Changelog

All notable changes to this package will be documented in this file.

The format is based on Keep a Changelog and this project adheres to Semantic Versioning.

[1.0.0-pre.1] - 2023-12-11

Changed

  • Updated unityRelease.
  • Final round of documentation fixes.

[0.5.6] - 2023-12-08

Added

  • Api docs landing page.

Changed

  • Changed message printed in example script.
  • Further code signing update to all Windows DLLs.

[0.5.5] - 2023-12-07

Added

  • New top level docs page

Changed

  • Updated all Windows DLLs with their code signed equivalents.

[0.5.4] - 2023-11-09

Added

  • UsdTransform2d shader sample to support uv transforms in UsdPreviewSurface.
  • Add sourceColorSpace token to UsdUVTexture sample.

[0.5.3] - 2023-10-20

Added

  • Support for MetersPerUnit scene metadata.
  • Third Party Notices file.
  • .buginfo file for ownership tracking.

[0.5.2] - 2023-07-21

Added

  • Serialization API support for arbitrary PrimVars

Fixed

  • Standardized code formatting
  • Serialization API support for exported skeletal animation having the wrong Prim types
  • Serialization API support for bug where typeless Prims are created when exporting child objects
  • Serialization API support for streaming of animated mesh properties
  • Updated AppCollector YAML file to reflect latest info.
  • Fixed export for Prefabs that aren't instantiated in a Unity scene.
  • Fixed default Primvar interpolation mode.
  • Fixed a bug where importing materials exported from USD version >= 21.11 would fail.
  • 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.

[0.5.1] - 2023-06-28

Added

  • Gf gamma, homogenous and math function bindings

Fixed

  • Exported Prims not having a type
  • 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.

[0.5.0] - 2023-03-21

Added

  • Alembic file format support
  • TfCallContext, TfDiagnosticBase, TfDiagnosticMgr, TfEnum, TfError, TfStatus and TfWarning bindings
  • SdfVariantSpec, SdfVariantSetSpec and SdfFileFormat bindings
  • UsdLux and UsdVol tokens
  • SdfLayer/Handle typemaps for conversion/interop
  • UsdGeomXformCommonAPI bindings
  • UsdStage/WeakPtr typemaps for conversion/interop
  • SdfAttributeSpecHandle.New overload to allow optional use of SdfVariability
  • Implicit operator to convert SdfPath <-> string

Changed

  • Replace DiagnosticHandler with DiagnosticDelegate that correctly handles managed exceptions thrown from unmanaged code
  • C# interface now matches the underlying USD modularisation
  • VtValueTo... converters now use out parameters
  • Replace C# runtime constants with compiler constants
  • Replace various SWIG type wrapper classes with out parameters and standard containers
  • Convert SdfPath.GetEmptyPath to emptyPath property
  • Convert SdfLayer/Handle.Get/SetIdentifier to identifier property
  • Convert SdfPropertySpec/Handle.Get/SetDefaultValue to default property

Removed

  • Js module in favour of .NET API's for JSON serialization
  • Ignore various functions with SWIG type wrapper classes in signature

Fixed

  • Object.GetHashCode returning hash of object's reference instead of object when hashable
  • C# inheritance not reflecting C++ inheritance structure

[0.4.0] - 2023-02-13

Added

  • GfVec3d reverse binding
  • GfDualQuath and GfQuath bindings
  • GfFindClosestPoints for GfLine, GfLineSeg and GfRay
  • GfMatrix4f rotation matrix and translation vector constructor
  • GfMatrix4f RemoveScaleShear and GetArray methods
  • JsWriter bindings
  • VtArray equality operators
  • UsdPrimTypeInfo bindings
  • UsdStageCache.Id typemaps

Changed

  • Renamed UsdCs plugin on MacOS to libUsdCs.bundle
  • Updated SWIG to 4.1.1
  • UsdCollectionAPI now uses std_set
  • UsdClipsAPI.GetInterpolateMissingClipValues and UsdGeomXformCache.ComputeRelativeTransform now use out arguments instead of pointers

[0.3.0] - 2023-01-30

Changed

  • Updated USD to v23.02

[0.2.0] - 2023-01-24

Added

  • UsdZipFile functionality

[0.1.0] - 2023-01-18

This is the first release of Unity Package com.unity.usd.core.

Initial release of Universal Scene Description C++ libraries, the corresponding C# bindings and associated scaffold

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