//----------------------------------------------------------------------------------------------------------------------
void DrawPreviewImage(ref PreviewDrawInfo drawInfo, TimelineClip clip, StreamingImageSequencePlayableAsset sisAsset)
{
int imageIndex = sisAsset.LocalTimeToImageIndex(clip, drawInfo.LocalTime);
IList <string> imageFileNames = sisAsset.GetImageFileNames();
//Load
string imagePath = sisAsset.GetImageFilePath(imageIndex);
ImageLoader.GetImageDataInto(imagePath, StreamingImageSequenceConstants.IMAGE_TYPE_PREVIEW
, out ImageData readResult);
switch (readResult.ReadStatus)
{
case StreamingImageSequenceConstants.READ_STATUS_LOADING:
break;
case StreamingImageSequenceConstants.READ_STATUS_SUCCESS: {
Texture2D tex = PreviewTextureFactory.GetOrCreate(imagePath, ref readResult);
if (null != tex)
{
Graphics.DrawTexture(drawInfo.DrawRect, tex);
}
break;
}
default: {
ImageLoader.RequestLoadPreviewImage(imagePath, (int)drawInfo.DrawRect.width, (int)drawInfo.DrawRect.height);
break;
}
}
}
//----------------------------------------------------------------------------------------------------------------------
void DrawPreviewImage(ref PreviewDrawInfo drawInfo, TimelineClip clip,
RenderCachePlayableAsset renderCachePlayableAsset)
{
double normalizedLocalTime = drawInfo.LocalTime / clip.duration;
IList <string> imageFileNames = renderCachePlayableAsset.GetImageFileNames();
Assert.IsNotNull(imageFileNames);
int count = imageFileNames.Count;
Assert.IsTrue(imageFileNames.Count > 0);
int index = Mathf.RoundToInt(count * (float)normalizedLocalTime);
index = Mathf.Clamp(index, 0, count - 1);
//Load
string imagePath = renderCachePlayableAsset.GetImageFilePath(index);
if (!File.Exists(imagePath))
{
return;
}
ImageLoader.GetImageDataInto(imagePath, StreamingImageSequenceConstants.IMAGE_TYPE_PREVIEW
, out ImageData imageData);
switch (imageData.ReadStatus)
{
case StreamingImageSequenceConstants.READ_STATUS_LOADING:
break;
case StreamingImageSequenceConstants.READ_STATUS_SUCCESS: {
Texture2D tex = PreviewTextureFactory.GetOrCreate(imagePath, ref imageData);
if (null != tex)
{
Graphics.DrawTexture(drawInfo.DrawRect, tex);
}
break;
}
default: {
ImageLoader.RequestLoadPreviewImage(imagePath, (int)drawInfo.DrawRect.width, (int)drawInfo.DrawRect.height);
break;
}
}
}
private static void ShowLoadedImages()
{
StringBuilder sb = new StringBuilder();
for (int imageType = 0; imageType < StreamingImageSequenceConstants.MAX_IMAGE_TYPES; ++imageType)
{
sb.AppendLine("IMAGE_TYPE: " + imageType.ToString());
List <string> loadedTextures = new List <string>();
StreamingImageSequencePlugin.ListLoadedImages(imageType, (fileName) => {
loadedTextures.Add(fileName);
});
foreach (var fileName in loadedTextures)
{
ImageLoader.GetImageDataInto(fileName, imageType, out ImageData readResult);
sb.Append(" ");
sb.Append(fileName);
sb.Append(". Status: " + readResult.ReadStatus);
sb.Append(", Size: (" + readResult.Width + ", " + readResult.Height);
sb.AppendLine(") ");
}
sb.AppendLine("----------------------------------------------------------------");
sb.AppendLine();
sb.AppendLine();
}
sb.AppendLine("Preview Textures: ");
IDictionary <string, PreviewTexture> previewTextures = PreviewTextureFactory.GetPreviewTextures();
foreach (var kvp in previewTextures)
{
sb.Append(" ");
sb.AppendLine(kvp.Key);
}
Debug.Log(sb.ToString());
}
static void PreviewTextureFactory_OnSceneCreated( Scene scene, NewSceneSetup setup, NewSceneMode mode) {
PreviewTextureFactory.Reset();
}
static void PreviewTextureFactory_OnSceneClosed(Scene scene) {
PreviewTextureFactory.Reset();
}
private static void Reset()
{
EditorUpdateManager.ResetImageLoading();
PreviewTextureFactory.Reset();
}