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);
}
}
private IEnumerator DownloadObject(string url, string name, float scale, Vector3 offset)
{
UnityWebRequest webop = UnityWebRequest.Get(url);
webop.chunkedTransfer = false;
webop.SetRequestHeader("Accept", "multipart/related");
webop.downloadHandler = new DownloadHandlerBuffer();
yield return(webop.SendWebRequest());
if (webop.isNetworkError && webop.responseCode != 200L)
{
Debug.Log(webop.error);
}
else
{
byte[] text = webop.downloadHandler.data;
StlImporter importer = new StlImporter();
GameObject obj = GameObject.Find("Holograms/" + name).gameObject;
obj.transform.localScale = new Vector3(scale, scale, scale);
obj.transform.localPosition = offset;
obj.name = name;
obj.layer = 0;
obj.AddComponent <MeshRenderer>();
obj.AddComponent <MeshFilter>();
obj.AddComponent <MeshCollider>();
obj.GetComponent <MeshFilter>().mesh = importer.ImportFile(text);
obj.GetComponent <MeshFilter>().sharedMesh = obj.GetComponent <MeshFilter>().mesh;
obj.GetComponent <MeshFilter>().mesh.RecalculateNormals();
obj.GetComponent <MeshFilter>().mesh.RecalculateTangents();
obj.GetComponent <MeshFilter>().mesh.RecalculateBounds();
obj.GetComponent <MeshCollider>().sharedMesh = null;
obj.GetComponent <MeshCollider>().sharedMesh = obj.GetComponent <MeshFilter>().mesh;
obj.GetComponent <MeshCollider>().convex = false;
obj.GetComponent <MeshCollider>().enabled = true;
obj.GetComponent <Renderer>().material = Resources.Load <Material>("Materials/defaultMat");
obj.GetComponent <Renderer>().enabled = true;
obj.SetActive(true);
}
}
public async Task <Mesh> GetMeshAsync(ItemPreviewModel previewModel)
{
IFileSource source = null;
string filePath = null;
_lock.Read(() => (source, filePath) = _previewModels.TryGetFileSource(previewModel));
if (source == null || filePath == null)
{
return(null);
}
var fileName = Path.GetFileName(filePath);
var fileBytes = await source
.GetFileBytesAsync(filePath)
.Timed("Reading file {0}", fileName);
var(mesh, _) = await StlImporter
.ImportMeshAsync(fileName, fileBytes, centerVertices : false, computeHash : false)
.Timed("Imported {0}", fileName);
return(mesh);
}