private async Task <(string hash, GeometryInfo geoInfo, int resolution)> RebuildPreview(
IFileSource source, string filePath,
ConfigVector3?rotation, ConfigVector3?scale,
string knownHash = null)
{
var fileName = Path.GetFileName(filePath);
var fileBytes = await source
.GetFileBytesAsync(filePath)
.Timed("Reading file {0}", fileName);
var(mesh, hash) = await StlImporter
.ImportMeshAsync(fileName, fileBytes, computeHash : knownHash == null)
.Timed("Imported {0}", fileName);
var geoInfo = await GeometryInfo.FromMeshAsync(mesh, rotation, scale);
var(previewData, resolution) = await _previewBuilder
.GetPreviewImageDataAsync(mesh, rotation)
.Timed("Building preview for {0}", fileName);
StlImporter.Destroy(mesh);
await _previewStore.StorePreviewAsync(hash ?? knownHash, previewData);
return(hash, geoInfo, resolution);
}
private void DestroyMesh(Mesh mesh)
{
if (_lookup.TryGetValue(mesh, out var gameObj))
{
Destroy(gameObj);
StlImporter.Destroy(mesh);
_lookup.Remove(mesh);
}
}