/// Memoized version of CreateFbxMesh
public FbxMesh GetOrCreateFbxMesh(ExportUtils.BaseMeshPayload payload)
{
if (m_createdMeshes.TryGetValue(payload.geometry, out FbxMesh mesh))
{
return(mesh);
}
else
{
// nb: this name is ignored by Unity, which names meshes after one of the nodes
// which uses that mesh.
FbxMesh newMesh = ExportFbx.CreateFbxMesh(this, payload.geometry, payload.geometryName);
m_createdMeshes[payload.geometry] = newMesh;
return(newMesh);
}
}
private static void ExportBrushStrokesFbx()
{
var current = SaveLoadScript.m_Instance.SceneFile;
string basename = (current.Valid)
? Path.GetFileNameWithoutExtension(current.FullPath).Replace(" ", "_")
: "Untitled";
string directoryName = FileUtils.GenerateNonexistentFilename(
App.UserExportPath(), basename, "");
if (!FileUtils.InitializeDirectoryWithUserError(directoryName,
"Failed to export"))
{
return;
}
string fbxName = Path.Combine(directoryName, basename + ".fbx");
ExportFbx.Export(fbxName, ExportFbx.kFbxAscii);
}
/// Memoized version of CreateFbxMaterial
/// Guarantees 1:1 correspondence between IEM, FbxMaterial, and FbxMaterial.name
public FbxSurfaceMaterial GetOrCreateFbxMaterial(
string meshNamespace,
IExportableMaterial exportableMaterial)
{
// Unity's able to ensure a 1:1 correspondence between FBX materials and generated Unity
// materials. However, users like TBT who go through the OnAssignMaterialModel interface cannot
// distinguish between "two unique materials with the same name" and "one material being
// used multiple times".
//
// Since TBT can't detect reference-equality of FbxMaterial, we have to help it by
// making name-equality the same as reference-equality. IOW distinct materials need
// distinct names.
if (m_createdMaterials.TryGetValue(exportableMaterial, out FbxSurfaceMaterial mtl))
{
return(mtl);
}
else
{
FbxSurfaceMaterial newMtl = ExportFbx.CreateFbxMaterial(
this, meshNamespace, exportableMaterial, m_createdMaterialNames);
m_createdMaterials[exportableMaterial] = newMtl;
return(newMtl);
}
}
public static string ExportScene()
{
var current = SaveLoadScript.m_Instance.SceneFile;
string safeHumanName = FileUtils.SanitizeFilename(current.HumanName);
string basename = FileUtils.SanitizeFilename(
(current.Valid && (safeHumanName != "")) ? safeHumanName : "Untitled");
string parent = FileUtils.GenerateNonexistentFilename(App.UserExportPath(), basename, "");
if (!FileUtils.InitializeDirectoryWithUserError(
parent, "Failed to create export directory"))
{
return("");
}
// Set up progress bar.
var progress = new Progress();
if (App.PlatformConfig.EnableExportJson)
{
progress.SetWork("json");
}
#if FBX_SUPPORTED
if (App.PlatformConfig.EnableExportFbx)
{
progress.SetWork("fbx");
}
#endif
#if USD_SUPPORTED
if (App.PlatformConfig.EnableExportUsd)
{
progress.SetWork("usd");
}
#endif
#if (UNITY_EDITOR || EXPERIMENTAL_ENABLED)
if (Config.IsExperimental)
{
progress.SetWork("wrl");
progress.SetWork("stl");
#if FBX_SUPPORTED
progress.SetWork("obj");
#endif
}
#endif
if (App.PlatformConfig.EnableExportGlb)
{
progress.SetWork("glb");
}
string filename;
if (App.PlatformConfig.EnableExportJson &&
(filename = MakeExportPath(parent, basename, "json")) != null)
{
using (var unused = new AutoTimer("raw export"))
{
OverlayManager.m_Instance.UpdateProgress(0.1f);
ExportRaw.Export(filename);
}
}
progress.CompleteWork("json");
#if FBX_SUPPORTED
if (App.PlatformConfig.EnableExportFbx &&
(filename = MakeExportPath(parent, basename, "fbx")) != null)
{
using (var unused = new AutoTimer("fbx export")) {
OverlayManager.m_Instance.UpdateProgress(0.3f);
ExportFbx.Export(filename,
App.UserConfig.Export.ExportBinaryFbx ? ExportFbx.kFbxBinary : ExportFbx.kFbxAscii,
App.UserConfig.Export.ExportFbxVersion);
OverlayManager.m_Instance.UpdateProgress(0.5f);
}
}
progress.CompleteWork("fbx");
#endif
#if USD_SUPPORTED
if (App.PlatformConfig.EnableExportUsd &&
(filename = MakeExportPath(parent, basename, "usd")) != null)
{
using (var unused = new AutoTimer("usd export")) {
ExportUsd.ExportPayload(filename);
}
}
progress.CompleteWork("usd");
#endif
#if (UNITY_EDITOR || EXPERIMENTAL_ENABLED)
if (Config.IsExperimental &&
(filename = MakeExportPath(parent, basename, "wrl")) != null)
{
ExportVrml.Export(filename);
progress.CompleteWork("wrl");
}
if (Config.IsExperimental &&
(filename = MakeExportPath(parent, basename, "stl")) != null)
{
ExportStl.Export(filename);
progress.CompleteWork("stl");
}
#if FBX_SUPPORTED
if (Config.IsExperimental &&
App.PlatformConfig.EnableExportFbx &&
(filename = MakeExportPath(parent, basename, "obj")) != null)
{
// This has never been tested with the new fbx export style and may not work
ExportFbx.Export(filename, ExportFbx.kObj);
progress.CompleteWork("obj");
}
#endif
#endif
var results = new ExportGlTF.ExportResults();
if (App.PlatformConfig.EnableExportGlb)
{
string extension = App.Config.m_EnableGlbVersion2 ? "glb" : "glb1";
int gltfVersion = App.Config.m_EnableGlbVersion2 ? 2 : 1;
filename = MakeExportPath(parent, basename, extension);
if (filename != null)
{
using (var unused = new AutoTimer("glb export"))
{
OverlayManager.m_Instance.UpdateProgress(0.7f);
var exporter = new ExportGlTF();
// TBT doesn't need (or want) brush textures in the output because it replaces all
// the materials, so it's fine to keep those http:. However, Sketchfab doesn't support
// http textures so if uploaded, this glb will have missing textures.
results = exporter.ExportBrushStrokes(
filename, AxisConvention.kGltf2, binary: true, doExtras: false,
includeLocalMediaContent: true,
gltfVersion: gltfVersion);
progress.CompleteWork("glb");
}
}
}
OutputWindowScript.m_Instance.CreateInfoCardAtController(
InputManager.ControllerName.Brush, basename + " exported! Your download will begin in 5 seconds.");
ControllerConsoleScript.m_Instance.AddNewLine("Located in " + App.UserExportPath());
string readmeFilename = Path.Combine(App.UserExportPath(), kExportReadmeName);
if (!File.Exists(readmeFilename) && !Directory.Exists(readmeFilename))
{
File.WriteAllText(readmeFilename, kExportReadmeBody);
}
return(results.exportedFiles[0]);
}