//----------------------------------------------------------------------------------------------------------------------
private static BaseTextureBlitter CreateBlitter(Texture texToBlit)
{
GameObject blitterGO = new GameObject("Blitter");
#if AT_USE_HDRP
HDRPTextureEndFrameBlitter blitter = blitterGO.AddComponent <HDRPTextureEndFrameBlitter>();
blitter.SetTargetCameraType(CameraType.Game);
#elif AT_USE_URP
URPTextureBlitter blitter = blitterGO.AddComponent <URPTextureBlitter>();
#else
LegacyTextureBlitter blitter = blitterGO.AddComponent <LegacyTextureBlitter>();
#endif
blitter.SetSrcTexture(texToBlit);
blitter.SetCameraDepth(int.MaxValue);
return(blitter);
}
//----------------------------------------------------------------------------------------------------------------------
private static GameObject CreateBlitter(Texture texToBlit, Color bgColor)
{
GameObject blitterGO = new GameObject("Blitter");
#if AT_USE_HDRP
HDRPTextureEndFrameBlitter blitter = blitterGO.AddComponent <HDRPTextureEndFrameBlitter>();
blitter.SetTargetCameraType(CameraType.Game);
#elif AT_USE_URP
URPTextureBlitter blitter = blitterGO.AddComponent <URPTextureBlitter>();
#else
LegacyTextureBlitter blitter = blitterGO.AddComponent <LegacyTextureBlitter>();
#endif
blitter.SetSrcTexture(texToBlit);
blitter.SetCameraDepth(int.MaxValue);
//Setup blitMaterial
Shader blitShader = AssetDatabase.LoadAssetAtPath <Shader>(SISEditorConstants.TRANSPARENT_BG_COLOR_SHADER_PATH);
Material blitMaterial = new Material(blitShader);
blitMaterial.hideFlags = HideFlags.DontSaveInBuild | HideFlags.DontSaveInEditor;
blitMaterial.SetColor(m_bgColorProperty, bgColor);
blitter.SetBlitMaterial(blitMaterial);
return(blitterGO);
}
//----------------------------------------------------------------------------------------------------------------------
internal static IEnumerator UpdateRenderCacheCoroutine(PlayableDirector director, RenderCachePlayableAsset renderCachePlayableAsset)
{
Assert.IsNotNull(director);
Assert.IsNotNull(renderCachePlayableAsset);
TimelineClipSISData timelineClipSISData = renderCachePlayableAsset.GetBoundTimelineClipSISData();
if (null == timelineClipSISData)
{
EditorUtility.DisplayDialog("Streaming Image Sequence",
"RenderCachePlayableAsset is not ready",
"Ok");
yield break;
}
TrackAsset track = renderCachePlayableAsset.GetBoundTimelineClipSISData().GetOwner().parentTrack;
BaseRenderCapturer renderCapturer = director.GetGenericBinding(track) as BaseRenderCapturer;
if (null == renderCapturer)
{
EditorUtility.DisplayDialog("Streaming Image Sequence",
"Please bind an appropriate RenderCapturer component to the track.",
"Ok");
yield break;
}
//begin capture
bool canCapture = renderCapturer.BeginCapture();
if (!canCapture)
{
EditorUtility.DisplayDialog("Streaming Image Sequence",
renderCapturer.GetLastErrorMessage(),
"Ok");
yield break;
}
//Check output folder
string outputFolder = renderCachePlayableAsset.GetFolder();
if (string.IsNullOrEmpty(outputFolder) || !Directory.Exists(outputFolder))
{
EditorUtility.DisplayDialog("Streaming Image Sequence",
"Invalid output folder",
"Ok");
yield break;
}
Texture capturerTex = renderCapturer.GetInternalTexture();
//Show progress in game view
GameObject progressGo = new GameObject("Blitter");
LegacyTextureBlitter blitter = progressGo.AddComponent <LegacyTextureBlitter>();
blitter.SetTexture(capturerTex);
blitter.SetCameraDepth(int.MaxValue);
TimelineClip timelineClip = timelineClipSISData.GetOwner();
double nextDirectorTime = timelineClip.start;
double timePerFrame = 1.0f / track.timelineAsset.editorSettings.fps;
int fileCounter = 0;
int numFiles = (int)Math.Ceiling(timelineClip.duration / timePerFrame) + 1;
int numDigits = MathUtility.GetNumDigits(numFiles);
string prefix = $"{timelineClip.displayName}_";
List <string> imageFileNames = new List <string>(numFiles);
//Store old files that has the same pattern
string[] existingFiles = Directory.GetFiles(outputFolder, $"*.png");
HashSet <string> filesToDelete = new HashSet <string>(existingFiles);
bool cancelled = false;
while (nextDirectorTime <= timelineClip.end && !cancelled)
{
string fileName = $"{prefix}{fileCounter.ToString($"D{numDigits}")}.png";
string outputFilePath = Path.Combine(outputFolder, fileName);
SISPlayableFrame playableFrame = timelineClipSISData.GetPlayableFrame(fileCounter);
bool captureFrame = (!timelineClipSISData.AreFrameMarkersRequested() || //if markers are not requested, capture
!File.Exists(outputFilePath) || //if file doesn't exist, capture
(null != playableFrame && playableFrame.IsUsed() && !playableFrame.IsLocked())
);
if (filesToDelete.Contains(outputFilePath))
{
filesToDelete.Remove(outputFilePath);
}
imageFileNames.Add(fileName);
if (captureFrame)
{
SetDirectorTime(director, nextDirectorTime);
//Need at least two frames in order to wait for the TimelineWindow to be updated ?
yield return(null);
yield return(null);
yield return(null);
//Unload texture because it may be overwritten
StreamingImageSequencePlugin.UnloadImageAndNotify(outputFilePath);
renderCapturer.CaptureToFile(outputFilePath);
}
nextDirectorTime += timePerFrame;
++fileCounter;
cancelled = EditorUtility.DisplayCancelableProgressBar(
"StreamingImageSequence", "Caching render results", ((float)fileCounter / numFiles));
}
if (!cancelled)
{
renderCachePlayableAsset.SetImageFileNames(imageFileNames);
//Delete old files
if (AssetDatabase.IsValidFolder(outputFolder))
{
foreach (string oldFile in filesToDelete)
{
AssetDatabase.DeleteAsset(oldFile);
}
}
else
{
foreach (string oldFile in filesToDelete)
{
File.Delete(oldFile);
}
}
}
//Notify
FolderContentsChangedNotifier.GetInstance().Notify(outputFolder);
//Cleanup
EditorUtility.ClearProgressBar();
renderCapturer.EndCapture();
ObjectUtility.Destroy(progressGo);
AssetDatabase.Refresh();
yield return(null);
}
