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.");
}
}
}
