private void DrawButton(Rect position, SerializedProperty prop)
{
var obj = prop.objectReferenceValue;
if (obj == null)
{
return;
}
position.x += 4;
position.width -= 5;
AudioClip clip = obj as AudioClip;
Rect buttonRect = new Rect(position);
buttonRect.width = 20;
Rect waveformRect = new Rect(position);
waveformRect.x += 22;
waveformRect.width -= 22;
GUI.DrawTexture(waveformRect, AssetPreview.GetAssetPreview(obj));
bool isPlaying = AudioUtility.IsClipPlaying(clip) && (CurrentClip == prop.propertyPath);
string buttonText = "";
Action <SerializedProperty, AudioClip> buttonAction;
if (isPlaying)
{
EditorUtility.SetDirty(prop.serializedObject.targetObject);
//EditorApplication.QueuePlayerLoopUpdate();
buttonAction = GetStateInfo(ButtonState.Stop, out buttonText);
Rect progressRect = new Rect(waveformRect);
float time = AudioUtility.GetClipPosition(clip);
float length = clip.length;
float progress = time / length;
float width = progressRect.width * progress;
progressRect.width = Mathf.Clamp(width, 3, width);
GUI.Box(progressRect, "", "SelectionRect");
DrawLabelOutline(waveformRect, TimeSpan.FromSeconds(length - time).ToString(@"mm\:ss\:fff"));
}
else
{
buttonAction = GetStateInfo(ButtonState.Play, out buttonText);
float length = clip.length;
DrawLabelOutline(waveformRect, TimeSpan.FromSeconds(length).ToString(@"mm\:ss\:fff"));
}
if (GUI.Button(buttonRect, buttonText))
{
AudioUtility.StopAllClips();
buttonAction(prop, clip);
}
}
private void DrawTimeline()
{
GUILayout.BeginVertical();
var soundTime = this.m_SoundAudio == null ? 1 : this.m_SoundAudio.length;
GUILayout.Label("File length: " + (this.m_SoundAudio == null ? "0s" : (int)this.m_SoundAudio.length + "s") + "\n" +
"Position: " + (int)this.m_SoundTimeLine + "s");
GUILayout.BeginHorizontal();
if (GUILayout.Button("<<", GUILayout.Width(30f)))
{
if (this.m_SoundAudio == null)
{
return;
}
this.m_SoundTimeLine = this.m_SoundTimeLine <= 1 ? 0 : this.m_SoundTimeLine - 1;
// Set sound line
var clipPosition = this.m_SoundTimeLine * AudioUtility.GetFrequency(this.m_SoundAudio);
AudioUtility.SetClipSamplePosition(this.m_SoundAudio, (int)clipPosition);
}
// Sound play line
this.m_SoundTimeLine = GUILayout.HorizontalSlider(this.m_SoundTimeLine, 0, soundTime);
this.m_SoundLineRect = GUILayoutUtility.GetLastRect();
if (this.m_SoundAudio != null)
{
if (this.m_IsPause == false)
{
// Update sound line
this.m_SoundTimeLine = AudioUtility.GetClipPosition(this.m_SoundAudio);
if (this.m_PreviousSoundTimeLine != (int)this.m_SoundTimeLine)
{
this.m_PreviousSoundTimeLine = (int)this.m_SoundTimeLine;
}
}
else
{
// Set sound line
var clipPosition = this.m_SoundTimeLine * AudioUtility.GetFrequency(this.m_SoundAudio);
AudioUtility.SetClipSamplePosition(this.m_SoundAudio, (int)clipPosition);
}
}
if (GUILayout.Button(">>", GUILayout.Width(30f)))
{
if (this.m_SoundAudio == null)
{
return;
}
this.m_SoundTimeLine = this.m_SoundTimeLine >= this.m_SoundAudio.length - 1 ? this.m_SoundAudio.length : this.m_SoundTimeLine + 1;
// Set sound line
var clipPosition = this.m_SoundTimeLine * AudioUtility.GetFrequency(this.m_SoundAudio);
AudioUtility.SetClipSamplePosition(this.m_SoundAudio, (int)clipPosition);
}
GUILayout.EndHorizontal();
GUILayout.EndVertical();
}
void Update()
{
float deltaTime = Time.realtimeSinceStartup - prevTime;
prevTime = Time.realtimeSinceStartup;
if (seekPosition != oldSeekPosition)
{
oldSeekPosition = seekPosition;
if (!isPlaying)
{
if (!previewing && lsdTarget.clip != null)
{
AudioUtility.PlayClip(lsdTarget.clip);
}
previewing = true;
stopTimer = 0.1f;
prevTime = Time.realtimeSinceStartup;
resetTime = seekPosition;
}
if (lsdTarget.clip)
{
AudioUtility.SetClipSamplePosition(lsdTarget.clip, (int)(seekPosition * AudioUtility.GetSampleCount(lsdTarget.clip)));
}
}
if (previewing)
{
stopTimer -= deltaTime;
if (lsdTarget.clip)
{
seekPosition = AudioUtility.GetClipPosition(lsdTarget.clip) / lsdTarget.length;
oldSeekPosition = seekPosition;
}
if (stopTimer <= 0)
{
previewing = false;
seekPosition = resetTime;
oldSeekPosition = seekPosition;
if (lsdTarget.clip != null)
{
AudioUtility.PauseClip(lsdTarget.clip);
AudioUtility.SetClipSamplePosition(lsdTarget.clip, (int)(seekPosition * AudioUtility.GetSampleCount(lsdTarget.clip)));
}
}
}
if (isPlaying && lsdTarget.clip == null)
{
seekPosition += deltaTime / lsdTarget.length;
oldSeekPosition = seekPosition;
if (seekPosition >= 1)
{
isPlaying = false;
seekPosition = 0;
}
}
else if (isPlaying)
{
seekPosition = AudioUtility.GetClipPosition(lsdTarget.clip) / lsdTarget.length;
oldSeekPosition = seekPosition;
isPlaying = AudioUtility.IsClipPlaying(lsdTarget.clip);
}
if (isPlaying && visualPreview || previewing && visualPreview)
{
UpdatePreview(seekPosition);
}
}