private ExportResults ExportHelper(
SceneStatePayload payload,
string outputFile,
bool binary,
bool doExtras,
int gltfVersion,
bool allowHttpUri)
{
// TODO: Ownership of this temp directory is sloppy.
// Payload and export share the same dir and we assume that the exporter:
// 1. will not write files whose names conflict with payload's
// 2. will clean up the entire directory when done
// This works, as long as the payload isn't used for more than one export (it currently isn't)
using (var exporter = new GlTF_ScriptableExporter(payload.temporaryDirectory, gltfVersion))
{
exporter.AllowHttpUri = allowHttpUri;
try
{
m_exporter = exporter;
exporter.G.binary = binary;
exporter.BeginExport(outputFile);
exporter.SetMetadata(payload.generator, copyright: null);
if (doExtras)
{
SetExtras(exporter, payload);
}
if (payload.env.skyCubemap != null)
{
// Add the skybox texture to the export.
string texturePath = ExportUtils.GetTexturePath(payload.env.skyCubemap);
string textureFilename = Path.GetFileName(texturePath);
exporter.G.extras["TB_EnvironmentSkybox"] =
ExportFileReference.CreateLocal(texturePath, textureFilename);
}
WriteObjectsAndConnections(exporter, payload);
string[] exportedFiles = exporter.EndExport();
return(new ExportResults
{
success = true,
exportedFiles = exportedFiles,
numTris = exporter.NumTris
});
}
catch (InvalidOperationException e)
{
OutputWindowScript.Error("glTF export failed", e.Message);
// TODO: anti-pattern. Let the exception bubble up so caller can log it properly
// Actually, InvalidOperationException is now somewhat expected in experimental, since
// the gltf exporter does not check IExportableMaterial.SupportsDetailedMaterialInfo.
// But we still want the logging for standalone builds.
Debug.LogException(e);
return(new ExportResults {
success = false
});
}
catch (IOException e)
{
OutputWindowScript.Error("glTF export failed", e.Message);
return(new ExportResults {
success = false
});
}
finally
{
payload.Destroy();
// The lifetime of ExportGlTF, GlTF_ScriptableExporter, and GlTF_Globals instances
// is identical. This is solely to be pedantic.
m_exporter = null;
}
}
}
