public static Texture2D GetAssetPreviewFromPath(string path, FetchPreviewOptions previewOptions)
{
var tex = AssetDatabase.LoadAssetAtPath <Texture2D>(path);
if (tex)
{
return(tex);
}
if (!previewOptions.HasFlag(FetchPreviewOptions.Large))
{
var assetType = AssetDatabase.GetMainAssetTypeAtPath(path);
if (assetType == typeof(AudioClip))
{
return(GetAssetThumbnailFromPath(path));
}
}
var obj = AssetDatabase.LoadMainAssetAtPath(path);
if (obj == null)
{
return(null);
}
return(GetAssetPreview(obj, previewOptions));
}
public static Texture2D GetAssetPreview(UnityEngine.Object obj, FetchPreviewOptions previewOptions)
{
var preview = AssetPreview.GetAssetPreview(obj);
if (preview == null || previewOptions.HasFlag(FetchPreviewOptions.Large))
{
var largePreview = AssetPreview.GetMiniThumbnail(obj);
if (preview == null || (largePreview != null && largePreview.width > preview.width))
{
preview = largePreview;
}
}
return(preview);
}
public static Texture2D GetAssetPreviewFromPath(string path, Vector2 previewSize, FetchPreviewOptions previewOptions)
{
var obj = AssetDatabase.LoadAssetAtPath <UnityEngine.Object>(path);
if (obj == null)
{
return(null);
}
var preview = AssetPreview.GetAssetPreview(obj);
if (preview == null || previewOptions.HasFlag(FetchPreviewOptions.Large))
{
var largePreview = AssetPreview.GetMiniThumbnail(obj);
if (preview == null || (largePreview != null && largePreview.width > preview.width))
{
preview = largePreview;
}
}
return(preview);
}
private static Texture2D FetchPreview(SearchItem item, FetchPreviewOptions options)
{
if (!GlobalObjectId.TryParse(item.id, out var gid))
{
return(null);
}
if (options.HasFlag(FetchPreviewOptions.Large))
{
var go = GlobalObjectId.GlobalObjectIdentifierToObjectSlow(gid) as GameObject;
if (go)
{
return(AssetPreview.GetAssetPreview(go));
}
}
var sourceAssetPath = AssetDatabase.GUIDToAssetPath(gid.assetGUID.ToString());
return(AssetDatabase.GetCachedIcon(sourceAssetPath) as Texture2D);
}
private static Texture2D FetchPreview(SearchItem item, SearchContext context, Vector2 size, FetchPreviewOptions options)
{
if (!options.HasFlag(FetchPreviewOptions.Large))
{
return(null);
}
var doc = (AssetDocument)item.data;
if (s_PackagesKey != null)
{
if (doc.productDetail == null)
{
var productId = Convert.ToInt32(doc.id);
RequestProductDetailsInfo(new[] { productId }, (detail, error) =>
{
if (error != null || detail.results.Length == 0)
{
return;
}
doc.productDetail = detail.results[0];
doc.images = new[] { doc.productDetail.mainImage.big }.Concat(
doc.productDetail.images.Where(img => img.type == "screenshot").Select(imgDesc => imgDesc.imageUrl)).ToArray();
});
}
}
if (doc.productDetail?.images.Length > 0)
{
return(doc.lastPreview = FetchImage(doc.images, true, s_Previews) ?? doc.lastPreview);
}
if (doc.key_images.Length > 0)
{
return(doc.lastPreview = FetchImage(doc.key_images, true, s_Previews) ?? doc.lastPreview);
}
return(doc.lastPreview = FetchImage(doc.icon, true, s_Previews) ?? doc.lastPreview);
}