private void PlayPreview()
{
m_PreviewID = VideoUtil.StartPreview(m_PlayingClip);
VideoUtil.PlayPreview(m_PreviewID, true);
}
public override void OnPreviewGUI(Rect r, GUIStyle background)
{
VideoClip clip = target as VideoClip;
Event evt = Event.current;
if (evt.type != EventType.Repaint &&
evt.type != EventType.Layout &&
evt.type != EventType.Used)
{
switch (evt.type)
{
case EventType.MouseDown:
{
if (r.Contains(evt.mousePosition))
{
if (m_PlayingClip != null)
{
if (m_PreviewID.Empty() || !VideoUtil.IsPreviewPlaying(m_PreviewID))
{
PlayPreview();
}
else
{
StopPreview();
}
}
evt.Use();
}
}
break;
}
return;
}
if (clip != m_PlayingClip)
{
StopPreview();
m_PlayingClip = clip;
}
Texture image = null;
if (!m_PreviewID.Empty() && VideoUtil.IsPreviewPlaying(m_PreviewID))
{
image = VideoUtil.GetPreviewTexture(m_PreviewID);
if (image != null && m_UseAssetPreview)
{
m_UseAssetPreview = false;
}
}
else
{
image = GetAssetPreviewTexture();
}
if (image != null && image.width != 0 && image.height != 0)
{
m_Texture = image;
}
if (!m_Texture)
{
return;
}
if (Event.current.type == EventType.Repaint)
{
background.Draw(r, false, false, false, false);
}
float previewWidth = m_Texture.width;
float previewHeight = m_Texture.height;
if (m_PlayingClip.pixelAspectRatioDenominator > 0)
{
float pixelAspectRatio = (float)m_PlayingClip.pixelAspectRatioNumerator /
(float)m_PlayingClip.pixelAspectRatioDenominator;
if (pixelAspectRatio > 1.0F)
{
previewWidth *= pixelAspectRatio;
}
else
{
previewHeight /= pixelAspectRatio;
}
}
float zoomLevel = 1.0f;
if ((r.width / previewWidth * previewHeight) > r.height)
{
zoomLevel = r.height / previewHeight;
}
else
{
zoomLevel = r.width / previewWidth;
}
zoomLevel = Mathf.Clamp01(zoomLevel);
Rect wantedRect = !m_UseAssetPreview ? new Rect(r.x, r.y, previewWidth * zoomLevel, m_Texture.height * zoomLevel) : r;
PreviewGUI.BeginScrollView(
r, m_Position, wantedRect, "PreHorizontalScrollbar", "PreHorizontalScrollbarThumb");
if (!m_UseAssetPreview)
{
EditorGUI.DrawTextureTransparent(wantedRect, m_Texture, ScaleMode.StretchToFill);
}
else
{
GUI.DrawTexture(wantedRect, m_Texture, ScaleMode.ScaleToFit);
}
m_Position = PreviewGUI.EndScrollView();
if (!m_PreviewID.Empty() &&
VideoUtil.IsPreviewPlaying(m_PreviewID) &&
Event.current.type == EventType.Repaint)
{
GUIView.current.Repaint();
}
}
public override void OnPreviewGUI(Rect r, GUIStyle background)
{
VideoClip videoClip = base.target as VideoClip;
Event current = Event.current;
if (current.type != EventType.Repaint && current.type != EventType.Layout && current.type != EventType.Used)
{
EventType type = current.type;
if (type == EventType.MouseDown)
{
if (r.Contains(current.mousePosition))
{
if (this.m_PlayingClip != null)
{
if (this.m_PreviewID.Empty() || !VideoUtil.IsPreviewPlaying(this.m_PreviewID))
{
this.PlayPreview();
}
else
{
this.StopPreview();
}
}
current.Use();
}
}
}
else
{
bool flag = true;
bool flag2 = videoClip != this.m_PlayingClip || (!this.m_PreviewID.Empty() && VideoUtil.IsPreviewPlaying(this.m_PreviewID));
if (videoClip != this.m_PlayingClip)
{
this.StopPreview();
this.m_PlayingClip = videoClip;
}
Texture texture = null;
if (!this.m_PreviewID.Empty())
{
texture = VideoUtil.GetPreviewTexture(this.m_PreviewID);
}
if (texture == null || texture.width == 0 || texture.height == 0)
{
texture = this.GetAssetPreviewTexture();
flag = false;
}
if (!(texture == null) && texture.width != 0 && texture.height != 0)
{
if (Event.current.type == EventType.Repaint)
{
background.Draw(r, false, false, false, false);
}
float num = (float)texture.width;
float num2 = (float)texture.height;
if (this.m_PlayingClip.pixelAspectRatioDenominator > 0u)
{
num *= this.m_PlayingClip.pixelAspectRatioNumerator / this.m_PlayingClip.pixelAspectRatioDenominator;
}
float num3;
if (r.width / num * num2 > r.height)
{
num3 = r.height / num2;
}
else
{
num3 = r.width / num;
}
num3 = Mathf.Clamp01(num3);
Rect rect = (!flag) ? r : new Rect(r.x, r.y, num * num3, (float)texture.height * num3);
PreviewGUI.BeginScrollView(r, this.m_Position, rect, "PreHorizontalScrollbar", "PreHorizontalScrollbarThumb");
if (flag)
{
EditorGUI.DrawTextureTransparent(rect, texture, ScaleMode.StretchToFill);
}
else
{
GUI.DrawTexture(rect, texture, ScaleMode.ScaleToFit);
}
this.m_Position = PreviewGUI.EndScrollView();
if (flag2)
{
GUIView.current.Repaint();
}
}
}
}