static IEnumerable <ValueTuple <ARResourceGroup, XRReferenceImageLibrary> > ResourceGroups() { // Create a resource group for each reference image library foreach (var library in ARKitBuildHelper.AssetsOfType <XRReferenceImageLibrary>()) { var resourceGroup = new ARResourceGroup(library.name + "_" + library.guid.ToUUIDString()); // Create a resource group for each library foreach (var referenceImage in library) { try { resourceGroup.AddResource(new ARReferenceImage(referenceImage)); } catch (ARReferenceImage.InvalidWidthException) { throw new BuildFailedException(string.Format("ARKit requires dimensions for all images. Reference image at index {0} named '{1}' in library '{2}' requires a non-zero width.", library.indexOf(referenceImage), referenceImage.name, AssetDatabase.GetAssetPath(library))); } catch (ARReferenceImage.MissingTextureException) { throw new BuildFailedException(string.Format("Reference image at index {0} named '{1}' in library '{2}' is missing a texture.", library.indexOf(referenceImage), referenceImage.name, AssetDatabase.GetAssetPath(library))); } catch (ARReferenceImage.BadTexturePathException) { throw new BuildFailedException(string.Format("Could not resolve texture path for reference image at index {0} named '{1}' in library '{2}'.", library.indexOf(referenceImage), referenceImage.name, AssetDatabase.GetAssetPath(library))); } catch (ARReferenceImage.LoadTextureException e) { throw new BuildFailedException(string.Format("Could not load texture at path {0} for reference image at index {1} named '{2}' in library '{3}'.", e.path, library.indexOf(referenceImage), referenceImage.name, AssetDatabase.GetAssetPath(library))); } catch (ARReferenceImage.TextureNotExportableException) { throw new BuildFailedException(string.Format( "Reference image at index {0} named '{1}' in library '{2}' could not be exported. " + "ARKit can directly use a texture's source asset if it is a JPG or PNG. " + "For all other formats, the texture must be exported to PNG, which requires the texture to be readable and uncompressed. " + "Change the Texture Import Settings or use a JPG or PNG.", library.indexOf(referenceImage), referenceImage.name, AssetDatabase.GetAssetPath(library))); } catch { Debug.LogErrorFormat("Failed to generate reference image at index {0} named '{1}' in library '{2}'.", library.indexOf(referenceImage), referenceImage.name, AssetDatabase.GetAssetPath(library)); throw; } } yield return(resourceGroup, library); } }
static void ValidateReferenceObjects(Warnings warnings) { foreach (var library in ARKitBuildHelper.AssetsOfType <XRReferenceObjectLibrary>()) { var resourceCount = 0; foreach (var referenceObject in library) { if (string.IsNullOrEmpty(referenceObject.name) && (warnings & Warnings.MissingName) != 0) { Debug.LogWarning($"Reference object {library.IndexOf(referenceObject)} named '{referenceObject.name}' in library {AssetDatabase.GetAssetPath(library)} does not have a name. The reference object will still work, but you will not be able to refer to it by name."); } var arkitEntry = referenceObject.FindEntry <ARKitReferenceObjectEntry>(); if (arkitEntry == null) { if ((warnings & Warnings.MissingEntry) != 0) { Debug.LogWarning($"The ARKit variant for reference object {library.IndexOf(referenceObject)} named '{referenceObject.name}' in library {AssetDatabase.GetAssetPath(library)} is missing. This reference object will omitted from the library."); } } else { var assetPath = AssetDatabase.GetAssetPath(arkitEntry); if (string.IsNullOrEmpty(assetPath)) { throw new BuildFailedException($"The ARKit variant for reference object {library.IndexOf(referenceObject)} named '{referenceObject.name}' in reference object library {AssetDatabase.GetAssetPath(library)} does not refer to a valid asset file."); } var info = ARObjectImporter.ReadInfo(assetPath); if (!info.HasValue) { throw new BuildFailedException($"The ARKit variant for reference object {library.IndexOf(referenceObject)} named '{referenceObject.name}' in reference object library {AssetDatabase.GetAssetPath(library)} could not be read. The arobject file may be corrupt."); } if (string.IsNullOrEmpty(info.Value.trackingDataReference)) { throw new BuildFailedException($"The ARKit variant for reference object {library.IndexOf(referenceObject)} named '{referenceObject.name}' in reference object library {AssetDatabase.GetAssetPath(library)} is missing tracking data (the 3D object scan data). The arobject file may be corrupt."); } resourceCount++; } } if (resourceCount == 0 && (warnings & Warnings.EmptyLibrary) != 0) { Debug.LogWarning($"Reference object library at {AssetDatabase.GetAssetPath(library)} does not contain any ARKit reference objects. The library will be empty."); } } }