private Texture2D CreatePreview(bool thumbnail = true)
{
Texture2D result = null;
if (!string.IsNullOrEmpty(info.spritePackerTag))
{
if (thumbnail)
{
if (asset != null)
{
result = AssetPreview.GetMiniThumbnail(asset);
}
}
if (!result)
{
result = AssetPreview.GetMiniTypeThumbnail(typeof(Texture2D));
}
}
else
{
string extension = ReliablePath.GetExtension(info.path).ToLower();
switch (extension)
{
case ".ai":
case ".apng":
case ".png":
case ".bmp":
case ".cdr":
case ".dib":
case ".eps":
case ".exif":
case ".gif":
case ".ico":
case ".icon":
case ".j":
case ".j2c":
case ".j2k":
case ".jas":
case ".jiff":
case ".jng":
case ".jp2":
case ".jpc":
case ".jpe":
case ".jpeg":
case ".jpf":
case ".jpg":
case ".jpw":
case ".jpx":
case ".jtf":
case ".mac":
case ".omf":
case ".qif":
case ".qti":
case ".qtif":
case ".tex":
case ".tfw":
case ".tga":
case ".tif":
case ".tiff":
case ".wmf":
case ".psd":
case ".exr":
case ".shadervariants":
case ".asset":
if (thumbnail)
{
if (asset != null)
{
result = AssetPreview.GetMiniThumbnail(asset);
}
}
break;
case ".cubemap":
result = AssetPreview.GetMiniTypeThumbnail(typeof(Cubemap));
break;
case ".xml":
case ".txt":
case ".bytes":
result = AssetPreview.GetMiniTypeThumbnail(typeof(TextAsset));
break;
}
if (result == null)
{
result = UnityEditorInternal.InternalEditorUtility.GetIconForFile(extension);
}
}
return(result);
}
