/// <summary> Draws the component [have to be invoked in OnGUI]..</summary>
/// <param name="rect">X position for the timeline.</param>
/// <param name="scrollDelta">Scroll delta.</param>
/// <returns>Real component size.</returns>
public Rect GUIDraw(float xPos, float scrollDelta)
{
base.Draw(_rect, _rectWasChanged);
_mousePos = Event.current.mousePosition;
Rect GUITextureSoundRectTemp = GUITextureSoundRect;
if (_allowDrag && _rect.Contains(Event.current.mousePosition))
{
if (Event.current.type == EventType.MouseDown && Event.current.button == 0)
{
_wasMouseDown = true;
if (GUITextureSoundRectTemp.Contains(_mousePos))
{
_diffAtGrab = _mousePos.x - _timeLinePanel.TimeToWorldX((float)_audioClipStartTime);
}
}
if (_wasMouseDown && Event.current.type == EventType.MouseDrag)
{
_wasMouseDown = false;
if (!_dragOutsideAudioClip && GUITextureSoundRectTemp.Contains(_mousePos))
{
_dragOnAudioClip = true;
}
else
{
_dragOutsideAudioClip = true;
}
}
if (((_wasMouseDown && Event.current.type == EventType.MouseUp) || _dragOutsideAudioClip))
{
_timeLinePanel.TimeLineEngine.SetTime(_timeLinePanel.WorldXToTime(Event.current.mousePosition.x));
}
}
if (Event.current.type == EventType.MouseUp)
{
_dragOnAudioClip = false;
_dragOutsideAudioClip = false;
_wasMouseDown = false;
}
if (_soundWavesTexture == null || _durationWasChanged || _rectWasChanged || _lastXPos != xPos || scrollDelta != 0)
{
_lastXPos = xPos;
_rectWasChanged = false;
_durationWasChanged = false;
int textureWidth = (int)_rect.width;
int textureHeight = (int)_rect.height;
int soundWavesTextureWidth = textureWidth - BorderThickness * 2;
int soundWavesTextureHeight = textureHeight - BorderThickness * 2;
_soundWavesTexture = new Texture2D(soundWavesTextureWidth, soundWavesTextureHeight, TextureFormat.ARGB32, false);
bool valid = true;
Rect textureSoundRect = TextureSoundRect;
if (_audioClip == null || textureSoundRect.width == 0)
{
valid = false;
}
Color[] soundWavesBackgroundColors;
soundWavesBackgroundColors = new Color[soundWavesTextureWidth * soundWavesTextureHeight];
soundWavesBackgroundColors.Fill(NormalColor);
_soundWavesTexture.SetPixels(0, 0, soundWavesTextureWidth, soundWavesTextureHeight, soundWavesBackgroundColors);
if (valid)
{
soundWavesBackgroundColors = new Color[(int)(textureSoundRect.width * textureSoundRect.height)];
soundWavesBackgroundColors.Fill(new Color32(211, 211, 211, 255));
_soundWavesTexture.SetPixels((int)textureSoundRect.x, (int)textureSoundRect.y, (int)textureSoundRect.width, (int)textureSoundRect.height, soundWavesBackgroundColors);
if (_audioClip != null)
{
AudioUtils.DoRenderPreview(_audioClip, _soundWavesTexture, _timeLinePanel.TimeLineEngine, _lastXPos, _audioClipStartTime);
}
else
{
_soundWavesTexture.Apply();
}
}
else
{
_soundWavesTexture.Apply();
}
_soundWavesTextureStyle.normal.background = _soundWavesTexture;
// refresh
SetTimeFromSec((float)AudioClipStartTime.TotalSeconds);
}
GUI.Box(new Rect(_rect.x + BorderThickness, _rect.y + BorderThickness, _rect.width - BorderThickness * 2, _rect.height - BorderThickness * 2), GUIContent.none, _soundWavesTextureStyle);
if (_dragOnAudioClip)
{
EditorGUIUtility.AddCursorRect(GUITextureSoundRectTemp, MouseCursor.Pan);
}
return(_controlRect);
}
