
|
|
var audioAsset = newClip.asset as AudioPlayableAsset;
|
|
if (audioAsset != null)
|
|
audioAsset.clip = clip;
|
|
|
|
newClip.duration = clip.length;
|
|
newClip.displayName = clip.name;
|
|
|
|
return newClip;
|
|
}
|
|
|
|
internal override Playable CompileClips(PlayableGraph graph, GameObject go, IList<TimelineClip> timelineClips, IntervalTree<RuntimeElement> tree)
|
|
{
|
|
var clipBlender = AudioMixerPlayable.Create(graph, timelineClips.Count);
|
|
|
|
#if UNITY_EDITOR
|
|
clipBlender.GetHandle().SetScriptInstance(m_TrackProperties.Clone());
|
|
m_LiveMixerPlayable = clipBlender;
|
|
#else
|
|
if (hasCurves)
|
|
clipBlender.GetHandle().SetScriptInstance(m_TrackProperties.Clone());
|
|
#endif
|
|
|
|
for (int i = 0; i < timelineClips.Count; i++)
|
|
{
|
|
var c = timelineClips[i];
|
|
var asset = c.asset as PlayableAsset;
|
|
if (asset == null)
|
|
continue;
|
|
|
|
var buffer = 0.1f;
|
|
var audioAsset = c.asset as AudioPlayableAsset;
|
|
if (audioAsset != null)
|
|
buffer = audioAsset.bufferingTime;
|
|
|
|
var source = asset.CreatePlayable(graph, go);
|
|
if (!source.IsValid())
|
|
continue;
|
|
|
|
if (source.IsPlayableOfType<AudioClipPlayable>())
|
|
{
|
|
// Enforce initial values on all clips
|
|
var audioClipPlayable = (AudioClipPlayable)source;
|
|
var audioClipProperties = audioClipPlayable.GetHandle().GetObject<AudioClipProperties>();
|
|
|
|
audioClipPlayable.SetVolume(Mathf.Clamp01(m_TrackProperties.volume * audioClipProperties.volume));
|
|
audioClipPlayable.SetStereoPan(Mathf.Clamp(m_TrackProperties.stereoPan, -1.0f, 1.0f));
|
|
audioClipPlayable.SetSpatialBlend(Mathf.Clamp01(m_TrackProperties.spatialBlend));
|
|
}
|
|
|
|
tree.Add(new ScheduleRuntimeClip(c, source, clipBlender, buffer));
|
|
graph.Connect(source, 0, clipBlender, i);
|
|
source.SetSpeed(c.timeScale);
|
|
source.SetDuration(c.extrapolatedDuration);
|
|
clipBlender.SetInputWeight(source, 1.0f);
|
|
}
|
|
|
|
ConfigureTrackAnimation(tree, go, clipBlender);
|
|
|
|
return clipBlender;
|
|
}
|
|
|
|
/// <inheritdoc/>
|
|
public override IEnumerable<PlayableBinding> outputs
|
|
{
|
|
get { yield return AudioPlayableBinding.Create(name, this); }
|
|
}
|
|
|
|
#if UNITY_EDITOR
|
|
internal void LiveLink()
|
|
{
|
|
if (!m_LiveMixerPlayable.IsValid())
|
|
return;
|
|
|
|
var audioMixerProperties = m_LiveMixerPlayable.GetHandle().GetObject<AudioMixerProperties>();
|
|
|
|
if (audioMixerProperties == null)
|
|
return;
|
|
|
|
audioMixerProperties.volume = m_TrackProperties.volume;
|
|
audioMixerProperties.stereoPan = m_TrackProperties.stereoPan;
|
|
audioMixerProperties.spatialBlend = m_TrackProperties.spatialBlend;
|
|
}
|
|
|
|
#endif
|
|
|
|
void OnValidate()
|
|
{
|
|
m_TrackProperties.volume = Mathf.Clamp01(m_TrackProperties.volume);
|
|
m_TrackProperties.stereoPan = Mathf.Clamp(m_TrackProperties.stereoPan, -1.0f, 1.0f);
|
|
m_TrackProperties.spatialBlend = Mathf.Clamp01(m_TrackProperties.spatialBlend);
|
|
}
|
|
}
|
|
}
|