Changes in usd-unity-sdk for Unity

[3.0.0-exp.5] - 2023-10-12

Features

  • Added basic URP Import support.

Bug Fixes

  • Fixed export for Prefabs from the Project Window.
  • Fixed export of URP base and occlusion maps for Lit shader.
  • Fixed USD component removal workflows for Prefabs.
  • Fixed transparency import for URP only.
  • Fixed exports to apply UsdShadeMaterialBindingAPI/UsdSkelBindingAPI APIs where appropriate.
  • Fixed exports to include metersPerUnit stage-level metadata.

Changed

  • Renamed USD.md in the Documentation folder to index.md to match documentation generation standards for landing pages.
  • Updated link in README.md to point to newly named index.md

[3.0.0-exp.4] - 2023-06-21

Features

  • Added EditorAnalytics to track internally which features are most used.

Bug Fixes

  • Fixed the Samples Assembly Definitions compile errors.

Changed

  • Updated AppCollector YAML file to reflect latest info.
  • We've removed the USD logo in a few places until we have a formal agreement in place to use it.

[3.0.0-exp.3] - 2023-06-20

Features

  • The USD Recorder now has an option to export transform overrides.

Bug Fixes

  • "Export Transform Override" now properly exports modified transforms only.
  • Fixed a bug where importing materials exported from USD version >= 21.11 would fail.
  • Fixed loading of meshes with arbitrary primvars.
  • Fixed regression in animated mesh properties.
  • Fixed timeout when importing complex meshes.
  • Fixed a bug on export where SkelRoot and Skeleton Prim were missing class identifiers.
  • Fixed 'ExportSelectedWithChildren' on Mac.
  • Fixed texture mapping for exported meshes.
  • Fixed a bug causing PointInstances to be duplicated.
  • Fixed regression in JointsMatch().
  • Fixed scene not being marked dirty after changing load payload flag.
  • Fixed exported Prims not having a type and fixed export for objects with same name.
  • Fixed a bug causing an ApplicationException "all sample times in times and baseTime must either all be numeric or all be default" to be thrown when refreshing a PointInstancer.
  • Fixed an import bug causing instanced primitives not to be sanitized to fit Unity formats, including converting basis, triangulating and unwinding meshes, and unrolling primvars.

Changed

  • GC allocs reduced by half for Scene.GetAttributeAtPath and Scene.GetRelationshipAtPath.
  • Disabled plugins on unsupported platforms.
  • Optimized triangulation to reduce the chance of a "Timed out while waiting for thread" error on importing a complex mesh.
  • Optimized PointInstance importing.

[3.0.0-exp.2] - 2021-09-29

Features

  • All interpolation types are now properly supported for Mesh standard attributes (normals, tangents, uvs, colors).

Bug Fixes

  • Fixed the import of facevarying UVs which showed seams on Meshes.
  • Fixed an import bug causing abstract primitives to be loaded as Game Objects.
  • Fixed the broken Alembic Import.
  • Fixed a crash caused by writing to an invalid USD primitive.

[3.0.0-exp.1] - 2021-06-15

Features

  • New Import/Export API. See the ImportHelpers and ExportHelpers class (#237).
  • Added Integration with Recorder (compatible with Recorder 2.2.0 or newer) (#243).

Changed

  • Linux support temporarily disabled (#255).
  • USD.NET API is now in the package (#249).
  • USD.NET.Unity API is now in the package (#240).
  • Building USD.NET can now be done with a standalone Mono (#241).
  • Building the bindings is now done through CMake on all platforms. See BUILDING.md (#235).

Bug Fixes

  • Fixed hardcoded package name in InitUSD and BuildPostProcessor (#236).
  • Fixed a BuildPostProcess bug caused by permissions issues in OSX (#245).
  • Fixed an IL2CPP build bug caused by the inclusion of USD codegen directory (#245).
  • Fixed UsdAsset not properly refreshing the asset within the Prefab stage (#246).

[2.0.0-exp.1] - 2020-12-21

Features

  • Updated USD version to v20.08
  • Set material name in Unity to match the material name in the USD file on import (#174).
  • Shader exporter: added PBR export support to standard shader (#191, #206).
  • Shader exporter: added support for in-memory and render texture export (#125).
  • Shader exporter: added support for texture wrap modes (#125).
  • Added USDZ export from recorder clip.
  • Added Scope import as XForm (#154).

Bug Fixes

  • Fixed a crash happening when calling Scene.Read on non existing prims (#158).
  • Fixed an inability to refresh layers in Editor Mode (#155).
  • Fixed USDPayload's "Is Loaded" field in the inspector staying at false even when the payload has been loaded.
  • Fixed Transform Overrides export extension (USDU-124)
  • Fixed UsdAsset not saving changes made in the inspector (simple view).
  • Fixed redundant Timesamples created every frame for every prims at export.
  • Fixed shader import for emissive color & light baking.
  • Fixed wrong texture paths when exporting from packages (#125).
  • Fixed prefabs being reset when entering Play mode (#101).
  • Fixed export framerate to frames (60FPS) for more stability and improved compatibility with ArQuickLook (#170)

Special thanks to Felix Herbst for his awesome contributions on the materials import/export and USDZ exporters.

[1.0.3-preview.2] - 2020-04-24

Changed

  • Fix regression where the default usd root was ignored, creating broken hierarchies of game objects

[1.0.3-preview.1] - 2020-04-01

Changed

  • Fix the "Slow and safe as FBX" loading mode to perform the basis change as the FBX importer (#129)

[1.0.2-preview.1] - 2019-11-06

Added

  • Option to handle basis conversion "as FBX" (#129)
  • Support for "Sphere" schema (#128)

Changed

  • Fix the "Decompose" function to handle matrices with very small determinant (#130, #142)
  • Allow exporting transparency from Standard shader (#131)
  • Fix the "ImportMesh" sample to works in edit mode (#128)
  • Handle skinned primitive that inherits skeleton data (joint indices and weight) from parent prim but don't define those themselves (#128)

[1.0.1-preview.1] - 2019-06-30

Changes

New feature :

  • Linux support

Bug fixes :

  • NullReferenceException on USD export (#67)
  • Path of .usd file does not match textures in the archive (#88)
  • Build error when sample is imported
  • Timeline: Playback sometimes spews errors (#93)
  • Skeleton bindings below the root are not discovered (#92)
  • Normals update after opening standard shader (#91)
  • UsdSkel export fails when rig root is the model root (#89)
  • VariantSets on the root UsdAsset results in errors (#77)
  • Bones do not match bindpose (#98)
  • Standard shader "pops" when opening the inspector (#102)
  • UsdIo: Do not recurse on null objects (#118)

[1.0.0-preview.4] - 2019-03-15

Changes

  • Update readme images

[1.0.0-preview.3] - 2019-03-15

Changes

  • CI integration
  • Samples Fixes

[1.0.0-preview.1] - 2019-02-20

Changes

  • Initial creation of the package