void repaint()
{
var clip = selectedAudioClip;
if (clip == null)
{
return;
}
offset = AudioUtilBindings.getClipSamplePosition(clip);
for (var i = 0; i < clip.channels; i++)
{
drawChannel(channelRect(i, clip.channels), channel: i);
}
selectionRenderer.drawHover(scrollRect, Color.red);
selectionRenderer.drawSelection(scrollRect, Color.red);
if (AudioUtilBindings.isClipPlaying(clip))
{
var currentSample = AudioUtilBindings.getClipSamplePosition(clip);
var xpos = (currentSample / (float)currentAudioData.sampleCount) * scrollRect.width;
EditorGUI.DrawRect(new Rect(xpos, 0, 2, scrollRect.height), Color.green);
Repaint();
}
if (handleTexture != null)
{
volumeGraph.drawMouseHover(channelRect(0, currentAudioData.channels), handleTexture);
}
}
void clearCaches()
{
AudioUtilBindings.stopAllClips();
isPaused = false;
waveformRenderer.clearMinMaxCache();
selectionRenderer.clearCaches();
volumeGraph = new VolumeGraph();
}
void onSelectionRangeChanged()
{
var clip = selectedAudioClip;
if (clip == null)
{
return;
}
if (AudioUtilBindings.isClipPlaying(clip) && isPaused)
{
AudioUtilBindings.stopAllClips();
}
}
void OnGUI()
{
var clip = selectedAudioClip;
var text = (clip != null ? clip.name : "No audio clip selected");
EditorGUILayout.BeginHorizontal();
GUILayout.Label("Audio editor: " + text);
if (clip != null && selectionRenderer.hasSelection)
{
if (GUILayout.Button("Fade in"))
{
volumeGraph.applyFadeIn(selectionRenderer.selectionFrom, selectionRenderer.selectionTo); Repaint();
}
if (GUILayout.Button("Fade out"))
{
volumeGraph.applyFadeOut(selectionRenderer.selectionFrom, selectionRenderer.selectionTo); Repaint();
}
;
if (GUILayout.Button("Silence"))
{
volumeGraph.applySilence(selectionRenderer.selectionFrom, selectionRenderer.selectionTo); Repaint();
}
if (selectionRenderer.hasSelectionRange)
{
if (GUILayout.Button("Crop"))
{
cropAudio(selectionRenderer.selectionFrom, selectionRenderer.selectionTo); Repaint();
}
}
else
{
if (GUILayout.Button("crop from"))
{
cropAudio(selectionRenderer.selectionFrom, to: 1); Repaint();
}
if (GUILayout.Button("crop to"))
{
cropAudio(from: 0, selectionRenderer.selectionTo); Repaint();
}
}
}
if (GUILayout.Button("Export"))
{
exportAudio(); Repaint();
}
if (clip != null)
{
if (AudioUtilBindings.isClipPlaying(clip))
{
if (GUILayout.Button("Stop"))
{
AudioUtilBindings.stopAllClips();
isPaused = false;
}
if (!isPaused)
{
if (GUILayout.Button("Pause"))
{
isPaused = true;
AudioUtilBindings.pauseClip(clip);
}
}
else
{
if (GUILayout.Button("Play"))
{
isPaused = false;
AudioUtilBindings.resumeClip(clip);
}
}
}
else
{
if (GUILayout.Button("Play"))
{
isPaused = false;
AudioUtilBindings.stopAllClips();
AudioUtilBindings.playClip(clip);
if (selectionRenderer.hasSelection)
{
var sampleFrom = Mathf.FloorToInt(selectionRenderer.selectionFrom * currentAudioData.sampleCount);
AudioUtilBindings.setClipSamplePosition(clip, sampleFrom);
}
}
}
EditorGUILayout.PrefixLabel("Playback volume");
playbackVolume = EditorGUILayout.Slider(playbackVolume, 0, 1);
}
EditorGUILayout.EndHorizontal();
if (clip == null)
{
return;
}
if (AudioUtilBindings.isClipPlaying(clip) && selectionRenderer.hasSelectionRange)
{
var currentSample = AudioUtilBindings.getClipSamplePosition(clip);
var sampleFrom = Mathf.FloorToInt(selectionRenderer.selectionFrom * currentAudioData.sampleCount);
var sampleTo = Mathf.FloorToInt(selectionRenderer.selectionTo * currentAudioData.sampleCount);
if (currentSample >= sampleTo)
{
AudioUtilBindings.stopAllClips();
}
}
var mouseInScrollView = contentRect.containsPoint(Event.current.mousePosition);
scrollPos = GUI.BeginScrollView(contentRect, scrollPos, scrollRect, alwaysShowHorizontal: true, alwaysShowVertical: false);
if (volumeGraph.handleMouseEvent(Event.current, channelRect(0, currentAudioData.channels)))
{
Event.current.Use();
Repaint();
}
else if (selectionRenderer.handleEvent(Event.current, scrollRect))
{
Event.current.Use();
Repaint();
}
else
{
switch (Event.current.type)
{
case EventType.Repaint: repaint(); break;
case EventType.ScrollWheel:
if (mouseInScrollView)
{
// var mouseBefore = Mathf.InverseLerp(0, scrollRect.width, Event.current.mousePosition.x);
scale = Mathf.Clamp(scale - Event.current.delta.y * 0.1f, min: 1, max: 40);
// var mouseAfter = Mathf.InverseLerp(0, scrollRect.width, Event.current.mousePosition.x);
// Debug.Log($"Before: {mouseBefore}, after: {mouseAfter}");
// scrollPos.x += (mouseAfter - mouseBefore);
lastScrollTime = Stopwatch.GetTimestamp();
Repaint();
Event.current.Use();
}
break;
case EventType.KeyDown:
if (Event.current.keyCode == KeyCode.Space)
{
if (clip == null)
{
break;
}
Event.current.Use();
if (AudioUtilBindings.isClipPlaying(clip))
{
if (!isPaused)
{
isPaused = true;
AudioUtilBindings.pauseClip(clip);
}
else
{
isPaused = false;
AudioUtilBindings.resumeClip(clip);
}
}
else
{
isPaused = false;
AudioUtilBindings.stopAllClips();
AudioUtilBindings.playClip(clip);
if (selectionRenderer.hasSelection)
{
var sampleFrom = Mathf.FloorToInt(selectionRenderer.selectionFrom * currentAudioData.sampleCount);
AudioUtilBindings.setClipSamplePosition(clip, sampleFrom);
}
}
}
else if (Event.current.keyCode == KeyCode.LeftArrow)
{
Event.current.Use();
selectionRenderer.moveSelection(seconds: -1, clipLength: clip.length, moveTo: (Event.current.modifiers & EventModifiers.Shift) == 0);
Repaint();
}
else if (Event.current.keyCode == KeyCode.RightArrow)
{
Event.current.Use();
selectionRenderer.moveSelection(seconds: 1, clipLength: clip.length, moveTo: (Event.current.modifiers & EventModifiers.Shift) == 0);
Repaint();
}
break;
}
}
GUI.EndScrollView();
}
